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 --- include/net/cfg80211.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 8188ad200de5..a5d54d70d72b 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1236,6 +1236,26 @@ ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef) return chandef->chan->max_power; } +/** + * 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 -- 2.43.0