Added ACX command to the FW for 11n support.
Signed-off-by: Shahar Levi <shahar_levi@xxxxxx>
---
drivers/net/wireless/wl12xx/wl1271_acx.c | 91 ++++++++++++++++++++++++++++++
drivers/net/wireless/wl12xx/wl1271_acx.h | 5 ++
2 files changed, 96 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 6189934..cc6b7d8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -1226,6 +1226,97 @@ 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;
+ /*
+ * Note, currently this value will be set to FFFFFFFFFFFF to indicate
+ * it is relevant for all peers since we only support HT in
+ * infrastructure mode. Later on this field will be relevant to
+ * IBSS/DLS operation */
+ 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 (true == allow_ht_operation) {
+ acx->ht_capabilites =
+ WL1271_ACX_FW_CAP_BIT_MASK_HT_OPERATION;
+ acx->ht_capabilites |=
+ ((ht_cap->cap & IEEE80211_HT_CAP_GRN_FLD) ?
+ WL1271_ACX_FW_CAP_BIT_MASK_GREENFIELD_FRAME_FORMAT : 0);
+ acx->ht_capabilites |=
+ ((ht_cap->cap & IEEE80211_HT_CAP_SGI_20) ?
+ WL1271_ACX_FW_CAP_BIT_MASK_SHORT_GI_FOR_20MHZ_PACKETS : 0);
+ acx->ht_capabilites |=
+ ((ht_cap->cap & IEEE80211_HT_CAP_LSIG_TXOP_PROT) ?
+ WL1271_ACX_FW_CAP_BIT_MASK_LSIG_TXOP_PROTECTION : 0);
+
+ /* get date 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);
+ }
+ /* HT operations are not allowed */
+ else
+ 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;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 5cf5a0d..abd4c70 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -1183,6 +1183,11 @@ 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__ */
--
1.6.0.4
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