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authorvivek <vivek@cumulusnetworks.com>2016-04-16 04:19:37 +0200
committerDonald Sharp <sharpd@cumulusnetworks.com>2016-09-23 15:30:56 +0200
commit40c7bdb0c9ba746d1f1bdfe1cb4d03aa5f407661 (patch)
treedeeff1f385d86818d5f85258074960cdd2827508 /lib/nexthop.c
parentQuagga: Fix alignment in netlink messages in some cases (diff)
downloadfrr-40c7bdb0c9ba746d1f1bdfe1cb4d03aa5f407661.tar.xz
frr-40c7bdb0c9ba746d1f1bdfe1cb4d03aa5f407661.zip
Quagga: Install label forwarding entries for statically configured LSPs
Install the statically configured LSPs into the FIB (kernel). This is done using the new attributes and definitions for MPLS in the kernel - RTA_VIA, RTA_NEWDST and AF_MPLS. Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com> Reviewed-by: Donald Sharp <sharpd@cumulusnetworks.com> Ticket: CM-4804 Reviewed By: CCR-3088 Testing Done: Manual in SE-1
Diffstat (limited to 'lib/nexthop.c')
-rw-r--r--lib/nexthop.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/lib/nexthop.c b/lib/nexthop.c
index 427f77f87..465cc9485 100644
--- a/lib/nexthop.c
+++ b/lib/nexthop.c
@@ -32,8 +32,10 @@
#include "thread.h"
#include "prefix.h"
#include "nexthop.h"
+#include "mpls.h"
-DEFINE_MTYPE_STATIC(LIB, NEXTHOP, "Nexthop")
+DEFINE_MTYPE_STATIC(LIB, NEXTHOP, "Nexthop")
+DEFINE_MTYPE_STATIC(LIB, NH_LABEL, "Nexthop label")
/* check if nexthops are same, non-recursive */
int
@@ -138,6 +140,7 @@ copy_nexthops (struct nexthop **tnh, struct nexthop *nh)
void
nexthop_free (struct nexthop *nexthop)
{
+ nexthop_del_labels (nexthop);
if (nexthop->resolved)
nexthops_free(nexthop->resolved);
XFREE (MTYPE_NEXTHOP, nexthop);
@@ -156,6 +159,29 @@ nexthops_free (struct nexthop *nexthop)
}
}
+/* Update nexthop with label information. */
+void
+nexthop_add_labels (struct nexthop *nexthop, u_int8_t num_labels,
+ mpls_label_t *label)
+{
+ struct nexthop_label *nh_label;
+ int i;
+
+ nh_label = XCALLOC (MTYPE_NH_LABEL, sizeof (struct nexthop_label));
+ nh_label->num_labels = num_labels;
+ for (i = 0; i < num_labels; i++)
+ nh_label->label[i] = *(label + i);
+ nexthop->nh_label = nh_label;
+}
+
+/* Free label information of nexthop, if present. */
+void
+nexthop_del_labels (struct nexthop *nexthop)
+{
+ if (nexthop->nh_label)
+ XFREE (MTYPE_NH_LABEL, nexthop->nh_label);
+}
+
const char *
nexthop2str (struct nexthop *nexthop, char *str, int size)
{