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wl1271: 11n Support, ACX Commands 

Added ACX command to the FW for 11n support.

Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
This commit is contained in:
Shahar Levi 2010-10-13 16:09:40 +02:00 committed by John W. Linville
parent e8b03a2b8d
commit c4db1c8796
2 changed files with 88 additions and 0 deletions
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83
drivers/net/wireless/wl12xx/wl1271_acx.c
View File

@ -1226,6 +1226,89 @@ out:
return ret;
}
int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
struct ieee80211_sta_ht_cap *ht_cap,
bool allow_ht_operation)
{
struct wl1271_acx_ht_capabilities *acx;
u8 mac_address[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
int ret = 0;
wl1271_debug(DEBUG_ACX, "acx ht capabilities setting");
acx = kzalloc(sizeof(*acx), GFP_KERNEL);
if (!acx) {
ret = -ENOMEM;
goto out;
}
/* Allow HT Operation ? */
if (allow_ht_operation) {
acx->ht_capabilites =
WL1271_ACX_FW_CAP_HT_OPERATION;
if (ht_cap->cap & IEEE80211_HT_CAP_GRN_FLD)
acx->ht_capabilites |=
WL1271_ACX_FW_CAP_GREENFIELD_FRAME_FORMAT;
if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
acx->ht_capabilites |=
WL1271_ACX_FW_CAP_SHORT_GI_FOR_20MHZ_PACKETS;
if (ht_cap->cap & IEEE80211_HT_CAP_LSIG_TXOP_PROT)
acx->ht_capabilites |=
WL1271_ACX_FW_CAP_LSIG_TXOP_PROTECTION;
/* get data from A-MPDU parameters field */
acx->ampdu_max_length = ht_cap->ampdu_factor;
acx->ampdu_min_spacing = ht_cap->ampdu_density;
memcpy(acx->mac_address, mac_address, ETH_ALEN);
} else { /* HT operations are not allowed */
acx->ht_capabilites = 0;
}
ret = wl1271_cmd_configure(wl, ACX_PEER_HT_CAP, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("acx ht capabilities setting failed: %d", ret);
goto out;
}
out:
kfree(acx);
return ret;
}
int wl1271_acx_set_ht_information(struct wl1271 *wl,
u16 ht_operation_mode)
{
struct wl1271_acx_ht_information *acx;
int ret = 0;
wl1271_debug(DEBUG_ACX, "acx ht information setting");
acx = kzalloc(sizeof(*acx), GFP_KERNEL);
if (!acx) {
ret = -ENOMEM;
goto out;
}
acx->ht_protection =
(u8)(ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION);
acx->rifs_mode = 0;
acx->gf_protection = 0;
acx->ht_tx_burst_limit = 0;
acx->dual_cts_protection = 0;
ret = wl1271_cmd_configure(wl, ACX_HT_BSS_OPERATION, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("acx ht information 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;

5
drivers/net/wireless/wl12xx/wl1271_acx.h
View File

@ -1174,6 +1174,11 @@ int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid);
int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, bool enable,
s16 thold, u8 hyst);
int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl);
int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
struct ieee80211_sta_ht_cap *ht_cap,
bool allow_ht_operation);
int wl1271_acx_set_ht_information(struct wl1271 *wl,
u16 ht_operation_mode);
int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime);
#endif /* __WL1271_ACX_H__ */