Add 80211n BA initiator session support wl1271 driver.
BA initiator session management included in FW independently.
Signed-off-by: Shahar Levi <shahar_levi@xxxxxx>
---
Limitation:
- For now only one BA per direction is supported
- BA receiver session not supported in that Series
Changes from v1:
- Remove wl1271_op_ampdu_action()
- set CONF_BA_INACTIVITY_TIMEOUT as configurable value
- Clean to Linux code style.
Changes from v2:
- Two new ACX commands ACX_BA_SESSION_POLICY_CFG & ACX_BA_SESSION_RX_SETUP
- New struct wl1271_acx_ba_session_policy
- Calling wl1271_set_ba_policies() once in init
- Use ieee80211_back_parties
- Rebase to latest
drivers/net/wireless/wl12xx/acx.c | 50 ++++++++++++++++++++++++++++++++++
drivers/net/wireless/wl12xx/acx.h | 41 ++++++++++++++++++++++++++-
drivers/net/wireless/wl12xx/conf.h | 7 +++++
drivers/net/wireless/wl12xx/init.c | 25 +++++++++++++++++
drivers/net/wireless/wl12xx/main.c | 8 ++++-
drivers/net/wireless/wl12xx/wl12xx.h | 4 +++
6 files changed, 131 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c
index 7cbaeb6..6c433b7 100644
--- a/drivers/net/wireless/wl12xx/acx.c
+++ b/drivers/net/wireless/wl12xx/acx.c
@@ -1309,6 +1309,56 @@ out:
return ret;
}
+/* Configure BA session initiator\receiver parameters setting in the FW. */
+int wl1271_acx_set_ba_session(struct wl1271 *wl,
+ enum ieee80211_back_parties direction,
+ u8 tid_index, u8 policy)
+{
+ struct wl1271_acx_ba_session_policy *acx;
+ int ret;
+
+ wl1271_debug(DEBUG_ACX, "acx ba session setting");
+
+ acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+ if (!acx) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* ANY role */
+ acx->role_id = 0xff;
+ acx->tid = tid_index;
+ acx->enable = policy;
+ acx->win_size = BA_RECEIVER_WIN_SIZE;
+ acx->ba_direction = direction;
+
+ switch (direction) {
+ case WLAN_BACK_INITIATOR:
+ acx->inactivity_timeout = wl->conf.ht.inactivity_timeout;
+ break;
+ case WLAN_BACK_RECIPIENT:
+ acx->inactivity_timeout = 0;
+ break;
+ default:
+ wl1271_error("Incorrect acx command id=%x\n", direction);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = wl1271_cmd_configure(wl,
+ ACX_BA_SESSION_POLICY_CFG,
+ acx,
+ sizeof(*acx));
+ if (ret < 0) {
+ wl1271_warning("acx ba session setting failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(acx);
+ return ret;
+}
+
int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime)
{
struct wl1271_acx_fw_tsf_information *tsf_info;
diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/acx.h
index 75a6306..c511dce 100644
--- a/drivers/net/wireless/wl12xx/acx.h
+++ b/drivers/net/wireless/wl12xx/acx.h
@@ -1046,6 +1046,40 @@ struct wl1271_acx_ht_information {
u8 padding[3];
} __packed;
+#define BA_RECEIVER_WIN_SIZE 8
+
+struct wl1271_acx_ba_session_policy {
+ struct acx_header header;
+ /*
+ * Specifies role Id, Range 0-7, 0xFF means ANY role.
+ * Future use. For now this field is irrelevant
+ */
+ u8 role_id;
+ /*
+ * Specifies Link Id, Range 0-31, 0xFF means ANY Link Id.
+ * Not applicable if Role Id is set to ANY.
+ */
+ u8 link_id;
+
+ u8 tid;
+
+ u8 enable;
+
+ /* Windows size in number of packets */
+ u16 win_size;
+
+ /*
+ * As initiator inactivity timeout in time units(TU) of 1024us.
+ * As receiver reserved
+ */
+ u16 inactivity_timeout;
+
+ /* Initiator = 1/Receiver = 0 */
+ u8 ba_direction;
+
+ u8 padding[3];
+} __packed;
+
struct wl1271_acx_fw_tsf_information {
struct acx_header header;
@@ -1108,8 +1142,8 @@ enum {
ACX_RSSI_SNR_WEIGHTS = 0x0052,
ACX_KEEP_ALIVE_MODE = 0x0053,
ACX_SET_KEEP_ALIVE_CONFIG = 0x0054,
- ACX_BA_SESSION_RESPONDER_POLICY = 0x0055,
- ACX_BA_SESSION_INITIATOR_POLICY = 0x0056,
+ ACX_BA_SESSION_POLICY_CFG = 0x0055,
+ ACX_BA_SESSION_RX_SETUP = 0x0056,
ACX_PEER_HT_CAP = 0x0057,
ACX_HT_BSS_OPERATION = 0x0058,
ACX_COEX_ACTIVITY = 0x0059,
@@ -1180,6 +1214,9 @@ int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
bool allow_ht_operation);
int wl1271_acx_set_ht_information(struct wl1271 *wl,
u16 ht_operation_mode);
+int wl1271_acx_set_ba_session(struct wl1271 *wl,
+ enum ieee80211_back_parties direction,
+ u8 tid_index, u8 policy);
int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime);
#endif /* __WL1271_ACX_H__ */
diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h
index a16b361..41df771 100644
--- a/drivers/net/wireless/wl12xx/conf.h
+++ b/drivers/net/wireless/wl12xx/conf.h
@@ -1090,6 +1090,12 @@ struct conf_rf_settings {
u8 tx_per_channel_power_compensation_5[CONF_TX_PWR_COMPENSATION_LEN_5];
};
+#define CONF_BA_INACTIVITY_TIMEOUT 10000
+
+struct conf_ht_setting {
+ u16 inactivity_timeout;
+};
+
struct conf_drv_settings {
struct conf_sg_settings sg;
struct conf_rx_settings rx;
@@ -1100,6 +1106,7 @@ struct conf_drv_settings {
struct conf_roam_trigger_settings roam_trigger;
struct conf_scan_settings scan;
struct conf_rf_settings rf;
+ struct conf_ht_setting ht;
};
#endif
diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c
index 7949d34..adc27c0 100644
--- a/drivers/net/wireless/wl12xx/init.c
+++ b/drivers/net/wireless/wl12xx/init.c
@@ -208,6 +208,26 @@ static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
return 0;
}
+static int wl1271_set_ba_policies(struct wl1271 *wl)
+{
+ u8 tid_index;
+ u8 ret;
+
+ /* Reset the BA RX indicators */
+ wl->ba_allowed = true;
+ wl->ba_rx_bitmap = 0;
+
+ /* 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;
@@ -359,6 +379,11 @@ 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:
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 31f0e2f..b8c42d7 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -233,7 +233,7 @@ static struct conf_drv_settings default_conf = {
.avg_weight_rssi_beacon = 20,
.avg_weight_rssi_data = 10,
.avg_weight_snr_beacon = 20,
- .avg_weight_snr_data = 10
+ .avg_weight_snr_data = 10,
},
.scan = {
.min_dwell_time_active = 7500,
@@ -252,6 +252,9 @@ static struct conf_drv_settings default_conf = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
},
+ .ht = {
+ .inactivity_timeout = CONF_BA_INACTIVITY_TIMEOUT,
+ },
};
static void __wl1271_op_remove_interface(struct wl1271 *wl);
@@ -2059,7 +2062,8 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
wl1271_warning("Set ht cap true failed %d", ret);
goto out_sleep;
}
- ret = wl1271_acx_set_ht_information(wl,
+
+ ret = wl1271_acx_set_ht_information(wl,
bss_conf->ht_operation_mode);
if (ret < 0) {
wl1271_warning("Set ht information failed %d", ret);
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index 3c836e6..807ac7a 100644
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -497,6 +497,10 @@ struct wl1271 {
/* Most recently reported noise in dBm */
s8 noise;
+
+ /* RX BA constraint value */
+ u8 ba_allowed;
+ u8 ba_rx_bitmap;
};
int wl1271_plt_start(struct wl1271 *wl);
--
1.7.0.4
--
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