diff options
| -rw-r--r-- | zebra/zebra_dplane.c | 31 | ||||
| -rw-r--r-- | zebra/zebra_dplane.h | 2 |
2 files changed, 33 insertions, 0 deletions
diff --git a/zebra/zebra_dplane.c b/zebra/zebra_dplane.c index 64383fc81c..7e7bf1410c 100644 --- a/zebra/zebra_dplane.c +++ b/zebra/zebra_dplane.c @@ -1149,6 +1149,37 @@ void dplane_ctx_set_nexthops(struct zebra_dplane_ctx *ctx, struct nexthop *nh) nexthop_group_copy_nh_sorted(&(ctx->u.rinfo.zd_ng), nh); } +/* + * Set the list of backup nexthops; their ordering is preserved (they're not + * re-sorted.) + */ +void dplane_ctx_set_backup_nhg(struct zebra_dplane_ctx *ctx, + const struct nexthop_group *nhg) +{ + struct nexthop *nh, *last_nh, *nexthop; + + DPLANE_CTX_VALID(ctx); + + if (ctx->u.rinfo.backup_ng.nexthop) { + nexthops_free(ctx->u.rinfo.backup_ng.nexthop); + ctx->u.rinfo.backup_ng.nexthop = NULL; + } + + last_nh = NULL; + + /* Be careful to preserve the order of the backup list */ + for (nh = nhg->nexthop; nh; nh = nh->next) { + nexthop = nexthop_dup(nh, NULL); + + if (last_nh) + NEXTHOP_APPEND(last_nh, nexthop); + else + ctx->u.rinfo.backup_ng.nexthop = nexthop; + + last_nh = nexthop; + } +} + uint32_t dplane_ctx_get_nhg_id(const struct zebra_dplane_ctx *ctx) { DPLANE_CTX_VALID(ctx); diff --git a/zebra/zebra_dplane.h b/zebra/zebra_dplane.h index 9e07231fea..2c3501a5b1 100644 --- a/zebra/zebra_dplane.h +++ b/zebra/zebra_dplane.h @@ -283,6 +283,8 @@ void dplane_ctx_set_distance(struct zebra_dplane_ctx *ctx, uint8_t distance); uint8_t dplane_ctx_get_old_distance(const struct zebra_dplane_ctx *ctx); void dplane_ctx_set_nexthops(struct zebra_dplane_ctx *ctx, struct nexthop *nh); +void dplane_ctx_set_backup_nhg(struct zebra_dplane_ctx *ctx, + const struct nexthop_group *nhg); uint32_t dplane_ctx_get_nhg_id(const struct zebra_dplane_ctx *ctx); const struct nexthop_group *dplane_ctx_get_ng( |