iwlwifi: generalize iwl4965_send_add_station function

This patch moves iwl4965_send_add_station to iwlcore
under new name iwl_send_add_sta.
Function uses build command handler in order to support
multiple HWs.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 49 insertions, 5 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 0148d49e0b57..34f54244ed27 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -70,6 +70,52 @@ u8 iwl_find_station(struct iwl_priv *priv, const u8 *addr)
 }
 EXPORT_SYMBOL(iwl_find_station);
 
+int iwl_send_add_sta(struct iwl_priv *priv,
+                     struct iwl_addsta_cmd *sta, u8 flags)
+{
+        struct iwl_rx_packet *res = NULL;
+        int ret = 0;
+        u8 data[sizeof(*sta)];
+        struct iwl_host_cmd cmd = {
+                .id = REPLY_ADD_STA,
+                .meta.flags = flags,
+                .data = data,
+        };
+
+        if (!(flags & CMD_ASYNC))
+                cmd.meta.flags |= CMD_WANT_SKB;
+
+        cmd.len = priv->cfg->ops->utils->build_addsta_hcmd(sta, data);
+        ret = iwl_send_cmd(priv, &cmd);
+
+        if (ret || (flags & CMD_ASYNC))
+                return ret;
+
+        res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
+        if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+                IWL_ERROR("Bad return from REPLY_ADD_STA (0x%08X)\n",
+                          res->hdr.flags);
+                ret = -EIO;
+        }
+
+        if (ret == 0) {
+                switch (res->u.add_sta.status) {
+                case ADD_STA_SUCCESS_MSK:
+                        IWL_DEBUG_INFO("REPLY_ADD_STA PASSED\n");
+                        break;
+                default:
+                        ret = -EIO;
+                        IWL_WARNING("REPLY_ADD_STA failed\n");
+                        break;
+                }
+        }
+
+        priv->alloc_rxb_skb--;
+        dev_kfree_skb_any(cmd.meta.u.skb);
+
+        return ret;
+}
+EXPORT_SYMBOL(iwl_send_add_sta);
 
 int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
 {
@@ -216,8 +262,7 @@ static int iwl_set_wep_dynamic_key_info(struct iwl_priv *priv,
         priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
         priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 
-        ret = iwl4965_send_add_station(priv,
-                &priv->stations[sta_id].sta, CMD_ASYNC);
+        ret = iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 
         spin_unlock_irqrestore(&priv->sta_lock, flags);
 
@@ -265,8 +310,7 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
         spin_unlock_irqrestore(&priv->sta_lock, flags);
 
         IWL_DEBUG_INFO("hwcrypto: modify ucode station key info\n");
-        return iwl4965_send_add_station(priv,
-                                &priv->stations[sta_id].sta, CMD_ASYNC);
+        return iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 }
 
 static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
@@ -343,7 +387,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
         priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 
         IWL_DEBUG_INFO("hwcrypto: clear ucode station key info\n");
-        ret =  iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, 0);
+        ret =  iwl_send_add_sta(priv, &priv->stations[sta_id].sta, 0);
         spin_unlock_irqrestore(&priv->sta_lock, flags);
         return ret;
 }