recipes-wifi/iw/patches-mlo/0009-iw-support-link-id-in-set-bitrates-command.patch

From e243763029729ced434bcf7de3c5f7909d481c41 Mon Sep 17 00:00:00 2001
From: Howard Hsu <howard-yh.hsu@mediatek.com>
Date: Thu, 30 May 2024 10:17:29 +0800
Subject: [PATCH 09/13] iw: support link id in set bitrates command

Since NL80211_CMD_SET_TX_BITRATE_MASK includes flag
NL80211_FLAG_MLO_VALID_LINK_ID, nl80211_pre_do_it() will check whether
nl80211_msg includes LINK_ID. Without this patch, iw set bitrates
command must failed.

Usage:
iw dev <intf> set bitrates -l <link_id> [legacy | he-gi-xx ...]

---
 bitrate.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/bitrate.c b/bitrate.c
index 8714669..f0f81a0 100644
--- a/bitrate.c
+++ b/bitrate.c
@@ -146,7 +146,7 @@ int set_bitrates(struct nl_msg *msg,
 		 enum nl80211_attrs attr)
 {
 	struct nlattr *nl_rates, *nl_band;
-	int i, ret = 0;
+	int i, ret = 0, index = 0;
 	bool have_legacy_24 = false, have_legacy_5 = false;
 	uint8_t legacy_24[32], legacy_5[32];
 	int n_legacy_24 = 0, n_legacy_5 = 0;
@@ -190,7 +190,22 @@ int set_bitrates(struct nl_msg *msg,
 		S_HE_LTF,
 	} parser_state = S_NONE;
 
-	for (i = 0; i < argc; i++) {
+	if (!strcmp(argv[0], "-l")) {
+		unsigned int link_id;
+		char *endptr;
+
+		link_id = strtol(argv[1], &endptr, 10);
+		if (*endptr)
+			return 1;
+
+		if (link_id > 15)
+			return 1;
+
+		nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id);
+		index = 2;
+	}
+
+	for (i = index; i < argc; i++) {
 		char *end;
 		double tmpd;
 		long tmpl;
-- 
2.18.0