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From: Felix Fietkau <nbd@nbd.name>
To: linux-wireless@vger.kernel.org
Cc: johannes@sipsolutions.net,
	quic_adisi@quicinc.com,
	quic_periyasa@quicinc.com,
	ath12k@lists.infradead.org
Subject: [RFC v4 6/9] wifi: mac80211: add radio index to ieee80211_chanctx_conf
Date: Fri,  7 Jun 2024 18:05:45 +0200
Message-ID: <6a568ace507286c97a60e2f7cb809c0a31f18ecf.1717776325.git-series.nbd@nbd.name>
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Will be used to explicitly assign a channel context to a wiphy radio.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 include/net/mac80211.h | 2 ++
 net/mac80211/chan.c    | 8 +++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index ecfa65ade226..98394970c991 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -250,6 +250,7 @@ struct ieee80211_chan_req {
  * @min_def: the minimum channel definition currently required.
  * @ap: the channel definition the AP actually is operating as,
  *	for use with (wider bandwidth) OFDMA
+ * @radio_idx: index of the wiphy radio used used for this channel
  * @rx_chains_static: The number of RX chains that must always be
  *	active on the channel to receive MIMO transmissions
  * @rx_chains_dynamic: The number of RX chains that must be enabled
@@ -264,6 +265,7 @@ struct ieee80211_chanctx_conf {
 	struct cfg80211_chan_def min_def;
 	struct cfg80211_chan_def ap;
 
+	int radio_idx;
 	u8 rx_chains_static, rx_chains_dynamic;
 
 	bool radar_enabled;
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index ec16d7676088..574ae961a7cf 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -638,7 +638,8 @@ ieee80211_chanctx_radar_required(struct ieee80211_local *local,
 static struct ieee80211_chanctx *
 ieee80211_alloc_chanctx(struct ieee80211_local *local,
 			const struct ieee80211_chan_req *chanreq,
-			enum ieee80211_chanctx_mode mode)
+			enum ieee80211_chanctx_mode mode,
+			int radio_idx)
 {
 	struct ieee80211_chanctx *ctx;
 
@@ -656,6 +657,7 @@ ieee80211_alloc_chanctx(struct ieee80211_local *local,
 	ctx->conf.rx_chains_dynamic = 1;
 	ctx->mode = mode;
 	ctx->conf.radar_enabled = false;
+	ctx->conf.radio_idx = radio_idx;
 	_ieee80211_recalc_chanctx_min_def(local, ctx, NULL);
 
 	return ctx;
@@ -696,7 +698,7 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
 
 	lockdep_assert_wiphy(local->hw.wiphy);
 
-	ctx = ieee80211_alloc_chanctx(local, chanreq, mode);
+	ctx = ieee80211_alloc_chanctx(local, chanreq, mode, -1);
 	if (!ctx)
 		return ERR_PTR(-ENOMEM);
 
@@ -1126,7 +1128,7 @@ int ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link,
 			    !list_empty(&curr_ctx->reserved_links))
 				return -EBUSY;
 
-			new_ctx = ieee80211_alloc_chanctx(local, chanreq, mode);
+			new_ctx = ieee80211_alloc_chanctx(local, chanreq, mode, -1);
 			if (!new_ctx)
 				return -ENOMEM;
 
-- 
git-series 0.9.1