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i40e: Add FW check to disable DCB and wrap autoneg workaround with FW check

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For FW < 4.33 DCB should be disabled.
Also Autoneg workaround to avoid Rx stall is still needed for FW < 4.33.

Change-ID: Iff36ad86be2f597e7701096014d6d094332a9a21
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Anjali Singhai Jain 2015-02-24 06:58:46 +00:00 committed by Jeff Kirsher
parent 9a3bd2f1e3
commit 025b4a545f
1 changed files with 19 additions and 12 deletions
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15
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -4551,6 +4551,11 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf)
struct i40e_hw *hw = &pf->hw;
int err = 0;
/* Do not enable DCB for SW1 and SW2 images even if the FW is capable */
if (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 33)) ||
(pf->hw.aq.fw_maj_ver < 4))
goto out;
/* Get the initial DCB configuration */
err = i40e_init_dcb(hw);
if (!err) {
@ -6311,13 +6316,14 @@ static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit)
}
}
if (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 33)) ||
(pf->hw.aq.fw_maj_ver < 4)) {
msleep(75);
ret = i40e_aq_set_link_restart_an(&pf->hw, true, NULL);
if (ret) {
if (ret)
dev_info(&pf->pdev->dev, "link restart failed, aq_err=%d\n",
pf->hw.aq.asq_last_status);
}
/* reinit the misc interrupt */
if (pf->flags & I40E_FLAG_MSIX_ENABLED)
ret = i40e_setup_misc_vector(pf);
@ -9677,13 +9683,14 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
dev_info(&pf->pdev->dev, "set phy mask fail, aq_err %d\n", err);
if (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 33)) ||
(pf->hw.aq.fw_maj_ver < 4)) {
msleep(75);
err = i40e_aq_set_link_restart_an(&pf->hw, true, NULL);
if (err) {
if (err)
dev_info(&pf->pdev->dev, "link restart failed, aq_err=%d\n",
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.