diff options
Diffstat (limited to 'examples/exception_path/main.c')
| -rw-r--r-- | examples/exception_path/main.c | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c index 89bf1cc0..e551e6d1 100644 --- a/examples/exception_path/main.c +++ b/examples/exception_path/main.c @@ -42,8 +42,10 @@ #include <getopt.h> #include <netinet/in.h> -#include <linux/if.h> +#include <net/if.h> +#ifdef RTE_EXEC_ENV_LINUXAPP #include <linux/if_tun.h> +#endif #include <fcntl.h> #include <sys/ioctl.h> #include <unistd.h> @@ -65,7 +67,6 @@ #include <rte_debug.h> #include <rte_ether.h> #include <rte_ethdev.h> -#include <rte_log.h> #include <rte_mempool.h> #include <rte_mbuf.h> #include <rte_string_fns.h> @@ -182,6 +183,7 @@ signal_handler(int signum) } } +#ifdef RTE_EXEC_ENV_LINUXAPP /* * Create a tap network interface, or use existing one with same name. * If name[0]='\0' then a name is automatically assigned and returned in name. @@ -214,6 +216,29 @@ static int tap_create(char *name) return fd; } +#else +/* + * Find a free tap network interface, or create a new one. + * The name is automatically assigned and returned in name. + */ +static int tap_create(char *name) +{ + int i, fd = -1; + char devname[PATH_MAX]; + + for (i = 0; i < 255; i++) { + snprintf(devname, sizeof(devname), "/dev/tap%d", i); + fd = open(devname, O_RDWR); + if (fd >= 0 || errno != EBUSY) + break; + } + + if (name) + snprintf(name, IFNAMSIZ, "tap%d", i); + + return fd; +} +#endif /* Main processing loop */ static int @@ -422,6 +447,8 @@ static void init_port(uint8_t port) { int ret; + uint16_t nb_rxd = NB_RXD; + uint16_t nb_txd = NB_TXD; /* Initialise device and RX/TX queues */ PRINT_INFO("Initialising port %u ...", (unsigned)port); @@ -431,14 +458,21 @@ init_port(uint8_t port) FATAL_ERROR("Could not configure port%u (%d)", (unsigned)port, ret); - ret = rte_eth_rx_queue_setup(port, 0, NB_RXD, rte_eth_dev_socket_id(port), + ret = rte_eth_dev_adjust_nb_rx_tx_desc(port, &nb_rxd, &nb_txd); + if (ret < 0) + FATAL_ERROR("Could not adjust number of descriptors for port%u (%d)", + (unsigned)port, ret); + + ret = rte_eth_rx_queue_setup(port, 0, nb_rxd, + rte_eth_dev_socket_id(port), NULL, pktmbuf_pool); if (ret < 0) FATAL_ERROR("Could not setup up RX queue for port%u (%d)", (unsigned)port, ret); - ret = rte_eth_tx_queue_setup(port, 0, NB_TXD, rte_eth_dev_socket_id(port), + ret = rte_eth_tx_queue_setup(port, 0, nb_txd, + rte_eth_dev_socket_id(port), NULL); if (ret < 0) FATAL_ERROR("Could not setup up TX queue for port%u (%d)", |