- tap_log_dbg (vif, "TUNSETVNETHDRSZ: fd %d vnet_hdr_sz %u", tfd, hdrsz);
- _IOCTL (tfd, TUNSETVNETHDRSZ, &hdrsz);
+ /* create additional queues on the linux side.
+ * we create as many linux queue pairs as we have rx queues
+ */
+ for (i = 1; i < vif->num_rxqs; i++)
+ {
+ if ((qfd = open ("/dev/net/tun", O_RDWR | O_NONBLOCK)) < 0)
+ {
+ args->rv = VNET_API_ERROR_SYSCALL_ERROR_2;
+ args->error = clib_error_return_unix (0, "open '/dev/net/tun'");
+ goto error;
+ }
+ _IOCTL (qfd, TUNSETIFF, (void *) &ifr);
+ tap_log_dbg (vif, "TUNSETIFF fd %d name %s flags 0x%x", qfd,
+ ifr.ifr_ifrn.ifrn_name, ifr.ifr_flags);
+ vec_add1 (vif->tap_fds, qfd);
+ }
+
+ for (i = 0; i < vif->num_rxqs; i++)
+ {
+ tap_log_dbg (vif, "TUNSETVNETHDRSZ: fd %d vnet_hdr_sz %u",
+ vif->tap_fds[i], hdrsz);
+ _IOCTL (vif->tap_fds[i], TUNSETVNETHDRSZ, &hdrsz);