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Commit 8eed76fa authored by Anjali Singhai Jain's avatar Anjali Singhai Jain Committed by Jeff Kirsher
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i40e: Cleanup the code with respect to restarting autoneg 



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: default avatarAnjali Singhai Jain <anjali.singhai@intel.com>
Change-ID: I942c3ff40cccd1e56f424b1da776b020fe3c9d2a
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 10311540

drivers/net/ethernet/intel/i40e/i40e.h

+1 −0
Original line number Diff line number Diff line
@@ -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)

#define I40E_FLAG_PF_MAC			BIT_ULL(50)



	/* tracks features that get auto disabled by errors */

drivers/net/ethernet/intel/i40e/i40e_main.c

+8 −4
Original line number Diff line number Diff line
@@ -6889,8 +6889,7 @@ static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit) 
		wr32(hw, I40E_REG_MSS, val);

	}



	if (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 33)) ||

	    (pf->hw.aq.fw_maj_ver < 4)) {

	if (pf->flags & I40E_FLAG_RESTART_AUTONEG) {

		msleep(75);

		ret = i40e_aq_set_link_restart_an(&pf->hw, true, NULL);

		if (ret)
@@ -8367,6 +8366,12 @@ 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;
@@ -10904,8 +10909,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 
		wr32(hw, I40E_REG_MSS, val);

	}



	if (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 33)) ||

	    (pf->hw.aq.fw_maj_ver < 4)) {

	if (pf->flags & I40E_FLAG_RESTART_AUTONEG) {

		msleep(75);

		err = i40e_aq_set_link_restart_an(&pf->hw, true, NULL);

		if (err)