diff options
Diffstat (limited to 'net/core/flow_dissector.c')
| -rw-r--r-- | net/core/flow_dissector.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 7ddc0a7b3da5..77e22e4fc898 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -15,6 +15,7 @@ #include <linux/ppp_defs.h> #include <linux/stddef.h> #include <linux/if_ether.h> +#include <linux/mpls.h> #include <net/flow_dissector.h> #include <scsi/fc/fc_fcoe.h> @@ -288,6 +289,37 @@ ipv6: } return true; } + + case htons(ETH_P_MPLS_UC): + case htons(ETH_P_MPLS_MC): { + struct mpls_label *hdr, _hdr[2]; +mpls: + hdr = __skb_header_pointer(skb, nhoff, sizeof(_hdr), data, + hlen, &_hdr); + if (!hdr) + return false; + + if ((ntohl(hdr[0].entry) & MPLS_LS_LABEL_MASK) == + MPLS_LABEL_ENTROPY) { + if (skb_flow_dissector_uses_key(flow_dissector, + FLOW_DISSECTOR_KEY_MPLS_ENTROPY)) { + key_keyid = skb_flow_dissector_target(flow_dissector, + FLOW_DISSECTOR_KEY_MPLS_ENTROPY, + target_container); + key_keyid->keyid = hdr[1].entry & + htonl(MPLS_LS_LABEL_MASK); + } + + key_basic->n_proto = proto; + key_basic->ip_proto = ip_proto; + key_control->thoff = (u16)nhoff; + + return true; + } + + return true; + } + case htons(ETH_P_FCOE): key_control->thoff = (u16)(nhoff + FCOE_HEADER_LEN); /* fall through */ @@ -357,6 +389,9 @@ ipv6: case IPPROTO_IPV6: proto = htons(ETH_P_IPV6); goto ipv6; + case IPPROTO_MPLS: + proto = htons(ETH_P_MPLS_UC); + goto mpls; default: break; } |