package/kernel/mac80211/patches/ath/553-ath9k-dynack-use-authentication-messages-for-late-ac.patch

   1 From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
   2 Date: Fri, 2 Nov 2018 21:49:55 +0100
   3 Subject: [PATCH] ath9k: dynack: use authentication messages for 'late' ack
   4
   5 In order to properly support dynack in ad-hoc mode running
   6 wpa_supplicant, take into account authentication frames for
   7 'late ack' detection. This patch has been tested on devices
   8 mounted on offshore high-voltage stations connected through
   9 ~24Km link
  10
  11 Reported-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
  12 Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
  13 Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
  14 ---
  15
  16 --- a/drivers/net/wireless/ath/ath9k/dynack.c
  17 +++ b/drivers/net/wireless/ath/ath9k/dynack.c
  18 @@ -187,7 +187,8 @@ void ath_dynack_sample_tx_ts(struct ath_
  19         /* late ACK */
  20         if (ts->ts_status & ATH9K_TXERR_XRETRY) {
  21                 if (ieee80211_is_assoc_req(hdr->frame_control) ||
  22 -                   ieee80211_is_assoc_resp(hdr->frame_control)) {
  23 +                   ieee80211_is_assoc_resp(hdr->frame_control) ||
  24 +                   ieee80211_is_auth(hdr->frame_control)) {
  25                         ath_dbg(common, DYNACK, "late ack\n");
  26                         ath9k_hw_setslottime(ah, (LATEACK_TO - 3) / 2);
  27                         ath9k_hw_set_ack_timeout(ah, LATEACK_TO);