diff options
| author | Alexander Sverdlin <alexander.sverdlin@nokia.com> | 2019-11-08 13:00:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-12 21:26:35 +0300 |
| commit | 11c6dd3bd60ad547ab2f1e0716c08c8562ebb008 (patch) | |
| tree | 31cb548162efe1929d8d74a104085634fd16b07c /drivers/net/ethernet/cavium/octeon/octeon_mgmt.c | |
| parent | 07deb878eaea0959d145f6c53991d09ae8a7fe6b (diff) | |
| download | linux-11c6dd3bd60ad547ab2f1e0716c08c8562ebb008.tar.xz | |
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 0e5de88fd6e8..cdd7e5da4a74 100644 --- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c @@ -1499,7 +1499,7 @@ 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); |