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wl1251: implement wl1251_acx_tid_cfg()

Browse source 
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>
This commit is contained in:
Kalle Valo 2009-11-30 10:18:27 +02:00 committed by John W. Linville
parent 86dff7a795
commit 27336f1c0c
3 changed files with 102 additions and 0 deletions
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36
drivers/net/wireless/wl12xx/wl1251_acx.c
View file

@ -1009,3 +1009,39 @@ int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max,
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;
}

55
drivers/net/wireless/wl12xx/wl1251_acx.h
View 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__ */

11
drivers/net/wireless/wl12xx/wl1251_main.c
View 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: