T6977: FRR patch for 'no encapsulation' command

scripts/package-build/frr/patches/frr/0016-zebra-Add-no-encapsulation-under-segment-routing-srv.patch

@@ -0,0 +1,83 @@
+From 3372c944bc10646bec52ad730a76a4b60e833ce5 Mon Sep 17 00:00:00 2001
+From: Kyrylo Yatsenko <hedrok@gmail.com>
+Date: Fri, 6 Feb 2026 09:07:15 +0200
+Subject: [PATCH] zebra: Add 'no encapsulation' under segment-routing/srv6
+
+Add missing command 'no encapsulation'.
+
+Add small static helper function `unset_srv6_encapsulation` to be used
+in 'no srv6', 'no encapsulation' and 'no source-address'.
+
+Signed-off-by: Kyrylo Yatsenko <hedrok@gmail.com>
+---
+ zebra/zebra_srv6_vty.c | 26 +++++++++++++++++++++-----
+ 1 file changed, 21 insertions(+), 5 deletions(-)
+
+diff --git a/zebra/zebra_srv6_vty.c b/zebra/zebra_srv6_vty.c
+index ba87928f78..ec71941539 100644
+--- a/zebra/zebra_srv6_vty.c
++++ b/zebra/zebra_srv6_vty.c
+@@ -738,6 +738,13 @@ DEFUN_NOSH (srv6,
+ 	return CMD_SUCCESS;
+ }
+
++/* Unset SRv6 encapsulation source address */
++static void unset_srv6_encap_source_address(void)
++{
++	zebra_srv6_encap_src_addr_unset();
++	dplane_srv6_encap_srcaddr_set(&in6addr_any, NS_DEFAULT);
++}
++
+ DEFUN (no_srv6,
+        no_srv6_cmd,
+        "no srv6",
+@@ -772,9 +779,7 @@ DEFUN (no_srv6,
+ 		zebra_srv6_locator_delete(locator);
+ 	}
+
+-	/* Unset SRv6 encapsulation source address */
+-	zebra_srv6_encap_src_addr_unset();
+-	dplane_srv6_encap_srcaddr_set(&in6addr_any, NS_DEFAULT);
++	unset_srv6_encap_source_address();
+
+ 	return CMD_SUCCESS;
+ }
+@@ -1131,6 +1136,17 @@ DEFUN_NOSH (srv6_encap,
+ 	return CMD_SUCCESS;
+ }
+
++DEFUN (no_srv6_encap,
++       no_srv6_encap_cmd,
++       "no encapsulation",
++       NO_STR
++       "Segment Routing SRv6 encapsulation\n")
++{
++	unset_srv6_encap_source_address();
++
++	return CMD_SUCCESS;
++}
++
+ DEFPY (srv6_src_addr,
+        srv6_src_addr_cmd,
+        "source-address X:X::X:X$encap_src_addr",
+@@ -1149,8 +1165,7 @@ DEFPY (no_srv6_src_addr,
+        "Segment Routing SRv6 source address\n"
+        "Specify source address for SRv6 encapsulation\n")
+ {
+-	zebra_srv6_encap_src_addr_unset();
+-	dplane_srv6_encap_srcaddr_set(&in6addr_any, NS_DEFAULT);
++	unset_srv6_encap_source_address();
+ 	return CMD_SUCCESS;
+ }
+
+@@ -1743,6 +1758,7 @@ void zebra_srv6_vty_init(void)
+ 	install_element(SEGMENT_ROUTING_NODE, &no_srv6_cmd);
+ 	install_element(SRV6_NODE, &srv6_locators_cmd);
+ 	install_element(SRV6_NODE, &srv6_encap_cmd);
++	install_element(SRV6_NODE, &no_srv6_encap_cmd);
+ 	install_element(SRV6_NODE, &srv6_sid_formats_cmd);
+ 	install_element(SRV6_LOCS_NODE, &srv6_locator_cmd);
+ 	install_element(SRV6_LOCS_NODE, &no_srv6_locator_cmd);
+-- 
+2.51.2
+