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net/mlx4_en: Validate VLAN IDs provided in ethtool flow steering rules

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When attaching flow steering rules via Ethtool accept only valid vlans IDs e.g
in the range: [0,4095].

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hadar Hen Zion 2013-01-30 23:07:05 +00:00 committed by David S. Miller
parent f90a36734a
commit 69d7126b7f
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
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@ -669,6 +669,10 @@ static int mlx4_en_validate_flow(struct net_device *dev,
!(cmd->fs.m_ext.vlan_tci == 0 || !(cmd->fs.m_ext.vlan_tci == 0 ||
cmd->fs.m_ext.vlan_tci == cpu_to_be16(0xfff))) cmd->fs.m_ext.vlan_tci == cpu_to_be16(0xfff)))
return -EINVAL; return -EINVAL;
if (cmd->fs.m_ext.vlan_tci) {
if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
return -EINVAL;
}
} }
return 0; return 0;