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From:   Vasanthakumar Thiagarajan <quic_vthiagar@quicinc.com>
To:     <johannes@sipsolutions.net>
CC:     <linux-wireless@vger.kernel.org>
Subject: [RFC 1/2] wifi: mac80211: add a new field in ieee80211_rx_status for link id
Date:   Tue, 2 Aug 2022 12:20:18 +0530
Message-ID: <20220802065019.20791-2-quic_vthiagar@quicinc.com>
In-Reply-To: <20220802065019.20791-1-quic_vthiagar@quicinc.com>
References: <20220802065019.20791-1-quic_vthiagar@quicinc.com>
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In MLO, when the address translation from link to MLD is done
in fw/hw, it is necessary to be able to have some information
on the link on which the frame has been received. Extend the
rx API to include link_id in ieee80211_rx_status.

Signed-off-by: Vasanthakumar Thiagarajan <quic_vthiagar@quicinc.com>
---
 include/net/mac80211.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f198af600b5e..23bc34657b16 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1480,6 +1480,9 @@ enum mac80211_rx_encoding {
  *	each A-MPDU but the same for each subframe within one A-MPDU
  * @ampdu_delimiter_crc: A-MPDU delimiter CRC
  * @zero_length_psdu_type: radiotap type of the 0-length PSDU
+ * @link_id: id of the link used to receive the packet. Applicable only with
+ *	MLO connection, valid link ids are in 0-14, link_id 15 means either the
+ *	link id is not known or it is a non-MLO connection.
  */
 struct ieee80211_rx_status {
 	u64 mactime;
@@ -1504,6 +1507,7 @@ struct ieee80211_rx_status {
 	s8 chain_signal[IEEE80211_MAX_CHAINS];
 	u8 ampdu_delimiter_crc;
 	u8 zero_length_psdu_type;
+	u8 link_id;
 };
 
 static inline u32
-- 
2.17.1