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Diffstat (limited to 'tap.c')
-rw-r--r--tap.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/tap.c b/tap.c
index c0b7f33..e323529 100644
--- a/tap.c
+++ b/tap.c
@@ -320,12 +320,23 @@ static size_t tap_send_frames_pasta(struct ctx *c,
size_t i;
for (i = 0; i < n; i++) {
- if (write(c->fd_tap, (char *)iov[i].iov_base,
- iov[i].iov_len) < 0) {
+ if (write(c->fd_tap, iov[i].iov_base, iov[i].iov_len) < 0) {
debug("tap write: %s", strerror(errno));
- if (errno != EAGAIN && errno != EWOULDBLOCK)
- tap_handler(c, c->fd_tap, EPOLLERR, NULL);
- i--;
+
+ switch (errno) {
+ case EAGAIN:
+#if EAGAIN != EWOULDBLOCK
+ case EWOULDBLOCK:
+#endif
+ case EINTR:
+ i--;
+ break;
+ case ENOBUFS:
+ case ENOSPC:
+ break;
+ default:
+ die("Write error on tap device, exiting");
+ }
}
}
@@ -1237,6 +1248,9 @@ void tap_handler(struct ctx *c, int fd, uint32_t events,
exit(EXIT_SUCCESS);
}
+ if (c->mode == MODE_PASTA)
+ die("Error on tap device, exiting");
+
tap_sock_init(c);
}
}