diff options
| author | Levi, Shahar <shahar_levi@ti.com> | 2011-01-23 09:27:22 +0300 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2011-01-24 23:58:20 +0300 |
| commit | 4b7fac77b4c1badac84df3dcbdf07199d94cb1c3 (patch) | |
| tree | 5296c389602351400fae7986d456e16442b8010d /drivers/net/wireless/wl12xx/init.c | |
| parent | 6c89b7b2f856a2b67f53313ddfa3af4ab52bae28 (diff) | |
| download | linux-4b7fac77b4c1badac84df3dcbdf07199d94cb1c3.tar.xz | |
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.c | 42 |
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: |