Author: adrian
Date: Mon Sep 17 01:21:55 2012
New Revision: 240585
URL: http://svn.freebsd.org/changeset/base/240585
Log:
Add a per-TID filter queue and filter state bits.
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().
Modified:
head/sys/dev/ath/if_athvar.h
Modified: head/sys/dev/ath/if_athvar.h
==============================================================================
--- head/sys/dev/ath/if_athvar.h Mon Sep 17 01:18:47 2012
(r240584)
+++ head/sys/dev/ath/if_athvar.h Mon Sep 17 01:21:55 2012
(r240585)
@@ -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); \
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