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| author | timothee.cocault@gmail.com <timothee.cocault@gmail.com> | 2023-04-10 17:27:48 +0200 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2023-05-23 15:20:15 +0800 |
| commit | 8d689f6aae8be096b4a1859be07c1b083865f755 (patch) | |
| tree | b1eee1ce80c71d1883ab43680684dcb03d674f30 /hw/net | |
| parent | 886c0453cbf10eebd42a9ccf89c3e46eb389c357 (diff) | |
| download | focaccia-qemu-8d689f6aae8be096b4a1859be07c1b083865f755.tar.gz focaccia-qemu-8d689f6aae8be096b4a1859be07c1b083865f755.zip | |
e1000e: Fix tx/rx counters
The bytes and packets counter registers are cleared on read. Copying the "total counter" registers to the "good counter" registers has side effects. If the "total" register is never read by the OS, it only gets incremented. This leads to exponential growth of the "good" register. This commit increments the counters individually to avoid this. Signed-off-by: Timothée Cocault <timothee.cocault@gmail.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'hw/net')
| -rw-r--r-- | hw/net/e1000.c | 5 | ||||
| -rw-r--r-- | hw/net/e1000e_core.c | 5 | ||||
| -rw-r--r-- | hw/net/e1000x_common.c | 5 | ||||
| -rw-r--r-- | hw/net/igb_core.c | 5 |
4 files changed, 8 insertions, 12 deletions
diff --git a/hw/net/e1000.c b/hw/net/e1000.c index 23d660619f..59bacb5d3b 100644 --- a/hw/net/e1000.c +++ b/hw/net/e1000.c @@ -637,9 +637,8 @@ xmit_seg(E1000State *s) e1000x_inc_reg_if_not_full(s->mac_reg, TPT); e1000x_grow_8reg_if_not_full(s->mac_reg, TOTL, s->tx.size + 4); - s->mac_reg[GPTC] = s->mac_reg[TPT]; - s->mac_reg[GOTCL] = s->mac_reg[TOTL]; - s->mac_reg[GOTCH] = s->mac_reg[TOTH]; + e1000x_inc_reg_if_not_full(s->mac_reg, GPTC); + e1000x_grow_8reg_if_not_full(s->mac_reg, GOTCL, s->tx.size + 4); } static void diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c index c0c09b6965..cfa3f55e96 100644 --- a/hw/net/e1000e_core.c +++ b/hw/net/e1000e_core.c @@ -711,9 +711,8 @@ e1000e_on_tx_done_update_stats(E1000ECore *core, struct NetTxPkt *tx_pkt) g_assert_not_reached(); } - core->mac[GPTC] = core->mac[TPT]; - core->mac[GOTCL] = core->mac[TOTL]; - core->mac[GOTCH] = core->mac[TOTH]; + e1000x_inc_reg_if_not_full(core->mac, GPTC); + e1000x_grow_8reg_if_not_full(core->mac, GOTCL, tot_len); } static void diff --git a/hw/net/e1000x_common.c b/hw/net/e1000x_common.c index b844af590a..4c8e7dcf70 100644 --- a/hw/net/e1000x_common.c +++ b/hw/net/e1000x_common.c @@ -220,15 +220,14 @@ 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 diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c index d733fed6cf..826e7a6cf1 100644 --- a/hw/net/igb_core.c +++ b/hw/net/igb_core.c @@ -538,9 +538,8 @@ igb_on_tx_done_update_stats(IGBCore *core, struct NetTxPkt *tx_pkt, int qn) g_assert_not_reached(); } - core->mac[GPTC] = core->mac[TPT]; - core->mac[GOTCL] = core->mac[TOTL]; - core->mac[GOTCH] = core->mac[TOTH]; + e1000x_inc_reg_if_not_full(core->mac, GPTC); + e1000x_grow_8reg_if_not_full(core->mac, GOTCL, tot_len); if (core->mac[MRQC] & 1) { uint16_t pool = qn % IGB_NUM_VM_POOLS; |