diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2024-03-18 19:53:25 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-03-25 17:38:13 +0300 |
| commit | 6943e00331bb26e78edb2969165e750864a6bc6d (patch) | |
| tree | 2e40f8e3b1ee9556d2f8c57088e75921b2a57b4b | |
| parent | dc63b1d08335a6440aac916a20394531c8417683 (diff) | |
| download | linux-6943e00331bb26e78edb2969165e750864a6bc6d.tar.xz | |
wifi: mac80211: add flag to disallow puncturing in 5 GHz
Some devices may not be capable of handling puncturing in 5 GHz
only (vs. the current flag that just removes puncturing support
completely). Add a flag to support such devices: check and then
downgrade the channel width if needed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240318184907.49759510da7d.I12c5a61f0be512e0c4e574c2f794ef4b37ecaf6b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | include/net/mac80211.h | 3 | ||||
| -rw-r--r-- | net/mac80211/debugfs.c | 1 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 4 |
3 files changed, 8 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 757ec33882c2..88bb781f33f6 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2779,6 +2779,8 @@ struct ieee80211_txq { * * @IEEE80211_HW_DISALLOW_PUNCTURING: HW requires disabling puncturing in EHT * and connecting with a lower bandwidth instead + * @IEEE80211_HW_DISALLOW_PUNCTURING_5GHZ: HW requires disabling puncturing in + * EHT in 5 GHz and connecting with a lower bandwidth instead * * @IEEE80211_HW_HANDLES_QUIET_CSA: HW/driver handles quieting for CSA, so * no need to stop queues. This really should be set by a driver that @@ -2843,6 +2845,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_DETECTS_COLOR_COLLISION, IEEE80211_HW_MLO_MCAST_MULTI_LINK_TX, IEEE80211_HW_DISALLOW_PUNCTURING, + IEEE80211_HW_DISALLOW_PUNCTURING_5GHZ, IEEE80211_HW_HANDLES_QUIET_CSA, /* keep last, obviously */ diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 2f68e92a7404..98310188f330 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -498,6 +498,7 @@ static const char *hw_flag_names[] = { FLAG(DETECTS_COLOR_COLLISION), FLAG(MLO_MCAST_MULTI_LINK_TX), FLAG(DISALLOW_PUNCTURING), + FLAG(DISALLOW_PUNCTURING_5GHZ), FLAG(HANDLES_QUIET_CSA), #undef FLAG }; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 8cd3253c6188..20f325b6b28c 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -599,6 +599,10 @@ static bool ieee80211_chandef_usable(struct ieee80211_sub_if_data *sdata, ieee80211_hw_check(&sdata->local->hw, DISALLOW_PUNCTURING)) return false; + if (chandef->punctured && chandef->chan->band == NL80211_BAND_5GHZ && + ieee80211_hw_check(&sdata->local->hw, DISALLOW_PUNCTURING_5GHZ)) + return false; + return true; } |