diff options
| author |   Veerasenareddy Burru <veerasenareddy.burru@cavium.com> | 2017-08-15 16:26:22 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-08-16 11:07:55 -0700 |
| commit | 251564f601a26d01b3b0e5a40889b4efb6823403 (patch) | |
| tree | 6bc728144a2bfade883f4d6649ed7ea50e444d29 /drivers/net/ethernet/cavium/liquidio/lio_vf_main.c | |
| parent | Merge branch 'net-sizeof-cleanups' (diff) | |
| download | linux-dev-251564f601a26d01b3b0e5a40889b4efb6823403.tar.xz linux-dev-251564f601a26d01b3b0e5a40889b4efb6823403.zip | |
liquidio: update VF's netdev->max_mtu if there's a change in PF's MTU
A VF's MTU is capped at the parent PF's MTU. So if there's a change in the
PF's MTU, then update the VF's netdev->max_mtu.
Also remove duplicate log messages for MTU change.
Signed-off-by: Veerasenareddy Burru <veerasenareddy.burru@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/lio_vf_main.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_vf_main.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c index 35a977abc7c4..0402b18d4689 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -630,6 +630,12 @@ static void update_link_status(struct net_device *netdev, txqs_stop(netdev); } + if (lio->linfo.link.s.mtu != netdev->max_mtu) { + dev_info(&oct->pci_dev->dev, "Max MTU Changed from %d to %d\n", + netdev->max_mtu, lio->linfo.link.s.mtu); + netdev->max_mtu = lio->linfo.link.s.mtu; + } + if (lio->linfo.link.s.mtu < netdev->mtu) { dev_warn(&oct->pci_dev->dev, "PF has changed the MTU for gmx port. Reducing the mtu from %d to %d\n", @@ -1539,14 +1545,11 @@ static struct net_device_stats *liquidio_get_stats(struct net_device *netdev) static int liquidio_change_mtu(struct net_device *netdev, int new_mtu) { struct lio *lio = GET_LIO(netdev); - struct octeon_device *oct = lio->oct_dev; lio->mtu = new_mtu; netif_info(lio, probe, lio->netdev, "MTU Changed from %d to %d\n", netdev->mtu, new_mtu); - dev_info(&oct->pci_dev->dev, "%s MTU Changed from %d to %d\n", - netdev->name, netdev->mtu, new_mtu); netdev->mtu = new_mtu; |