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authorCatherine Sullivan <catherine.sullivan@intel.com>2014-06-04 01:23:20 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2014-06-24 18:19:04 -0700
commit1ac978af7caca1aa857802822602520a58a50018 (patch)
tree46d16ee66135f55f464e3ec826abffb58c72d406 /drivers
parentc571ea05a03da856b1e9f8c0355128a7044d6a91 (diff)
downloadlinux-1ac978af7caca1aa857802822602520a58a50018.tar.bz2
i40e: Add ablitity to enable/disable link from set_link_restart_an
The ability is already there in the fw and this will make it easy to toggle link without calling set_phy_config when no other link settings need to change. Change-ID: I185567ae81776382ac145247e4eb1ee95f22382c Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_common.c8
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_ethtool.c3
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_prototype.h3
3 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index a51bba634718..bbace40bd114 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -971,12 +971,14 @@ i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
/**
* i40e_aq_set_link_restart_an
* @hw: pointer to the hw struct
+ * @enable_link: if true: enable link, if false: disable link
* @cmd_details: pointer to command details structure or NULL
*
* Sets up the link and restarts the Auto-Negotiation over the link.
**/
i40e_status i40e_aq_set_link_restart_an(struct i40e_hw *hw,
- struct i40e_asq_cmd_details *cmd_details)
+ bool enable_link,
+ struct i40e_asq_cmd_details *cmd_details)
{
struct i40e_aq_desc desc;
struct i40e_aqc_set_link_restart_an *cmd =
@@ -987,6 +989,10 @@ i40e_status i40e_aq_set_link_restart_an(struct i40e_hw *hw,
i40e_aqc_opc_set_link_restart_an);
cmd->command = I40E_AQ_PHY_RESTART_AN;
+ if (enable_link)
+ cmd->command |= I40E_AQ_PHY_LINK_ENABLE;
+ else
+ cmd->command &= ~I40E_AQ_PHY_LINK_ENABLE;
status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 7da37581bc02..df89b6c3db41 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -1027,9 +1027,10 @@ static int i40e_nway_reset(struct net_device *netdev)
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_pf *pf = np->vsi->back;
struct i40e_hw *hw = &pf->hw;
+ bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
i40e_status ret = 0;
- ret = i40e_aq_set_link_restart_an(hw, NULL);
+ ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
if (ret) {
netdev_info(netdev, "link restart failed, aq_err=%d\n",
pf->hw.aq.asq_last_status);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h
index a430699c41d5..3300b996a467 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h
@@ -77,7 +77,8 @@ i40e_status i40e_aq_set_default_vsi(struct i40e_hw *hw, u16 vsi_id,
i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
struct i40e_asq_cmd_details *cmd_details);
i40e_status i40e_aq_set_link_restart_an(struct i40e_hw *hw,
- struct i40e_asq_cmd_details *cmd_details);
+ bool enable_link,
+ struct i40e_asq_cmd_details *cmd_details);
i40e_status i40e_aq_get_link_info(struct i40e_hw *hw,
bool enable_lse, struct i40e_link_status *link,
struct i40e_asq_cmd_details *cmd_details);