#include <cmdline.h>
#include <rte_common.h>
#include <rte_rawdev.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
#include <rte_lcore.h>
+#include <rte_cycles.h>
+#include <rte_pmd_ntb.h>
-#define NTB_DRV_NAME_LEN 7
-static uint64_t max_file_size = 0x400000;
+/* Per-port statistics struct */
+struct ntb_port_statistics {
+ uint64_t tx;
+ uint64_t rx;
+} __rte_cache_aligned;
+/* Port 0: NTB dev, Port 1: ethdev when iofwd. */
+struct ntb_port_statistics ntb_port_stats[2];
+
+struct ntb_fwd_stream {
+ uint16_t tx_port;
+ uint16_t rx_port;
+ uint16_t qp_id;
+ uint8_t tx_ntb; /* If ntb device is tx port. */
+};
+
+struct ntb_fwd_lcore_conf {
+ uint16_t stream_id;
+ uint16_t nb_stream;
+ uint8_t stopped;
+};
+
+enum ntb_fwd_mode {
+ FILE_TRANS = 0,
+ RXONLY,
+ TXONLY,
+ IOFWD,
+ MAX_FWD_MODE,
+};
+static const char *const fwd_mode_s[] = {
+ "file-trans",
+ "rxonly",
+ "txonly",
+ "iofwd",
+ NULL,
+};
+static enum ntb_fwd_mode fwd_mode = MAX_FWD_MODE;
+
+static struct ntb_fwd_lcore_conf fwd_lcore_conf[RTE_MAX_LCORE];
+static struct ntb_fwd_stream *fwd_streams;
+
+static struct rte_mempool *mbuf_pool;
+
+#define NTB_DRV_NAME_LEN 7
+#define MEMPOOL_CACHE_SIZE 256
+
+static uint8_t in_test;
static uint8_t interactive = 1;
+static uint16_t eth_port_id = RTE_MAX_ETHPORTS;
static uint16_t dev_id;
+/* Number of queues, default set as 1 */
+static uint16_t num_queues = 1;
+static uint16_t ntb_buf_size = RTE_MBUF_DEFAULT_BUF_SIZE;
+
+/* Configurable number of descriptors */
+#define NTB_DEFAULT_NUM_DESCS 1024
+static uint16_t nb_desc = NTB_DEFAULT_NUM_DESCS;
+
+static uint16_t tx_free_thresh;
+
+#define NTB_MAX_PKT_BURST 32
+#define NTB_DFLT_PKT_BURST 32
+static uint16_t pkt_burst = NTB_DFLT_PKT_BURST;
+
+#define BURST_TX_RETRIES 64
+
+static struct rte_eth_conf eth_port_conf = {
+ .rxmode = {
+ .mq_mode = ETH_MQ_RX_RSS,
+ .split_hdr_size = 0,
+ },
+ .rx_adv_conf = {
+ .rss_conf = {
+ .rss_key = NULL,
+ .rss_hf = ETH_RSS_IP,
+ },
+ },
+ .txmode = {
+ .mq_mode = ETH_MQ_TX_NONE,
+ },
+};
+
/* *** Help command with introduction. *** */
struct cmd_help_result {
cmdline_fixed_string_t help;
};
-static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
- struct cmdline *cl,
- __attribute__((unused)) void *data)
+static void
+cmd_help_parsed(__attribute__((unused)) void *parsed_result,
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
{
cmdline_printf(
cl,
"Control:\n"
" quit :"
" Quit the application.\n"
- "\nFile transmit:\n"
+ "\nTransmission:\n"
" send [path] :"
- " Send [path] file. (No more than %"PRIu64")\n"
- " recv [path] :"
- " Receive file to [path]. Make sure sending is done"
- " on the other side.\n",
- max_file_size
+ " Send [path] file. Only take effect in file-trans mode\n"
+ " start :"
+ " Start transmissions.\n"
+ " stop :"
+ " Stop transmissions.\n"
+ " clear/show port stats :"
+ " Clear/show port stats.\n"
+ " set fwd file-trans/rxonly/txonly/iofwd :"
+ " Set packet forwarding mode.\n"
);
}
cmdline_fixed_string_t quit;
};
-static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
- struct cmdline *cl,
- __attribute__((unused)) void *data)
+static void
+cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
{
+ struct ntb_fwd_lcore_conf *conf;
+ uint8_t lcore_id;
+
+ /* Stop transmission first. */
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ conf = &fwd_lcore_conf[lcore_id];
+
+ if (!conf->nb_stream)
+ continue;
+
+ if (conf->stopped)
+ continue;
+
+ conf->stopped = 1;
+ }
+ printf("\nWaiting for lcores to finish...\n");
+ rte_eal_mp_wait_lcore();
+ in_test = 0;
+
/* Stop traffic and Close port. */
rte_rawdev_stop(dev_id);
rte_rawdev_close(dev_id);
+ if (eth_port_id < RTE_MAX_ETHPORTS && fwd_mode == IOFWD) {
+ rte_eth_dev_stop(eth_port_id);
+ rte_eth_dev_close(eth_port_id);
+ }
cmdline_quit(cl);
}
__attribute__((unused)) void *data)
{
struct cmd_sendfile_result *res = parsed_result;
- struct rte_rawdev_buf *pkts_send[1];
- uint64_t rsize, size, link;
- uint8_t *buff;
+ struct rte_rawdev_buf *pkts_send[NTB_MAX_PKT_BURST];
+ struct rte_mbuf *mbuf_send[NTB_MAX_PKT_BURST];
+ uint64_t size, count, i, nb_burst;
+ uint16_t nb_tx, buf_size;
+ unsigned int nb_pkt;
+ size_t queue_id = 0;
+ uint16_t retry = 0;
uint32_t val;
FILE *file;
- if (!rte_rawdevs[dev_id].started) {
- printf("Device needs to be up first. Try later.\n");
- return;
- }
-
- rte_rawdev_get_attr(dev_id, "link_status", &link);
- if (!link) {
- printf("Link is not up, cannot send file.\n");
- return;
+ if (num_queues != 1) {
+ printf("File transmission only supports 1 queue.\n");
+ num_queues = 1;
}
file = fopen(res->filepath, "r");
if (fseek(file, 0, SEEK_END) < 0) {
printf("Fail to get file size.\n");
+ fclose(file);
return;
}
size = ftell(file);
if (fseek(file, 0, SEEK_SET) < 0) {
printf("Fail to get file size.\n");
- return;
- }
-
- /**
- * No FIFO now. Only test memory. Limit sending file
- * size <= max_file_size.
- */
- if (size > max_file_size) {
- printf("Warning: The file is too large. Only send first"
- " %"PRIu64" bits.\n", max_file_size);
- size = max_file_size;
- }
-
- buff = (uint8_t *)malloc(size);
- rsize = fread(buff, size, 1, file);
- if (rsize != 1) {
- printf("Fail to read file.\n");
fclose(file);
- free(buff);
return;
}
rte_rawdev_set_attr(dev_id, "spad_user_0", val);
val = size;
rte_rawdev_set_attr(dev_id, "spad_user_1", val);
+ printf("Sending file, size is %"PRIu64"\n", size);
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ pkts_send[i] = (struct rte_rawdev_buf *)
+ malloc(sizeof(struct rte_rawdev_buf));
+
+ buf_size = ntb_buf_size - RTE_PKTMBUF_HEADROOM;
+ count = (size + buf_size - 1) / buf_size;
+ nb_burst = (count + pkt_burst - 1) / pkt_burst;
- pkts_send[0] = (struct rte_rawdev_buf *)malloc
- (sizeof(struct rte_rawdev_buf));
- pkts_send[0]->buf_addr = buff;
+ for (i = 0; i < nb_burst; i++) {
+ val = RTE_MIN(count, pkt_burst);
+ if (rte_mempool_get_bulk(mbuf_pool, (void **)mbuf_send,
+ val) == 0) {
+ for (nb_pkt = 0; nb_pkt < val; nb_pkt++) {
+ mbuf_send[nb_pkt]->port = dev_id;
+ mbuf_send[nb_pkt]->data_len =
+ fread(rte_pktmbuf_mtod(mbuf_send[nb_pkt],
+ void *), 1, buf_size, file);
+ mbuf_send[nb_pkt]->pkt_len =
+ mbuf_send[nb_pkt]->data_len;
+ pkts_send[nb_pkt]->buf_addr = mbuf_send[nb_pkt];
+ }
+ } else {
+ for (nb_pkt = 0; nb_pkt < val; nb_pkt++) {
+ mbuf_send[nb_pkt] =
+ rte_mbuf_raw_alloc(mbuf_pool);
+ if (mbuf_send[nb_pkt] == NULL)
+ break;
+ mbuf_send[nb_pkt]->port = dev_id;
+ mbuf_send[nb_pkt]->data_len =
+ fread(rte_pktmbuf_mtod(mbuf_send[nb_pkt],
+ void *), 1, buf_size, file);
+ mbuf_send[nb_pkt]->pkt_len =
+ mbuf_send[nb_pkt]->data_len;
+ pkts_send[nb_pkt]->buf_addr = mbuf_send[nb_pkt];
+ }
+ }
- if (rte_rawdev_enqueue_buffers(dev_id, pkts_send, 1,
- (void *)(size_t)size)) {
- printf("Fail to enqueue.\n");
- goto clean;
+ nb_tx = rte_rawdev_enqueue_buffers(dev_id, pkts_send, nb_pkt,
+ (void *)queue_id);
+ while (nb_tx != nb_pkt && retry < BURST_TX_RETRIES) {
+ rte_delay_us(1);
+ nb_tx += rte_rawdev_enqueue_buffers(dev_id,
+ &pkts_send[nb_tx], nb_pkt - nb_tx,
+ (void *)queue_id);
+ }
+ count -= nb_pkt;
}
+ /* Clear register after file sending done. */
+ rte_rawdev_set_attr(dev_id, "spad_user_0", 0);
+ rte_rawdev_set_attr(dev_id, "spad_user_1", 0);
printf("Done sending file.\n");
-clean:
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ free(pkts_send[i]);
fclose(file);
- free(buff);
- free(pkts_send[0]);
}
cmdline_parse_token_string_t cmd_send_file_send =
},
};
-/* *** RECEIVE FILE PARAMETERS *** */
-struct cmd_recvfile_result {
- cmdline_fixed_string_t recv_string;
- char filepath[];
-};
+#define RECV_FILE_LEN 30
+static int
+start_polling_recv_file(void *param)
+{
+ struct rte_rawdev_buf *pkts_recv[NTB_MAX_PKT_BURST];
+ struct ntb_fwd_lcore_conf *conf = param;
+ struct rte_mbuf *mbuf;
+ char filepath[RECV_FILE_LEN];
+ uint64_t val, size, file_len;
+ uint16_t nb_rx, i, file_no;
+ size_t queue_id = 0;
+ FILE *file;
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ pkts_recv[i] = (struct rte_rawdev_buf *)
+ malloc(sizeof(struct rte_rawdev_buf));
+
+ file_no = 0;
+ while (!conf->stopped) {
+ snprintf(filepath, RECV_FILE_LEN, "ntb_recv_file%d", file_no);
+ file = fopen(filepath, "w");
+ if (file == NULL) {
+ printf("Fail to open the file.\n");
+ return -EINVAL;
+ }
+
+ rte_rawdev_get_attr(dev_id, "spad_user_0", &val);
+ size = val << 32;
+ rte_rawdev_get_attr(dev_id, "spad_user_1", &val);
+ size |= val;
+
+ if (!size) {
+ fclose(file);
+ continue;
+ }
+
+ file_len = 0;
+ nb_rx = NTB_MAX_PKT_BURST;
+ while (file_len < size && !conf->stopped) {
+ nb_rx = rte_rawdev_dequeue_buffers(dev_id, pkts_recv,
+ pkt_burst, (void *)queue_id);
+ ntb_port_stats[0].rx += nb_rx;
+ for (i = 0; i < nb_rx; i++) {
+ mbuf = pkts_recv[i]->buf_addr;
+ fwrite(rte_pktmbuf_mtod(mbuf, void *), 1,
+ mbuf->data_len, file);
+ file_len += mbuf->data_len;
+ rte_pktmbuf_free(mbuf);
+ pkts_recv[i]->buf_addr = NULL;
+ }
+ }
+
+ printf("Received file (size: %" PRIu64 ") from peer to %s.\n",
+ size, filepath);
+ fclose(file);
+ file_no++;
+ }
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ free(pkts_recv[i]);
+ return 0;
+}
+
+static int
+start_iofwd_per_lcore(void *param)
+{
+ struct rte_rawdev_buf *ntb_buf[NTB_MAX_PKT_BURST];
+ struct rte_mbuf *pkts_burst[NTB_MAX_PKT_BURST];
+ struct ntb_fwd_lcore_conf *conf = param;
+ struct ntb_fwd_stream fs;
+ uint16_t nb_rx, nb_tx;
+ int i, j;
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ ntb_buf[i] = (struct rte_rawdev_buf *)
+ malloc(sizeof(struct rte_rawdev_buf));
+
+ while (!conf->stopped) {
+ for (i = 0; i < conf->nb_stream; i++) {
+ fs = fwd_streams[conf->stream_id + i];
+ if (fs.tx_ntb) {
+ nb_rx = rte_eth_rx_burst(fs.rx_port,
+ fs.qp_id, pkts_burst,
+ pkt_burst);
+ if (unlikely(nb_rx == 0))
+ continue;
+ for (j = 0; j < nb_rx; j++)
+ ntb_buf[j]->buf_addr = pkts_burst[j];
+ nb_tx =
+ rte_rawdev_enqueue_buffers(fs.tx_port,
+ ntb_buf, nb_rx,
+ (void *)(size_t)fs.qp_id);
+ ntb_port_stats[0].tx += nb_tx;
+ ntb_port_stats[1].rx += nb_rx;
+ } else {
+ nb_rx =
+ rte_rawdev_dequeue_buffers(fs.rx_port,
+ ntb_buf, pkt_burst,
+ (void *)(size_t)fs.qp_id);
+ if (unlikely(nb_rx == 0))
+ continue;
+ for (j = 0; j < nb_rx; j++)
+ pkts_burst[j] = ntb_buf[j]->buf_addr;
+ nb_tx = rte_eth_tx_burst(fs.tx_port,
+ fs.qp_id, pkts_burst, nb_rx);
+ ntb_port_stats[1].tx += nb_tx;
+ ntb_port_stats[0].rx += nb_rx;
+ }
+ if (unlikely(nb_tx < nb_rx)) {
+ do {
+ rte_pktmbuf_free(pkts_burst[nb_tx]);
+ } while (++nb_tx < nb_rx);
+ }
+ }
+ }
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ free(ntb_buf[i]);
+
+ return 0;
+}
+
+static int
+start_rxonly_per_lcore(void *param)
+{
+ struct rte_rawdev_buf *ntb_buf[NTB_MAX_PKT_BURST];
+ struct ntb_fwd_lcore_conf *conf = param;
+ struct ntb_fwd_stream fs;
+ uint16_t nb_rx;
+ int i, j;
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ ntb_buf[i] = (struct rte_rawdev_buf *)
+ malloc(sizeof(struct rte_rawdev_buf));
+
+ while (!conf->stopped) {
+ for (i = 0; i < conf->nb_stream; i++) {
+ fs = fwd_streams[conf->stream_id + i];
+ nb_rx = rte_rawdev_dequeue_buffers(fs.rx_port,
+ ntb_buf, pkt_burst, (void *)(size_t)fs.qp_id);
+ if (unlikely(nb_rx == 0))
+ continue;
+ ntb_port_stats[0].rx += nb_rx;
+
+ for (j = 0; j < nb_rx; j++)
+ rte_pktmbuf_free(ntb_buf[j]->buf_addr);
+ }
+ }
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ free(ntb_buf[i]);
+
+ return 0;
+}
+
+
+static int
+start_txonly_per_lcore(void *param)
+{
+ struct rte_rawdev_buf *ntb_buf[NTB_MAX_PKT_BURST];
+ struct rte_mbuf *pkts_burst[NTB_MAX_PKT_BURST];
+ struct ntb_fwd_lcore_conf *conf = param;
+ struct ntb_fwd_stream fs;
+ uint16_t nb_pkt, nb_tx;
+ int i;
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ ntb_buf[i] = (struct rte_rawdev_buf *)
+ malloc(sizeof(struct rte_rawdev_buf));
+
+ while (!conf->stopped) {
+ for (i = 0; i < conf->nb_stream; i++) {
+ fs = fwd_streams[conf->stream_id + i];
+ if (rte_mempool_get_bulk(mbuf_pool, (void **)pkts_burst,
+ pkt_burst) == 0) {
+ for (nb_pkt = 0; nb_pkt < pkt_burst; nb_pkt++) {
+ pkts_burst[nb_pkt]->port = dev_id;
+ pkts_burst[nb_pkt]->data_len =
+ pkts_burst[nb_pkt]->buf_len -
+ RTE_PKTMBUF_HEADROOM;
+ pkts_burst[nb_pkt]->pkt_len =
+ pkts_burst[nb_pkt]->data_len;
+ ntb_buf[nb_pkt]->buf_addr =
+ pkts_burst[nb_pkt];
+ }
+ } else {
+ for (nb_pkt = 0; nb_pkt < pkt_burst; nb_pkt++) {
+ pkts_burst[nb_pkt] =
+ rte_pktmbuf_alloc(mbuf_pool);
+ if (pkts_burst[nb_pkt] == NULL)
+ break;
+ pkts_burst[nb_pkt]->port = dev_id;
+ pkts_burst[nb_pkt]->data_len =
+ pkts_burst[nb_pkt]->buf_len -
+ RTE_PKTMBUF_HEADROOM;
+ pkts_burst[nb_pkt]->pkt_len =
+ pkts_burst[nb_pkt]->data_len;
+ ntb_buf[nb_pkt]->buf_addr =
+ pkts_burst[nb_pkt];
+ }
+ }
+ nb_tx = rte_rawdev_enqueue_buffers(fs.tx_port,
+ ntb_buf, nb_pkt, (void *)(size_t)fs.qp_id);
+ ntb_port_stats[0].tx += nb_tx;
+ if (unlikely(nb_tx < nb_pkt)) {
+ do {
+ rte_pktmbuf_free(
+ ntb_buf[nb_tx]->buf_addr);
+ } while (++nb_tx < nb_pkt);
+ }
+ }
+ }
+
+ for (i = 0; i < NTB_MAX_PKT_BURST; i++)
+ free(ntb_buf[i]);
+
+ return 0;
+}
+
+static int
+ntb_fwd_config_setup(void)
+{
+ uint16_t i;
+
+ /* Make sure iofwd has valid ethdev. */
+ if (fwd_mode == IOFWD && eth_port_id >= RTE_MAX_ETHPORTS) {
+ printf("No ethdev, cannot be in iofwd mode.");
+ return -EINVAL;
+ }
+
+ if (fwd_mode == IOFWD) {
+ fwd_streams = rte_zmalloc("ntb_fwd: fwd_streams",
+ sizeof(struct ntb_fwd_stream) * num_queues * 2,
+ RTE_CACHE_LINE_SIZE);
+ for (i = 0; i < num_queues; i++) {
+ fwd_streams[i * 2].qp_id = i;
+ fwd_streams[i * 2].tx_port = dev_id;
+ fwd_streams[i * 2].rx_port = eth_port_id;
+ fwd_streams[i * 2].tx_ntb = 1;
+
+ fwd_streams[i * 2 + 1].qp_id = i;
+ fwd_streams[i * 2 + 1].tx_port = eth_port_id;
+ fwd_streams[i * 2 + 1].rx_port = dev_id;
+ fwd_streams[i * 2 + 1].tx_ntb = 0;
+ }
+ return 0;
+ }
+
+ if (fwd_mode == RXONLY || fwd_mode == FILE_TRANS) {
+ /* Only support 1 queue in file-trans for in order. */
+ if (fwd_mode == FILE_TRANS)
+ num_queues = 1;
+
+ fwd_streams = rte_zmalloc("ntb_fwd: fwd_streams",
+ sizeof(struct ntb_fwd_stream) * num_queues,
+ RTE_CACHE_LINE_SIZE);
+ for (i = 0; i < num_queues; i++) {
+ fwd_streams[i].qp_id = i;
+ fwd_streams[i].tx_port = RTE_MAX_ETHPORTS;
+ fwd_streams[i].rx_port = dev_id;
+ fwd_streams[i].tx_ntb = 0;
+ }
+ return 0;
+ }
+
+ if (fwd_mode == TXONLY) {
+ fwd_streams = rte_zmalloc("ntb_fwd: fwd_streams",
+ sizeof(struct ntb_fwd_stream) * num_queues,
+ RTE_CACHE_LINE_SIZE);
+ for (i = 0; i < num_queues; i++) {
+ fwd_streams[i].qp_id = i;
+ fwd_streams[i].tx_port = dev_id;
+ fwd_streams[i].rx_port = RTE_MAX_ETHPORTS;
+ fwd_streams[i].tx_ntb = 1;
+ }
+ }
+ return 0;
+}
static void
-cmd_recvfile_parsed(void *parsed_result,
- __attribute__((unused)) struct cmdline *cl,
- __attribute__((unused)) void *data)
+assign_stream_to_lcores(void)
{
- struct cmd_sendfile_result *res = parsed_result;
- struct rte_rawdev_buf *pkts_recv[1];
- uint8_t *buff;
- uint64_t val;
- size_t size;
- FILE *file;
+ struct ntb_fwd_lcore_conf *conf;
+ struct ntb_fwd_stream *fs;
+ uint16_t nb_streams, sm_per_lcore, sm_id, i;
+ uint8_t lcore_id, lcore_num, nb_extra;
- if (!rte_rawdevs[dev_id].started) {
- printf("Device needs to be up first. Try later.\n");
- return;
+ lcore_num = rte_lcore_count();
+ /* Exclude master core */
+ lcore_num--;
+
+ nb_streams = (fwd_mode == IOFWD) ? num_queues * 2 : num_queues;
+
+ sm_per_lcore = nb_streams / lcore_num;
+ nb_extra = nb_streams % lcore_num;
+ sm_id = 0;
+ i = 0;
+
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ conf = &fwd_lcore_conf[lcore_id];
+
+ if (i < nb_extra) {
+ conf->nb_stream = sm_per_lcore + 1;
+ conf->stream_id = sm_id;
+ sm_id = sm_id + sm_per_lcore + 1;
+ } else {
+ conf->nb_stream = sm_per_lcore;
+ conf->stream_id = sm_id;
+ sm_id = sm_id + sm_per_lcore;
+ }
+
+ i++;
+ if (sm_id >= nb_streams)
+ break;
+ }
+
+ /* Print packet forwading config. */
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ conf = &fwd_lcore_conf[lcore_id];
+
+ if (!conf->nb_stream)
+ continue;
+
+ printf("Streams on Lcore %u :\n", lcore_id);
+ for (i = 0; i < conf->nb_stream; i++) {
+ fs = &fwd_streams[conf->stream_id + i];
+ if (fwd_mode == IOFWD)
+ printf(" + Stream %u : %s%u RX -> %s%u TX,"
+ " Q=%u\n", conf->stream_id + i,
+ fs->tx_ntb ? "Eth" : "NTB", fs->rx_port,
+ fs->tx_ntb ? "NTB" : "Eth", fs->tx_port,
+ fs->qp_id);
+ if (fwd_mode == FILE_TRANS || fwd_mode == RXONLY)
+ printf(" + Stream %u : %s%u RX only\n",
+ conf->stream_id, "NTB", fs->rx_port);
+ if (fwd_mode == TXONLY)
+ printf(" + Stream %u : %s%u TX only\n",
+ conf->stream_id, "NTB", fs->tx_port);
+ }
}
+}
- rte_rawdev_get_attr(dev_id, "link_status", &val);
- if (!val) {
- printf("Link is not up, cannot receive file.\n");
+static void
+start_pkt_fwd(void)
+{
+ struct ntb_fwd_lcore_conf *conf;
+ struct rte_eth_link eth_link;
+ uint8_t lcore_id;
+ int ret, i;
+
+ ret = ntb_fwd_config_setup();
+ if (ret < 0) {
+ printf("Cannot start traffic. Please reset fwd mode.\n");
return;
}
- file = fopen(res->filepath, "w");
- if (file == NULL) {
- printf("Fail to open the file.\n");
+ /* If using iofwd, checking ethdev link status first. */
+ if (fwd_mode == IOFWD) {
+ printf("Checking eth link status...\n");
+ /* Wait for eth link up at most 100 times. */
+ for (i = 0; i < 100; i++) {
+ rte_eth_link_get(eth_port_id, ð_link);
+ if (eth_link.link_status) {
+ printf("Eth%u Link Up. Speed %u Mbps - %s\n",
+ eth_port_id, eth_link.link_speed,
+ (eth_link.link_duplex ==
+ ETH_LINK_FULL_DUPLEX) ?
+ ("full-duplex") : ("half-duplex"));
+ break;
+ }
+ }
+ if (!eth_link.link_status) {
+ printf("Eth%u link down. Cannot start traffic.\n",
+ eth_port_id);
+ return;
+ }
+ }
+
+ assign_stream_to_lcores();
+ in_test = 1;
+
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ conf = &fwd_lcore_conf[lcore_id];
+
+ if (!conf->nb_stream)
+ continue;
+
+ conf->stopped = 0;
+ if (fwd_mode == FILE_TRANS)
+ rte_eal_remote_launch(start_polling_recv_file,
+ conf, lcore_id);
+ else if (fwd_mode == IOFWD)
+ rte_eal_remote_launch(start_iofwd_per_lcore,
+ conf, lcore_id);
+ else if (fwd_mode == RXONLY)
+ rte_eal_remote_launch(start_rxonly_per_lcore,
+ conf, lcore_id);
+ else if (fwd_mode == TXONLY)
+ rte_eal_remote_launch(start_txonly_per_lcore,
+ conf, lcore_id);
+ }
+}
+
+/* *** START FWD PARAMETERS *** */
+struct cmd_start_result {
+ cmdline_fixed_string_t start;
+};
+
+static void
+cmd_start_parsed(__attribute__((unused)) void *parsed_result,
+ __attribute__((unused)) struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ start_pkt_fwd();
+}
+
+cmdline_parse_token_string_t cmd_start_start =
+ TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
+
+cmdline_parse_inst_t cmd_start = {
+ .f = cmd_start_parsed,
+ .data = NULL,
+ .help_str = "start pkt fwd between ntb and ethdev",
+ .tokens = {
+ (void *)&cmd_start_start,
+ NULL,
+ },
+};
+
+/* *** STOP *** */
+struct cmd_stop_result {
+ cmdline_fixed_string_t stop;
+};
+
+static void
+cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
+ __attribute__((unused)) struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ struct ntb_fwd_lcore_conf *conf;
+ uint8_t lcore_id;
+
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ conf = &fwd_lcore_conf[lcore_id];
+
+ if (!conf->nb_stream)
+ continue;
+
+ if (conf->stopped)
+ continue;
+
+ conf->stopped = 1;
+ }
+ printf("\nWaiting for lcores to finish...\n");
+ rte_eal_mp_wait_lcore();
+ in_test = 0;
+ printf("\nDone.\n");
+}
+
+cmdline_parse_token_string_t cmd_stop_stop =
+ TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
+
+cmdline_parse_inst_t cmd_stop = {
+ .f = cmd_stop_parsed,
+ .data = NULL,
+ .help_str = "stop: Stop packet forwarding",
+ .tokens = {
+ (void *)&cmd_stop_stop,
+ NULL,
+ },
+};
+
+static void
+ntb_stats_clear(void)
+{
+ int nb_ids, i;
+ uint32_t *ids;
+
+ /* Clear NTB dev stats */
+ nb_ids = rte_rawdev_xstats_names_get(dev_id, NULL, 0);
+ if (nb_ids < 0) {
+ printf("Error: Cannot get count of xstats\n");
return;
}
+ ids = malloc(sizeof(uint32_t) * nb_ids);
+ for (i = 0; i < nb_ids; i++)
+ ids[i] = i;
+ rte_rawdev_xstats_reset(dev_id, ids, nb_ids);
+ printf("\n statistics for NTB port %d cleared\n", dev_id);
+
+ /* Clear Ethdev stats if have any */
+ if (fwd_mode == IOFWD && eth_port_id != RTE_MAX_ETHPORTS) {
+ rte_eth_stats_reset(eth_port_id);
+ printf("\n statistics for ETH port %d cleared\n", eth_port_id);
+ }
+}
+
+static inline void
+ntb_calculate_throughput(uint16_t port) {
+ uint64_t diff_pkts_rx, diff_pkts_tx, diff_cycles;
+ uint64_t mpps_rx, mpps_tx;
+ static uint64_t prev_pkts_rx[2];
+ static uint64_t prev_pkts_tx[2];
+ static uint64_t prev_cycles[2];
+
+ diff_cycles = prev_cycles[port];
+ prev_cycles[port] = rte_rdtsc();
+ if (diff_cycles > 0)
+ diff_cycles = prev_cycles[port] - diff_cycles;
+ diff_pkts_rx = (ntb_port_stats[port].rx > prev_pkts_rx[port]) ?
+ (ntb_port_stats[port].rx - prev_pkts_rx[port]) : 0;
+ diff_pkts_tx = (ntb_port_stats[port].tx > prev_pkts_tx[port]) ?
+ (ntb_port_stats[port].tx - prev_pkts_tx[port]) : 0;
+ prev_pkts_rx[port] = ntb_port_stats[port].rx;
+ prev_pkts_tx[port] = ntb_port_stats[port].tx;
+ mpps_rx = diff_cycles > 0 ?
+ diff_pkts_rx * rte_get_tsc_hz() / diff_cycles : 0;
+ mpps_tx = diff_cycles > 0 ?
+ diff_pkts_tx * rte_get_tsc_hz() / diff_cycles : 0;
+ printf(" Throughput (since last show)\n");
+ printf(" Rx-pps: %12"PRIu64"\n Tx-pps: %12"PRIu64"\n",
+ mpps_rx, mpps_tx);
+
+}
+
+static void
+ntb_stats_display(void)
+{
+ struct rte_rawdev_xstats_name *xstats_names;
+ struct rte_eth_stats stats;
+ uint64_t *values;
+ uint32_t *ids;
+ int nb_ids, i;
- rte_rawdev_get_attr(dev_id, "spad_user_0", &val);
- size = val << 32;
- rte_rawdev_get_attr(dev_id, "spad_user_1", &val);
- size |= val;
+ printf("###### statistics for NTB port %d #######\n", dev_id);
- buff = (uint8_t *)malloc(size);
- pkts_recv[0] = (struct rte_rawdev_buf *)malloc
- (sizeof(struct rte_rawdev_buf));
- pkts_recv[0]->buf_addr = buff;
+ /* Get NTB dev stats and stats names */
+ nb_ids = rte_rawdev_xstats_names_get(dev_id, NULL, 0);
+ if (nb_ids < 0) {
+ printf("Error: Cannot get count of xstats\n");
+ return;
+ }
+ xstats_names = malloc(sizeof(struct rte_rawdev_xstats_name) * nb_ids);
+ if (xstats_names == NULL) {
+ printf("Cannot allocate memory for xstats lookup\n");
+ return;
+ }
+ if (nb_ids != rte_rawdev_xstats_names_get(
+ dev_id, xstats_names, nb_ids)) {
+ printf("Error: Cannot get xstats lookup\n");
+ free(xstats_names);
+ return;
+ }
+ ids = malloc(sizeof(uint32_t) * nb_ids);
+ for (i = 0; i < nb_ids; i++)
+ ids[i] = i;
+ values = malloc(sizeof(uint64_t) * nb_ids);
+ if (nb_ids != rte_rawdev_xstats_get(dev_id, ids, values, nb_ids)) {
+ printf("Error: Unable to get xstats\n");
+ free(xstats_names);
+ free(values);
+ free(ids);
+ return;
+ }
+
+ /* Display NTB dev stats */
+ for (i = 0; i < nb_ids; i++)
+ printf(" %s: %"PRIu64"\n", xstats_names[i].name, values[i]);
+ ntb_calculate_throughput(0);
- if (rte_rawdev_dequeue_buffers(dev_id, pkts_recv, 1, (void *)size)) {
- printf("Fail to dequeue.\n");
- goto clean;
+ /* Get Ethdev stats if have any */
+ if (fwd_mode == IOFWD && eth_port_id != RTE_MAX_ETHPORTS) {
+ printf("###### statistics for ETH port %d ######\n",
+ eth_port_id);
+ rte_eth_stats_get(eth_port_id, &stats);
+ printf(" RX-packets: %"PRIu64"\n", stats.ipackets);
+ printf(" RX-bytes: %"PRIu64"\n", stats.ibytes);
+ printf(" RX-errors: %"PRIu64"\n", stats.ierrors);
+ printf(" RX-missed: %"PRIu64"\n", stats.imissed);
+ printf(" TX-packets: %"PRIu64"\n", stats.opackets);
+ printf(" TX-bytes: %"PRIu64"\n", stats.obytes);
+ printf(" TX-errors: %"PRIu64"\n", stats.oerrors);
+ ntb_calculate_throughput(1);
}
- fwrite(buff, size, 1, file);
- printf("Done receiving to file.\n");
+ free(xstats_names);
+ free(values);
+ free(ids);
+}
-clean:
- fclose(file);
- free(buff);
- free(pkts_recv[0]);
+/* *** SHOW/CLEAR PORT STATS *** */
+struct cmd_stats_result {
+ cmdline_fixed_string_t show;
+ cmdline_fixed_string_t port;
+ cmdline_fixed_string_t stats;
+};
+
+static void
+cmd_stats_parsed(void *parsed_result,
+ __attribute__((unused)) struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ struct cmd_stats_result *res = parsed_result;
+ if (!strcmp(res->show, "clear"))
+ ntb_stats_clear();
+ else
+ ntb_stats_display();
}
-cmdline_parse_token_string_t cmd_recv_file_recv =
- TOKEN_STRING_INITIALIZER(struct cmd_recvfile_result, recv_string,
- "recv");
-cmdline_parse_token_string_t cmd_recv_file_filepath =
- TOKEN_STRING_INITIALIZER(struct cmd_recvfile_result, filepath, NULL);
+cmdline_parse_token_string_t cmd_stats_show =
+ TOKEN_STRING_INITIALIZER(struct cmd_stats_result, show, "show#clear");
+cmdline_parse_token_string_t cmd_stats_port =
+ TOKEN_STRING_INITIALIZER(struct cmd_stats_result, port, "port");
+cmdline_parse_token_string_t cmd_stats_stats =
+ TOKEN_STRING_INITIALIZER(struct cmd_stats_result, stats, "stats");
-cmdline_parse_inst_t cmd_recv_file = {
- .f = cmd_recvfile_parsed,
+cmdline_parse_inst_t cmd_stats = {
+ .f = cmd_stats_parsed,
.data = NULL,
- .help_str = "recv <file_path>",
+ .help_str = "show|clear port stats",
.tokens = {
- (void *)&cmd_recv_file_recv,
- (void *)&cmd_recv_file_filepath,
+ (void *)&cmd_stats_show,
+ (void *)&cmd_stats_port,
+ (void *)&cmd_stats_stats,
+ NULL,
+ },
+};
+
+/* *** SET FORWARDING MODE *** */
+struct cmd_set_fwd_mode_result {
+ cmdline_fixed_string_t set;
+ cmdline_fixed_string_t fwd;
+ cmdline_fixed_string_t mode;
+};
+
+static void
+cmd_set_fwd_mode_parsed(__attribute__((unused)) void *parsed_result,
+ __attribute__((unused)) struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ struct cmd_set_fwd_mode_result *res = parsed_result;
+ int i;
+
+ if (in_test) {
+ printf("Please stop traffic first.\n");
+ return;
+ }
+
+ for (i = 0; i < MAX_FWD_MODE; i++) {
+ if (!strcmp(res->mode, fwd_mode_s[i])) {
+ fwd_mode = i;
+ return;
+ }
+ }
+ printf("Invalid %s packet forwarding mode.\n", res->mode);
+}
+
+cmdline_parse_token_string_t cmd_setfwd_set =
+ TOKEN_STRING_INITIALIZER(struct cmd_set_fwd_mode_result, set, "set");
+cmdline_parse_token_string_t cmd_setfwd_fwd =
+ TOKEN_STRING_INITIALIZER(struct cmd_set_fwd_mode_result, fwd, "fwd");
+cmdline_parse_token_string_t cmd_setfwd_mode =
+ TOKEN_STRING_INITIALIZER(struct cmd_set_fwd_mode_result, mode,
+ "file-trans#iofwd#txonly#rxonly");
+
+cmdline_parse_inst_t cmd_set_fwd_mode = {
+ .f = cmd_set_fwd_mode_parsed,
+ .data = NULL,
+ .help_str = "set forwarding mode as file-trans|rxonly|txonly|iofwd",
+ .tokens = {
+ (void *)&cmd_setfwd_set,
+ (void *)&cmd_setfwd_fwd,
+ (void *)&cmd_setfwd_mode,
NULL,
},
};
cmdline_parse_ctx_t main_ctx[] = {
(cmdline_parse_inst_t *)&cmd_help,
(cmdline_parse_inst_t *)&cmd_send_file,
- (cmdline_parse_inst_t *)&cmd_recv_file,
+ (cmdline_parse_inst_t *)&cmd_start,
+ (cmdline_parse_inst_t *)&cmd_stop,
+ (cmdline_parse_inst_t *)&cmd_stats,
+ (cmdline_parse_inst_t *)&cmd_set_fwd_mode,
(cmdline_parse_inst_t *)&cmd_quit,
NULL,
};
}
}
+#define OPT_BUF_SIZE "buf-size"
+#define OPT_FWD_MODE "fwd-mode"
+#define OPT_NB_DESC "nb-desc"
+#define OPT_TXFREET "txfreet"
+#define OPT_BURST "burst"
+#define OPT_QP "qp"
+
+enum {
+ /* long options mapped to a short option */
+ OPT_NO_ZERO_COPY_NUM = 1,
+ OPT_BUF_SIZE_NUM,
+ OPT_FWD_MODE_NUM,
+ OPT_NB_DESC_NUM,
+ OPT_TXFREET_NUM,
+ OPT_BURST_NUM,
+ OPT_QP_NUM,
+};
+
+static const char short_options[] =
+ "i" /* interactive mode */
+ ;
+
+static const struct option lgopts[] = {
+ {OPT_BUF_SIZE, 1, NULL, OPT_BUF_SIZE_NUM },
+ {OPT_FWD_MODE, 1, NULL, OPT_FWD_MODE_NUM },
+ {OPT_NB_DESC, 1, NULL, OPT_NB_DESC_NUM },
+ {OPT_TXFREET, 1, NULL, OPT_TXFREET_NUM },
+ {OPT_BURST, 1, NULL, OPT_BURST_NUM },
+ {OPT_QP, 1, NULL, OPT_QP_NUM },
+ {0, 0, NULL, 0 }
+};
+
static void
ntb_usage(const char *prgname)
{
printf("%s [EAL options] -- [options]\n"
- "-i : run in interactive mode (default value is 1)\n",
- prgname);
+ "-i: run in interactive mode.\n"
+ "-qp=N: set number of queues as N (N > 0, default: 1).\n"
+ "--fwd-mode=N: set fwd mode (N: file-trans | rxonly | "
+ "txonly | iofwd, default: file-trans)\n"
+ "--buf-size=N: set mbuf dataroom size as N (0 < N < 65535,"
+ " default: 2048).\n"
+ "--nb-desc=N: set number of descriptors as N (%u <= N <= %u,"
+ " default: 1024).\n"
+ "--txfreet=N: set tx free thresh for NTB driver as N. (N >= 0)\n"
+ "--burst=N: set pkt burst as N (0 < N <= %u default: 32).\n",
+ prgname, NTB_MIN_DESC_SIZE, NTB_MAX_DESC_SIZE,
+ NTB_MAX_PKT_BURST);
}
-static int
-parse_args(int argc, char **argv)
+static void
+ntb_parse_args(int argc, char **argv)
{
char *prgname = argv[0], **argvopt = argv;
- int opt, ret;
+ int opt, opt_idx, n, i;
- /* Only support interactive mode to send/recv file first. */
- while ((opt = getopt(argc, argvopt, "i")) != EOF) {
+ while ((opt = getopt_long(argc, argvopt, short_options,
+ lgopts, &opt_idx)) != EOF) {
switch (opt) {
case 'i':
- printf("Interactive-mode selected\n");
+ printf("Interactive-mode selected.\n");
interactive = 1;
break;
+ case OPT_QP_NUM:
+ n = atoi(optarg);
+ if (n > 0)
+ num_queues = n;
+ else
+ rte_exit(EXIT_FAILURE, "q must be > 0.\n");
+ break;
+ case OPT_BUF_SIZE_NUM:
+ n = atoi(optarg);
+ if (n > RTE_PKTMBUF_HEADROOM && n <= 0xFFFF)
+ ntb_buf_size = n;
+ else
+ rte_exit(EXIT_FAILURE, "buf-size must be > "
+ "%u and < 65536.\n",
+ RTE_PKTMBUF_HEADROOM);
+ break;
+ case OPT_FWD_MODE_NUM:
+ for (i = 0; i < MAX_FWD_MODE; i++) {
+ if (!strcmp(optarg, fwd_mode_s[i])) {
+ fwd_mode = i;
+ break;
+ }
+ }
+ if (i == MAX_FWD_MODE)
+ rte_exit(EXIT_FAILURE, "Unsupported mode. "
+ "(Should be: file-trans | rxonly | txonly "
+ "| iofwd)\n");
+ break;
+ case OPT_NB_DESC_NUM:
+ n = atoi(optarg);
+ if (n >= NTB_MIN_DESC_SIZE && n <= NTB_MAX_DESC_SIZE)
+ nb_desc = n;
+ else
+ rte_exit(EXIT_FAILURE, "nb-desc must be within"
+ " [%u, %u].\n", NTB_MIN_DESC_SIZE,
+ NTB_MAX_DESC_SIZE);
+ break;
+ case OPT_TXFREET_NUM:
+ n = atoi(optarg);
+ if (n >= 0)
+ tx_free_thresh = n;
+ else
+ rte_exit(EXIT_FAILURE, "txfreet must be"
+ " >= 0\n");
+ break;
+ case OPT_BURST_NUM:
+ n = atoi(optarg);
+ if (n > 0 && n <= NTB_MAX_PKT_BURST)
+ pkt_burst = n;
+ else
+ rte_exit(EXIT_FAILURE, "burst must be within "
+ "(0, %u].\n", NTB_MAX_PKT_BURST);
+ break;
default:
ntb_usage(prgname);
- return -1;
+ rte_exit(EXIT_FAILURE,
+ "Command line is incomplete or incorrect.\n");
+ break;
}
}
+}
- if (optind >= 0)
- argv[optind-1] = prgname;
+static void
+ntb_mempool_mz_free(__rte_unused struct rte_mempool_memhdr *memhdr,
+ void *opaque)
+{
+ const struct rte_memzone *mz = opaque;
+ rte_memzone_free(mz);
+}
- ret = optind-1;
- optind = 1; /* reset getopt lib */
- return ret;
+static struct rte_mempool *
+ntb_mbuf_pool_create(uint16_t mbuf_seg_size, uint32_t nb_mbuf,
+ struct ntb_dev_info ntb_info,
+ struct ntb_dev_config *ntb_conf,
+ unsigned int socket_id)
+{
+ size_t mz_len, total_elt_sz, max_mz_len, left_sz;
+ struct rte_pktmbuf_pool_private mbp_priv;
+ char pool_name[RTE_MEMPOOL_NAMESIZE];
+ char mz_name[RTE_MEMZONE_NAMESIZE];
+ const struct rte_memzone *mz;
+ struct rte_mempool *mp;
+ uint64_t align;
+ uint32_t mz_id;
+ int ret;
+
+ snprintf(pool_name, sizeof(pool_name), "ntb_mbuf_pool_%u", socket_id);
+ mp = rte_mempool_create_empty(pool_name, nb_mbuf,
+ (mbuf_seg_size + sizeof(struct rte_mbuf)),
+ MEMPOOL_CACHE_SIZE,
+ sizeof(struct rte_pktmbuf_pool_private),
+ socket_id, 0);
+ if (mp == NULL)
+ return NULL;
+
+ mbp_priv.mbuf_data_room_size = mbuf_seg_size;
+ mbp_priv.mbuf_priv_size = 0;
+ rte_pktmbuf_pool_init(mp, &mbp_priv);
+
+ ntb_conf->mz_list = rte_zmalloc("ntb_memzone_list",
+ sizeof(struct rte_memzone *) *
+ ntb_info.mw_cnt, 0);
+ if (ntb_conf->mz_list == NULL)
+ goto fail;
+
+ /* Put ntb header on mw0. */
+ if (ntb_info.mw_size[0] < ntb_info.ntb_hdr_size) {
+ printf("mw0 (size: %" PRIu64 ") is not enough for ntb hdr"
+ " (size: %u)\n", ntb_info.mw_size[0],
+ ntb_info.ntb_hdr_size);
+ goto fail;
+ }
+
+ total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+ left_sz = total_elt_sz * nb_mbuf;
+ for (mz_id = 0; mz_id < ntb_info.mw_cnt; mz_id++) {
+ /* If populated mbuf is enough, no need to reserve extra mz. */
+ if (!left_sz)
+ break;
+ snprintf(mz_name, sizeof(mz_name), "ntb_mw_%d", mz_id);
+ align = ntb_info.mw_size_align ? ntb_info.mw_size[mz_id] :
+ RTE_CACHE_LINE_SIZE;
+ /* Reserve ntb header space on memzone 0. */
+ max_mz_len = mz_id ? ntb_info.mw_size[mz_id] :
+ ntb_info.mw_size[mz_id] - ntb_info.ntb_hdr_size;
+ mz_len = left_sz <= max_mz_len ? left_sz :
+ (max_mz_len / total_elt_sz * total_elt_sz);
+ if (!mz_len)
+ continue;
+ mz = rte_memzone_reserve_aligned(mz_name, mz_len, socket_id,
+ RTE_MEMZONE_IOVA_CONTIG, align);
+ if (mz == NULL) {
+ printf("Cannot allocate %" PRIu64 " aligned memzone"
+ " %u\n", align, mz_id);
+ goto fail;
+ }
+ left_sz -= mz_len;
+
+ /* Reserve ntb header space on memzone 0. */
+ if (mz_id)
+ ret = rte_mempool_populate_iova(mp, mz->addr, mz->iova,
+ mz->len, ntb_mempool_mz_free,
+ (void *)(uintptr_t)mz);
+ else
+ ret = rte_mempool_populate_iova(mp,
+ (void *)((size_t)mz->addr +
+ ntb_info.ntb_hdr_size),
+ mz->iova + ntb_info.ntb_hdr_size,
+ mz->len - ntb_info.ntb_hdr_size,
+ ntb_mempool_mz_free,
+ (void *)(uintptr_t)mz);
+ if (ret < 0) {
+ rte_memzone_free(mz);
+ rte_mempool_free(mp);
+ return NULL;
+ }
+
+ ntb_conf->mz_list[mz_id] = mz;
+ }
+ if (left_sz) {
+ printf("mw space is not enough for mempool.\n");
+ goto fail;
+ }
+
+ ntb_conf->mz_num = mz_id;
+ rte_mempool_obj_iter(mp, rte_pktmbuf_init, NULL);
+
+ return mp;
+fail:
+ rte_mempool_free(mp);
+ return NULL;
}
int
main(int argc, char **argv)
{
+ struct rte_eth_conf eth_pconf = eth_port_conf;
+ struct rte_rawdev_info ntb_rawdev_conf;
+ struct rte_rawdev_info ntb_rawdev_info;
+ struct rte_eth_dev_info ethdev_info;
+ struct rte_eth_rxconf eth_rx_conf;
+ struct rte_eth_txconf eth_tx_conf;
+ struct ntb_queue_conf ntb_q_conf;
+ struct ntb_dev_config ntb_conf;
+ struct ntb_dev_info ntb_info;
+ uint64_t ntb_link_status;
+ uint32_t nb_mbuf;
int ret, i;
signal(SIGINT, signal_handler);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Error with EAL initialization.\n");
+ if (rte_lcore_count() < 2)
+ rte_exit(EXIT_FAILURE, "Need at least 2 cores\n");
+
/* Find 1st ntb rawdev. */
for (i = 0; i < RTE_RAWDEV_MAX_DEVS; i++)
if (rte_rawdevs[i].driver_name &&
argc -= ret;
argv += ret;
- ret = parse_args(argc, argv);
+ ntb_parse_args(argc, argv);
+
+ rte_rawdev_set_attr(dev_id, NTB_QUEUE_SZ_NAME, nb_desc);
+ printf("Set queue size as %u.\n", nb_desc);
+ rte_rawdev_set_attr(dev_id, NTB_QUEUE_NUM_NAME, num_queues);
+ printf("Set queue number as %u.\n", num_queues);
+ ntb_rawdev_info.dev_private = (rte_rawdev_obj_t)(&ntb_info);
+ rte_rawdev_info_get(dev_id, &ntb_rawdev_info);
+
+ nb_mbuf = nb_desc * num_queues * 2 * 2 + rte_lcore_count() *
+ MEMPOOL_CACHE_SIZE;
+ mbuf_pool = ntb_mbuf_pool_create(ntb_buf_size, nb_mbuf, ntb_info,
+ &ntb_conf, rte_socket_id());
+ if (mbuf_pool == NULL)
+ rte_exit(EXIT_FAILURE, "Cannot create mbuf pool.\n");
+
+ ntb_conf.num_queues = num_queues;
+ ntb_conf.queue_size = nb_desc;
+ ntb_rawdev_conf.dev_private = (rte_rawdev_obj_t)(&ntb_conf);
+ ret = rte_rawdev_configure(dev_id, &ntb_rawdev_conf);
+ if (ret)
+ rte_exit(EXIT_FAILURE, "Can't config ntb dev: err=%d, "
+ "port=%u\n", ret, dev_id);
+
+ ntb_q_conf.tx_free_thresh = tx_free_thresh;
+ ntb_q_conf.nb_desc = nb_desc;
+ ntb_q_conf.rx_mp = mbuf_pool;
+ for (i = 0; i < num_queues; i++) {
+ /* Setup rawdev queue */
+ ret = rte_rawdev_queue_setup(dev_id, i, &ntb_q_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to setup ntb queue %u.\n", i);
+ }
+
+ /* Waiting for peer dev up at most 100s.*/
+ printf("Checking ntb link status...\n");
+ for (i = 0; i < 1000; i++) {
+ rte_rawdev_get_attr(dev_id, NTB_LINK_STATUS_NAME,
+ &ntb_link_status);
+ if (ntb_link_status) {
+ printf("Peer dev ready, ntb link up.\n");
+ break;
+ }
+ rte_delay_ms(100);
+ }
+ rte_rawdev_get_attr(dev_id, NTB_LINK_STATUS_NAME, &ntb_link_status);
+ if (ntb_link_status == 0)
+ printf("Expire 100s. Link is not up. Please restart app.\n");
+
+ ret = rte_rawdev_start(dev_id);
if (ret < 0)
- rte_exit(EXIT_FAILURE, "Invalid arguments\n");
+ rte_exit(EXIT_FAILURE, "rte_rawdev_start: err=%d, port=%u\n",
+ ret, dev_id);
+
+ /* Find 1st ethdev */
+ eth_port_id = rte_eth_find_next(0);
- rte_rawdev_start(dev_id);
+ if (eth_port_id < RTE_MAX_ETHPORTS) {
+ rte_eth_dev_info_get(eth_port_id, ðdev_info);
+ eth_pconf.rx_adv_conf.rss_conf.rss_hf &=
+ ethdev_info.flow_type_rss_offloads;
+ ret = rte_eth_dev_configure(eth_port_id, num_queues,
+ num_queues, ð_pconf);
+ if (ret)
+ rte_exit(EXIT_FAILURE, "Can't config ethdev: err=%d, "
+ "port=%u\n", ret, eth_port_id);
+ eth_rx_conf = ethdev_info.default_rxconf;
+ eth_rx_conf.offloads = eth_pconf.rxmode.offloads;
+ eth_tx_conf = ethdev_info.default_txconf;
+ eth_tx_conf.offloads = eth_pconf.txmode.offloads;
+
+ /* Setup ethdev queue if ethdev exists */
+ for (i = 0; i < num_queues; i++) {
+ ret = rte_eth_rx_queue_setup(eth_port_id, i, nb_desc,
+ rte_eth_dev_socket_id(eth_port_id),
+ ð_rx_conf, mbuf_pool);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to setup eth rxq %u.\n", i);
+ ret = rte_eth_tx_queue_setup(eth_port_id, i, nb_desc,
+ rte_eth_dev_socket_id(eth_port_id),
+ ð_tx_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to setup eth txq %u.\n", i);
+ }
+
+ ret = rte_eth_dev_start(eth_port_id);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
+ "port=%u\n", ret, eth_port_id);
+ }
+
+ /* initialize port stats */
+ memset(&ntb_port_stats, 0, sizeof(ntb_port_stats));
+
+ /* Set default fwd mode if user doesn't set it. */
+ if (fwd_mode == MAX_FWD_MODE && eth_port_id < RTE_MAX_ETHPORTS) {
+ printf("Set default fwd mode as iofwd.\n");
+ fwd_mode = IOFWD;
+ }
+ if (fwd_mode == MAX_FWD_MODE) {
+ printf("Set default fwd mode as file-trans.\n");
+ fwd_mode = FILE_TRANS;
+ }
if (interactive) {
sleep(1);
prompt();
+ } else {
+ start_pkt_fwd();
}
return 0;
git.droids-corp.org / dpdk.git / commitdiff