iwl3945: use iwl_bss_info_changed

3945 can use iwl_bss_info_changed.
A new lib op is created for post_assoicate to distinguish between
3945 and iwlwifi's post_associate operations.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 2399328e8de7..519e8922d9f4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1964,6 +1964,50 @@ int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power)
         return 0;
 }
 
+static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
+{
+        int rc = 0;
+        struct iwl_rx_packet *res = NULL;
+        struct iwl3945_rxon_assoc_cmd rxon_assoc;
+        struct iwl_host_cmd cmd = {
+                .id = REPLY_RXON_ASSOC,
+                .len = sizeof(rxon_assoc),
+                .meta.flags = CMD_WANT_SKB,
+                .data = &rxon_assoc,
+        };
+        const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
+        const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+
+        if ((rxon1->flags == rxon2->flags) &&
+            (rxon1->filter_flags == rxon2->filter_flags) &&
+            (rxon1->cck_basic_rates == rxon2->cck_basic_rates) &&
+            (rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates)) {
+                IWL_DEBUG_INFO(priv, "Using current RXON_ASSOC.  Not resending.\n");
+                return 0;
+        }
+
+        rxon_assoc.flags = priv->staging_rxon.flags;
+        rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
+        rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
+        rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+        rxon_assoc.reserved = 0;
+
+        rc = iwl_send_cmd_sync(priv, &cmd);
+        if (rc)
+                return rc;
+
+        res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
+        if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+                IWL_ERR(priv, "Bad return from REPLY_RXON_ASSOC command\n");
+                rc = -EIO;
+        }
+
+        priv->alloc_rxb_skb--;
+        dev_kfree_skb_any(cmd.meta.u.skb);
+
+        return rc;
+}
+
 /* will add 3945 channel switch cmd handling later */
 int iwl3945_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 {
@@ -2729,6 +2773,10 @@ static int iwl3945_load_bsm(struct iwl_priv *priv)
         return 0;
 }
 
+static struct iwl_hcmd_ops iwl3945_hcmd = {
+        .rxon_assoc = iwl3945_send_rxon_assoc,
+};
+
 static struct iwl_lib_ops iwl3945_lib = {
         .txq_attach_buf_to_tfd = iwl3945_hw_txq_attach_buf_to_tfd,
         .txq_free_tfd = iwl3945_hw_txq_free_tfd,
@@ -2758,6 +2806,7 @@ static struct iwl_lib_ops iwl3945_lib = {
         },
         .send_tx_power  = iwl3945_send_tx_power,
         .is_valid_rtc_data_addr = iwl3945_hw_valid_rtc_data_addr,
+        .post_associate = iwl3945_post_associate,
 };
 
 static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
@@ -2767,6 +2816,7 @@ static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
 
 static struct iwl_ops iwl3945_ops = {
         .lib = &iwl3945_lib,
+        .hcmd = &iwl3945_hcmd,
         .utils = &iwl3945_hcmd_utils,
 };