diff options
Diffstat (limited to 'net/core/flow_dissector.c')
-rw-r--r-- | net/core/flow_dissector.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 0cc672aba1f0..5b5be9577257 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -4,6 +4,7 @@ #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/if_vlan.h> +#include <net/dsa.h> #include <net/ip.h> #include <net/ipv6.h> #include <net/gre.h> @@ -440,6 +441,17 @@ bool __skb_flow_dissect(const struct sk_buff *skb, skb->vlan_proto : skb->protocol; nhoff = skb_network_offset(skb); hlen = skb_headlen(skb); + if (unlikely(netdev_uses_dsa(skb->dev))) { + const struct dsa_device_ops *ops; + int offset; + + ops = skb->dev->dsa_ptr->tag_ops; + if (ops->flow_dissect && + !ops->flow_dissect(skb, &proto, &offset)) { + hlen -= offset; + nhoff += offset; + } + } } /* It is ensured by skb_flow_dissector_init() that control key will |