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Diffstat (limited to 'zebra/zebra_dplane.c')
-rw-r--r--zebra/zebra_dplane.c89
1 files changed, 76 insertions, 13 deletions
diff --git a/zebra/zebra_dplane.c b/zebra/zebra_dplane.c
index e34b6f23ff..0cc7139d6b 100644
--- a/zebra/zebra_dplane.c
+++ b/zebra/zebra_dplane.c
@@ -204,6 +204,7 @@ struct dplane_ctx_rule {
/* Filter criteria */
uint32_t filter_bm;
uint32_t fwmark;
+ uint8_t dsfield;
struct prefix src_ip;
struct prefix dst_ip;
};
@@ -1676,6 +1677,20 @@ uint32_t dplane_ctx_rule_get_old_fwmark(const struct zebra_dplane_ctx *ctx)
return ctx->u.rule.old.fwmark;
}
+uint8_t dplane_ctx_rule_get_dsfield(const struct zebra_dplane_ctx *ctx)
+{
+ DPLANE_CTX_VALID(ctx);
+
+ return ctx->u.rule.new.dsfield;
+}
+
+uint8_t dplane_ctx_rule_get_old_dsfield(const struct zebra_dplane_ctx *ctx)
+{
+ DPLANE_CTX_VALID(ctx);
+
+ return ctx->u.rule.old.dsfield;
+}
+
const struct prefix *
dplane_ctx_rule_get_src_ip(const struct zebra_dplane_ctx *ctx)
{
@@ -2001,10 +2016,19 @@ int dplane_ctx_lsp_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
break;
}
- /* Need to copy flags too */
+ /* Need to copy flags and backup info too */
new_nhlfe->flags = nhlfe->flags;
new_nhlfe->nexthop->flags = nhlfe->nexthop->flags;
+ if (CHECK_FLAG(new_nhlfe->nexthop->flags,
+ NEXTHOP_FLAG_HAS_BACKUP)) {
+ new_nhlfe->nexthop->backup_num =
+ nhlfe->nexthop->backup_num;
+ memcpy(new_nhlfe->nexthop->backup_idx,
+ nhlfe->nexthop->backup_idx,
+ new_nhlfe->nexthop->backup_num);
+ }
+
if (nhlfe == lsp->best_nhlfe)
ctx->u.lsp.best_nhlfe = new_nhlfe;
}
@@ -2104,8 +2128,15 @@ static int dplane_ctx_pw_init(struct zebra_dplane_ctx *ctx,
if (re) {
nhg = rib_get_fib_nhg(re);
- copy_nexthops(&(ctx->u.pw.nhg.nexthop),
- nhg->nexthop, NULL);
+ if (nhg && nhg->nexthop)
+ copy_nexthops(&(ctx->u.pw.nhg.nexthop),
+ nhg->nexthop, NULL);
+
+ /* Include any installed backup nexthops */
+ nhg = rib_get_fib_backup_nhg(re);
+ if (nhg && nhg->nexthop)
+ copy_nexthops(&(ctx->u.pw.nhg.nexthop),
+ nhg->nexthop, NULL);
}
route_unlock_node(rn);
}
@@ -2129,6 +2160,7 @@ static void dplane_ctx_rule_init_single(struct dplane_ctx_rule *dplane_rule,
dplane_rule->filter_bm = rule->rule.filter.filter_bm;
dplane_rule->fwmark = rule->rule.filter.fwmark;
+ dplane_rule->dsfield = rule->rule.filter.dsfield;
prefix_copy(&(dplane_rule->dst_ip), &rule->rule.filter.dst_ip);
prefix_copy(&(dplane_rule->src_ip), &rule->rule.filter.src_ip);
}
@@ -2461,6 +2493,7 @@ dplane_route_notif_update(struct route_node *rn,
enum zebra_dplane_result ret = ZEBRA_DPLANE_REQUEST_FAILURE;
struct zebra_dplane_ctx *new_ctx = NULL;
struct nexthop *nexthop;
+ struct nexthop_group *nhg;
if (rn == NULL || re == NULL)
goto done;
@@ -2482,8 +2515,17 @@ dplane_route_notif_update(struct route_node *rn,
nexthops_free(new_ctx->u.rinfo.zd_ng.nexthop);
new_ctx->u.rinfo.zd_ng.nexthop = NULL;
- copy_nexthops(&(new_ctx->u.rinfo.zd_ng.nexthop),
- (rib_get_fib_nhg(re))->nexthop, NULL);
+ nhg = rib_get_fib_nhg(re);
+ if (nhg && nhg->nexthop)
+ copy_nexthops(&(new_ctx->u.rinfo.zd_ng.nexthop),
+ nhg->nexthop, NULL);
+
+ /* Check for installed backup nexthops also */
+ nhg = rib_get_fib_backup_nhg(re);
+ if (nhg && nhg->nexthop) {
+ copy_nexthops(&(new_ctx->u.rinfo.zd_ng.nexthop),
+ nhg->nexthop, NULL);
+ }
for (ALL_NEXTHOPS(new_ctx->u.rinfo.zd_ng, nexthop))
UNSET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB);
@@ -2583,6 +2625,8 @@ dplane_lsp_notif_update(zebra_lsp_t *lsp,
enum zebra_dplane_result result = ZEBRA_DPLANE_REQUEST_FAILURE;
int ret = EINVAL;
struct zebra_dplane_ctx *ctx = NULL;
+ struct nhlfe_list_head *head;
+ zebra_nhlfe_t *nhlfe, *new_nhlfe;
/* Obtain context block */
ctx = dplane_ctx_alloc();
@@ -2591,10 +2635,27 @@ dplane_lsp_notif_update(zebra_lsp_t *lsp,
goto done;
}
+ /* Copy info from zebra LSP */
ret = dplane_ctx_lsp_init(ctx, op, lsp);
if (ret != AOK)
goto done;
+ /* Add any installed backup nhlfes */
+ head = &(ctx->u.lsp.backup_nhlfe_list);
+ frr_each(nhlfe_list, head, nhlfe) {
+
+ if (CHECK_FLAG(nhlfe->flags, NHLFE_FLAG_INSTALLED) &&
+ CHECK_FLAG(nhlfe->nexthop->flags, NEXTHOP_FLAG_FIB)) {
+ new_nhlfe = zebra_mpls_lsp_add_nh(&(ctx->u.lsp),
+ nhlfe->type,
+ nhlfe->nexthop);
+
+ /* Need to copy flags too */
+ new_nhlfe->flags = nhlfe->flags;
+ new_nhlfe->nexthop->flags = nhlfe->nexthop->flags;
+ }
+ }
+
/* Capture info about the source of the notification */
dplane_ctx_set_notif_provider(
ctx,
@@ -3261,8 +3322,7 @@ int dplane_show_provs_helper(struct vty *vty, bool detailed)
out_max = atomic_load_explicit(&prov->dp_out_max,
memory_order_relaxed);
- vty_out(vty, "%s (%u): in: %"PRIu64", q_max: %"PRIu64", "
- "out: %"PRIu64", q_max: %"PRIu64"\n",
+ vty_out(vty, "%s (%u): in: %"PRIu64", q_max: %"PRIu64", out: %"PRIu64", q_max: %"PRIu64"\n",
prov->dp_name, prov->dp_id, in, in_max, out, out_max);
DPLANE_LOCK();
@@ -4003,19 +4063,19 @@ bool dplane_is_in_shutdown(void)
*/
void zebra_dplane_pre_finish(void)
{
- struct zebra_dplane_provider *dp;
+ struct zebra_dplane_provider *prov;
if (IS_ZEBRA_DEBUG_DPLANE)
- zlog_debug("Zebra dataplane pre-fini called");
+ zlog_debug("Zebra dataplane pre-finish called");
zdplane_info.dg_is_shutdown = true;
/* Notify provider(s) of pending shutdown. */
- TAILQ_FOREACH(dp, &zdplane_info.dg_providers_q, dp_prov_link) {
- if (dp->dp_fini == NULL)
+ TAILQ_FOREACH(prov, &zdplane_info.dg_providers_q, dp_prov_link) {
+ if (prov->dp_fini == NULL)
continue;
- dp->dp_fini(dp, true);
+ prov->dp_fini(prov, true /* early */);
}
}
@@ -4337,7 +4397,10 @@ void zebra_dplane_shutdown(void)
zdplane_info.dg_pthread = NULL;
zdplane_info.dg_master = NULL;
- /* Notify provider(s) of final shutdown. */
+ /* Notify provider(s) of final shutdown.
+ * Note that this call is in the main pthread, so providers must
+ * be prepared for that.
+ */
TAILQ_FOREACH(dp, &zdplane_info.dg_providers_q, dp_prov_link) {
if (dp->dp_fini == NULL)
continue;