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Date: Fri, 16 Jan 2015 05:28:59 -0800 From: Jeff Kirsher <jeffrey.t.kirsher@...el.com> To: davem@...emloft.net Cc: Neerav Parikh <neerav.parikh@...el.com>, netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com, Jeff Kirsher <jeffrey.t.kirsher@...el.com> Subject: [net-next v2 10/17] i40e: Issue "Stop LLDP" command for firmware older than v4.3 From: Neerav Parikh <neerav.parikh@...el.com> Disable firmware LLDP agent for NICs with firmware version lower than v4.3. Added a message when driver disables the firmware LLDP agent on such NICs. Change-ID: Ia8abf89439c70cb50e23db82753d7d282265506b Signed-off-by: Neerav Parikh <neerav.parikh@...el.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> --- drivers/net/ethernet/intel/i40e/i40e_main.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 0cc0266..d7efc1c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -9245,6 +9245,16 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_configure_lan_hmc; } + /* Disable LLDP for NICs that have firmware versions lower than v4.3. + * Ignore error return codes because if it was already disabled via + * hardware settings this will fail + */ + if (((pf->hw.aq.fw_maj_ver == 4) && (pf->hw.aq.fw_min_ver < 3)) || + (pf->hw.aq.fw_maj_ver < 4)) { + dev_info(&pdev->dev, "Stopping firmware LLDP agent.\n"); + i40e_aq_stop_lldp(hw, true, NULL); + } + i40e_get_mac_addr(hw, hw->mac.addr); if (!is_valid_ether_addr(hw->mac.addr)) { dev_info(&pdev->dev, "invalid MAC address %pM\n", hw->mac.addr); -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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