diff options
Diffstat (limited to 'net/tap-linux.c')
-rw-r--r-- | net/tap-linux.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/net/tap-linux.c b/net/tap-linux.c index 6c3caef..394f2a6 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -198,6 +198,40 @@ void tap_fd_set_vnet_hdr_len(int fd, int len) } } +int tap_fd_set_vnet_le(int fd, int is_le) +{ + int arg = is_le ? 1 : 0; + + if (!ioctl(fd, TUNSETVNETLE, &arg)) { + return 0; + } + + /* Check if our kernel supports TUNSETVNETLE */ + if (errno == EINVAL) { + return -errno; + } + + error_report("TUNSETVNETLE ioctl() failed: %s.\n", strerror(errno)); + abort(); +} + +int tap_fd_set_vnet_be(int fd, int is_be) +{ + int arg = is_be ? 1 : 0; + + if (!ioctl(fd, TUNSETVNETBE, &arg)) { + return 0; + } + + /* Check if our kernel supports TUNSETVNETBE */ + if (errno == EINVAL) { + return -errno; + } + + error_report("TUNSETVNETBE ioctl() failed: %s.\n", strerror(errno)); + abort(); +} + void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo) { |