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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 00:29:25 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 00:29:25 +0100 |
commit | 7a6362800cb7d1d618a697a650c7aaed3eb39320 (patch) | |
tree | 087f9bc6c13ef1fad4b392c5cf9325cd28fa8523 /drivers/net/wireless/wl12xx/ps.c | |
parent | Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff) | |
parent | bonding: enable netpoll without checking link status (diff) | |
download | linux-7a6362800cb7d1d618a697a650c7aaed3eb39320.tar.xz linux-7a6362800cb7d1d618a697a650c7aaed3eb39320.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1480 commits)
bonding: enable netpoll without checking link status
xfrm: Refcount destination entry on xfrm_lookup
net: introduce rx_handler results and logic around that
bonding: get rid of IFF_SLAVE_INACTIVE netdev->priv_flag
bonding: wrap slave state work
net: get rid of multiple bond-related netdevice->priv_flags
bonding: register slave pointer for rx_handler
be2net: Bump up the version number
be2net: Copyright notice change. Update to Emulex instead of ServerEngines
e1000e: fix kconfig for crc32 dependency
netfilter ebtables: fix xt_AUDIT to work with ebtables
xen network backend driver
bonding: Improve syslog message at device creation time
bonding: Call netif_carrier_off after register_netdevice
bonding: Incorrect TX queue offset
net_sched: fix ip_tos2prio
xfrm: fix __xfrm_route_forward()
be2net: Fix UDP packet detected status in RX compl
Phonet: fix aligned-mode pipe socket buffer header reserve
netxen: support for GbE port settings
...
Fix up conflicts in drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
with the staging updates.
Diffstat (limited to 'drivers/net/wireless/wl12xx/ps.c')
-rw-r--r-- | drivers/net/wireless/wl12xx/ps.c | 90 |
1 files changed, 83 insertions, 7 deletions
diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/ps.c index 60a3738eadb0..971f13e792da 100644 --- a/drivers/net/wireless/wl12xx/ps.c +++ b/drivers/net/wireless/wl12xx/ps.c @@ -24,6 +24,7 @@ #include "reg.h" #include "ps.h" #include "io.h" +#include "tx.h" #define WL1271_WAKEUP_TIMEOUT 500 @@ -68,7 +69,7 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl) } } -int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake) +int wl1271_ps_elp_wakeup(struct wl1271 *wl) { DECLARE_COMPLETION_ONSTACK(compl); unsigned long flags; @@ -86,7 +87,7 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake) * the completion variable in one entity. */ spin_lock_irqsave(&wl->wl_lock, flags); - if (work_pending(&wl->irq_work) || chip_awake) + if (test_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags)) pending = true; else wl->elp_compl = &compl; @@ -139,8 +140,7 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode, return ret; } - ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE, - rates, send); + ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE); if (ret < 0) return ret; @@ -149,7 +149,7 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode, case STATION_ACTIVE_MODE: default: wl1271_debug(DEBUG_PSM, "leaving psm"); - ret = wl1271_ps_elp_wakeup(wl, false); + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) return ret; @@ -163,8 +163,7 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode, if (ret < 0) return ret; - ret = wl1271_cmd_ps_mode(wl, STATION_ACTIVE_MODE, - rates, send); + ret = wl1271_cmd_ps_mode(wl, STATION_ACTIVE_MODE); if (ret < 0) return ret; @@ -175,4 +174,81 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode, return ret; } +static void wl1271_ps_filter_frames(struct wl1271 *wl, u8 hlid) +{ + int i, filtered = 0; + struct sk_buff *skb; + struct ieee80211_tx_info *info; + unsigned long flags; + + /* filter all frames currently the low level queus for this hlid */ + for (i = 0; i < NUM_TX_QUEUES; i++) { + while ((skb = skb_dequeue(&wl->links[hlid].tx_queue[i]))) { + info = IEEE80211_SKB_CB(skb); + info->flags |= IEEE80211_TX_STAT_TX_FILTERED; + info->status.rates[0].idx = -1; + ieee80211_tx_status(wl->hw, skb); + filtered++; + } + } + + spin_lock_irqsave(&wl->wl_lock, flags); + wl->tx_queue_count -= filtered; + spin_unlock_irqrestore(&wl->wl_lock, flags); + + wl1271_handle_tx_low_watermark(wl); +} + +void wl1271_ps_link_start(struct wl1271 *wl, u8 hlid, bool clean_queues) +{ + struct ieee80211_sta *sta; + + if (test_bit(hlid, &wl->ap_ps_map)) + return; + + wl1271_debug(DEBUG_PSM, "start mac80211 PSM on hlid %d blks %d " + "clean_queues %d", hlid, wl->links[hlid].allocated_blks, + clean_queues); + + rcu_read_lock(); + sta = ieee80211_find_sta(wl->vif, wl->links[hlid].addr); + if (!sta) { + wl1271_error("could not find sta %pM for starting ps", + wl->links[hlid].addr); + rcu_read_unlock(); + return; + } + ieee80211_sta_ps_transition_ni(sta, true); + rcu_read_unlock(); + + /* do we want to filter all frames from this link's queues? */ + if (clean_queues) + wl1271_ps_filter_frames(wl, hlid); + + __set_bit(hlid, &wl->ap_ps_map); +} + +void wl1271_ps_link_end(struct wl1271 *wl, u8 hlid) +{ + struct ieee80211_sta *sta; + + if (!test_bit(hlid, &wl->ap_ps_map)) + return; + + wl1271_debug(DEBUG_PSM, "end mac80211 PSM on hlid %d", hlid); + + __clear_bit(hlid, &wl->ap_ps_map); + + rcu_read_lock(); + sta = ieee80211_find_sta(wl->vif, wl->links[hlid].addr); + if (!sta) { + wl1271_error("could not find sta %pM for ending ps", + wl->links[hlid].addr); + goto end; + } + + ieee80211_sta_ps_transition_ni(sta, false); +end: + rcu_read_unlock(); +} |