diff options
| author | Lachlan Hodges <lachlan.hodges@morsemicro.com> | 2026-06-26 16:28:57 +1000 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2026-07-06 12:56:07 +0200 |
| commit | 1c29c67bc7a9962e2ef91e8c65b7fc4fa227eded (patch) | |
| tree | fef7c71f75ccc8b01b2ab9acb9a6806e2c7dc6e0 | |
| parent | 5e20d72350df589478691310f0e1c427f35ee4aa (diff) | |
wifi: cfg80211: introduce helper to get S1G primary width
This is needed for drivers and will be needed for mac80211/cfg80211
in the future so introduce a generic accessor to retrieve the
chandefs S1G primary channel width.
Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
Link: https://patch.msgid.link/20260626063014.1275235-2-lachlan.hodges@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | include/net/cfg80211.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index d91533a66712..b8e9fbb89e69 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1237,6 +1237,26 @@ ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef) } /** + * cfg80211_chandef_s1g_pri_width - return S1G primary width in MHz + * + * An S1G interface may have a primary channel width of either 1 + * or 2MHz depending on whether chandef::s1g_primary_2mhz is set. + * + * Note: There is _always_ a 1MHz primary subchannel, regardless + * of the primary width. So chandef::chan always points to this + * 1MHz primary channel. + * + * @chandef: the chandef to use + * + * Returns: width in MHz of the S1G primary channel in use + */ +static inline int +cfg80211_chandef_s1g_pri_width(struct cfg80211_chan_def *chandef) +{ + return chandef->s1g_primary_2mhz ? 2 : 1; +} + +/** * cfg80211_any_usable_channels - check for usable channels * @wiphy: the wiphy to check for * @band_mask: which bands to check on |