diff options
Diffstat (limited to 'src/vnet/dpo/mpls_label_dpo.c')
| -rw-r--r-- | src/vnet/dpo/mpls_label_dpo.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/vnet/dpo/mpls_label_dpo.c b/src/vnet/dpo/mpls_label_dpo.c index 683b5449513..b87cb1efcd2 100644 --- a/src/vnet/dpo/mpls_label_dpo.c +++ b/src/vnet/dpo/mpls_label_dpo.c @@ -18,6 +18,8 @@ #include <vnet/mpls/mpls.h> #include <vnet/dpo/drop_dpo.h> +// clang-format off + #ifndef CLIB_MARCH_VARIANT /* * pool of all MPLS Label DPOs @@ -1213,12 +1215,25 @@ mpls_label_interpose (const dpo_id_t *original, mpls_label_dpo_get_index(mld_clone)); } +static u16 +mpls_label_dpo_get_mtu (const dpo_id_t *dpo) +{ + mpls_label_dpo_t *mld; + + mld = mpls_label_dpo_get(dpo->dpoi_index); + + /* return the parent's MTU minus the amount of header + * this DPO imposes */ + return (dpo_get_mtu (&mld->mld_dpo) - sizeof(mpls_label_t) * mld->mld_n_labels); +} + const static dpo_vft_t mld_vft = { .dv_lock = mpls_label_dpo_lock, .dv_unlock = mpls_label_dpo_unlock, .dv_format = format_mpls_label_dpo, .dv_mem_show = mpls_label_dpo_mem_show, .dv_mk_interpose = mpls_label_interpose, + .dv_get_mtu = mpls_label_dpo_get_mtu, }; const static char* const mpls_label_imp_pipe_ip4_nodes[] = @@ -1337,3 +1352,5 @@ mpls_label_dpo_get_type (mpls_label_dpo_flags_t flags) return (mpls_label_dpo_types[flags]); } #endif /* CLIB_MARCH_VARIANT */ + +// clang-format on |