len = (b0->current_length < sizeof (t0->pkt))
? b0->current_length : sizeof (t0->pkt);
t0->len = len;
+ t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
clib_memcpy (&t0->pkt, vlib_buffer_get_current (b0), len);
}
/* push this pkt to the next graph node, always error-drop */