diff options
| author | Rajkumar Manoharan <rmanohar@codeaurora.org> | 2020-05-28 21:34:33 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-05-31 11:26:42 +0200 |
| commit | d1b7524b3ea140e552658485d4e9dce5ee2953e1 (patch) | |
| tree | 76d9a5d505d8ac0032ec736771046243a6a6085d /net/mac80211/mesh.c | |
| parent | 24a2042cb22fdfc7feef0df9622f0d9d71b8ced1 (diff) | |
mac80211: build HE operation with 6 GHz oper information
Add 6 GHz operation information (IEEE 802.11ax/D6.0, Figure 9-787k)
while building HE operation element for non-HE AP. This field is used to
determine channel information in the absence of HT/VHT IEs.
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Link: https://lore.kernel.org/r/1589399105-25472-8-git-send-email-rmanohar@codeaurora.org
[fix skb allocation size]
Link: https://lore.kernel.org/r/20200528193455.76796-1-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mesh.c')
| -rw-r--r-- | net/mac80211/mesh.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 5e8d72bdbb98..5f3d45474db6 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -565,6 +565,7 @@ int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata, { const struct ieee80211_sta_he_cap *he_cap; struct ieee80211_supported_band *sband; + u32 len; u8 *pos; sband = ieee80211_get_sband(sdata); @@ -578,11 +579,15 @@ int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata, sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10) return 0; - if (skb_tailroom(skb) < 2 + 1 + sizeof(struct ieee80211_he_operation)) + len = 2 + 1 + sizeof(struct ieee80211_he_operation); + if (sdata->vif.bss_conf.chandef.chan->band == NL80211_BAND_6GHZ) + len += sizeof(struct ieee80211_he_6ghz_oper); + + if (skb_tailroom(skb) < len) return -ENOMEM; - pos = skb_put(skb, 2 + 1 + sizeof(struct ieee80211_he_operation)); - ieee80211_ie_build_he_oper(pos); + pos = skb_put(skb, len); + ieee80211_ie_build_he_oper(pos, &sdata->vif.bss_conf.chandef); return 0; } @@ -773,6 +778,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) 2 + sizeof(struct ieee80211_vht_operation) + ie_len_he_cap + 2 + 1 + sizeof(struct ieee80211_he_operation) + + sizeof(struct ieee80211_he_6ghz_oper) + 2 + 1 + sizeof(struct ieee80211_he_6ghz_capa) + ifmsh->ie_len; |