bgpd: Added the as-set option for IPV6 agg. route

FRR has no option for the as-set for aggregate route
under IPV6 address family. Added the command to
configure the as-set option for IPV6.

Signed-off-by: vishaldhingra <vdhingra@vmware.com>

2 files changed, 76 insertions, 5 deletions

diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c
index c7188cdc7..c4fd726e5 100644
--- a/bgpd/bgp_route.c
+++ b/bgpd/bgp_route.c
@@ -6531,28 +6531,38 @@ DEFUN (no_aggregate_address_mask,
 
 DEFUN (ipv6_aggregate_address,
        ipv6_aggregate_address_cmd,
-       "aggregate-address X:X::X:X/M [summary-only]",
+       "aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>]",
        "Configure BGP aggregate entries\n"
        "Aggregate prefix\n"
-       "Filter more specific routes from updates\n")
+       "Generate AS set path information\n"
+       "Filter more specific routes from updates\n"
+       "Filter more specific routes from updates\n"
+       "Generate AS set path information\n")
 {
 	int idx = 0;
 	argv_find(argv, argc, "X:X::X:X/M", &idx);
 	char *prefix = argv[idx]->arg;
+	int as_set =
+		argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0;
+
+	idx = 0;
 	int sum_only = argv_find(argv, argc, "summary-only", &idx)
 			       ? AGGREGATE_SUMMARY_ONLY
 			       : 0;
 	return bgp_aggregate_set(vty, prefix, AFI_IP6, SAFI_UNICAST, sum_only,
-				 0);
+				 as_set);
 }
 
 DEFUN (no_ipv6_aggregate_address,
        no_ipv6_aggregate_address_cmd,
-       "no aggregate-address X:X::X:X/M [summary-only]",
+       "no aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>]",
        NO_STR
        "Configure BGP aggregate entries\n"
        "Aggregate prefix\n"
-       "Filter more specific routes from updates\n")
+       "Generate AS set path information\n"
+       "Filter more specific routes from updates\n"
+       "Filter more specific routes from updates\n"
+       "Generate AS set path information\n")
 {
 	int idx = 0;
 	argv_find(argv, argc, "X:X::X:X/M", &idx);
diff --git a/doc/user/bgp.rst b/doc/user/bgp.rst
index 768f22c87..46e32ea28 100644
--- a/doc/user/bgp.rst
+++ b/doc/user/bgp.rst
@@ -688,6 +688,11 @@ Networks
 Route Aggregation
 -----------------
 
+.. _bgp-route-aggregation-ipv4:
+
+Route Aggregation-IPv4 Address Family
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
 .. index:: aggregate-address A.B.C.D/M
 .. clicmd:: aggregate-address A.B.C.D/M
 
@@ -707,6 +712,62 @@ Route Aggregation
 
 .. index:: no aggregate-address A.B.C.D/M
 .. clicmd:: no aggregate-address A.B.C.D/M
+   
+   This command removes an aggregate address.
+
+
+   This configuration example setup the aggregate-address under 
+   ipv4 address-family.
+
+   .. code-block:: frr
+
+      router bgp 1
+       address-family ipv4 unicast
+        aggregate-address 10.0.0.0/8
+        aggregate-address 20.0.0.0/8 as-set
+        aggregate-address 40.0.0.0/8 summary-only
+       exit-address-family
+
+
+.. _bgp-route-aggregation-ipv6:
+
+Route Aggregation-IPv6 Address Family
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. index:: aggregate-address X:X::X:X/M
+.. clicmd:: aggregate-address X:X::X:X/M
+
+   This command specifies an aggregate address.
+
+.. index:: aggregate-address X:X::X:X/M as-set
+.. clicmd:: aggregate-address X:X::X:X/M as-set
+
+   This command specifies an aggregate address. Resulting routes include
+   AS set.
+
+.. index:: aggregate-address X:X::X:X/M summary-only
+.. clicmd:: aggregate-address X:X::X:X/M summary-only
+
+   This command specifies an aggregate address. Aggregated routes will
+   not be announce.
+
+.. index:: no aggregate-address X:X::X:X/M
+.. clicmd:: no aggregate-address X:X::X:X/M
+
+   This command removes an aggregate address.
+
+
+   This configuration example setup the aggregate-address under 
+   ipv4 address-family.
+
+   .. code-block:: frr
+
+      router bgp 1
+       address-family ipv6 unicast
+        aggregate-address 10::0/64
+	aggregate-address 20::0/64 as-set
+	aggregate-address 40::0/64 summary-only
+       exit-address-family
 
 .. _bgp-redistribute-to-bgp: