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| author | sbruno <sbruno@FreeBSD.org> | 2014-10-29 22:17:45 +0000 |
|---|---|---|
| committer | sbruno <sbruno@FreeBSD.org> | 2014-10-29 22:17:45 +0000 |
| commit | 47c62aa0b0b32c345bff946b9d20c22176e209a6 (patch) | |
| tree | 9dfed8b1a9ebe5ab0fd30460aa7b2f24a5340d19 /sys/sys/fcntl.h | |
| parent | 97d69448b874f5c698f9ee0ceddc195e496c8838 (diff) | |
| download | FreeBSD-src-47c62aa0b0b32c345bff946b9d20c22176e209a6.zip FreeBSD-src-47c62aa0b0b32c345bff946b9d20c22176e209a6.tar.gz | |
MFC r272720, 273061, 273062, 273063, 273064
Implement PLPMTUD blackhole detection (RFC 4821), inspired by code
from xnu sources. If we encounter a network where ICMP is blocked
the Needs Frag indicator may not propagate back to us. Attempt to
downshift the mss once to a preconfigured value.
Note, this is turned off by default.
Diffstat (limited to 'sys/sys/fcntl.h')
0 files changed, 0 insertions, 0 deletions
