[PATCH 3/4] iw: add multicast rates to IBSS join

[Bruno Randolf <br1@einfach.org>]

Add multicast rates to IBSS join command.

This patch comes from OpenWRT. Original author: Felix Fietkau.

Cc: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Bruno Randolf <br1@einfach.org>
---
 ibss.c |   21 ++++++++++++++++++---
 1 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/ibss.c b/ibss.c
index 84ea7f2..ca8a4ec 100644
--- a/ibss.c
+++ b/ibss.c
@@ -95,6 +95,20 @@ static int join_ibss(struct nl80211_state *state,
 		argc--;
 	}
 
+	/* multicast rate */
+	if (argc > 1 && strcmp(argv[0], "mcast-rate") == 0) {
+		argv++;
+		argc--;
+
+		rate = strtod(argv[0], &end);
+		if (*end != '\0')
+			return 1;
+
+		NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, (int) rate * 10);
+		argv++;
+		argc--;
+	}
+
 	if (!argc)
 		return 0;
 
@@ -120,12 +134,13 @@ COMMAND(ibss, leave, NULL,
 	NL80211_CMD_LEAVE_IBSS, 0, CIB_NETDEV, leave_ibss,
 	"Leave the current IBSS cell.");
 COMMAND(ibss, join,
-	"<SSID> <freq in MHz> [fixed-freq] [<fixed bssid>] [beacon-interval "
-	"<TU>] [basic-rates <rate in Mbps,rate2,...>] [key d:0:abcde]",
+	"<SSID> <freq in MHz> [fixed-freq] [<fixed bssid>] [beacon-interval <TU>]"
+	" [basic-rates <rate in Mbps,rate2,...>] [mcast-rate <rate in Mbps>] "
+	"[key d:0:abcde]",
 	NL80211_CMD_JOIN_IBSS, 0, CIB_NETDEV, join_ibss,
 	"Join the IBSS cell with the given SSID, if it doesn't exist create\n"
 	"it on the given frequency. When fixed frequency is requested, don't\n"
 	"join/create a cell on a different frequency. When a fixed BSSID is\n"
 	"requested use that BSSID and do not adopt another cell's BSSID even\n"
 	"if it has higher TSF and the same SSID. If an IBSS is created, create\n"
-	"it with the specified basic-rates and beacon-interval (in TU).");
+	"it with the specified basic-rates, multicast-rate and beacon-interval.");