package/network/services/hostapd/patches/015-mesh-do-not-use-offchan-mgmt-tx-on-DFS.patch

   1 From 48f31256ffebfc43d6b14b93597aa2c7e2975dc4 Mon Sep 17 00:00:00 2001
   2 From: Peter Oh <peter.oh@bowerswilkins.com>
   3 Date: Tue, 17 Apr 2018 21:55:12 -0700
   4 Subject: [PATCH 15/16] mesh: do not use offchan mgmt tx on DFS
   5
   6 Drivers don't allow mesh to use offchannel on management Tx.
   7
   8 Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
   9 ---
  10  src/drivers/driver_nl80211.c | 5 ++++-
  11  1 file changed, 4 insertions(+), 1 deletion(-)
  12
  13 --- a/src/drivers/driver_nl80211.c
  14 +++ b/src/drivers/driver_nl80211.c
  15 @@ -7165,6 +7165,10 @@ static int wpa_driver_nl80211_send_actio
  16         struct wpa_driver_nl80211_data *drv = bss->drv;
  17         int ret = -1;
  18         u8 *buf;
  19 +       int offchanok = 1;
  20 +       u16 num_modes, flags;
  21 +       struct hostapd_hw_modes *modes;
  22 +       u8 dfs_domain;
  23         struct ieee80211_hdr *hdr;
  24
  25         wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
  26 @@ -7190,6 +7194,12 @@ static int wpa_driver_nl80211_send_actio
  27                 os_memset(bss->rand_addr, 0, ETH_ALEN);
  28         }
  29
  30 +       if (is_mesh_interface(drv->nlmode) &&
  31 +           (modes = nl80211_get_hw_feature_data(bss, &num_modes, &flags,
  32 +                                                &dfs_domain)) &&
  33 +           ieee80211_is_dfs(freq, modes, num_modes))
  34 +               offchanok = 0;
  35 +
  36         if (is_ap_interface(drv->nlmode) &&
  37             (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
  38              (int) freq == bss->freq || drv->device_ap_sme ||
  39 @@ -7201,7 +7211,7 @@ static int wpa_driver_nl80211_send_actio
  40                 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
  41                                              24 + data_len,
  42                                              &drv->send_action_cookie,
  43 -                                            no_cck, 0, 1, NULL, 0);
  44 +                                            no_cck, 0, offchanok, NULL, 0);
  45
  46         os_free(buf);
  47         return ret;