From 528f727279ae840db8a06c94f5e82cdaeb00da6f Mon Sep 17 00:00:00 2001 From: Jon Mason Date: Fri, 10 Dec 2010 14:02:56 +0000 Subject: [PATCH] vxge: code cleanup and reorganization Move function locations to remove the need for internal declarations and other misc clean-ups. Signed-off-by: Jon Mason Signed-off-by: Arpit Patel Signed-off-by: David S. Miller --- drivers/net/vxge/vxge-config.c | 3457 +++++++++++++++---------------- drivers/net/vxge/vxge-config.h | 34 +- drivers/net/vxge/vxge-main.c | 474 ++--- drivers/net/vxge/vxge-main.h | 8 +- drivers/net/vxge/vxge-traffic.c | 1451 +++++++------ drivers/net/vxge/vxge-traffic.h | 21 +- 6 files changed, 2639 insertions(+), 2806 deletions(-) diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c index a0241fe72d8b..1169aa387cab 100644 --- a/drivers/net/vxge/vxge-config.c +++ b/drivers/net/vxge/vxge-config.c @@ -21,100 +21,15 @@ #include "vxge-config.h" #include "vxge-main.h" -static enum vxge_hw_status -__vxge_hw_fifo_delete( - struct __vxge_hw_vpath_handle *vpath_handle); - -static struct __vxge_hw_blockpool_entry * -__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *hldev, - u32 size); - -static void -__vxge_hw_blockpool_block_free(struct __vxge_hw_device *hldev, - struct __vxge_hw_blockpool_entry *entry); - -static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, - void *block_addr, - u32 length, - struct pci_dev *dma_h, - struct pci_dev *acc_handle); - -static enum vxge_hw_status -__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev, - struct __vxge_hw_blockpool *blockpool, - u32 pool_size, - u32 pool_max); - -static void -__vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool); - -static void * -__vxge_hw_blockpool_malloc(struct __vxge_hw_device *hldev, - u32 size, - struct vxge_hw_mempool_dma *dma_object); - -static void -__vxge_hw_blockpool_free(struct __vxge_hw_device *hldev, - void *memblock, - u32 size, - struct vxge_hw_mempool_dma *dma_object); - -static void -__vxge_hw_channel_free( - struct __vxge_hw_channel *channel); - -static enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp); - -static enum vxge_hw_status -__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config); - -static enum vxge_hw_status -__vxge_hw_device_register_poll( - void __iomem *reg, - u64 mask, u32 max_millis); - -static inline enum vxge_hw_status -__vxge_hw_pio_mem_write64(u64 val64, void __iomem *addr, - u64 mask, u32 max_millis) -{ - __vxge_hw_pio_mem_write32_lower((u32)vxge_bVALn(val64, 32, 32), addr); - wmb(); - - __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), addr); - wmb(); - - return __vxge_hw_device_register_poll(addr, mask, max_millis); +#define VXGE_HW_VPATH_STATS_PIO_READ(offset) { \ + status = __vxge_hw_vpath_stats_access(vpath, \ + VXGE_HW_STATS_OP_READ, \ + offset, \ + &val64); \ + if (status != VXGE_HW_OK) \ + return status; \ } -static struct vxge_hw_mempool* -__vxge_hw_mempool_create(struct __vxge_hw_device *devh, u32 memblock_size, - u32 item_size, u32 private_size, u32 items_initial, - u32 items_max, struct vxge_hw_mempool_cbs *mp_callback, - void *userdata); - -static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool); - -static enum vxge_hw_status -__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath, - struct vxge_hw_vpath_stats_hw_info *hw_stats); - -static enum vxge_hw_status -vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vpath_handle); - -static enum vxge_hw_status -__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg); - -static void -__vxge_hw_vp_terminate(struct __vxge_hw_device *devh, u32 vp_id); - -static enum vxge_hw_status -__vxge_hw_vpath_xmac_tx_stats_get(struct __vxge_hw_virtualpath *vpath, - struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats); - -static enum vxge_hw_status -__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath, - struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats); - static void vxge_hw_vpath_set_zero_rx_frm_len(struct vxge_hw_vpath_reg __iomem *vp_reg) { @@ -124,8 +39,6 @@ vxge_hw_vpath_set_zero_rx_frm_len(struct vxge_hw_vpath_reg __iomem *vp_reg) val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); writeq(val64, &vp_reg->rxmac_vcfg0); val64 = readq(&vp_reg->rxmac_vcfg0); - - return; } /* @@ -197,6 +110,50 @@ void vxge_hw_device_wait_receive_idle(struct __vxge_hw_device *hldev) } } +/* + * __vxge_hw_device_register_poll + * Will poll certain register for specified amount of time. + * Will poll until masked bit is not cleared. + */ +static enum vxge_hw_status +__vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis) +{ + u64 val64; + u32 i = 0; + enum vxge_hw_status ret = VXGE_HW_FAIL; + + udelay(10); + + do { + val64 = readq(reg); + if (!(val64 & mask)) + return VXGE_HW_OK; + udelay(100); + } while (++i <= 9); + + i = 0; + do { + val64 = readq(reg); + if (!(val64 & mask)) + return VXGE_HW_OK; + mdelay(1); + } while (++i <= max_millis); + + return ret; +} + +static inline enum vxge_hw_status +__vxge_hw_pio_mem_write64(u64 val64, void __iomem *addr, + u64 mask, u32 max_millis) +{ + __vxge_hw_pio_mem_write32_lower((u32)vxge_bVALn(val64, 32, 32), addr); + wmb(); + __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), addr); + wmb(); + + return __vxge_hw_device_register_poll(addr, mask, max_millis); +} + static enum vxge_hw_status vxge_hw_vpath_fw_api(struct __vxge_hw_virtualpath *vpath, u32 action, u32 fw_memo, u32 offset, u64 *data0, u64 *data1, @@ -445,77 +402,6 @@ vxge_hw_vpath_eprom_img_ver_get(struct __vxge_hw_device *hldev, return status; } -/* - * __vxge_hw_channel_allocate - Allocate memory for channel - * This function allocates required memory for the channel and various arrays - * in the channel - */ -static struct __vxge_hw_channel * -__vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph, - enum __vxge_hw_channel_type type, - u32 length, u32 per_dtr_space, void *userdata) -{ - struct __vxge_hw_channel *channel; - struct __vxge_hw_device *hldev; - int size = 0; - u32 vp_id; - - hldev = vph->vpath->hldev; - vp_id = vph->vpath->vp_id; - - switch (type) { - case VXGE_HW_CHANNEL_TYPE_FIFO: - size = sizeof(struct __vxge_hw_fifo); - break; - case VXGE_HW_CHANNEL_TYPE_RING: - size = sizeof(struct __vxge_hw_ring); - break; - default: - break; - } - - channel = kzalloc(size, GFP_KERNEL); - if (channel == NULL) - goto exit0; - INIT_LIST_HEAD(&channel->item); - - channel->common_reg = hldev->common_reg; - channel->first_vp_id = hldev->first_vp_id; - channel->type = type; - channel->devh = hldev; - channel->vph = vph; - channel->userdata = userdata; - channel->per_dtr_space = per_dtr_space; - channel->length = length; - channel->vp_id = vp_id; - - channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); - if (channel->work_arr == NULL) - goto exit1; - - channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); - if (channel->free_arr == NULL) - goto exit1; - channel->free_ptr = length; - - channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); - if (channel->reserve_arr == NULL) - goto exit1; - channel->reserve_ptr = length; - channel->reserve_top = 0; - - channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); - if (channel->orig_arr == NULL) - goto exit1; - - return channel; -exit1: - __vxge_hw_channel_free(channel); - -exit0: - return NULL; -} - /* * __vxge_hw_channel_free - Free memory allocated for channel * This function deallocates memory from the channel and various arrays @@ -609,38 +495,6 @@ static void __vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev) pci_save_state(hldev->pdev); } -/* - * __vxge_hw_device_register_poll - * Will poll certain register for specified amount of time. - * Will poll until masked bit is not cleared. - */ -static enum vxge_hw_status -__vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis) -{ - u64 val64; - u32 i = 0; - enum vxge_hw_status ret = VXGE_HW_FAIL; - - udelay(10); - - do { - val64 = readq(reg); - if (!(val64 & mask)) - return VXGE_HW_OK; - udelay(100); - } while (++i <= 9); - - i = 0; - do { - val64 = readq(reg); - if (!(val64 & mask)) - return VXGE_HW_OK; - mdelay(1); - } while (++i <= max_millis); - - return ret; -} - /* __vxge_hw_device_vpath_reset_in_prog_check - Check if vpath reset * in progress * This routine checks the vpath reset in progress register is turned zero @@ -655,6 +509,60 @@ __vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog) return status; } +/* + * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion. + * Set the swapper bits appropriately for the lagacy section. + */ +static enum vxge_hw_status +__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg) +{ + u64 val64; + enum vxge_hw_status status = VXGE_HW_OK; + + val64 = readq(&legacy_reg->toc_swapper_fb); + + wmb(); + + switch (val64) { + case VXGE_HW_SWAPPER_INITIAL_VALUE: + return status; + + case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED: + writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, + &legacy_reg->pifm_rd_swap_en); + writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, + &legacy_reg->pifm_rd_flip_en); + writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, + &legacy_reg->pifm_wr_swap_en); + writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, + &legacy_reg->pifm_wr_flip_en); + break; + + case VXGE_HW_SWAPPER_BYTE_SWAPPED: + writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, + &legacy_reg->pifm_rd_swap_en); + writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, + &legacy_reg->pifm_wr_swap_en); + break; + + case VXGE_HW_SWAPPER_BIT_FLIPPED: + writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, + &legacy_reg->pifm_rd_flip_en); + writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, + &legacy_reg->pifm_wr_flip_en); + break; + } + + wmb(); + + val64 = readq(&legacy_reg->toc_swapper_fb); + + if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE) + status = VXGE_HW_ERR_SWAPPER_CTRL; + + return status; +} + /* * __vxge_hw_device_toc_get * This routine sets the swapper and reads the toc pointer and returns the @@ -1132,7 +1040,6 @@ vxge_hw_device_hw_info_get(void __iomem *bar0, (u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64); for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { - if (!((hw_info->vpath_mask) & vxge_mBIT(i))) continue; @@ -1196,9 +1103,221 @@ exit: } /* - * vxge_hw_device_initialize - Initialize Titan device. - * Initialize Titan device. Note that all the arguments of this public API - * are 'IN', including @hldev. Driver cooperates with + * __vxge_hw_blockpool_destroy - Deallocates the block pool + */ +static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool) +{ + struct __vxge_hw_device *hldev; + struct list_head *p, *n; + u16 ret; + + if (blockpool == NULL) { + ret = 1; + goto exit; + } + + hldev = blockpool->hldev; + + list_for_each_safe(p, n, &blockpool->free_block_list) { + pci_unmap_single(hldev->pdev, + ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, + ((struct __vxge_hw_blockpool_entry *)p)->length, + PCI_DMA_BIDIRECTIONAL); + + vxge_os_dma_free(hldev->pdev, + ((struct __vxge_hw_blockpool_entry *)p)->memblock, + &((struct __vxge_hw_blockpool_entry *)p)->acc_handle); + + list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); + kfree(p); + blockpool->pool_size--; + } + + list_for_each_safe(p, n, &blockpool->free_entry_list) { + list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); + kfree((void *)p); + } + ret = 0; +exit: + return; +} + +/* + * __vxge_hw_blockpool_create - Create block pool + */ +static enum vxge_hw_status +__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev, + struct __vxge_hw_blockpool *blockpool, + u32 pool_size, + u32 pool_max) +{ + u32 i; + struct __vxge_hw_blockpool_entry *entry = NULL; + void *memblock; + dma_addr_t dma_addr; + struct pci_dev *dma_handle; + struct pci_dev *acc_handle; + enum vxge_hw_status status = VXGE_HW_OK; + + if (blockpool == NULL) { + status = VXGE_HW_FAIL; + goto blockpool_create_exit; + } + + blockpool->hldev = hldev; + blockpool->block_size = VXGE_HW_BLOCK_SIZE; + blockpool->pool_size = 0; + blockpool->pool_max = pool_max; + blockpool->req_out = 0; + + INIT_LIST_HEAD(&blockpool->free_block_list); + INIT_LIST_HEAD(&blockpool->free_entry_list); + + for (i = 0; i < pool_size + pool_max; i++) { + entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry), + GFP_KERNEL); + if (entry == NULL) { + __vxge_hw_blockpool_destroy(blockpool); + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto blockpool_create_exit; + } + list_add(&entry->item, &blockpool->free_entry_list); + } + + for (i = 0; i < pool_size; i++) { + memblock = vxge_os_dma_malloc( + hldev->pdev, + VXGE_HW_BLOCK_SIZE, + &dma_handle, + &acc_handle); + if (memblock == NULL) { + __vxge_hw_blockpool_destroy(blockpool); + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto blockpool_create_exit; + } + + dma_addr = pci_map_single(hldev->pdev, memblock, + VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL); + if (unlikely(pci_dma_mapping_error(hldev->pdev, + dma_addr))) { + vxge_os_dma_free(hldev->pdev, memblock, &acc_handle); + __vxge_hw_blockpool_destroy(blockpool); + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto blockpool_create_exit; + } + + if (!list_empty(&blockpool->free_entry_list)) + entry = (struct __vxge_hw_blockpool_entry *) + list_first_entry(&blockpool->free_entry_list, + struct __vxge_hw_blockpool_entry, + item); + + if (entry == NULL) + entry = + kzalloc(sizeof(struct __vxge_hw_blockpool_entry), + GFP_KERNEL); + if (entry != NULL) { + list_del(&entry->item); + entry->length = VXGE_HW_BLOCK_SIZE; + entry->memblock = memblock; + entry->dma_addr = dma_addr; + entry->acc_handle = acc_handle; + entry->dma_handle = dma_handle; + list_add(&entry->item, + &blockpool->free_block_list); + blockpool->pool_size++; + } else { + __vxge_hw_blockpool_destroy(blockpool); + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto blockpool_create_exit; + } + } + +blockpool_create_exit: + return status; +} + +/* + * __vxge_hw_device_fifo_config_check - Check fifo configuration. + * Check the fifo configuration + */ +static enum vxge_hw_status +__vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config) +{ + if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) || + (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS)) + return VXGE_HW_BADCFG_FIFO_BLOCKS; + + return VXGE_HW_OK; +} + +/* + * __vxge_hw_device_vpath_config_check - Check vpath configuration. + * Check the vpath configuration + */ +static enum vxge_hw_status +__vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config) +{ + enum vxge_hw_status status; + + if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) || + (vp_config->min_bandwidth > VXGE_HW_VPATH_BANDWIDTH_MAX)) + return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH; + + status = __vxge_hw_device_fifo_config_check(&vp_config->fifo); + if (status != VXGE_HW_OK) + return status; + + if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) && + ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) || + (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU))) + return VXGE_HW_BADCFG_VPATH_MTU; + + if ((vp_config->rpa_strip_vlan_tag != + VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) && + (vp_config->rpa_strip_vlan_tag != + VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) && + (vp_config->rpa_strip_vlan_tag != + VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE)) + return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG; + + return VXGE_HW_OK; +} + +/* + * __vxge_hw_device_config_check - Check device configuration. + * Check the device configuration + */ +static enum vxge_hw_status +__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config) +{ + u32 i; + enum vxge_hw_status status; + + if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) && + (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) && + (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) && + (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF)) + return VXGE_HW_BADCFG_INTR_MODE; + + if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) && + (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE)) + return VXGE_HW_BADCFG_RTS_MAC_EN; + + for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { + status = __vxge_hw_device_vpath_config_check( + &new_config->vp_config[i]); + if (status != VXGE_HW_OK) + return status; + } + + return VXGE_HW_OK; +} + +/* + * vxge_hw_device_initialize - Initialize Titan device. + * Initialize Titan device. Note that all the arguments of this public API + * are 'IN', including @hldev. Driver cooperates with * OS to find new Titan device, locate its PCI and memory spaces. * * When done, the driver allocates sizeof(struct __vxge_hw_device) bytes for HW @@ -1303,40 +1422,276 @@ vxge_hw_device_terminate(struct __vxge_hw_device *hldev) } /* - * vxge_hw_device_stats_get - Get the device hw statistics. - * Returns the vpath h/w stats for the device. + * __vxge_hw_vpath_stats_access - Get the statistics from the given location + * and offset and perform an operation */ -enum vxge_hw_status -vxge_hw_device_stats_get(struct __vxge_hw_device *hldev, - struct vxge_hw_device_stats_hw_info *hw_stats) +static enum vxge_hw_status +__vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath, + u32 operation, u32 offset, u64 *stat) { - u32 i; + u64 val64; enum vxge_hw_status status = VXGE_HW_OK; + struct vxge_hw_vpath_reg __iomem *vp_reg; - for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { - if (!(hldev->vpaths_deployed & vxge_mBIT(i)) || - (hldev->virtual_paths[i].vp_open == - VXGE_HW_VP_NOT_OPEN)) - continue; + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { + status = VXGE_HW_ERR_VPATH_NOT_OPEN; + goto vpath_stats_access_exit; + } - memcpy(hldev->virtual_paths[i].hw_stats_sav, - hldev->virtual_paths[i].hw_stats, - sizeof(struct vxge_hw_vpath_stats_hw_info)); + vp_reg = vpath->vp_reg; - status = __vxge_hw_vpath_stats_get( - &hldev->virtual_paths[i], - hldev->virtual_paths[i].hw_stats); - } + val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) | + VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE | + VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset); - memcpy(hw_stats, &hldev->stats.hw_dev_info_stats, - sizeof(struct vxge_hw_device_stats_hw_info)); + status = __vxge_hw_pio_mem_write64(val64, + &vp_reg->xmac_stats_access_cmd, + VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE, + vpath->hldev->config.device_poll_millis); + if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ)) + *stat = readq(&vp_reg->xmac_stats_access_data); + else + *stat = 0; +vpath_stats_access_exit: return status; } /* - * vxge_hw_driver_stats_get - Get the device sw statistics. - * Returns the vpath s/w stats for the device. + * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath + */ +static enum vxge_hw_status +__vxge_hw_vpath_xmac_tx_stats_get(struct __vxge_hw_virtualpath *vpath, + struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats) +{ + u64 *val64; + int i; + u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET; + enum vxge_hw_status status = VXGE_HW_OK; + + val64 = (u64 *)vpath_tx_stats; + + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { + status = VXGE_HW_ERR_VPATH_NOT_OPEN; + goto exit; + } + + for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) { + status = __vxge_hw_vpath_stats_access(vpath, + VXGE_HW_STATS_OP_READ, + offset, val64); + if (status != VXGE_HW_OK) + goto exit; + offset++; + val64++; + } +exit: + return status; +} + +/* + * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath + */ +static enum vxge_hw_status +__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath, + struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats) +{ + u64 *val64; + enum vxge_hw_status status = VXGE_HW_OK; + int i; + u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET; + val64 = (u64 *) vpath_rx_stats; + + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { + status = VXGE_HW_ERR_VPATH_NOT_OPEN; + goto exit; + } + for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) { + status = __vxge_hw_vpath_stats_access(vpath, + VXGE_HW_STATS_OP_READ, + offset >> 3, val64); + if (status != VXGE_HW_OK) + goto exit; + + offset += 8; + val64++; + } +exit: + return status; +} + +/* + * __vxge_hw_vpath_stats_get - Get the vpath hw statistics. + */ +static enum vxge_hw_status +__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath, + struct vxge_hw_vpath_stats_hw_info *hw_stats) +{ + u64 val64; + enum vxge_hw_status status = VXGE_HW_OK; + struct vxge_hw_vpath_reg __iomem *vp_reg; + + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { + status = VXGE_HW_ERR_VPATH_NOT_OPEN; + goto exit; + } + vp_reg = vpath->vp_reg; + + val64 = readq(&vp_reg->vpath_debug_stats0); + hw_stats->ini_num_mwr_sent = + (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64); + + val64 = readq(&vp_reg->vpath_debug_stats1); + hw_stats->ini_num_mrd_sent = + (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64); + + val64 = readq(&vp_reg->vpath_debug_stats2); + hw_stats->ini_num_cpl_rcvd = + (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64); + + val64 = readq(&vp_reg->vpath_debug_stats3); + hw_stats->ini_num_mwr_byte_sent = + VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64); + + val64 = readq(&vp_reg->vpath_debug_stats4); + hw_stats->ini_num_cpl_byte_rcvd = + VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64); + + val64 = readq(&vp_reg->vpath_debug_stats5); + hw_stats->wrcrdtarb_xoff = + (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64); + + val64 = readq(&vp_reg->vpath_debug_stats6); + hw_stats->rdcrdtarb_xoff = + (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64); + + val64 = readq(&vp_reg->vpath_genstats_count01); + hw_stats->vpath_genstats_count0 = + (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0( + val64); + + val64 = readq(&vp_reg->vpath_genstats_count01); + hw_stats->vpath_genstats_count1 = + (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1( + val64); + + val64 = readq(&vp_reg->vpath_genstats_count23); + hw_stats->vpath_genstats_count2 = + (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2( + val64); + + val64 = readq(&vp_reg->vpath_genstats_count01); + hw_stats->vpath_genstats_count3 = + (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3( + val64); + + val64 = readq(&vp_reg->vpath_genstats_count4); + hw_stats->vpath_genstats_count4 = + (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4( + val64); + + val64 = readq(&vp_reg->vpath_genstats_count5); + hw_stats->vpath_genstats_count5 = + (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5( + val64); + + status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats); + if (status != VXGE_HW_OK) + goto exit; + + status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats); + if (status != VXGE_HW_OK) + goto exit; + + VXGE_HW_VPATH_STATS_PIO_READ( + VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET); + + hw_stats->prog_event_vnum0 = + (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64); + + hw_stats->prog_event_vnum1 = + (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64); + + VXGE_HW_VPATH_STATS_PIO_READ( + VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET); + + hw_stats->prog_event_vnum2 = + (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64); + + hw_stats->prog_event_vnum3 = + (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64); + + val64 = readq(&vp_reg->rx_multi_cast_stats); + hw_stats->rx_multi_cast_frame_discard = + (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64); + + val64 = readq(&vp_reg->rx_frm_transferred); + hw_stats->rx_frm_transferred = + (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64); + + val64 = readq(&vp_reg->rxd_returned); + hw_stats->rxd_returned = + (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64); + + val64 = readq(&vp_reg->dbg_stats_rx_mpa); + hw_stats->rx_mpa_len_fail_frms = + (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64); + hw_stats->rx_mpa_mrk_fail_frms = + (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64); + hw_stats->rx_mpa_crc_fail_frms = + (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64); + + val64 = readq(&vp_reg->dbg_stats_rx_fau); + hw_stats->rx_permitted_frms = + (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64); + hw_stats->rx_vp_reset_discarded_frms = + (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64); + hw_stats->rx_wol_frms = + (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64); + + val64 = readq(&vp_reg->tx_vp_reset_discarded_frms); + hw_stats->tx_vp_reset_discarded_frms = + (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS( + val64); +exit: + return status; +} + +/* + * vxge_hw_device_stats_get - Get the device hw statistics. + * Returns the vpath h/w stats for the device. + */ +enum vxge_hw_status +vxge_hw_device_stats_get(struct __vxge_hw_device *hldev, + struct vxge_hw_device_stats_hw_info *hw_stats) +{ + u32 i; + enum vxge_hw_status status = VXGE_HW_OK; + + for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { + if (!(hldev->vpaths_deployed & vxge_mBIT(i)) || + (hldev->virtual_paths[i].vp_open == + VXGE_HW_VP_NOT_OPEN)) + continue; + + memcpy(hldev->virtual_paths[i].hw_stats_sav, + hldev->virtual_paths[i].hw_stats, + sizeof(struct vxge_hw_vpath_stats_hw_info)); + + status = __vxge_hw_vpath_stats_get( + &hldev->virtual_paths[i], + hldev->virtual_paths[i].hw_stats); + } + + memcpy(hw_stats, &hldev->stats.hw_dev_info_stats, + sizeof(struct vxge_hw_device_stats_hw_info)); + + return status; +} + +/* + * vxge_hw_driver_stats_get - Get the device sw statistics. + * Returns the vpath s/w stats for the device. */ enum vxge_hw_status vxge_hw_driver_stats_get( struct __vxge_hw_device *hldev, @@ -1468,7 +1823,6 @@ vxge_hw_device_xmac_stats_get(struct __vxge_hw_device *hldev, status = vxge_hw_device_xmac_aggr_stats_get(hldev, 0, &xmac_stats->aggr_stats[0]); - if (status != VXGE_HW_OK) goto exit; @@ -1843,206 +2197,376 @@ exit: } /* - * __vxge_hw_ring_create - Create a Ring - * This function creates Ring and initializes it. + * __vxge_hw_channel_allocate - Allocate memory for channel + * This function allocates required memory for the channel and various arrays + * in the channel */ -static enum vxge_hw_status -__vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp, - struct vxge_hw_ring_attr *attr) +static struct __vxge_hw_channel * +__vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph, + enum __vxge_hw_channel_type type, + u32 length, u32 per_dtr_space, + void *userdata) { - enum vxge_hw_status status = VXGE_HW_OK; - struct __vxge_hw_ring *ring; - u32 ring_length; - struct vxge_hw_ring_config *config; + struct __vxge_hw_channel *channel; struct __vxge_hw_device *hldev; + int size = 0; u32 vp_id; - struct vxge_hw_mempool_cbs ring_mp_callback; - if ((vp == NULL) || (attr == NULL)) { - status = VXGE_HW_FAIL; - goto exit; - } + hldev = vph->vpath->hldev; + vp_id = vph->vpath->vp_id; - hldev = vp->vpath->hldev; - vp_id = vp->vpath->vp_id; - - config = &hldev->config.vp_config[vp_id].ring; - - ring_length = config->ring_blocks * - vxge_hw_ring_rxds_per_block_get(config->buffer_mode); - - ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp, - VXGE_HW_CHANNEL_TYPE_RING, - ring_length, - attr->per_rxd_space, - attr->userdata); - - if (ring == NULL) { - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto exit; + switch (type) { + case VXGE_HW_CHANNEL_TYPE_FIFO: + size = sizeof(struct __vxge_hw_fifo); + break; + case VXGE_HW_CHANNEL_TYPE_RING: + size = sizeof(struct __vxge_hw_ring); + break; + default: + break; } - vp->vpath->ringh = ring; - ring->vp_id = vp_id; - ring->vp_reg = vp->vpath->vp_reg; - ring->common_reg = hldev->common_reg; - ring->stats = &vp->vpath->sw_stats->ring_stats; - ring->config = config; - ring->callback = attr->callback; - ring->rxd_init = attr->rxd_init; - ring->rxd_term = attr->rxd_term; - ring->buffer_mode = config->buffer_mode; - ring->rxds_limit = config->rxds_limit; - - ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode); - ring->rxd_priv_size = - sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space; - ring->per_rxd_space = attr->per_rxd_space; + channel = kzalloc(size, GFP_KERNEL); + if (channel == NULL) + goto exit0; + INIT_LIST_HEAD(&channel->item); - ring->rxd_priv_size = - ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) / - VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE; + channel->common_reg = hldev->common_reg; + channel->first_vp_id = hldev->first_vp_id; + channel->type = type; + channel->devh = hldev; + channel->vph = vph; + channel->userdata = userdata; + channel->per_dtr_space = per_dtr_space; + channel->length = length; + channel->vp_id = vp_id; - /* how many RxDs can fit into one block. Depends on configured - * buffer_mode. */ - ring->rxds_per_block = - vxge_hw_ring_rxds_per_block_get(config->buffer_mode); + channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); + if (channel->work_arr == NULL) + goto exit1; - /* calculate actual RxD block private size */ - ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block; - ring_mp_callback.item_func_alloc = __vxge_hw_ring_mempool_item_alloc; - ring->mempool = __vxge_hw_mempool_create(hldev, - VXGE_HW_BLOCK_SIZE, - VXGE_HW_BLOCK_SIZE, - ring->rxdblock_priv_size, - ring->config->ring_blocks, - ring->config->ring_blocks, - &ring_mp_callback, - ring); + channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); + if (channel->free_arr == NULL) + goto exit1; + channel->free_ptr = length; - if (ring->mempool == NULL) { - __vxge_hw_ring_delete(vp); - return VXGE_HW_ERR_OUT_OF_MEMORY; - } + channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); + if (channel->reserve_arr == NULL) + goto exit1; + channel->reserve_ptr = length; + channel->reserve_top = 0; - status = __vxge_hw_channel_initialize(&ring->channel); - if (status != VXGE_HW_OK) { - __vxge_hw_ring_delete(vp); - goto exit; - } + channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL); + if (channel->orig_arr == NULL) + goto exit1; - /* Note: - * Specifying rxd_init callback means two things: - * 1) rxds need to be initialized by driver at channel-open time; - * 2) rxds need to be posted at channel-open time - * (that's what the initial_replenish() below does) - * Currently we don't have a case when the 1) is done without the 2). - */ - if (ring->rxd_init) { - status = vxge_hw_ring_replenish(ring); - if (status != VXGE_HW_OK) { - __vxge_hw_ring_delete(vp); - goto exit; - } - } + return channel; +exit1: + __vxge_hw_channel_free(channel); - /* initial replenish will increment the counter in its post() routine, - * we have to reset it */ - ring->stats->common_stats.usage_cnt = 0; -exit: - return status; +exit0: + return NULL; } /* - * __vxge_hw_ring_abort - Returns the RxD - * This function terminates the RxDs of ring + * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async + * Adds a block to block pool */ -static enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring) +static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, + void *block_addr, + u32 length, + struct pci_dev *dma_h, + struct pci_dev *acc_handle) { - void *rxdh; - struct __vxge_hw_channel *channel; + struct __vxge_hw_blockpool *blockpool; + struct __vxge_hw_blockpool_entry *entry = NULL; + dma_addr_t dma_addr; + enum vxge_hw_status status = VXGE_HW_OK; + u32 req_out; - channel = &ring->channel; + blockpool = &devh->block_pool; - for (;;) { - vxge_hw_channel_dtr_try_complete(channel, &rxdh); + if (block_addr == NULL) { + blockpool->req_out--; + status = VXGE_HW_FAIL; + goto exit; + } - if (rxdh == NULL) - break; + dma_addr = pci_map_single(devh->pdev, block_addr, length, + PCI_DMA_BIDIRECTIONAL); - vxge_hw_channel_dtr_complete(channel); + if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) { + vxge_os_dma_free(devh->pdev, block_addr, &acc_handle); + blockpool->req_out--; + status = VXGE_HW_FAIL; + goto exit; + } - if (ring->rxd_term) - ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED, - channel->userdata); + if (!list_empty(&blockpool->free_entry_list)) + entry = (struct __vxge_hw_blockpool_entry *) + list_first_entry(&blockpool->free_entry_list, + struct __vxge_hw_blockpool_entry, + item); - vxge_hw_channel_dtr_free(channel, rxdh); - } + if (entry == NULL) + entry = vmalloc(sizeof(struct __vxge_hw_blockpool_entry)); + else + list_del(&entry->item); - return VXGE_HW_OK; -} + if (entry != NULL) { + entry->length = length; + entry->memblock = block_addr; + entry->dma_addr = dma_addr; + entry->acc_handle = acc_handle; + entry->dma_handle = dma_h; + list_add(&entry->item, &blockpool->free_block_list); + blockpool->pool_size++; + status = VXGE_HW_OK; + } else + status = VXGE_HW_ERR_OUT_OF_MEMORY; -/* - * __vxge_hw_ring_reset - Resets the ring - * This function resets the ring during vpath reset operation - */ -static enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring) -{ - enum vxge_hw_status status = VXGE_HW_OK; - struct __vxge_hw_channel *channel; + blockpool->req_out--; - channel = &ring->channel; + req_out = blockpool->req_out; +exit: + return; +} - __vxge_hw_ring_abort(ring); +static inline void +vxge_os_dma_malloc_async(struct pci_dev *pdev, void *devh, unsigned long size) +{ + gfp_t flags; + void *vaddr; - status = __vxge_hw_channel_reset(channel); + if (in_interrupt()) + flags = GFP_ATOMIC | GFP_DMA; + else + flags = GFP_KERNEL | GFP_DMA; - if (status != VXGE_HW_OK) - goto exit; + vaddr = kmalloc((size), flags); - if (ring->rxd_init) { - status = vxge_hw_ring_replenish(ring); - if (status != VXGE_HW_OK) - goto exit; - } -exit: - return status; + vxge_hw_blockpool_block_add(devh, vaddr, size, pdev, pdev); } /* - * __vxge_hw_ring_delete - Removes the ring - * This function freeup the memory pool and removes the ring + * __vxge_hw_blockpool_blocks_add - Request additional blocks */ -static enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp) +static +void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool) { - struct __vxge_hw_ring *ring = vp->vpath->ringh; - - __vxge_hw_ring_abort(ring); - - if (ring->mempool) - __vxge_hw_mempool_destroy(ring->mempool); + u32 nreq = 0, i; - vp->vpath->ringh = NULL; - __vxge_hw_channel_free(&ring->channel); + if ((blockpool->pool_size + blockpool->req_out) < + VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) { + nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE; + blockpool->req_out += nreq; + } - return VXGE_HW_OK; + for (i = 0; i < nreq; i++) + vxge_os_dma_malloc_async( + ((struct __vxge_hw_device *)blockpool->hldev)->pdev, + blockpool->hldev, VXGE_HW_BLOCK_SIZE); } /* - * __vxge_hw_mempool_grow - * Will resize mempool up to %num_allocate value. + * __vxge_hw_blockpool_malloc - Allocate a memory block from pool + * Allocates a block of memory of given size, either from block pool + * or by calling vxge_os_dma_malloc() */ -static enum vxge_hw_status -__vxge_hw_mempool_grow(struct vxge_hw_mempool *mempool, u32 num_allocate, - u32 *num_allocated) +static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, + struct vxge_hw_mempool_dma *dma_object) { - u32 i, first_time = mempool->memblocks_allocated == 0 ? 1 : 0; - u32 n_items = mempool->items_per_memblock; - u32 start_block_idx = mempool->memblocks_allocated; - u32 end_block_idx = mempool->memblocks_allocated + num_allocate; + struct __vxge_hw_blockpool_entry *entry = NULL; + struct __vxge_hw_blockpool *blockpool; + void *memblock = NULL; enum vxge_hw_status status = VXGE_HW_OK; - *num_allocated = 0; + blockpool = &devh->block_pool; + + if (size != blockpool->block_size) { + + memblock = vxge_os_dma_malloc(devh->pdev, size, + &dma_object->handle, + &dma_object->acc_handle); + + if (memblock == NULL) { + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto exit; + } + + dma_object->addr = pci_map_single(devh->pdev, memblock, size, + PCI_DMA_BIDIRECTIONAL); + + if (unlikely(pci_dma_mapping_error(devh->pdev, + dma_object->addr))) { + vxge_os_dma_free(devh->pdev, memblock, + &dma_object->acc_handle); + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto exit; + } + + } else { + + if (!list_empty(&blockpool->free_block_list)) + entry = (struct __vxge_hw_blockpool_entry *) + list_first_entry(&blockpool->free_block_list, + struct __vxge_hw_blockpool_entry, + item); + + if (entry != NULL) { + list_del(&entry->item); + dma_object->addr = entry->dma_addr; + dma_object->handle = entry->dma_handle; + dma_object->acc_handle = entry->acc_handle; + memblock = entry->memblock; + + list_add(&entry->item, + &blockpool->free_entry_list); + blockpool->pool_size--; + } + + if (memblock != NULL) + __vxge_hw_blockpool_blocks_add(blockpool); + } +exit: + return memblock; +} + +/* + * __vxge_hw_blockpool_blocks_remove - Free additional blocks + */ +static void +__vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool) +{ + struct list_head *p, *n; + + list_for_each_safe(p, n, &blockpool->free_block_list) { + + if (blockpool->pool_size < blockpool->pool_max) + break; + + pci_unmap_single( + ((struct __vxge_hw_device *)blockpool->hldev)->pdev, + ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, + ((struct __vxge_hw_blockpool_entry *)p)->length, + PCI_DMA_BIDIRECTIONAL); + + vxge_os_dma_free( + ((struct __vxge_hw_device *)blockpool->hldev)->pdev, + ((struct __vxge_hw_blockpool_entry *)p)->memblock, + &((struct __vxge_hw_blockpool_entry *)p)->acc_handle); + + list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); + + list_add(p, &blockpool->free_entry_list); + + blockpool->pool_size--; + + } +} + +/* + * __vxge_hw_blockpool_free - Frees the memory allcoated with + * __vxge_hw_blockpool_malloc + */ +static void __vxge_hw_blockpool_free(struct __vxge_hw_device *devh, + void *memblock, u32 size, + struct vxge_hw_mempool_dma *dma_object) +{ + struct __vxge_hw_blockpool_entry *entry = NULL; + struct __vxge_hw_blockpool *blockpool; + enum vxge_hw_status status = VXGE_HW_OK; + + blockpool = &devh->block_pool; + + if (size != blockpool->block_size) { + pci_unmap_single(devh->pdev, dma_object->addr, size, + PCI_DMA_BIDIRECTIONAL); + vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle); + } else { + + if (!list_empty(&blockpool->free_entry_list)) + entry = (struct __vxge_hw_blockpool_entry *) + list_first_entry(&blockpool->free_entry_list, + struct __vxge_hw_blockpool_entry, + item); + + if (entry == NULL) + entry = vmalloc(sizeof( + struct __vxge_hw_blockpool_entry)); + else + list_del(&entry->item); + + if (entry != NULL) { + entry->length = size; + entry->memblock = memblock; + entry->dma_addr = dma_object->addr; + entry->acc_handle = dma_object->acc_handle; + entry->dma_handle = dma_object->handle; + list_add(&entry->item, + &blockpool->free_block_list); + blockpool->pool_size++; + status = VXGE_HW_OK; + } else + status = VXGE_HW_ERR_OUT_OF_MEMORY; + + if (status == VXGE_HW_OK) + __vxge_hw_blockpool_blocks_remove(blockpool); + } +} + +/* + * vxge_hw_mempool_destroy + */ +static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool) +{ + u32 i, j; + struct __vxge_hw_device *devh = mempool->devh; + + for (i = 0; i < mempool->memblocks_allocated; i++) { + struct vxge_hw_mempool_dma *dma_object; + + vxge_assert(mempool->memblocks_arr[i]); + vxge_assert(mempool->memblocks_dma_arr + i); + + dma_object = mempool->memblocks_dma_arr + i; + + for (j = 0; j < mempool->items_per_memblock; j++) { + u32 index = i * mempool->items_per_memblock + j; + + /* to skip last partially filled(if any) memblock */ + if (index >= mempool->items_current) + break; + } + + vfree(mempool->memblocks_priv_arr[i]); + + __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i], + mempool->memblock_size, dma_object); + } + + vfree(mempool->items_arr); + vfree(mempool->memblocks_dma_arr); + vfree(mempool->memblocks_priv_arr); + vfree(mempool->memblocks_arr); + vfree(mempool); +} + +/* + * __vxge_hw_mempool_grow + * Will resize mempool up to %num_allocate value. + */ +static enum vxge_hw_status +__vxge_hw_mempool_grow(struct vxge_hw_mempool *mempool, u32 num_allocate, + u32 *num_allocated) +{ + u32 i, first_time = mempool->memblocks_allocated == 0 ? 1 : 0; + u32 n_items = mempool->items_per_memblock; + u32 start_block_idx = mempool->memblocks_allocated; + u32 end_block_idx = mempool->memblocks_allocated + num_allocate; + enum vxge_hw_status status = VXGE_HW_OK; + + *num_allocated = 0; if (end_block_idx > mempool->memblocks_max) { status = VXGE_HW_ERR_OUT_OF_MEMORY; @@ -2118,16 +2642,15 @@ exit: * with size enough to hold %items_initial number of items. Memory is * DMA-able but client must map/unmap before interoperating with the device. */ -static struct vxge_hw_mempool* -__vxge_hw_mempool_create( - struct __vxge_hw_device *devh, - u32 memblock_size, - u32 item_size, - u32 items_priv_size, - u32 items_initial, - u32 items_max, - struct vxge_hw_mempool_cbs *mp_callback, - void *userdata) +static struct vxge_hw_mempool * +__vxge_hw_mempool_create(struct __vxge_hw_device *devh, + u32 memblock_size, + u32 item_size, + u32 items_priv_size, + u32 items_initial, + u32 items_max, + struct vxge_hw_mempool_cbs *mp_callback, + void *userdata) { enum vxge_hw_status status = VXGE_HW_OK; u32 memblocks_to_allocate; @@ -2185,7 +2708,6 @@ __vxge_hw_mempool_create( mempool->memblocks_dma_arr = vzalloc(sizeof(struct vxge_hw_mempool_dma) * mempool->memblocks_max); - if (mempool->memblocks_dma_arr == NULL) { __vxge_hw_mempool_destroy(mempool); status = VXGE_HW_ERR_OUT_OF_MEMORY; @@ -2222,122 +2744,188 @@ exit: } /* - * vxge_hw_mempool_destroy + * __vxge_hw_ring_abort - Returns the RxD + * This function terminates the RxDs of ring */ -static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool) +static enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring) { - u32 i, j; - struct __vxge_hw_device *devh = mempool->devh; - - for (i = 0; i < mempool->memblocks_allocated; i++) { - struct vxge_hw_mempool_dma *dma_object; + void *rxdh; + struct __vxge_hw_channel *channel; - vxge_assert(mempool->memblocks_arr[i]); - vxge_assert(mempool->memblocks_dma_arr + i); + channel = &ring->channel; - dma_object = mempool->memblocks_dma_arr + i; + for (;;) { + vxge_hw_channel_dtr_try_complete(channel, &rxdh); - for (j = 0; j < mempool->items_per_memblock; j++) { - u32 index = i * mempool->items_per_memblock + j; + if (rxdh == NULL) + break; - /* to skip last partially filled(if any) memblock */ - if (index >= mempool->items_current) - break; - } + vxge_hw_channel_dtr_complete(channel); - vfree(mempool->memblocks_priv_arr[i]); + if (ring->rxd_term) + ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED, + channel->userdata); - __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i], - mempool->memblock_size, dma_object); + vxge_hw_channel_dtr_free(channel, rxdh); } - vfree(mempool->items_arr); + return VXGE_HW_OK; +} - vfree(mempool->memblocks_dma_arr); +/* + * __vxge_hw_ring_reset - Resets the ring + * This function resets the ring during vpath reset operation + */ +static enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring) +{ + enum vxge_hw_status status = VXGE_HW_OK; + struct __vxge_hw_channel *channel; - vfree(mempool->memblocks_priv_arr); + channel = &ring->channel; - vfree(mempool->memblocks_arr); + __vxge_hw_ring_abort(ring); - vfree(mempool); + status = __vxge_hw_channel_reset(channel); + + if (status != VXGE_HW_OK) + goto exit; + + if (ring->rxd_init) { + status = vxge_hw_ring_replenish(ring); + if (status != VXGE_HW_OK) + goto exit; + } +exit: + return status; } /* - * __vxge_hw_device_fifo_config_check - Check fifo configuration. - * Check the fifo configuration + * __vxge_hw_ring_delete - Removes the ring + * This function freeup the memory pool and removes the ring */ static enum vxge_hw_status -__vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config) +__vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp) { - if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) || - (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS)) - return VXGE_HW_BADCFG_FIFO_BLOCKS; + struct __vxge_hw_ring *ring = vp->vpath->ringh; - return VXGE_HW_OK; -} + __vxge_hw_ring_abort(ring); -/* - * __vxge_hw_device_vpath_config_check - Check vpath configuration. - * Check the vpath configuration - */ -static enum vxge_hw_status -__vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config) -{ - enum vxge_hw_status status; - - if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) || - (vp_config->min_bandwidth > - VXGE_HW_VPATH_BANDWIDTH_MAX)) - return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH; - - status = __vxge_hw_device_fifo_config_check(&vp_config->fifo); - if (status != VXGE_HW_OK) - return status; - - if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) && - ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) || - (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU))) - return VXGE_HW_BADCFG_VPATH_MTU; + if (ring->mempool) + __vxge_hw_mempool_destroy(ring->mempool); - if ((vp_config->rpa_strip_vlan_tag != - VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) && - (vp_config->rpa_strip_vlan_tag != - VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) && - (vp_config->rpa_strip_vlan_tag != - VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE)) - return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG; + vp->vpath->ringh = NULL; + __vxge_hw_channel_free(&ring->channel); return VXGE_HW_OK; } /* - * __vxge_hw_device_config_check - Check device configuration. - * Check the device configuration + * __vxge_hw_ring_create - Create a Ring + * This function creates Ring and initializes it. */ static enum vxge_hw_status -__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config) +__vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp, + struct vxge_hw_ring_attr *attr) { - u32 i; - enum vxge_hw_status status; + enum vxge_hw_status status = VXGE_HW_OK; + struct __vxge_hw_ring *ring; + u32 ring_length; + struct vxge_hw_ring_config *config; + struct __vxge_hw_device *hldev; + u32 vp_id; + struct vxge_hw_mempool_cbs ring_mp_callback; - if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) && - (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) && - (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) && - (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF)) - return VXGE_HW_BADCFG_INTR_MODE; + if ((vp == NULL) || (attr == NULL)) { + status = VXGE_HW_FAIL; + goto exit; + } - if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) && - (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE)) - return VXGE_HW_BADCFG_RTS_MAC_EN; + hldev = vp->vpath->hldev; + vp_id = vp->vpath->vp_id; - for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { - status = __vxge_hw_device_vpath_config_check( - &new_config->vp_config[i]); - if (status != VXGE_HW_OK) - return status; + config = &hldev->config.vp_config[vp_id].ring; + + ring_length = config->ring_blocks * + vxge_hw_ring_rxds_per_block_get(config->buffer_mode); + + ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp, + VXGE_HW_CHANNEL_TYPE_RING, + ring_length, + attr->per_rxd_space, + attr->userdata); + if (ring == NULL) { + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto exit; } - return VXGE_HW_OK; + vp->vpath->ringh = ring; + ring->vp_id = vp_id; + ring->vp_reg = vp->vpath->vp_reg; + ring->common_reg = hldev->common_reg; + ring->stats = &vp->vpath->sw_stats->ring_stats; + ring->config = config; + ring->callback = attr->callback; + ring->rxd_init = attr->rxd_init; + ring->rxd_term = attr->rxd_term; + ring->buffer_mode = config->buffer_mode; + ring->rxds_limit = config->rxds_limit; + + ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode); + ring->rxd_priv_size = + sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space; + ring->per_rxd_space = attr->per_rxd_space; + + ring->rxd_priv_size = + ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) / + VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE; + + /* how many RxDs can fit into one block. Depends on configured + * buffer_mode. */ + ring->rxds_per_block = + vxge_hw_ring_rxds_per_block_get(config->buffer_mode); + + /* calculate actual RxD block private size */ + ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block; + ring_mp_callback.item_func_alloc = __vxge_hw_ring_mempool_item_alloc; + ring->mempool = __vxge_hw_mempool_create(hldev, + VXGE_HW_BLOCK_SIZE, + VXGE_HW_BLOCK_SIZE, + ring->rxdblock_priv_size, + ring->config->ring_blocks, + ring->config->ring_blocks, + &ring_mp_callback, + ring); + if (ring->mempool == NULL) { + __vxge_hw_ring_delete(vp); + return VXGE_HW_ERR_OUT_OF_MEMORY; + } + + status = __vxge_hw_channel_initialize(&ring->channel); + if (status != VXGE_HW_OK) { + __vxge_hw_ring_delete(vp); + goto exit; + } + + /* Note: + * Specifying rxd_init callback means two things: + * 1) rxds need to be initialized by driver at channel-open time; + * 2) rxds need to be posted at channel-open time + * (that's what the initial_replenish() below does) + * Currently we don't have a case when the 1) is done without the 2). + */ + if (ring->rxd_init) { + status = vxge_hw_ring_replenish(ring); + if (status != VXGE_HW_OK) { + __vxge_hw_ring_delete(vp); + goto exit; + } + } + + /* initial replenish will increment the counter in its post() routine, + * we have to reset it */ + ring->stats->common_stats.usage_cnt = 0; +exit: + return status; } /* @@ -2359,7 +2947,6 @@ vxge_hw_device_config_default_get(struct vxge_hw_device_config *device_config) device_config->rts_mac_en = VXGE_HW_RTS_MAC_DEFAULT; for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { - device_config->vp_config[i].vp_id = i; device_config->vp_config[i].min_bandwidth = @@ -2498,61 +3085,6 @@ vxge_hw_device_config_default_get(struct vxge_hw_device_config *device_config) return VXGE_HW_OK; } -/* - * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion. - * Set the swapper bits appropriately for the lagacy section. - */ -static enum vxge_hw_status -__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg) -{ - u64 val64; - enum vxge_hw_status status = VXGE_HW_OK; - - val64 = readq(&legacy_reg->toc_swapper_fb); - - wmb(); - - switch (val64) { - - case VXGE_HW_SWAPPER_INITIAL_VALUE: - return status; - - case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED: - writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, - &legacy_reg->pifm_rd_swap_en); - writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, - &legacy_reg->pifm_rd_flip_en); - writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, - &legacy_reg->pifm_wr_swap_en); - writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, - &legacy_reg->pifm_wr_flip_en); - break; - - case VXGE_HW_SWAPPER_BYTE_SWAPPED: - writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE, - &legacy_reg->pifm_rd_swap_en); - writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE, - &legacy_reg->pifm_wr_swap_en); - break; - - case VXGE_HW_SWAPPER_BIT_FLIPPED: - writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE, - &legacy_reg->pifm_rd_flip_en); - writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE, - &legacy_reg->pifm_wr_flip_en); - break; - } - - wmb(); - - val64 = readq(&legacy_reg->toc_swapper_fb); - - if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE) - status = VXGE_HW_ERR_SWAPPER_CTRL; - - return status; -} - /* * __vxge_hw_vpath_swapper_set - Set the swapper bits for the vpath. * Set the swapper bits appropriately for the vpath. @@ -2577,9 +3109,8 @@ __vxge_hw_vpath_swapper_set(struct vxge_hw_vpath_reg __iomem *vpath_reg) * Set the swapper bits appropriately for the vpath. */ static enum vxge_hw_status -__vxge_hw_kdfc_swapper_set( - struct vxge_hw_legacy_reg __iomem *legacy_reg, - struct vxge_hw_vpath_reg __iomem *vpath_reg) +__vxge_hw_kdfc_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg, + struct vxge_hw_vpath_reg __iomem *vpath_reg) { u64 val64; @@ -2829,57 +3360,120 @@ exit: } /* - * __vxge_hw_fifo_mempool_item_alloc - Allocate List blocks for TxD - * list callback - * This function is callback passed to __vxge_hw_mempool_create to create memory - * pool for TxD list + * __vxge_hw_fifo_abort - Returns the TxD + * This function terminates the TxDs of fifo */ -static void -__vxge_hw_fifo_mempool_item_alloc( - struct vxge_hw_mempool *mempoolh, - u32 memblock_index, struct vxge_hw_mempool_dma *dma_object, - u32 index, u32 is_last) +static enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo) { - u32 memblock_item_idx; - struct __vxge_hw_fifo_txdl_priv *txdl_priv; - struct vxge_hw_fifo_txd *txdp = - (struct vxge_hw_fifo_txd *)mempoolh->items_arr[index]; - struct __vxge_hw_fifo *fifo = - (struct __vxge_hw_fifo *)mempoolh->userdata; - void *memblock = mempoolh->memblocks_arr[memblock_index]; + void *txdlh; - vxge_assert(txdp); + for (;;) { + vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh); - txdp->host_control = (u64) (size_t) - __vxge_hw_mempool_item_priv(mempoolh, memblock_index, txdp, - &memblock_item_idx); + if (txdlh == NULL) + break; - txdl_priv = __vxge_hw_fifo_txdl_priv(fifo, txdp); + vxge_hw_channel_dtr_complete(&fifo->channel); - vxge_assert(txdl_priv); + if (fifo->txdl_term) { + fifo->txdl_term(txdlh, + VXGE_HW_TXDL_STATE_POSTED, + fifo->channel.userdata); + } - fifo->channel.reserve_arr[fifo->channel.reserve_ptr - 1 - index] = txdp; + vxge_hw_channel_dtr_free(&fifo->channel, txdlh); + } - /* pre-format HW's TxDL's private */ - txdl_priv->dma_offset = (char *)txdp - (char *)memblock; - txdl_priv->dma_addr = dma_object->addr + txdl_priv->dma_offset; - txdl_priv->dma_handle = dma_object->handle; - txdl_priv->memblock = memblock; - txdl_priv->first_txdp = txdp; - txdl_priv->next_txdl_priv = NULL; - txdl_priv->alloc_frags = 0; + return VXGE_HW_OK; } /* - * __vxge_hw_fifo_create - Create a FIFO - * This function creates FIFO and initializes it. + * __vxge_hw_fifo_reset - Resets the fifo + * This function resets the fifo during vpath reset operation */ -static enum vxge_hw_status -__vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, - struct vxge_hw_fifo_attr *attr) +static enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo) { enum vxge_hw_status status = VXGE_HW_OK; - struct __vxge_hw_fifo *fifo; + + __vxge_hw_fifo_abort(fifo); + status = __vxge_hw_channel_reset(&fifo->channel); + + return status; +} + +/* + * __vxge_hw_fifo_delete - Removes the FIFO + * This function freeup the memory pool and removes the FIFO + */ +static enum vxge_hw_status +__vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp) +{ + struct __vxge_hw_fifo *fifo = vp->vpath->fifoh; + + __vxge_hw_fifo_abort(fifo); + + if (fifo->mempool) + __vxge_hw_mempool_destroy(fifo->mempool); + + vp->vpath->fifoh = NULL; + + __vxge_hw_channel_free(&fifo->channel); + + return VXGE_HW_OK; +} + +/* + * __vxge_hw_fifo_mempool_item_alloc - Allocate List blocks for TxD + * list callback + * This function is callback passed to __vxge_hw_mempool_create to create memory + * pool for TxD list + */ +static void +__vxge_hw_fifo_mempool_item_alloc( + struct vxge_hw_mempool *mempoolh, + u32 memblock_index, struct vxge_hw_mempool_dma *dma_object, + u32 index, u32 is_last) +{ + u32 memblock_item_idx; + struct __vxge_hw_fifo_txdl_priv *txdl_priv; + struct vxge_hw_fifo_txd *txdp = + (struct vxge_hw_fifo_txd *)mempoolh->items_arr[index]; + struct __vxge_hw_fifo *fifo = + (struct __vxge_hw_fifo *)mempoolh->userdata; + void *memblock = mempoolh->memblocks_arr[memblock_index]; + + vxge_assert(txdp); + + txdp->host_control = (u64) (size_t) + __vxge_hw_mempool_item_priv(mempoolh, memblock_index, txdp, + &memblock_item_idx); + + txdl_priv = __vxge_hw_fifo_txdl_priv(fifo, txdp); + + vxge_assert(txdl_priv); + + fifo->channel.reserve_arr[fifo->channel.reserve_ptr - 1 - index] = txdp; + + /* pre-format HW's TxDL's private */ + txdl_priv->dma_offset = (char *)txdp - (char *)memblock; + txdl_priv->dma_addr = dma_object->addr + txdl_priv->dma_offset; + txdl_priv->dma_handle = dma_object->handle; + txdl_priv->memblock = memblock; + txdl_priv->first_txdp = txdp; + txdl_priv->next_txdl_priv = NULL; + txdl_priv->alloc_frags = 0; +} + +/* + * __vxge_hw_fifo_create - Create a FIFO + * This function creates FIFO and initializes it. + */ +static enum vxge_hw_status +__vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, + struct vxge_hw_fifo_attr *attr) +{ + enum vxge_hw_status status = VXGE_HW_OK; + struct __vxge_hw_fifo *fifo; struct vxge_hw_fifo_config *config; u32 txdl_size, txdl_per_memblock; struct vxge_hw_mempool_cbs fifo_mp_callback; @@ -2992,69 +3586,6 @@ exit: return status; } -/* - * __vxge_hw_fifo_abort - Returns the TxD - * This function terminates the TxDs of fifo - */ -static enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo) -{ - void *txdlh; - - for (;;) { - vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh); - - if (txdlh == NULL) - break; - - vxge_hw_channel_dtr_complete(&fifo->channel); - - if (fifo->txdl_term) { - fifo->txdl_term(txdlh, - VXGE_HW_TXDL_STATE_POSTED, - fifo->channel.userdata); - } - - vxge_hw_channel_dtr_free(&fifo->channel, txdlh); - } - - return VXGE_HW_OK; -} - -/* - * __vxge_hw_fifo_reset - Resets the fifo - * This function resets the fifo during vpath reset operation - */ -static enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo) -{ - enum vxge_hw_status status = VXGE_HW_OK; - - __vxge_hw_fifo_abort(fifo); - status = __vxge_hw_channel_reset(&fifo->channel); - - return status; -} - -/* - * __vxge_hw_fifo_delete - Removes the FIFO - * This function freeup the memory pool and removes the FIFO - */ -static enum vxge_hw_status -__vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp) -{ - struct __vxge_hw_fifo *fifo = vp->vpath->fifoh; - - __vxge_hw_fifo_abort(fifo); - - if (fifo->mempool) - __vxge_hw_mempool_destroy(fifo->mempool); - - vp->vpath->fifoh = NULL; - - __vxge_hw_channel_free(&fifo->channel); - - return VXGE_HW_OK; -} - /* * __vxge_hw_vpath_pci_read - Read the content of given address * in pci config space. @@ -3786,10 +4317,10 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) vp_reg = vpath->vp_reg; config = vpath->vp_config; - writeq((u64)0, &vp_reg->tim_dest_addr); - writeq((u64)0, &vp_reg->tim_vpath_map); - writeq((u64)0, &vp_reg->tim_bitmap); - writeq((u64)0, &vp_reg->tim_remap); + writeq(0, &vp_reg->tim_dest_addr); + writeq(0, &vp_reg->tim_vpath_map); + writeq(0, &vp_reg->tim_bitmap); + writeq(0, &vp_reg->tim_remap); if (config->ring.enable == VXGE_HW_RING_ENABLE) writeq(VXGE_HW_TIM_RING_ASSN_INT_NUM( @@ -3902,1355 +4433,699 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id) config->tti.ltimer_val); } - writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); - } - - if (config->ring.enable == VXGE_HW_RING_ENABLE) { - - val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); - - if (config->rti.btimer_val != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( - 0x3ffffff); - val64 |= VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( - config->rti.btimer_val); - } - - val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BITMP_EN; - - if (config->rti.timer_ac_en != VXGE_HW_USE_FLASH_DEFAULT) { - if (config->rti.timer_ac_en) - val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; - else - val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; - } - - if (config->rti.timer_ci_en != VXGE_HW_USE_FLASH_DEFAULT) { - if (config->rti.timer_ci_en) - val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; - else - val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; - } - - if (config->rti.urange_a != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_A(0x3f); - val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_A( - config->rti.urange_a); - } - - if (config->rti.urange_b != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_B(0x3f); - val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_B( - config->rti.urange_b); - } - - if (config->rti.urange_c != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_C(0x3f); - val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_C( - config->rti.urange_c); - } - - writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); - val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); - - if (config->rti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_A(0xffff); - val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_A( - config->rti.uec_a); - } - - if (config->rti.uec_b != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_B(0xffff); - val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_B( - config->rti.uec_b); - } - - if (config->rti.uec_c != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_C(0xffff); - val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_C( - config->rti.uec_c); - } - - if (config->rti.uec_d != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_D(0xffff); - val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_D( - config->rti.uec_d); - } - - writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); - val64 = readq(&vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); - - if (config->rti.timer_ri_en != VXGE_HW_USE_FLASH_DEFAULT) { - if (config->rti.timer_ri_en) - val64 |= VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; - else - val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; - } - - if (config->rti.rtimer_val != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( - 0x3ffffff); - val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( - config->rti.rtimer_val); - } - - if (config->rti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f); - val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL( - config->rti.util_sel); - } - - if (config->rti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) { - val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( - 0x3ffffff); - val64 |= VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( - config->rti.ltimer_val); - } - - writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); - } - - val64 = 0; - writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_EINTA]); - writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_EINTA]); - writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_EINTA]); - writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_BMAP]); - writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_BMAP]); - writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_BMAP]); - - return status; -} - -void -vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id) -{ - struct __vxge_hw_virtualpath *vpath; - struct vxge_hw_vpath_reg __iomem *vp_reg; - struct vxge_hw_vp_config *config; - u64 val64; - - vpath = &hldev->virtual_paths[vp_id]; - vp_reg = vpath->vp_reg; - config = vpath->vp_config; - - if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) { - val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); - - if (config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) { - config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE; - val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; - writeq(val64, - &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); - } - } -} -/* - * __vxge_hw_vpath_initialize - * This routine is the final phase of init which initializes the - * registers of the vpath using the configuration passed. - */ -static enum vxge_hw_status -__vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id) -{ - u64 val64; - u32 val32; - enum vxge_hw_status status = VXGE_HW_OK; - struct __vxge_hw_virtualpath *vpath; - struct vxge_hw_vpath_reg __iomem *vp_reg; - - vpath = &hldev->virtual_paths[vp_id]; - - if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { - status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; - goto exit; - } - vp_reg = vpath->vp_reg; - - status = __vxge_hw_vpath_swapper_set(vpath->vp_reg); - - if (status != VXGE_HW_OK) - goto exit; - - status = __vxge_hw_vpath_mac_configure(hldev, vp_id); - - if (status != VXGE_HW_OK) - goto exit; - - status = __vxge_hw_vpath_kdfc_configure(hldev, vp_id); - - if (status != VXGE_HW_OK) - goto exit; - - status = __vxge_hw_vpath_tim_configure(hldev, vp_id); - - if (status != VXGE_HW_OK) - goto exit; - - val64 = readq(&vp_reg->rtdma_rd_optimization_ctrl); - - /* Get MRRS value from device control */ - status = __vxge_hw_vpath_pci_read(vpath, 1, 0x78, &val32); - - if (status == VXGE_HW_OK) { - val32 = (val32 & VXGE_HW_PCI_EXP_DEVCTL_READRQ) >> 12; - val64 &= - ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(7)); - val64 |= - VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(val32); - - val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_WAIT_FOR_SPACE; - } - - val64 &= ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(7)); - val64 |= - VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY( - VXGE_HW_MAX_PAYLOAD_SIZE_512); - - val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY_EN; - writeq(val64, &vp_reg->rtdma_rd_optimization_ctrl); - -exit: - return status; -} - -/* - * __vxge_hw_vp_initialize - Initialize Virtual Path structure - * This routine is the initial phase of init which resets the vpath and - * initializes the software support structures. - */ -static enum vxge_hw_status -__vxge_hw_vp_initialize(struct __vxge_hw_device *hldev, u32 vp_id, - struct vxge_hw_vp_config *config) -{ - struct __vxge_hw_virtualpath *vpath; - enum vxge_hw_status status = VXGE_HW_OK; - - if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { - status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; - goto exit; - } - - vpath = &hldev->virtual_paths[vp_id]; - - spin_lock_init(&hldev->virtual_paths[vp_id].lock); - vpath->vp_id = vp_id; - vpath->vp_open = VXGE_HW_VP_OPEN; - vpath->hldev = hldev; - vpath->vp_config = config; - vpath->vp_reg = hldev->vpath_reg[vp_id]; - vpath->vpmgmt_reg = hldev->vpmgmt_reg[vp_id]; - - __vxge_hw_vpath_reset(hldev, vp_id); - - status = __vxge_hw_vpath_reset_check(vpath); - if (status != VXGE_HW_OK) { - memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); - goto exit; - } - - status = __vxge_hw_vpath_mgmt_read(hldev, vpath); - if (status != VXGE_HW_OK) { - memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); - goto exit; - } - - INIT_LIST_HEAD(&vpath->vpath_handles); - - vpath->sw_stats = &hldev->stats.sw_dev_info_stats.vpath_info[vp_id]; - - VXGE_HW_DEVICE_TIM_INT_MASK_SET(hldev->tim_int_mask0, - hldev->tim_int_mask1, vp_id); - - status = __vxge_hw_vpath_initialize(hldev, vp_id); - if (status != VXGE_HW_OK) - __vxge_hw_vp_terminate(hldev, vp_id); -exit: - return status; -} - -/* - * __vxge_hw_vp_terminate - Terminate Virtual Path structure - * This routine closes all channels it opened and freeup memory - */ -static void -__vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id) -{ - struct __vxge_hw_virtualpath *vpath; - - vpath = &hldev->virtual_paths[vp_id]; - - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) - goto exit; - - VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0, - vpath->hldev->tim_int_mask1, vpath->vp_id); - hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL; - - memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); -exit: - return; -} - -/* - * vxge_hw_vpath_mtu_set - Set MTU. - * Set new MTU value. Example, to use jumbo frames: - * vxge_hw_vpath_mtu_set(my_device, 9600); - */ -enum vxge_hw_status -vxge_hw_vpath_mtu_set(struct __vxge_hw_vpath_handle *vp, u32 new_mtu) -{ - u64 val64; - enum vxge_hw_status status = VXGE_HW_OK; - struct __vxge_hw_virtualpath *vpath; - - if (vp == NULL) { - status = VXGE_HW_ERR_INVALID_HANDLE; - goto exit; - } - vpath = vp->vpath; - - new_mtu += VXGE_HW_MAC_HEADER_MAX_SIZE; - - if ((new_mtu < VXGE_HW_MIN_MTU) || (new_mtu > vpath->max_mtu)) - status = VXGE_HW_ERR_INVALID_MTU_SIZE; - - val64 = readq(&vpath->vp_reg->rxmac_vcfg0); - - val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); - val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(new_mtu); - - writeq(val64, &vpath->vp_reg->rxmac_vcfg0); - - vpath->vp_config->mtu = new_mtu - VXGE_HW_MAC_HEADER_MAX_SIZE; - -exit: - return status; -} - -/* - * vxge_hw_vpath_open - Open a virtual path on a given adapter - * This function is used to open access to virtual path of an - * adapter for offload, GRO operations. This function returns - * synchronously. - */ -enum vxge_hw_status -vxge_hw_vpath_open(struct __vxge_hw_device *hldev, - struct vxge_hw_vpath_attr *attr, - struct __vxge_hw_vpath_handle **vpath_handle) -{ - struct __vxge_hw_virtualpath *vpath; - struct __vxge_hw_vpath_handle *vp; - enum vxge_hw_status status; - - vpath = &hldev->virtual_paths[attr->vp_id]; - - if (vpath->vp_open == VXGE_HW_VP_OPEN) { - status = VXGE_HW_ERR_INVALID_STATE; - goto vpath_open_exit1; - } - - status = __vxge_hw_vp_initialize(hldev, attr->vp_id, - &hldev->config.vp_config[attr->vp_id]); - - if (status != VXGE_HW_OK) - goto vpath_open_exit1; - - vp = vzalloc(sizeof(struct __vxge_hw_vpath_handle)); - if (vp == NULL) { - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto vpath_open_exit2; - } - - vp->vpath = vpath; - - if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) { - status = __vxge_hw_fifo_create(vp, &attr->fifo_attr); - if (status != VXGE_HW_OK) - goto vpath_open_exit6; - } - - if (vpath->vp_config->ring.enable == VXGE_HW_RING_ENABLE) { - status = __vxge_hw_ring_create(vp, &attr->ring_attr); - if (status != VXGE_HW_OK) - goto vpath_open_exit7; - - __vxge_hw_vpath_prc_configure(hldev, attr->vp_id); - } - - vpath->fifoh->tx_intr_num = - (attr->vp_id * VXGE_HW_MAX_INTR_PER_VP) + - VXGE_HW_VPATH_INTR_TX; - - vpath->stats_block = __vxge_hw_blockpool_block_allocate(hldev, - VXGE_HW_BLOCK_SIZE); - - if (vpath->stats_block == NULL) { - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto vpath_open_exit8; - } - - vpath->hw_stats = (struct vxge_hw_vpath_stats_hw_info *)vpath-> - stats_block->memblock; - memset(vpath->hw_stats, 0, - sizeof(struct vxge_hw_vpath_stats_hw_info)); - - hldev->stats.hw_dev_info_stats.vpath_info[attr->vp_id] = - vpath->hw_stats; - - vpath->hw_stats_sav = - &hldev->stats.hw_dev_info_stats.vpath_info_sav[attr->vp_id]; - memset(vpath->hw_stats_sav, 0, - sizeof(struct vxge_hw_vpath_stats_hw_info)); - - writeq(vpath->stats_block->dma_addr, &vpath->vp_reg->stats_cfg); - - status = vxge_hw_vpath_stats_enable(vp); - if (status != VXGE_HW_OK) - goto vpath_open_exit8; - - list_add(&vp->item, &vpath->vpath_handles); - - hldev->vpaths_deployed |= vxge_mBIT(vpath->vp_id); - - *vpath_handle = vp; - - attr->fifo_attr.userdata = vpath->fifoh; - attr->ring_attr.userdata = vpath->ringh; - - return VXGE_HW_OK; - -vpath_open_exit8: - if (vpath->ringh != NULL) - __vxge_hw_ring_delete(vp); -vpath_open_exit7: - if (vpath->fifoh != NULL) - __vxge_hw_fifo_delete(vp); -vpath_open_exit6: - vfree(vp); -vpath_open_exit2: - __vxge_hw_vp_terminate(hldev, attr->vp_id); -vpath_open_exit1: - - return status; -} - -/** - * vxge_hw_vpath_rx_doorbell_post - Close the handle got from previous vpath - * (vpath) open - * @vp: Handle got from previous vpath open - * - * This function is used to close access to virtual path opened - * earlier. - */ -void -vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp) -{ - struct __vxge_hw_virtualpath *vpath = vp->vpath; - struct __vxge_hw_ring *ring = vpath->ringh; - struct vxgedev *vdev = netdev_priv(vpath->hldev->ndev); - u64 new_count, val64, val164; - - if (vdev->titan1) { - new_count = readq(&vpath->vp_reg->rxdmem_size); - new_count &= 0x1fff; - } else - new_count = ring->config->ring_blocks * VXGE_HW_BLOCK_SIZE / 8; - - val164 = VXGE_HW_RXDMEM_SIZE_PRC_RXDMEM_SIZE(new_count); - - writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(val164), - &vpath->vp_reg->prc_rxd_doorbell); - readl(&vpath->vp_reg->prc_rxd_doorbell); - - val164 /= 2; - val64 = readq(&vpath->vp_reg->prc_cfg6); - val64 = VXGE_HW_PRC_CFG6_RXD_SPAT(val64); - val64 &= 0x1ff; - - /* - * Each RxD is of 4 qwords - */ - new_count -= (val64 + 1); - val64 = min(val164, new_count) / 4; - - ring->rxds_limit = min(ring->rxds_limit, val64); - if (ring->rxds_limit < 4) - ring->rxds_limit = 4; -} - -/* - * vxge_hw_vpath_close - Close the handle got from previous vpath (vpath) open - * This function is used to close access to virtual path opened - * earlier. - */ -enum vxge_hw_status vxge_hw_vpath_close(struct __vxge_hw_vpath_handle *vp) -{ - struct __vxge_hw_virtualpath *vpath = NULL; - struct __vxge_hw_device *devh = NULL; - u32 vp_id = vp->vpath->vp_id; - u32 is_empty = TRUE; - enum vxge_hw_status status = VXGE_HW_OK; - - vpath = vp->vpath; - devh = vpath->hldev; - - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { - status = VXGE_HW_ERR_VPATH_NOT_OPEN; - goto vpath_close_exit; - } - - list_del(&vp->item); - - if (!list_empty(&vpath->vpath_handles)) { - list_add(&vp->item, &vpath->vpath_handles); - is_empty = FALSE; - } - - if (!is_empty) { - status = VXGE_HW_FAIL; - goto vpath_close_exit; - } - - devh->vpaths_deployed &= ~vxge_mBIT(vp_id); - - if (vpath->ringh != NULL) - __vxge_hw_ring_delete(vp); - - if (vpath->fifoh != NULL) - __vxge_hw_fifo_delete(vp); - - if (vpath->stats_block != NULL) - __vxge_hw_blockpool_block_free(devh, vpath->stats_block); - - vfree(vp); - - __vxge_hw_vp_terminate(devh, vp_id); - - spin_lock(&vpath->lock); - vpath->vp_open = VXGE_HW_VP_NOT_OPEN; - spin_unlock(&vpath->lock); - -vpath_close_exit: - return status; -} - -/* - * vxge_hw_vpath_reset - Resets vpath - * This function is used to request a reset of vpath - */ -enum vxge_hw_status vxge_hw_vpath_reset(struct __vxge_hw_vpath_handle *vp) -{ - enum vxge_hw_status status; - u32 vp_id; - struct __vxge_hw_virtualpath *vpath = vp->vpath; - - vp_id = vpath->vp_id; - - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { - status = VXGE_HW_ERR_VPATH_NOT_OPEN; - goto exit; - } - - status = __vxge_hw_vpath_reset(vpath->hldev, vp_id); - if (status == VXGE_HW_OK) - vpath->sw_stats->soft_reset_cnt++; -exit: - return status; -} - -/* - * vxge_hw_vpath_recover_from_reset - Poll for reset complete and re-initialize. - * This function poll's for the vpath reset completion and re initializes - * the vpath. - */ -enum vxge_hw_status -vxge_hw_vpath_recover_from_reset(struct __vxge_hw_vpath_handle *vp) -{ - struct __vxge_hw_virtualpath *vpath = NULL; - enum vxge_hw_status status; - struct __vxge_hw_device *hldev; - u32 vp_id; - - vp_id = vp->vpath->vp_id; - vpath = vp->vpath; - hldev = vpath->hldev; - - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { - status = VXGE_HW_ERR_VPATH_NOT_OPEN; - goto exit; - } - - status = __vxge_hw_vpath_reset_check(vpath); - if (status != VXGE_HW_OK) - goto exit; - - status = __vxge_hw_vpath_sw_reset(hldev, vp_id); - if (status != VXGE_HW_OK) - goto exit; - - status = __vxge_hw_vpath_initialize(hldev, vp_id); - if (status != VXGE_HW_OK) - goto exit; - - if (vpath->ringh != NULL) - __vxge_hw_vpath_prc_configure(hldev, vp_id); - - memset(vpath->hw_stats, 0, - sizeof(struct vxge_hw_vpath_stats_hw_info)); - - memset(vpath->hw_stats_sav, 0, - sizeof(struct vxge_hw_vpath_stats_hw_info)); - - writeq(vpath->stats_block->dma_addr, - &vpath->vp_reg->stats_cfg); - - status = vxge_hw_vpath_stats_enable(vp); + writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_TX]); + } -exit: - return status; -} + if (config->ring.enable == VXGE_HW_RING_ENABLE) { -/* - * vxge_hw_vpath_enable - Enable vpath. - * This routine clears the vpath reset thereby enabling a vpath - * to start forwarding frames and generating interrupts. - */ -void -vxge_hw_vpath_enable(struct __vxge_hw_vpath_handle *vp) -{ - struct __vxge_hw_device *hldev; - u64 val64; + val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); - hldev = vp->vpath->hldev; + if (config->rti.btimer_val != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( + 0x3ffffff); + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_BTIMER_VAL( + config->rti.btimer_val); + } - val64 = VXGE_HW_CMN_RSTHDLR_CFG1_CLR_VPATH_RESET( - 1 << (16 - vp->vpath->vp_id)); + val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_BITMP_EN; - __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), - &hldev->common_reg->cmn_rsthdlr_cfg1); -} + if (config->rti.timer_ac_en != VXGE_HW_USE_FLASH_DEFAULT) { + if (config->rti.timer_ac_en) + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; + else + val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_AC; + } -/* - * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics. - * Enable the DMA vpath statistics. The function is to be called to re-enable - * the adapter to update stats into the host memory - */ -static enum vxge_hw_status -vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp) -{ - enum vxge_hw_status status = VXGE_HW_OK; - struct __vxge_hw_virtualpath *vpath; + if (config->rti.timer_ci_en != VXGE_HW_USE_FLASH_DEFAULT) { + if (config->rti.timer_ci_en) + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; + else + val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; + } - vpath = vp->vpath; + if (config->rti.urange_a != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_A(0x3f); + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_A( + config->rti.urange_a); + } - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { - status = VXGE_HW_ERR_VPATH_NOT_OPEN; - goto exit; - } + if (config->rti.urange_b != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_B(0x3f); + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_B( + config->rti.urange_b); + } - memcpy(vpath->hw_stats_sav, vpath->hw_stats, - sizeof(struct vxge_hw_vpath_stats_hw_info)); + if (config->rti.urange_c != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG1_INT_NUM_URNG_C(0x3f); + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_URNG_C( + config->rti.urange_c); + } - status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats); -exit: - return status; -} + writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_RX]); + val64 = readq(&vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); -/* - * __vxge_hw_vpath_stats_access - Get the statistics from the given location - * and offset and perform an operation - */ -static enum vxge_hw_status -__vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath, - u32 operation, u32 offset, u64 *stat) -{ - u64 val64; - enum vxge_hw_status status = VXGE_HW_OK; - struct vxge_hw_vpath_reg __iomem *vp_reg; + if (config->rti.uec_a != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_A(0xffff); + val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_A( + config->rti.uec_a); + } - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { - status = VXGE_HW_ERR_VPATH_NOT_OPEN; - goto vpath_stats_access_exit; - } + if (config->rti.uec_b != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_B(0xffff); + val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_B( + config->rti.uec_b); + } - vp_reg = vpath->vp_reg; + if (config->rti.uec_c != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_C(0xffff); + val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_C( + config->rti.uec_c); + } - val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) | - VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE | - VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset); + if (config->rti.uec_d != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG2_INT_NUM_UEC_D(0xffff); + val64 |= VXGE_HW_TIM_CFG2_INT_NUM_UEC_D( + config->rti.uec_d); + } - status = __vxge_hw_pio_mem_write64(val64, - &vp_reg->xmac_stats_access_cmd, - VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE, - vpath->hldev->config.device_poll_millis); + writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_RX]); + val64 = readq(&vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); - if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ)) - *stat = readq(&vp_reg->xmac_stats_access_data); - else - *stat = 0; + if (config->rti.timer_ri_en != VXGE_HW_USE_FLASH_DEFAULT) { + if (config->rti.timer_ri_en) + val64 |= VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; + else + val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_TIMER_RI; + } -vpath_stats_access_exit: - return status; -} + if (config->rti.rtimer_val != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( + 0x3ffffff); + val64 |= VXGE_HW_TIM_CFG3_INT_NUM_RTIMER_VAL( + config->rti.rtimer_val); + } -/* - * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath - */ -static enum vxge_hw_status -__vxge_hw_vpath_xmac_tx_stats_get( - struct __vxge_hw_virtualpath *vpath, - struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats) -{ - u64 *val64; - int i; - u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET; - enum vxge_hw_status status = VXGE_HW_OK; + if (config->rti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f); + val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL( + config->rti.util_sel); + } - val64 = (u64 *) vpath_tx_stats; + if (config->rti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) { + val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( + 0x3ffffff); + val64 |= VXGE_HW_TIM_CFG3_INT_NUM_LTIMER_VAL( + config->rti.ltimer_val); + } - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { - status = VXGE_HW_ERR_VPATH_NOT_OPEN; - goto exit; + writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_RX]); } - for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) { - status = __vxge_hw_vpath_stats_access(vpath, - VXGE_HW_STATS_OP_READ, - offset, val64); - if (status != VXGE_HW_OK) - goto exit; - offset++; - val64++; - } -exit: + val64 = 0; + writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_EINTA]); + writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_EINTA]); + writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_EINTA]); + writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_BMAP]); + writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_BMAP]); + writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_BMAP]); + return status; } -/* - * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath - */ -static enum vxge_hw_status -__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath, - struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats) +void vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id) { - u64 *val64; - enum vxge_hw_status status = VXGE_HW_OK; - int i; - u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET; - val64 = (u64 *) vpath_rx_stats; + struct __vxge_hw_virtualpath *vpath; + struct vxge_hw_vpath_reg __iomem *vp_reg; + struct vxge_hw_vp_config *config; + u64 val64; - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { - status = VXGE_HW_ERR_VPATH_NOT_OPEN; - goto exit; - } - for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) { - status = __vxge_hw_vpath_stats_access(vpath, - VXGE_HW_STATS_OP_READ, - offset >> 3, val64); - if (status != VXGE_HW_OK) - goto exit; + vpath = &hldev->virtual_paths[vp_id]; + vp_reg = vpath->vp_reg; + config = vpath->vp_config; - offset += 8; - val64++; + if (config->fifo.enable == VXGE_HW_FIFO_ENABLE && + config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) { + config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE; + val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); + val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI; + writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]); } -exit: - return status; } /* - * __vxge_hw_vpath_stats_get - Get the vpath hw statistics. + * __vxge_hw_vpath_initialize + * This routine is the final phase of init which initializes the + * registers of the vpath using the configuration passed. */ static enum vxge_hw_status -__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath, - struct vxge_hw_vpath_stats_hw_info *hw_stats) +__vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id) { u64 val64; + u32 val32; enum vxge_hw_status status = VXGE_HW_OK; + struct __vxge_hw_virtualpath *vpath; struct vxge_hw_vpath_reg __iomem *vp_reg; - if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { - status = VXGE_HW_ERR_VPATH_NOT_OPEN; + vpath = &hldev->virtual_paths[vp_id]; + + if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { + status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; goto exit; } vp_reg = vpath->vp_reg; - val64 = readq(&vp_reg->vpath_debug_stats0); - hw_stats->ini_num_mwr_sent = - (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64); - - val64 = readq(&vp_reg->vpath_debug_stats1); - hw_stats->ini_num_mrd_sent = - (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64); + status = __vxge_hw_vpath_swapper_set(vpath->vp_reg); + if (status != VXGE_HW_OK) + goto exit; - val64 = readq(&vp_reg->vpath_debug_stats2); - hw_stats->ini_num_cpl_rcvd = - (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64); + status = __vxge_hw_vpath_mac_configure(hldev, vp_id); + if (status != VXGE_HW_OK) + goto exit; - val64 = readq(&vp_reg->vpath_debug_stats3); - hw_stats->ini_num_mwr_byte_sent = - VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64); + status = __vxge_hw_vpath_kdfc_configure(hldev, vp_id); + if (status != VXGE_HW_OK) + goto exit; - val64 = readq(&vp_reg->vpath_debug_stats4); - hw_stats->ini_num_cpl_byte_rcvd = - VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64); + status = __vxge_hw_vpath_tim_configure(hldev, vp_id); + if (status != VXGE_HW_OK) + goto exit; - val64 = readq(&vp_reg->vpath_debug_stats5); - hw_stats->wrcrdtarb_xoff = - (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64); + val64 = readq(&vp_reg->rtdma_rd_optimization_ctrl); - val64 = readq(&vp_reg->vpath_debug_stats6); - hw_stats->rdcrdtarb_xoff = - (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64); + /* Get MRRS value from device control */ + status = __vxge_hw_vpath_pci_read(vpath, 1, 0x78, &val32); + if (status == VXGE_HW_OK) { + val32 = (val32 & VXGE_HW_PCI_EXP_DEVCTL_READRQ) >> 12; + val64 &= + ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(7)); + val64 |= + VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(val32); - val64 = readq(&vp_reg->vpath_genstats_count01); - hw_stats->vpath_genstats_count0 = - (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0( - val64); + val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_WAIT_FOR_SPACE; + } - val64 = readq(&vp_reg->vpath_genstats_count01); - hw_stats->vpath_genstats_count1 = - (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1( - val64); + val64 &= ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(7)); + val64 |= + VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY( + VXGE_HW_MAX_PAYLOAD_SIZE_512); - val64 = readq(&vp_reg->vpath_genstats_count23); - hw_stats->vpath_genstats_count2 = - (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2( - val64); + val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY_EN; + writeq(val64, &vp_reg->rtdma_rd_optimization_ctrl); - val64 = readq(&vp_reg->vpath_genstats_count01); - hw_stats->vpath_genstats_count3 = - (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3( - val64); +exit: + return status; +} - val64 = readq(&vp_reg->vpath_genstats_count4); - hw_stats->vpath_genstats_count4 = - (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4( - val64); +/* + * __vxge_hw_vp_terminate - Terminate Virtual Path structure + * This routine closes all channels it opened and freeup memory + */ +static void __vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id) +{ + struct __vxge_hw_virtualpath *vpath; - val64 = readq(&vp_reg->vpath_genstats_count5); - hw_stats->vpath_genstats_count5 = - (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5( - val64); + vpath = &hldev->virtual_paths[vp_id]; - status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats); - if (status != VXGE_HW_OK) + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) goto exit; - status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats); - if (status != VXGE_HW_OK) - goto exit; + VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0, + vpath->hldev->tim_int_mask1, vpath->vp_id); + hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL; - VXGE_HW_VPATH_STATS_PIO_READ( - VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET); + memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); +exit: + return; +} - hw_stats->prog_event_vnum0 = - (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64); +/* + * __vxge_hw_vp_initialize - Initialize Virtual Path structure + * This routine is the initial phase of init which resets the vpath and + * initializes the software support structures. + */ +static enum vxge_hw_status +__vxge_hw_vp_initialize(struct __vxge_hw_device *hldev, u32 vp_id, + struct vxge_hw_vp_config *config) +{ + struct __vxge_hw_virtualpath *vpath; + enum vxge_hw_status status = VXGE_HW_OK; - hw_stats->prog_event_vnum1 = - (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64); + if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) { + status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE; + goto exit; + } - VXGE_HW_VPATH_STATS_PIO_READ( - VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET); + vpath = &hldev->virtual_paths[vp_id]; - hw_stats->prog_event_vnum2 = - (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64); + spin_lock_init(&hldev->virtual_paths[vp_id].lock); + vpath->vp_id = vp_id; + vpath->vp_open = VXGE_HW_VP_OPEN; + vpath->hldev = hldev; + vpath->vp_config = config; + vpath->vp_reg = hldev->vpath_reg[vp_id]; + vpath->vpmgmt_reg = hldev->vpmgmt_reg[vp_id]; - hw_stats->prog_event_vnum3 = - (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64); + __vxge_hw_vpath_reset(hldev, vp_id); - val64 = readq(&vp_reg->rx_multi_cast_stats); - hw_stats->rx_multi_cast_frame_discard = - (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64); + status = __vxge_hw_vpath_reset_check(vpath); + if (status != VXGE_HW_OK) { + memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); + goto exit; + } - val64 = readq(&vp_reg->rx_frm_transferred); - hw_stats->rx_frm_transferred = - (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64); + status = __vxge_hw_vpath_mgmt_read(hldev, vpath); + if (status != VXGE_HW_OK) { + memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath)); + goto exit; + } - val64 = readq(&vp_reg->rxd_returned); - hw_stats->rxd_returned = - (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64); + INIT_LIST_HEAD(&vpath->vpath_handles); - val64 = readq(&vp_reg->dbg_stats_rx_mpa); - hw_stats->rx_mpa_len_fail_frms = - (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64); - hw_stats->rx_mpa_mrk_fail_frms = - (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64); - hw_stats->rx_mpa_crc_fail_frms = - (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64); + vpath->sw_stats = &hldev->stats.sw_dev_info_stats.vpath_info[vp_id]; - val64 = readq(&vp_reg->dbg_stats_rx_fau); - hw_stats->rx_permitted_frms = - (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64); - hw_stats->rx_vp_reset_discarded_frms = - (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64); - hw_stats->rx_wol_frms = - (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64); + VXGE_HW_DEVICE_TIM_INT_MASK_SET(hldev->tim_int_mask0, + hldev->tim_int_mask1, vp_id); - val64 = readq(&vp_reg->tx_vp_reset_discarded_frms); - hw_stats->tx_vp_reset_discarded_frms = - (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS( - val64); + status = __vxge_hw_vpath_initialize(hldev, vp_id); + if (status != VXGE_HW_OK) + __vxge_hw_vp_terminate(hldev, vp_id); exit: return status; } - -static void vxge_os_dma_malloc_async(struct pci_dev *pdev, void *devh, - unsigned long size) +/* + * vxge_hw_vpath_mtu_set - Set MTU. + * Set new MTU value. Example, to use jumbo frames: + * vxge_hw_vpath_mtu_set(my_device, 9600); + */ +enum vxge_hw_status +vxge_hw_vpath_mtu_set(struct __vxge_hw_vpath_handle *vp, u32 new_mtu) { - gfp_t flags; - void *vaddr; + u64 val64; + enum vxge_hw_status status = VXGE_HW_OK; + struct __vxge_hw_virtualpath *vpath; - if (in_interrupt()) - flags = GFP_ATOMIC | GFP_DMA; - else - flags = GFP_KERNEL | GFP_DMA; + if (vp == NULL) { + status = VXGE_HW_ERR_INVALID_HANDLE; + goto exit; + } + vpath = vp->vpath; - vaddr = kmalloc((size), flags); + new_mtu += VXGE_HW_MAC_HEADER_MAX_SIZE; - vxge_hw_blockpool_block_add(devh, vaddr, size, pdev, pdev); -} + if ((new_mtu < VXGE_HW_MIN_MTU) || (new_mtu > vpath->max_mtu)) + status = VXGE_HW_ERR_INVALID_MTU_SIZE; -static void vxge_os_dma_free(struct pci_dev *pdev, const void *vaddr, - struct pci_dev **p_dma_acch) -{ - unsigned long misaligned = *(unsigned long *)p_dma_acch; - u8 *tmp = (u8 *)vaddr; - tmp -= misaligned; - kfree((void *)tmp); + val64 = readq(&vpath->vp_reg->rxmac_vcfg0); + + val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff); + val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(new_mtu); + + writeq(val64, &vpath->vp_reg->rxmac_vcfg0); + + vpath->vp_config->mtu = new_mtu - VXGE_HW_MAC_HEADER_MAX_SIZE; + +exit: + return status; } /* - * __vxge_hw_blockpool_create - Create block pool + * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics. + * Enable the DMA vpath statistics. The function is to be called to re-enable + * the adapter to update stats into the host memory */ - static enum vxge_hw_status -__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev, - struct __vxge_hw_blockpool *blockpool, - u32 pool_size, - u32 pool_max) +vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp) { - u32 i; - struct __vxge_hw_blockpool_entry *entry = NULL; - void *memblock; - dma_addr_t dma_addr; - struct pci_dev *dma_handle; - struct pci_dev *acc_handle; enum vxge_hw_status status = VXGE_HW_OK; + struct __vxge_hw_virtualpath *vpath; - if (blockpool == NULL) { - status = VXGE_HW_FAIL; - goto blockpool_create_exit; - } - - blockpool->hldev = hldev; - blockpool->block_size = VXGE_HW_BLOCK_SIZE; - blockpool->pool_size = 0; - blockpool->pool_max = pool_max; - blockpool->req_out = 0; - - INIT_LIST_HEAD(&blockpool->free_block_list); - INIT_LIST_HEAD(&blockpool->free_entry_list); + vpath = vp->vpath; - for (i = 0; i < pool_size + pool_max; i++) { - entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry), - GFP_KERNEL); - if (entry == NULL) { - __vxge_hw_blockpool_destroy(blockpool); - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto blockpool_create_exit; - } - list_add(&entry->item, &blockpool->free_entry_list); + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { + status = VXGE_HW_ERR_VPATH_NOT_OPEN; + goto exit; } - for (i = 0; i < pool_size; i++) { - - memblock = vxge_os_dma_malloc( - hldev->pdev, - VXGE_HW_BLOCK_SIZE, - &dma_handle, - &acc_handle); + memcpy(vpath->hw_stats_sav, vpath->hw_stats, + sizeof(struct vxge_hw_vpath_stats_hw_info)); - if (memblock == NULL) { - __vxge_hw_blockpool_destroy(blockpool); - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto blockpool_create_exit; - } + status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats); +exit: + return status; +} - dma_addr = pci_map_single(hldev->pdev, memblock, - VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL); +/* + * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool + * This function allocates a block from block pool or from the system + */ +static struct __vxge_hw_blockpool_entry * +__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size) +{ + struct __vxge_hw_blockpool_entry *entry = NULL; + struct __vxge_hw_blockpool *blockpool; - if (unlikely(pci_dma_mapping_error(hldev->pdev, - dma_addr))) { + blockpool = &devh->block_pool; - vxge_os_dma_free(hldev->pdev, memblock, &acc_handle); - __vxge_hw_blockpool_destroy(blockpool); - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto blockpool_create_exit; - } + if (size == blockpool->block_size) { - if (!list_empty(&blockpool->free_entry_list)) + if (!list_empty(&blockpool->free_block_list)) entry = (struct __vxge_hw_blockpool_entry *) - list_first_entry(&blockpool->free_entry_list, + list_first_entry(&blockpool->free_block_list, struct __vxge_hw_blockpool_entry, item); - if (entry == NULL) - entry = - kzalloc(sizeof(struct __vxge_hw_blockpool_entry), - GFP_KERNEL); if (entry != NULL) { list_del(&entry->item); - entry->length = VXGE_HW_BLOCK_SIZE; - entry->memblock = memblock; - entry->dma_addr = dma_addr; - entry->acc_handle = acc_handle; - entry->dma_handle = dma_handle; - list_add(&entry->item, - &blockpool->free_block_list); - blockpool->pool_size++; - } else { - __vxge_hw_blockpool_destroy(blockpool); - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto blockpool_create_exit; + blockpool->pool_size--; } } -blockpool_create_exit: - return status; + if (entry != NULL) + __vxge_hw_blockpool_blocks_add(blockpool); + + return entry; } /* - * __vxge_hw_blockpool_destroy - Deallocates the block pool + * vxge_hw_vpath_open - Open a virtual path on a given adapter + * This function is used to open access to virtual path of an + * adapter for offload, GRO operations. This function returns + * synchronously. */ - -static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool) +enum vxge_hw_status +vxge_hw_vpath_open(struct __vxge_hw_device *hldev, + struct vxge_hw_vpath_attr *attr, + struct __vxge_hw_vpath_handle **vpath_handle) { + struct __vxge_hw_virtualpath *vpath; + struct __vxge_hw_vpath_handle *vp; + enum vxge_hw_status status; - struct __vxge_hw_device *hldev; - struct list_head *p, *n; - u16 ret; + vpath = &hldev->virtual_paths[attr->vp_id]; - if (blockpool == NULL) { - ret = 1; - goto exit; + if (vpath->vp_open == VXGE_HW_VP_OPEN) { + status = VXGE_HW_ERR_INVALID_STATE; + goto vpath_open_exit1; } - hldev = blockpool->hldev; - - list_for_each_safe(p, n, &blockpool->free_block_list) { + status = __vxge_hw_vp_initialize(hldev, attr->vp_id, + &hldev->config.vp_config[attr->vp_id]); + if (status != VXGE_HW_OK) + goto vpath_open_exit1; - pci_unmap_single(hldev->pdev, - ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, - ((struct __vxge_hw_blockpool_entry *)p)->length, - PCI_DMA_BIDIRECTIONAL); + vp = vzalloc(sizeof(struct __vxge_hw_vpath_handle)); + if (vp == NULL) { + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto vpath_open_exit2; + } - vxge_os_dma_free(hldev->pdev, - ((struct __vxge_hw_blockpool_entry *)p)->memblock, - &((struct __vxge_hw_blockpool_entry *) p)->acc_handle); + vp->vpath = vpath; - list_del( - &((struct __vxge_hw_blockpool_entry *)p)->item); - kfree(p); - blockpool->pool_size--; + if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) { + status = __vxge_hw_fifo_create(vp, &attr->fifo_attr); + if (status != VXGE_HW_OK) + goto vpath_open_exit6; } - list_for_each_safe(p, n, &blockpool->free_entry_list) { - list_del( - &((struct __vxge_hw_blockpool_entry *)p)->item); - kfree((void *)p); + if (vpath->vp_config->ring.enable == VXGE_HW_RING_ENABLE) { + status = __vxge_hw_ring_create(vp, &attr->ring_attr); + if (status != VXGE_HW_OK) + goto vpath_open_exit7; + + __vxge_hw_vpath_prc_configure(hldev, attr->vp_id); } - ret = 0; -exit: - return; -} -/* - * __vxge_hw_blockpool_blocks_add - Request additional blocks - */ -static -void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool) -{ - u32 nreq = 0, i; + vpath->fifoh->tx_intr_num = + (attr->vp_id * VXGE_HW_MAX_INTR_PER_VP) + + VXGE_HW_VPATH_INTR_TX; - if ((blockpool->pool_size + blockpool->req_out) < - VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) { - nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE; - blockpool->req_out += nreq; + vpath->stats_block = __vxge_hw_blockpool_block_allocate(hldev, + VXGE_HW_BLOCK_SIZE); + if (vpath->stats_block == NULL) { + status = VXGE_HW_ERR_OUT_OF_MEMORY; + goto vpath_open_exit8; } - for (i = 0; i < nreq; i++) - vxge_os_dma_malloc_async( - ((struct __vxge_hw_device *)blockpool->hldev)->pdev, - blockpool->hldev, VXGE_HW_BLOCK_SIZE); -} + vpath->hw_stats = (struct vxge_hw_vpath_stats_hw_info *)vpath-> + stats_block->memblock; + memset(vpath->hw_stats, 0, + sizeof(struct vxge_hw_vpath_stats_hw_info)); -/* - * __vxge_hw_blockpool_blocks_remove - Free additional blocks - */ -static -void __vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool) -{ - struct list_head *p, *n; + hldev->stats.hw_dev_info_stats.vpath_info[attr->vp_id] = + vpath->hw_stats; - list_for_each_safe(p, n, &blockpool->free_block_list) { + vpath->hw_stats_sav = + &hldev->stats.hw_dev_info_stats.vpath_info_sav[attr->vp_id]; + memset(vpath->hw_stats_sav, 0, + sizeof(struct vxge_hw_vpath_stats_hw_info)); - if (blockpool->pool_size < blockpool->pool_max) - break; + writeq(vpath->stats_block->dma_addr, &vpath->vp_reg->stats_cfg); - pci_unmap_single( - ((struct __vxge_hw_device *)blockpool->hldev)->pdev, - ((struct __vxge_hw_blockpool_entry *)p)->dma_addr, - ((struct __vxge_hw_blockpool_entry *)p)->length, - PCI_DMA_BIDIRECTIONAL); + status = vxge_hw_vpath_stats_enable(vp); + if (status != VXGE_HW_OK) + goto vpath_open_exit8; - vxge_os_dma_free( - ((struct __vxge_hw_device *)blockpool->hldev)->pdev, - ((struct __vxge_hw_blockpool_entry *)p)->memblock, - &((struct __vxge_hw_blockpool_entry *)p)->acc_handle); + list_add(&vp->item, &vpath->vpath_handles); - list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); + hldev->vpaths_deployed |= vxge_mBIT(vpath->vp_id); - list_add(p, &blockpool->free_entry_list); + *vpath_handle = vp; - blockpool->pool_size--; + attr->fifo_attr.userdata = vpath->fifoh; + attr->ring_attr.userdata = vpath->ringh; - } + return VXGE_HW_OK; + +vpath_open_exit8: + if (vpath->ringh != NULL) + __vxge_hw_ring_delete(vp); +vpath_open_exit7: + if (vpath->fifoh != NULL) + __vxge_hw_fifo_delete(vp); +vpath_open_exit6: + vfree(vp); +vpath_open_exit2: + __vxge_hw_vp_terminate(hldev, attr->vp_id); +vpath_open_exit1: + + return status; } -/* - * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async - * Adds a block to block pool +/** + * vxge_hw_vpath_rx_doorbell_post - Close the handle got from previous vpath + * (vpath) open + * @vp: Handle got from previous vpath open + * + * This function is used to close access to virtual path opened + * earlier. */ -static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, - void *block_addr, - u32 length, - struct pci_dev *dma_h, - struct pci_dev *acc_handle) +void vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp) { - struct __vxge_hw_blockpool *blockpool; - struct __vxge_hw_blockpool_entry *entry = NULL; - dma_addr_t dma_addr; - enum vxge_hw_status status = VXGE_HW_OK; - u32 req_out; + struct __vxge_hw_virtualpath *vpath = vp->vpath; + struct __vxge_hw_ring *ring = vpath->ringh; + struct vxgedev *vdev = netdev_priv(vpath->hldev->ndev); + u64 new_count, val64, val164; - blockpool = &devh->block_pool; + if (vdev->titan1) { + new_count = readq(&vpath->vp_reg->rxdmem_size); + new_count &= 0x1fff; + } else + new_count = ring->config->ring_blocks * VXGE_HW_BLOCK_SIZE / 8; - if (block_addr == NULL) { - blockpool->req_out--; - status = VXGE_HW_FAIL; - goto exit; - } + val164 = VXGE_HW_RXDMEM_SIZE_PRC_RXDMEM_SIZE(new_count); - dma_addr = pci_map_single(devh->pdev, block_addr, length, - PCI_DMA_BIDIRECTIONAL); + writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(val164), + &vpath->vp_reg->prc_rxd_doorbell); + readl(&vpath->vp_reg->prc_rxd_doorbell); - if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) { + val164 /= 2; + val64 = readq(&vpath->vp_reg->prc_cfg6); + val64 = VXGE_HW_PRC_CFG6_RXD_SPAT(val64); + val64 &= 0x1ff; - vxge_os_dma_free(devh->pdev, block_addr, &acc_handle); - blockpool->req_out--; - status = VXGE_HW_FAIL; - goto exit; - } + /* + * Each RxD is of 4 qwords + */ + new_count -= (val64 + 1); + val64 = min(val164, new_count) / 4; + ring->rxds_limit = min(ring->rxds_limit, val64); + if (ring->rxds_limit < 4) + ring->rxds_limit = 4; +} - if (!list_empty(&blockpool->free_entry_list)) - entry = (struct __vxge_hw_blockpool_entry *) - list_first_entry(&blockpool->free_entry_list, - struct __vxge_hw_blockpool_entry, - item); +/* + * __vxge_hw_blockpool_block_free - Frees a block from block pool + * @devh: Hal device + * @entry: Entry of block to be freed + * + * This function frees a block from block pool + */ +static void +__vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh, + struct __vxge_hw_blockpool_entry *entry) +{ + struct __vxge_hw_blockpool *blockpool; - if (entry == NULL) - entry = vmalloc(sizeof(struct __vxge_hw_blockpool_entry)); - else - list_del(&entry->item); + blockpool = &devh->block_pool; - if (entry != NULL) { - entry->length = length; - entry->memblock = block_addr; - entry->dma_addr = dma_addr; - entry->acc_handle = acc_handle; - entry->dma_handle = dma_h; + if (entry->length == blockpool->block_size) { list_add(&entry->item, &blockpool->free_block_list); blockpool->pool_size++; - status = VXGE_HW_OK; - } else - status = VXGE_HW_ERR_OUT_OF_MEMORY; - - blockpool->req_out--; + } - req_out = blockpool->req_out; -exit: - return; + __vxge_hw_blockpool_blocks_remove(blockpool); } /* - * __vxge_hw_blockpool_malloc - Allocate a memory block from pool - * Allocates a block of memory of given size, either from block pool - * or by calling vxge_os_dma_malloc() + * vxge_hw_vpath_close - Close the handle got from previous vpath (vpath) open + * This function is used to close access to virtual path opened + * earlier. */ -static void * -__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, - struct vxge_hw_mempool_dma *dma_object) +enum vxge_hw_status vxge_hw_vpath_close(struct __vxge_hw_vpath_handle *vp) { - struct __vxge_hw_blockpool_entry *entry = NULL; - struct __vxge_hw_blockpool *blockpool; - void *memblock = NULL; + struct __vxge_hw_virtualpath *vpath = NULL; + struct __vxge_hw_device *devh = NULL; + u32 vp_id = vp->vpath->vp_id; + u32 is_empty = TRUE; enum vxge_hw_status status = VXGE_HW_OK; - blockpool = &devh->block_pool; + vpath = vp->vpath; + devh = vpath->hldev; - if (size != blockpool->block_size) { + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { + status = VXGE_HW_ERR_VPATH_NOT_OPEN; + goto vpath_close_exit; + } - memblock = vxge_os_dma_malloc(devh->pdev, size, - &dma_object->handle, - &dma_object->acc_handle); + list_del(&vp->item); - if (memblock == NULL) { - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto exit; - } + if (!list_empty(&vpath->vpath_handles)) { + list_add(&vp->item, &vpath->vpath_handles); + is_empty = FALSE; + } - dma_object->addr = pci_map_single(devh->pdev, memblock, size, - PCI_DMA_BIDIRECTIONAL); + if (!is_empty) { + status = VXGE_HW_FAIL; + goto vpath_close_exit; + } - if (unlikely(pci_dma_mapping_error(devh->pdev, - dma_object->addr))) { - vxge_os_dma_free(devh->pdev, memblock, - &dma_object->acc_handle); - status = VXGE_HW_ERR_OUT_OF_MEMORY; - goto exit; - } + devh->vpaths_deployed &= ~vxge_mBIT(vp_id); - } else { + if (vpath->ringh != NULL) + __vxge_hw_ring_delete(vp); - if (!list_empty(&blockpool->free_block_list)) - entry = (struct __vxge_hw_blockpool_entry *) - list_first_entry(&blockpool->free_block_list, - struct __vxge_hw_blockpool_entry, - item); + if (vpath->fifoh != NULL) + __vxge_hw_fifo_delete(vp); - if (entry != NULL) { - list_del(&entry->item); - dma_object->addr = entry->dma_addr; - dma_object->handle = entry->dma_handle; - dma_object->acc_handle = entry->acc_handle; - memblock = entry->memblock; + if (vpath->stats_block != NULL) + __vxge_hw_blockpool_block_free(devh, vpath->stats_block); - list_add(&entry->item, - &blockpool->free_entry_list); - blockpool->pool_size--; - } + vfree(vp); - if (memblock != NULL) - __vxge_hw_blockpool_blocks_add(blockpool); - } -exit: - return memblock; + __vxge_hw_vp_terminate(devh, vp_id); + + spin_lock(&vpath->lock); + vpath->vp_open = VXGE_HW_VP_NOT_OPEN; + spin_unlock(&vpath->lock); + +vpath_close_exit: + return status; } /* - * __vxge_hw_blockpool_free - Frees the memory allcoated with - __vxge_hw_blockpool_malloc + * vxge_hw_vpath_reset - Resets vpath + * This function is used to request a reset of vpath */ -static void -__vxge_hw_blockpool_free(struct __vxge_hw_device *devh, - void *memblock, u32 size, - struct vxge_hw_mempool_dma *dma_object) +enum vxge_hw_status vxge_hw_vpath_reset(struct __vxge_hw_vpath_handle *vp) { - struct __vxge_hw_blockpool_entry *entry = NULL; - struct __vxge_hw_blockpool *blockpool; - enum vxge_hw_status status = VXGE_HW_OK; - - blockpool = &devh->block_pool; - - if (size != blockpool->block_size) { - pci_unmap_single(devh->pdev, dma_object->addr, size, - PCI_DMA_BIDIRECTIONAL); - vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle); - } else { - - if (!list_empty(&blockpool->free_entry_list)) - entry = (struct __vxge_hw_blockpool_entry *) - list_first_entry(&blockpool->free_entry_list, - struct __vxge_hw_blockpool_entry, - item); - - if (entry == NULL) - entry = vmalloc(sizeof( - struct __vxge_hw_blockpool_entry)); - else - list_del(&entry->item); + enum vxge_hw_status status; + u32 vp_id; + struct __vxge_hw_virtualpath *vpath = vp->vpath; - if (entry != NULL) { - entry->length = size; - entry->memblock = memblock; - entry->dma_addr = dma_object->addr; - entry->acc_handle = dma_object->acc_handle; - entry->dma_handle = dma_object->handle; - list_add(&entry->item, - &blockpool->free_block_list); - blockpool->pool_size++; - status = VXGE_HW_OK; - } else - status = VXGE_HW_ERR_OUT_OF_MEMORY; + vp_id = vpath->vp_id; - if (status == VXGE_HW_OK) - __vxge_hw_blockpool_blocks_remove(blockpool); + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { + status = VXGE_HW_ERR_VPATH_NOT_OPEN; + goto exit; } + + status = __vxge_hw_vpath_reset(vpath->hldev, vp_id); + if (status == VXGE_HW_OK) + vpath->sw_stats->soft_reset_cnt++; +exit: + return status; } /* - * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool - * This function allocates a block from block pool or from the system + * vxge_hw_vpath_recover_from_reset - Poll for reset complete and re-initialize. + * This function poll's for the vpath reset completion and re initializes + * the vpath. */ -static struct __vxge_hw_blockpool_entry * -__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size) +enum vxge_hw_status +vxge_hw_vpath_recover_from_reset(struct __vxge_hw_vpath_handle *vp) { - struct __vxge_hw_blockpool_entry *entry = NULL; - struct __vxge_hw_blockpool *blockpool; + struct __vxge_hw_virtualpath *vpath = NULL; + enum vxge_hw_status status; + struct __vxge_hw_device *hldev; + u32 vp_id; - blockpool = &devh->block_pool; + vp_id = vp->vpath->vp_id; + vpath = vp->vpath; + hldev = vpath->hldev; - if (size == blockpool->block_size) { + if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) { + status = VXGE_HW_ERR_VPATH_NOT_OPEN; + goto exit; + } - if (!list_empty(&blockpool->free_block_list)) - entry = (struct __vxge_hw_blockpool_entry *) - list_first_entry(&blockpool->free_block_list, - struct __vxge_hw_blockpool_entry, - item); + status = __vxge_hw_vpath_reset_check(vpath); + if (status != VXGE_HW_OK) + goto exit; - if (entry != NULL) { - list_del(&entry->item); - blockpool->pool_size--; - } - } + status = __vxge_hw_vpath_sw_reset(hldev, vp_id); + if (status != VXGE_HW_OK) + goto exit; - if (entry != NULL) - __vxge_hw_blockpool_blocks_add(blockpool); + status = __vxge_hw_vpath_initialize(hldev, vp_id); + if (status != VXGE_HW_OK) + goto exit; - return entry; + if (vpath->ringh != NULL) + __vxge_hw_vpath_prc_configure(hldev, vp_id); + + memset(vpath->hw_stats, 0, + sizeof(struct vxge_hw_vpath_stats_hw_info)); + + memset(vpath->hw_stats_sav, 0, + sizeof(struct vxge_hw_vpath_stats_hw_info)); + + writeq(vpath->stats_block->dma_addr, + &vpath->vp_reg->stats_cfg); + + status = vxge_hw_vpath_stats_enable(vp); + +exit: + return status; } /* - * __vxge_hw_blockpool_block_free - Frees a block from block pool - * @devh: Hal device - * @entry: Entry of block to be freed - * - * This function frees a block from block pool + * vxge_hw_vpath_enable - Enable vpath. + * This routine clears the vpath reset thereby enabling a vpath + * to start forwarding frames and generating interrupts. */ -static void -__vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh, - struct __vxge_hw_blockpool_entry *entry) +void +vxge_hw_vpath_enable(struct __vxge_hw_vpath_handle *vp) { - struct __vxge_hw_blockpool *blockpool; + struct __vxge_hw_device *hldev; + u64 val64; - blockpool = &devh->block_pool; + hldev = vp->vpath->hldev; - if (entry->length == blockpool->block_size) { - list_add(&entry->item, &blockpool->free_block_list); - blockpool->pool_size++; - } + val64 = VXGE_HW_CMN_RSTHDLR_CFG1_CLR_VPATH_RESET( + 1 << (16 - vp->vpath->vp_id)); - __vxge_hw_blockpool_blocks_remove(blockpool); + __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), + &hldev->common_reg->cmn_rsthdlr_cfg1); } diff --git a/drivers/net/vxge/vxge-config.h b/drivers/net/vxge/vxge-config.h index 5b2c8313426d..e249e288d160 100644 --- a/drivers/net/vxge/vxge-config.h +++ b/drivers/net/vxge/vxge-config.h @@ -314,9 +314,9 @@ struct vxge_hw_ring_config { #define VXGE_HW_RING_DEFAULT 1 u32 ring_blocks; -#define VXGE_HW_MIN_RING_BLOCKS 1 -#define VXGE_HW_MAX_RING_BLOCKS 128 -#define VXGE_HW_DEF_RING_BLOCKS 2 +#define VXGE_HW_MIN_RING_BLOCKS 1 +#define VXGE_HW_MAX_RING_BLOCKS 128 +#define VXGE_HW_DEF_RING_BLOCKS 2 u32 buffer_mode; #define VXGE_HW_RING_RXD_BUFFER_MODE_1 1 @@ -700,7 +700,7 @@ struct __vxge_hw_virtualpath { * * This structure is used to store the callback information. */ -struct __vxge_hw_vpath_handle{ +struct __vxge_hw_vpath_handle { struct list_head item; struct __vxge_hw_virtualpath *vpath; }; @@ -815,8 +815,8 @@ struct vxge_hw_device_hw_info { u8 serial_number[VXGE_HW_INFO_LEN]; u8 part_number[VXGE_HW_INFO_LEN]; u8 product_desc[VXGE_HW_INFO_LEN]; - u8 (mac_addrs)[VXGE_HW_MAX_VIRTUAL_PATHS][ETH_ALEN]; - u8 (mac_addr_masks)[VXGE_HW_MAX_VIRTUAL_PATHS][ETH_ALEN]; + u8 mac_addrs[VXGE_HW_MAX_VIRTUAL_PATHS][ETH_ALEN]; + u8 mac_addr_masks[VXGE_HW_MAX_VIRTUAL_PATHS][ETH_ALEN]; }; /** @@ -863,20 +863,10 @@ struct vxge_hw_device_attr { loc, \ offset, \ &val64); \ - \ if (status != VXGE_HW_OK) \ return status; \ } -#define VXGE_HW_VPATH_STATS_PIO_READ(offset) { \ - status = __vxge_hw_vpath_stats_access(vpath, \ - VXGE_HW_STATS_OP_READ, \ - offset, \ - &val64); \ - if (status != VXGE_HW_OK) \ - return status; \ -} - /* * struct __vxge_hw_ring - Ring channel. * @channel: Channel "base" of this ring, the common part of all HW @@ -1148,7 +1138,7 @@ struct __vxge_hw_non_offload_db_wrapper { * lookup to determine the transmit port. * 01: Send on physical Port1. * 10: Send on physical Port0. - * 11: Send on both ports. + * 11: Send on both ports. * Bits 18 to 21 - Reserved * Bits 22 to 23 - Gather_Code. This field is set by the host and * is used to describe how individual buffers comprise a frame. @@ -1927,6 +1917,15 @@ out: return vaddr; } +static inline void vxge_os_dma_free(struct pci_dev *pdev, const void *vaddr, + struct pci_dev **p_dma_acch) +{ + unsigned long misaligned = *(unsigned long *)p_dma_acch; + u8 *tmp = (u8 *)vaddr; + tmp -= misaligned; + kfree((void *)tmp); +} + /* * __vxge_hw_mempool_item_priv - will return pointer on per item private space */ @@ -1996,7 +1995,6 @@ enum vxge_hw_status vxge_hw_vpath_mtu_set( void vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp); - #ifndef readq static inline u64 readq(void __iomem *addr) { diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c index 4877b3b8a29e..70c327910f09 100644 --- a/drivers/net/vxge/vxge-main.c +++ b/drivers/net/vxge/vxge-main.c @@ -84,15 +84,6 @@ module_param_array(bw_percentage, uint, NULL, 0); static struct vxge_drv_config *driver_config; -static enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev, - struct macInfo *mac); -static enum vxge_hw_status vxge_del_mac_addr(struct vxgedev *vdev, - struct macInfo *mac); -static int vxge_mac_list_add(struct vxge_vpath *vpath, struct macInfo *mac); -static int vxge_mac_list_del(struct vxge_vpath *vpath, struct macInfo *mac); -static enum vxge_hw_status vxge_restore_vpath_vid_table(struct vxge_vpath *vpath); -static enum vxge_hw_status vxge_restore_vpath_mac_addr(struct vxge_vpath *vpath); - static inline int is_vxge_card_up(struct vxgedev *vdev) { return test_bit(__VXGE_STATE_CARD_UP, &vdev->state); @@ -149,8 +140,7 @@ static inline void VXGE_COMPLETE_ALL_RX(struct vxgedev *vdev) * This function is called during interrupt context to notify link up state * change. */ -static void -vxge_callback_link_up(struct __vxge_hw_device *hldev) +static void vxge_callback_link_up(struct __vxge_hw_device *hldev) { struct net_device *dev = hldev->ndev; struct vxgedev *vdev = netdev_priv(dev); @@ -173,8 +163,7 @@ vxge_callback_link_up(struct __vxge_hw_device *hldev) * This function is called during interrupt context to notify link down state * change. */ -static void -vxge_callback_link_down(struct __vxge_hw_device *hldev) +static void vxge_callback_link_down(struct __vxge_hw_device *hldev) { struct net_device *dev = hldev->ndev; struct vxgedev *vdev = netdev_priv(dev); @@ -196,7 +185,7 @@ vxge_callback_link_down(struct __vxge_hw_device *hldev) * * Allocate SKB. */ -static struct sk_buff* +static struct sk_buff * vxge_rx_alloc(void *dtrh, struct vxge_ring *ring, const int skb_size) { struct net_device *dev; @@ -414,7 +403,6 @@ vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr, prefetch((char *)skb + L1_CACHE_BYTES); if (unlikely(t_code)) { - if (vxge_hw_ring_handle_tcode(ringh, dtr, t_code) != VXGE_HW_OK) { @@ -437,9 +425,7 @@ vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr, } if (pkt_length > VXGE_LL_RX_COPY_THRESHOLD) { - if (vxge_rx_alloc(dtr, ring, data_size) != NULL) { - if (!vxge_rx_map(dtr, ring)) { skb_put(skb, pkt_length); @@ -678,6 +664,65 @@ static enum vxge_hw_status vxge_search_mac_addr_in_list( return FALSE; } +static int vxge_mac_list_add(struct vxge_vpath *vpath, struct macInfo *mac) +{ + struct vxge_mac_addrs *new_mac_entry; + u8 *mac_address = NULL; + + if (vpath->mac_addr_cnt >= VXGE_MAX_LEARN_MAC_ADDR_CNT) + return TRUE; + + new_mac_entry = kzalloc(sizeof(struct vxge_mac_addrs), GFP_ATOMIC); + if (!new_mac_entry) { + vxge_debug_mem(VXGE_ERR, + "%s: memory allocation failed", + VXGE_DRIVER_NAME); + return FALSE; + } + + list_add(&new_mac_entry->item, &vpath->mac_addr_list); + + /* Copy the new mac address to the list */ + mac_address = (u8 *)&new_mac_entry->macaddr; + memcpy(mac_address, mac->macaddr, ETH_ALEN); + + new_mac_entry->state = mac->state; + vpath->mac_addr_cnt++; + + /* Is this a multicast address */ + if (0x01 & mac->macaddr[0]) + vpath->mcast_addr_cnt++; + + return TRUE; +} + +/* Add a mac address to DA table */ +static enum vxge_hw_status +vxge_add_mac_addr(struct vxgedev *vdev, struct macInfo *mac) +{ + enum vxge_hw_status status = VXGE_HW_OK; + struct vxge_vpath *vpath; + enum vxge_hw_vpath_mac_addr_add_mode duplicate_mode; + + if (0x01 & mac->macaddr[0]) /* multicast address */ + duplicate_mode = VXGE_HW_VPATH_MAC_ADDR_ADD_DUPLICATE; + else + duplicate_mode = VXGE_HW_VPATH_MAC_ADDR_REPLACE_DUPLICATE; + + vpath = &vdev->vpaths[mac->vpath_no]; + status = vxge_hw_vpath_mac_addr_add(vpath->handle, mac->macaddr, + mac->macmask, duplicate_mode); + if (status != VXGE_HW_OK) { + vxge_debug_init(VXGE_ERR, + "DA config add entry failed for vpath:%d", + vpath->device_id); + } else + if (FALSE == vxge_mac_list_add(vpath, mac)) + status = -EPERM; + + return status; +} + static int vxge_learn_mac(struct vxgedev *vdev, u8 *mac_header) { struct macInfo mac_info; @@ -1023,6 +1068,50 @@ vxge_tx_term(void *dtrh, enum vxge_hw_txdl_state state, void *userdata) "%s:%d Exiting...", __func__, __LINE__); } +static int vxge_mac_list_del(struct vxge_vpath *vpath, struct macInfo *mac) +{ + struct list_head *entry, *next; + u64 del_mac = 0; + u8 *mac_address = (u8 *) (&del_mac); + + /* Copy the mac address to delete from the list */ + memcpy(mac_address, mac->macaddr, ETH_ALEN); + + list_for_each_safe(entry, next, &vpath->mac_addr_list) { + if (((struct vxge_mac_addrs *)entry)->macaddr == del_mac) { + list_del(entry); + kfree((struct vxge_mac_addrs *)entry); + vpath->mac_addr_cnt--; + + /* Is this a multicast address */ + if (0x01 & mac->macaddr[0]) + vpath->mcast_addr_cnt--; + return TRUE; + } + } + + return FALSE; +} + +/* delete a mac address from DA table */ +static enum vxge_hw_status +vxge_del_mac_addr(struct vxgedev *vdev, struct macInfo *mac) +{ + enum vxge_hw_status status = VXGE_HW_OK; + struct vxge_vpath *vpath; + + vpath = &vdev->vpaths[mac->vpath_no]; + status = vxge_hw_vpath_mac_addr_delete(vpath->handle, mac->macaddr, + mac->macmask); + if (status != VXGE_HW_OK) { + vxge_debug_init(VXGE_ERR, + "DA config delete entry failed for vpath:%d", + vpath->device_id); + } else + vxge_mac_list_del(vpath, mac); + return status; +} + /** * vxge_set_multicast * @dev: pointer to the device structure @@ -1333,6 +1422,95 @@ static void vxge_vpath_intr_disable(struct vxgedev *vdev, int vp_id) } } +/* list all mac addresses from DA table */ +static enum vxge_hw_status +vxge_search_mac_addr_in_da_table(struct vxge_vpath *vpath, struct macInfo *mac) +{ + enum vxge_hw_status status = VXGE_HW_OK; + unsigned char macmask[ETH_ALEN]; + unsigned char macaddr[ETH_ALEN]; + + status = vxge_hw_vpath_mac_addr_get(vpath->handle, + macaddr, macmask); + if (status != VXGE_HW_OK) { + vxge_debug_init(VXGE_ERR, + "DA config list entry failed for vpath:%d", + vpath->device_id); + return status; + } + + while (memcmp(mac->macaddr, macaddr, ETH_ALEN)) { + status = vxge_hw_vpath_mac_addr_get_next(vpath->handle, + macaddr, macmask); + if (status != VXGE_HW_OK) + break; + } + + return status; +} + +/* Store all mac addresses from the list to the DA table */ +static enum vxge_hw_status vxge_restore_vpath_mac_addr(struct vxge_vpath *vpath) +{ + enum vxge_hw_status status = VXGE_HW_OK; + struct macInfo mac_info; + u8 *mac_address = NULL; + struct list_head *entry, *next; + + memset(&mac_info, 0, sizeof(struct macInfo)); + + if (vpath->is_open) { + list_for_each_safe(entry, next, &vpath->mac_addr_list) { + mac_address = + (u8 *)& + ((struct vxge_mac_addrs *)entry)->macaddr; + memcpy(mac_info.macaddr, mac_address, ETH_ALEN); + ((struct vxge_mac_addrs *)entry)->state = + VXGE_LL_MAC_ADDR_IN_DA_TABLE; + /* does this mac address already exist in da table? */ + status = vxge_search_mac_addr_in_da_table(vpath, + &mac_info); + if (status != VXGE_HW_OK) { + /* Add this mac address to the DA table */ + status = vxge_hw_vpath_mac_addr_add( + vpath->handle, mac_info.macaddr, + mac_info.macmask, + VXGE_HW_VPATH_MAC_ADDR_ADD_DUPLICATE); + if (status != VXGE_HW_OK) { + vxge_debug_init(VXGE_ERR, + "DA add entry failed for vpath:%d", + vpath->device_id); + ((struct vxge_mac_addrs *)entry)->state + = VXGE_LL_MAC_ADDR_IN_LIST; + } + } + } + } + + return status; +} + +/* Store all vlan ids from the list to the vid table */ +static enum vxge_hw_status +vxge_restore_vpath_vid_table(struct vxge_vpath *vpath) +{ + enum vxge_hw_status status = VXGE_HW_OK; + struct vxgedev *vdev = vpath->vdev; + u16 vid; + + if (vdev->vlgrp && vpath->is_open) { + + for (vid = 0; vid < VLAN_N_VID; vid++) { + if (!vlan_group_get_device(vdev->vlgrp, vid)) + continue; + /* Add these vlan to the vid table */ + status = vxge_hw_vpath_vid_add(vpath->handle, vid); + } + } + + return status; +} + /* * vxge_reset_vpath * @vdev: pointer to vdev @@ -1745,7 +1923,6 @@ static enum vxge_hw_status vxge_rth_configure(struct vxgedev *vdev) vdev->config.rth_algorithm, &hash_types, vdev->config.rth_bkt_sz); - if (status != VXGE_HW_OK) { vxge_debug_init(VXGE_ERR, "RTH configuration failed for vpath:%d", @@ -1757,199 +1934,6 @@ static enum vxge_hw_status vxge_rth_configure(struct vxgedev *vdev) return status; } -static int vxge_mac_list_add(struct vxge_vpath *vpath, struct macInfo *mac) -{ - struct vxge_mac_addrs *new_mac_entry; - u8 *mac_address = NULL; - - if (vpath->mac_addr_cnt >= VXGE_MAX_LEARN_MAC_ADDR_CNT) - return TRUE; - - new_mac_entry = kzalloc(sizeof(struct vxge_mac_addrs), GFP_ATOMIC); - if (!new_mac_entry) { - vxge_debug_mem(VXGE_ERR, - "%s: memory allocation failed", - VXGE_DRIVER_NAME); - return FALSE; - } - - list_add(&new_mac_entry->item, &vpath->mac_addr_list); - - /* Copy the new mac address to the list */ - mac_address = (u8 *)&new_mac_entry->macaddr; - memcpy(mac_address, mac->macaddr, ETH_ALEN); - - new_mac_entry->state = mac->state; - vpath->mac_addr_cnt++; - - /* Is this a multicast address */ - if (0x01 & mac->macaddr[0]) - vpath->mcast_addr_cnt++; - - return TRUE; -} - -/* Add a mac address to DA table */ -static enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev, - struct macInfo *mac) -{ - enum vxge_hw_status status = VXGE_HW_OK; - struct vxge_vpath *vpath; - enum vxge_hw_vpath_mac_addr_add_mode duplicate_mode; - - if (0x01 & mac->macaddr[0]) /* multicast address */ - duplicate_mode = VXGE_HW_VPATH_MAC_ADDR_ADD_DUPLICATE; - else - duplicate_mode = VXGE_HW_VPATH_MAC_ADDR_REPLACE_DUPLICATE; - - vpath = &vdev->vpaths[mac->vpath_no]; - status = vxge_hw_vpath_mac_addr_add(vpath->handle, mac->macaddr, - mac->macmask, duplicate_mode); - if (status != VXGE_HW_OK) { - vxge_debug_init(VXGE_ERR, - "DA config add entry failed for vpath:%d", - vpath->device_id); - } else - if (FALSE == vxge_mac_list_add(vpath, mac)) - status = -EPERM; - - return status; -} - -static int vxge_mac_list_del(struct vxge_vpath *vpath, struct macInfo *mac) -{ - struct list_head *entry, *next; - u64 del_mac = 0; - u8 *mac_address = (u8 *)(&del_mac); - - /* Copy the mac address to delete from the list */ - memcpy(mac_address, mac->macaddr, ETH_ALEN); - - list_for_each_safe(entry, next, &vpath->mac_addr_list) { - if (((struct vxge_mac_addrs *)entry)->macaddr == del_mac) { - list_del(entry); - kfree((struct vxge_mac_addrs *)entry); - vpath->mac_addr_cnt--; - - /* Is this a multicast address */ - if (0x01 & mac->macaddr[0]) - vpath->mcast_addr_cnt--; - return TRUE; - } - } - - return FALSE; -} -/* delete a mac address from DA table */ -static enum vxge_hw_status vxge_del_mac_addr(struct vxgedev *vdev, - struct macInfo *mac) -{ - enum vxge_hw_status status = VXGE_HW_OK; - struct vxge_vpath *vpath; - - vpath = &vdev->vpaths[mac->vpath_no]; - status = vxge_hw_vpath_mac_addr_delete(vpath->handle, mac->macaddr, - mac->macmask); - if (status != VXGE_HW_OK) { - vxge_debug_init(VXGE_ERR, - "DA config delete entry failed for vpath:%d", - vpath->device_id); - } else - vxge_mac_list_del(vpath, mac); - return status; -} - -/* list all mac addresses from DA table */ -enum vxge_hw_status -static vxge_search_mac_addr_in_da_table(struct vxge_vpath *vpath, - struct macInfo *mac) -{ - enum vxge_hw_status status = VXGE_HW_OK; - unsigned char macmask[ETH_ALEN]; - unsigned char macaddr[ETH_ALEN]; - - status = vxge_hw_vpath_mac_addr_get(vpath->handle, - macaddr, macmask); - if (status != VXGE_HW_OK) { - vxge_debug_init(VXGE_ERR, - "DA config list entry failed for vpath:%d", - vpath->device_id); - return status; - } - - while (memcmp(mac->macaddr, macaddr, ETH_ALEN)) { - - status = vxge_hw_vpath_mac_addr_get_next(vpath->handle, - macaddr, macmask); - if (status != VXGE_HW_OK) - break; - } - - return status; -} - -/* Store all vlan ids from the list to the vid table */ -static enum vxge_hw_status vxge_restore_vpath_vid_table(struct vxge_vpath *vpath) -{ - enum vxge_hw_status status = VXGE_HW_OK; - struct vxgedev *vdev = vpath->vdev; - u16 vid; - - if (vdev->vlgrp && vpath->is_open) { - - for (vid = 0; vid < VLAN_N_VID; vid++) { - if (!vlan_group_get_device(vdev->vlgrp, vid)) - continue; - /* Add these vlan to the vid table */ - status = vxge_hw_vpath_vid_add(vpath->handle, vid); - } - } - - return status; -} - -/* Store all mac addresses from the list to the DA table */ -static enum vxge_hw_status vxge_restore_vpath_mac_addr(struct vxge_vpath *vpath) -{ - enum vxge_hw_status status = VXGE_HW_OK; - struct macInfo mac_info; - u8 *mac_address = NULL; - struct list_head *entry, *next; - - memset(&mac_info, 0, sizeof(struct macInfo)); - - if (vpath->is_open) { - - list_for_each_safe(entry, next, &vpath->mac_addr_list) { - mac_address = - (u8 *)& - ((struct vxge_mac_addrs *)entry)->macaddr; - memcpy(mac_info.macaddr, mac_address, ETH_ALEN); - ((struct vxge_mac_addrs *)entry)->state = - VXGE_LL_MAC_ADDR_IN_DA_TABLE; - /* does this mac address already exist in da table? */ - status = vxge_search_mac_addr_in_da_table(vpath, - &mac_info); - if (status != VXGE_HW_OK) { - /* Add this mac address to the DA table */ - status = vxge_hw_vpath_mac_addr_add( - vpath->handle, mac_info.macaddr, - mac_info.macmask, - VXGE_HW_VPATH_MAC_ADDR_ADD_DUPLICATE); - if (status != VXGE_HW_OK) { - vxge_debug_init(VXGE_ERR, - "DA add entry failed for vpath:%d", - vpath->device_id); - ((struct vxge_mac_addrs *)entry)->state - = VXGE_LL_MAC_ADDR_IN_LIST; - } - } - } - } - - return status; -} - /* reset vpaths */ enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev) { @@ -2042,6 +2026,7 @@ static int vxge_open_vpaths(struct vxgedev *vdev) vpath->ring.ndev = vdev->ndev; vpath->ring.pdev = vdev->pdev; + status = vxge_hw_vpath_open(vdev->devh, &attr, &vpath->handle); if (status == VXGE_HW_OK) { vpath->fifo.handle = @@ -2070,11 +2055,10 @@ static int vxge_open_vpaths(struct vxgedev *vdev) vdev->stats.vpaths_open++; } else { vdev->stats.vpath_open_fail++; - vxge_debug_init(VXGE_ERR, - "%s: vpath: %d failed to open " - "with status: %d", - vdev->ndev->name, vpath->device_id, - status); + vxge_debug_init(VXGE_ERR, "%s: vpath: %d failed to " + "open with status: %d", + vdev->ndev->name, vpath->device_id, + status); vxge_close_vpaths(vdev, 0); return -EPERM; } @@ -2082,6 +2066,7 @@ static int vxge_open_vpaths(struct vxgedev *vdev) vp_id = vpath->handle->vpath->vp_id; vdev->vpaths_deployed |= vxge_mBIT(vp_id); } + return VXGE_HW_OK; } @@ -2114,8 +2099,7 @@ static irqreturn_t vxge_isr_napi(int irq, void *dev_id) if (unlikely(!is_vxge_card_up(vdev))) return IRQ_HANDLED; - status = vxge_hw_device_begin_irq(hldev, vdev->exec_mode, - &reason); + status = vxge_hw_device_begin_irq(hldev, vdev->exec_mode, &reason); if (status == VXGE_HW_OK) { vxge_hw_device_mask_all(hldev); @@ -2568,8 +2552,7 @@ static void vxge_poll_vp_lockup(unsigned long data) * Return value: '0' on success and an appropriate (-)ve integer as * defined in errno.h file on failure. */ -static int -vxge_open(struct net_device *dev) +static int vxge_open(struct net_device *dev) { enum vxge_hw_status status; struct vxgedev *vdev; @@ -2578,6 +2561,7 @@ vxge_open(struct net_device *dev) int ret = 0; int i; u64 val64, function_mode; + vxge_debug_entryexit(VXGE_TRACE, "%s: %s:%d", dev->name, __func__, __LINE__); @@ -2830,7 +2814,6 @@ static int do_vxge_close(struct net_device *dev, int do_io) struct vxge_hw_mrpcim_reg, rts_mgr_cbasin_cfg), &val64); - if (status == VXGE_HW_OK) { val64 &= ~vpath_vector; status = vxge_hw_mgmt_reg_write(vdev->devh, @@ -2914,8 +2897,7 @@ static int do_vxge_close(struct net_device *dev, int do_io) * Return value: '0' on success and an appropriate (-)ve integer as * defined in errno.h file on failure. */ -static int -vxge_close(struct net_device *dev) +static int vxge_close(struct net_device *dev) { do_vxge_close(dev, 1); return 0; @@ -2989,9 +2971,7 @@ vxge_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats) net_stats->rx_bytes += vdev->vpaths[k].ring.stats.rx_bytes; net_stats->rx_errors += vdev->vpaths[k].ring.stats.rx_errors; net_stats->multicast += vdev->vpaths[k].ring.stats.rx_mcast; - net_stats->rx_dropped += - vdev->vpaths[k].ring.stats.rx_dropped; - + net_stats->rx_dropped += vdev->vpaths[k].ring.stats.rx_dropped; net_stats->tx_packets += vdev->vpaths[k].fifo.stats.tx_frms; net_stats->tx_bytes += vdev->vpaths[k].fifo.stats.tx_bytes; net_stats->tx_errors += vdev->vpaths[k].fifo.stats.tx_errors; @@ -3264,15 +3244,12 @@ static const struct net_device_ops vxge_netdev_ops = { .ndo_start_xmit = vxge_xmit, .ndo_validate_addr = eth_validate_addr, .ndo_set_multicast_list = vxge_set_multicast, - .ndo_do_ioctl = vxge_ioctl, - .ndo_set_mac_address = vxge_set_mac_addr, .ndo_change_mtu = vxge_change_mtu, .ndo_vlan_rx_register = vxge_vlan_rx_register, .ndo_vlan_rx_kill_vid = vxge_vlan_rx_kill_vid, .ndo_vlan_rx_add_vid = vxge_vlan_rx_add_vid, - .ndo_tx_timeout = vxge_tx_watchdog, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = vxge_netpoll, @@ -3698,9 +3675,9 @@ static int __devinit vxge_config_vpaths( device_config->vp_config[i].tti.timer_ac_en = VXGE_HW_TIM_TIMER_AC_ENABLE; - /* For msi-x with napi (each vector - has a handler of its own) - - Set CI to OFF for all vpaths */ + /* For msi-x with napi (each vector has a handler of its own) - + * Set CI to OFF for all vpaths + */ device_config->vp_config[i].tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_DISABLE; @@ -3730,10 +3707,13 @@ static int __devinit vxge_config_vpaths( device_config->vp_config[i].ring.ring_blocks = VXGE_HW_DEF_RING_BLOCKS; + device_config->vp_config[i].ring.buffer_mode = VXGE_HW_RING_RXD_BUFFER_MODE_1; + device_config->vp_config[i].ring.rxds_limit = VXGE_HW_DEF_RING_RXDS_LIMIT; + device_config->vp_config[i].ring.scatter_mode = VXGE_HW_RING_SCATTER_MODE_A; @@ -3813,6 +3793,7 @@ static void __devinit vxge_device_config_init( device_config->intr_mode = VXGE_HW_INTR_MODE_MSIX; break; } + /* Timer period between device poll */ device_config->device_poll_millis = VXGE_TIMER_DELAY; @@ -3824,16 +3805,10 @@ static void __devinit vxge_device_config_init( vxge_debug_ll_config(VXGE_TRACE, "%s : Device Config Params ", __func__); - vxge_debug_ll_config(VXGE_TRACE, "dma_blockpool_initial : %d", - device_config->dma_blockpool_initial); - vxge_debug_ll_config(VXGE_TRACE, "dma_blockpool_max : %d", - device_config->dma_blockpool_max); vxge_debug_ll_config(VXGE_TRACE, "intr_mode : %d", device_config->intr_mode); vxge_debug_ll_config(VXGE_TRACE, "device_poll_millis : %d", device_config->device_poll_millis); - vxge_debug_ll_config(VXGE_TRACE, "rts_mac_en : %d", - device_config->rts_mac_en); vxge_debug_ll_config(VXGE_TRACE, "rth_en : %d", device_config->rth_en); vxge_debug_ll_config(VXGE_TRACE, "rth_it_type : %d", @@ -4013,7 +3988,7 @@ static pci_ers_result_t vxge_io_slot_reset(struct pci_dev *pdev) } pci_set_master(pdev); - vxge_reset(vdev); + do_vxge_reset(vdev, VXGE_LL_FULL_RESET); return PCI_ERS_RESULT_RECOVERED; } @@ -4244,9 +4219,10 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre) attr.pdev = pdev; /* In SRIOV-17 mode, functions of the same adapter - * can be deployed on different buses */ - if ((!pdev->is_virtfn) && ((bus != pdev->bus->number) || - (device != PCI_SLOT(pdev->devfn)))) + * can be deployed on different buses + */ + if (((bus != pdev->bus->number) || (device != PCI_SLOT(pdev->devfn))) && + !pdev->is_virtfn) new_device = 1; bus = pdev->bus->number; @@ -4264,6 +4240,7 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre) driver_config->config_dev_cnt = 0; driver_config->total_dev_cnt = 0; } + /* Now making the CPU based no of vpath calculation * applicable for individual functions as well. */ @@ -4286,11 +4263,11 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre) goto _exit0; } - ll_config = kzalloc(sizeof(*ll_config), GFP_KERNEL); + ll_config = kzalloc(sizeof(struct vxge_config), GFP_KERNEL); if (!ll_config) { ret = -ENOMEM; vxge_debug_init(VXGE_ERR, - "ll_config : malloc failed %s %d", + "device_config : malloc failed %s %d", __FILE__, __LINE__); goto _exit0; } @@ -4746,6 +4723,10 @@ vxge_starter(void) return -ENOMEM; ret = pci_register_driver(&vxge_driver); + if (ret) { + kfree(driver_config); + goto err; + } if (driver_config->config_dev_cnt && (driver_config->config_dev_cnt != driver_config->total_dev_cnt)) @@ -4753,10 +4734,7 @@ vxge_starter(void) "%s: Configured %d of %d devices", VXGE_DRIVER_NAME, driver_config->config_dev_cnt, driver_config->total_dev_cnt); - - if (ret) - kfree(driver_config); - +err: return ret; } diff --git a/drivers/net/vxge/vxge-main.h b/drivers/net/vxge/vxge-main.h index 953cb0ded3e1..256d5b406a67 100644 --- a/drivers/net/vxge/vxge-main.h +++ b/drivers/net/vxge/vxge-main.h @@ -305,8 +305,8 @@ struct vxge_vpath { int is_configured; int is_open; struct vxgedev *vdev; - u8 (macaddr)[ETH_ALEN]; - u8 (macmask)[ETH_ALEN]; + u8 macaddr[ETH_ALEN]; + u8 macmask[ETH_ALEN]; #define VXGE_MAX_LEARN_MAC_ADDR_CNT 2048 /* mac addresses currently programmed into NIC */ @@ -420,10 +420,8 @@ struct vxge_tx_priv { mod_timer(&timer, (jiffies + exp)); \ } while (0); -extern void vxge_initialize_ethtool_ops(struct net_device *ndev); - +void vxge_initialize_ethtool_ops(struct net_device *ndev); enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev); - int vxge_fw_upgrade(struct vxgedev *vdev, char *fw_name, int override); /** diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c index 4bdb611a6842..42cc29843ac7 100644 --- a/drivers/net/vxge/vxge-traffic.c +++ b/drivers/net/vxge/vxge-traffic.c @@ -17,13 +17,6 @@ #include "vxge-config.h" #include "vxge-main.h" -static enum vxge_hw_status -__vxge_hw_device_handle_error(struct __vxge_hw_device *hldev, - u32 vp_id, enum vxge_hw_event type); -static enum vxge_hw_status -__vxge_hw_vpath_alarm_process(struct __vxge_hw_virtualpath *vpath, - u32 skip_alarms); - /* * vxge_hw_vpath_intr_enable - Enable vpath interrupts. * @vp: Virtual Path handle. @@ -418,151 +411,6 @@ void vxge_hw_device_flush_io(struct __vxge_hw_device *hldev) val32 = readl(&hldev->common_reg->titan_general_int_status); } -/** - * vxge_hw_device_begin_irq - Begin IRQ processing. - * @hldev: HW device handle. - * @skip_alarms: Do not clear the alarms - * @reason: "Reason" for the interrupt, the value of Titan's - * general_int_status register. - * - * The function performs two actions, It first checks whether (shared IRQ) the - * interrupt was raised by the device. Next, it masks the device interrupts. - * - * Note: - * vxge_hw_device_begin_irq() does not flush MMIO writes through the - * bridge. Therefore, two back-to-back interrupts are potentially possible. - * - * Returns: 0, if the interrupt is not "ours" (note that in this case the - * device remain enabled). - * Otherwise, vxge_hw_device_begin_irq() returns 64bit general adapter - * status. - */ -enum vxge_hw_status vxge_hw_device_begin_irq(struct __vxge_hw_device *hldev, - u32 skip_alarms, u64 *reason) -{ - u32 i; - u64 val64; - u64 adapter_status; - u64 vpath_mask; - enum vxge_hw_status ret = VXGE_HW_OK; - - val64 = readq(&hldev->common_reg->titan_general_int_status); - - if (unlikely(!val64)) { - /* not Titan interrupt */ - *reason = 0; - ret = VXGE_HW_ERR_WRONG_IRQ; - goto exit; - } - - if (unlikely(val64 == VXGE_HW_ALL_FOXES)) { - - adapter_status = readq(&hldev->common_reg->adapter_status); - - if (adapter_status == VXGE_HW_ALL_FOXES) { - - __vxge_hw_device_handle_error(hldev, - NULL_VPID, VXGE_HW_EVENT_SLOT_FREEZE); - *reason = 0; - ret = VXGE_HW_ERR_SLOT_FREEZE; - goto exit; - } - } - - hldev->stats.sw_dev_info_stats.total_intr_cnt++; - - *reason = val64; - - vpath_mask = hldev->vpaths_deployed >> - (64 - VXGE_HW_MAX_VIRTUAL_PATHS); - - if (val64 & - VXGE_HW_TITAN_GENERAL_INT_STATUS_VPATH_TRAFFIC_INT(vpath_mask)) { - hldev->stats.sw_dev_info_stats.traffic_intr_cnt++; - - return VXGE_HW_OK; - } - - hldev->stats.sw_dev_info_stats.not_traffic_intr_cnt++; - - if (unlikely(val64 & - VXGE_HW_TITAN_GENERAL_INT_STATUS_VPATH_ALARM_INT)) { - - enum vxge_hw_status error_level = VXGE_HW_OK; - - hldev->stats.sw_dev_err_stats.vpath_alarms++; - - for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { - - if (!(hldev->vpaths_deployed & vxge_mBIT(i))) - continue; - - ret = __vxge_hw_vpath_alarm_process( - &hldev->virtual_paths[i], skip_alarms); - - error_level = VXGE_HW_SET_LEVEL(ret, error_level); - - if (unlikely((ret == VXGE_HW_ERR_CRITICAL) || - (ret == VXGE_HW_ERR_SLOT_FREEZE))) - break; - } - - ret = error_level; - } -exit: - return ret; -} - -/* - * __vxge_hw_device_handle_link_up_ind - * @hldev: HW device handle. - * - * Link up indication handler. The function is invoked by HW when - * Titan indicates that the link is up for programmable amount of time. - */ -static enum vxge_hw_status -__vxge_hw_device_handle_link_up_ind(struct __vxge_hw_device *hldev) -{ - /* - * If the previous link state is not down, return. - */ - if (hldev->link_state == VXGE_HW_LINK_UP) - goto exit; - - hldev->link_state = VXGE_HW_LINK_UP; - - /* notify driver */ - if (hldev->uld_callbacks.link_up) - hldev->uld_callbacks.link_up(hldev); -exit: - return VXGE_HW_OK; -} - -/* - * __vxge_hw_device_handle_link_down_ind - * @hldev: HW device handle. - * - * Link down indication handler. The function is invoked by HW when - * Titan indicates that the link is down. - */ -static enum vxge_hw_status -__vxge_hw_device_handle_link_down_ind(struct __vxge_hw_device *hldev) -{ - /* - * If the previous link state is not down, return. - */ - if (hldev->link_state == VXGE_HW_LINK_DOWN) - goto exit; - - hldev->link_state = VXGE_HW_LINK_DOWN; - - /* notify driver */ - if (hldev->uld_callbacks.link_down) - hldev->uld_callbacks.link_down(hldev); -exit: - return VXGE_HW_OK; -} - /** * __vxge_hw_device_handle_error - Handle error * @hldev: HW device @@ -572,10 +420,8 @@ exit: * Handle error. */ static enum vxge_hw_status -__vxge_hw_device_handle_error( - struct __vxge_hw_device *hldev, - u32 vp_id, - enum vxge_hw_event type) +__vxge_hw_device_handle_error(struct __vxge_hw_device *hldev, u32 vp_id, + enum vxge_hw_event type) { switch (type) { case VXGE_HW_EVENT_UNKNOWN: @@ -615,95 +461,518 @@ out: return VXGE_HW_OK; } -/** - * vxge_hw_device_clear_tx_rx - Acknowledge (that is, clear) the - * condition that has caused the Tx and RX interrupt. - * @hldev: HW device. +/* + * __vxge_hw_device_handle_link_down_ind + * @hldev: HW device handle. * - * Acknowledge (that is, clear) the condition that has caused - * the Tx and Rx interrupt. - * See also: vxge_hw_device_begin_irq(), - * vxge_hw_device_mask_tx_rx(), vxge_hw_device_unmask_tx_rx(). + * Link down indication handler. The function is invoked by HW when + * Titan indicates that the link is down. */ -void vxge_hw_device_clear_tx_rx(struct __vxge_hw_device *hldev) +static enum vxge_hw_status +__vxge_hw_device_handle_link_down_ind(struct __vxge_hw_device *hldev) { + /* + * If the previous link state is not down, return. + */ + if (hldev->link_state == VXGE_HW_LINK_DOWN) + goto exit; - if ((hldev->tim_int_mask0[VXGE_HW_VPATH_INTR_TX] != 0) || - (hldev->tim_int_mask0[VXGE_HW_VPATH_INTR_RX] != 0)) { - writeq((hldev->tim_int_mask0[VXGE_HW_VPATH_INTR_TX] | - hldev->tim_int_mask0[VXGE_HW_VPATH_INTR_RX]), - &hldev->common_reg->tim_int_status0); - } + hldev->link_state = VXGE_HW_LINK_DOWN; - if ((hldev->tim_int_mask1[VXGE_HW_VPATH_INTR_TX] != 0) || - (hldev->tim_int_mask1[VXGE_HW_VPATH_INTR_RX] != 0)) { - __vxge_hw_pio_mem_write32_upper( - (hldev->tim_int_mask1[VXGE_HW_VPATH_INTR_TX] | - hldev->tim_int_mask1[VXGE_HW_VPATH_INTR_RX]), - &hldev->common_reg->tim_int_status1); - } + /* notify driver */ + if (hldev->uld_callbacks.link_down) + hldev->uld_callbacks.link_down(hldev); +exit: + return VXGE_HW_OK; } /* - * vxge_hw_channel_dtr_alloc - Allocate a dtr from the channel - * @channel: Channel - * @dtrh: Buffer to return the DTR pointer - * - * Allocates a dtr from the reserve array. If the reserve array is empty, - * it swaps the reserve and free arrays. + * __vxge_hw_device_handle_link_up_ind + * @hldev: HW device handle. * + * Link up indication handler. The function is invoked by HW when + * Titan indicates that the link is up for programmable amount of time. */ static enum vxge_hw_status -vxge_hw_channel_dtr_alloc(struct __vxge_hw_channel *channel, void **dtrh) +__vxge_hw_device_handle_link_up_ind(struct __vxge_hw_device *hldev) { - void **tmp_arr; - - if (channel->reserve_ptr - channel->reserve_top > 0) { -_alloc_after_swap: - *dtrh = channel->reserve_arr[--channel->reserve_ptr]; - - return VXGE_HW_OK; - } - - /* switch between empty and full arrays */ - - /* the idea behind such a design is that by having free and reserved - * arrays separated we basically separated irq and non-irq parts. - * i.e. no additional lock need to be done when we free a resource */ - - if (channel->length - channel->free_ptr > 0) { - - tmp_arr = channel->reserve_arr; - channel->reserve_arr = channel->free_arr; - channel->free_arr = tmp_arr; - channel->reserve_ptr = channel->length; - channel->reserve_top = channel->free_ptr; - channel->free_ptr = channel->length; - - channel->stats->reserve_free_swaps_cnt++; - - goto _alloc_after_swap; - } + /* + * If the previous link state is not down, return. + */ + if (hldev->link_state == VXGE_HW_LINK_UP) + goto exit; - channel->stats->full_cnt++; + hldev->link_state = VXGE_HW_LINK_UP; - *dtrh = NULL; - return VXGE_HW_INF_OUT_OF_DESCRIPTORS; + /* notify driver */ + if (hldev->uld_callbacks.link_up) + hldev->uld_callbacks.link_up(hldev); +exit: + return VXGE_HW_OK; } /* - * vxge_hw_channel_dtr_post - Post a dtr to the channel - * @channelh: Channel - * @dtrh: DTR pointer + * __vxge_hw_vpath_alarm_process - Process Alarms. + * @vpath: Virtual Path. + * @skip_alarms: Do not clear the alarms * - * Posts a dtr to work array. + * Process vpath alarms. * */ -static void vxge_hw_channel_dtr_post(struct __vxge_hw_channel *channel, - void *dtrh) +static enum vxge_hw_status +__vxge_hw_vpath_alarm_process(struct __vxge_hw_virtualpath *vpath, + u32 skip_alarms) { - vxge_assert(channel->work_arr[channel->post_index] == NULL); - + u64 val64; + u64 alarm_status; + u64 pic_status; + struct __vxge_hw_device *hldev = NULL; + enum vxge_hw_event alarm_event = VXGE_HW_EVENT_UNKNOWN; + u64 mask64; + struct vxge_hw_vpath_stats_sw_info *sw_stats; + struct vxge_hw_vpath_reg __iomem *vp_reg; + + if (vpath == NULL) { + alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN, + alarm_event); + goto out2; + } + + hldev = vpath->hldev; + vp_reg = vpath->vp_reg; + alarm_status = readq(&vp_reg->vpath_general_int_status); + + if (alarm_status == VXGE_HW_ALL_FOXES) { + alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_SLOT_FREEZE, + alarm_event); + goto out; + } + + sw_stats = vpath->sw_stats; + + if (alarm_status & ~( + VXGE_HW_VPATH_GENERAL_INT_STATUS_PIC_INT | + VXGE_HW_VPATH_GENERAL_INT_STATUS_PCI_INT | + VXGE_HW_VPATH_GENERAL_INT_STATUS_WRDMA_INT | + VXGE_HW_VPATH_GENERAL_INT_STATUS_XMAC_INT)) { + sw_stats->error_stats.unknown_alarms++; + + alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN, + alarm_event); + goto out; + } + + if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_XMAC_INT) { + + val64 = readq(&vp_reg->xgmac_vp_int_status); + + if (val64 & + VXGE_HW_XGMAC_VP_INT_STATUS_ASIC_NTWK_VP_ERR_ASIC_NTWK_VP_INT) { + + val64 = readq(&vp_reg->asic_ntwk_vp_err_reg); + + if (((val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT) && + (!(val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK))) || + ((val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) && + (!(val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) + ))) { + sw_stats->error_stats.network_sustained_fault++; + + writeq( + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT, + &vp_reg->asic_ntwk_vp_err_mask); + + __vxge_hw_device_handle_link_down_ind(hldev); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_LINK_DOWN, alarm_event); + } + + if (((val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK) && + (!(val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT))) || + ((val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) && + (!(val64 & + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) + ))) { + + sw_stats->error_stats.network_sustained_ok++; + + writeq( + VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK, + &vp_reg->asic_ntwk_vp_err_mask); + + __vxge_hw_device_handle_link_up_ind(hldev); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_LINK_UP, alarm_event); + } + + writeq(VXGE_HW_INTR_MASK_ALL, + &vp_reg->asic_ntwk_vp_err_reg); + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_ALARM_CLEARED, alarm_event); + + if (skip_alarms) + return VXGE_HW_OK; + } + } + + if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_PIC_INT) { + + pic_status = readq(&vp_reg->vpath_ppif_int_status); + + if (pic_status & + VXGE_HW_VPATH_PPIF_INT_STATUS_GENERAL_ERRORS_GENERAL_INT) { + + val64 = readq(&vp_reg->general_errors_reg); + mask64 = readq(&vp_reg->general_errors_mask); + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_INI_SERR_DET) & + ~mask64) { + sw_stats->error_stats.ini_serr_det++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_SERR, alarm_event); + } + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_DBLGEN_FIFO0_OVRFLOW) & + ~mask64) { + sw_stats->error_stats.dblgen_fifo0_overflow++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_FIFO_ERR, alarm_event); + } + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_STATSB_PIF_CHAIN_ERR) & + ~mask64) + sw_stats->error_stats.statsb_pif_chain_error++; + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_STATSB_DROP_TIMEOUT_REQ) & + ~mask64) + sw_stats->error_stats.statsb_drop_timeout++; + + if ((val64 & + VXGE_HW_GENERAL_ERRORS_REG_TGT_ILLEGAL_ACCESS) & + ~mask64) + sw_stats->error_stats.target_illegal_access++; + + if (!skip_alarms) { + writeq(VXGE_HW_INTR_MASK_ALL, + &vp_reg->general_errors_reg); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_ALARM_CLEARED, + alarm_event); + } + } + + if (pic_status & + VXGE_HW_VPATH_PPIF_INT_STATUS_KDFCCTL_ERRORS_KDFCCTL_INT) { + + val64 = readq(&vp_reg->kdfcctl_errors_reg); + mask64 = readq(&vp_reg->kdfcctl_errors_mask); + + if ((val64 & + VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_OVRWR) & + ~mask64) { + sw_stats->error_stats.kdfcctl_fifo0_overwrite++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_FIFO_ERR, + alarm_event); + } + + if ((val64 & + VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_POISON) & + ~mask64) { + sw_stats->error_stats.kdfcctl_fifo0_poison++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_FIFO_ERR, + alarm_event); + } + + if ((val64 & + VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_DMA_ERR) & + ~mask64) { + sw_stats->error_stats.kdfcctl_fifo0_dma_error++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_FIFO_ERR, + alarm_event); + } + + if (!skip_alarms) { + writeq(VXGE_HW_INTR_MASK_ALL, + &vp_reg->kdfcctl_errors_reg); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_ALARM_CLEARED, + alarm_event); + } + } + + } + + if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_WRDMA_INT) { + + val64 = readq(&vp_reg->wrdma_alarm_status); + + if (val64 & VXGE_HW_WRDMA_ALARM_STATUS_PRC_ALARM_PRC_INT) { + + val64 = readq(&vp_reg->prc_alarm_reg); + mask64 = readq(&vp_reg->prc_alarm_mask); + + if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RING_BUMP)& + ~mask64) + sw_stats->error_stats.prc_ring_bumps++; + + if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RXDCM_SC_ERR) & + ~mask64) { + sw_stats->error_stats.prc_rxdcm_sc_err++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_VPATH_ERR, + alarm_event); + } + + if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RXDCM_SC_ABORT) + & ~mask64) { + sw_stats->error_stats.prc_rxdcm_sc_abort++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_VPATH_ERR, + alarm_event); + } + + if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_QUANTA_SIZE_ERR) + & ~mask64) { + sw_stats->error_stats.prc_quanta_size_err++; + + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_VPATH_ERR, + alarm_event); + } + + if (!skip_alarms) { + writeq(VXGE_HW_INTR_MASK_ALL, + &vp_reg->prc_alarm_reg); + alarm_event = VXGE_HW_SET_LEVEL( + VXGE_HW_EVENT_ALARM_CLEARED, + alarm_event); + } + } + } +out: + hldev->stats.sw_dev_err_stats.vpath_alarms++; +out2: + if ((alarm_event == VXGE_HW_EVENT_ALARM_CLEARED) || + (alarm_event == VXGE_HW_EVENT_UNKNOWN)) + return VXGE_HW_OK; + + __vxge_hw_device_handle_error(hldev, vpath->vp_id, alarm_event); + + if (alarm_event == VXGE_HW_EVENT_SERR) + return VXGE_HW_ERR_CRITICAL; + + return (alarm_event == VXGE_HW_EVENT_SLOT_FREEZE) ? + VXGE_HW_ERR_SLOT_FREEZE : + (alarm_event == VXGE_HW_EVENT_FIFO_ERR) ? VXGE_HW_ERR_FIFO : + VXGE_HW_ERR_VPATH; +} + +/** + * vxge_hw_device_begin_irq - Begin IRQ processing. + * @hldev: HW device handle. + * @skip_alarms: Do not clear the alarms + * @reason: "Reason" for the interrupt, the value of Titan's + * general_int_status register. + * + * The function performs two actions, It first checks whether (shared IRQ) the + * interrupt was raised by the device. Next, it masks the device interrupts. + * + * Note: + * vxge_hw_device_begin_irq() does not flush MMIO writes through the + * bridge. Therefore, two back-to-back interrupts are potentially possible. + * + * Returns: 0, if the interrupt is not "ours" (note that in this case the + * device remain enabled). + * Otherwise, vxge_hw_device_begin_irq() returns 64bit general adapter + * status. + */ +enum vxge_hw_status vxge_hw_device_begin_irq(struct __vxge_hw_device *hldev, + u32 skip_alarms, u64 *reason) +{ + u32 i; + u64 val64; + u64 adapter_status; + u64 vpath_mask; + enum vxge_hw_status ret = VXGE_HW_OK; + + val64 = readq(&hldev->common_reg->titan_general_int_status); + + if (unlikely(!val64)) { + /* not Titan interrupt */ + *reason = 0; + ret = VXGE_HW_ERR_WRONG_IRQ; + goto exit; + } + + if (unlikely(val64 == VXGE_HW_ALL_FOXES)) { + + adapter_status = readq(&hldev->common_reg->adapter_status); + + if (adapter_status == VXGE_HW_ALL_FOXES) { + + __vxge_hw_device_handle_error(hldev, + NULL_VPID, VXGE_HW_EVENT_SLOT_FREEZE); + *reason = 0; + ret = VXGE_HW_ERR_SLOT_FREEZE; + goto exit; + } + } + + hldev->stats.sw_dev_info_stats.total_intr_cnt++; + + *reason = val64; + + vpath_mask = hldev->vpaths_deployed >> + (64 - VXGE_HW_MAX_VIRTUAL_PATHS); + + if (val64 & + VXGE_HW_TITAN_GENERAL_INT_STATUS_VPATH_TRAFFIC_INT(vpath_mask)) { + hldev->stats.sw_dev_info_stats.traffic_intr_cnt++; + + return VXGE_HW_OK; + } + + hldev->stats.sw_dev_info_stats.not_traffic_intr_cnt++; + + if (unlikely(val64 & + VXGE_HW_TITAN_GENERAL_INT_STATUS_VPATH_ALARM_INT)) { + + enum vxge_hw_status error_level = VXGE_HW_OK; + + hldev->stats.sw_dev_err_stats.vpath_alarms++; + + for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) { + + if (!(hldev->vpaths_deployed & vxge_mBIT(i))) + continue; + + ret = __vxge_hw_vpath_alarm_process( + &hldev->virtual_paths[i], skip_alarms); + + error_level = VXGE_HW_SET_LEVEL(ret, error_level); + + if (unlikely((ret == VXGE_HW_ERR_CRITICAL) || + (ret == VXGE_HW_ERR_SLOT_FREEZE))) + break; + } + + ret = error_level; + } +exit: + return ret; +} + +/** + * vxge_hw_device_clear_tx_rx - Acknowledge (that is, clear) the + * condition that has caused the Tx and RX interrupt. + * @hldev: HW device. + * + * Acknowledge (that is, clear) the condition that has caused + * the Tx and Rx interrupt. + * See also: vxge_hw_device_begin_irq(), + * vxge_hw_device_mask_tx_rx(), vxge_hw_device_unmask_tx_rx(). + */ +void vxge_hw_device_clear_tx_rx(struct __vxge_hw_device *hldev) +{ + + if ((hldev->tim_int_mask0[VXGE_HW_VPATH_INTR_TX] != 0) || + (hldev->tim_int_mask0[VXGE_HW_VPATH_INTR_RX] != 0)) { + writeq((hldev->tim_int_mask0[VXGE_HW_VPATH_INTR_TX] | + hldev->tim_int_mask0[VXGE_HW_VPATH_INTR_RX]), + &hldev->common_reg->tim_int_status0); + } + + if ((hldev->tim_int_mask1[VXGE_HW_VPATH_INTR_TX] != 0) || + (hldev->tim_int_mask1[VXGE_HW_VPATH_INTR_RX] != 0)) { + __vxge_hw_pio_mem_write32_upper( + (hldev->tim_int_mask1[VXGE_HW_VPATH_INTR_TX] | + hldev->tim_int_mask1[VXGE_HW_VPATH_INTR_RX]), + &hldev->common_reg->tim_int_status1); + } +} + +/* + * vxge_hw_channel_dtr_alloc - Allocate a dtr from the channel + * @channel: Channel + * @dtrh: Buffer to return the DTR pointer + * + * Allocates a dtr from the reserve array. If the reserve array is empty, + * it swaps the reserve and free arrays. + * + */ +static enum vxge_hw_status +vxge_hw_channel_dtr_alloc(struct __vxge_hw_channel *channel, void **dtrh) +{ + void **tmp_arr; + + if (channel->reserve_ptr - channel->reserve_top > 0) { +_alloc_after_swap: + *dtrh = channel->reserve_arr[--channel->reserve_ptr]; + + return VXGE_HW_OK; + } + + /* switch between empty and full arrays */ + + /* the idea behind such a design is that by having free and reserved + * arrays separated we basically separated irq and non-irq parts. + * i.e. no additional lock need to be done when we free a resource */ + + if (channel->length - channel->free_ptr > 0) { + + tmp_arr = channel->reserve_arr; + channel->reserve_arr = channel->free_arr; + channel->free_arr = tmp_arr; + channel->reserve_ptr = channel->length; + channel->reserve_top = channel->free_ptr; + channel->free_ptr = channel->length; + + channel->stats->reserve_free_swaps_cnt++; + + goto _alloc_after_swap; + } + + channel->stats->full_cnt++; + + *dtrh = NULL; + return VXGE_HW_INF_OUT_OF_DESCRIPTORS; +} + +/* + * vxge_hw_channel_dtr_post - Post a dtr to the channel + * @channelh: Channel + * @dtrh: DTR pointer + * + * Posts a dtr to work array. + * + */ +static void +vxge_hw_channel_dtr_post(struct __vxge_hw_channel *channel, void *dtrh) +{ + vxge_assert(channel->work_arr[channel->post_index] == NULL); + channel->work_arr[channel->post_index++] = dtrh; /* wrap-around */ @@ -911,10 +1180,6 @@ void vxge_hw_ring_rxd_post(struct __vxge_hw_ring *ring, void *rxdh) */ void vxge_hw_ring_rxd_post_post_wmb(struct __vxge_hw_ring *ring, void *rxdh) { - struct __vxge_hw_channel *channel; - - channel = &ring->channel; - wmb(); vxge_hw_ring_rxd_post_post(ring, rxdh); } @@ -1542,607 +1807,329 @@ vxge_hw_vpath_mac_addr_get_next( if (status != VXGE_HW_OK) goto exit; - data1 = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_DA_MAC_ADDR(data1); - - data2 = VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_DA_MAC_ADDR_MASK(data2); - - for (i = ETH_ALEN; i > 0; i--) { - macaddr[i-1] = (u8)(data1 & 0xFF); - data1 >>= 8; - - macaddr_mask[i-1] = (u8)(data2 & 0xFF); - data2 >>= 8; - } - -exit: - return status; -} - -/** - * vxge_hw_vpath_mac_addr_delete - Delete the mac address entry for this vpath - * to MAC address table. - * @vp: Vpath handle. - * @macaddr: MAC address to be added for this vpath into the list - * @macaddr_mask: MAC address mask for macaddr - * - * Delete the given mac address and mac address mask into the list for this - * vpath. - * see also: vxge_hw_vpath_mac_addr_add, vxge_hw_vpath_mac_addr_get and - * vxge_hw_vpath_mac_addr_get_next - * - */ -enum vxge_hw_status -vxge_hw_vpath_mac_addr_delete( - struct __vxge_hw_vpath_handle *vp, - u8 (macaddr)[ETH_ALEN], - u8 (macaddr_mask)[ETH_ALEN]) -{ - u32 i; - u64 data1 = 0ULL; - u64 data2 = 0ULL; - enum vxge_hw_status status = VXGE_HW_OK; - - if (vp == NULL) { - status = VXGE_HW_ERR_INVALID_HANDLE; - goto exit; - } - - for (i = 0; i < ETH_ALEN; i++) { - data1 <<= 8; - data1 |= (u8)macaddr[i]; - - data2 <<= 8; - data2 |= (u8)macaddr_mask[i]; - } - - status = __vxge_hw_vpath_rts_table_set(vp, - VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_DELETE_ENTRY, - VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA, - 0, - VXGE_HW_RTS_ACCESS_STEER_DATA0_DA_MAC_ADDR(data1), - VXGE_HW_RTS_ACCESS_STEER_DATA1_DA_MAC_ADDR_MASK(data2)); -exit: - return status; -} - -/** - * vxge_hw_vpath_vid_add - Add the vlan id entry for this vpath - * to vlan id table. - * @vp: Vpath handle. - * @vid: vlan id to be added for this vpath into the list - * - * Adds the given vlan id into the list for this vpath. - * see also: vxge_hw_vpath_vid_delete, vxge_hw_vpath_vid_get and - * vxge_hw_vpath_vid_get_next - * - */ -enum vxge_hw_status -vxge_hw_vpath_vid_add(struct __vxge_hw_vpath_handle *vp, u64 vid) -{ - enum vxge_hw_status status = VXGE_HW_OK; - - if (vp == NULL) { - status = VXGE_HW_ERR_INVALID_HANDLE; - goto exit; - } - - status = __vxge_hw_vpath_rts_table_set(vp, - VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_ADD_ENTRY, - VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_VID, - 0, VXGE_HW_RTS_ACCESS_STEER_DATA0_VLAN_ID(vid), 0); -exit: - return status; -} - -/** - * vxge_hw_vpath_vid_get - Get the first vid entry for this vpath - * from vlan id table. - * @vp: Vpath handle. - * @vid: Buffer to return vlan id - * - * Returns the first vlan id in the list for this vpath. - * see also: vxge_hw_vpath_vid_get_next - * - */ -enum vxge_hw_status -vxge_hw_vpath_vid_get(struct __vxge_hw_vpath_handle *vp, u64 *vid) -{ - u64 data; - enum vxge_hw_status status = VXGE_HW_OK; - - if (vp == NULL) { - status = VXGE_HW_ERR_INVALID_HANDLE; - goto exit; - } - - status = __vxge_hw_vpath_rts_table_get(vp, - VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_FIRST_ENTRY, - VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_VID, - 0, vid, &data); - - *vid = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_VLAN_ID(*vid); -exit: - return status; -} - -/** - * vxge_hw_vpath_vid_delete - Delete the vlan id entry for this vpath - * to vlan id table. - * @vp: Vpath handle. - * @vid: vlan id to be added for this vpath into the list - * - * Adds the given vlan id into the list for this vpath. - * see also: vxge_hw_vpath_vid_add, vxge_hw_vpath_vid_get and - * vxge_hw_vpath_vid_get_next - * - */ -enum vxge_hw_status -vxge_hw_vpath_vid_delete(struct __vxge_hw_vpath_handle *vp, u64 vid) -{ - enum vxge_hw_status status = VXGE_HW_OK; - - if (vp == NULL) { - status = VXGE_HW_ERR_INVALID_HANDLE; - goto exit; - } - - status = __vxge_hw_vpath_rts_table_set(vp, - VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_DELETE_ENTRY, - VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_VID, - 0, VXGE_HW_RTS_ACCESS_STEER_DATA0_VLAN_ID(vid), 0); -exit: - return status; -} - -/** - * vxge_hw_vpath_promisc_enable - Enable promiscuous mode. - * @vp: Vpath handle. - * - * Enable promiscuous mode of Titan-e operation. - * - * See also: vxge_hw_vpath_promisc_disable(). - */ -enum vxge_hw_status vxge_hw_vpath_promisc_enable( - struct __vxge_hw_vpath_handle *vp) -{ - u64 val64; - struct __vxge_hw_virtualpath *vpath; - enum vxge_hw_status status = VXGE_HW_OK; - - if ((vp == NULL) || (vp->vpath->ringh == NULL)) { - status = VXGE_HW_ERR_INVALID_HANDLE; - goto exit; - } - - vpath = vp->vpath; - - /* Enable promiscous mode for function 0 only */ - if (!(vpath->hldev->access_rights & - VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) - return VXGE_HW_OK; - - val64 = readq(&vpath->vp_reg->rxmac_vcfg0); - - if (!(val64 & VXGE_HW_RXMAC_VCFG0_UCAST_ALL_ADDR_EN)) { - - val64 |= VXGE_HW_RXMAC_VCFG0_UCAST_ALL_ADDR_EN | - VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN | - VXGE_HW_RXMAC_VCFG0_BCAST_EN | - VXGE_HW_RXMAC_VCFG0_ALL_VID_EN; - - writeq(val64, &vpath->vp_reg->rxmac_vcfg0); - } -exit: - return status; -} - -/** - * vxge_hw_vpath_promisc_disable - Disable promiscuous mode. - * @vp: Vpath handle. - * - * Disable promiscuous mode of Titan-e operation. - * - * See also: vxge_hw_vpath_promisc_enable(). - */ -enum vxge_hw_status vxge_hw_vpath_promisc_disable( - struct __vxge_hw_vpath_handle *vp) -{ - u64 val64; - struct __vxge_hw_virtualpath *vpath; - enum vxge_hw_status status = VXGE_HW_OK; - - if ((vp == NULL) || (vp->vpath->ringh == NULL)) { - status = VXGE_HW_ERR_INVALID_HANDLE; - goto exit; - } - - vpath = vp->vpath; - - val64 = readq(&vpath->vp_reg->rxmac_vcfg0); + data1 = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_DA_MAC_ADDR(data1); - if (val64 & VXGE_HW_RXMAC_VCFG0_UCAST_ALL_ADDR_EN) { + data2 = VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_DA_MAC_ADDR_MASK(data2); - val64 &= ~(VXGE_HW_RXMAC_VCFG0_UCAST_ALL_ADDR_EN | - VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN | - VXGE_HW_RXMAC_VCFG0_ALL_VID_EN); + for (i = ETH_ALEN; i > 0; i--) { + macaddr[i-1] = (u8)(data1 & 0xFF); + data1 >>= 8; - writeq(val64, &vpath->vp_reg->rxmac_vcfg0); + macaddr_mask[i-1] = (u8)(data2 & 0xFF); + data2 >>= 8; } + exit: return status; } -/* - * vxge_hw_vpath_bcast_enable - Enable broadcast +/** + * vxge_hw_vpath_mac_addr_delete - Delete the mac address entry for this vpath + * to MAC address table. * @vp: Vpath handle. + * @macaddr: MAC address to be added for this vpath into the list + * @macaddr_mask: MAC address mask for macaddr + * + * Delete the given mac address and mac address mask into the list for this + * vpath. + * see also: vxge_hw_vpath_mac_addr_add, vxge_hw_vpath_mac_addr_get and + * vxge_hw_vpath_mac_addr_get_next * - * Enable receiving broadcasts. */ -enum vxge_hw_status vxge_hw_vpath_bcast_enable( - struct __vxge_hw_vpath_handle *vp) +enum vxge_hw_status +vxge_hw_vpath_mac_addr_delete( + struct __vxge_hw_vpath_handle *vp, + u8 (macaddr)[ETH_ALEN], + u8 (macaddr_mask)[ETH_ALEN]) { - u64 val64; - struct __vxge_hw_virtualpath *vpath; + u32 i; + u64 data1 = 0ULL; + u64 data2 = 0ULL; enum vxge_hw_status status = VXGE_HW_OK; - if ((vp == NULL) || (vp->vpath->ringh == NULL)) { + if (vp == NULL) { status = VXGE_HW_ERR_INVALID_HANDLE; goto exit; } - vpath = vp->vpath; - - val64 = readq(&vpath->vp_reg->rxmac_vcfg0); + for (i = 0; i < ETH_ALEN; i++) { + data1 <<= 8; + data1 |= (u8)macaddr[i]; - if (!(val64 & VXGE_HW_RXMAC_VCFG0_BCAST_EN)) { - val64 |= VXGE_HW_RXMAC_VCFG0_BCAST_EN; - writeq(val64, &vpath->vp_reg->rxmac_vcfg0); + data2 <<= 8; + data2 |= (u8)macaddr_mask[i]; } + + status = __vxge_hw_vpath_rts_table_set(vp, + VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_DELETE_ENTRY, + VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA, + 0, + VXGE_HW_RTS_ACCESS_STEER_DATA0_DA_MAC_ADDR(data1), + VXGE_HW_RTS_ACCESS_STEER_DATA1_DA_MAC_ADDR_MASK(data2)); exit: return status; } /** - * vxge_hw_vpath_mcast_enable - Enable multicast addresses. + * vxge_hw_vpath_vid_add - Add the vlan id entry for this vpath + * to vlan id table. * @vp: Vpath handle. + * @vid: vlan id to be added for this vpath into the list * - * Enable Titan-e multicast addresses. - * Returns: VXGE_HW_OK on success. + * Adds the given vlan id into the list for this vpath. + * see also: vxge_hw_vpath_vid_delete, vxge_hw_vpath_vid_get and + * vxge_hw_vpath_vid_get_next * */ -enum vxge_hw_status vxge_hw_vpath_mcast_enable( - struct __vxge_hw_vpath_handle *vp) +enum vxge_hw_status +vxge_hw_vpath_vid_add(struct __vxge_hw_vpath_handle *vp, u64 vid) { - u64 val64; - struct __vxge_hw_virtualpath *vpath; enum vxge_hw_status status = VXGE_HW_OK; - if ((vp == NULL) || (vp->vpath->ringh == NULL)) { + if (vp == NULL) { status = VXGE_HW_ERR_INVALID_HANDLE; goto exit; } - vpath = vp->vpath; - - val64 = readq(&vpath->vp_reg->rxmac_vcfg0); - - if (!(val64 & VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN)) { - val64 |= VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN; - writeq(val64, &vpath->vp_reg->rxmac_vcfg0); - } + status = __vxge_hw_vpath_rts_table_set(vp, + VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_ADD_ENTRY, + VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_VID, + 0, VXGE_HW_RTS_ACCESS_STEER_DATA0_VLAN_ID(vid), 0); exit: return status; } /** - * vxge_hw_vpath_mcast_disable - Disable multicast addresses. + * vxge_hw_vpath_vid_get - Get the first vid entry for this vpath + * from vlan id table. * @vp: Vpath handle. + * @vid: Buffer to return vlan id * - * Disable Titan-e multicast addresses. - * Returns: VXGE_HW_OK - success. - * VXGE_HW_ERR_INVALID_HANDLE - Invalid handle + * Returns the first vlan id in the list for this vpath. + * see also: vxge_hw_vpath_vid_get_next * */ enum vxge_hw_status -vxge_hw_vpath_mcast_disable(struct __vxge_hw_vpath_handle *vp) +vxge_hw_vpath_vid_get(struct __vxge_hw_vpath_handle *vp, u64 *vid) { - u64 val64; - struct __vxge_hw_virtualpath *vpath; + u64 data; enum vxge_hw_status status = VXGE_HW_OK; - if ((vp == NULL) || (vp->vpath->ringh == NULL)) { + if (vp == NULL) { status = VXGE_HW_ERR_INVALID_HANDLE; goto exit; } - vpath = vp->vpath; - - val64 = readq(&vpath->vp_reg->rxmac_vcfg0); + status = __vxge_hw_vpath_rts_table_get(vp, + VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_FIRST_ENTRY, + VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_VID, + 0, vid, &data); - if (val64 & VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN) { - val64 &= ~VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN; - writeq(val64, &vpath->vp_reg->rxmac_vcfg0); - } + *vid = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_VLAN_ID(*vid); exit: return status; } -/* - * __vxge_hw_vpath_alarm_process - Process Alarms. - * @vpath: Virtual Path. - * @skip_alarms: Do not clear the alarms +/** + * vxge_hw_vpath_vid_delete - Delete the vlan id entry for this vpath + * to vlan id table. + * @vp: Vpath handle. + * @vid: vlan id to be added for this vpath into the list * - * Process vpath alarms. + * Adds the given vlan id into the list for this vpath. + * see also: vxge_hw_vpath_vid_add, vxge_hw_vpath_vid_get and + * vxge_hw_vpath_vid_get_next * */ -static enum vxge_hw_status -__vxge_hw_vpath_alarm_process(struct __vxge_hw_virtualpath *vpath, - u32 skip_alarms) +enum vxge_hw_status +vxge_hw_vpath_vid_delete(struct __vxge_hw_vpath_handle *vp, u64 vid) { - u64 val64; - u64 alarm_status; - u64 pic_status; - struct __vxge_hw_device *hldev = NULL; - enum vxge_hw_event alarm_event = VXGE_HW_EVENT_UNKNOWN; - u64 mask64; - struct vxge_hw_vpath_stats_sw_info *sw_stats; - struct vxge_hw_vpath_reg __iomem *vp_reg; - - if (vpath == NULL) { - alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN, - alarm_event); - goto out2; - } - - hldev = vpath->hldev; - vp_reg = vpath->vp_reg; - alarm_status = readq(&vp_reg->vpath_general_int_status); - - if (alarm_status == VXGE_HW_ALL_FOXES) { - alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_SLOT_FREEZE, - alarm_event); - goto out; - } - - sw_stats = vpath->sw_stats; - - if (alarm_status & ~( - VXGE_HW_VPATH_GENERAL_INT_STATUS_PIC_INT | - VXGE_HW_VPATH_GENERAL_INT_STATUS_PCI_INT | - VXGE_HW_VPATH_GENERAL_INT_STATUS_WRDMA_INT | - VXGE_HW_VPATH_GENERAL_INT_STATUS_XMAC_INT)) { - sw_stats->error_stats.unknown_alarms++; - - alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN, - alarm_event); - goto out; - } - - if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_XMAC_INT) { - - val64 = readq(&vp_reg->xgmac_vp_int_status); - - if (val64 & - VXGE_HW_XGMAC_VP_INT_STATUS_ASIC_NTWK_VP_ERR_ASIC_NTWK_VP_INT) { - - val64 = readq(&vp_reg->asic_ntwk_vp_err_reg); - - if (((val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT) && - (!(val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK))) || - ((val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) && - (!(val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) - ))) { - sw_stats->error_stats.network_sustained_fault++; - - writeq( - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT, - &vp_reg->asic_ntwk_vp_err_mask); - - __vxge_hw_device_handle_link_down_ind(hldev); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_LINK_DOWN, alarm_event); - } - - if (((val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK) && - (!(val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT))) || - ((val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) && - (!(val64 & - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) - ))) { - - sw_stats->error_stats.network_sustained_ok++; - - writeq( - VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK, - &vp_reg->asic_ntwk_vp_err_mask); - - __vxge_hw_device_handle_link_up_ind(hldev); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_LINK_UP, alarm_event); - } - - writeq(VXGE_HW_INTR_MASK_ALL, - &vp_reg->asic_ntwk_vp_err_reg); - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_ALARM_CLEARED, alarm_event); + enum vxge_hw_status status = VXGE_HW_OK; - if (skip_alarms) - return VXGE_HW_OK; - } + if (vp == NULL) { + status = VXGE_HW_ERR_INVALID_HANDLE; + goto exit; } - if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_PIC_INT) { - - pic_status = readq(&vp_reg->vpath_ppif_int_status); - - if (pic_status & - VXGE_HW_VPATH_PPIF_INT_STATUS_GENERAL_ERRORS_GENERAL_INT) { - - val64 = readq(&vp_reg->general_errors_reg); - mask64 = readq(&vp_reg->general_errors_mask); - - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_INI_SERR_DET) & - ~mask64) { - sw_stats->error_stats.ini_serr_det++; - - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_SERR, alarm_event); - } - - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_DBLGEN_FIFO0_OVRFLOW) & - ~mask64) { - sw_stats->error_stats.dblgen_fifo0_overflow++; + status = __vxge_hw_vpath_rts_table_set(vp, + VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_DELETE_ENTRY, + VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_VID, + 0, VXGE_HW_RTS_ACCESS_STEER_DATA0_VLAN_ID(vid), 0); +exit: + return status; +} - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_FIFO_ERR, alarm_event); - } +/** + * vxge_hw_vpath_promisc_enable - Enable promiscuous mode. + * @vp: Vpath handle. + * + * Enable promiscuous mode of Titan-e operation. + * + * See also: vxge_hw_vpath_promisc_disable(). + */ +enum vxge_hw_status vxge_hw_vpath_promisc_enable( + struct __vxge_hw_vpath_handle *vp) +{ + u64 val64; + struct __vxge_hw_virtualpath *vpath; + enum vxge_hw_status status = VXGE_HW_OK; - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_STATSB_PIF_CHAIN_ERR) & - ~mask64) - sw_stats->error_stats.statsb_pif_chain_error++; + if ((vp == NULL) || (vp->vpath->ringh == NULL)) { + status = VXGE_HW_ERR_INVALID_HANDLE; + goto exit; + } - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_STATSB_DROP_TIMEOUT_REQ) & - ~mask64) - sw_stats->error_stats.statsb_drop_timeout++; + vpath = vp->vpath; - if ((val64 & - VXGE_HW_GENERAL_ERRORS_REG_TGT_ILLEGAL_ACCESS) & - ~mask64) - sw_stats->error_stats.target_illegal_access++; + /* Enable promiscous mode for function 0 only */ + if (!(vpath->hldev->access_rights & + VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)) + return VXGE_HW_OK; - if (!skip_alarms) { - writeq(VXGE_HW_INTR_MASK_ALL, - &vp_reg->general_errors_reg); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_ALARM_CLEARED, - alarm_event); - } - } + val64 = readq(&vpath->vp_reg->rxmac_vcfg0); - if (pic_status & - VXGE_HW_VPATH_PPIF_INT_STATUS_KDFCCTL_ERRORS_KDFCCTL_INT) { + if (!(val64 & VXGE_HW_RXMAC_VCFG0_UCAST_ALL_ADDR_EN)) { - val64 = readq(&vp_reg->kdfcctl_errors_reg); - mask64 = readq(&vp_reg->kdfcctl_errors_mask); + val64 |= VXGE_HW_RXMAC_VCFG0_UCAST_ALL_ADDR_EN | + VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN | + VXGE_HW_RXMAC_VCFG0_BCAST_EN | + VXGE_HW_RXMAC_VCFG0_ALL_VID_EN; - if ((val64 & - VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_OVRWR) & - ~mask64) { - sw_stats->error_stats.kdfcctl_fifo0_overwrite++; + writeq(val64, &vpath->vp_reg->rxmac_vcfg0); + } +exit: + return status; +} - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_FIFO_ERR, - alarm_event); - } +/** + * vxge_hw_vpath_promisc_disable - Disable promiscuous mode. + * @vp: Vpath handle. + * + * Disable promiscuous mode of Titan-e operation. + * + * See also: vxge_hw_vpath_promisc_enable(). + */ +enum vxge_hw_status vxge_hw_vpath_promisc_disable( + struct __vxge_hw_vpath_handle *vp) +{ + u64 val64; + struct __vxge_hw_virtualpath *vpath; + enum vxge_hw_status status = VXGE_HW_OK; - if ((val64 & - VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_POISON) & - ~mask64) { - sw_stats->error_stats.kdfcctl_fifo0_poison++; + if ((vp == NULL) || (vp->vpath->ringh == NULL)) { + status = VXGE_HW_ERR_INVALID_HANDLE; + goto exit; + } - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_FIFO_ERR, - alarm_event); - } + vpath = vp->vpath; - if ((val64 & - VXGE_HW_KDFCCTL_ERRORS_REG_KDFCCTL_FIFO0_DMA_ERR) & - ~mask64) { - sw_stats->error_stats.kdfcctl_fifo0_dma_error++; + val64 = readq(&vpath->vp_reg->rxmac_vcfg0); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_FIFO_ERR, - alarm_event); - } + if (val64 & VXGE_HW_RXMAC_VCFG0_UCAST_ALL_ADDR_EN) { - if (!skip_alarms) { - writeq(VXGE_HW_INTR_MASK_ALL, - &vp_reg->kdfcctl_errors_reg); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_ALARM_CLEARED, - alarm_event); - } - } + val64 &= ~(VXGE_HW_RXMAC_VCFG0_UCAST_ALL_ADDR_EN | + VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN | + VXGE_HW_RXMAC_VCFG0_ALL_VID_EN); + writeq(val64, &vpath->vp_reg->rxmac_vcfg0); } +exit: + return status; +} - if (alarm_status & VXGE_HW_VPATH_GENERAL_INT_STATUS_WRDMA_INT) { +/* + * vxge_hw_vpath_bcast_enable - Enable broadcast + * @vp: Vpath handle. + * + * Enable receiving broadcasts. + */ +enum vxge_hw_status vxge_hw_vpath_bcast_enable( + struct __vxge_hw_vpath_handle *vp) +{ + u64 val64; + struct __vxge_hw_virtualpath *vpath; + enum vxge_hw_status status = VXGE_HW_OK; - val64 = readq(&vp_reg->wrdma_alarm_status); + if ((vp == NULL) || (vp->vpath->ringh == NULL)) { + status = VXGE_HW_ERR_INVALID_HANDLE; + goto exit; + } - if (val64 & VXGE_HW_WRDMA_ALARM_STATUS_PRC_ALARM_PRC_INT) { + vpath = vp->vpath; - val64 = readq(&vp_reg->prc_alarm_reg); - mask64 = readq(&vp_reg->prc_alarm_mask); + val64 = readq(&vpath->vp_reg->rxmac_vcfg0); - if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RING_BUMP)& - ~mask64) - sw_stats->error_stats.prc_ring_bumps++; + if (!(val64 & VXGE_HW_RXMAC_VCFG0_BCAST_EN)) { + val64 |= VXGE_HW_RXMAC_VCFG0_BCAST_EN; + writeq(val64, &vpath->vp_reg->rxmac_vcfg0); + } +exit: + return status; +} - if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RXDCM_SC_ERR) & - ~mask64) { - sw_stats->error_stats.prc_rxdcm_sc_err++; +/** + * vxge_hw_vpath_mcast_enable - Enable multicast addresses. + * @vp: Vpath handle. + * + * Enable Titan-e multicast addresses. + * Returns: VXGE_HW_OK on success. + * + */ +enum vxge_hw_status vxge_hw_vpath_mcast_enable( + struct __vxge_hw_vpath_handle *vp) +{ + u64 val64; + struct __vxge_hw_virtualpath *vpath; + enum vxge_hw_status status = VXGE_HW_OK; - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_VPATH_ERR, - alarm_event); - } + if ((vp == NULL) || (vp->vpath->ringh == NULL)) { + status = VXGE_HW_ERR_INVALID_HANDLE; + goto exit; + } - if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_RXDCM_SC_ABORT) - & ~mask64) { - sw_stats->error_stats.prc_rxdcm_sc_abort++; + vpath = vp->vpath; - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_VPATH_ERR, - alarm_event); - } + val64 = readq(&vpath->vp_reg->rxmac_vcfg0); - if ((val64 & VXGE_HW_PRC_ALARM_REG_PRC_QUANTA_SIZE_ERR) - & ~mask64) { - sw_stats->error_stats.prc_quanta_size_err++; + if (!(val64 & VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN)) { + val64 |= VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN; + writeq(val64, &vpath->vp_reg->rxmac_vcfg0); + } +exit: + return status; +} - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_VPATH_ERR, - alarm_event); - } +/** + * vxge_hw_vpath_mcast_disable - Disable multicast addresses. + * @vp: Vpath handle. + * + * Disable Titan-e multicast addresses. + * Returns: VXGE_HW_OK - success. + * VXGE_HW_ERR_INVALID_HANDLE - Invalid handle + * + */ +enum vxge_hw_status +vxge_hw_vpath_mcast_disable(struct __vxge_hw_vpath_handle *vp) +{ + u64 val64; + struct __vxge_hw_virtualpath *vpath; + enum vxge_hw_status status = VXGE_HW_OK; - if (!skip_alarms) { - writeq(VXGE_HW_INTR_MASK_ALL, - &vp_reg->prc_alarm_reg); - alarm_event = VXGE_HW_SET_LEVEL( - VXGE_HW_EVENT_ALARM_CLEARED, - alarm_event); - } - } + if ((vp == NULL) || (vp->vpath->ringh == NULL)) { + status = VXGE_HW_ERR_INVALID_HANDLE; + goto exit; } -out: - hldev->stats.sw_dev_err_stats.vpath_alarms++; -out2: - if ((alarm_event == VXGE_HW_EVENT_ALARM_CLEARED) || - (alarm_event == VXGE_HW_EVENT_UNKNOWN)) - return VXGE_HW_OK; - __vxge_hw_device_handle_error(hldev, vpath->vp_id, alarm_event); + vpath = vp->vpath; - if (alarm_event == VXGE_HW_EVENT_SERR) - return VXGE_HW_ERR_CRITICAL; + val64 = readq(&vpath->vp_reg->rxmac_vcfg0); - return (alarm_event == VXGE_HW_EVENT_SLOT_FREEZE) ? - VXGE_HW_ERR_SLOT_FREEZE : - (alarm_event == VXGE_HW_EVENT_FIFO_ERR) ? VXGE_HW_ERR_FIFO : - VXGE_HW_ERR_VPATH; + if (val64 & VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN) { + val64 &= ~VXGE_HW_RXMAC_VCFG0_MCAST_ALL_ADDR_EN; + writeq(val64, &vpath->vp_reg->rxmac_vcfg0); + } +exit: + return status; } /* diff --git a/drivers/net/vxge/vxge-traffic.h b/drivers/net/vxge/vxge-traffic.h index 1fceee876228..8c3103fb6442 100644 --- a/drivers/net/vxge/vxge-traffic.h +++ b/drivers/net/vxge/vxge-traffic.h @@ -2081,10 +2081,6 @@ struct __vxge_hw_ring_rxd_priv { #endif }; -/* ========================= FIFO PRIVATE API ============================= */ - -struct vxge_hw_fifo_attr; - struct vxge_hw_mempool_cbs { void (*item_func_alloc)( struct vxge_hw_mempool *mempoolh, @@ -2158,27 +2154,27 @@ enum vxge_hw_vpath_mac_addr_add_mode { enum vxge_hw_status vxge_hw_vpath_mac_addr_add( struct __vxge_hw_vpath_handle *vpath_handle, - u8 (macaddr)[ETH_ALEN], - u8 (macaddr_mask)[ETH_ALEN], + u8 *macaddr, + u8 *macaddr_mask, enum vxge_hw_vpath_mac_addr_add_mode duplicate_mode); enum vxge_hw_status vxge_hw_vpath_mac_addr_get( struct __vxge_hw_vpath_handle *vpath_handle, - u8 (macaddr)[ETH_ALEN], - u8 (macaddr_mask)[ETH_ALEN]); + u8 *macaddr, + u8 *macaddr_mask); enum vxge_hw_status vxge_hw_vpath_mac_addr_get_next( struct __vxge_hw_vpath_handle *vpath_handle, - u8 (macaddr)[ETH_ALEN], - u8 (macaddr_mask)[ETH_ALEN]); + u8 *macaddr, + u8 *macaddr_mask); enum vxge_hw_status vxge_hw_vpath_mac_addr_delete( struct __vxge_hw_vpath_handle *vpath_handle, - u8 (macaddr)[ETH_ALEN], - u8 (macaddr_mask)[ETH_ALEN]); + u8 *macaddr, + u8 *macaddr_mask); enum vxge_hw_status vxge_hw_vpath_vid_add( @@ -2285,6 +2281,7 @@ vxge_hw_channel_dtr_free(struct __vxge_hw_channel *channel, void *dtrh); int vxge_hw_channel_dtr_count(struct __vxge_hw_channel *channel); + void vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id); -- 2.30.2