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-rw-r--r--net/dsa/dsa.c12
-rw-r--r--net/dsa/tag_dsa.c17
2 files changed, 27 insertions, 2 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index df75481b12ed..f4ce3c5826a0 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -219,11 +219,21 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev,
}
skb = nskb;
- p = netdev_priv(skb->dev);
skb_push(skb, ETH_HLEN);
skb->pkt_type = PACKET_HOST;
skb->protocol = eth_type_trans(skb, skb->dev);
+ if (unlikely(!dsa_slave_dev_check(skb->dev))) {
+ /* Packet is to be injected directly on an upper
+ * device, e.g. a team/bond, so skip all DSA-port
+ * specific actions.
+ */
+ netif_rx(skb);
+ return 0;
+ }
+
+ p = netdev_priv(skb->dev);
+
if (unlikely(cpu_dp->ds->untag_bridge_pvid)) {
nskb = dsa_untag_bridge_pvid(skb);
if (!nskb) {
diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
index 112c7c6dd568..7e7b7decdf39 100644
--- a/net/dsa/tag_dsa.c
+++ b/net/dsa/tag_dsa.c
@@ -163,6 +163,7 @@ static struct sk_buff *dsa_rcv_ll(struct sk_buff *skb, struct net_device *dev,
u8 extra)
{
int source_device, source_port;
+ bool trunk = false;
enum dsa_code code;
enum dsa_cmd cmd;
u8 *dsa_header;
@@ -174,6 +175,8 @@ static struct sk_buff *dsa_rcv_ll(struct sk_buff *skb, struct net_device *dev,
switch (cmd) {
case DSA_CMD_FORWARD:
skb->offload_fwd_mark = 1;
+
+ trunk = !!(dsa_header[1] & 7);
break;
case DSA_CMD_TO_CPU:
@@ -216,7 +219,19 @@ static struct sk_buff *dsa_rcv_ll(struct sk_buff *skb, struct net_device *dev,
source_device = dsa_header[0] & 0x1f;
source_port = (dsa_header[1] >> 3) & 0x1f;
- skb->dev = dsa_master_find_slave(dev, source_device, source_port);
+ if (trunk) {
+ struct dsa_port *cpu_dp = dev->dsa_ptr;
+
+ /* The exact source port is not available in the tag,
+ * so we inject the frame directly on the upper
+ * team/bond.
+ */
+ skb->dev = dsa_lag_dev(cpu_dp->dst, source_port);
+ } else {
+ skb->dev = dsa_master_find_slave(dev, source_device,
+ source_port);
+ }
+
if (!skb->dev)
return NULL;