diff options
Diffstat (limited to 'hw/e1000.c')
-rw-r--r-- | hw/e1000.c | 11 |
1 files changed, 8 insertions, 3 deletions
@@ -345,7 +345,7 @@ is_vlan_txd(uint32_t txd_lower) /* 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. */ + * told us to strip it off the packet. */ static inline int fcs_len(E1000State *s) { @@ -690,9 +690,14 @@ e1000_receive(VLANClientState *nc, const uint8_t *buf, size_t size) s->mac_reg[GPRC]++; s->mac_reg[TPR]++; - n = s->mac_reg[TORL]; - if ((s->mac_reg[TORL] += size) < n) + /* TOR - Total Octets Received: + * This register includes bytes received in a packet from the <Destination + * Address> field through the <CRC> field, inclusively. + */ + n = s->mac_reg[TORL] + size + /* Always include FCS length. */ 4; + if (n < s->mac_reg[TORL]) s->mac_reg[TORH]++; + s->mac_reg[TORL] = n; n = E1000_ICS_RXT0; if ((rdt = s->mac_reg[RDT]) < s->mac_reg[RDH]) |