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

   1 From 9423e8be0393e82c8622806a0529e47fd5583c0b Mon Sep 17 00:00:00 2001
   2 From: Peter Oh <peter.oh@bowerswilkins.com>
   3 Date: Tue, 29 May 2018 14:39:19 -0700
   4 Subject: [PATCH 15/18] 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 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  10 [daniel@makrotopia.org: adapted to changed ieee80211_is_dfs prototype]
  11 ---
  12  src/drivers/driver_nl80211.c | 12 ++++++++++--
  13  1 file changed, 10 insertions(+), 2 deletions(-)
  14
  15 --- a/src/drivers/driver_nl80211.c
  16 +++ b/src/drivers/driver_nl80211.c
  17 @@ -7165,6 +7165,10 @@ static int wpa_driver_nl80211_send_actio
  18         struct wpa_driver_nl80211_data *drv = bss->drv;
  19         int ret = -1;
  20         u8 *buf;
  21 +       int offchanok = 1;
  22 +       u16 num_modes, flags;
  23 +       struct hostapd_hw_modes *modes;
  24 +       u8 dfs_domain;
  25         struct ieee80211_hdr *hdr;
  26
  27         wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
  28 @@ -7189,7 +7193,11 @@ static int wpa_driver_nl80211_send_actio
  29         } else {
  30                 os_memset(bss->rand_addr, 0, ETH_ALEN);
  31         }
  32 -
  33 +       if (is_mesh_interface(drv->nlmode) &&
  34 +           (modes = nl80211_get_hw_feature_data(bss, &num_modes, &flags,
  35 +                                                &dfs_domain)) &&
  36 +           ieee80211_is_dfs(freq, modes, num_modes))
  37 +               offchanok = 0;
  38         if (is_ap_interface(drv->nlmode) &&
  39             (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
  40              (int) freq == bss->freq || drv->device_ap_sme ||
  41 @@ -7201,7 +7209,7 @@ static int wpa_driver_nl80211_send_actio
  42                 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
  43                                              24 + data_len,
  44                                              &drv->send_action_cookie,
  45 -                                            no_cck, 0, 1, NULL, 0);
  46 +                                            no_cck, 0, offchanok, NULL, 0);
  47
  48         os_free(buf);
  49         return ret;