Re: [PATCH wireless-next v2 1/4] wifi: nl80211: rename PROBE_CLIENT to PROBE_PEER and add STA-side probing support

[Johannes Berg <johannes@sipsolutions.net>]

On Fri, 2026-04-17 at 19:01 +0530, Priyansha Tiwari wrote:
> From: Priyansha Tiwari <priyansha.tiwari@oss.qualcomm.com>
> 
> Rename NL80211_CMD_PROBE_CLIENT to NL80211_CMD_PROBE_PEER to generalize
> peer probing, AP/GO continue to probe associated STAs (legacy PROBE_CLIENT
> behavior) while, when the driver advertises NL80211_EXT_FEATURE_PROBE_AP,
> a STA/P2P-client may probe its currently associated AP to quickly verify link
> responsiveness without waiting for traffic or long timeouts.
> 
> Userspace and cfg80211 rely on this feature flag to determine whether
> STA-mode probing is supported. The command returns a cookie in the direct
> reply and delivers an event that indicates ACK (and, if available,
> signed-dBm ACK_SIGNAL).
> 
> For MLO connections the event carries MLO_LINK_ID identifying the link on
> which the probe was ACKed. In AP/GO mode the peer MAC is required, while in
> STA/P2P-client mode the MAC is omitted (AP implied).
> NL80211_CMD_PROBE_CLIENT is retained as a compatibility alias.

This doesn't actually do what the subject says. You also don't need to
describe the existing behaviour like MLO stuff.

johannes