diff options
Diffstat (limited to 'src/plugins/dpdk/buffer.c')
| -rw-r--r-- | src/plugins/dpdk/buffer.c | 67 |
1 files changed, 49 insertions, 18 deletions
diff --git a/src/plugins/dpdk/buffer.c b/src/plugins/dpdk/buffer.c index 53afd11b530..293fb6cba27 100644 --- a/src/plugins/dpdk/buffer.c +++ b/src/plugins/dpdk/buffer.c @@ -79,17 +79,31 @@ STATIC_ASSERT (VLIB_BUFFER_PRE_DATA_SIZE == RTE_PKTMBUF_HEADROOM, "VLIB_BUFFER_PRE_DATA_SIZE must be equal to RTE_PKTMBUF_HEADROOM"); -static struct rte_mbuf ***mbuf_pending_free_list = 0; +typedef struct +{ + struct rte_mbuf ***mbuf_pending_free_list; + + /* cached last pool */ + struct rte_mempool *last_pool; + u8 last_buffer_pool_index; +} dpdk_buffer_per_thread_data; + +typedef struct +{ + dpdk_buffer_per_thread_data *ptd; +} dpdk_buffer_main_t; + +dpdk_buffer_main_t dpdk_buffer_main; static_always_inline void -dpdk_rte_pktmbuf_free (vlib_main_t * vm, vlib_buffer_t * b) +dpdk_rte_pktmbuf_free (vlib_main_t * vm, u32 thread_index, vlib_buffer_t * b) { vlib_buffer_t *hb = b; + dpdk_buffer_main_t *dbm = &dpdk_buffer_main; + dpdk_buffer_per_thread_data *d = vec_elt_at_index (dbm->ptd, thread_index); struct rte_mbuf *mb; u32 next, flags; mb = rte_mbuf_from_vlib_buffer (hb); - static struct rte_mempool *last_pool = 0; - static u8 last_buffer_pool_index; next: flags = b->flags; @@ -105,16 +119,16 @@ next: mb = rte_pktmbuf_prefree_seg (mb); if (mb) { - if (mb->pool != last_pool) + if (mb->pool != d->last_pool) { - last_pool = mb->pool; - dpdk_mempool_private_t *privp = rte_mempool_get_priv (last_pool); - last_buffer_pool_index = privp->buffer_pool_index; - vec_validate_aligned (mbuf_pending_free_list, - last_buffer_pool_index, + d->last_pool = mb->pool; + dpdk_mempool_private_t *privp = rte_mempool_get_priv (d->last_pool); + d->last_buffer_pool_index = privp->buffer_pool_index; + vec_validate_aligned (d->mbuf_pending_free_list, + d->last_buffer_pool_index, CLIB_CACHE_LINE_BYTES); } - vec_add1 (mbuf_pending_free_list[last_buffer_pool_index], mb); + vec_add1 (d->mbuf_pending_free_list[d->last_buffer_pool_index], mb); } if (flags & VLIB_BUFFER_NEXT_PRESENT) @@ -130,11 +144,12 @@ del_free_list (vlib_main_t * vm, vlib_buffer_free_list_t * f) { u32 i; vlib_buffer_t *b; + u32 thread_index = vlib_get_thread_index (); for (i = 0; i < vec_len (f->buffers); i++) { b = vlib_get_buffer (vm, f->buffers[i]); - dpdk_rte_pktmbuf_free (vm, b); + dpdk_rte_pktmbuf_free (vm, thread_index, b); } vec_free (f->name); @@ -357,6 +372,7 @@ recycle_or_free (vlib_main_t * vm, vlib_buffer_main_t * bm, u32 bi, vlib_buffer_t * b) { vlib_buffer_free_list_t *fl; + u32 thread_index = vlib_get_thread_index (); u32 fi; fl = vlib_buffer_get_buffer_free_list (vm, b, &fi); @@ -380,7 +396,7 @@ recycle_or_free (vlib_main_t * vm, vlib_buffer_main_t * bm, u32 bi, else { if (PREDICT_TRUE ((b->flags & VLIB_BUFFER_RECYCLE) == 0)) - dpdk_rte_pktmbuf_free (vm, b); + dpdk_rte_pktmbuf_free (vm, thread_index, b); } } @@ -389,7 +405,10 @@ vlib_buffer_free_inline (vlib_main_t * vm, u32 * buffers, u32 n_buffers, u32 follow_buffer_next) { vlib_buffer_main_t *bm = vm->buffer_main; + dpdk_buffer_main_t *dbm = &dpdk_buffer_main; vlib_buffer_t *b0, *b1, *b2, *b3; + u32 thread_index = vlib_get_thread_index (); + dpdk_buffer_per_thread_data *d = vec_elt_at_index (dbm->ptd, thread_index); int i = 0; u32 (*cb) (vlib_main_t * vm, u32 * buffers, u32 n_buffers, u32 follow_buffer_next); @@ -444,14 +463,14 @@ vlib_buffer_free_inline (vlib_main_t * vm, _vec_len (bm->announce_list) = 0; } - vec_foreach_index (i, mbuf_pending_free_list) + vec_foreach_index (i, d->mbuf_pending_free_list) { - int len = vec_len (mbuf_pending_free_list[i]); + int len = vec_len (d->mbuf_pending_free_list[i]); if (len) { - rte_mempool_put_bulk (mbuf_pending_free_list[i][len - 1]->pool, - (void *) mbuf_pending_free_list[i], len); - vec_reset_length (mbuf_pending_free_list[i]); + rte_mempool_put_bulk (d->mbuf_pending_free_list[i][len - 1]->pool, + (void *) d->mbuf_pending_free_list[i], len); + vec_reset_length (d->mbuf_pending_free_list[i]); } } } @@ -699,6 +718,18 @@ dpdk_buffer_poison_trajectory_all (void) } #endif +static clib_error_t * +dpdk_buffer_init (vlib_main_t * vm) +{ + dpdk_buffer_main_t *dbm = &dpdk_buffer_main; + vlib_thread_main_t *tm = vlib_get_thread_main (); + vec_validate_aligned (dbm->ptd, tm->n_vlib_mains - 1, + CLIB_CACHE_LINE_BYTES); + return 0; +} + +VLIB_INIT_FUNCTION (dpdk_buffer_init); + /* *INDENT-OFF* */ VLIB_BUFFER_REGISTER_CALLBACKS (dpdk, static) = { .vlib_buffer_alloc_cb = &dpdk_buffer_alloc, |