Test changing the link, speed, duplex, etc. status of the KNI interface
with rte_kni_update_link().
Signed-off-by: Dan Gora <d...@adax.com>
---
test/test/test_kni.c | 131 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 131 insertions(+)
diff --git a/test/test/test_kni.c b/test/test/test_kni.c
index 3dcadcebd..138bc9686 100644
--- a/test/test/test_kni.c
+++ b/test/test/test_kni.c
@@ -118,6 +118,133 @@ 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)
+{
+ struct rte_eth_link link;
+ 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;
+ }
+
+ link.link_speed = 10;
+ link.link_status = ETH_LINK_UP;
+ link.link_autoneg = ETH_LINK_AUTONEG;
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ ret = rte_kni_update_link(test_kni_ctx, &link);
+ if (ret != 0) {
+ printf("Failed to change link state to "
+ "Up/10Mbps/AutoNeg/Full ret=%d.\n", ret);
+ goto error;
+ }
+ rte_delay_ms(1000);
+
+ link.link_speed = 0;
+ link.link_status = ETH_LINK_DOWN;
+ link.link_autoneg = ETH_LINK_FIXED;
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ ret = rte_kni_update_link(test_kni_ctx, &link);
+ if (ret != 0) {
+ printf("Failed to change link state to Down ret=%d.\n",
+ ret);
+ goto error;
+ }
+ rte_delay_ms(1000);
+
+ link.link_speed = 1000;
+ link.link_status = ETH_LINK_UP;
+ link.link_autoneg = ETH_LINK_AUTONEG;
+ link.link_duplex = ETH_LINK_HALF_DUPLEX;
+ ret = rte_kni_update_link(test_kni_ctx, &link);
+ if (ret != 0) {
+ printf("Failed to change link state to "
+ "Up/1Gbps/AutoNeg/Half ret=%d.\n", ret);
+ goto error;
+ }
+ rte_delay_ms(1000);
+
+ link.link_speed = 0;
+ link.link_status = ETH_LINK_DOWN;
+ link.link_autoneg = ETH_LINK_FIXED;
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ ret = rte_kni_update_link(test_kni_ctx, &link);
+ if (ret != 0) {
+ printf("Failed to change link state to Down ret=%d.\n",
+ ret);
+ goto error;
+ }
+ rte_delay_ms(1000);
+
+ link.link_speed = 40000;
+ link.link_status = ETH_LINK_UP;
+ link.link_autoneg = ETH_LINK_FIXED;
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ ret = rte_kni_update_link(test_kni_ctx, &link);
+ if (ret != 0) {
+ printf("Failed to change link state to "
+ "Up/40Gbps/Fixed/Full ret=%d.\n", ret);
+ goto error;
+ }
+ rte_delay_ms(1000);
+
+ link.link_speed = 0;
+ link.link_status = ETH_LINK_DOWN;
+ link.link_autoneg = ETH_LINK_FIXED;
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ ret = rte_kni_update_link(test_kni_ctx, &link);
+ if (ret != 0) {
+ printf("Failed to change link state to Down ret=%d.\n",
+ ret);
+ goto error;
+ }
+ rte_delay_ms(1000);
+
+ link.link_speed = 100000;
+ link.link_status = ETH_LINK_UP;
+ link.link_autoneg = ETH_LINK_FIXED;
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ ret = rte_kni_update_link(test_kni_ctx, &link);
+ if (ret != 0) {
+ printf("Failed to change link state to "
+ "Up/100Gbps/Fixed/Full ret=%d.\n", ret);
+ goto error;
+ }
+ 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.
@@ -401,6 +528,10 @@ 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) {
--
2.19.0
