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bnxt_en: Shutdown link when device is closed. 

Let firmware know that the driver is giving up control of the link so that
it can be shutdown if no management firmware is running.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2016-04-11 04:11:12 -04:00 committed by David S. Miller
parent 03efbec031
commit 33f7d55f07
1 changed files with 16 additions and 0 deletions
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16
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -4790,6 +4790,21 @@ int bnxt_hwrm_set_link_setting(struct bnxt *bp, bool set_pause, bool set_eee)
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_hwrm_shutdown_link(struct bnxt *bp)
{
struct hwrm_port_phy_cfg_input req = {0};
if (BNXT_VF(bp))
return 0;
if (pci_num_vf(bp->pdev))
return 0;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
req.flags = cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE_LINK_DOWN);
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static bool bnxt_eee_config_ok(struct bnxt *bp)
{
struct ethtool_eee *eee = &bp->eee;
@ -5044,6 +5059,7 @@ static int bnxt_close(struct net_device *dev)
struct bnxt *bp = netdev_priv(dev);
bnxt_close_nic(bp, true, true);
bnxt_hwrm_shutdown_link(bp);
return 0;
}