From 28c18a6eb9c636a9eba8be44345648d965482716 Mon Sep 17 00:00:00 2001 From: Anjali Singhai Jain Date: Wed, 9 Dec 2015 15:50:31 -0800 Subject: [PATCH] i40e: Cleanup the code with respect to restarting autoneg Orabug: 22342532 The restart-autoneg work around does not apply to X722. Added a flag to set it only for the right MAC and right FW version where the work around should be applied. Signed-off-by: Anjali Singhai Jain Change-ID: I942c3ff40cccd1e56f424b1da776b020fe3c9d2a Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher (cherry picked from commit 8eed76fa4885f1ed9f19f4d3a16dd24cebf09c19) Signed-off-by: Brian Maly Conflicts: drivers/net/ethernet/intel/i40e/i40e.h drivers/net/ethernet/intel/i40e/i40e_main.c --- drivers/net/ethernet/intel/i40e/i40e.h | 1 + drivers/net/ethernet/intel/i40e/i40e_main.c | 38 ++++++++++++--------- 2 files changed, 23 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 9c12aa89b5f2..5a580992cc16 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -340,6 +340,7 @@ struct i40e_pf { #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41) #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42) #define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43) +#define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44) /* tracks features that get auto disabled by errors */ u64 auto_disable_flags; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index a934973799c8..f10ac51f0ce9 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -6836,15 +6836,15 @@ static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit) } } - msleep(75); - ret = i40e_aq_set_link_restart_an(&pf->hw, true, NULL); - if (ret) { - dev_info(&pf->pdev->dev, "link restart failed, err %s aq_err %s\n", - i40e_stat_str(&pf->hw, ret), - i40e_aq_str(&pf->hw, - pf->hw.aq.asq_last_status)); + if (pf->flags & I40E_FLAG_RESTART_AUTONEG) { + msleep(75); + ret = i40e_aq_set_link_restart_an(&pf->hw, true, NULL); + if (ret) + dev_info(&pf->pdev->dev, "link restart failed, err %s aq_err %s\n", + i40e_stat_str(&pf->hw, ret), + i40e_aq_str(&pf->hw, + pf->hw.aq.asq_last_status)); } - /* reinit the misc interrupt */ if (pf->flags & I40E_FLAG_MSIX_ENABLED) ret = i40e_setup_misc_vector(pf); @@ -8313,6 +8313,12 @@ static int i40e_sw_init(struct i40e_pf *pf) pf->hw.func_caps.fd_filters_best_effort; } + if (((pf->hw.mac.type == I40E_MAC_X710) || + (pf->hw.mac.type == I40E_MAC_XL710)) && + (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 33)) || + (pf->hw.aq.fw_maj_ver < 4))) + pf->flags |= I40E_FLAG_RESTART_AUTONEG; + if (pf->hw.func_caps.vmdq) { pf->num_vmdq_vsis = I40E_DEFAULT_NUM_VMDQ_VSI; pf->flags |= I40E_FLAG_VMDQ_ENABLED; @@ -10750,15 +10756,15 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) i40e_stat_str(&pf->hw, err), i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status)); - msleep(75); - err = i40e_aq_set_link_restart_an(&pf->hw, true, NULL); - if (err) { - dev_info(&pf->pdev->dev, "link restart failed, err %s aq_err %s\n", - i40e_stat_str(&pf->hw, err), - i40e_aq_str(&pf->hw, - pf->hw.aq.asq_last_status)); + if (pf->flags & I40E_FLAG_RESTART_AUTONEG) { + msleep(75); + err = i40e_aq_set_link_restart_an(&pf->hw, true, NULL); + if (err) + dev_info(&pf->pdev->dev, "link restart failed, err %s aq_err %s\n", + i40e_stat_str(&pf->hw, err), + i40e_aq_str(&pf->hw, + pf->hw.aq.asq_last_status)); } - /* The main driver is (mostly) up and happy. We need to set this state * before setting up the misc vector or we get a race and the vector * ends up disabled forever. -- 2.50.1