net/tap: remove Linux version check

[dpdk.git] / drivers / net / tap / rte_eth_tap.c

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index f4782c6..9acea83 100644 (file)
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -1166,23 +1166,6 @@ static const struct eth_dev_ops ops = {
        .filter_ctrl            = tap_dev_filter_ctrl,
 };
 
-static int
-tap_kernel_support(struct pmd_internals *pmd)
-{
-       struct utsname utsname;
-       int ver[3];
-
-       if (uname(&utsname) == -1 ||
-           sscanf(utsname.release, "%d.%d.%d",
-                  &ver[0], &ver[1], &ver[2]) != 3)
-               return 0;
-       if (KERNEL_VERSION(ver[0], ver[1], ver[2]) >= FLOWER_KERNEL_VERSION)
-               pmd->flower_support = 1;
-       if (KERNEL_VERSION(ver[0], ver[1], ver[2]) >=
-           FLOWER_VLAN_KERNEL_VERSION)
-               pmd->flower_vlan_support = 1;
-       return 1;
-}
 
 static int
 eth_dev_tap_create(struct rte_vdev_device *vdev, char *tap_name,
@@ -1271,21 +1254,6 @@ eth_dev_tap_create(struct rte_vdev_device *vdev, char *tap_name,
        if (tap_ioctl(pmd, SIOCSIFHWADDR, &ifr, 0, LOCAL_ONLY) < 0)
                goto error_exit;
 
-       tap_kernel_support(pmd);
-       if (!pmd->flower_support) {
-               if (remote_iface[0]) {
-                       RTE_LOG(ERR, PMD,
-                               "%s: kernel does not support TC rules, required for remote feature.\n",
-                               pmd->name);
-                       goto error_exit;
-               } else {
-                       RTE_LOG(INFO, PMD,
-                               "%s: kernel too old for Flow API support.\n",
-                               pmd->name);
-                       return 0;
-               }
-       }
-
        /*
         * Set up everything related to rte_flow:
         * - netlink socket
@@ -1378,7 +1346,6 @@ disable_rte_flow:
                RTE_LOG(ERR, PMD, "Remote feature requires flow support.\n");
                goto error_exit;
        }
-       pmd->flower_support = 0;
        return 0;
 
 error_remote:
@@ -1543,7 +1510,7 @@ rte_pmd_tap_remove(struct rte_vdev_device *dev)
                return 0;
 
        internals = eth_dev->data->dev_private;
-       if (internals->flower_support && internals->nlsk_fd) {
+       if (internals->nlsk_fd) {
                tap_flow_flush(eth_dev, NULL);
                tap_flow_implicit_flush(internals, NULL);
                nl_final(internals->nlsk_fd);