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| /freebsd-11-stable/sys/dev/ath/ | ||
| H A D | if_ath.c | diff 227353 Tue Nov 08 17:02:52 MST 2011 adrian In preparation for supporting 11n TX/RX properly, allow for TX queue draining and interface resets to be marked as ATH_RESET_DEFAULT, ATH_RESET_FULL, ATH_RESET_NOLOSS. Currently a reset is still a reset - ie, all tx/rx frames in the hardware queues are purged. This means that those frames will be lost to the 11n TX and RX aggregation state tracking, breaking AMPDU sessions. The (eventual) new semantics: * ATH_RESET_DEFAULT: full reset, this is the default for reset situations which I haven't yet figured out what they should be. * ATH_RESET_FULL: A full reset - for things such as channel changes. * ATH_RESET_NOLOSS: Don't flush TX/RX queues - handle pending RX frames and leave TX frames where they are; restart TX DMA from where it was. |
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