This is a note to let you know that I've just added the patch titled nfp: inherit the max_mtu from the PF netdev to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: nfp-inherit-the-max_mtu-from-the-pf-netdev.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Tue Dec 12 10:32:42 CET 2017 From: Dirk van der Merwe <dirk.vandermerwe@xxxxxxxxxxxxx> Date: Thu, 16 Nov 2017 17:06:41 -0800 Subject: nfp: inherit the max_mtu from the PF netdev From: Dirk van der Merwe <dirk.vandermerwe@xxxxxxxxxxxxx> [ 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@xxxxxxxxxxxxx> Reviewed-by: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/netronome/nfp/nfp_net_repr.c | 2 ++ 1 file changed, 2 insertions(+) --- 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, s 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)) { Patches currently in stable-queue which might be from dirk.vandermerwe@xxxxxxxxxxxxx are queue-4.14/nfp-inherit-the-max_mtu-from-the-pf-netdev.patch