diff options
Diffstat (limited to 'vnet/vnet/fib/fib_node.h')
| -rw-r--r-- | vnet/vnet/fib/fib_node.h | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/vnet/vnet/fib/fib_node.h b/vnet/vnet/fib/fib_node.h index 791d63b9591..33f2203e170 100644 --- a/vnet/vnet/fib/fib_node.h +++ b/vnet/vnet/fib/fib_node.h @@ -98,20 +98,30 @@ typedef enum fib_node_back_walk_reason_t_ { */ FIB_NODE_BW_REASON_ADJ_UPDATE, /** + * Walk to update children to inform them the adjacency is now down. + */ + FIB_NODE_BW_REASON_ADJ_DOWN, + /** * Marker. Add new before and update */ - FIB_NODE_BW_REASON_LAST = FIB_NODE_BW_REASON_EVALUATE, + FIB_NODE_BW_REASON_LAST = FIB_NODE_BW_REASON_ADJ_DOWN, } fib_node_back_walk_reason_t; -#define FIB_NODE_BW_REASONS { \ - [FIB_NODE_BW_REASON_RESOLVE] = "resolve" \ - [FIB_NODE_BW_REASON_EVALUATE] = "evaluate" \ - [FIB_NODE_BW_REASON_INTERFACE_UP] = "if-up" \ - [FIB_NODE_BW_REASON_INTERFACE_DOWN] = "if-down" \ - [FIB_NODE_BW_REASON_INTERFACE_DELETE] = "if-delete" \ - [FIB_NODE_BW_REASON_ADJ_UPDATE] = "adj-update" \ +#define FIB_NODE_BW_REASONS { \ + [FIB_NODE_BW_REASON_RESOLVE] = "resolve", \ + [FIB_NODE_BW_REASON_EVALUATE] = "evaluate", \ + [FIB_NODE_BW_REASON_INTERFACE_UP] = "if-up", \ + [FIB_NODE_BW_REASON_INTERFACE_DOWN] = "if-down", \ + [FIB_NODE_BW_REASON_INTERFACE_DELETE] = "if-delete", \ + [FIB_NODE_BW_REASON_ADJ_UPDATE] = "adj-update", \ + [FIB_NODE_BW_REASON_ADJ_DOWN] = "adj-down", \ } +#define FOR_EACH_FIB_NODE_BW_REASON(_item) \ + for (_item = FIB_NODE_BW_REASON_FIRST; \ + _item <= FIB_NODE_BW_REASON_LAST; \ + _item++) + /** * Flags enum constructed from the reaons */ @@ -123,12 +133,24 @@ typedef enum fib_node_bw_reason_flag_t_ { FIB_NODE_BW_REASON_FLAG_INTERFACE_DOWN = (1 << FIB_NODE_BW_REASON_INTERFACE_DOWN), FIB_NODE_BW_REASON_FLAG_INTERFACE_DELETE = (1 << FIB_NODE_BW_REASON_INTERFACE_DELETE), FIB_NODE_BW_REASON_FLAG_ADJ_UPDATE = (1 << FIB_NODE_BW_REASON_ADJ_UPDATE), + FIB_NODE_BW_REASON_FLAG_ADJ_DOWN = (1 << FIB_NODE_BW_REASON_ADJ_DOWN), } __attribute__ ((packed)) fib_node_bw_reason_flag_t; STATIC_ASSERT(sizeof(fib_node_bw_reason_flag_t) < 2, "BW Reason enum < 2 byte. Consequences for cover_upd_res_t"); /** + * Flags on the walk + */ +typedef enum fib_node_bw_flags_t_ +{ + /** + * Force the walk to be synchronous + */ + FIB_NODE_BW_FLAG_FORCE_SYNC = (1 << 0), +} fib_node_bw_flags_t; + +/** * Forward eclarations */ struct fib_node_t_; @@ -166,6 +188,11 @@ typedef struct fib_node_back_walk_ctx_t_ { fib_node_bw_reason_flag_t fnbw_reason; /** + * additional flags for the walk + */ + fib_node_bw_flags_t fnbw_flags; + + /** * the number of levels the walk has already traversed. * this value is maintained by the walk infra, tp limit the depth of * a walk so it does not run indefinately the presence of a loop/cycle |