diff options
Diffstat (limited to 'src/vnet/ip')
| -rw-r--r-- | src/vnet/ip/ip_path_mtu.c | 27 | ||||
| -rw-r--r-- | src/vnet/ip/ip_path_mtu.h | 3 |
2 files changed, 23 insertions, 7 deletions
diff --git a/src/vnet/ip/ip_path_mtu.c b/src/vnet/ip/ip_path_mtu.c index 40d8c8fab0b..84dd625c225 100644 --- a/src/vnet/ip/ip_path_mtu.c +++ b/src/vnet/ip/ip_path_mtu.c @@ -297,10 +297,21 @@ ip_ptmu_adj_walk_update (adj_index_t ai, void *ctx) static ip_pmtu_dpo_t * ip_pmtu_dpo_alloc (void) { + vlib_main_t *vm = vlib_get_main (); + u8 need_barrier_sync = 0; ip_pmtu_dpo_t *ipm; + pool_get_aligned_will_expand (ip_pmtu_dpo_pool, need_barrier_sync, + sizeof (ip_pmtu_dpo_t)); + + if (need_barrier_sync) + vlib_worker_thread_barrier_sync (vm); + pool_get_aligned_zero (ip_pmtu_dpo_pool, ipm, sizeof (ip_pmtu_dpo_t)); + if (need_barrier_sync) + vlib_worker_thread_barrier_release (vm); + return (ipm); } @@ -353,18 +364,16 @@ ip_pmtu_dpo_get_urpf (const dpo_id_t *dpo) } void -ip_pmtu_dpo_add_or_lock (fib_protocol_t fproto, u16 pmtu, dpo_id_t *dpo) +ip_pmtu_dpo_add_or_lock (u16 pmtu, const dpo_id_t *parent, dpo_id_t *dpo) { ip_pmtu_dpo_t *ipm; - dpo_id_t parent = DPO_INVALID; ipm = ip_pmtu_dpo_alloc (); - ipm->ipm_proto = fib_proto_to_dpo (fproto); + ipm->ipm_proto = parent->dpoi_proto; ipm->ipm_pmtu = pmtu; - dpo_copy (&parent, drop_dpo_get (ipm->ipm_proto)); - dpo_stack (ip_pmtu_dpo_type, ipm->ipm_proto, &ipm->ipm_dpo, &parent); + dpo_stack (ip_pmtu_dpo_type, ipm->ipm_proto, &ipm->ipm_dpo, parent); dpo_set (dpo, ip_pmtu_dpo_type, ipm->ipm_proto, ip_pmtu_dpo_get_index (ipm)); } @@ -516,7 +525,9 @@ ip_pmtu_alloc (u32 fib_index, const fib_prefix_t *pfx, /* * interpose a policy DPO from the nh so that MTU is applied */ - ip_pmtu_dpo_add_or_lock (pfx->fp_proto, ipt->ipt_oper_pmtu, &ip_dpo); + ip_pmtu_dpo_add_or_lock (ipt->ipt_oper_pmtu, + drop_dpo_get (fib_proto_to_dpo (pfx->fp_proto)), + &ip_dpo); fib_table_entry_special_dpo_add (fib_index, pfx, ip_pmtu_source, FIB_ENTRY_FLAG_INTERPOSE, &ip_dpo); @@ -587,7 +598,9 @@ ip_pmtu_stack (ip_pmtu_t *ipt) { dpo_id_t ip_dpo = DPO_INVALID; - ip_pmtu_dpo_add_or_lock (pfx->fp_proto, ipt->ipt_oper_pmtu, &ip_dpo); + ip_pmtu_dpo_add_or_lock ( + ipt->ipt_oper_pmtu, + drop_dpo_get (fib_proto_to_dpo (pfx->fp_proto)), &ip_dpo); fib_table_entry_special_dpo_update ( fib_index, pfx, ip_pmtu_source, FIB_ENTRY_FLAG_INTERPOSE, &ip_dpo); diff --git a/src/vnet/ip/ip_path_mtu.h b/src/vnet/ip/ip_path_mtu.h index 2c54fcd7401..96a5227237a 100644 --- a/src/vnet/ip/ip_path_mtu.h +++ b/src/vnet/ip/ip_path_mtu.h @@ -100,6 +100,9 @@ extern int ip_path_mtu_replace_end (void); extern u32 ip_pmtu_get_table_id (const ip_pmtu_t *ipt); extern void ip_pmtu_get_ip (const ip_pmtu_t *ipt, ip_address_t *ip); +extern void ip_pmtu_dpo_add_or_lock (u16 pmtu, const dpo_id_t *parent, + dpo_id_t *dpo); + /** * Data-plane accessor functions */ |