diff options
| author | Arik Nemtsov <arik@wizery.com> | 2011-02-23 00:22:31 +0200 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2011-02-23 11:18:46 +0200 |
| commit | b622d992c21a85ce590afe2c18977ed28b457e0e (patch) | |
| tree | b5a5552141932de9628cc569d2f2dee4df9870dc /drivers/net/wireless/wl12xx/wl12xx.h | |
| parent | 09039f42a24084c10e7761ab28ef22932c62a46f (diff) | |
wl12xx: AP-mode - management of links in PS-mode
Update the PS mode of each link according to a bitmap polled from
fw_status. Manually notify mac80211 about PS mode changes in connected
stations.
mac80211 will only be notified about PS start when the station is in PS
and there is a small number of TX blocks from this link ready in HW.
This is required for waking up the remote station since the TIM is
updated entirely by FW.
When a station enters mac80211-PS-mode, we drop all the skbs in the
low-level TX queues belonging to this sta with STAT_TX_FILTERED
to keep our queues clean.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl12xx.h')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index 0e00c5be99d3..338acc9f60b3 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -153,6 +153,17 @@ extern u32 wl12xx_debug_level; #define WL1271_AP_BROADCAST_HLID 1 #define WL1271_AP_STA_HLID_START 2 +/* + * When in AP-mode, we allow (at least) this number of mem-blocks + * to be transmitted to FW for a STA in PS-mode. Only when packets are + * present in the FW buffers it will wake the sleeping STA. We want to put + * enough packets for the driver to transmit all of its buffered data before + * the STA goes to sleep again. But we don't want to take too much mem-blocks + * as it might hurt the throughput of active STAs. + * The number of blocks (18) is enough for 2 large packets. + */ +#define WL1271_PS_STA_MAX_BLOCKS (2 * 9) + #define WL1271_AP_BSS_INDEX 0 #define WL1271_AP_DEF_INACTIV_SEC 300 #define WL1271_AP_DEF_BEACON_EXP 20 @@ -326,6 +337,8 @@ struct wl1271_link { /* accounting for allocated / available TX blocks in FW */ u8 allocated_blks; u8 prev_freed_blks; + + u8 addr[ETH_ALEN]; }; struct wl1271 { @@ -516,6 +529,12 @@ struct wl1271 { /* the hlid of the link where the last transmitted skb came from */ int last_tx_hlid; + + /* AP-mode - a bitmap of links currently in PS mode according to FW */ + u32 ap_fw_ps_map; + + /* AP-mode - a bitmap of links currently in PS mode in mac80211 */ + unsigned long ap_ps_map; }; struct wl1271_station { |