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sctp: introduce sctp_mtu_payload
authorMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Thu, 26 Apr 2018 19:58:54 +0000 (16:58 -0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 27 Apr 2018 18:35:23 +0000 (14:35 -0400)
commitfeddd6c1af30ab11d73ce0e4e76b40dfc899dbda
tree5103795b3aed0972f3be763097c9b9c11efda77ftree
parentc4b2893dae6427ce1e528033383c94cbf81e80d8commit | diff
sctp: introduce sctp_mtu_payload

When given a MTU, this function calculates how much payload we can carry
on it. Without a MTU, it calculates the amount of header overhead we
have.

So that when we have extra overhead, like the one added for IP options
on SELinux patches, it is easier to handle it.

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/sctp/sctp.h diff | blob | history
net/sctp/output.c diff | blob | history
net/sctp/socket.c diff | blob | history
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