}
}
+static inline void
+inc_reg_if_not_full(E1000State *s, int index)
+{
+ if (s->mac_reg[index] != 0xffffffff) {
+ s->mac_reg[index]++;
+ }
+}
+
static inline int
vlan_enabled(E1000State *s)
{
e1000_send_packet(s, tp->data, tp->size);
}
- s->mac_reg[TPT]++;
- s->mac_reg[GPTC]++;
+ inc_reg_if_not_full(s, TPT);
+ s->mac_reg[GPTC] = s->mac_reg[TPT];
n = s->mac_reg[TOTL];
if ((s->mac_reg[TOTL] += s->tx.size) < n)
s->mac_reg[TOTH]++;
}
} while (desc_offset < total_size);
- s->mac_reg[GPRC]++;
- s->mac_reg[TPR]++;
+ inc_reg_if_not_full(s, TPR);
+ s->mac_reg[GPRC] = s->mac_reg[TPR];
/* TOR - Total Octets Received:
* This register includes bytes received in a packet from the <Destination
* Address> field through the <CRC> field, inclusively.