uint16_t nb_lcores;
};
+/* per-port statistics struct */
+struct ioat_port_statistics {
+ uint64_t rx[RTE_MAX_ETHPORTS];
+ uint64_t tx[RTE_MAX_ETHPORTS];
+ uint64_t tx_dropped[RTE_MAX_ETHPORTS];
+ uint64_t copy_dropped[RTE_MAX_ETHPORTS];
+};
+struct ioat_port_statistics port_statistics;
+
+struct total_statistics {
+ uint64_t total_packets_dropped;
+ uint64_t total_packets_tx;
+ uint64_t total_packets_rx;
+ uint64_t total_successful_enqueues;
+ uint64_t total_failed_enqueues;
+};
+
typedef enum copy_mode_t {
#define COPY_MODE_SW "sw"
COPY_MODE_SW_NUM,
static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
struct rte_mempool *ioat_pktmbuf_pool;
+/* Print out statistics for one port. */
+static void
+print_port_stats(uint16_t port_id)
+{
+ printf("\nStatistics for port %u ------------------------------"
+ "\nPackets sent: %34"PRIu64
+ "\nPackets received: %30"PRIu64
+ "\nPackets dropped on tx: %25"PRIu64
+ "\nPackets dropped on copy: %23"PRIu64,
+ port_id,
+ port_statistics.tx[port_id],
+ port_statistics.rx[port_id],
+ port_statistics.tx_dropped[port_id],
+ port_statistics.copy_dropped[port_id]);
+}
+
+/* Print out statistics for one IOAT rawdev device. */
+static void
+print_rawdev_stats(uint32_t dev_id, uint64_t *xstats,
+ unsigned int *ids_xstats, uint16_t nb_xstats,
+ struct rte_rawdev_xstats_name *names_xstats)
+{
+ uint16_t i;
+
+ printf("\nIOAT channel %u", dev_id);
+ for (i = 0; i < nb_xstats; i++)
+ printf("\n\t %s: %*"PRIu64,
+ names_xstats[ids_xstats[i]].name,
+ (int)(37 - strlen(names_xstats[ids_xstats[i]].name)),
+ xstats[i]);
+}
+
+static void
+print_total_stats(struct total_statistics *ts)
+{
+ printf("\nAggregate statistics ==============================="
+ "\nTotal packets Tx: %24"PRIu64" [pps]"
+ "\nTotal packets Rx: %24"PRIu64" [pps]"
+ "\nTotal packets dropped: %19"PRIu64" [pps]",
+ ts->total_packets_tx,
+ ts->total_packets_rx,
+ ts->total_packets_dropped);
+
+ if (copy_mode == COPY_MODE_IOAT_NUM) {
+ printf("\nTotal IOAT successful enqueues: %8"PRIu64" [enq/s]"
+ "\nTotal IOAT failed enqueues: %12"PRIu64" [enq/s]",
+ ts->total_successful_enqueues,
+ ts->total_failed_enqueues);
+ }
+
+ printf("\n====================================================\n");
+}
+
+/* Print out statistics on packets dropped. */
+static void
+print_stats(char *prgname)
+{
+ struct total_statistics ts, delta_ts;
+ uint32_t i, port_id, dev_id;
+ struct rte_rawdev_xstats_name *names_xstats;
+ uint64_t *xstats;
+ unsigned int *ids_xstats, nb_xstats;
+ char status_string[120]; /* to print at the top of the output */
+ int status_strlen;
+ int ret;
+
+ const char clr[] = { 27, '[', '2', 'J', '\0' };
+ const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
+
+ status_strlen = snprintf(status_string, sizeof(status_string),
+ "%s, ", prgname);
+ status_strlen += snprintf(status_string + status_strlen,
+ sizeof(status_string) - status_strlen,
+ "Worker Threads = %d, ",
+ rte_lcore_count() > 2 ? 2 : 1);
+ status_strlen += snprintf(status_string + status_strlen,
+ sizeof(status_string) - status_strlen,
+ "Copy Mode = %s,\n", copy_mode == COPY_MODE_SW_NUM ?
+ COPY_MODE_SW : COPY_MODE_IOAT);
+ status_strlen += snprintf(status_string + status_strlen,
+ sizeof(status_string) - status_strlen,
+ "Updating MAC = %s, ", mac_updating ?
+ "enabled" : "disabled");
+ status_strlen += snprintf(status_string + status_strlen,
+ sizeof(status_string) - status_strlen,
+ "Rx Queues = %d, ", nb_queues);
+ status_strlen += snprintf(status_string + status_strlen,
+ sizeof(status_string) - status_strlen,
+ "Ring Size = %d\n", ring_size);
+
+ /* Allocate memory for xstats names and values */
+ ret = rte_rawdev_xstats_names_get(
+ cfg.ports[0].ioat_ids[0], NULL, 0);
+ if (ret < 0)
+ return;
+ nb_xstats = (unsigned int)ret;
+
+ names_xstats = malloc(sizeof(*names_xstats) * nb_xstats);
+ if (names_xstats == NULL) {
+ rte_exit(EXIT_FAILURE,
+ "Error allocating xstat names memory\n");
+ }
+ rte_rawdev_xstats_names_get(cfg.ports[0].ioat_ids[0],
+ names_xstats, nb_xstats);
+
+ ids_xstats = malloc(sizeof(*ids_xstats) * 2);
+ if (ids_xstats == NULL) {
+ rte_exit(EXIT_FAILURE,
+ "Error allocating xstat ids_xstats memory\n");
+ }
+
+ xstats = malloc(sizeof(*xstats) * 2);
+ if (xstats == NULL) {
+ rte_exit(EXIT_FAILURE,
+ "Error allocating xstat memory\n");
+ }
+
+ /* Get failed/successful enqueues stats index */
+ ids_xstats[0] = ids_xstats[1] = nb_xstats;
+ for (i = 0; i < nb_xstats; i++) {
+ if (!strcmp(names_xstats[i].name, "failed_enqueues"))
+ ids_xstats[0] = i;
+ else if (!strcmp(names_xstats[i].name, "successful_enqueues"))
+ ids_xstats[1] = i;
+ if (ids_xstats[0] < nb_xstats && ids_xstats[1] < nb_xstats)
+ break;
+ }
+ if (ids_xstats[0] == nb_xstats || ids_xstats[1] == nb_xstats) {
+ rte_exit(EXIT_FAILURE,
+ "Error getting failed/successful enqueues stats index\n");
+ }
+
+ memset(&ts, 0, sizeof(struct total_statistics));
+
+ while (!force_quit) {
+ /* Sleep for 1 second each round - init sleep allows reading
+ * messages from app startup.
+ */
+ sleep(1);
+
+ /* Clear screen and move to top left */
+ printf("%s%s", clr, topLeft);
+
+ memset(&delta_ts, 0, sizeof(struct total_statistics));
+
+ printf("%s", status_string);
+
+ for (i = 0; i < cfg.nb_ports; i++) {
+ port_id = cfg.ports[i].rxtx_port;
+ print_port_stats(port_id);
+
+ delta_ts.total_packets_dropped +=
+ port_statistics.tx_dropped[port_id]
+ + port_statistics.copy_dropped[port_id];
+ delta_ts.total_packets_tx +=
+ port_statistics.tx[port_id];
+ delta_ts.total_packets_rx +=
+ port_statistics.rx[port_id];
+
+ if (copy_mode == COPY_MODE_IOAT_NUM) {
+ uint32_t j;
+
+ for (j = 0; j < cfg.ports[i].nb_queues; j++) {
+ dev_id = cfg.ports[i].ioat_ids[j];
+ rte_rawdev_xstats_get(dev_id,
+ ids_xstats, xstats, 2);
+
+ print_rawdev_stats(dev_id, xstats,
+ ids_xstats, 2, names_xstats);
+
+ delta_ts.total_failed_enqueues +=
+ xstats[ids_xstats[0]];
+ delta_ts.total_successful_enqueues +=
+ xstats[ids_xstats[1]];
+ }
+ }
+ }
+
+ delta_ts.total_packets_tx -= ts.total_packets_tx;
+ delta_ts.total_packets_rx -= ts.total_packets_rx;
+ delta_ts.total_packets_dropped -= ts.total_packets_dropped;
+ delta_ts.total_failed_enqueues -= ts.total_failed_enqueues;
+ delta_ts.total_successful_enqueues -=
+ ts.total_successful_enqueues;
+
+ printf("\n");
+ print_total_stats(&delta_ts);
+
+ ts.total_packets_tx += delta_ts.total_packets_tx;
+ ts.total_packets_rx += delta_ts.total_packets_rx;
+ ts.total_packets_dropped += delta_ts.total_packets_dropped;
+ ts.total_failed_enqueues += delta_ts.total_failed_enqueues;
+ ts.total_successful_enqueues +=
+ delta_ts.total_successful_enqueues;
+ }
+
+ free(names_xstats);
+ free(xstats);
+ free(ids_xstats);
+}
+
+static void
+update_mac_addrs(struct rte_mbuf *m, uint32_t dest_portid)
+{
+ struct rte_ether_hdr *eth;
+ void *tmp;
+
+ eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
+
+ /* 02:00:00:00:00:xx - overwriting 2 bytes of source address but
+ * it's acceptable cause it gets overwritten by rte_ether_addr_copy
+ */
+ tmp = ð->d_addr.addr_bytes[0];
+ *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
+
+ /* src addr */
+ rte_ether_addr_copy(&ioat_ports_eth_addr[dest_portid], ð->s_addr);
+}
+
+static inline void
+pktmbuf_sw_copy(struct rte_mbuf *src, struct rte_mbuf *dst)
+{
+ /* Copy packet metadata */
+ rte_memcpy(&dst->rearm_data,
+ &src->rearm_data,
+ offsetof(struct rte_mbuf, cacheline1)
+ - offsetof(struct rte_mbuf, rearm_data));
+
+ /* Copy packet data */
+ rte_memcpy(rte_pktmbuf_mtod(dst, char *),
+ rte_pktmbuf_mtod(src, char *), src->data_len);
+}
+
+static uint32_t
+ioat_enqueue_packets(struct rte_mbuf **pkts,
+ uint32_t nb_rx, uint16_t dev_id)
+{
+ int ret;
+ uint32_t i;
+ struct rte_mbuf *pkts_copy[MAX_PKT_BURST];
+
+ const uint64_t addr_offset = RTE_PTR_DIFF(pkts[0]->buf_addr,
+ &pkts[0]->rearm_data);
+
+ ret = rte_mempool_get_bulk(ioat_pktmbuf_pool,
+ (void *)pkts_copy, nb_rx);
+
+ if (unlikely(ret < 0))
+ rte_exit(EXIT_FAILURE, "Unable to allocate memory.\n");
+
+ for (i = 0; i < nb_rx; i++) {
+ /* Perform data copy */
+ ret = rte_ioat_enqueue_copy(dev_id,
+ pkts[i]->buf_iova
+ - addr_offset,
+ pkts_copy[i]->buf_iova
+ - addr_offset,
+ rte_pktmbuf_data_len(pkts[i])
+ + addr_offset,
+ (uintptr_t)pkts[i],
+ (uintptr_t)pkts_copy[i],
+ 0 /* nofence */);
+
+ if (ret != 1)
+ break;
+ }
+
+ ret = i;
+ /* Free any not enqueued packets. */
+ rte_mempool_put_bulk(ioat_pktmbuf_pool, (void *)&pkts[i], nb_rx - i);
+ rte_mempool_put_bulk(ioat_pktmbuf_pool, (void *)&pkts_copy[i],
+ nb_rx - i);
+
+ return ret;
+}
+
+/* Receive packets on one port and enqueue to IOAT rawdev or rte_ring. */
+static void
+ioat_rx_port(struct rxtx_port_config *rx_config)
+{
+ uint32_t nb_rx, nb_enq, i, j;
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+
+ for (i = 0; i < rx_config->nb_queues; i++) {
+
+ nb_rx = rte_eth_rx_burst(rx_config->rxtx_port, i,
+ pkts_burst, MAX_PKT_BURST);
+
+ if (nb_rx == 0)
+ continue;
+
+ port_statistics.rx[rx_config->rxtx_port] += nb_rx;
+
+ if (copy_mode == COPY_MODE_IOAT_NUM) {
+ /* Perform packet hardware copy */
+ nb_enq = ioat_enqueue_packets(pkts_burst,
+ nb_rx, rx_config->ioat_ids[i]);
+ if (nb_enq > 0)
+ rte_ioat_do_copies(rx_config->ioat_ids[i]);
+ } else {
+ /* Perform packet software copy, free source packets */
+ int ret;
+ struct rte_mbuf *pkts_burst_copy[MAX_PKT_BURST];
+
+ ret = rte_mempool_get_bulk(ioat_pktmbuf_pool,
+ (void *)pkts_burst_copy, nb_rx);
+
+ if (unlikely(ret < 0))
+ rte_exit(EXIT_FAILURE,
+ "Unable to allocate memory.\n");
+
+ for (j = 0; j < nb_rx; j++)
+ pktmbuf_sw_copy(pkts_burst[j],
+ pkts_burst_copy[j]);
+
+ rte_mempool_put_bulk(ioat_pktmbuf_pool,
+ (void *)pkts_burst, nb_rx);
+
+ nb_enq = rte_ring_enqueue_burst(
+ rx_config->rx_to_tx_ring,
+ (void *)pkts_burst_copy, nb_rx, NULL);
+
+ /* Free any not enqueued packets. */
+ rte_mempool_put_bulk(ioat_pktmbuf_pool,
+ (void *)&pkts_burst_copy[nb_enq],
+ nb_rx - nb_enq);
+ }
+
+ port_statistics.copy_dropped[rx_config->rxtx_port] +=
+ (nb_rx - nb_enq);
+ }
+}
+
+/* Transmit packets from IOAT rawdev/rte_ring for one port. */
+static void
+ioat_tx_port(struct rxtx_port_config *tx_config)
+{
+ uint32_t i, j, nb_dq = 0;
+ struct rte_mbuf *mbufs_src[MAX_PKT_BURST];
+ struct rte_mbuf *mbufs_dst[MAX_PKT_BURST];
+
+ for (i = 0; i < tx_config->nb_queues; i++) {
+ if (copy_mode == COPY_MODE_IOAT_NUM) {
+ /* Deque the mbufs from IOAT device. */
+ nb_dq = rte_ioat_completed_copies(
+ tx_config->ioat_ids[i], MAX_PKT_BURST,
+ (void *)mbufs_src, (void *)mbufs_dst);
+ } else {
+ /* Deque the mbufs from rx_to_tx_ring. */
+ nb_dq = rte_ring_dequeue_burst(
+ tx_config->rx_to_tx_ring, (void *)mbufs_dst,
+ MAX_PKT_BURST, NULL);
+ }
+
+ if ((int32_t) nb_dq <= 0)
+ return;
+
+ if (copy_mode == COPY_MODE_IOAT_NUM)
+ rte_mempool_put_bulk(ioat_pktmbuf_pool,
+ (void *)mbufs_src, nb_dq);
+
+ /* Update macs if enabled */
+ if (mac_updating) {
+ for (j = 0; j < nb_dq; j++)
+ update_mac_addrs(mbufs_dst[j],
+ tx_config->rxtx_port);
+ }
+
+ const uint16_t nb_tx = rte_eth_tx_burst(
+ tx_config->rxtx_port, 0,
+ (void *)mbufs_dst, nb_dq);
+
+ port_statistics.tx[tx_config->rxtx_port] += nb_tx;
+
+ /* Free any unsent packets. */
+ if (unlikely(nb_tx < nb_dq))
+ rte_mempool_put_bulk(ioat_pktmbuf_pool,
+ (void *)&mbufs_dst[nb_tx],
+ nb_dq - nb_tx);
+ }
+}
+
+/* Main rx processing loop for IOAT rawdev. */
+static void
+rx_main_loop(void)
+{
+ uint16_t i;
+ uint16_t nb_ports = cfg.nb_ports;
+
+ RTE_LOG(INFO, IOAT, "Entering main rx loop for copy on lcore %u\n",
+ rte_lcore_id());
+
+ while (!force_quit)
+ for (i = 0; i < nb_ports; i++)
+ ioat_rx_port(&cfg.ports[i]);
+}
+
+/* Main tx processing loop for hardware copy. */
+static void
+tx_main_loop(void)
+{
+ uint16_t i;
+ uint16_t nb_ports = cfg.nb_ports;
+
+ RTE_LOG(INFO, IOAT, "Entering main tx loop for copy on lcore %u\n",
+ rte_lcore_id());
+
+ while (!force_quit)
+ for (i = 0; i < nb_ports; i++)
+ ioat_tx_port(&cfg.ports[i]);
+}
+
+/* Main rx and tx loop if only one slave lcore available */
+static void
+rxtx_main_loop(void)
+{
+ uint16_t i;
+ uint16_t nb_ports = cfg.nb_ports;
+
+ RTE_LOG(INFO, IOAT, "Entering main rx and tx loop for copy on"
+ " lcore %u\n", rte_lcore_id());
+
+ while (!force_quit)
+ for (i = 0; i < nb_ports; i++) {
+ ioat_rx_port(&cfg.ports[i]);
+ ioat_tx_port(&cfg.ports[i]);
+ }
+}
+
+static void start_forwarding_cores(void)
+{
+ uint32_t lcore_id = rte_lcore_id();
+
+ RTE_LOG(INFO, IOAT, "Entering %s on lcore %u\n",
+ __func__, rte_lcore_id());
+
+ if (cfg.nb_lcores == 1) {
+ lcore_id = rte_get_next_lcore(lcore_id, true, true);
+ rte_eal_remote_launch((lcore_function_t *)rxtx_main_loop,
+ NULL, lcore_id);
+ } else if (cfg.nb_lcores > 1) {
+ lcore_id = rte_get_next_lcore(lcore_id, true, true);
+ rte_eal_remote_launch((lcore_function_t *)rx_main_loop,
+ NULL, lcore_id);
+
+ lcore_id = rte_get_next_lcore(lcore_id, true, true);
+ rte_eal_remote_launch((lcore_function_t *)tx_main_loop, NULL,
+ lcore_id);
+ }
+}
+
/* Display usage */
static void
ioat_usage(const char *prgname)
{
uint16_t portid;
struct rte_eth_link link;
- int retval = 0;
+ int ret, link_status = 0;
printf("\nChecking link status\n");
RTE_ETH_FOREACH_DEV(portid) {
continue;
memset(&link, 0, sizeof(link));
- rte_eth_link_get(portid, &link);
+ ret = rte_eth_link_get(portid, &link);
+ if (ret < 0) {
+ printf("Port %u link get failed: err=%d\n",
+ portid, ret);
+ continue;
+ }
/* Print link status */
if (link.link_status) {
"Port %d Link Up. Speed %u Mbps - %s\n",
portid, link.link_speed,
(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
- ("full-duplex") : ("half-duplex\n"));
- retval = 1;
+ ("full-duplex") : ("half-duplex"));
+ link_status = 1;
} else
printf("Port %d Link Down\n", portid);
}
- return retval;
+ return link_status;
+}
+
+static void
+configure_rawdev_queue(uint32_t dev_id)
+{
+ struct rte_ioat_rawdev_config dev_config = { .ring_size = ring_size };
+ struct rte_rawdev_info info = { .dev_private = &dev_config };
+
+ if (rte_rawdev_configure(dev_id, &info) != 0) {
+ rte_exit(EXIT_FAILURE,
+ "Error with rte_rawdev_configure()\n");
+ }
+ if (rte_rawdev_start(dev_id) != 0) {
+ rte_exit(EXIT_FAILURE,
+ "Error with rte_rawdev_start()\n");
+ }
+}
+
+static void
+assign_rawdevs(void)
+{
+ uint16_t nb_rawdev = 0, rdev_id = 0;
+ uint32_t i, j;
+
+ for (i = 0; i < cfg.nb_ports; i++) {
+ for (j = 0; j < cfg.ports[i].nb_queues; j++) {
+ struct rte_rawdev_info rdev_info = { 0 };
+
+ do {
+ if (rdev_id == rte_rawdev_count())
+ goto end;
+ rte_rawdev_info_get(rdev_id++, &rdev_info);
+ } while (rdev_info.driver_name == NULL ||
+ strcmp(rdev_info.driver_name,
+ IOAT_PMD_RAWDEV_NAME_STR) != 0);
+
+ cfg.ports[i].ioat_ids[j] = rdev_id - 1;
+ configure_rawdev_queue(cfg.ports[i].ioat_ids[j]);
+ ++nb_rawdev;
+ }
+ }
+end:
+ if (nb_rawdev < cfg.nb_ports * cfg.ports[0].nb_queues)
+ rte_exit(EXIT_FAILURE,
+ "Not enough IOAT rawdevs (%u) for all queues (%u).\n",
+ nb_rawdev, cfg.nb_ports * cfg.ports[0].nb_queues);
+ RTE_LOG(INFO, IOAT, "Number of used rawdevs: %u.\n", nb_rawdev);
+}
+
+static void
+assign_rings(void)
+{
+ uint32_t i;
+
+ for (i = 0; i < cfg.nb_ports; i++) {
+ char ring_name[RTE_RING_NAMESIZE];
+
+ snprintf(ring_name, sizeof(ring_name), "rx_to_tx_ring_%u", i);
+ /* Create ring for inter core communication */
+ cfg.ports[i].rx_to_tx_ring = rte_ring_create(
+ ring_name, ring_size,
+ rte_socket_id(), RING_F_SP_ENQ | RING_F_SC_DEQ);
+
+ if (cfg.ports[i].rx_to_tx_ring == NULL)
+ rte_exit(EXIT_FAILURE, "Ring create failed: %s\n",
+ rte_strerror(rte_errno));
+ }
}
/*
/* Init port */
printf("Initializing port %u... ", portid);
fflush(stdout);
- rte_eth_dev_info_get(portid, &dev_info);
+ ret = rte_eth_dev_info_get(portid, &dev_info);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Cannot get device info: %s, port=%u\n",
+ rte_strerror(-ret), portid);
+
local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
dev_info.flow_type_rss_offloads;
if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
+ ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
+ rte_eth_tx_buffer_count_callback,
+ &port_statistics.tx_dropped[portid]);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Cannot set error callback for tx buffer on port %u\n",
+ portid);
+
/* Start device */
ret = rte_eth_dev_start(portid);
if (ret < 0)
RTE_ETH_FOREACH_DEV(portid)
port_init(portid, ioat_pktmbuf_pool, nb_queues);
+ /* Initialize port xstats */
+ memset(&port_statistics, 0, sizeof(port_statistics));
+
while (!check_link_status(ioat_enabled_port_mask) && !force_quit)
sleep(1);
if (cfg.nb_lcores < 1)
rte_exit(EXIT_FAILURE,
"There should be at least one slave lcore.\n");
+
+ if (copy_mode == COPY_MODE_IOAT_NUM)
+ assign_rawdevs();
+ else /* copy_mode == COPY_MODE_SW_NUM */
+ assign_rings();
+
+ start_forwarding_cores();
+ /* master core prints stats while other cores forward */
+ print_stats(argv[0]);
+
+ /* force_quit is true when we get here */
+ rte_eal_mp_wait_lcore();
+
+ uint32_t j;
for (i = 0; i < cfg.nb_ports; i++) {
printf("Closing port %d\n", cfg.ports[i].rxtx_port);
rte_eth_dev_stop(cfg.ports[i].rxtx_port);
rte_eth_dev_close(cfg.ports[i].rxtx_port);
+ if (copy_mode == COPY_MODE_IOAT_NUM) {
+ for (j = 0; j < cfg.ports[i].nb_queues; j++) {
+ printf("Stopping rawdev %d\n",
+ cfg.ports[i].ioat_ids[j]);
+ rte_rawdev_stop(cfg.ports[i].ioat_ids[j]);
+ }
+ } else /* copy_mode == COPY_MODE_SW_NUM */
+ rte_ring_free(cfg.ports[i].rx_to_tx_ring);
}
printf("Bye...\n");
git.droids-corp.org / dpdk.git / blobdiff