1 files changed, 0 insertions, 94 deletions
diff --git a/recipes-bsp/esp32spid/src/tun.c b/recipes-bsp/esp32spid/src/tun.c
deleted file mode 100644
index d75edc4..0000000
--- a/recipes-bsp/esp32spid/src/tun.c
+++ /dev/null
@@ -1,94 +0,0 @@
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-
-#include <linux/if.h>
-#include <linux/if_tun.h>
-
-#include <pthread.h>
-
-#include "spi.h"
-#include "tun.h"
-
-static pthread_t read_thd;
-
-static int tun_fd;
-static char tun_name[IFNAMSIZ];
-
-static int tun_alloc(char *dev, int flags) {
-    struct ifreq ifr;
-    int fd, err;
-    char *clonedev = "/dev/net/tun";
-
-    /* Arguments taken by the function:
-     *
-     * char *dev: the name of an interface (or '\0'). MUST have enough
-     *   space to hold the interface name if '\0' is passed
-     * int flags: interface flags (eg, IFF_TUN etc.)
-     */
-
-    fd = open(clonedev, O_RDWR);
-    if (fd < 0) {
-        return fd;
-    }
-
-    memset(&ifr, 0, sizeof(ifr));
-    ifr.ifr_flags = flags;  /* IFF_TUN or IFF_TAP, plus maybe IFF_NO_PI */
-
-    if (*dev) {
-        /* if a device name was specified, put it in the structure; otherwise,
-         * the kernel will try to allocate the "next" device of the
-         * specified type */
-        strncpy(ifr.ifr_name, dev, IFNAMSIZ);
-    }
-
-    /* try to create the device */
-    err = ioctl(fd, TUNSETIFF, (void *) &ifr);
-    if (err < 0) {
-        close(fd);
-        return err;
-    }
-
-    /* if the operation was successful, write back the name of the
-     * interface to the variable "dev", so the caller can know
-     * it. Note that the caller MUST reserve space in *dev (see calling
-     * code below) */
-    strcpy(dev, ifr.ifr_name);
-
-    /* this is the special file descriptor that the caller will use to talk
-     * with the virtual interface */
-    return fd;
-}
-
-void *tun_read(void *arg) {
-    unsigned char *buffer;
-    int len;
-
-    while (1) {
-        buffer = spi_alloc();
-        if (buffer == NULL) continue;
-        len = read(tun_fd, buffer + SPI_SIZE_HDR, SPI_SIZE_BUF - SPI_SIZE_HDR);
-        if (len < 0) {
-            perror("tun read");
-            continue;
-        }
-        spi_xchg(SPI_MTYPE_TUN, buffer, len);
-    }
-}
-
-int tun_write(unsigned char *buffer, uint16_t len) {
-    return write(tun_fd, buffer, len);
-}
-
-int tun_init(void) {
-    int rv;
-
-    strcpy(tun_name, "tun0");
-    tun_fd = tun_alloc(tun_name, IFF_TUN | IFF_NO_PI);
-    if (tun_fd < 0) return TUN_ERR;
-
-    return TUN_OK;
-}