static void
usage(const char *prgname)
{
- fprintf(stderr, "Usage: %s [EAL args] -- -p <portmask>\n"
- "-p PORTMASK: hexadecimal bitmask of NIC ports to configure\n",
- prgname);
+
fprintf(stderr, "Usage: %s [EAL args] -- -p <portmask>\n"
+ "-p PORTMASK: hexadecimal bitmask of NIC ports to configure\n",
+ prgname);
}
static unsigned long
static void
check_core_count(void)
{
- if (rte_lcore_count() < 3)
- rte_exit(EXIT_FAILURE, "At least 3 cores need to be passed in the coremask\n");
+ if (rte_lcore_count() < 3)
+ rte_exit(EXIT_FAILURE,
+ "At least 3 cores need to be passed in the coremask\n");
}
static void
check_portmask_value(unsigned int portmask)
{
- unsigned int port_nb = 0;
+ unsigned int port_nb = 0;
- port_nb = __builtin_popcount(portmask);
+ port_nb = __builtin_popcount(portmask);
- if (port_nb == 0)
- rte_exit(EXIT_FAILURE, "At least 2 ports need to be passed in the portmask\n");
+ if (port_nb == 0)
+ rte_exit(EXIT_FAILURE,
+ "At least 2 ports need to be passed in the portmask\n");
- if (port_nb % 2 != 0)
- rte_exit(EXIT_FAILURE, "An even number of ports is required in the portmask\n");
+ if (port_nb % 2 != 0)
+ rte_exit(EXIT_FAILURE,
+ "An even number of ports is required in the portmask\n");
}
int
parse_qw_args(int argc, char **argv)
{
- int opt;
-
- while ((opt = getopt(argc, argv, "h:p:")) != -1) {
- switch (opt) {
- case 'h':
- usage(argv[0]);
- break;
- case 'p':
- portmask = parse_portmask(optarg);
- break;
- default:
- usage(argv[0]);
- }
- }
-
- check_core_count();
- check_portmask_value(portmask);
-
- return 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "h:p:")) != -1) {
+ switch (opt) {
+ case 'h':
+ usage(argv[0]);
+ break;
+ case 'p':
+ portmask = parse_portmask(optarg);
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ check_core_count();
+ check_portmask_value(portmask);
+
+ return 0;
}
static const struct rte_eth_conf port_conf = {
- .rxmode = {
- .split_hdr_size = 0,
- .header_split = 0, /**< Header Split disabled */
- .hw_ip_checksum = 0, /**< IP checksum offload disabled */
- .hw_vlan_filter = 0, /**< VLAN filtering disabled */
- .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
- .hw_strip_crc = 0, /**< CRC stripped by hardware */
- },
- .txmode = {
- .mq_mode = ETH_DCB_NONE,
- },
+ .rxmode = {
+ .split_hdr_size = 0,
+ .header_split = 0, /**< Header Split disabled */
+ .hw_ip_checksum = 0, /**< IP csum offload disabled */
+ .hw_vlan_filter = 0, /**< VLAN filtering disabled */
+ .jumbo_frame = 0, /**< Jumbo Frame disabled */
+ .hw_strip_crc = 0, /**< CRC stripped by hardware */
+ },
+ .txmode = {
+ .mq_mode = ETH_DCB_NONE,
+ },
};
static struct rte_eth_fc_conf fc_conf = {
- .mode = RTE_FC_TX_PAUSE,
- .high_water = 80 * 510 / 100,
- .low_water = 60 * 510 / 100,
- .pause_time = 1337,
- .send_xon = 0,
+ .mode = RTE_FC_TX_PAUSE,
+ .high_water = 80 * 510 / 100,
+ .low_water = 60 * 510 / 100,
+ .pause_time = 1337,
+ .send_xon = 0,
};
void configure_eth_port(uint8_t port_id)
{
- int ret;
-
- rte_eth_dev_stop(port_id);
-
- ret = rte_eth_dev_configure(port_id, 1, 1, &port_conf);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
- (unsigned) port_id, ret);
-
- /* Initialize the port's RX queue */
- ret = rte_eth_rx_queue_setup(port_id, 0, RX_DESC_PER_QUEUE,
- rte_eth_dev_socket_id(port_id),
- NULL,
- mbuf_pool);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Failed to setup RX queue on "
- "port %u (error %d)\n", (unsigned) port_id, ret);
-
- /* Initialize the port's TX queue */
- ret = rte_eth_tx_queue_setup(port_id, 0, TX_DESC_PER_QUEUE,
- rte_eth_dev_socket_id(port_id),
- NULL);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Failed to setup TX queue on "
- "port %u (error %d)\n", (unsigned) port_id, ret);
-
- /* Initialize the port's flow control */
- ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Failed to setup hardware flow control on "
- "port %u (error %d)\n", (unsigned) port_id, ret);
-
- /* Start the port */
- ret = rte_eth_dev_start(port_id);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
- (unsigned) port_id, ret);
-
- /* Put it in promiscuous mode */
- rte_eth_promiscuous_enable(port_id);
+ int ret;
+
+ rte_eth_dev_stop(port_id);
+
+ ret = rte_eth_dev_configure(port_id, 1, 1, &port_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
+ (unsigned int) port_id, ret);
+
+ /* Initialize the port's RX queue */
+ ret = rte_eth_rx_queue_setup(port_id, 0, RX_DESC_PER_QUEUE,
+ rte_eth_dev_socket_id(port_id),
+ NULL,
+ mbuf_pool);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to setup RX queue on port %u (error %d)\n",
+ (unsigned int) port_id, ret);
+
+ /* Initialize the port's TX queue */
+ ret = rte_eth_tx_queue_setup(port_id, 0, TX_DESC_PER_QUEUE,
+ rte_eth_dev_socket_id(port_id),
+ NULL);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to setup TX queue on port %u (error %d)\n",
+ (unsigned int) port_id, ret);
+
+ /* Initialize the port's flow control */
+ ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to setup hardware flow control on port %u (error %d)\n",
+ (unsigned int) port_id, ret);
+
+ /* Start the port */
+ ret = rte_eth_dev_start(port_id);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
+ (unsigned int) port_id, ret);
+
+ /* Put it in promiscuous mode */
+ rte_eth_promiscuous_enable(port_id);
}
void
init_dpdk(void)
{
- if (rte_eth_dev_count() < 2)
- rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
+ if (rte_eth_dev_count() < 2)
+ rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
}
void init_ring(int lcore_id, uint8_t port_id)
{
- struct rte_ring *ring;
- char ring_name[RTE_RING_NAMESIZE];
+ struct rte_ring *ring;
+ char ring_name[RTE_RING_NAMESIZE];
- snprintf(ring_name, RTE_RING_NAMESIZE,
- "core%d_port%d", lcore_id, port_id);
- ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
- RING_F_SP_ENQ | RING_F_SC_DEQ);
+ snprintf(ring_name, RTE_RING_NAMESIZE,
+ "core%d_port%d", lcore_id, port_id);
+ ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
+ RING_F_SP_ENQ | RING_F_SC_DEQ);
- if (ring == NULL)
- rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+ if (ring == NULL)
+ rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
- rte_ring_set_water_mark(ring, 80 * RING_SIZE / 100);
+ rte_ring_set_water_mark(ring, 80 * RING_SIZE / 100);
- rings[lcore_id][port_id] = ring;
+ rings[lcore_id][port_id] = ring;
}
void
pair_ports(void)
{
- uint8_t i, j;
-
- /* Pair ports with their "closest neighbour" in the portmask */
- for (i = 0; i < RTE_MAX_ETHPORTS; i++)
- if (is_bit_set(i, portmask))
- for (j = (uint8_t) (i + 1); j < RTE_MAX_ETHPORTS; j++)
- if (is_bit_set(j, portmask)) {
- port_pairs[i] = j;
- port_pairs[j] = i;
- i = j;
- break;
- }
+ uint8_t i, j;
+
+ /* Pair ports with their "closest neighbour" in the portmask */
+ for (i = 0; i < RTE_MAX_ETHPORTS; i++)
+ if (is_bit_set(i, portmask))
+ for (j = (uint8_t) (i + 1); j < RTE_MAX_ETHPORTS; j++)
+ if (is_bit_set(j, portmask)) {
+ port_pairs[i] = j;
+ port_pairs[j] = i;
+ i = j;
+ break;
+ }
}
void
setup_shared_variables(void)
{
- const struct rte_memzone *qw_memzone;
+ const struct rte_memzone *qw_memzone;
- qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME, 2 * sizeof(int),
- rte_socket_id(), RTE_MEMZONE_2MB);
- if (qw_memzone == NULL)
- rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+ qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME,
+ 2 * sizeof(int), rte_socket_id(), RTE_MEMZONE_2MB);
+ if (qw_memzone == NULL)
+ rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
- quota = qw_memzone->addr;
- low_watermark = (unsigned int *) qw_memzone->addr + 1;
+ quota = qw_memzone->addr;
+ low_watermark = (unsigned int *) qw_memzone->addr + 1;
}
#define ETHER_TYPE_FLOW_CONTROL 0x8808
struct ether_fc_frame {
- uint16_t opcode;
- uint16_t param;
+ uint16_t opcode;
+ uint16_t param;
} __attribute__((__packed__));
static void send_pause_frame(uint8_t port_id, uint16_t duration)
{
- struct rte_mbuf *mbuf;
- struct ether_fc_frame *pause_frame;
- struct ether_hdr *hdr;
- struct ether_addr mac_addr;
+ struct rte_mbuf *mbuf;
+ struct ether_fc_frame *pause_frame;
+ struct ether_hdr *hdr;
+ struct ether_addr mac_addr;
- RTE_LOG_DP(DEBUG, USER1, "Sending PAUSE frame (duration=%d) on port %d\n",
- duration, port_id);
+ RTE_LOG_DP(DEBUG, USER1,
+ "Sending PAUSE frame (duration=%d) on port %d\n",
+ duration, port_id);
- /* Get a mbuf from the pool */
- mbuf = rte_pktmbuf_alloc(mbuf_pool);
- if (unlikely(mbuf == NULL))
- return;
+ /* Get a mbuf from the pool */
+ mbuf = rte_pktmbuf_alloc(mbuf_pool);
+ if (unlikely(mbuf == NULL))
+ return;
- /* Prepare a PAUSE frame */
- hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
- pause_frame = (struct ether_fc_frame *) &hdr[1];
+ /* Prepare a PAUSE frame */
+ hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
+ pause_frame = (struct ether_fc_frame *) &hdr[1];
- rte_eth_macaddr_get(port_id, &mac_addr);
- ether_addr_copy(&mac_addr, &hdr->s_addr);
+ rte_eth_macaddr_get(port_id, &mac_addr);
+ ether_addr_copy(&mac_addr, &hdr->s_addr);
- void *tmp = &hdr->d_addr.addr_bytes[0];
- *((uint64_t *)tmp) = 0x010000C28001ULL;
+ void *tmp = &hdr->d_addr.addr_bytes[0];
+ *((uint64_t *)tmp) = 0x010000C28001ULL;
- hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_FLOW_CONTROL);
+ hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_FLOW_CONTROL);
- pause_frame->opcode = rte_cpu_to_be_16(0x0001);
- pause_frame->param = rte_cpu_to_be_16(duration);
+ pause_frame->opcode = rte_cpu_to_be_16(0x0001);
+ pause_frame->param = rte_cpu_to_be_16(duration);
- mbuf->pkt_len = 60;
- mbuf->data_len = 60;
+ mbuf->pkt_len = 60;
+ mbuf->data_len = 60;
- rte_eth_tx_burst(port_id, 0, &mbuf, 1);
+ rte_eth_tx_burst(port_id, 0, &mbuf, 1);
}
/**
static unsigned int
get_previous_lcore_id(unsigned int lcore_id)
{
- int i;
+ int i;
- for (i = lcore_id - 1; i >= 0; i--)
- if (rte_lcore_is_enabled(i))
- return i;
+ for (i = lcore_id - 1; i >= 0; i--)
+ if (rte_lcore_is_enabled(i))
+ return i;
- return -1;
+ return -1;
}
/**
static unsigned int
get_last_lcore_id(void)
{
- int i;
+ int i;
- for (i = RTE_MAX_LCORE; i >= 0; i--)
- if (rte_lcore_is_enabled(i))
- return i;
+ for (i = RTE_MAX_LCORE; i >= 0; i--)
+ if (rte_lcore_is_enabled(i))
+ return i;
- return 0;
+ return 0;
}
static void
receive_stage(__attribute__((unused)) void *args)
{
- int i, ret;
+ int i, ret;
- uint8_t port_id;
- uint16_t nb_rx_pkts;
+ uint8_t port_id;
+ uint16_t nb_rx_pkts;
- unsigned int lcore_id;
+ unsigned int lcore_id;
- struct rte_mbuf *pkts[MAX_PKT_QUOTA];
- struct rte_ring *ring;
- enum ring_state ring_state[RTE_MAX_ETHPORTS] = { RING_READY };
+ struct rte_mbuf *pkts[MAX_PKT_QUOTA];
+ struct rte_ring *ring;
+ enum ring_state ring_state[RTE_MAX_ETHPORTS] = { RING_READY };
- lcore_id = rte_lcore_id();
+ lcore_id = rte_lcore_id();
- RTE_LOG(INFO, USER1,
- "%s() started on core %u\n", __func__, lcore_id);
+ RTE_LOG(INFO, USER1,
+ "%s() started on core %u\n", __func__, lcore_id);
- while (1) {
+ while (1) {
- /* Process each port round robin style */
- for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
+ /* Process each port round robin style */
+ for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
- if (!is_bit_set(port_id, portmask))
- continue;
+ if (!is_bit_set(port_id, portmask))
+ continue;
- ring = rings[lcore_id][port_id];
+ ring = rings[lcore_id][port_id];
- if (ring_state[port_id] != RING_READY) {
- if (rte_ring_count(ring) > *low_watermark)
- continue;
- else
- ring_state[port_id] = RING_READY;
- }
+ if (ring_state[port_id] != RING_READY) {
+ if (rte_ring_count(ring) > *low_watermark)
+ continue;
+ else
+ ring_state[port_id] = RING_READY;
+ }
- /* Enqueue received packets on the RX ring */
- nb_rx_pkts = rte_eth_rx_burst(port_id, 0, pkts, (uint16_t) *quota);
- ret = rte_ring_enqueue_bulk(ring, (void *) pkts, nb_rx_pkts);
- if (ret == -EDQUOT) {
- ring_state[port_id] = RING_OVERLOADED;
- send_pause_frame(port_id, 1337);
- }
+ /* Enqueue received packets on the RX ring */
+ nb_rx_pkts = rte_eth_rx_burst(port_id, 0, pkts,
+ (uint16_t) *quota);
+ ret = rte_ring_enqueue_bulk(ring, (void *) pkts,
+ nb_rx_pkts);
+ if (ret == -EDQUOT) {
+ ring_state[port_id] = RING_OVERLOADED;
+ send_pause_frame(port_id, 1337);
+ }
- else if (ret == -ENOBUFS) {
+ else if (ret == -ENOBUFS) {
- /* Return mbufs to the pool, effectively dropping packets */
- for (i = 0; i < nb_rx_pkts; i++)
- rte_pktmbuf_free(pkts[i]);
- }
- }
- }
+ /*
+ * Return mbufs to the pool,
+ * effectively dropping packets
+ */
+ for (i = 0; i < nb_rx_pkts; i++)
+ rte_pktmbuf_free(pkts[i]);
+ }
+ }
+ }
}
static void
pipeline_stage(__attribute__((unused)) void *args)
{
- int i, ret;
- int nb_dq_pkts;
+ int i, ret;
+ int nb_dq_pkts;
- uint8_t port_id;
+ uint8_t port_id;
- unsigned int lcore_id, previous_lcore_id;
+ unsigned int lcore_id, previous_lcore_id;
- void *pkts[MAX_PKT_QUOTA];
- struct rte_ring *rx, *tx;
- enum ring_state ring_state[RTE_MAX_ETHPORTS] = { RING_READY };
+ void *pkts[MAX_PKT_QUOTA];
+ struct rte_ring *rx, *tx;
+ enum ring_state ring_state[RTE_MAX_ETHPORTS] = { RING_READY };
- lcore_id = rte_lcore_id();
- previous_lcore_id = get_previous_lcore_id(lcore_id);
+ lcore_id = rte_lcore_id();
+ previous_lcore_id = get_previous_lcore_id(lcore_id);
- RTE_LOG(INFO, USER1,
- "%s() started on core %u - processing packets from core %u\n",
- __func__, lcore_id, previous_lcore_id);
+ RTE_LOG(INFO, USER1,
+ "%s() started on core %u - processing packets from core %u\n",
+ __func__, lcore_id, previous_lcore_id);
- while (1) {
+ while (1) {
- for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
+ for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
- if (!is_bit_set(port_id, portmask))
- continue;
+ if (!is_bit_set(port_id, portmask))
+ continue;
- tx = rings[lcore_id][port_id];
- rx = rings[previous_lcore_id][port_id];
+ tx = rings[lcore_id][port_id];
+ rx = rings[previous_lcore_id][port_id];
- if (ring_state[port_id] != RING_READY) {
- if (rte_ring_count(tx) > *low_watermark)
- continue;
- else
- ring_state[port_id] = RING_READY;
- }
+ if (ring_state[port_id] != RING_READY) {
+ if (rte_ring_count(tx) > *low_watermark)
+ continue;
+ else
+ ring_state[port_id] = RING_READY;
+ }
- /* Dequeue up to quota mbuf from rx */
- nb_dq_pkts = rte_ring_dequeue_burst(rx, pkts, *quota);
- if (unlikely(nb_dq_pkts < 0))
- continue;
+ /* Dequeue up to quota mbuf from rx */
+ nb_dq_pkts = rte_ring_dequeue_burst(rx, pkts, *quota);
+ if (unlikely(nb_dq_pkts < 0))
+ continue;
- /* Enqueue them on tx */
- ret = rte_ring_enqueue_bulk(tx, pkts, nb_dq_pkts);
- if (ret == -EDQUOT)
- ring_state[port_id] = RING_OVERLOADED;
+ /* Enqueue them on tx */
+ ret = rte_ring_enqueue_bulk(tx, pkts, nb_dq_pkts);
+ if (ret == -EDQUOT)
+ ring_state[port_id] = RING_OVERLOADED;
- else if (ret == -ENOBUFS) {
+ else if (ret == -ENOBUFS) {
- /* Return mbufs to the pool, effectively dropping packets */
- for (i = 0; i < nb_dq_pkts; i++)
- rte_pktmbuf_free(pkts[i]);
- }
- }
- }
+ /*
+ * Return mbufs to the pool,
+ * effectively dropping packets
+ */
+ for (i = 0; i < nb_dq_pkts; i++)
+ rte_pktmbuf_free(pkts[i]);
+ }
+ }
+ }
}
static void
{
uint16_t nb_dq_pkts;
- uint8_t port_id;
- uint8_t dest_port_id;
+ uint8_t port_id;
+ uint8_t dest_port_id;
- unsigned int lcore_id, previous_lcore_id;
+ unsigned int lcore_id, previous_lcore_id;
- struct rte_ring *tx;
- struct rte_mbuf *tx_pkts[MAX_PKT_QUOTA];
+ struct rte_ring *tx;
+ struct rte_mbuf *tx_pkts[MAX_PKT_QUOTA];
- lcore_id = rte_lcore_id();
- previous_lcore_id = get_previous_lcore_id(lcore_id);
+ lcore_id = rte_lcore_id();
+ previous_lcore_id = get_previous_lcore_id(lcore_id);
- RTE_LOG(INFO, USER1,
- "%s() started on core %u - processing packets from core %u\n",
- __func__, lcore_id, previous_lcore_id);
+ RTE_LOG(INFO, USER1,
+ "%s() started on core %u - processing packets from core %u\n",
+ __func__, lcore_id, previous_lcore_id);
- while (1) {
+ while (1) {
- /* Process each ring round robin style */
- for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
+ /* Process each ring round robin style */
+ for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
- if (!is_bit_set(port_id, portmask))
- continue;
+ if (!is_bit_set(port_id, portmask))
+ continue;
- dest_port_id = port_pairs[port_id];
- tx = rings[previous_lcore_id][port_id];
+ dest_port_id = port_pairs[port_id];
+ tx = rings[previous_lcore_id][port_id];
- if (rte_ring_empty(tx))
- continue;
+ if (rte_ring_empty(tx))
+ continue;
- /* Dequeue packets from tx and send them */
- nb_dq_pkts = (uint16_t) rte_ring_dequeue_burst(tx, (void *) tx_pkts, *quota);
- rte_eth_tx_burst(dest_port_id, 0, tx_pkts, nb_dq_pkts);
+ /* Dequeue packets from tx and send them */
+ nb_dq_pkts = (uint16_t) rte_ring_dequeue_burst(tx,
+ (void *) tx_pkts, *quota);
+ rte_eth_tx_burst(dest_port_id, 0, tx_pkts, nb_dq_pkts);
- /* TODO: Check if nb_dq_pkts == nb_tx_pkts? */
- }
- }
+ /* TODO: Check if nb_dq_pkts == nb_tx_pkts? */
+ }
+ }
}
int
main(int argc, char **argv)
{
- int ret;
- unsigned int lcore_id, master_lcore_id, last_lcore_id;
+ int ret;
+ unsigned int lcore_id, master_lcore_id, last_lcore_id;
- uint8_t port_id;
+ uint8_t port_id;
- rte_set_log_level(RTE_LOG_INFO);
+ rte_set_log_level(RTE_LOG_INFO);
- ret = rte_eal_init(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Cannot initialize EAL\n");
+ ret = rte_eal_init(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Cannot initialize EAL\n");
- argc -= ret;
- argv += ret;
+ argc -= ret;
+ argv += ret;
- init_dpdk();
- setup_shared_variables();
+ init_dpdk();
+ setup_shared_variables();
- *quota = 32;
- *low_watermark = 60 * RING_SIZE / 100;
+ *quota = 32;
+ *low_watermark = 60 * RING_SIZE / 100;
- last_lcore_id = get_last_lcore_id();
- master_lcore_id = rte_get_master_lcore();
+ last_lcore_id = get_last_lcore_id();
+ master_lcore_id = rte_get_master_lcore();
- /* Parse the application's arguments */
- ret = parse_qw_args(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Invalid quota/watermark argument(s)\n");
+ /* Parse the application's arguments */
+ ret = parse_qw_args(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid quota/watermark argument(s)\n");
- /* Create a pool of mbuf to store packets */
- mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", MBUF_PER_POOL, 32, 0,
- MBUF_DATA_SIZE, rte_socket_id());
- if (mbuf_pool == NULL)
- rte_panic("%s\n", rte_strerror(rte_errno));
+ /* Create a pool of mbuf to store packets */
+ mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", MBUF_PER_POOL, 32, 0,
+ MBUF_DATA_SIZE, rte_socket_id());
+ if (mbuf_pool == NULL)
+ rte_panic("%s\n", rte_strerror(rte_errno));
- for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
- if (is_bit_set(port_id, portmask)) {
- configure_eth_port(port_id);
- init_ring(master_lcore_id, port_id);
- }
+ for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
+ if (is_bit_set(port_id, portmask)) {
+ configure_eth_port(port_id);
+ init_ring(master_lcore_id, port_id);
+ }
- pair_ports();
+ pair_ports();
- /* Start pipeline_connect() on all the available slave lcore but the last */
- for (lcore_id = 0 ; lcore_id < last_lcore_id; lcore_id++) {
- if (rte_lcore_is_enabled(lcore_id) && lcore_id != master_lcore_id) {
+ /*
+ * Start pipeline_connect() on all the available slave lcores
+ * but the last
+ */
+ for (lcore_id = 0 ; lcore_id < last_lcore_id; lcore_id++) {
+ if (rte_lcore_is_enabled(lcore_id) &&
+ lcore_id != master_lcore_id) {
- for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
- if (is_bit_set(port_id, portmask))
- init_ring(lcore_id, port_id);
+ for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
+ if (is_bit_set(port_id, portmask))
+ init_ring(lcore_id, port_id);
- /* typecast is a workaround for GCC 4.3 bug */
- rte_eal_remote_launch((int (*)(void *))pipeline_stage, NULL, lcore_id);
- }
- }
+ /* typecast is a workaround for GCC 4.3 bug */
+ rte_eal_remote_launch((int (*)(void *))pipeline_stage,
+ NULL, lcore_id);
+ }
+ }
- /* Start send_stage() on the last slave core */
- /* typecast is a workaround for GCC 4.3 bug */
- rte_eal_remote_launch((int (*)(void *))send_stage, NULL, last_lcore_id);
+ /* Start send_stage() on the last slave core */
+ /* typecast is a workaround for GCC 4.3 bug */
+ rte_eal_remote_launch((int (*)(void *))send_stage, NULL, last_lcore_id);
- /* Start receive_stage() on the master core */
- receive_stage(NULL);
+ /* Start receive_stage() on the master core */
+ receive_stage(NULL);
- return 0;
+ return 0;
}
#include "../include/conf.h"
enum ring_state {
- RING_READY,
- RING_OVERLOADED,
+ RING_READY,
+ RING_OVERLOADED,
};
extern int *quota;
static inline int
is_bit_set(int i, unsigned int mask)
{
- return (1 << i) & mask;
+ return (1 << i) & mask;
}
#endif /* _MAIN_H_ */
*/
struct cmd_help_tokens {
- cmdline_fixed_string_t verb;
+ cmdline_fixed_string_t verb;
};
cmdline_parse_token_string_t cmd_help_verb =
- TOKEN_STRING_INITIALIZER(struct cmd_help_tokens, verb, "help");
+ TOKEN_STRING_INITIALIZER(struct cmd_help_tokens, verb, "help");
static void
cmd_help_handler(__attribute__((unused)) void *parsed_result,
- struct cmdline *cl,
- __attribute__((unused)) void *data)
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
{
- cmdline_printf(cl, "Available commands:\n"
- "- help\n"
- "- set [ring_name|variable] <value>\n"
- "- show [ring_name|variable]\n"
- "\n"
- "Available variables:\n"
- "- low_watermark\n"
- "- quota\n"
- "- ring names follow the core%%u_port%%u format\n");
+ cmdline_printf(cl, "Available commands:\n"
+ "- help\n"
+ "- set [ring_name|variable] <value>\n"
+ "- show [ring_name|variable]\n"
+ "\n"
+ "Available variables:\n"
+ "- low_watermark\n"
+ "- quota\n"
+ "- ring names follow the core%%u_port%%u format\n");
}
cmdline_parse_inst_t cmd_help = {
- .f = cmd_help_handler,
- .data = NULL,
- .help_str = "show help",
- .tokens = {
- (void *) &cmd_help_verb,
- NULL,
- },
+ .f = cmd_help_handler,
+ .data = NULL,
+ .help_str = "show help",
+ .tokens = {
+ (void *) &cmd_help_verb,
+ NULL,
+ },
};
*/
struct cmd_set_tokens {
- cmdline_fixed_string_t verb;
- cmdline_fixed_string_t variable;
- uint32_t value;
+ cmdline_fixed_string_t verb;
+ cmdline_fixed_string_t variable;
+ uint32_t value;
};
cmdline_parse_token_string_t cmd_set_verb =
- TOKEN_STRING_INITIALIZER(struct cmd_set_tokens, verb, "set");
+ TOKEN_STRING_INITIALIZER(struct cmd_set_tokens, verb, "set");
cmdline_parse_token_string_t cmd_set_variable =
- TOKEN_STRING_INITIALIZER(struct cmd_set_tokens, variable, NULL);
+ TOKEN_STRING_INITIALIZER(struct cmd_set_tokens, variable, NULL);
cmdline_parse_token_num_t cmd_set_value =
- TOKEN_NUM_INITIALIZER(struct cmd_set_tokens, value, UINT32);
+ TOKEN_NUM_INITIALIZER(struct cmd_set_tokens, value, UINT32);
static void
cmd_set_handler(__attribute__((unused)) void *parsed_result,
- struct cmdline *cl,
- __attribute__((unused)) void *data)
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
{
- struct cmd_set_tokens *tokens = parsed_result;
- struct rte_ring *ring;
-
- if (!strcmp(tokens->variable, "quota")) {
-
- if (tokens->value > 0 && tokens->value <= MAX_PKT_QUOTA)
- *quota = tokens->value;
- else
- cmdline_printf(cl, "quota must be between 1 and %u\n", MAX_PKT_QUOTA);
- }
-
- else if (!strcmp(tokens->variable, "low_watermark")) {
-
- if (tokens->value <= 100)
- *low_watermark = tokens->value * RING_SIZE / 100;
- else
- cmdline_printf(cl, "low_watermark must be between 0%% and 100%%\n");
- }
-
- else {
-
- ring = rte_ring_lookup(tokens->variable);
- if (ring == NULL)
- cmdline_printf(cl, "Cannot find ring \"%s\"\n", tokens->variable);
- else
- if (tokens->value >= *low_watermark * 100 / RING_SIZE
- && tokens->value <= 100)
- rte_ring_set_water_mark(ring, tokens->value * RING_SIZE / 100);
- else
- cmdline_printf(cl, "ring high watermark must be between %u%% "
- "and 100%%\n", *low_watermark * 100 / RING_SIZE);
- }
+ struct cmd_set_tokens *tokens = parsed_result;
+ struct rte_ring *ring;
+
+ if (!strcmp(tokens->variable, "quota")) {
+
+ if (tokens->value > 0 && tokens->value <= MAX_PKT_QUOTA)
+ *quota = tokens->value;
+ else
+ cmdline_printf(cl, "quota must be between 1 and %u\n",
+ MAX_PKT_QUOTA);
+ }
+
+ else if (!strcmp(tokens->variable, "low_watermark")) {
+
+ if (tokens->value <= 100)
+ *low_watermark = tokens->value * RING_SIZE / 100;
+ else
+ cmdline_printf(cl,
+ "low_watermark must be between 0%% and 100%%\n");
+ }
+
+ else {
+
+ ring = rte_ring_lookup(tokens->variable);
+ if (ring == NULL)
+ cmdline_printf(cl, "Cannot find ring \"%s\"\n",
+ tokens->variable);
+ else
+ if (tokens->value >= *low_watermark * 100 / RING_SIZE
+ && tokens->value <= 100)
+ rte_ring_set_water_mark(ring,
+ tokens->value * RING_SIZE / 100);
+ else
+ cmdline_printf(cl,
+ "ring high watermark must be between %u%% and 100%%\n",
+ *low_watermark * 100 / RING_SIZE);
+ }
}
cmdline_parse_inst_t cmd_set = {
- .f = cmd_set_handler,
- .data = NULL,
- .help_str = "Set a variable value",
- .tokens = {
- (void *) &cmd_set_verb,
- (void *) &cmd_set_variable,
- (void *) &cmd_set_value,
- NULL,
- },
+ .f = cmd_set_handler,
+ .data = NULL,
+ .help_str = "Set a variable value",
+ .tokens = {
+ (void *) &cmd_set_verb,
+ (void *) &cmd_set_variable,
+ (void *) &cmd_set_value,
+ NULL,
+ },
};
*/
struct cmd_show_tokens {
- cmdline_fixed_string_t verb;
- cmdline_fixed_string_t variable;
+ cmdline_fixed_string_t verb;
+ cmdline_fixed_string_t variable;
};
cmdline_parse_token_string_t cmd_show_verb =
- TOKEN_STRING_INITIALIZER(struct cmd_show_tokens, verb, "show");
+ TOKEN_STRING_INITIALIZER(struct cmd_show_tokens, verb, "show");
cmdline_parse_token_string_t cmd_show_variable =
- TOKEN_STRING_INITIALIZER(struct cmd_show_tokens, variable, NULL);
+ TOKEN_STRING_INITIALIZER(struct cmd_show_tokens,
+ variable, NULL);
static void
cmd_show_handler(__attribute__((unused)) void *parsed_result,
- struct cmdline *cl,
- __attribute__((unused)) void *data)
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
{
- struct cmd_show_tokens *tokens = parsed_result;
- struct rte_ring *ring;
+ struct cmd_show_tokens *tokens = parsed_result;
+ struct rte_ring *ring;
- if (!strcmp(tokens->variable, "quota"))
- cmdline_printf(cl, "Global quota: %d\n", *quota);
+ if (!strcmp(tokens->variable, "quota"))
+ cmdline_printf(cl, "Global quota: %d\n", *quota);
- else if (!strcmp(tokens->variable, "low_watermark"))
- cmdline_printf(cl, "Global low_watermark: %u\n", *low_watermark);
+ else if (!strcmp(tokens->variable, "low_watermark"))
+ cmdline_printf(cl, "Global low_watermark: %u\n",
+ *low_watermark);
- else {
+ else {
- ring = rte_ring_lookup(tokens->variable);
- if (ring == NULL)
- cmdline_printf(cl, "Cannot find ring \"%s\"\n", tokens->variable);
- else
- rte_ring_dump(stdout, ring);
- }
+ ring = rte_ring_lookup(tokens->variable);
+ if (ring == NULL)
+ cmdline_printf(cl, "Cannot find ring \"%s\"\n",
+ tokens->variable);
+ else
+ rte_ring_dump(stdout, ring);
+ }
}
cmdline_parse_inst_t cmd_show = {
- .f = cmd_show_handler,
- .data = NULL,
- .help_str = "Show a variable value",
- .tokens = {
- (void *) &cmd_show_verb,
- (void *) &cmd_show_variable,
- NULL,
- },
+ .f = cmd_show_handler,
+ .data = NULL,
+ .help_str = "Show a variable value",
+ .tokens = {
+ (void *) &cmd_show_verb,
+ (void *) &cmd_show_variable,
+ NULL,
+ },
};
cmdline_parse_ctx_t qwctl_ctx[] = {
- (cmdline_parse_inst_t *)&cmd_help,
- (cmdline_parse_inst_t *)&cmd_set,
- (cmdline_parse_inst_t *)&cmd_show,
- NULL,
+ (cmdline_parse_inst_t *)&cmd_help,
+ (cmdline_parse_inst_t *)&cmd_set,
+ (cmdline_parse_inst_t *)&cmd_show,
+ NULL,
};
static void
setup_shared_variables(void)
{
- const struct rte_memzone *qw_memzone;
+ const struct rte_memzone *qw_memzone;
- qw_memzone = rte_memzone_lookup(QUOTA_WATERMARK_MEMZONE_NAME);
- if (qw_memzone == NULL)
- rte_exit(EXIT_FAILURE, "Couldn't find memzone\n");
+ qw_memzone = rte_memzone_lookup(QUOTA_WATERMARK_MEMZONE_NAME);
+ if (qw_memzone == NULL)
+ rte_exit(EXIT_FAILURE, "Couldn't find memzone\n");
- quota = qw_memzone->addr;
- low_watermark = (unsigned int *) qw_memzone->addr + 1;
+ quota = qw_memzone->addr;
+ low_watermark = (unsigned int *) qw_memzone->addr + 1;
}
int main(int argc, char **argv)
{
- int ret;
- struct cmdline *cl;
+ int ret;
+ struct cmdline *cl;
- rte_set_log_level(RTE_LOG_INFO);
+ rte_set_log_level(RTE_LOG_INFO);
- ret = rte_eal_init(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Cannot initialize EAL\n");
+ ret = rte_eal_init(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Cannot initialize EAL\n");
- setup_shared_variables();
+ setup_shared_variables();
- cl = cmdline_stdin_new(qwctl_ctx, "qwctl> ");
- if (cl == NULL)
- rte_exit(EXIT_FAILURE, "Cannot create cmdline instance\n");
+ cl = cmdline_stdin_new(qwctl_ctx, "qwctl> ");
+ if (cl == NULL)
+ rte_exit(EXIT_FAILURE, "Cannot create cmdline instance\n");
- cmdline_interact(cl);
- cmdline_stdin_exit(cl);
+ cmdline_interact(cl);
+ cmdline_stdin_exit(cl);
- return 0;
+ return 0;
}
git.droids-corp.org / dpdk.git / commitdiff