From: =?UTF-8?q?Pablo=20Casc=C3=B3n?= <pablo.cascon@netronome.com>
Date: Thu, 26 Oct 2017 17:35:38 -0700
Subject: nfp: inform the VF driver needs to be restarted after changing the
 MAC
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Patch-mainline: v4.15-rc1
Git-commit: a267eaebfcaeb27ad3b83303b6c9f8f739d757aa
References: bsc#1109837

Add message to inform the VF MAC was changed and the need to restart
the VF driver for the changes to be effective.

Signed-off-by: Pablo Cascón <pablo.cascon@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/netronome/nfp/nfp_net_sriov.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/netronome/nfp/nfp_net_sriov.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_sriov.c
@@ -112,7 +112,13 @@ int nfp_app_set_vf_mac(struct net_device
 	writew(get_unaligned_be16(mac + 4),
 	       app->pf->vfcfg_tbl2 + vf_offset + NFP_NET_VF_CFG_MAC_LO);
 
-	return nfp_net_sriov_update(app, vf, NFP_NET_VF_CFG_MB_UPD_MAC, "MAC");
+	err = nfp_net_sriov_update(app, vf, NFP_NET_VF_CFG_MB_UPD_MAC, "MAC");
+	if (!err)
+		nfp_info(app->pf->cpp,
+			 "MAC %pM set on VF %d, reload the VF driver to make this change effective.\n",
+			 mac, vf);
+
+	return err;
 }
 
 int nfp_app_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,