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authorJohannes Berg <johannes.berg@intel.com>2024-01-29 19:34:46 +0100
committerJohannes Berg <johannes.berg@intel.com>2024-02-08 13:07:37 +0100
commitb9d908dc3a294d25c7d6c2f54ca3987cbd98f040 (patch)
tree702712d5b8945073f4b6120c9db8def0b8b99413
parentwifi: mac80211: refactor puncturing bitmap extraction (diff)
downloadlinux-b9d908dc3a294d25c7d6c2f54ca3987cbd98f040.tar.xz
linux-b9d908dc3a294d25c7d6c2f54ca3987cbd98f040.zip
wifi: wireless: declare different S1G chandefs incompatible
It doesn't look like we can get into this code, but make it more robust and declare two S1G chandefs to be incompatible unless they're identical. Link: https://msgid.link/20240129194108.b28fb0644a8c.I9297ada5cf1baf00dbbdf8fcffd1806883489fc9@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/wireless/chan.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 71f1bd456d88..159b8aac451e 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -465,13 +465,18 @@ cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1,
return NULL;
/*
- * can't be compatible if one of them is 5 or 10 MHz,
+ * can't be compatible if one of them is 5/10 MHz or S1G
* but they don't have the same width.
*/
- if (c1->width == NL80211_CHAN_WIDTH_5 ||
- c1->width == NL80211_CHAN_WIDTH_10 ||
- c2->width == NL80211_CHAN_WIDTH_5 ||
- c2->width == NL80211_CHAN_WIDTH_10)
+#define NARROW_OR_S1G(width) ((width) == NL80211_CHAN_WIDTH_5 || \
+ (width) == NL80211_CHAN_WIDTH_10 || \
+ (width) == NL80211_CHAN_WIDTH_1 || \
+ (width) == NL80211_CHAN_WIDTH_2 || \
+ (width) == NL80211_CHAN_WIDTH_4 || \
+ (width) == NL80211_CHAN_WIDTH_8 || \
+ (width) == NL80211_CHAN_WIDTH_16)
+
+ if (NARROW_OR_S1G(c1->width) || NARROW_OR_S1G(c2->width))
return NULL;
if (c1->width == NL80211_CHAN_WIDTH_20_NOHT ||