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>

1 files changed, 83 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 618993405262..bd7f95f4eef3 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -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;