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-rw-r--r--include/net/net.h6
-rw-r--r--net/net.c18
-rw-r--r--net/tap-linux.c34
-rw-r--r--net/tap-linux.h2
-rw-r--r--net/tap.c16
-rw-r--r--net/tap_int.h2
6 files changed, 78 insertions, 0 deletions
diff --git a/include/net/net.h b/include/net/net.h
index e66ca03bf3..4306252b97 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -55,6 +55,8 @@ typedef bool (HasVnetHdrLen)(NetClientState *, int);
typedef void (UsingVnetHdr)(NetClientState *, bool);
typedef void (SetOffload)(NetClientState *, int, int, int, int, int);
typedef void (SetVnetHdrLen)(NetClientState *, int);
+typedef int (SetVnetLE)(NetClientState *, bool);
+typedef int (SetVnetBE)(NetClientState *, bool);
typedef struct NetClientInfo {
NetClientOptionsKind type;
@@ -73,6 +75,8 @@ typedef struct NetClientInfo {
UsingVnetHdr *using_vnet_hdr;
SetOffload *set_offload;
SetVnetHdrLen *set_vnet_hdr_len;
+ SetVnetLE *set_vnet_le;
+ SetVnetBE *set_vnet_be;
} NetClientInfo;
struct NetClientState {
@@ -139,6 +143,8 @@ void qemu_using_vnet_hdr(NetClientState *nc, bool enable);
void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
int ecn, int ufo);
void qemu_set_vnet_hdr_len(NetClientState *nc, int len);
+int qemu_set_vnet_le(NetClientState *nc, bool is_le);
+int qemu_set_vnet_be(NetClientState *nc, bool is_be);
void qemu_macaddr_default_if_unset(MACAddr *macaddr);
int qemu_show_nic_models(const char *arg, const char *const *models);
void qemu_check_nic_model(NICInfo *nd, const char *model);
diff --git a/net/net.c b/net/net.c
index db6be12a1e..5148aacf81 100644
--- a/net/net.c
+++ b/net/net.c
@@ -510,6 +510,24 @@ void qemu_set_vnet_hdr_len(NetClientState *nc, int len)
nc->info->set_vnet_hdr_len(nc, len);
}
+int qemu_set_vnet_le(NetClientState *nc, bool is_le)
+{
+ if (!nc || !nc->info->set_vnet_le) {
+ return -ENOSYS;
+ }
+
+ return nc->info->set_vnet_le(nc, is_le);
+}
+
+int qemu_set_vnet_be(NetClientState *nc, bool is_be)
+{
+ if (!nc || !nc->info->set_vnet_be) {
+ return -ENOSYS;
+ }
+
+ return nc->info->set_vnet_be(nc, is_be);
+}
+
int qemu_can_send_packet(NetClientState *sender)
{
int vm_running = runstate_is_running();
diff --git a/net/tap-linux.c b/net/tap-linux.c
index 6c3caef21e..394f2a646f 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)
{
diff --git a/net/tap-linux.h b/net/tap-linux.h
index 1cf35d41bd..01dc6f8a2d 100644
--- a/net/tap-linux.h
+++ b/net/tap-linux.h
@@ -30,6 +30,8 @@
#define TUNGETVNETHDRSZ _IOR('T', 215, int)
#define TUNSETVNETHDRSZ _IOW('T', 216, int)
#define TUNSETQUEUE _IOW('T', 217, int)
+#define TUNSETVNETLE _IOW('T', 220, int)
+#define TUNSETVNETBE _IOW('T', 222, int)
#endif
diff --git a/net/tap.c b/net/tap.c
index d1ca314dcf..ec12dfd1d8 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -275,6 +275,20 @@ static void tap_using_vnet_hdr(NetClientState *nc, bool using_vnet_hdr)
s->using_vnet_hdr = using_vnet_hdr;
}
+static int tap_set_vnet_le(NetClientState *nc, bool is_le)
+{
+ TAPState *s = DO_UPCAST(TAPState, nc, nc);
+
+ return tap_fd_set_vnet_le(s->fd, is_le);
+}
+
+static int tap_set_vnet_be(NetClientState *nc, bool is_be)
+{
+ TAPState *s = DO_UPCAST(TAPState, nc, nc);
+
+ return tap_fd_set_vnet_be(s->fd, is_be);
+}
+
static void tap_set_offload(NetClientState *nc, int csum, int tso4,
int tso6, int ecn, int ufo)
{
@@ -341,6 +355,8 @@ static NetClientInfo net_tap_info = {
.using_vnet_hdr = tap_using_vnet_hdr,
.set_offload = tap_set_offload,
.set_vnet_hdr_len = tap_set_vnet_hdr_len,
+ .set_vnet_le = tap_set_vnet_le,
+ .set_vnet_be = tap_set_vnet_be,
};
static TAPState *net_tap_fd_init(NetClientState *peer,
diff --git a/net/tap_int.h b/net/tap_int.h
index d12a409967..2378021c45 100644
--- a/net/tap_int.h
+++ b/net/tap_int.h
@@ -40,6 +40,8 @@ int tap_probe_vnet_hdr_len(int fd, int len);
int tap_probe_has_ufo(int fd);
void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
void tap_fd_set_vnet_hdr_len(int fd, int len);
+int tap_fd_set_vnet_le(int fd, int vnet_is_le);
+int tap_fd_set_vnet_be(int fd, int vnet_is_be);
int tap_fd_enable(int fd);
int tap_fd_disable(int fd);
int tap_fd_get_ifname(int fd, char *ifname);