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| author |   zheng li <james.z.li@ericsson.com> | 2016-12-12 09:56:05 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-12-20 10:45:22 -0500 |
| commit | 0a28cfd51e17f4f0a056bcf66bfbe492c3b99f38 (patch) | |
| tree | d287b44d8adb46fdf802ee45d7945e6d41c33125 /drivers | |
| parent | stmmac: fix memory barriers (diff) | |
| download | linux-dev-0a28cfd51e17f4f0a056bcf66bfbe492c3b99f38.tar.xz linux-dev-0a28cfd51e17f4f0a056bcf66bfbe492c3b99f38.zip | |
ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
There is an inconsistent conditional judgement in __ip_append_data and
ip_finish_output functions, the variable length in __ip_append_data just
include the length of application's payload and udp header, don't include
the length of ip header, but in ip_finish_output use
(skb->len > ip_skb_dst_mtu(skb)) as judgement, and skb->len include the
length of ip header.
That causes some particular application's udp payload whose length is
between (MTU - IP Header) and MTU were fragmented by ip_fragment even
though the rst->dev support UFO feature.
Add the length of ip header to length in __ip_append_data to keep
consistent conditional judgement as ip_finish_output for ip fragment.
Signed-off-by: Zheng Li <james.z.li@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions