linux/include
Xin Long 0dac127c05 sctp: do black hole detection in search complete state
Currently the PLPMUTD probe will stop for a long period (interval * 30)
after it enters search complete state. If there's a pmtu change on the
route path, it takes a long time to be aware if the ICMP TooBig packet
is lost or filtered.

As it says in rfc8899#section-4.3:

  "A DPLPMTUD method MUST NOT rely solely on this method."
  (ICMP PTB message).

This patch is to enable the other method for search complete state:

  "A PL can use the DPLPMTUD probing mechanism to periodically
   generate probe packets of the size of the current PLPMTU."

With this patch, the probe will continue with the current pmtu every
'interval' until the PMTU_RAISE_TIMER 'timeout', which we implement
by adding raise_count to raise the probe size when it counts to 30
and removing the SCTP_PL_COMPLETE check for PMTU_RAISE_TIMER.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-24 12:58:03 -07:00
..
acpi
asm-generic vmlinux.lds.h: Avoid orphan section with !SMP 2021-06-02 12:43:55 -07:00
clocksource
crypto
drm
dt-bindings dt-bindings: connector: Add PD rev 2.0 VDO definition 2021-06-04 11:43:01 +02:00
keys integrity-v5.13 2021-05-01 15:32:18 -07:00
kunit
kvm
linux net: mdiobus: fix fwnode_mdbiobus_register() fallback case 2021-06-24 11:19:20 -07:00
math-emu
media
memory
misc
net sctp: do black hole detection in search complete state 2021-06-24 12:58:03 -07:00
pcmcia
ras
rdma
scsi
soc
sound ASoC: Fixes for v5.13 2021-05-25 08:58:01 +02:00
target
trace mptcp: dump csum fields in mptcp_dump_mpext 2021-06-18 11:40:11 -07:00
uapi net: retrieve netns cookie via getsocketopt 2021-06-24 11:13:05 -07:00
vdso
video
xen xen/arm: move xen_swiotlb_detect to arm/swiotlb-xen.h 2021-05-14 15:52:05 +02:00