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wifi: cfg80211: Report per-radio RTS threshold to userspace

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In case of multi-radio wiphys, with per-radio RTS threshold brought
into use, RTS threshold for each radio in a wiphy can be recorded in
wiphy parameter - wiphy_radio_cfg, as an array. Add a new attribute -
NL80211_WIPHY_RADIO_ATTR_RTS_THRESHOLD in nested parameter -
NL80211_ATTR_WIPHY_RADIOS. When a request for getting RTS threshold
for a particular radio is received, parse the radio id and get the
required data. Add this data to the newly added nested attribute
NL80211_WIPHY_RADIO_ATTR_RTS_THRESHOLD. Add support to report this
data to userspace.

Signed-off-by: Roopni Devanathan <quic_rdevanat@quicinc.com>
Link: https://patch.msgid.link/20250615082312.619639-4-quic_rdevanat@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Roopni Devanathan 2025-06-15 13:53:11 +05:30 committed by Johannes Berg
parent 264637941c
commit 8959519005
2 changed files with 8 additions and 0 deletions
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2
include/uapi/linux/nl80211.h
View File

@ -8106,6 +8106,7 @@ enum nl80211_ap_settings_flags {
* and contains attributes defined in &enum nl80211_if_combination_attrs.
* @NL80211_WIPHY_RADIO_ATTR_ANTENNA_MASK: bitmask (u32) of antennas
* connected to this radio.
* @NL80211_WIPHY_RADIO_ATTR_RTS_THRESHOLD: RTS threshold (u32) of this radio.
*
* @__NL80211_WIPHY_RADIO_ATTR_LAST: Internal
* @NL80211_WIPHY_RADIO_ATTR_MAX: Highest attribute
@ -8117,6 +8118,7 @@ enum nl80211_wiphy_radio_attrs {
NL80211_WIPHY_RADIO_ATTR_FREQ_RANGE,
NL80211_WIPHY_RADIO_ATTR_INTERFACE_COMBINATION,
NL80211_WIPHY_RADIO_ATTR_ANTENNA_MASK,
NL80211_WIPHY_RADIO_ATTR_RTS_THRESHOLD,
/* keep last */
__NL80211_WIPHY_RADIO_ATTR_LAST,

6
net/wireless/nl80211.c
View File

@ -2447,6 +2447,7 @@ static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
static int nl80211_put_radio(struct wiphy *wiphy, struct sk_buff *msg, int idx)
{
const struct wiphy_radio *r = &wiphy->radio[idx];
const struct wiphy_radio_cfg *rcfg = &wiphy->radio_cfg[idx];
struct nlattr *radio, *freq;
int i;
@ -2457,6 +2458,11 @@ static int nl80211_put_radio(struct wiphy *wiphy, struct sk_buff *msg, int idx)
if (nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_INDEX, idx))
goto nla_put_failure;
if (rcfg->rts_threshold &&
nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_RTS_THRESHOLD,
rcfg->rts_threshold))
goto nla_put_failure;
if (r->antenna_mask &&
nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_ANTENNA_MASK,
r->antenna_mask))