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Flesh out a new DMA map for the EDMA TX completion status, as well

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as a lock to go with that whole code path.
This commit is contained in:
Adrian Chadd 2012-07-23 02:49:25 +00:00
parent 3d9b15965e
commit 54c9979539
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=238709
3 changed files with 24 additions and 0 deletions
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3
sys/dev/ath/if_ath_ahb.c
View File

@ -194,11 +194,13 @@ ath_ahb_attach(device_t dev)
ATH_LOCK_INIT(sc);
ATH_PCU_LOCK_INIT(sc);
ATH_RX_LOCK_INIT(sc);
ATH_TXSTATUS_LOCK_INIT(sc);
error = ath_attach(AR9130_DEVID, sc);
if (error == 0) /* success */
return 0;
ATH_TXSTATUS_LOCK_DESTROY(sc);
ATH_RX_LOCK_DESTROY(sc);
ATH_PCU_LOCK_DESTROY(sc);
ATH_LOCK_DESTROY(sc);
@ -240,6 +242,7 @@ ath_ahb_detach(device_t dev)
if (sc->sc_eepromdata)
free(sc->sc_eepromdata, M_TEMP);
ATH_TXSTATUS_LOCK_DESTROY(sc);
ATH_RX_LOCK_DESTROY(sc);
ATH_PCU_LOCK_DESTROY(sc);
ATH_LOCK_DESTROY(sc);

3
sys/dev/ath/if_ath_pci.c
View File

@ -250,11 +250,13 @@ ath_pci_attach(device_t dev)
ATH_LOCK_INIT(sc);
ATH_PCU_LOCK_INIT(sc);
ATH_RX_LOCK_INIT(sc);
ATH_TXSTATUS_LOCK_INIT(sc);
error = ath_attach(pci_get_device(dev), sc);
if (error == 0) /* success */
return 0;
ATH_TXSTATUS_LOCK_DESTROY(sc);
ATH_PCU_LOCK_DESTROY(sc);
ATH_RX_LOCK_DESTROY(sc);
ATH_LOCK_DESTROY(sc);
@ -295,6 +297,7 @@ ath_pci_detach(device_t dev)
if (sc->sc_eepromdata)
free(sc->sc_eepromdata, M_TEMP);
ATH_TXSTATUS_LOCK_DESTROY(sc);
ATH_PCU_LOCK_DESTROY(sc);
ATH_RX_LOCK_DESTROY(sc);
ATH_LOCK_DESTROY(sc);

18
sys/dev/ath/if_athvar.h
View File

@ -558,6 +558,11 @@ struct ath_softc {
struct ath_txq *sc_ac2q[5]; /* WME AC -> h/w q map */
struct task sc_txtask; /* tx int processing */
struct task sc_txqtask; /* tx proc processing */
struct ath_descdma sc_txcompdma; /* TX EDMA completion */
struct mtx sc_txcomplock; /* TX EDMA completion lock */
char sc_txcompname[12]; /* eg ath0_txcomp */
int sc_wd_timer; /* count down for wd timer */
struct callout sc_wd_ch; /* tx watchdog timer */
struct ath_tx_radiotap_header sc_tx_th;
@ -735,6 +740,19 @@ struct ath_softc {
#define ATH_TXBUF_LOCK_ASSERT(_sc) \
mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
#define ATH_TXSTATUS_LOCK_INIT(_sc) do { \
snprintf((_sc)->sc_txcompname, sizeof((_sc)->sc_txcompname), \
"%s_buf", \
device_get_nameunit((_sc)->sc_dev)); \
mtx_init(&(_sc)->sc_txcomplock, (_sc)->sc_txcompname, NULL, \
MTX_DEF); \
} while (0)
#define ATH_TXSTATUS_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_txcomplock)
#define ATH_TXSTATUS_LOCK(_sc) mtx_lock(&(_sc)->sc_txcomplock)
#define ATH_TXSTATUS_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_txcomplock)
#define ATH_TXSTATUS_LOCK_ASSERT(_sc) \
mtx_assert(&(_sc)->sc_txcomplock, MA_OWNED)
int ath_attach(u_int16_t, struct ath_softc *);
int ath_detach(struct ath_softc *);
void ath_resume(struct ath_softc *);