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authorJohannes Berg <johannes.berg@intel.com>2024-10-07 15:00:58 +0300
committerJohannes Berg <johannes.berg@intel.com>2024-10-23 16:43:38 +0200
commit751e7489c1d74b94ffffbed619d8fd724eeff4ee (patch)
treee8d8088718aecba25d811ac3040a4241e0558293
parentb23af47921a708e0008698eb373118bb5f20334c (diff)
wifi: mac80211: expose ieee80211_chan_width_to_rx_bw() to drivers
Drivers might need to also do this calculation, no point in them duplicating the code. Since it's so simple, just make it an inline. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20241007144851.af003cb4a088.I8b5d29504b726caae24af6013c65b3daebe842a2@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--include/net/mac80211.h27
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/vht.c22
3 files changed, 27 insertions, 24 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 7a6edc04e212..32bdda90a4ac 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -7704,6 +7704,33 @@ void ieee80211_set_active_links_async(struct ieee80211_vif *vif,
*/
void ieee80211_send_teardown_neg_ttlm(struct ieee80211_vif *vif);
+/**
+ * ieee80211_chan_width_to_rx_bw - convert channel width to STA RX bandwidth
+ * @width: the channel width value to convert
+ * Return: the STA RX bandwidth value for the channel width
+ */
+static inline enum ieee80211_sta_rx_bandwidth
+ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width)
+{
+ switch (width) {
+ default:
+ WARN_ON_ONCE(1);
+ fallthrough;
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ case NL80211_CHAN_WIDTH_20:
+ return IEEE80211_STA_RX_BW_20;
+ case NL80211_CHAN_WIDTH_40:
+ return IEEE80211_STA_RX_BW_40;
+ case NL80211_CHAN_WIDTH_80:
+ return IEEE80211_STA_RX_BW_80;
+ case NL80211_CHAN_WIDTH_160:
+ case NL80211_CHAN_WIDTH_80P80:
+ return IEEE80211_STA_RX_BW_160;
+ case NL80211_CHAN_WIDTH_320:
+ return IEEE80211_STA_RX_BW_320;
+ }
+}
+
/* for older drivers - let's not document these ... */
int ieee80211_emulate_add_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 45987add530f..d20c2e796703 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2194,8 +2194,6 @@ ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta)
return _ieee80211_sta_cur_vht_bw(link_sta, NULL);
}
void ieee80211_sta_init_nss(struct link_sta_info *link_sta);
-enum ieee80211_sta_rx_bandwidth
-ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width);
enum nl80211_chan_width
ieee80211_sta_cap_chan_bw(struct link_sta_info *link_sta);
void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index 0d439cefb445..6a20fa099190 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -479,28 +479,6 @@ ieee80211_sta_rx_bw_to_chan_width(struct link_sta_info *link_sta)
}
}
-enum ieee80211_sta_rx_bandwidth
-ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width)
-{
- switch (width) {
- case NL80211_CHAN_WIDTH_20_NOHT:
- case NL80211_CHAN_WIDTH_20:
- return IEEE80211_STA_RX_BW_20;
- case NL80211_CHAN_WIDTH_40:
- return IEEE80211_STA_RX_BW_40;
- case NL80211_CHAN_WIDTH_80:
- return IEEE80211_STA_RX_BW_80;
- case NL80211_CHAN_WIDTH_160:
- case NL80211_CHAN_WIDTH_80P80:
- return IEEE80211_STA_RX_BW_160;
- case NL80211_CHAN_WIDTH_320:
- return IEEE80211_STA_RX_BW_320;
- default:
- WARN_ON_ONCE(1);
- return IEEE80211_STA_RX_BW_20;
- }
-}
-
/* FIXME: rename/move - this deals with everything not just VHT */
enum ieee80211_sta_rx_bandwidth
_ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta,