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Xin Long d9e2e410ae sctp: add the constants/variables and states and some APIs for transport

These are 4 constants described in rfc8899#section-5.1.2:

  MAX_PROBES, MIN_PLPMTU, MAX_PLPMTU, BASE_PLPMTU;

And 2 variables described in rfc8899#section-5.1.3:

  PROBED_SIZE, PROBE_COUNT;

And 5 states described in rfc8899#section-5.2:

  DISABLED, BASE, SEARCH, SEARCH_COMPLETE, ERROR;

And these 4 APIs are used to reset/update PLPMTUD, check if PLPMTUD is
enabled, and calculate the additional headers length for a transport.

Note the member 'probe_high' in transport will be set to the probe
size when a probe fails with this probe size in the next patches.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2021-06-22 11:28:52 -07:00

auth.h

sctp: add sctp_auth_init and sctp_auth_free

2019-08-19 18:27:29 -07:00

checksum.h

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2019-05-31 10:49:43 -07:00

command.h

sctp: do asoc update earlier in sctp_sf_do_dupcook_b

2021-04-30 15:06:34 -07:00

constants.h

sctp: add the constants/variables and states and some APIs for transport