diff options
Diffstat (limited to 'examples/quota_watermark')
| -rw-r--r-- | examples/quota_watermark/qw/args.c | 63 | ||||
| -rw-r--r-- | examples/quota_watermark/qw/init.c | 178 | ||||
| -rw-r--r-- | examples/quota_watermark/qw/main.c | 382 | ||||
| -rw-r--r-- | examples/quota_watermark/qw/main.h | 7 | ||||
| -rw-r--r-- | examples/quota_watermark/qwctl/commands.c | 208 | ||||
| -rw-r--r-- | examples/quota_watermark/qwctl/qwctl.c | 40 | ||||
| -rw-r--r-- | examples/quota_watermark/qwctl/qwctl.h | 1 |
7 files changed, 459 insertions, 420 deletions
diff --git a/examples/quota_watermark/qw/args.c b/examples/quota_watermark/qw/args.c index 408b54d1..6ba77bc0 100644 --- a/examples/quota_watermark/qw/args.c +++ b/examples/quota_watermark/qw/args.c @@ -47,9 +47,9 @@ unsigned int portmask = 0; 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 @@ -61,44 +61,47 @@ parse_portmask(const char *portmask_str) 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; } diff --git a/examples/quota_watermark/qw/init.c b/examples/quota_watermark/qw/init.c index c2087218..b6264fcf 100644 --- a/examples/quota_watermark/qw/init.c +++ b/examples/quota_watermark/qw/init.c @@ -51,124 +51,128 @@ 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 = 1, /**< 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); + *high_watermark = 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, + 3 * sizeof(int), rte_socket_id(), 0); + 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; + high_watermark = (unsigned int *) qw_memzone->addr + 2; } diff --git a/examples/quota_watermark/qw/main.c b/examples/quota_watermark/qw/main.c index 8ed02148..d4fcfde4 100644 --- a/examples/quota_watermark/qw/main.c +++ b/examples/quota_watermark/qw/main.c @@ -60,13 +60,14 @@ #define ETHER_TYPE_FLOW_CONTROL 0x8808 struct ether_fc_frame { - uint16_t opcode; - uint16_t param; + uint16_t opcode; + uint16_t param; } __attribute__((__packed__)); int *quota; unsigned int *low_watermark; +unsigned int *high_watermark; uint8_t port_pairs[RTE_MAX_ETHPORTS]; @@ -76,38 +77,39 @@ struct rte_mempool *mbuf_pool; 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(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); } /** @@ -121,13 +123,13 @@ static void send_pause_frame(uint8_t port_id, uint16_t duration) 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; } /** @@ -139,125 +141,137 @@ get_previous_lcore_id(unsigned int lcore_id) 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; + unsigned int free; - 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, &free); + if (RING_SIZE - free > *high_watermark) { + ring_state[port_id] = RING_OVERLOADED; + send_pause_frame(port_id, 1337); + } - else if (ret == -ENOBUFS) { + if (ret == 0) { - /* 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; + unsigned int free; - 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, NULL); + 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, &free); + if (RING_SIZE - free > *high_watermark) + ring_state[port_id] = RING_OVERLOADED; - else if (ret == -ENOBUFS) { + if (ret == 0) { - /* 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 @@ -265,108 +279,114 @@ send_stage(__attribute__((unused)) void *args) { 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, NULL); + 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_log_set_global_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; } diff --git a/examples/quota_watermark/qw/main.h b/examples/quota_watermark/qw/main.h index 6b364898..8c8e3116 100644 --- a/examples/quota_watermark/qw/main.h +++ b/examples/quota_watermark/qw/main.h @@ -37,12 +37,13 @@ #include "../include/conf.h" enum ring_state { - RING_READY, - RING_OVERLOADED, + RING_READY, + RING_OVERLOADED, }; extern int *quota; extern unsigned int *low_watermark; +extern unsigned int *high_watermark; extern uint8_t port_pairs[RTE_MAX_ETHPORTS]; @@ -53,7 +54,7 @@ extern struct rte_mempool *mbuf_pool; static inline int is_bit_set(int i, unsigned int mask) { - return (1 << i) & mask; + return (1 << i) & mask; } #endif /* _MAIN_H_ */ diff --git a/examples/quota_watermark/qwctl/commands.c b/examples/quota_watermark/qwctl/commands.c index 5348dd3d..5cac0e17 100644 --- a/examples/quota_watermark/qwctl/commands.c +++ b/examples/quota_watermark/qwctl/commands.c @@ -53,36 +53,36 @@ */ 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, + }, }; @@ -91,69 +91,74 @@ cmdline_parse_inst_t cmd_help = { */ 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) + *high_watermark = 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, + }, }; @@ -162,56 +167,59 @@ cmdline_parse_inst_t cmd_set = { */ 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, }; diff --git a/examples/quota_watermark/qwctl/qwctl.c b/examples/quota_watermark/qwctl/qwctl.c index 29c501ca..18ec17a1 100644 --- a/examples/quota_watermark/qwctl/qwctl.c +++ b/examples/quota_watermark/qwctl/qwctl.c @@ -55,40 +55,42 @@ int *quota; unsigned int *low_watermark; +unsigned int *high_watermark; 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; + high_watermark = (unsigned int *) qw_memzone->addr + 2; } int main(int argc, char **argv) { - int ret; - struct cmdline *cl; + int ret; + struct cmdline *cl; - rte_set_log_level(RTE_LOG_INFO); + rte_log_set_global_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; } diff --git a/examples/quota_watermark/qwctl/qwctl.h b/examples/quota_watermark/qwctl/qwctl.h index 8d146e57..545914b3 100644 --- a/examples/quota_watermark/qwctl/qwctl.h +++ b/examples/quota_watermark/qwctl/qwctl.h @@ -36,5 +36,6 @@ extern int *quota; extern unsigned int *low_watermark; +extern unsigned int *high_watermark; #endif /* _MAIN_H_ */ |