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wifi: mac80211: expose ieee80211_chan_width_to_rx_bw() to drivers

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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>
This commit is contained in:
Johannes Berg 2024-10-07 15:00:58 +03:00
parent b23af47921
commit 751e7489c1
3 changed files with 27 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
include/net/mac80211.h
View file

@ -7704,6 +7704,33 @@ void ieee80211_set_active_links_async(struct ieee80211_vif *vif,
*/ */
void ieee80211_send_teardown_neg_ttlm(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 ... */ /* for older drivers - let's not document these ... */
int ieee80211_emulate_add_chanctx(struct ieee80211_hw *hw, int ieee80211_emulate_add_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *ctx); struct ieee80211_chanctx_conf *ctx);

2
net/mac80211/ieee80211_i.h
View file

@ -2194,8 +2194,6 @@ ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta)
return _ieee80211_sta_cur_vht_bw(link_sta, NULL); return _ieee80211_sta_cur_vht_bw(link_sta, NULL);
} }
void ieee80211_sta_init_nss(struct link_sta_info *link_sta); 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 enum nl80211_chan_width
ieee80211_sta_cap_chan_bw(struct link_sta_info *link_sta); ieee80211_sta_cap_chan_bw(struct link_sta_info *link_sta);
void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,

22
net/mac80211/vht.c
View file

@ -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 */ /* FIXME: rename/move - this deals with everything not just VHT */
enum ieee80211_sta_rx_bandwidth enum ieee80211_sta_rx_bandwidth
_ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta, _ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta,