qtnfmac: signal that all packets coming from device are already flooded

Firmware floods all packets that need to be flooded (multicast, broadcast,
unknown unicast) as required. Tell kernel bridge subsystem it does not
need to flood packet itself by marking each incoming frame
with skb->offload_fwd_mark flag.

Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Igor Mitsyanko 2019-11-18 08:23:12 +00:00 committed by Kalle Valo
parent 4e14e76cee
commit 1db359946b
2 changed files with 27 additions and 0 deletions

View File

@ -12,6 +12,7 @@
#include "cfg80211.h"
#include "event.h"
#include "util.h"
#include "switchdev.h"
#define QTNF_DMP_MAX_LEN 48
#define QTNF_PRIMARY_VIF_IDX 0
@ -866,6 +867,8 @@ struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb)
}
__skb_trim(skb, skb->len - sizeof(*meta));
/* Firmware always handles packets that require flooding */
qtnfmac_switch_mark_skb_flooded(skb);
out:
return ndev;

View File

@ -0,0 +1,24 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2019 Quantenna Communications. All rights reserved. */
#ifndef QTNFMAC_SWITCHDEV_H_
#define QTNFMAC_SWITCHDEV_H_
#include <linux/skbuff.h>
#ifdef CONFIG_NET_SWITCHDEV
static inline void qtnfmac_switch_mark_skb_flooded(struct sk_buff *skb)
{
skb->offload_fwd_mark = 1;
}
#else
static inline void qtnfmac_switch_mark_skb_flooded(struct sk_buff *skb)
{
}
#endif
#endif /* QTNFMAC_SWITCHDEV_H_ */