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| /freebsd-11-stable/sys/dev/bxe/ | ||
| H A D | bxe.h | diff 285973 Tue Jul 28 17:29:21 MDT 2015 davidcs - Avoid lock contention in the if_transmit callback by using trylock and enqueueing the frames when it fails. This way there is some latency removed from the transmitting path. - If IFF_DRV_OACTIVE is set (and also if IFF_DRV_RUNNING is not) just enqueue the desired frames and return successful transmit. This way we avoid to return errors on transmit side and resulting in possible out-of-order frames. Please note that IFF_DRV_OACTIVE is set everytime we get the threshold ring hit, so this can be happening quite often. Submitted by: Attilio.Rao@isilon.com MFC after:5 days |
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