diff options
| author | Simon Horman <simon.horman@netronome.com> | 2017-08-16 09:37:44 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-16 11:36:44 -0700 |
| commit | 2dff1962242111cc4517119f690587b87573ffc5 (patch) | |
| tree | 063565dd88c2f1eb1295fb0c7f03855e9dc83027 /drivers/net/ethernet/netronome/nfp/flower/cmsg.c | |
| parent | b985f870a5f08da0a2d6b45a3ea33f5558cf7e4e (diff) | |
nfp: process MTU updates from firmware flower app
Now that control message processing occurs in a workqueue rather than a BH
handler MTU updates received from the firmware may be safely processed.
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/cmsg.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/cmsg.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c index 6c8c22491fe7..806924b82adc 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c @@ -150,10 +150,17 @@ nfp_flower_cmsg_portmod_rx(struct nfp_app *app, struct sk_buff *skb) return; } - if (link) + if (link) { + u16 mtu = be16_to_cpu(msg->mtu); + netif_carrier_on(netdev); - else + + /* An MTU of 0 from the firmware should be ignored */ + if (mtu) + dev_set_mtu(netdev, mtu); + } else { netif_carrier_off(netdev); + } rcu_read_unlock(); } |