netdev - [RFC net-next 7/8] net: dsa: tag_brcm: Indicate to master netdevice port + queue

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Message-Id: <1504138732-65383-8-git-send-email-f.fainelli@gmail.com>
Date:   Wed, 30 Aug 2017 17:18:51 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     jiri@...nulli.us, jhs@...atatu.com, davem@...emloft.net,
        xiyou.wangcong@...il.com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com,
        Florian Fainelli <f.fainelli@...il.com>
Subject: [RFC net-next 7/8] net: dsa: tag_brcm: Indicate to master netdevice port + queue

We need to tell the DSA master network device doing the actual
transmission what the desired switch port and queue number is for it to
resolve that to the internal transmit queue it is mapped to.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 net/dsa/tag_brcm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index dbb016434ace..19a617b09b3c 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -86,6 +86,11 @@ static struct sk_buff *brcm_tag_xmit(struct sk_buff *skb, struct net_device *dev
 		brcm_tag[2] = BRCM_IG_DSTMAP2_MASK;
 	brcm_tag[3] = (1 << p->dp->index) & BRCM_IG_DSTMAP1_MASK;
 
+	/* Now tell the master network device about the desired output queue
+	 * as well
+	 */
+	skb_set_queue_mapping(skb, p->dp->index << dev->num_tx_queues | queue);
+
 	return skb;
 }
 
-- 
1.9.1