From 1ac978af7caca1aa857802822602520a58a50018 Mon Sep 17 00:00:00 2001 From: Catherine Sullivan Date: Wed, 4 Jun 2014 01:23:20 +0000 Subject: [PATCH] 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 Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_common.c | 8 +++++++- drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 3 ++- drivers/net/ethernet/intel/i40e/i40e_prototype.h | 3 ++- 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); -- 2.20.1