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myri10ge: check fragmentation in LRO get_frag_header() 

Add a fragmentation check to myri10ge's LRO get_frag_header() callback.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew Gallatin <gallatin@myri.com> 
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Brice Goglin 2008-12-09 00:14:27 -08:00 committed by David S. Miller
parent 6cf1a0f856
commit bcb09dc276
1 changed files with 2 additions and 0 deletions
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2
drivers/net/myri10ge/myri10ge.c
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@ -2229,6 +2229,8 @@ myri10ge_get_frag_header(struct skb_frag_struct *frag, void **mac_hdr,
*ip_hdr = iph; *ip_hdr = iph;
if (iph->protocol != IPPROTO_TCP) if (iph->protocol != IPPROTO_TCP)
return -1; return -1;
if (iph->frag_off & htons(IP_MF | IP_OFFSET))
return -1;
*hdr_flags |= LRO_TCP; *hdr_flags |= LRO_TCP;
*tcpudp_hdr = (u8 *) (*ip_hdr) + (iph->ihl << 2); *tcpudp_hdr = (u8 *) (*ip_hdr) + (iph->ihl << 2);