diff options
| author | Alexander Sverdlin <alexander.sverdlin@nokia.com> | 2019-11-08 10:00:44 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-12 19:17:50 +0100 |
| commit | cd6be628d78a5a7d97789883b2e69b3529d213b4 (patch) | |
| tree | 4ab0e9f05993e56c2450faed1b2b70e756bcf6b4 /drivers/net/ethernet/cavium/octeon/octeon_mgmt.c | |
| parent | b0b4aca6d67d3ee3ed859d9df8bcd100328fb05c (diff) | |
net: ethernet: octeon_mgmt: Account for second possible VLAN header
[ Upstream commit e4dd5608033efe7b6030cde359bfdbaeb73bc22d ]
Octeon's input ring-buffer entry has 14 bits-wide size field, so to account
for second possible VLAN header max_mtu must be further reduced.
Fixes: 109cc16526c6d ("ethernet/cavium: use core min/max MTU checking")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/cavium/octeon/octeon_mgmt.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/octeon/octeon_mgmt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c index 45c51277e0cf..61701ba2ac72 100644 --- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c @@ -1497,7 +1497,7 @@ static int octeon_mgmt_probe(struct platform_device *pdev) netdev->ethtool_ops = &octeon_mgmt_ethtool_ops; netdev->min_mtu = 64 - OCTEON_MGMT_RX_HEADROOM; - netdev->max_mtu = 16383 - OCTEON_MGMT_RX_HEADROOM; + netdev->max_mtu = 16383 - OCTEON_MGMT_RX_HEADROOM - VLAN_HLEN; mac = of_get_mac_address(pdev->dev.of_node); |