New upstream version 18.11-rc1

[deb_dpdk.git] / test / test / test_kni.c

diff --git a/test/test/test_kni.c b/test/test/test_kni.c
index 1b87671..f3c19b5 100644 (file)
--- a/test/test/test_kni.c
+++ b/test/test/test_kni.c
@@ -7,10 +7,11 @@
 #include <unistd.h>
 #include <string.h>
 #include <sys/wait.h>
+#include <dirent.h>
 
 #include "test.h"
 
-#ifndef RTE_LIBRTE_KNI
+#if !defined(RTE_EXEC_ENV_LINUXAPP) || !defined(RTE_LIBRTE_KNI)
 
 static int
 test_kni(void)
@@ -40,6 +41,8 @@ test_kni(void)
 
 #define IFCONFIG      "/sbin/ifconfig "
 #define TEST_KNI_PORT "test_kni_port"
+#define KNI_MODULE_PATH "/sys/module/rte_kni"
+#define KNI_MODULE_PARAM_LO KNI_MODULE_PATH"/parameters/lo_mode"
 #define KNI_TEST_MAX_PORTS 4
 /* The threshold number of mbufs to be transmitted or received. */
 #define KNI_NUM_MBUF_THRESHOLD 100
@@ -70,9 +73,6 @@ static const struct rte_eth_txconf tx_conf = {
 };
 
 static const struct rte_eth_conf port_conf = {
-       .rxmode = {
-               .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
-       },
        .txmode = {
                .mq_mode = ETH_DCB_NONE,
        },
@@ -121,6 +121,79 @@ kni_change_mtu(uint16_t port_id, unsigned int new_mtu)
                                         port_id, kni_pkt_mtu);
        return 0;
 }
+
+static int
+test_kni_link_change(void)
+{
+       int ret;
+       int pid;
+
+       pid = fork();
+       if (pid < 0) {
+               printf("Error: Failed to fork a process\n");
+               return -1;
+       }
+
+       if (pid == 0) {
+               printf("Starting KNI Link status change tests.\n");
+               if (system(IFCONFIG TEST_KNI_PORT" up") == -1) {
+                       ret = -1;
+                       goto error;
+               }
+
+               ret = rte_kni_update_link(test_kni_ctx, 1);
+               if (ret < 0) {
+                       printf("Failed to change link state to Up ret=%d.\n",
+                               ret);
+                       goto error;
+               }
+               rte_delay_ms(1000);
+               printf("KNI: Set LINKUP, previous state=%d\n", ret);
+
+               ret = rte_kni_update_link(test_kni_ctx, 0);
+               if (ret != 1) {
+                       printf(
+               "Failed! Previous link state should be 1, returned %d.\n",
+                               ret);
+                       goto error;
+               }
+               rte_delay_ms(1000);
+               printf("KNI: Set LINKDOWN, previous state=%d\n", ret);
+
+               ret = rte_kni_update_link(test_kni_ctx, 1);
+               if (ret != 0) {
+                       printf(
+               "Failed! Previous link state should be 0, returned %d.\n",
+                               ret);
+                       goto error;
+               }
+               printf("KNI: Set LINKUP, previous state=%d\n", ret);
+
+               ret = 0;
+               rte_delay_ms(1000);
+
+error:
+               if (system(IFCONFIG TEST_KNI_PORT" down") == -1)
+                       ret = -1;
+
+               printf("KNI: Link status change tests: %s.\n",
+                       (ret == 0) ? "Passed" : "Failed");
+               exit(ret);
+       } else {
+               int p_ret, status;
+
+               while (1) {
+                       p_ret = waitpid(pid, &status, WNOHANG);
+                       if (p_ret != 0) {
+                               if (WIFEXITED(status))
+                                       return WEXITSTATUS(status);
+                               return -1;
+                       }
+                       rte_delay_ms(10);
+                       rte_kni_handle_request(test_kni_ctx);
+               }
+       }
+}
 /**
  * This loop fully tests the basic functions of KNI. e.g. transmitting,
  * receiving to, from kernel space, and kernel requests.
@@ -404,6 +477,10 @@ test_kni_processing(uint16_t port_id, struct rte_mempool *mp)
                goto fail_kni;
        }
 
+       ret = test_kni_link_change();
+       if (ret != 0)
+               goto fail_kni;
+
        rte_eal_mp_remote_launch(test_kni_loop, NULL, CALL_MASTER);
        RTE_LCORE_FOREACH_SLAVE(i) {
                if (rte_eal_wait_lcore(i) < 0) {
@@ -429,12 +506,6 @@ test_kni_processing(uint16_t port_id, struct rte_mempool *mp)
        }
        test_kni_ctx = NULL;
 
-       /* test of releasing a released kni device */
-       if (rte_kni_release(kni) == 0) {
-               printf("should not release a released kni device\n");
-               return -1;
-       }
-
        /* test of reusing memzone */
        kni = rte_kni_alloc(mp, &conf, &ops);
        if (!kni) {
@@ -462,7 +533,7 @@ static int
 test_kni(void)
 {
        int ret = -1;
-       uint16_t nb_ports, port_id;
+       uint16_t port_id;
        struct rte_kni *kni;
        struct rte_mempool *mp;
        struct rte_kni_conf conf;
@@ -470,6 +541,20 @@ test_kni(void)
        struct rte_kni_ops ops;
        const struct rte_pci_device *pci_dev;
        const struct rte_bus *bus;
+       FILE *fd;
+       DIR *dir;
+       char buf[16];
+
+       dir = opendir(KNI_MODULE_PATH);
+       if (!dir) {
+               if (errno == ENOENT) {
+                       printf("Cannot run UT due to missing rte_kni module\n");
+                       return -1;
+               }
+               printf("opendir: %s", strerror(errno));
+               return -1;
+       }
+       closedir(dir);
 
        /* Initialize KNI subsytem */
        rte_kni_init(KNI_TEST_MAX_PORTS);
@@ -485,12 +570,6 @@ test_kni(void)
                return -1;
        }
 
-       nb_ports = rte_eth_dev_count_avail();
-       if (nb_ports == 0) {
-               printf("no supported nic port found\n");
-               return -1;
-       }
-
        /* configuring port 0 for the test is enough */
        port_id = 0;
        ret = rte_eth_dev_configure(port_id, 1, 1, &port_conf);
@@ -519,9 +598,25 @@ test_kni(void)
        rte_eth_promiscuous_enable(port_id);
 
        /* basic test of kni processing */
-       ret = test_kni_processing(port_id, mp);
-       if (ret < 0)
-               goto fail;
+       fd = fopen(KNI_MODULE_PARAM_LO, "r");
+       if (fd == NULL) {
+               printf("fopen: %s", strerror(errno));
+               return -1;
+       }
+       memset(&buf, 0, sizeof(buf));
+       if (fgets(buf, sizeof(buf), fd)) {
+               if (!strncmp(buf, "lo_mode_fifo", strlen("lo_mode_fifo")) ||
+                       !strncmp(buf, "lo_mode_fifo_skb",
+                                 strlen("lo_mode_fifo_skb"))) {
+                       ret = test_kni_processing(port_id, mp);
+                       if (ret < 0) {
+                               fclose(fd);
+                               goto fail;
+                       }
+               } else
+                       printf("test_kni_processing skipped because of missing rte_kni module lo_mode argument\n");
+       }
+       fclose(fd);
 
        /* test of allocating KNI with NULL mempool pointer */
        memset(&info, 0, sizeof(info));