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-rw-r--r--lib/nexthop.c31
1 files changed, 26 insertions, 5 deletions
diff --git a/lib/nexthop.c b/lib/nexthop.c
index 68ce81c293..0d239e091b 100644
--- a/lib/nexthop.c
+++ b/lib/nexthop.c
@@ -23,11 +23,9 @@
#include "table.h"
#include "memory.h"
#include "command.h"
-#include "if.h"
#include "log.h"
#include "sockunion.h"
#include "linklist.h"
-#include "thread.h"
#include "prefix.h"
#include "nexthop.h"
#include "mpls.h"
@@ -155,7 +153,24 @@ static int _nexthop_cmp_no_labels(const struct nexthop *next1,
}
ret = _nexthop_source_cmp(next1, next2);
+ if (ret != 0)
+ goto done;
+
+ if (!CHECK_FLAG(next1->flags, NEXTHOP_FLAG_HAS_BACKUP) &&
+ CHECK_FLAG(next2->flags, NEXTHOP_FLAG_HAS_BACKUP))
+ return -1;
+
+ if (CHECK_FLAG(next1->flags, NEXTHOP_FLAG_HAS_BACKUP) &&
+ !CHECK_FLAG(next2->flags, NEXTHOP_FLAG_HAS_BACKUP))
+ return 1;
+ if (next1->backup_idx < next2->backup_idx)
+ return -1;
+
+ if (next1->backup_idx > next2->backup_idx)
+ return 1;
+
+done:
return ret;
}
@@ -240,7 +255,7 @@ struct nexthop *nexthop_new(void)
* The linux kernel does some weird stuff with adding +1 to
* all nexthop weights it gets over netlink.
* To handle this, just default everything to 1 right from
- * from the beggining so we don't have to special case
+ * from the beginning so we don't have to special case
* default weights in the linux netlink code.
*
* 1 should be a valid on all platforms anyway.
@@ -508,6 +523,7 @@ unsigned int nexthop_level(struct nexthop *nexthop)
uint32_t nexthop_hash_quick(const struct nexthop *nexthop)
{
uint32_t key = 0x45afe398;
+ uint32_t val;
key = jhash_3words(nexthop->type, nexthop->vrf_id,
nexthop->nh_label_type, key);
@@ -537,8 +553,12 @@ uint32_t nexthop_hash_quick(const struct nexthop *nexthop)
key = jhash_1word(nexthop->nh_label->label[i], key);
}
- key = jhash_2words(nexthop->ifindex,
- CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ONLINK),
+ val = 0;
+ if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP))
+ val = (uint32_t)nexthop->backup_idx;
+
+ key = jhash_3words(nexthop->ifindex,
+ CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ONLINK), val,
key);
return key;
@@ -578,6 +598,7 @@ void nexthop_copy_no_recurse(struct nexthop *copy,
copy->type = nexthop->type;
copy->flags = nexthop->flags;
copy->weight = nexthop->weight;
+ copy->backup_idx = nexthop->backup_idx;
memcpy(&copy->gate, &nexthop->gate, sizeof(nexthop->gate));
memcpy(&copy->src, &nexthop->src, sizeof(nexthop->src));
memcpy(&copy->rmap_src, &nexthop->rmap_src, sizeof(nexthop->rmap_src));