From: Deepak Khungar <deepak.khungar@broadcom.com>
Date: Mon, 19 Sep 2016 07:58:08 +0000 (-0400)
Subject: bnxt_en: Support for "ethtool -r" command
X-Git-Tag: v4.1.12-92~10^2~32
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ee3cc21cd27568fef4cab33c8f4c711f096e90cc;p=users%2Fjedix%2Flinux-maple.git

bnxt_en: Support for "ethtool -r" command

Orabug: 24567991

Restart autoneg if autoneg is enabled.

Signed-off-by: Deepak Khungar <deepak.khungar@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit ae8e98a6fa7a73917196c507e43414ea96b6a0fc)
Signed-off-by: Brian Maly <brian.maly@oracle.com>
Signed-off-by: Dhaval Giani <dhaval.giani@oracle.com>
---

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 0260390798b5..30908d0fe66f 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -2070,6 +2070,25 @@ static int bnxt_get_module_eeprom(struct net_device *dev,
 	return rc;
 }
 
+static int bnxt_nway_reset(struct net_device *dev)
+{
+	int rc = 0;
+
+	struct bnxt *bp = netdev_priv(dev);
+	struct bnxt_link_info *link_info = &bp->link_info;
+
+	if (!BNXT_SINGLE_PF(bp))
+		return -EOPNOTSUPP;
+
+	if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
+		return -EINVAL;
+
+	if (netif_running(dev))
+		rc = bnxt_hwrm_set_link_setting(bp, true, false);
+
+	return rc;
+}
+
 const struct ethtool_ops bnxt_ethtool_ops = {
 #ifdef HAVE_ETHTOOL_GLINKSETTINGS_25G
 	.get_link_ksettings	= bnxt_get_link_ksettings,
@@ -2107,4 +2126,5 @@ const struct ethtool_ops bnxt_ethtool_ops = {
 	.set_eee		= bnxt_set_eee,
 	.get_module_info	= bnxt_get_module_info,
 	.get_module_eeprom	= bnxt_get_module_eeprom,
+	.nway_reset		= bnxt_nway_reset
 };