From 19b85e677df44b954c23a47395edf5a6c379771b Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Mon, 18 Apr 2016 11:33:45 -0700 Subject: [PATCH] i40evf: Drop packet split receive routine As part of preparation for the rx-refactor, remove the packet split receive routine and ancillary code. Some of the split related context set up code stays in i40e_virtchnl_pf.c in case an older VF driver tries to load and still wants to use packet split. Signed-off-by: Jesse Brandeburg Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- .../ethernet/intel/i40e/i40e_virtchnl_pf.c | 2 +- drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 21 +------------- drivers/net/ethernet/intel/i40evf/i40e_txrx.h | 7 ----- drivers/net/ethernet/intel/i40evf/i40evf.h | 2 -- .../ethernet/intel/i40evf/i40evf_ethtool.c | 14 ---------- .../net/ethernet/intel/i40evf/i40evf_main.c | 28 +------------------ .../ethernet/intel/i40evf/i40evf_virtchnl.c | 4 --- 7 files changed, 3 insertions(+), 75 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 6b9db7983693..36aa33af45c0 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -590,7 +590,7 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, } rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT; - /* set splitalways mode 10b */ + /* set split mode 10b */ rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT; } diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index a37a3f34ed4f..61d4a7a8e0be 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -504,22 +504,6 @@ void i40evf_clean_rx_ring(struct i40e_ring *rx_ring) if (!rx_ring->rx_bi) return; - if (ring_is_ps_enabled(rx_ring)) { - int bufsz = ALIGN(rx_ring->rx_hdr_len, 256) * rx_ring->count; - - rx_bi = &rx_ring->rx_bi[0]; - if (rx_bi->hdr_buf) { - dma_free_coherent(dev, - bufsz, - rx_bi->hdr_buf, - rx_bi->dma); - for (i = 0; i < rx_ring->count; i++) { - rx_bi = &rx_ring->rx_bi[i]; - rx_bi->dma = 0; - rx_bi->hdr_buf = NULL; - } - } - } /* Free all the Rx ring sk_buffs */ for (i = 0; i < rx_ring->count; i++) { rx_bi = &rx_ring->rx_bi[i]; @@ -1435,10 +1419,7 @@ int i40evf_napi_poll(struct napi_struct *napi, int budget) i40e_for_each_ring(ring, q_vector->rx) { int cleaned; - if (ring_is_ps_enabled(ring)) - cleaned = i40e_clean_rx_irq_ps(ring, budget_per_ring); - else - cleaned = i40e_clean_rx_irq_1buf(ring, budget_per_ring); + cleaned = i40e_clean_rx_irq_1buf(ring, budget_per_ring); work_done += cleaned; /* if we clean as many as budgeted, we must not be done */ diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h index 3b3f9764c235..f24a97edbd4c 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h @@ -244,16 +244,9 @@ struct i40e_rx_queue_stats { enum i40e_ring_state_t { __I40E_TX_FDIR_INIT_DONE, __I40E_TX_XPS_INIT_DONE, - __I40E_RX_PS_ENABLED, __I40E_RX_16BYTE_DESC_ENABLED, }; -#define ring_is_ps_enabled(ring) \ - test_bit(__I40E_RX_PS_ENABLED, &(ring)->state) -#define set_ring_ps_enabled(ring) \ - set_bit(__I40E_RX_PS_ENABLED, &(ring)->state) -#define clear_ring_ps_enabled(ring) \ - clear_bit(__I40E_RX_PS_ENABLED, &(ring)->state) #define ring_is_16byte_desc_enabled(ring) \ test_bit(__I40E_RX_16BYTE_DESC_ENABLED, &(ring)->state) #define set_ring_16byte_desc_enabled(ring) \ diff --git a/drivers/net/ethernet/intel/i40evf/i40evf.h b/drivers/net/ethernet/intel/i40evf/i40evf.h index 25afabf999d0..83ccc58894e5 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf.h +++ b/drivers/net/ethernet/intel/i40evf/i40evf.h @@ -209,8 +209,6 @@ struct i40evf_adapter { u32 flags; #define I40EVF_FLAG_RX_CSUM_ENABLED BIT(0) #define I40EVF_FLAG_RX_1BUF_CAPABLE BIT(1) -#define I40EVF_FLAG_RX_PS_CAPABLE BIT(2) -#define I40EVF_FLAG_RX_PS_ENABLED BIT(3) #define I40EVF_FLAG_IMIR_ENABLED BIT(5) #define I40EVF_FLAG_MQ_CAPABLE BIT(6) #define I40EVF_FLAG_NEED_LINK_UPDATE BIT(7) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c index 5a48ee07688f..e972ebcb1ac1 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c @@ -527,12 +527,8 @@ static int i40evf_set_rxfh(struct net_device *netdev, const u32 *indir, **/ static u32 i40evf_get_priv_flags(struct net_device *dev) { - struct i40evf_adapter *adapter = netdev_priv(dev); u32 ret_flags = 0; - ret_flags |= adapter->flags & I40EVF_FLAG_RX_PS_ENABLED ? - I40EVF_PRIV_FLAGS_PS : 0; - return ret_flags; } @@ -546,16 +542,6 @@ static int i40evf_set_priv_flags(struct net_device *dev, u32 flags) struct i40evf_adapter *adapter = netdev_priv(dev); bool reset_required = false; - if ((flags & I40EVF_PRIV_FLAGS_PS) && - !(adapter->flags & I40EVF_FLAG_RX_PS_ENABLED)) { - adapter->flags |= I40EVF_FLAG_RX_PS_ENABLED; - reset_required = true; - } else if (!(flags & I40EVF_PRIV_FLAGS_PS) && - (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED)) { - adapter->flags &= ~I40EVF_FLAG_RX_PS_ENABLED; - reset_required = true; - } - /* if needed, issue reset to cause things to take effect */ if (reset_required) i40evf_schedule_reset(adapter); diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 9f0bd7acc22a..52408bc103d6 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -641,28 +641,11 @@ static void i40evf_configure_tx(struct i40evf_adapter *adapter) static void i40evf_configure_rx(struct i40evf_adapter *adapter) { struct i40e_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; int i; - int rx_buf_len; - - - /* Set the RX buffer length according to the mode */ - if (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED || - netdev->mtu <= ETH_DATA_LEN) - rx_buf_len = I40EVF_RXBUFFER_2048; - else - rx_buf_len = ALIGN(max_frame, 1024); for (i = 0; i < adapter->num_active_queues; i++) { adapter->rx_rings[i].tail = hw->hw_addr + I40E_QRX_TAIL1(i); - adapter->rx_rings[i].rx_buf_len = rx_buf_len; - if (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED) { - set_ring_ps_enabled(&adapter->rx_rings[i]); - adapter->rx_rings[i].rx_hdr_len = I40E_RX_HDR_SIZE; - } else { - clear_ring_ps_enabled(&adapter->rx_rings[i]); - } + adapter->rx_rings[i].rx_buf_len = I40EVF_RXBUFFER_2048; } } @@ -1007,12 +990,7 @@ static void i40evf_configure(struct i40evf_adapter *adapter) for (i = 0; i < adapter->num_active_queues; i++) { struct i40e_ring *ring = &adapter->rx_rings[i]; - if (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED) { - i40evf_alloc_rx_headers(ring); - i40evf_alloc_rx_buffers_ps(ring, ring->count); - } else { i40evf_alloc_rx_buffers_1buf(ring, ring->count); - } ring->next_to_use = ring->count - 1; writel(ring->next_to_use, ring->tail); } @@ -2424,10 +2402,6 @@ static void i40evf_init_task(struct work_struct *work) adapter->flags |= I40EVF_FLAG_RX_CSUM_ENABLED; adapter->flags |= I40EVF_FLAG_RX_1BUF_CAPABLE; - adapter->flags |= I40EVF_FLAG_RX_PS_CAPABLE; - - /* Default to single buffer rx, can be changed through ethtool. */ - adapter->flags &= ~I40EVF_FLAG_RX_PS_ENABLED; netdev->netdev_ops = &i40evf_netdev_ops; i40evf_set_ethtool_ops(netdev); diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c index ba7fbc0608a6..c5d33a2cea87 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c @@ -270,10 +270,6 @@ void i40evf_configure_queues(struct i40evf_adapter *adapter) vqpi->rxq.max_pkt_size = adapter->netdev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN; vqpi->rxq.databuffer_size = adapter->rx_rings[i].rx_buf_len; - if (adapter->flags & I40EVF_FLAG_RX_PS_ENABLED) { - vqpi->rxq.splithdr_enabled = true; - vqpi->rxq.hdr_size = I40E_RX_HDR_SIZE; - } vqpi++; } -- 2.30.2