diff options
Diffstat (limited to 'src/vnet/tunnel/tunnel.h')
| -rw-r--r-- | src/vnet/tunnel/tunnel.h | 89 |
1 files changed, 76 insertions, 13 deletions
diff --git a/src/vnet/tunnel/tunnel.h b/src/vnet/tunnel/tunnel.h index de06b6002f5..acf0e4ca4e0 100644 --- a/src/vnet/tunnel/tunnel.h +++ b/src/vnet/tunnel/tunnel.h @@ -18,7 +18,8 @@ #ifndef __TUNNEL_H__ #define __TUNNEL_H__ -#include <vlib/vlib.h> +#include <vnet/ip/ip_types.h> +#include <vnet/fib/fib_node.h> #define foreach_tunnel_mode \ _(P2P, "point-to-point") \ @@ -37,28 +38,90 @@ extern uword unformat_tunnel_mode (unformat_input_t * input, va_list * args); /** * Keep these idenitical to those in ipip.api */ -#define forech_tunnel_encap_decap_flag \ - _(NONE, "none", 0x0) \ - _(ENCAP_COPY_DF, "encap-copy-df", 0x1) \ - _(ENCAP_SET_DF, "encap-set-df", 0x2) \ - _(ENCAP_COPY_DSCP, "encap-copy-dscp", 0x4) \ - _(ENCAP_COPY_ECN, "encap-copy-ecn", 0x8) \ - _(DECAP_COPY_ECN, "decap-copy-ecn", 0x10) \ - _(ENCAP_INNER_HASH, "encap-inner-hash", 0x20) +#define foreach_tunnel_encap_decap_flag \ + _ (NONE, "none", 0x0) \ + _ (ENCAP_COPY_DF, "encap-copy-df", 0x1) \ + _ (ENCAP_SET_DF, "encap-set-df", 0x2) \ + _ (ENCAP_COPY_DSCP, "encap-copy-dscp", 0x4) \ + _ (ENCAP_COPY_ECN, "encap-copy-ecn", 0x8) \ + _ (DECAP_COPY_ECN, "decap-copy-ecn", 0x10) \ + _ (ENCAP_INNER_HASH, "encap-inner-hash", 0x20) \ + _ (ENCAP_COPY_HOP_LIMIT, "encap-copy-hop-limit", 0x40) \ + _ (ENCAP_COPY_FLOW_LABEL, "encap-copy-flow-label", 0x80) typedef enum tunnel_encap_decap_flags_t_ { #define _(a,b,c) TUNNEL_ENCAP_DECAP_FLAG_##a = c, - forech_tunnel_encap_decap_flag + foreach_tunnel_encap_decap_flag #undef _ } __clib_packed tunnel_encap_decap_flags_t; -#define TUNNEL_FLAG_MASK (0x1f) +extern const u8 TUNNEL_ENCAP_DECAP_FLAG_MASK; extern u8 *format_tunnel_encap_decap_flags (u8 * s, va_list * args); -extern uword -unformat_tunnel_encap_decap_flags (unformat_input_t * input, va_list * args); +extern uword unformat_tunnel_encap_decap_flags (unformat_input_t *input, + va_list *args); + +#define foreach_tunnel_flag \ + _ (RESOLVED, 0, "resolved") \ + _ (TRACK_MTU, 1, "track-mtu") + +typedef enum tunnel_flags_t_ +{ + TUNNEL_FLAG_NONE = 0, +#define _(n, b, s) TUNNEL_FLAG_##n = (1 << b), + foreach_tunnel_flag +#undef _ +} __clib_packed tunnel_flags_t; + +extern const u8 TUNNEL_FLAG_MASK; + +extern u8 *format_tunnel_flags (u8 *s, va_list *args); +extern uword unformat_tunnel_flags (unformat_input_t *input, va_list *args); + +/** + * A representation of an IP tunnel config + */ +typedef struct tunnel_t_ +{ + ip_address_t t_src; + ip_address_t t_dst; + tunnel_encap_decap_flags_t t_encap_decap_flags; + tunnel_flags_t t_flags; + tunnel_mode_t t_mode; + u32 t_table_id; + ip_dscp_t t_dscp; + u8 t_hop_limit; + + /** + * derived data + */ + u32 t_fib_index; + + fib_node_index_t t_fib_entry_index; + u32 t_sibling; + +} tunnel_t; + +extern u8 *format_tunnel (u8 *s, va_list *args); +extern uword unformat_tunnel (unformat_input_t *input, va_list *args); + +extern void tunnel_copy (const tunnel_t *src, tunnel_t *dst); +extern int tunnel_resolve (tunnel_t *t, fib_node_type_t child_type, + index_t child_index); +extern void tunnel_unresolve (tunnel_t *t); + +extern ip_address_family_t tunnel_get_af (const tunnel_t *t); + +extern void tunnel_contribute_forwarding (const tunnel_t *t, dpo_id_t *dpo); + +extern void tunnel_build_v6_hdr (const tunnel_t *t, ip_protocol_t next_proto, + ip6_header_t *ip); +extern void tunnel_build_v4_hdr (const tunnel_t *t, ip_protocol_t next_proto, + ip4_header_t *ip); + #endif + /* * fd.io coding-style-patch-verification: ON * |