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authorPradeep Kumar Chitrapu <pradeepc@codeaurora.org>2020-10-20 20:31:08 +0200
committerJohannes Berg <johannes.berg@intel.com>2020-11-06 10:03:21 +0100
commit70debba3ab7d1009e97310268339cee1d5c7d949 (patch)
treecbdc95f5ad11a16675f88f51aa55bffd24430279 /net/mac80211/mesh.c
parentcfg80211: add support to configure HE MCS for beacon rate (diff)
downloadlinux-70debba3ab7d1009e97310268339cee1d5c7d949.tar.xz
linux-70debba3ab7d1009e97310268339cee1d5c7d949.zip
mac80211: save HE oper info in BSS config for mesh
Currently he_support is set only for AP mode. Storing this information for mesh BSS as well helps driver to determine HE support. Also save HE operation element params in BSS conf so that drivers can access this for any configurations instead of having to parse the beacon to fetch that info. Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org> Link: https://lore.kernel.org/r/20201020183111.25458-2-pradeepc@codeaurora.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mesh.c')
-rw-r--r--net/mac80211/mesh.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index ce5825d6f1d1..97095b7c9c64 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -667,6 +667,35 @@ void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh)
}
}
+static void
+ieee80211_mesh_update_bss_params(struct ieee80211_sub_if_data *sdata,
+ u8 *ie, u8 ie_len)
+{
+ struct ieee80211_supported_band *sband;
+ const u8 *cap;
+ const struct ieee80211_he_operation *he_oper = NULL;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return;
+
+ if (!ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT) ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ return;
+
+ sdata->vif.bss_conf.he_support = true;
+
+ cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ie, ie_len);
+ if (cap && cap[1] >= ieee80211_he_oper_size(&cap[3]))
+ he_oper = (void *)(cap + 3);
+
+ if (he_oper)
+ sdata->vif.bss_conf.he_oper.params =
+ __le32_to_cpu(he_oper->he_oper_params);
+}
+
/**
* ieee80211_fill_mesh_addresses - fill addresses of a locally originated mesh frame
* @hdr: 802.11 frame header
@@ -943,6 +972,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
bcn->tail_len = skb->len;
memcpy(bcn->tail, skb->data, bcn->tail_len);
+ ieee80211_mesh_update_bss_params(sdata, bcn->tail, bcn->tail_len);
bcn->meshconf = (struct ieee80211_meshconf_ie *)
(bcn->tail + ifmsh->meshconf_offset);