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2016-10-14send: ensure that rekey retries are staggeredJason A. Donenfeld
Before: t+120: A sends rekey [packet dropped by network congestion] t+125: A sends rekey [packet dropped by network congestion] t+130: A sends rekey t+130: B sends rekey ! race ! After: t+120: A sends rekey [packet dropped by network congestion] t+125: A sends rekey [packet dropped by network congestion] t+130: A sends rekey [packet dropped by network congestion] T+132.5: B sends rekey [packet dropped by network congestion] T+135: A sends rekey [packet dropped by network congestion] T+137.5: B sends rekey ! success, eventually ! Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-10-05send: requeue jobs for later if padata is fullJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-09-29Rework headers and includesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-08-29send: properly encapsulate ECNJason A. Donenfeld
We're not leaking the DSCP, but we do deal with ECN. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-08-16send: needless debugging checkJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-07-10timers: move timer calls out of hot loopJason A. Donenfeld
We sacrifice a little bit of precision here, but this avoids jockeying around the timers for every packet, when we're sending in bundles anyway to minimize cache misses. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-07-10persistent keepalive: use authenticated keepalivesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-07-08keepalives: only queue keepalive when queue is emptyJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-07-08timers: do not consider keepalives to be data sentJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-06-25Initial commitJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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