From 9d6a6440fe30132e4d1f1aadd099345ced9178fb Mon Sep 17 00:00:00 2001 From: Anirban Chakraborty Date: Wed, 22 Jun 2011 02:52:22 +0000 Subject: [PATCH] qlcnic: Add support to enable/disable FW dump capability In certain situations, it may be required to not enable FW dump capability. Add support to turn off/on FW dump capability. Signed-off-by: Anirban Chakraborty Signed-off-by: David S. Miller --- drivers/net/qlcnic/qlcnic.h | 3 +++ drivers/net/qlcnic/qlcnic_ctx.c | 1 + drivers/net/qlcnic/qlcnic_ethtool.c | 19 +++++++++++++++++++ drivers/net/qlcnic/qlcnic_main.c | 8 +++++--- 4 files changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index 58d7616eaee2..0be84bdb55b8 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -429,6 +429,7 @@ struct qlcnic_dump_template_hdr { struct qlcnic_fw_dump { u8 clr; /* flag to indicate if dump is cleared */ + u8 enable; /* enable/disable dump */ u32 size; /* total size of the dump */ void *data; /* dump data area */ struct qlcnic_dump_template_hdr *tmpl_hdr; @@ -1320,6 +1321,8 @@ enum op_codes { #define QLCNIC_DUMP_MASK_DEF 0x7f #define QLCNIC_DUMP_MASK_MAX 0xff #define QLCNIC_FORCE_FW_DUMP_KEY 0xdeadfeed +#define QLCNIC_ENABLE_FW_DUMP 0xaddfeed +#define QLCNIC_DISABLE_FW_DUMP 0xbadfeed struct qlcnic_dump_operations { enum op_codes opcode; diff --git a/drivers/net/qlcnic/qlcnic_ctx.c b/drivers/net/qlcnic/qlcnic_ctx.c index be2dee155bd8..33f5c8a8b551 100644 --- a/drivers/net/qlcnic/qlcnic_ctx.c +++ b/drivers/net/qlcnic/qlcnic_ctx.c @@ -150,6 +150,7 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter) tmpl_hdr->drv_cap_mask = tmpl_hdr->cap_mask; else tmpl_hdr->drv_cap_mask = QLCNIC_DUMP_MASK_DEF; + ahw->fw_dump.enable = 1; error: dma_free_coherent(&adapter->pdev->dev, temp_size, tmp_addr, tmp_addr_t); return err; diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c index e183ed2271b2..31f5cba62223 100644 --- a/drivers/net/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/qlcnic/qlcnic_ethtool.c @@ -1019,8 +1019,27 @@ qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val) struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; if (val->flag == QLCNIC_FORCE_FW_DUMP_KEY) { + if (!fw_dump->enable) { + netdev_info(netdev, "FW dump not enabled\n"); + return ret; + } + if (fw_dump->clr) { + dev_info(&adapter->pdev->dev, + "Previous dump not cleared, not forcing dump\n"); + return ret; + } netdev_info(netdev, "Forcing a FW dump\n"); qlcnic_dev_request_reset(adapter); + } else if (val->flag == QLCNIC_DISABLE_FW_DUMP) { + if (fw_dump->enable) { + netdev_info(netdev, "Disabling FW dump\n"); + fw_dump->enable = 0; + } + } else if (val->flag == QLCNIC_ENABLE_FW_DUMP) { + if (!fw_dump->enable && fw_dump->tmpl_hdr) { + netdev_info(netdev, "Enabling FW dump\n"); + fw_dump->enable = 1; + } } else { if (val->flag > QLCNIC_DUMP_MASK_MAX || val->flag < QLCNIC_DUMP_MASK_MIN) { diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 5dcb853224c9..ac7f8a2f7d9c 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -2849,9 +2849,11 @@ skip_ack_check: qlcnic_api_unlock(adapter); rtnl_lock(); - QLCDB(adapter, DRV, "Take FW dump\n"); - qlcnic_dump_fw(adapter); - adapter->flags &= ~QLCNIC_FW_RESET_OWNER; + if (adapter->ahw->fw_dump.enable) { + QLCDB(adapter, DRV, "Take FW dump\n"); + qlcnic_dump_fw(adapter); + adapter->flags &= ~QLCNIC_FW_RESET_OWNER; + } rtnl_unlock(); if (!adapter->nic_ops->start_firmware(adapter)) { qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); -- 2.30.2