diff options
-rw-r--r-- | src/plugins/avf/avf.h | 2 | ||||
-rw-r--r-- | src/plugins/avf/cli.c | 2 | ||||
-rw-r--r-- | src/plugins/avf/device.c | 70 |
3 files changed, 36 insertions, 38 deletions
diff --git a/src/plugins/avf/avf.h b/src/plugins/avf/avf.h index 10297e6f0ce..dbcdcd249af 100644 --- a/src/plugins/avf/avf.h +++ b/src/plugins/avf/avf.h @@ -112,7 +112,6 @@ extern vlib_log_class_registration_t avf_stats_log; _ (2, ADMIN_UP, "admin-up") \ _ (3, VA_DMA, "vaddr-dma") \ _ (4, LINK_UP, "link-up") \ - _ (5, SHARED_TXQ_LOCK, "shared-txq-lock") \ _ (6, ELOG, "elog") \ _ (7, PROMISC, "promisc") \ _ (8, RX_INT, "rx-interrupts") \ @@ -335,6 +334,7 @@ typedef struct u8 *name; int enable_elog; u16 rxq_num; + u16 txq_num; u16 rxq_size; u16 txq_size; /* return */ diff --git a/src/plugins/avf/cli.c b/src/plugins/avf/cli.c index 32c19f46590..47b4b9236f2 100644 --- a/src/plugins/avf/cli.c +++ b/src/plugins/avf/cli.c @@ -52,6 +52,8 @@ avf_create_command_fn (vlib_main_t * vm, unformat_input_t * input, args.txq_size = tmp; else if (unformat (line_input, "num-rx-queues %u", &tmp)) args.rxq_num = tmp; + else if (unformat (line_input, "num-tx-queues %u", &tmp)) + args.txq_num = tmp; else if (unformat (line_input, "name %s", &args.name)) ; else diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c index 09dafa3d1e5..de470da9fbf 100644 --- a/src/plugins/avf/device.c +++ b/src/plugins/avf/device.c @@ -290,7 +290,6 @@ avf_rxq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 rxq_size) d++; } - ad->n_rx_queues = clib_min (ad->num_queue_pairs, qid + 1); return 0; } @@ -303,20 +302,11 @@ avf_txq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 txq_size) u8 bpi = vlib_buffer_pool_get_default_for_numa (vm, ad->numa_node); - if (qid >= ad->num_queue_pairs) - { - qid = qid % ad->num_queue_pairs; - txq = vec_elt_at_index (ad->txqs, qid); - ASSERT (txq->lock == 0); - clib_spinlock_init (&txq->lock); - ad->flags |= AVF_DEVICE_F_SHARED_TXQ_LOCK; - return 0; - } - vec_validate_aligned (ad->txqs, qid, CLIB_CACHE_LINE_BYTES); txq = vec_elt_at_index (ad->txqs, qid); txq->size = txq_size; txq->next = 0; + clib_spinlock_init (&txq->lock); /* Prepare a placeholder buffer(s) to maintain a 1-1 relationship between * bufs and descs when a context descriptor is added in descs. Worst case @@ -348,7 +338,6 @@ avf_txq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 txq_size) vec_validate_aligned (txq->tmp_descs, txq->size, CLIB_CACHE_LINE_BYTES); vec_validate_aligned (txq->tmp_bufs, txq->size, CLIB_CACHE_LINE_BYTES); - ad->n_tx_queues = clib_min (ad->num_queue_pairs, qid + 1); return 0; } @@ -958,13 +947,15 @@ avf_device_init (vlib_main_t * vm, avf_main_t * am, avf_device_t * ad, virtchnl_version_info_t ver = { 0 }; virtchnl_vf_resource_t res = { 0 }; clib_error_t *error; - vlib_thread_main_t *tm = vlib_get_thread_main (); int i, wb_on_itr; + u16 rxq_num, txq_num; avf_adminq_init (vm, ad); - if ((error = avf_request_queues (vm, ad, clib_max (tm->n_vlib_mains, - args->rxq_num)))) + rxq_num = args->rxq_num ? args->rxq_num : 1; + txq_num = args->txq_num ? args->txq_num : vlib_get_n_threads (); + + if ((error = avf_request_queues (vm, ad, clib_max (txq_num, rxq_num)))) { /* we failed to get more queues, but still we want to proceed */ clib_error_free (error); @@ -998,14 +989,33 @@ avf_device_init (vlib_main_t * vm, avf_main_t * am, avf_device_t * ad, ad->vsi_id = res.vsi_res[0].vsi_id; ad->cap_flags = res.vf_cap_flags; ad->num_queue_pairs = res.num_queue_pairs; + ad->n_rx_queues = clib_min (rxq_num, res.num_queue_pairs); + ad->n_tx_queues = clib_min (txq_num, res.num_queue_pairs); ad->max_vectors = res.max_vectors; ad->max_mtu = res.max_mtu; ad->rss_key_size = res.rss_key_size; ad->rss_lut_size = res.rss_lut_size; + ad->n_rx_irqs = ad->max_vectors > ad->n_rx_queues ? ad->n_rx_queues : 1; + + if (ad->max_vectors > ad->n_rx_queues) + ad->flags |= AVF_DEVICE_F_RX_INT; + wb_on_itr = (ad->cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) != 0; clib_memcpy_fast (ad->hwaddr, res.vsi_res[0].default_mac_addr, 6); + if (args->rxq_num != 0 && ad->n_rx_queues != args->rxq_num) + return clib_error_return (0, + "Number of requested RX queues (%u) is " + "higher than mumber of available queues (%u)", + args->rxq_num, ad->num_queue_pairs); + + if (args->txq_num != 0 && ad->n_tx_queues != args->txq_num) + return clib_error_return (0, + "Number of requested TX queues (%u) is " + "higher than mumber of available queues (%u)", + args->txq_num, ad->num_queue_pairs); + /* * Disable VLAN stripping */ @@ -1031,33 +1041,14 @@ avf_device_init (vlib_main_t * vm, avf_main_t * am, avf_device_t * ad, /* * Init Queues */ - if (args->rxq_num == 0) - { - args->rxq_num = 1; - } - else if (args->rxq_num > ad->num_queue_pairs) - { - args->rxq_num = ad->num_queue_pairs; - avf_log_warn (ad, "Requested more rx queues than queue pairs available." - "Using %u rx queues.", args->rxq_num); - } - - for (i = 0; i < args->rxq_num; i++) + for (i = 0; i < ad->n_rx_queues; i++) if ((error = avf_rxq_init (vm, ad, i, args->rxq_size))) return error; - for (i = 0; i < tm->n_vlib_mains; i++) + for (i = 0; i < ad->n_tx_queues; i++) if ((error = avf_txq_init (vm, ad, i, args->txq_size))) return error; - if (ad->max_vectors > ad->n_rx_queues) - { - ad->flags |= AVF_DEVICE_F_RX_INT; - ad->n_rx_irqs = args->rxq_num; - } - else - ad->n_rx_irqs = 1; - if ((ad->cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) && (error = avf_op_config_rss_lut (vm, ad))) return error; @@ -1761,10 +1752,15 @@ avf_create_if (vlib_main_t * vm, avf_create_if_args_t * args) for (i = 0; i < ad->n_tx_queues; i++) { u32 qi = vnet_hw_if_register_tx_queue (vnm, ad->hw_if_index, i); - vnet_hw_if_tx_queue_assign_thread (vnm, qi, i); ad->txqs[i].queue_index = qi; } + for (i = 0; i < vlib_get_n_threads (); i++) + { + u32 qi = ad->txqs[i % ad->n_tx_queues].queue_index; + vnet_hw_if_tx_queue_assign_thread (vnm, qi, i); + } + vnet_hw_if_update_runtime_data (vnm, ad->hw_if_index); if (pool_elts (am->devices) == 1) |