diff options
| -rw-r--r-- | hw/e1000.c | 12 | ||||
| -rw-r--r-- | hw/vhost.c | 21 |
2 files changed, 21 insertions, 12 deletions
diff --git a/hw/e1000.c b/hw/e1000.c index db9143d2bc..80b78bc618 100644 --- a/hw/e1000.c +++ b/hw/e1000.c @@ -343,6 +343,15 @@ is_vlan_txd(uint32_t txd_lower) return ((txd_lower & E1000_TXD_CMD_VLE) != 0); } +/* FCS aka Ethernet CRC-32. We don't get it from backends and can't + * fill it in, just pad descriptor length by 4 bytes unless guest + * told us to trip it off the packet. */ +static inline int +fcs_len(E1000State *s) +{ + return (s->mac_reg[RCTL] & E1000_RCTL_SECRC) ? 0 : 4; +} + static void xmit_seg(E1000State *s) { @@ -648,7 +657,6 @@ e1000_receive(VLANClientState *nc, const uint8_t *buf, size_t size) } rdh_start = s->mac_reg[RDH]; - size += 4; // for the header do { if (s->mac_reg[RDH] == s->mac_reg[RDT] && s->check_rxov) { set_ics(s, 0, E1000_ICS_RXO); @@ -662,7 +670,7 @@ e1000_receive(VLANClientState *nc, const uint8_t *buf, size_t size) if (desc.buffer_addr) { cpu_physical_memory_write(le64_to_cpu(desc.buffer_addr), (void *)(buf + vlan_offset), size); - desc.length = cpu_to_le16(size); + desc.length = cpu_to_le16(size + fcs_len(s)); desc.status |= E1000_RXD_STAT_EOP|E1000_RXD_STAT_IXSM; } else // as per intel docs; skip descriptors with null buf addr DBGOUT(RX, "Null RX descriptor!!\n"); diff --git a/hw/vhost.c b/hw/vhost.c index d37a66e0ea..65709d005d 100644 --- a/hw/vhost.c +++ b/hw/vhost.c @@ -659,6 +659,16 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev) r = -errno; goto fail; } + for (i = 0; i < hdev->nvqs; ++i) { + r = vhost_virtqueue_init(hdev, + vdev, + hdev->vqs + i, + i); + if (r < 0) { + goto fail_vq; + } + } + if (hdev->log_enabled) { hdev->log_size = vhost_get_log_size(hdev); hdev->log = hdev->log_size ? @@ -667,19 +677,10 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev) (uint64_t)(unsigned long)hdev->log); if (r < 0) { r = -errno; - goto fail; - } - } - - for (i = 0; i < hdev->nvqs; ++i) { - r = vhost_virtqueue_init(hdev, - vdev, - hdev->vqs + i, - i); - if (r < 0) { goto fail_vq; } } + hdev->started = true; return 0; |