Remove qemu-common.h include from most units

[mirror_qemu.git] / net / tap-linux.c

diff --git a/net/tap-linux.c b/net/tap-linux.c
index 6c3caef21e3b4b27aa67bcef755ae551554326d7..3e24d232e7821a0668a84502ea456f547bdfc637 100644 (file)
--- a/net/tap-linux.c
+++ b/net/tap-linux.c
@@ -23,6 +23,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "tap_int.h"
 #include "tap-linux.h"
 #include "net/tap.h"
@@ -30,9 +31,9 @@
 #include <net/if.h>
 #include <sys/ioctl.h>
 
-#include "sysemu/sysemu.h"
-#include "qemu-common.h"
+#include "qapi/error.h"
 #include "qemu/error-report.h"
+#include "qemu/cutils.h"
 
 #define PATH_NET_TUN "/dev/net/tun"
 
@@ -53,7 +54,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
     ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
 
     if (ioctl(fd, TUNGETFEATURES, &features) == -1) {
-        error_report("warning: TUNGETFEATURES failed: %s", strerror(errno));
+        warn_report("TUNGETFEATURES failed: %s", strerror(errno));
         features = 0;
     }
 
@@ -145,13 +146,16 @@ void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp)
     }
 }
 
-int tap_probe_vnet_hdr(int fd)
+int tap_probe_vnet_hdr(int fd, Error **errp)
 {
     struct ifreq ifr;
+    memset(&ifr, 0, sizeof(ifr));
 
     if (ioctl(fd, TUNGETIFF, &ifr) != 0) {
-        error_report("TUNGETIFF ioctl() failed: %s", strerror(errno));
-        return 0;
+        /* TUNGETIFF is available since kernel v2.6.27 */
+        error_setg_errno(errp, errno,
+                         "Unable to query TUNGETIFF on FD %d", fd);
+        return -1;
     }
 
     return ifr.ifr_flags & IFF_VNET_HDR;
@@ -198,6 +202,40 @@ 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.", 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.", strerror(errno));
+    abort();
+}
+
 void tap_fd_set_offload(int fd, int csum, int tso4,
                         int tso6, int ecn, int ufo)
 {
@@ -278,3 +316,16 @@ int tap_fd_get_ifname(int fd, char *ifname)
     pstrcpy(ifname, sizeof(ifr.ifr_name), ifr.ifr_name);
     return 0;
 }
+
+int tap_fd_set_steering_ebpf(int fd, int prog_fd)
+{
+    if (ioctl(fd, TUNSETSTEERINGEBPF, (void *) &prog_fd) != 0) {
+        error_report("Issue while setting TUNSETSTEERINGEBPF:"
+                    " %s with fd: %d, prog_fd: %d",
+                    strerror(errno), fd, prog_fd);
+
+       return -1;
+    }
+
+    return 0;
+}