From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6ED99A0A02; Wed, 24 Mar 2021 20:29:10 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E80A5140FF4; Wed, 24 Mar 2021 20:29:03 +0100 (CET) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by mails.dpdk.org (Postfix) with ESMTP id B387E140FF3 for ; Wed, 24 Mar 2021 20:29:01 +0100 (CET) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 12OJK4dU018664; Wed, 24 Mar 2021 12:29:01 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=UWn9pMnuFBDxQuFkikOinmCUSsr2l31ZLxR8q46kR30=; b=Dku5AWTnnhnizOQflU8WTIbslDcmcQ06IOSs1syqZh96VXu3WuWxU7vIhUi9QZ7Fm5D1 TZpvdGEyrSeJrAfJTRch7W+ePGqqvN6jfQALwjZFjKcH7NQ2TeQcMTqRd66n4mNHMUZq 68KjWjRKV80rGASuhEd2Lgn4ZmCP77LbLjhgYh1D8a2GrPTPHRQMS3KSMXWeTQR6ee1N bGTJ5k/u3vSpU8pOb6YwdXYn2SQ/qkFdLNERK8xsFbuQjYNrqjKS2CHqxuCae0oNg6Q6 JTV12+g1IFQ8+zKaevSIhLfgkfJINdr1WPORAC7v/rDMNCbQYNT4PSYz0nKGCcR6TaQ3 nA== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 37dgjp65gb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 24 Mar 2021 12:29:00 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 24 Mar 2021 12:28:58 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 24 Mar 2021 12:28:58 -0700 Received: from BG-LT7430.marvell.com (BG-LT7430.marvell.com [10.28.177.176]) by maili.marvell.com (Postfix) with ESMTP id CF8EE3F703F; Wed, 24 Mar 2021 12:28:54 -0700 (PDT) From: To: , , , , , , , , CC: , Pavan Nikhilesh Date: Thu, 25 Mar 2021 00:58:25 +0530 Message-ID: <20210324192830.5608-5-pbhagavatula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210324192830.5608-1-pbhagavatula@marvell.com> References: <20210324050525.4489-1-pbhagavatula@marvell.com> <20210324192830.5608-1-pbhagavatula@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-03-24_13:2021-03-24, 2021-03-24 signatures=0 Subject: [dpdk-dev] [PATCH v6 4/8] eventdev: add Rx adapter event vector support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Pavan Nikhilesh Add event vector support for event eth Rx adapter, the implementation creates vector flows based on port and queue identifier of the received mbufs. Signed-off-by: Pavan Nikhilesh --- lib/librte_eventdev/eventdev_pmd.h | 7 +- .../rte_event_eth_rx_adapter.c | 257 ++++++++++++++++-- lib/librte_eventdev/rte_eventdev.c | 6 +- 3 files changed, 250 insertions(+), 20 deletions(-) diff --git a/lib/librte_eventdev/eventdev_pmd.h b/lib/librte_eventdev/eventdev_pmd.h index 9297f1433..0f724ac85 100644 --- a/lib/librte_eventdev/eventdev_pmd.h +++ b/lib/librte_eventdev/eventdev_pmd.h @@ -69,9 +69,10 @@ extern "C" { } \ } while (0) -#define RTE_EVENT_ETH_RX_ADAPTER_SW_CAP \ - ((RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) | \ - (RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ)) +#define RTE_EVENT_ETH_RX_ADAPTER_SW_CAP \ + ((RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) | \ + (RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ) | \ + (RTE_EVENT_ETH_RX_ADAPTER_CAP_EVENT_VECTOR)) #define RTE_EVENT_CRYPTO_ADAPTER_SW_CAP \ RTE_EVENT_CRYPTO_ADAPTER_CAP_SESSION_PRIVATE_DATA diff --git a/lib/librte_eventdev/rte_event_eth_rx_adapter.c b/lib/librte_eventdev/rte_event_eth_rx_adapter.c index ac8ba5bf0..c71990078 100644 --- a/lib/librte_eventdev/rte_event_eth_rx_adapter.c +++ b/lib/librte_eventdev/rte_event_eth_rx_adapter.c @@ -26,6 +26,10 @@ #define BATCH_SIZE 32 #define BLOCK_CNT_THRESHOLD 10 #define ETH_EVENT_BUFFER_SIZE (4*BATCH_SIZE) +#define MAX_VECTOR_SIZE 1024 +#define MIN_VECTOR_SIZE 4 +#define MAX_VECTOR_NS 1E9 +#define MIN_VECTOR_NS 1E5 #define ETH_RX_ADAPTER_SERVICE_NAME_LEN 32 #define ETH_RX_ADAPTER_MEM_NAME_LEN 32 @@ -59,6 +63,20 @@ struct eth_rx_poll_entry { uint16_t eth_rx_qid; }; +struct eth_rx_vector_data { + TAILQ_ENTRY(eth_rx_vector_data) next; + uint16_t port; + uint16_t queue; + uint16_t max_vector_count; + uint64_t event; + uint64_t ts; + uint64_t vector_timeout_ticks; + struct rte_mempool *vector_pool; + struct rte_event_vector *vector_ev; +} __rte_cache_aligned; + +TAILQ_HEAD(eth_rx_vector_data_list, eth_rx_vector_data); + /* Instance per adapter */ struct rte_eth_event_enqueue_buffer { /* Count of events in this buffer */ @@ -92,6 +110,14 @@ struct rte_event_eth_rx_adapter { uint32_t wrr_pos; /* Event burst buffer */ struct rte_eth_event_enqueue_buffer event_enqueue_buffer; + /* Vector enable flag */ + uint8_t ena_vector; + /* Timestamp of previous vector expiry list traversal */ + uint64_t prev_expiry_ts; + /* Minimum ticks to wait before traversing expiry list */ + uint64_t vector_tmo_ticks; + /* vector list */ + struct eth_rx_vector_data_list vector_list; /* Per adapter stats */ struct rte_event_eth_rx_adapter_stats stats; /* Block count, counts up to BLOCK_CNT_THRESHOLD */ @@ -198,9 +224,11 @@ struct eth_device_info { struct eth_rx_queue_info { int queue_enabled; /* True if added */ int intr_enabled; + uint8_t ena_vector; uint16_t wt; /* Polling weight */ uint32_t flow_id_mask; /* Set to ~0 if app provides flow id else 0 */ uint64_t event; + struct eth_rx_vector_data vector_data; }; static struct rte_event_eth_rx_adapter **event_eth_rx_adapter; @@ -722,6 +750,9 @@ rxa_flush_event_buffer(struct rte_event_eth_rx_adapter *rx_adapter) &rx_adapter->event_enqueue_buffer; struct rte_event_eth_rx_adapter_stats *stats = &rx_adapter->stats; + if (!buf->count) + return 0; + uint16_t n = rte_event_enqueue_new_burst(rx_adapter->eventdev_id, rx_adapter->event_port_id, buf->events, @@ -742,6 +773,72 @@ rxa_flush_event_buffer(struct rte_event_eth_rx_adapter *rx_adapter) return n; } +static inline uint16_t +rxa_create_event_vector(struct rte_event_eth_rx_adapter *rx_adapter, + struct eth_rx_queue_info *queue_info, + struct rte_eth_event_enqueue_buffer *buf, + struct rte_mbuf **mbufs, uint16_t num) +{ + struct rte_event *ev = &buf->events[buf->count]; + struct eth_rx_vector_data *vec; + uint16_t filled, space, sz; + + filled = 0; + vec = &queue_info->vector_data; + while (num) { + if (vec->vector_ev == NULL) { + if (rte_mempool_get(vec->vector_pool, + (void **)&vec->vector_ev) < 0) { + rte_pktmbuf_free_bulk(mbufs, num); + return 0; + } + vec->vector_ev->nb_elem = 0; + vec->vector_ev->port = vec->port; + vec->vector_ev->queue = vec->queue; + vec->vector_ev->attr_valid = true; + TAILQ_INSERT_TAIL(&rx_adapter->vector_list, vec, next); + } else if (vec->vector_ev->nb_elem == vec->max_vector_count) { + /* Event ready. */ + ev->event = vec->event; + ev->vec = vec->vector_ev; + ev++; + filled++; + vec->vector_ev = NULL; + TAILQ_REMOVE(&rx_adapter->vector_list, vec, next); + if (rte_mempool_get(vec->vector_pool, + (void **)&vec->vector_ev) < 0) { + rte_pktmbuf_free_bulk(mbufs, num); + return 0; + } + vec->vector_ev->nb_elem = 0; + vec->vector_ev->port = vec->port; + vec->vector_ev->queue = vec->queue; + vec->vector_ev->attr_valid = true; + TAILQ_INSERT_TAIL(&rx_adapter->vector_list, vec, next); + } + + space = vec->max_vector_count - vec->vector_ev->nb_elem; + sz = num > space ? space : num; + memcpy(vec->vector_ev->mbufs + vec->vector_ev->nb_elem, mbufs, + sizeof(void *) * sz); + vec->vector_ev->nb_elem += sz; + num -= sz; + mbufs += sz; + vec->ts = rte_rdtsc(); + } + + if (vec->vector_ev->nb_elem == vec->max_vector_count) { + ev->event = vec->event; + ev->vec = vec->vector_ev; + ev++; + filled++; + vec->vector_ev = NULL; + TAILQ_REMOVE(&rx_adapter->vector_list, vec, next); + } + + return filled; +} + static inline void rxa_buffer_mbufs(struct rte_event_eth_rx_adapter *rx_adapter, uint16_t eth_dev_id, @@ -770,25 +867,30 @@ rxa_buffer_mbufs(struct rte_event_eth_rx_adapter *rx_adapter, rss_mask = ~(((m->ol_flags & PKT_RX_RSS_HASH) != 0) - 1); do_rss = !rss_mask && !eth_rx_queue_info->flow_id_mask; - for (i = 0; i < num; i++) { - m = mbufs[i]; - - rss = do_rss ? - rxa_do_softrss(m, rx_adapter->rss_key_be) : - m->hash.rss; - ev->event = event; - ev->flow_id = (rss & ~flow_id_mask) | - (ev->flow_id & flow_id_mask); - ev->mbuf = m; - ev++; + if (!eth_rx_queue_info->ena_vector) { + for (i = 0; i < num; i++) { + m = mbufs[i]; + + rss = do_rss ? rxa_do_softrss(m, rx_adapter->rss_key_be) + : m->hash.rss; + ev->event = event; + ev->flow_id = (rss & ~flow_id_mask) | + (ev->flow_id & flow_id_mask); + ev->mbuf = m; + ev++; + } + } else { + num = rxa_create_event_vector(rx_adapter, eth_rx_queue_info, + buf, mbufs, num); } - if (dev_info->cb_fn) { + if (num && dev_info->cb_fn) { dropped = 0; nb_cb = dev_info->cb_fn(eth_dev_id, rx_queue_id, - ETH_EVENT_BUFFER_SIZE, buf->count, ev, - num, dev_info->cb_arg, &dropped); + ETH_EVENT_BUFFER_SIZE, buf->count, + &buf->events[buf->count], num, + dev_info->cb_arg, &dropped); if (unlikely(nb_cb > num)) RTE_EDEV_LOG_ERR("Rx CB returned %d (> %d) events", nb_cb, num); @@ -1124,6 +1226,30 @@ rxa_poll(struct rte_event_eth_rx_adapter *rx_adapter) return nb_rx; } +static void +rxa_vector_expire(struct eth_rx_vector_data *vec, void *arg) +{ + struct rte_event_eth_rx_adapter *rx_adapter = arg; + struct rte_eth_event_enqueue_buffer *buf = + &rx_adapter->event_enqueue_buffer; + struct rte_event *ev; + + if (buf->count) + rxa_flush_event_buffer(rx_adapter); + + if (vec->vector_ev->nb_elem == 0) + return; + ev = &buf->events[buf->count]; + + /* Event ready. */ + ev->event = vec->event; + ev->vec = vec->vector_ev; + buf->count++; + + vec->vector_ev = NULL; + vec->ts = 0; +} + static int rxa_service_func(void *args) { @@ -1137,6 +1263,24 @@ rxa_service_func(void *args) return 0; } + if (rx_adapter->ena_vector) { + if ((rte_rdtsc() - rx_adapter->prev_expiry_ts) >= + rx_adapter->vector_tmo_ticks) { + struct eth_rx_vector_data *vec; + + TAILQ_FOREACH(vec, &rx_adapter->vector_list, next) { + uint64_t elapsed_time = rte_rdtsc() - vec->ts; + + if (elapsed_time >= vec->vector_timeout_ticks) { + rxa_vector_expire(vec, rx_adapter); + TAILQ_REMOVE(&rx_adapter->vector_list, + vec, next); + } + } + rx_adapter->prev_expiry_ts = rte_rdtsc(); + } + } + stats = &rx_adapter->stats; stats->rx_packets += rxa_intr_ring_dequeue(rx_adapter); stats->rx_packets += rxa_poll(rx_adapter); @@ -1640,6 +1784,28 @@ rxa_update_queue(struct rte_event_eth_rx_adapter *rx_adapter, } } +static void +rxa_set_vector_data(struct eth_rx_queue_info *queue_info, uint16_t vector_count, + uint64_t vector_ns, struct rte_mempool *mp, int32_t qid, + uint16_t port_id) +{ +#define NSEC2TICK(__ns, __freq) (((__ns) * (__freq)) / 1E9) + struct eth_rx_vector_data *vector_data; + uint32_t flow_id; + + vector_data = &queue_info->vector_data; + vector_data->max_vector_count = vector_count; + vector_data->port = port_id; + vector_data->queue = qid; + vector_data->vector_pool = mp; + vector_data->vector_timeout_ticks = + NSEC2TICK(vector_ns, rte_get_timer_hz()); + vector_data->ts = 0; + flow_id = queue_info->event & 0xFFFFF; + flow_id = flow_id == 0 ? (qid & 0xFF) | (port_id & 0xFFFF) : flow_id; + vector_data->event = (queue_info->event & ~0xFFFFF) | flow_id; +} + static void rxa_sw_del(struct rte_event_eth_rx_adapter *rx_adapter, struct eth_device_info *dev_info, @@ -1741,6 +1907,44 @@ rxa_add_queue(struct rte_event_eth_rx_adapter *rx_adapter, } } +static void +rxa_sw_event_vector_configure( + struct rte_event_eth_rx_adapter *rx_adapter, uint16_t eth_dev_id, + int rx_queue_id, + const struct rte_event_eth_rx_adapter_event_vector_config *config) +{ + struct eth_device_info *dev_info = &rx_adapter->eth_devices[eth_dev_id]; + struct eth_rx_queue_info *queue_info; + struct rte_event *qi_ev; + + if (rx_queue_id == -1) { + uint16_t nb_rx_queues; + uint16_t i; + + nb_rx_queues = dev_info->dev->data->nb_rx_queues; + for (i = 0; i < nb_rx_queues; i++) + rxa_sw_event_vector_configure(rx_adapter, eth_dev_id, i, + config); + return; + } + + queue_info = &dev_info->rx_queue[rx_queue_id]; + qi_ev = (struct rte_event *)&queue_info->event; + queue_info->ena_vector = 1; + qi_ev->event_type = RTE_EVENT_TYPE_ETH_RX_ADAPTER_VECTOR; + rxa_set_vector_data(queue_info, config->vector_sz, + config->vector_timeout_ns, config->vector_mp, + rx_queue_id, dev_info->dev->data->port_id); + rx_adapter->ena_vector = 1; + rx_adapter->vector_tmo_ticks = + rx_adapter->vector_tmo_ticks ? + RTE_MIN(config->vector_timeout_ns << 1, + rx_adapter->vector_tmo_ticks) : + config->vector_timeout_ns << 1; + rx_adapter->prev_expiry_ts = 0; + TAILQ_INIT(&rx_adapter->vector_list); +} + static int rxa_sw_add(struct rte_event_eth_rx_adapter *rx_adapter, uint16_t eth_dev_id, int rx_queue_id, @@ -2081,6 +2285,15 @@ rte_event_eth_rx_adapter_queue_add(uint8_t id, return -EINVAL; } + if ((cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_EVENT_VECTOR) == 0 && + (queue_conf->rx_queue_flags & + RTE_EVENT_ETH_RX_ADAPTER_QUEUE_EVENT_VECTOR)) { + RTE_EDEV_LOG_ERR("Event vectorization is not supported," + " eth port: %" PRIu16 " adapter id: %" PRIu8, + eth_dev_id, id); + return -EINVAL; + } + if ((cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ) == 0 && (rx_queue_id != -1)) { RTE_EDEV_LOG_ERR("Rx queues can only be connected to single " @@ -2143,6 +2356,17 @@ rte_event_eth_rx_adapter_queue_add(uint8_t id, return 0; } +static int +rxa_sw_vector_limits(struct rte_event_eth_rx_adapter_vector_limits *limits) +{ + limits->max_sz = MAX_VECTOR_SIZE; + limits->min_sz = MIN_VECTOR_SIZE; + limits->max_timeout_ns = MAX_VECTOR_NS; + limits->min_timeout_ns = MIN_VECTOR_NS; + + return 0; +} + int rte_event_eth_rx_adapter_queue_del(uint8_t id, uint16_t eth_dev_id, int32_t rx_queue_id) @@ -2333,7 +2557,8 @@ rte_event_eth_rx_adapter_queue_event_vector_config( ret = dev->dev_ops->eth_rx_adapter_event_vector_config( dev, &rte_eth_devices[eth_dev_id], rx_queue_id, config); } else { - ret = -ENOTSUP; + rxa_sw_event_vector_configure(rx_adapter, eth_dev_id, + rx_queue_id, config); } return ret; @@ -2371,7 +2596,7 @@ rte_event_eth_rx_adapter_vector_limits_get( ret = dev->dev_ops->eth_rx_adapter_vector_limits_get( dev, &rte_eth_devices[eth_port_id], limits); } else { - ret = -ENOTSUP; + ret = rxa_sw_vector_limits(limits); } return ret; diff --git a/lib/librte_eventdev/rte_eventdev.c b/lib/librte_eventdev/rte_eventdev.c index be0499c52..62824654b 100644 --- a/lib/librte_eventdev/rte_eventdev.c +++ b/lib/librte_eventdev/rte_eventdev.c @@ -122,7 +122,11 @@ rte_event_eth_rx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id, if (caps == NULL) return -EINVAL; - *caps = 0; + + if (dev->dev_ops->eth_rx_adapter_caps_get == NULL) + *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP; + else + *caps = 0; return dev->dev_ops->eth_rx_adapter_caps_get ? (*dev->dev_ops->eth_rx_adapter_caps_get)(dev, -- 2.17.1