bugfix for 82754 adapter emulation

82574.patch

diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c
index d5676871fa..3e42e0edf5 100644
--- a/hw/net/e1000e_core.c
+++ b/hw/net/e1000e_core.c
@@ -677,7 +677,9 @@ e1000e_on_tx_done_update_stats(E1000ECore *core, struct NetTxPkt *tx_pkt)

     e1000x_increase_size_stats(core->mac, PTCregs, tot_len);
     e1000x_inc_reg_if_not_full(core->mac, TPT);
+    e1000x_inc_reg_if_not_full(core->mac, GPTC);
     e1000x_grow_8reg_if_not_full(core->mac, TOTL, tot_len);
+    e1000x_grow_8reg_if_not_full(core->mac, GOTCL, tot_len);

     switch (net_tx_pkt_get_packet_type(tx_pkt)) {
     case ETH_PKT_BCAST:
@@ -691,10 +693,6 @@ e1000e_on_tx_done_update_stats(E1000ECore *core, struct NetTxPkt *tx_pkt)
     default:
         g_assert_not_reached();
     }
-
-    core->mac[GPTC] = core->mac[TPT];
-    core->mac[GOTCL] = core->mac[TOTL];
-    core->mac[GOTCH] = core->mac[TOTH];
 }

 static void
diff --git a/hw/net/e1000x_common.c b/hw/net/e1000x_common.c
index 717f9df1c9..d7038be8ef 100644
--- a/hw/net/e1000x_common.c
+++ b/hw/net/e1000x_common.c
@@ -217,15 +217,15 @@ e1000x_update_rx_total_stats(uint32_t *mac,

     e1000x_increase_size_stats(mac, PRCregs, data_fcs_size);
     e1000x_inc_reg_if_not_full(mac, TPR);
-    mac[GPRC] = mac[TPR];
+    e1000x_inc_reg_if_not_full(mac, GPRC);
+
     /* TOR - Total Octets Received:
     * This register includes bytes received in a packet from the <Destination
     * Address> field through the <CRC> field, inclusively.
     * Always include FCS length (4) in size.
     */
     e1000x_grow_8reg_if_not_full(mac, TORL, data_size + 4);
-    mac[GORCL] = mac[TORL];
-    mac[GORCH] = mac[TORH];
+    e1000x_grow_8reg_if_not_full(mac, GORCL, data_size + 4);
 }

 void