diff options
Diffstat (limited to 'src/vnet/ip')
| -rw-r--r-- | src/vnet/ip/ip6.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/vnet/ip/ip6.h b/src/vnet/ip/ip6.h index 94c5080a0aa..28b1af749f6 100644 --- a/src/vnet/ip/ip6.h +++ b/src/vnet/ip/ip6.h @@ -655,21 +655,23 @@ void ip6_hbh_set_next_override (uword next); * @param src - source IP * @param dst - destination IP * @param prot - payload proto + * @param flow_label - flow label * * @return - pointer to start of IP header */ always_inline void * -vlib_buffer_push_ip6 (vlib_main_t * vm, vlib_buffer_t * b, - ip6_address_t * src, ip6_address_t * dst, int proto) +vlib_buffer_push_ip6_custom (vlib_main_t * vm, vlib_buffer_t * b, + ip6_address_t * src, ip6_address_t * dst, + int proto, u32 flow_label) { ip6_header_t *ip6h; u16 payload_length; /* make some room */ ip6h = vlib_buffer_push_uninit (b, sizeof (ip6_header_t)); - + ASSERT (flow_label < 1 << 20); ip6h->ip_version_traffic_class_and_flow_label = - clib_host_to_net_u32 (0x6 << 28); + clib_host_to_net_u32 ((0x6 << 28) | flow_label); /* calculate ip6 payload length */ payload_length = vlib_buffer_length_in_chain (vm, b); @@ -689,6 +691,25 @@ vlib_buffer_push_ip6 (vlib_main_t * vm, vlib_buffer_t * b, return ip6h; } +/** + * Push IPv6 header to buffer + * + * @param vm - vlib_main + * @param b - buffer to write the header to + * @param src - source IP + * @param dst - destination IP + * @param prot - payload proto + * + * @return - pointer to start of IP header + */ +always_inline void * +vlib_buffer_push_ip6 (vlib_main_t * vm, vlib_buffer_t * b, + ip6_address_t * src, ip6_address_t * dst, int proto) +{ + return vlib_buffer_push_ip6_custom (vm, b, src, dst, proto, + 0 /* flow label */ ); + +} #endif /* included_ip_ip6_h */ /* |