wl1251: implement wl1251_acx_tid_cfg()
Kalle Valo [Mon, 30 Nov 2009 08:18:27 +0000 (10:18 +0200)]
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>

drivers/net/wireless/wl12xx/wl1251_acx.c
drivers/net/wireless/wl12xx/wl1251_acx.h
drivers/net/wireless/wl12xx/wl1251_main.c

index b409c75..beff084 100644 (file)
@@ -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;
+}
index 5679324..26160c4 100644 (file)
@@ -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__ */
index c1c7cb5..74770ad 100644 (file)
@@ -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: