diff options
| author |   Shannon Nelson <snelson@pensando.io> | 2020-08-27 16:00:19 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-08-28 08:01:29 -0700 |
| commit | eba8760948ba04a0909e9c40d552d7fbc6bfb7d3 (patch) | |
| tree | 076da95864741d683cd318b40e9070450531a43a /drivers/net/ethernet/pensando | |
| parent | Merge branch 'Enable-Fiber-on-DP83822-PHY' (diff) | |
| download | linux-dev-eba8760948ba04a0909e9c40d552d7fbc6bfb7d3.tar.xz linux-dev-eba8760948ba04a0909e9c40d552d7fbc6bfb7d3.zip | |
ionic: set MTU floor at ETH_MIN_MTU
The NIC might tell us its minimum MTU, but let's be sure not
to use something smaller than ETH_MIN_MTU.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 26988ad7ec97..235215c28f29 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -2079,7 +2079,8 @@ static struct ionic_lif *ionic_lif_alloc(struct ionic *ionic, unsigned int index lif->identity = lid; lif->lif_type = IONIC_LIF_TYPE_CLASSIC; ionic_lif_identify(ionic, lif->lif_type, lif->identity); - lif->netdev->min_mtu = le32_to_cpu(lif->identity->eth.min_frame_size); + lif->netdev->min_mtu = max_t(unsigned int, ETH_MIN_MTU, + le32_to_cpu(lif->identity->eth.min_frame_size)); lif->netdev->max_mtu = le32_to_cpu(lif->identity->eth.max_frame_size) - ETH_HLEN - VLAN_HLEN; |