From a3960a8b74de5cef51db2c7575f8f2d71a013d0a Mon Sep 17 00:00:00 2001 From: Onong Tayeng Date: Fri, 4 Sep 2020 17:16:23 +0530 Subject: [PATCH] lisp: fix crash with arp and packet trace on With packet trace on, VPP crashes when an arp packet arrives. This patch fixes the crash and also ensures that the packet trace displays the eid info. Type: fix Signed-off-by: Onong Tayeng Change-Id: Iaad09a5e2b33e931ab9bd7bc3d4573b5ed5e4bfd --- src/vnet/lisp-cp/control.c | 6 +++++- src/vnet/lisp-cp/lisp_types.c | 4 ++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c index 7e9d059f9ed..60d85619dc5 100644 --- a/src/vnet/lisp-cp/control.c +++ b/src/vnet/lisp-cp/control.c @@ -3552,7 +3552,11 @@ lisp_cp_lookup_inline (vlib_main_t * vm, sizeof (*tr)); clib_memset (tr, 0, sizeof (*tr)); - gid_address_copy (&tr->dst_eid, &dst); + if ((gid_address_type (&dst) == GID_ADDR_NDP) || + (gid_address_type (&dst) == GID_ADDR_ARP)) + clib_memcpy (&tr->dst_eid, &dst, sizeof (gid_address_t)); + else + gid_address_copy (&tr->dst_eid, &dst); ip_address_copy (&tr->map_resolver_ip, &lcm->active_map_resolver); } diff --git a/src/vnet/lisp-cp/lisp_types.c b/src/vnet/lisp-cp/lisp_types.c index 971d3071b6a..6ff3b4ebf4b 100644 --- a/src/vnet/lisp-cp/lisp_types.c +++ b/src/vnet/lisp-cp/lisp_types.c @@ -41,7 +41,7 @@ serdes_fct write_fcts[GID_ADDR_TYPES] = }; cast_fct cast_fcts[GID_ADDR_TYPES] = - { ip_prefix_cast, lcaf_cast, mac_cast, sd_cast, nsh_cast, 0 /* arp */ , + { ip_prefix_cast, lcaf_cast, mac_cast, sd_cast, nsh_cast, no_addr_cast, no_addr_cast }; @@ -51,7 +51,7 @@ addr_len_fct addr_len_fcts[GID_ADDR_TYPES] = }; copy_fct copy_fcts[GID_ADDR_TYPES] = - { ip_prefix_copy, lcaf_copy, mac_copy, sd_copy, nsh_copy, 0 /* arp */ , + { ip_prefix_copy, lcaf_copy, mac_copy, sd_copy, nsh_copy, no_addr_copy, no_addr_copy }; -- 2.16.6