diff options
| author |   Ben Greear <greearb@candelatech.com> | 2011-01-09 23:11:49 -0800 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2011-01-21 15:32:22 -0500 |
| commit | 7f010c93d73847ffc6b74b572fef9a63e305d65e (patch) | |
| tree | 9ed4a9cb46b55995b415f255fc83da7f4e4a95f8 /drivers/net/wireless/ath/ath9k/main.c | |
| parent | ath9k: Add counters to distinquish AMPDU enqueues. (diff) | |
| download | linux-dev-7f010c93d73847ffc6b74b572fef9a63e305d65e.tar.xz linux-dev-7f010c93d73847ffc6b74b572fef9a63e305d65e.zip | |
ath9k: Keep track of stations for debugfs.
The stations hold the ath_node, which holds the tid
and other xmit logic structures. In order to debug
stuck xmit logic, we need a way to print out the tid
state for the stations.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index c03184e7bffe..bed6eb97fac9 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -548,6 +548,12 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta) struct ath_hw *ah = sc->sc_ah; an = (struct ath_node *)sta->drv_priv; +#ifdef CONFIG_ATH9K_DEBUGFS + spin_lock(&sc->nodes_lock); + list_add(&an->list, &sc->nodes); + spin_unlock(&sc->nodes_lock); + an->sta = sta; +#endif if ((ah->caps.hw_caps) & ATH9K_HW_CAP_APM) sc->sc_flags |= SC_OP_ENABLE_APM; @@ -563,6 +569,13 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta) { struct ath_node *an = (struct ath_node *)sta->drv_priv; +#ifdef CONFIG_ATH9K_DEBUGFS + spin_lock(&sc->nodes_lock); + list_del(&an->list); + spin_unlock(&sc->nodes_lock); + an->sta = NULL; +#endif + if (sc->sc_flags & SC_OP_TXAGGR) ath_tx_node_cleanup(sc, an); } |