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Herbert Xu f880374c2f sctp: Drop ipfargok in sctp_xmit function ... The ipfragok flag controls whether the packet may be fragmented either on the local host on beyond. The latter is only valid on IPv4. In fact, we never want to do the latter even on IPv4 when PMTU is enabled. This is because even though we can't fragment packets within SCTP due to the prtocol's inherent faults, we can still fragment it at IP layer. By setting the DF bit we will improve the PMTU process. RFC 2960 only says that we SHOULD clear the DF bit in this case, so we're compliant even if we set the DF bit. In fact RFC 4960 no longer has this statement. Once we make this change, we only need to control the local fragmentation. There is already a bit in the skb which controls that, local_df. So this patch sets that instead of using the ipfragok argument. The only complication is that there isn't a struct sock object per transport, so for IPv4 we have to resort to changing the pmtudisc field for every packet. This should be safe though as the protocol is single-threaded. Note that after this patch we can remove ipfragok from the rest of the stack too. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>		17 years ago
..
auth.h	[SCTP]: Stop claiming that this is a "reference implementation"	17 years ago
checksum.h	sctp: remove unnecessary byteshifting, calculate directly in big-endian	17 years ago
command.h	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	17 years ago
constants.h	[SCTP]: Stop claiming that this is a "reference implementation"	17 years ago
sctp.h	sctp: Kill SCTP_SOCK_SLEEP_{PRE,POST}, unused.	17 years ago
sm.h	[SCTP]: Remove sctp_add_cmd_sf wrapper bloat	17 years ago
structs.h	sctp: Drop ipfargok in sctp_xmit function	17 years ago
tsnmap.h	[SCTP]: Stop claiming that this is a "reference implementation"	17 years ago
ulpevent.h	[SCTP]: Fix compiler warning about const qualifiers	17 years ago
ulpqueue.h	[SCTP]: Stop claiming that this is a "reference implementation"	17 years ago
user.h	sctp: Support the new specification of sctp_connectx()	17 years ago