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mac80211: disable BSS color collision detection in case of no free colors

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AP may run out of BSS color after color collision
detection event from driver.

Disable BSS color collision detection if no free colors are
available based on bss color disabled bit sent as a part of
NL80211_ATTR_HE_BSS_COLOR attribute sent in
NL80211_CMD_SET_BEACON.

It can be reenabled once new color is available.

Signed-off-by: Lavanya Suresh <lavaks@codeaurora.org>
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Link: https://lore.kernel.org/r/1649867295-7204-3-git-send-email-quic_ramess@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Lavanya Suresh 2022-04-13 21:58:15 +05:30 committed by Johannes Berg
parent 3d48cb7481
commit 195b9a0fd5
1 changed files with 9 additions and 0 deletions
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9
net/mac80211/cfg.c
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@ -1316,6 +1316,7 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_beacon_data *params) struct cfg80211_beacon_data *params)
{ {
struct ieee80211_sub_if_data *sdata; struct ieee80211_sub_if_data *sdata;
struct ieee80211_bss_conf *bss_conf;
struct beacon_data *old; struct beacon_data *old;
int err; int err;
@ -1335,6 +1336,14 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
err = ieee80211_assign_beacon(sdata, params, NULL, NULL); err = ieee80211_assign_beacon(sdata, params, NULL, NULL);
if (err < 0) if (err < 0)
return err; return err;
bss_conf = &sdata->vif.bss_conf;
if (params->he_bss_color_valid &&
params->he_bss_color.enabled != bss_conf->he_bss_color.enabled) {
bss_conf->he_bss_color.enabled = params->he_bss_color.enabled;
err |= BSS_CHANGED_HE_BSS_COLOR;
}
ieee80211_bss_info_change_notify(sdata, err); ieee80211_bss_info_change_notify(sdata, err);
return 0; return 0;
} }