- if (mp->mr_next_hop_proto == DPO_PROTO_IP4)
- {
- ip4_address_t ip4_null = {.as_u32 = 0, };
- if (memcmp (mp->mr_next_hop, &ip4_null, sizeof (ip4_null)))
- s = format (s, "via %U ", format_ip4_address, mp->mr_next_hop);
- else
- s = format (s, "via lookup-in-ip4-table %d ",
- ntohl (mp->mr_next_hop_table_id));
- }
- else if (mp->mr_next_hop_proto == DPO_PROTO_IP6)
- {
- ip6_address_t ip6_null = { {0}
- };
- if (memcmp (mp->mr_next_hop, &ip6_null, sizeof (ip6_null)))
- s = format (s, "via %U ", format_ip6_address, mp->mr_next_hop);
- else
- s = format (s, "via lookup-in-ip6-table %d ",
- ntohl (mp->mr_next_hop_table_id));
- }
- else if (mp->mr_next_hop_proto == DPO_PROTO_ETHERNET)
- {
- s = format (s, "via l2-input-on ");
- }
- else if (mp->mr_next_hop_proto == DPO_PROTO_MPLS)
- {
- if (mp->mr_next_hop_via_label != htonl (MPLS_LABEL_INVALID))
- s =
- format (s, "via via-label %d ", ntohl (mp->mr_next_hop_via_label));
- else
- s = format (s, "via next-hop-table %d ",
- ntohl (mp->mr_next_hop_table_id));
- }
- if (mp->mr_next_hop_sw_if_index != ~0)
- s = format (s, "sw_if_index %d ", ntohl (mp->mr_next_hop_sw_if_index));
-
- if (mp->mr_next_hop_weight != 1)
- s = format (s, "weight %d ", (u32) mp->mr_next_hop_weight);
-
- if (mp->mr_is_multipath)
- s = format (s, "multipath ");