On 16-04-09 01:21 PM, Eric Dumazet wrote:
Well, once a hole is there, nothing we can do really, because of
compatibility with old kernels / old binaries.
But when a _new_ structure is defined, this is the time where we can ask
for doing sensible things ;)
This one is fixable. sizeof() already includes the accounting of
the pad. something like:
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h
index fe95446..52542eb 100644
--- a/include/uapi/linux/tcp.h
+++ b/include/uapi/linux/tcp.h
@@ -158,6 +158,7 @@ struct tcp_info {
__u8 tcpi_options;
__u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
+ __u8 pad; /*reuse this space if you need 8bits for something*/
__u32 tcpi_rto;
__u32 tcpi_ato;
__u32 tcpi_snd_mss;
cheers,
jamal
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