提交 b66b6d9f 编写于 作者: J Joe Stringer 提交者: Jeff Kirsher

fm10k: Check tunnel header length in encap offload

fm10k supports up to 184 bytes of inner+outer headers. Add an initial
check to fail encap offload if these are too large.
Signed-off-by: NJoe Stringer <joestringer@nicira.com>
Tested-by: NKrishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
上级 e2929e45
......@@ -727,6 +727,12 @@ static __be16 fm10k_tx_encap_offload(struct sk_buff *skb)
struct ethhdr *eth_hdr;
u8 l4_hdr = 0;
/* fm10k supports 184 octets of outer+inner headers. Minus 20 for inner L4. */
#define FM10K_MAX_ENCAP_TRANSPORT_OFFSET 164
if (skb_inner_transport_header(skb) - skb_mac_header(skb) >
FM10K_MAX_ENCAP_TRANSPORT_OFFSET)
return 0;
switch (vlan_get_protocol(skb)) {
case htons(ETH_P_IP):
l4_hdr = ip_hdr(skb)->protocol;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册