From 9c04cfcd4aad232e36306cdc5c74cd9fc9148a7e Mon Sep 17 00:00:00 2001 From: Dinghao Liu Date: Sun, 28 Feb 2021 19:50:58 +0800 Subject: [PATCH 1/4] i40e: Fix error handling in i40e_vsi_open When vsi->type == I40E_VSI_FDIR, we have caught the return value of i40e_vsi_request_irq() but without further handling. Check and execute memory clean on failure just like the other i40e_vsi_request_irq(). Fixes: 8a9eb7d3cbcab ("i40e: rework fdir setup and teardown") Signed-off-by: Dinghao Liu Tested-by: Tony Brelinski Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 704e474879c5b..526fa0a791ea3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -8703,6 +8703,8 @@ int i40e_vsi_open(struct i40e_vsi *vsi) dev_driver_string(&pf->pdev->dev), dev_name(&pf->pdev->dev)); err = i40e_vsi_request_irq(vsi, int_name); + if (err) + goto err_setup_rx; } else { err = -EINVAL; From 9262793e59f0423437166a879a73d056b1fe6f9a Mon Sep 17 00:00:00 2001 From: Mateusz Palczewski Date: Wed, 10 Mar 2021 11:12:54 +0000 Subject: [PATCH 2/4] i40e: Fix autoneg disabling for non-10GBaseT links Disabling autonegotiation was allowed only for 10GBaseT PHY. The condition was changed to check if link media type is BaseT. Fixes: 3ce12ee9d8f9 ("i40e: Fix order of checks when enabling/disabling autoneg in ethtool") Reviewed-by: Aleksandr Loktionov Reviewed-by: Karen Sornek Signed-off-by: Dawid Lukwinski Signed-off-by: Mateusz Palczewski Tested-by: Tony Brelinski Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index ccd5b9486ea98..3e822bad48513 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -1262,8 +1262,7 @@ static int i40e_set_link_ksettings(struct net_device *netdev, if (ethtool_link_ksettings_test_link_mode(&safe_ks, supported, Autoneg) && - hw->phy.link_info.phy_type != - I40E_PHY_TYPE_10GBASE_T) { + hw->phy.media_type != I40E_MEDIA_TYPE_BASET) { netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); err = -EINVAL; goto done; From 26b0ce8dd3dd704393dbace4dc416adfeffe531f Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Fri, 7 May 2021 11:56:25 -0700 Subject: [PATCH 3/4] i40e: fix PTP on 5Gb links As reported by Alex Sergeev, the i40e driver is incrementing the PTP clock at 40Gb speeds when linked at 5Gb. Fix this bug by making sure that the right multiplier is selected when linked at 5Gb. Fixes: 3dbdd6c2f70a ("i40e: Add support for 5Gbps cards") Cc: stable@vger.kernel.org Reported-by: Alex Sergeev Suggested-by: Alex Sergeev Signed-off-by: Jesse Brandeburg Tested-by: Tony Brelinski Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/i40e/i40e_ptp.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c index f1f6fc3744e9c..7b971b205d36a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c @@ -11,13 +11,14 @@ * operate with the nanosecond field directly without fear of overflow. * * Much like the 82599, the update period is dependent upon the link speed: - * At 40Gb link or no link, the period is 1.6ns. - * At 10Gb link, the period is multiplied by 2. (3.2ns) + * At 40Gb, 25Gb, or no link, the period is 1.6ns. + * At 10Gb or 5Gb link, the period is multiplied by 2. (3.2ns) * At 1Gb link, the period is multiplied by 20. (32ns) * 1588 functionality is not supported at 100Mbps. */ #define I40E_PTP_40GB_INCVAL 0x0199999999ULL #define I40E_PTP_10GB_INCVAL_MULT 2 +#define I40E_PTP_5GB_INCVAL_MULT 2 #define I40E_PTP_1GB_INCVAL_MULT 20 #define I40E_PRTTSYN_CTL1_TSYNTYPE_V1 BIT(I40E_PRTTSYN_CTL1_TSYNTYPE_SHIFT) @@ -465,6 +466,9 @@ void i40e_ptp_set_increment(struct i40e_pf *pf) case I40E_LINK_SPEED_10GB: mult = I40E_PTP_10GB_INCVAL_MULT; break; + case I40E_LINK_SPEED_5GB: + mult = I40E_PTP_5GB_INCVAL_MULT; + break; case I40E_LINK_SPEED_1GB: mult = I40E_PTP_1GB_INCVAL_MULT; break; From 956e759d5f8e0859e86b951a8779c60af633aafd Mon Sep 17 00:00:00 2001 From: Jan Sokolowski Date: Fri, 11 Jun 2021 12:01:41 +0200 Subject: [PATCH 4/4] i40e: Fix missing rtnl locking when setting up pf switch A recent change that made i40e use new udp_tunnel infrastructure uses a method that expects to be called under rtnl lock. However, not all codepaths do the lock prior to calling i40e_setup_pf_switch. Fix that by adding additional rtnl locking and unlocking. Fixes: 40a98cb6f01f ("i40e: convert to new udp_tunnel infrastructure") Signed-off-by: Jan Sokolowski Signed-off-by: Mateusz Palczewski Tested-by: Tony Brelinski Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/i40e/i40e_main.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 526fa0a791ea3..f9fe500d4ec44 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -32,7 +32,7 @@ static void i40e_vsi_reinit_locked(struct i40e_vsi *vsi); static void i40e_handle_reset_warning(struct i40e_pf *pf, bool lock_acquired); static int i40e_add_vsi(struct i40e_vsi *vsi); static int i40e_add_veb(struct i40e_veb *veb, struct i40e_vsi *vsi); -static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit); +static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit, bool lock_acquired); static int i40e_setup_misc_vector(struct i40e_pf *pf); static void i40e_determine_queue_usage(struct i40e_pf *pf); static int i40e_setup_pf_filter_control(struct i40e_pf *pf); @@ -10571,7 +10571,7 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) #endif /* CONFIG_I40E_DCB */ if (!lock_acquired) rtnl_lock(); - ret = i40e_setup_pf_switch(pf, reinit); + ret = i40e_setup_pf_switch(pf, reinit, true); if (ret) goto end_unlock; @@ -14629,10 +14629,11 @@ int i40e_fetch_switch_configuration(struct i40e_pf *pf, bool printconfig) * i40e_setup_pf_switch - Setup the HW switch on startup or after reset * @pf: board private structure * @reinit: if the Main VSI needs to re-initialized. + * @lock_acquired: indicates whether or not the lock has been acquired * * Returns 0 on success, negative value on failure **/ -static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit) +static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit, bool lock_acquired) { u16 flags = 0; int ret; @@ -14734,9 +14735,15 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit) i40e_ptp_init(pf); + if (!lock_acquired) + rtnl_lock(); + /* repopulate tunnel port filters */ udp_tunnel_nic_reset_ntf(pf->vsi[pf->lan_vsi]->netdev); + if (!lock_acquired) + rtnl_unlock(); + return ret; } @@ -15530,7 +15537,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; } #endif - err = i40e_setup_pf_switch(pf, false); + err = i40e_setup_pf_switch(pf, false, false); if (err) { dev_info(&pdev->dev, "setup_pf_switch failed: %d\n", err); goto err_vsis;