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Add a per-TID filter queue and filter state bits.

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These are intended for software TX filtering support, where the NIC
decides there has been too many successive failues to a destination
and will filter it.

Although the filtering is done per-destination (via the keycache),
the state and queue is kept per-TID for now.  It simplifies the overall
architecture design and locking.

Whilst here, add ATH_TID_UNLOCK_ASSERT().
This commit is contained in:
Adrian Chadd 2012-09-17 01:21:55 +00:00
parent 355cae39e9
commit de8e4d6436
1 changed files with 15 additions and 0 deletions
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15
sys/dev/ath/if_athvar.h
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@ -107,6 +107,12 @@ struct ath_tid {
int ac; /* which AC gets this trafic */
int hwq_depth; /* how many buffers are on HW */
struct {
TAILQ_HEAD(,ath_buf) axq_q; /* filtered queue */
u_int axq_depth; /* SW queue depth */
char axq_name[48]; /* lock name */
} filtq;
/*
* Entry on the ath_txq; when there's traffic
* to send
@ -114,9 +120,16 @@ struct ath_tid {
TAILQ_ENTRY(ath_tid) axq_qelem;
int sched;
int paused; /* >0 if the TID has been paused */
/*
* These are flags - perhaps later collapse
* down to a single uint32_t ?
*/
int addba_tx_pending; /* TX ADDBA pending */
int bar_wait; /* waiting for BAR */
int bar_tx; /* BAR TXed */
int isfiltered; /* is this node currently filtered */
int clrdmask; /* has clrdmask been set */
/*
* Is the TID being cleaned up after a transition
@ -336,6 +349,8 @@ struct ath_txq {
#define ATH_TID_LOCK_ASSERT(_sc, _tid) \
ATH_TXQ_LOCK_ASSERT((_sc)->sc_ac2q[(_tid)->ac])
#define ATH_TID_UNLOCK_ASSERT(_sc, _tid) \
ATH_TXQ_UNLOCK_ASSERT((_sc)->sc_ac2q[(_tid)->ac])
#define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \