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authorHadar Hen Zion <hadarh@mellanox.com>2013-01-30 23:07:06 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-31 12:48:47 -0500
commit8258bd2713c3e42bc0e5664cbede0e07587c125f (patch)
treede8f4d4f4a18003df648592283194ceb264bc145 /drivers/net/ethernet/mellanox
parentnet/mlx4_en: Validate VLAN IDs provided in ethtool flow steering rules (diff)
downloadlinux-dev-8258bd2713c3e42bc0e5664cbede0e07587c125f.tar.xz
linux-dev-8258bd2713c3e42bc0e5664cbede0e07587c125f.zip
net/mlx4_en: Fix vlan mask for ethtool steering rules
The vlan mask field should be validated and assigned according to the field size which is 12 bits. Also replace the numeric 0xfff mask with existing kernel macro. 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>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_ethtool.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index f33049f9bfe7..f36c219dffcf 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -666,12 +666,16 @@ static int mlx4_en_validate_flow(struct net_device *dev,
if ((cmd->fs.flow_type & FLOW_EXT)) {
if (cmd->fs.m_ext.vlan_etype ||
- !(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(VLAN_VID_MASK)) ==
+ 0 ||
+ (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
+ cpu_to_be16(VLAN_VID_MASK)))
return -EINVAL;
+
if (cmd->fs.m_ext.vlan_tci) {
if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
return -EINVAL;
+
}
}
@@ -690,9 +694,10 @@ static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
- if ((cmd->fs.flow_type & FLOW_EXT) && cmd->fs.m_ext.vlan_tci) {
+ if ((cmd->fs.flow_type & FLOW_EXT) &&
+ (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
- spec_l2->eth.vlan_id_msk = cpu_to_be16(0xfff);
+ spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
}
list_add_tail(&spec_l2->list, rule_list_h);