ath10k: add ath10k_htt_rx_amsdu_allowed function
authorJanusz Dziedzic <janusz.dziedzic@tieto.com>
Wed, 19 Mar 2014 06:09:40 +0000 (07:09 +0100)
committerKalle Valo <kvalo@qca.qualcomm.com>
Fri, 21 Mar 2014 15:41:15 +0000 (17:41 +0200)
Introduce ath10k_htt_rx_amsdu_allowed() function, that
group code for checking if skip amsdu packets.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
drivers/net/wireless/ath/ath10k/htt_rx.c

index cdcbe2d..9cd54a9 100644 (file)
@@ -952,6 +952,55 @@ static int ath10k_unchain_msdu(struct sk_buff *msdu_head)
        return 0;
 }
 
+static bool ath10k_htt_rx_amsdu_allowed(struct ath10k_htt *htt,
+                                       struct sk_buff *head,
+                                       struct htt_rx_info *info)
+{
+       enum htt_rx_mpdu_status status = info->status;
+
+       if (!head) {
+               ath10k_warn("htt rx no data!\n");
+               return false;
+       }
+
+       if (head->len == 0) {
+               ath10k_dbg(ATH10K_DBG_HTT,
+                          "htt rx dropping due to zero-len\n");
+               return false;
+       }
+
+       if (ath10k_htt_rx_has_decrypt_err(head)) {
+               ath10k_dbg(ATH10K_DBG_HTT,
+                          "htt rx dropping due to decrypt-err\n");
+               return false;
+       }
+
+       /* Skip mgmt frames while we handle this in WMI */
+       if (status == HTT_RX_IND_MPDU_STATUS_MGMT_CTRL ||
+           ath10k_htt_rx_is_mgmt(head)) {
+               ath10k_dbg(ATH10K_DBG_HTT, "htt rx mgmt ctrl\n");
+               return false;
+       }
+
+       if (status != HTT_RX_IND_MPDU_STATUS_OK &&
+           status != HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR &&
+           status != HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER &&
+           !htt->ar->monitor_enabled) {
+               ath10k_dbg(ATH10K_DBG_HTT,
+                          "htt rx ignoring frame w/ status %d\n",
+                          status);
+               return false;
+       }
+
+       if (test_bit(ATH10K_CAC_RUNNING, &htt->ar->dev_flags)) {
+               ath10k_dbg(ATH10K_DBG_HTT,
+                          "htt rx CAC running\n");
+               return false;
+       }
+
+       return true;
+}
+
 static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
                                  struct htt_rx_indication *rx)
 {
@@ -984,7 +1033,6 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 
                for (j = 0; j < mpdu_ranges[i].mpdu_count; j++) {
                        struct sk_buff *msdu_head, *msdu_tail;
-                       enum htt_rx_mpdu_status status;
                        int msdu_chaining;
 
                        msdu_head = NULL;
@@ -995,49 +1043,8 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
                                                         &msdu_head,
                                                         &msdu_tail);
 
-                       if (!msdu_head) {
-                               ath10k_warn("htt rx no data!\n");
-                               continue;
-                       }
-
-                       if (msdu_head->len == 0) {
-                               ath10k_dbg(ATH10K_DBG_HTT,
-                                          "htt rx dropping due to zero-len\n");
-                               ath10k_htt_rx_free_msdu_chain(msdu_head);
-                               continue;
-                       }
-
-                       if (ath10k_htt_rx_has_decrypt_err(msdu_head)) {
-                               ath10k_dbg(ATH10K_DBG_HTT,
-                                          "htt rx dropping due to decrypt-err\n");
-                               ath10k_htt_rx_free_msdu_chain(msdu_head);
-                               continue;
-                       }
-
-                       status = info.status;
-
-                       /* Skip mgmt frames while we handle this in WMI */
-                       if (status == HTT_RX_IND_MPDU_STATUS_MGMT_CTRL ||
-                           ath10k_htt_rx_is_mgmt(msdu_head)) {
-                               ath10k_dbg(ATH10K_DBG_HTT, "htt rx mgmt ctrl\n");
-                               ath10k_htt_rx_free_msdu_chain(msdu_head);
-                               continue;
-                       }
-
-                       if (status != HTT_RX_IND_MPDU_STATUS_OK &&
-                           status != HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR &&
-                           status != HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER &&
-                           !htt->ar->monitor_enabled) {
-                               ath10k_dbg(ATH10K_DBG_HTT,
-                                          "htt rx ignoring frame w/ status %d\n",
-                                          status);
-                               ath10k_htt_rx_free_msdu_chain(msdu_head);
-                               continue;
-                       }
-
-                       if (test_bit(ATH10K_CAC_RUNNING, &htt->ar->dev_flags)) {
-                               ath10k_dbg(ATH10K_DBG_HTT,
-                                          "htt rx CAC running\n");
+                       if (!ath10k_htt_rx_amsdu_allowed(htt, msdu_head,
+                                                        &info)) {
                                ath10k_htt_rx_free_msdu_chain(msdu_head);
                                continue;
                        }