From 725d548f14362f10c9235ee4b32dc22e7c55e50c Mon Sep 17 00:00:00 2001 From: Joe Stringer Date: Thu, 13 Nov 2014 16:38:13 -0800 Subject: be2net: Implement ndo_gso_check() Use vxlan_gso_check() to advertise offload support for this NIC. Signed-off-by: Joe Stringer Acked-by: Sathya Perla Signed-off-by: David S. Miller --- drivers/net/ethernet/emulex/benet/be_main.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/net/ethernet/emulex/benet/be_main.c') diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 9a18e7930b31..3e8475cae4f9 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -4421,6 +4421,11 @@ static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, "Disabled VxLAN offloads for UDP port %d\n", be16_to_cpu(port)); } + +static bool be_gso_check(struct sk_buff *skb, struct net_device *dev) +{ + return vxlan_gso_check(skb); +} #endif static const struct net_device_ops be_netdev_ops = { @@ -4450,6 +4455,7 @@ static const struct net_device_ops be_netdev_ops = { #ifdef CONFIG_BE2NET_VXLAN .ndo_add_vxlan_port = be_add_vxlan_port, .ndo_del_vxlan_port = be_del_vxlan_port, + .ndo_gso_check = be_gso_check, #endif }; -- cgit v1.2.1 From b7c1a314112785c319b2ba2dc8e73497714e42a1 Mon Sep 17 00:00:00 2001 From: Thomas Graf Date: Wed, 26 Nov 2014 13:42:17 +0100 Subject: net: Validate IFLA_BRIDGE_MODE attribute length Payload is currently accessed blindly and may exceed valid message boundaries. Fixes: a77dcb8c8 ("be2net: set and query VEB/VEPA mode of the PF interface") Fixes: 815cccbf1 ("ixgbe: add setlink, getlink support to ixgbe and ixgbevf") Cc: Ajit Khaparde Cc: John Fastabend Signed-off-by: Thomas Graf Acked-by: Jeff Kirsher Acked-by: John Fastabend Signed-off-by: David S. Miller --- drivers/net/ethernet/emulex/benet/be_main.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/ethernet/emulex/benet/be_main.c') diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 3e8475cae4f9..337e4cd70a13 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -4314,6 +4314,9 @@ static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh) if (nla_type(attr) != IFLA_BRIDGE_MODE) continue; + if (nla_len(attr) < sizeof(mode)) + return -EINVAL; + mode = nla_get_u16(attr); if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) return -EINVAL; -- cgit v1.2.1 From 4ea85e831e290cd967d161c66d0a3cf8be39f1f6 Mon Sep 17 00:00:00 2001 From: Thomas Graf Date: Wed, 26 Nov 2014 13:42:18 +0100 Subject: net: Check for presence of IFLA_AF_SPEC ndo_bridge_setlink() is currently only called on the slave if IFLA_AF_SPEC is set but this is a very fragile assumption and may change in the future. Cc: Ajit Khaparde Cc: John Fastabend Signed-off-by: Thomas Graf Acked-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ethernet/emulex/benet/be_main.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/ethernet/emulex/benet/be_main.c') diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 337e4cd70a13..597c463e384d 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -4309,6 +4309,8 @@ static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh) return -EOPNOTSUPP; br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); + if (!br_spec) + return -EINVAL; nla_for_each_nested(attr, br_spec, rem) { if (nla_type(attr) != IFLA_BRIDGE_MODE) -- cgit v1.2.1