@@ -432,6 +432,11 @@ enum {
TCA_FLOWER_KEY_ARP_THA, /* ETH_ALEN */
TCA_FLOWER_KEY_ARP_THA_MASK, /* ETH_ALEN */
+ TCA_FLOWER_KEY_MPLS_TTL, /* u8 - 8 bits */
+ TCA_FLOWER_KEY_MPLS_BOS, /* u8 - 1 bit */
+ TCA_FLOWER_KEY_MPLS_TC, /* u8 - 3 bits */
+ TCA_FLOWER_KEY_MPLS_LABEL, /* be32 - 20 bits */
+
__TCA_FLOWER_MAX,
};
@@ -29,6 +29,14 @@ flower \- flow based traffic control filter
.IR PRIORITY " | "
.BR vlan_ethtype " { " ipv4 " | " ipv6 " | "
.IR ETH_TYPE " } | "
+.B mpls_label
+.IR LABEL " | "
+.B mpls_tc
+.IR TC " | "
+.B mpls_bos
+.IR BOS " | "
+.B mpls_ttl
+.IR TTL " | "
.BR ip_proto " { " tcp " | " udp " | " sctp " | " icmp " | " icmpv6 " | "
.IR IP_PROTO " } | { "
.BR dst_ip " | " src_ip " } "
@@ -113,6 +121,27 @@ may be either
.BR ipv4 ", " ipv6
or an unsigned 16bit value in hexadecimal format.
.TP
+.BI mpls_label " LABEL"
+Match the outermost MPLS label id in an MPLS packet.
+.I LABEL
+is an unsigned 20 bit value in decimal format.
+.TP
+.BI mpls_tc " TC"
+Match on the MPLS TC field, which is typically used for packet priority.
+.I TC
+is an unsigned 3 bit value in decimal format.
+.TP
+.BI mpls_bos " BOS"
+Match on the MPLS Bottom Of Stack field in the outermost MPLS label.
+.I BOS
+is a 1 bit value.
+.TP
+.BI mpls_ttl " TTL"
+Match on the MPLS Time To Live field.
+.I TTL
+is an unsigned 8 bit value which matches the MPLS TTL field in the outermost
+label.
+.TP
.BI ip_proto " IP_PROTO"
Match on layer four protocol.
.I IP_PROTO
@@ -19,6 +19,7 @@
#include <linux/if_ether.h>
#include <linux/ip.h>
#include <linux/tc_act/tc_vlan.h>
+#include <linux/mpls.h>
#include "utils.h"
#include "tc_util.h"
@@ -53,6 +54,10 @@ static void explain(void)
" dst_mac MASKED-LLADDR |\n"
" src_mac MASKED-LLADDR |\n"
" ip_proto [tcp | udp | sctp | icmp | icmpv6 | IP-PROTO ] |\n"
+ " mpls_label LABEL |\n"
+ " mpls_tc TC |\n"
+ " mpls_bos BOS |\n"
+ " mpls_ttl TTL |\n"
" dst_ip PREFIX |\n"
" src_ip PREFIX |\n"
" dst_port PORT-NUMBER |\n"
@@ -599,6 +604,70 @@ static int flower_parse_opt(struct filter_util *qu, char *handle,
&vlan_ethtype, n);
if (ret < 0)
return -1;
+ } else if (matches(*argv, "mpls_label") == 0) {
+ __u32 label;
+
+ NEXT_ARG();
+ if (eth_type != htons(ETH_P_MPLS_UC) &&
+ eth_type != htons(ETH_P_MPLS_MC)) {
+ fprintf(stderr,
+ "Can't set \"mpls_label\" if ethertype isn't MPLS\n");
+ return -1;
+ }
+ ret = get_u32(&label, *argv, 10);
+ if (ret < 0 || label & ~(MPLS_LS_LABEL_MASK >> MPLS_LS_LABEL_SHIFT)) {
+ fprintf(stderr, "Illegal \"mpls_label\"\n");
+ return -1;
+ }
+ addattr32(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_LABEL, label);
+ } else if (matches(*argv, "mpls_tc") == 0) {
+ __u8 tc;
+
+ NEXT_ARG();
+ if (eth_type != htons(ETH_P_MPLS_UC) &&
+ eth_type != htons(ETH_P_MPLS_MC)) {
+ fprintf(stderr,
+ "Can't set \"mpls_tc\" if ethertype isn't MPLS\n");
+ return -1;
+ }
+ ret = get_u8(&tc, *argv, 10);
+ if (ret < 0 || tc & ~(MPLS_LS_TC_MASK >> MPLS_LS_TC_SHIFT)) {
+ fprintf(stderr, "Illegal \"mpls_tc\"\n");
+ return -1;
+ }
+ addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_TC, tc);
+ } else if (matches(*argv, "mpls_bos") == 0) {
+ __u8 bos;
+
+ NEXT_ARG();
+ if (eth_type != htons(ETH_P_MPLS_UC) &&
+ eth_type != htons(ETH_P_MPLS_MC)) {
+ fprintf(stderr,
+ "Can't set \"mpls_bos\" if ethertype isn't MPLS\n");
+ return -1;
+ }
+ ret = get_u8(&bos, *argv, 10);
+ if (ret < 0 || bos & ~(MPLS_LS_S_MASK >> MPLS_LS_S_SHIFT)) {
+ fprintf(stderr, "Illegal \"mpls_bos\"\n");
+ return -1;
+ }
+ addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_BOS, bos);
+ } else if (matches(*argv, "mpls_ttl") == 0) {
+ __u8 ttl;
+
+ NEXT_ARG();
+ if (eth_type != htons(ETH_P_MPLS_UC) &&
+ eth_type != htons(ETH_P_MPLS_MC)) {
+ fprintf(stderr,
+ "Can't set \"mpls_ttl\" if ethertype isn't MPLS\n");
+ return -1;
+ }
+ ret = get_u8(&ttl, *argv, 10);
+ if (ret < 0 || ttl & ~(MPLS_LS_TTL_MASK >> MPLS_LS_TTL_SHIFT)) {
+ fprintf(stderr, "Illegal \"mpls_ttl\"\n");
+ return -1;
+ }
+ addattr8(n, MAX_MSG, TCA_FLOWER_KEY_MPLS_TTL, ttl);
} else if (matches(*argv, "dst_mac") == 0) {
NEXT_ARG();
ret = flower_parse_eth_addr(*argv,