summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/wl12xx/init.c
diff options
context:
space:
mode:
authorLevi, Shahar <shahar_levi@ti.com>2011-01-23 07:27:22 +0100
committerLuciano Coelho <coelho@ti.com>2011-01-24 22:58:20 +0200
commit4b7fac77b4c1badac84df3dcbdf07199d94cb1c3 (patch)
tree5296c389602351400fae7986d456e16442b8010d /drivers/net/wireless/wl12xx/init.c
parent6c89b7b2f856a2b67f53313ddfa3af4ab52bae28 (diff)
downloadblackbird-obmc-linux-4b7fac77b4c1badac84df3dcbdf07199d94cb1c3.tar.gz
blackbird-obmc-linux-4b7fac77b4c1badac84df3dcbdf07199d94cb1c3.zip
wl12xx: BA initiator support
Add 80211n BA initiator session support wl1271 driver. Include BA supported FW version auto detection mechanism. BA initiator session management included in FW independently. Signed-off-by: Shahar Levi <shahar_levi@ti.com> Reviewed-by: Luciano Coelho <coelho@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/init.c')
-rw-r--r--drivers/net/wireless/wl12xx/init.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c
index bdb61232f80c..2348eadc0de1 100644
--- a/drivers/net/wireless/wl12xx/init.c
+++ b/drivers/net/wireless/wl12xx/init.c
@@ -455,6 +455,43 @@ static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl)
return 0;
}
+static void wl1271_check_ba_support(struct wl1271 *wl)
+{
+ /* validate FW cose ver x.x.x.50-60.x */
+ if ((wl->chip.fw_ver[3] >= WL12XX_BA_SUPPORT_FW_COST_VER2_START) &&
+ (wl->chip.fw_ver[3] < WL12XX_BA_SUPPORT_FW_COST_VER2_END)) {
+ wl->ba_support = true;
+ return;
+ }
+
+ wl->ba_support = false;
+}
+
+static int wl1271_set_ba_policies(struct wl1271 *wl)
+{
+ u8 tid_index;
+ u8 ret = 0;
+
+ /* Reset the BA RX indicators */
+ wl->ba_allowed = true;
+ wl->ba_rx_bitmap = 0;
+
+ /* validate that FW support BA */
+ wl1271_check_ba_support(wl);
+
+ if (wl->ba_support)
+ /* 802.11n initiator BA session setting */
+ for (tid_index = 0; tid_index < CONF_TX_MAX_TID_COUNT;
+ ++tid_index) {
+ ret = wl1271_acx_set_ba_session(wl, WLAN_BACK_INITIATOR,
+ tid_index, true);
+ if (ret < 0)
+ break;
+ }
+
+ return ret;
+}
+
int wl1271_hw_init(struct wl1271 *wl)
{
struct conf_tx_ac_category *conf_ac;
@@ -568,6 +605,11 @@ int wl1271_hw_init(struct wl1271 *wl)
if (ret < 0)
goto out_free_memmap;
+ /* Configure initiator BA sessions policies */
+ ret = wl1271_set_ba_policies(wl);
+ if (ret < 0)
+ goto out_free_memmap;
+
return 0;
out_free_memmap:
OpenPOWER on IntegriCloud