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wifi: cfg80211: expose cfg80211_chandef_get_width()

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This can be just a trivial inline, to simplify some code.
Expose it, and also use it in util.c where it wasn't
previously available.

Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250311122534.c5c3b4af9a74.Ib25cf60f634dc359961182113214e5cdc3504e9c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2025-03-11 12:25:34 +01:00
parent 80834e7d85
commit b5c1622762
3 changed files with 13 additions and 7 deletions
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11
include/net/cfg80211.h
View File

@ -1008,6 +1008,17 @@ cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1,
*/
int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width);
/**
* cfg80211_chandef_get_width - return chandef width in MHz
* @c: chandef to return bandwidth for
* Return: channel width in MHz for the given chandef; note that it returns
* 80 for 80+80 configurations
*/
static inline int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
{
return nl80211_chan_width_to_mhz(c->width);
}
/**
* cfg80211_chandef_valid - check if a channel definition is valid
* @chandef: the channel definition to check

5
net/wireless/chan.c
View File

@ -55,11 +55,6 @@ void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
}
EXPORT_SYMBOL(cfg80211_chandef_create);
static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
{
return nl80211_chan_width_to_mhz(c->width);
}
static u32 cfg80211_get_start_freq(const struct cfg80211_chan_def *chandef,
u32 cf)
{

4
net/wireless/util.c
View File

@ -5,7 +5,7 @@
* Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2017 Intel Deutschland GmbH
* Copyright (C) 2018-2023 Intel Corporation
* Copyright (C) 2018-2023, 2025 Intel Corporation
*/
#include <linux/export.h>
#include <linux/bitops.h>
@ -2908,7 +2908,7 @@ bool cfg80211_radio_chandef_valid(const struct wiphy_radio *radio,
u32 freq, width;
freq = ieee80211_chandef_to_khz(chandef);
width = nl80211_chan_width_to_mhz(chandef->width);
width = cfg80211_chandef_get_width(chandef);
if (!ieee80211_radio_freq_range_valid(radio, freq, width))
return false;