From e2fe097424fb169dfe01421ff17b8ccd0c26b4a6 Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Thu, 26 Nov 2020 08:37:27 +0000 Subject: fib: Source Address Selection Type: feature Use the FIB to provide SAS (in so far as it is today) - Use the glean adjacency as the record of the connected prefixes = there's a glean per-{interface, protocol, connected-prefix} - Keep the glean up to date with whatever the recieve host prefix is (since it can change) Signed-off-by: Neale Ranns Change-Id: I0f3dd1edb1f3fc965af1c7c586709028eb9cdeac --- src/vnet/fib/fib_types.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'src/vnet/fib/fib_types.h') diff --git a/src/vnet/fib/fib_types.h b/src/vnet/fib/fib_types.h index 832092c5679..b5a58e7b674 100644 --- a/src/vnet/fib/fib_types.h +++ b/src/vnet/fib/fib_types.h @@ -266,6 +266,13 @@ extern int fib_prefix_is_cover(const fib_prefix_t *p1, extern int fib_prefix_is_host(const fib_prefix_t *p); extern u8 fib_prefix_get_host_length (fib_protocol_t proto); +/** + * normalise a prefix (i.e. mask the host bits according to the + * prefix length) + */ +extern void fib_prefix_normalize(const fib_prefix_t *p, + fib_prefix_t *out); + /** * \brief Host prefix from ip */ @@ -393,6 +400,10 @@ typedef enum fib_route_path_flags_t_ * Pop a Psuedo Wire Control Word */ FIB_ROUTE_PATH_POP_PW_CW = (1 << 18), + /** + * A path that resolves via a glean adjacency + */ + FIB_ROUTE_PATH_GLEAN = (1 << 19), } fib_route_path_flags_t; /** @@ -520,6 +531,11 @@ typedef struct fib_route_path_t_ { * Present in an mfib path list */ index_t frp_bier_imp; + + /** + * Glean prefix on a glean path + */ + fib_prefix_t frp_connected; }; /** -- cgit 1.2.3-korg