From: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Date: Fri, 17 Nov 2017 01:06:41 +0000 (-0800)
Subject: nfp: inherit the max_mtu from the PF netdev
X-Git-Tag: v4.14.6~30
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cfcbc4f35a73c95d8843495274cd9fff1d5f4c33;p=platform%2Fkernel%2Flinux-exynos.git

nfp: inherit the max_mtu from the PF netdev


[ Upstream commit 743ba5b47f7961fb29f2e06bb694fb4f068ac58f ]

The PF netdev is used for data transfer for reprs, so reprs inherit the
maximum MTU settings of the PF netdev.

Fixes: 5de73ee46704 ("nfp: general representor implementation")
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index d540a9d..1c43aca 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -297,6 +297,8 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
 	netdev->netdev_ops = &nfp_repr_netdev_ops;
 	netdev->ethtool_ops = &nfp_port_ethtool_ops;
 
+	netdev->max_mtu = pf_netdev->max_mtu;
+
 	SWITCHDEV_SET_OPS(netdev, &nfp_port_switchdev_ops);
 
 	if (nfp_app_has_tc(app)) {