app/testpmd: add extended Rx queue setup
[dpdk.git] / app / test-pmd / testpmd.c
index 333904d..00cffae 100644 (file)
@@ -186,7 +186,7 @@ struct fwd_engine * fwd_engines[] = {
        NULL,
 };
 
-struct rte_mempool *mempools[RTE_MAX_NUMA_NODES];
+struct rte_mempool *mempools[RTE_MAX_NUMA_NODES * MAX_SEGS_BUFFER_SPLIT];
 uint16_t mempool_flags;
 
 struct fwd_config cur_fwd_config;
@@ -195,7 +195,10 @@ uint32_t retry_enabled;
 uint32_t burst_tx_delay_time = BURST_TX_WAIT_US;
 uint32_t burst_tx_retry_num = BURST_TX_RETRIES;
 
-uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */
+uint32_t mbuf_data_size_n = 1; /* Number of specified mbuf sizes. */
+uint16_t mbuf_data_size[MAX_SEGS_BUFFER_SPLIT] = {
+       DEFAULT_MBUF_DATA_SIZE
+}; /**< Mbuf data space size. */
 uint32_t param_total_num_mbufs = 0;  /**< number of mbufs in all pools - if
                                       * specified on command-line. */
 uint16_t stats_period; /**< Period to show statistics (disabled by default) */
@@ -206,6 +209,15 @@ uint16_t stats_period; /**< Period to show statistics (disabled by default) */
  */
 uint8_t f_quit;
 
+/*
+ * Configuration of packet segments used to scatter received packets
+ * if some of split features is configured.
+ */
+uint16_t rx_pkt_seg_lengths[MAX_SEGS_BUFFER_SPLIT];
+uint8_t  rx_pkt_nb_segs; /**< Number of segments to split */
+uint16_t rx_pkt_seg_offsets[MAX_SEGS_BUFFER_SPLIT];
+uint8_t  rx_pkt_nb_offs; /**< Number of specified offsets */
+
 /*
  * Configuration of packet segments used by the "txonly" processing engine.
  */
@@ -958,14 +970,14 @@ setup_extbuf(uint32_t nb_mbufs, uint16_t mbuf_sz, unsigned int socket_id,
  */
 static struct rte_mempool *
 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
-                unsigned int socket_id)
+                unsigned int socket_id, uint16_t size_idx)
 {
        char pool_name[RTE_MEMPOOL_NAMESIZE];
        struct rte_mempool *rte_mp = NULL;
        uint32_t mb_size;
 
        mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size;
-       mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name));
+       mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name), size_idx);
 
        TESTPMD_LOG(INFO,
                "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
@@ -1488,8 +1500,8 @@ init_config(void)
                                port->dev_info.rx_desc_lim.nb_mtu_seg_max;
 
                        if ((data_size + RTE_PKTMBUF_HEADROOM) >
-                                                       mbuf_data_size) {
-                               mbuf_data_size = data_size +
+                                                       mbuf_data_size[0]) {
+                               mbuf_data_size[0] = data_size +
                                                 RTE_PKTMBUF_HEADROOM;
                                warning = 1;
                        }
@@ -1497,9 +1509,9 @@ init_config(void)
        }
 
        if (warning)
-               TESTPMD_LOG(WARNING, "Configured mbuf size %hu\n",
-                           mbuf_data_size);
-
+               TESTPMD_LOG(WARNING,
+                           "Configured mbuf size of the first segment %hu\n",
+                           mbuf_data_size[0]);
        /*
         * Create pools of mbuf.
         * If NUMA support is disabled, create a single pool of mbuf in
@@ -1519,21 +1531,23 @@ init_config(void)
        }
 
        if (numa_support) {
-               uint8_t i;
+               uint8_t i, j;
 
                for (i = 0; i < num_sockets; i++)
-                       mempools[i] = mbuf_pool_create(mbuf_data_size,
-                                                      nb_mbuf_per_pool,
-                                                      socket_ids[i]);
+                       for (j = 0; j < mbuf_data_size_n; j++)
+                               mempools[i * MAX_SEGS_BUFFER_SPLIT + j] =
+                                       mbuf_pool_create(mbuf_data_size[j],
+                                                         nb_mbuf_per_pool,
+                                                         socket_ids[i], j);
        } else {
-               if (socket_num == UMA_NO_CONFIG)
-                       mempools[0] = mbuf_pool_create(mbuf_data_size,
-                                                      nb_mbuf_per_pool, 0);
-               else
-                       mempools[socket_num] = mbuf_pool_create
-                                                       (mbuf_data_size,
-                                                        nb_mbuf_per_pool,
-                                                        socket_num);
+               uint8_t i;
+
+               for (i = 0; i < mbuf_data_size_n; i++)
+                       mempools[i] = mbuf_pool_create
+                                       (mbuf_data_size[i],
+                                        nb_mbuf_per_pool,
+                                        socket_num == UMA_NO_CONFIG ?
+                                        0 : socket_num, i);
        }
 
        init_port_config();
@@ -1545,10 +1559,10 @@ init_config(void)
         */
        for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
                mbp = mbuf_pool_find(
-                       rte_lcore_to_socket_id(fwd_lcores_cpuids[lc_id]));
+                       rte_lcore_to_socket_id(fwd_lcores_cpuids[lc_id]), 0);
 
                if (mbp == NULL)
-                       mbp = mbuf_pool_find(0);
+                       mbp = mbuf_pool_find(0, 0);
                fwd_lcores[lc_id]->mbp = mbp;
                /* initialize GSO context */
                fwd_lcores[lc_id]->gso_ctx.direct_pool = mbp;
@@ -2444,6 +2458,51 @@ setup_hairpin_queues(portid_t pi, portid_t p_pi, uint16_t cnt_pi)
        return 0;
 }
 
+/* Configure the Rx with optional split. */
+int
+rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
+              uint16_t nb_rx_desc, unsigned int socket_id,
+              struct rte_eth_rxconf *rx_conf, struct rte_mempool *mp)
+{
+       union rte_eth_rxseg rx_useg[MAX_SEGS_BUFFER_SPLIT] = {};
+       unsigned int i, mp_n;
+       int ret;
+
+       if (rx_pkt_nb_segs <= 1 ||
+           (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) == 0) {
+               rx_conf->rx_seg = NULL;
+               rx_conf->rx_nseg = 0;
+               ret = rte_eth_rx_queue_setup(port_id, rx_queue_id,
+                                            nb_rx_desc, socket_id,
+                                            rx_conf, mp);
+               return ret;
+       }
+       for (i = 0; i < rx_pkt_nb_segs; i++) {
+               struct rte_eth_rxseg_split *rx_seg = &rx_useg[i].split;
+               struct rte_mempool *mpx;
+               /*
+                * Use last valid pool for the segments with number
+                * exceeding the pool index.
+                */
+               mp_n = (i > mbuf_data_size_n) ? mbuf_data_size_n - 1 : i;
+               mpx = mbuf_pool_find(socket_id, mp_n);
+               /* Handle zero as mbuf data buffer size. */
+               rx_seg->length = rx_pkt_seg_lengths[i] ?
+                                  rx_pkt_seg_lengths[i] :
+                                  mbuf_data_size[mp_n];
+               rx_seg->offset = i < rx_pkt_nb_offs ?
+                                  rx_pkt_seg_offsets[i] : 0;
+               rx_seg->mp = mpx ? mpx : mp;
+       }
+       rx_conf->rx_nseg = rx_pkt_nb_segs;
+       rx_conf->rx_seg = rx_useg;
+       ret = rte_eth_rx_queue_setup(port_id, rx_queue_id, nb_rx_desc,
+                                   socket_id, rx_conf, NULL);
+       rx_conf->rx_seg = NULL;
+       rx_conf->rx_nseg = 0;
+       return ret;
+}
+
 int
 start_port(portid_t pid)
 {
@@ -2548,7 +2607,8 @@ start_port(portid_t pid)
                                if ((numa_support) &&
                                        (rxring_numa[pi] != NUMA_NO_CONFIG)) {
                                        struct rte_mempool * mp =
-                                               mbuf_pool_find(rxring_numa[pi]);
+                                               mbuf_pool_find
+                                                       (rxring_numa[pi], 0);
                                        if (mp == NULL) {
                                                printf("Failed to setup RX queue:"
                                                        "No mempool allocation"
@@ -2557,14 +2617,15 @@ start_port(portid_t pid)
                                                return -1;
                                        }
 
-                                       diag = rte_eth_rx_queue_setup(pi, qi,
+                                       diag = rx_queue_setup(pi, qi,
                                             port->nb_rx_desc[qi],
                                             rxring_numa[pi],
                                             &(port->rx_conf[qi]),
                                             mp);
                                } else {
                                        struct rte_mempool *mp =
-                                               mbuf_pool_find(port->socket_id);
+                                               mbuf_pool_find
+                                                       (port->socket_id, 0);
                                        if (mp == NULL) {
                                                printf("Failed to setup RX queue:"
                                                        "No mempool allocation"
@@ -2572,7 +2633,7 @@ start_port(portid_t pid)
                                                        port->socket_id);
                                                return -1;
                                        }
-                                       diag = rte_eth_rx_queue_setup(pi, qi,
+                                       diag = rx_queue_setup(pi, qi,
                                             port->nb_rx_desc[qi],
                                             port->socket_id,
                                             &(port->rx_conf[qi]),
@@ -3026,13 +3087,13 @@ void
 pmd_test_exit(void)
 {
        portid_t pt_id;
+       unsigned int i;
        int ret;
-       int i;
 
        if (test_done == 0)
                stop_packet_forwarding();
 
-       for (i = 0 ; i < RTE_MAX_NUMA_NODES ; i++) {
+       for (i = 0 ; i < RTE_DIM(mempools) ; i++) {
                if (mempools[i]) {
                        if (mp_alloc_type == MP_ALLOC_ANON)
                                rte_mempool_mem_iter(mempools[i], dma_unmap_cb,
@@ -3076,7 +3137,7 @@ pmd_test_exit(void)
                        return;
                }
        }
-       for (i = 0 ; i < RTE_MAX_NUMA_NODES ; i++) {
+       for (i = 0 ; i < RTE_DIM(mempools) ; i++) {
                if (mempools[i])
                        rte_mempool_free(mempools[i]);
        }