diff options
Diffstat (limited to 'src/vnet/dpo')
| -rw-r--r-- | src/vnet/dpo/classify_dpo.c | 5 | ||||
| -rw-r--r-- | src/vnet/dpo/dpo.h | 53 | ||||
| -rw-r--r-- | src/vnet/dpo/load_balance_map.c | 5 | ||||
| -rw-r--r-- | src/vnet/dpo/lookup_dpo.c | 10 | ||||
| -rw-r--r-- | src/vnet/dpo/mpls_label_dpo.c | 5 | ||||
| -rw-r--r-- | src/vnet/dpo/receive_dpo.c | 5 |
6 files changed, 76 insertions, 7 deletions
diff --git a/src/vnet/dpo/classify_dpo.c b/src/vnet/dpo/classify_dpo.c index 08fab83f2ee..bc536a10266 100644 --- a/src/vnet/dpo/classify_dpo.c +++ b/src/vnet/dpo/classify_dpo.c @@ -26,8 +26,13 @@ static classify_dpo_t * classify_dpo_alloc (void) { classify_dpo_t *cd; + vlib_main_t *vm; + u8 did_barrier_sync; + dpo_pool_barrier_sync (vm, classify_dpo_pool, did_barrier_sync); pool_get_aligned(classify_dpo_pool, cd, CLIB_CACHE_LINE_BYTES); + dpo_pool_barrier_release (vm, did_barrier_sync); + clib_memset(cd, 0, sizeof(*cd)); return (cd); diff --git a/src/vnet/dpo/dpo.h b/src/vnet/dpo/dpo.h index d3c2371c6dd..e5a9bdc1ca1 100644 --- a/src/vnet/dpo/dpo.h +++ b/src/vnet/dpo/dpo.h @@ -16,7 +16,7 @@ * @brief * A Data-Path Object is an object that represents actions that are * applied to packets are they are switched through VPP's data-path. - * + * * The DPO can be considered to be like is a base class that is specialised * by other objects to provide concreate actions * @@ -328,7 +328,7 @@ extern void dpo_stack(dpo_type_t child_type, const dpo_id_t *parent_dpo); /** - * @brief + * @brief * Set and stack a DPO. * The DPO passed is set to the parent DPO and the necessary * VLIB graph arcs are created, from the child_node passed. @@ -341,7 +341,7 @@ extern void dpo_stack(dpo_type_t child_type, * * @param parent_dpo * The parent DPO to stack onto. - */ + */ extern void dpo_stack_from_node(u32 child_node, dpo_id_t *dpo, const dpo_id_t *parent); @@ -443,7 +443,7 @@ typedef struct dpo_vft_t_ * (see above). * * @param type - * The type being registered. + * The type being registered. * * @param vft * The virtual function table to register for the type. @@ -497,4 +497,49 @@ dpo_get_next_node_by_type_and_proto (dpo_type_t child_type, dpo_proto_t child_proto, dpo_type_t parent_type, dpo_proto_t parent_proto); + + +/** + * @brief Barrier sync if a dpo pool is about to expand + * + * @param VM (output) + * vlib_main_t *, invariably &vlib_global_main + * + * @param P + * pool pointer + * + * @param YESNO (output) + * typically a u8, 1 => expand will occur, worker barrier held + * 0 => no expand, barrier not held + * + * @return YESNO set + */ + +#define dpo_pool_barrier_sync(VM,P,YESNO) \ +do { \ + pool_get_aligned_will_expand ((P), YESNO, CLIB_CACHE_LINE_BYTES); \ + \ + if (YESNO) \ + { \ + VM = vlib_get_main(); \ + ASSERT ((VM)->thread_index == 0); \ + vlib_worker_thread_barrier_sync((VM)); \ + } \ +} while(0); + +/** + * @brief Release barrier sync after dpo pool expansion + * + * @param VM + * vlib_main_t pointer, must be &vlib_global_main + * + * @param YESNO + * typically a u8, 1 => release required + * 0 => no release required + * @return none + */ + +#define dpo_pool_barrier_release(VM,YESNO) \ + if ((YESNO)) vlib_worker_thread_barrier_release((VM)); + #endif diff --git a/src/vnet/dpo/load_balance_map.c b/src/vnet/dpo/load_balance_map.c index 7da360b88ac..c03acaf2d70 100644 --- a/src/vnet/dpo/load_balance_map.c +++ b/src/vnet/dpo/load_balance_map.c @@ -387,8 +387,13 @@ load_balance_map_alloc (const load_balance_path_t *paths) { load_balance_map_t *lbm; u32 ii; + vlib_main_t *vm; + u8 did_barrier_sync; + dpo_pool_barrier_sync (vm, load_balance_map_pool, did_barrier_sync); pool_get_aligned(load_balance_map_pool, lbm, CLIB_CACHE_LINE_BYTES); + dpo_pool_barrier_release (vm, did_barrier_sync); + clib_memset(lbm, 0, sizeof(*lbm)); vec_validate(lbm->lbm_paths, vec_len(paths)-1); diff --git a/src/vnet/dpo/lookup_dpo.c b/src/vnet/dpo/lookup_dpo.c index daa2352f649..677a19fe862 100644 --- a/src/vnet/dpo/lookup_dpo.c +++ b/src/vnet/dpo/lookup_dpo.c @@ -63,8 +63,12 @@ static lookup_dpo_t * lookup_dpo_alloc (void) { lookup_dpo_t *lkd; + vlib_main_t *vm; + u8 did_barrier_sync; + dpo_pool_barrier_sync (vm, lookup_dpo_pool, did_barrier_sync); pool_get_aligned(lookup_dpo_pool, lkd, CLIB_CACHE_LINE_BYTES); + dpo_pool_barrier_release (vm, did_barrier_sync); return (lkd); } @@ -1076,7 +1080,7 @@ lookup_dpo_mpls_inline (vlib_main_t * vm, */ if (table_from_interface) { - fib_index0 = + fib_index0 = mpls_fib_table_get_index_for_sw_if_index( vnet_buffer(b0)->sw_if_index[VLIB_RX]); } @@ -1142,9 +1146,9 @@ lookup_dpo_mpls_inline (vlib_main_t * vm, if (PREDICT_FALSE(vnet_buffer2(b0)->loop_counter > MAX_LUKPS_PER_PACKET)) next0 = MPLS_LOOKUP_NEXT_DROP; - if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) + if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) { - lookup_trace_t *tr = vlib_add_trace (vm, node, + lookup_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); tr->fib_index = fib_index0; tr->lbi = lbi0; diff --git a/src/vnet/dpo/mpls_label_dpo.c b/src/vnet/dpo/mpls_label_dpo.c index 9d147f98f13..683b5449513 100644 --- a/src/vnet/dpo/mpls_label_dpo.c +++ b/src/vnet/dpo/mpls_label_dpo.c @@ -39,8 +39,13 @@ static mpls_label_dpo_t * mpls_label_dpo_alloc (void) { mpls_label_dpo_t *mld; + vlib_main_t *vm; + u8 did_barrier_sync; + dpo_pool_barrier_sync (vm, mpls_label_dpo_pool, did_barrier_sync); pool_get_aligned(mpls_label_dpo_pool, mld, CLIB_CACHE_LINE_BYTES); + dpo_pool_barrier_release (vm, did_barrier_sync); + clib_memset(mld, 0, sizeof(*mld)); dpo_reset(&mld->mld_dpo); diff --git a/src/vnet/dpo/receive_dpo.c b/src/vnet/dpo/receive_dpo.c index 949dbfa6587..b12b382ce64 100644 --- a/src/vnet/dpo/receive_dpo.c +++ b/src/vnet/dpo/receive_dpo.c @@ -35,8 +35,13 @@ static receive_dpo_t * receive_dpo_alloc (void) { receive_dpo_t *rd; + vlib_main_t *vm; + u8 did_barrier_sync; + dpo_pool_barrier_sync (vm, receive_dpo_pool, did_barrier_sync); pool_get_aligned(receive_dpo_pool, rd, CLIB_CACHE_LINE_BYTES); + dpo_pool_barrier_release (vm, did_barrier_sync); + clib_memset(rd, 0, sizeof(*rd)); return (rd); |