wl1251: implement wl1251_acx_tid_cfg()

Needed for WMM.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 102 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c
index b409c75499dd..beff084040b5 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.c
@@ -1009,3 +1009,39 @@ out:
         kfree(acx);
         return ret;
 }
+
+int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue,
+                       enum wl1251_acx_channel_type type,
+                       u8 tsid, enum wl1251_acx_ps_scheme ps_scheme,
+                       enum wl1251_acx_ack_policy ack_policy)
+{
+        struct wl1251_acx_tid_cfg *acx;
+        int ret = 0;
+
+        wl1251_debug(DEBUG_ACX, "acx tid cfg %d type %d tsid %d "
+                     "ps_scheme %d ack_policy %d", queue, type, tsid,
+                     ps_scheme, ack_policy);
+
+        acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+
+        if (!acx) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        acx->queue = queue;
+        acx->type = type;
+        acx->tsid = tsid;
+        acx->ps_scheme = ps_scheme;
+        acx->ack_policy = ack_policy;
+
+        ret = wl1251_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
+        if (ret < 0) {
+                wl1251_warning("acx tid cfg failed: %d", ret);
+                goto out;
+        }
+
+out:
+        kfree(acx);
+        return ret;
+}
diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h
index 56793245b287..26160c45784c 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.h
@@ -1196,6 +1196,57 @@ struct wl1251_acx_ac_cfg {
         u16 txop_limit;
 } __attribute__ ((packed));
 
+
+enum wl1251_acx_channel_type {
+        CHANNEL_TYPE_DCF        = 0,
+        CHANNEL_TYPE_EDCF       = 1,
+        CHANNEL_TYPE_HCCA       = 2,
+};
+
+enum wl1251_acx_ps_scheme {
+        /* regular ps: simple sending of packets */
+        WL1251_ACX_PS_SCHEME_LEGACY     = 0,
+
+        /* sending a packet triggers a unscheduled apsd downstream */
+        WL1251_ACX_PS_SCHEME_UPSD_TRIGGER       = 1,
+
+        /* a pspoll packet will be sent before every data packet */
+        WL1251_ACX_PS_SCHEME_LEGACY_PSPOLL      = 2,
+
+        /* scheduled apsd mode */
+        WL1251_ACX_PS_SCHEME_SAPSD              = 3,
+};
+
+enum wl1251_acx_ack_policy {
+        WL1251_ACX_ACK_POLICY_LEGACY    = 0,
+        WL1251_ACX_ACK_POLICY_NO_ACK    = 1,
+        WL1251_ACX_ACK_POLICY_BLOCK     = 2,
+};
+
+struct wl1251_acx_tid_cfg {
+        struct acx_header header;
+
+        /* tx queue id number (0-7) */
+        u8 queue;
+
+        /* channel access type for the queue, enum wl1251_acx_channel_type */
+        u8 type;
+
+        /* EDCA: ac index (0-3), HCCA: traffic stream id (8-15) */
+        u8 tsid;
+
+        /* ps scheme of the specified queue, enum wl1251_acx_ps_scheme */
+        u8 ps_scheme;
+
+        /* the tx queue ack policy, enum wl1251_acx_ack_policy */
+        u8 ack_policy;
+
+        u8 padding[3];
+
+        /* not supported */
+        u32 apsdconf[2];
+} __attribute__ ((packed));
+
 /*************************************************************************
 
     Host Interrupt Register (WiLink -> Host)
@@ -1354,5 +1405,9 @@ int wl1251_acx_mem_cfg(struct wl1251 *wl);
 int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim);
 int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max,
                       u8 aifs, u16 txop);
+int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue,
+                       enum wl1251_acx_channel_type type,
+                       u8 tsid, enum wl1251_acx_ps_scheme ps_scheme,
+                       enum wl1251_acx_ack_policy ack_policy);
 
 #endif /* __WL1251_ACX_H__ */
diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index c1c7cb5aea2b..74770ada37de 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -1302,7 +1302,18 @@ static int wl1251_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
         ret = wl1251_acx_ac_cfg(wl, wl1251_tx_get_queue(queue),
                                 params->cw_min, params->cw_max,
                                 params->aifs, params->txop);
+        if (ret < 0)
+                goto out_sleep;
+
+        ret = wl1251_acx_tid_cfg(wl, wl1251_tx_get_queue(queue),
+                                 CHANNEL_TYPE_DCF,
+                                 wl1251_tx_get_queue(queue),
+                                 WL1251_ACX_PS_SCHEME_LEGACY,
+                                 WL1251_ACX_ACK_POLICY_LEGACY);
+        if (ret < 0)
+                goto out_sleep;
 
+out_sleep:
         wl1251_ps_elp_sleep(wl);
 
 out: