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e1000: Implementing various counters 

This implements the following Statistic registers (various counters)
according to Intel's specs:

TSCTC  GOTCL  GOTCH  GORCL  GORCH  MPRC   BPRC   RUC    ROC
BPTC   MPTC   PTC... PRC...

PLEASE NOTE: these registers will not be active, nor will migrate, until
a compatibility flag will be set (in the next patch in this series).

Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com>
Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Leonid Bloch 2015-11-11 15:52:46 +02:00 committed by Jason Wang
parent 4aeea330f0
commit 3b27430177
1 changed files with 85 additions and 5 deletions
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90
hw/net/e1000.c
View File

@ -37,6 +37,8 @@
#include "e1000_regs.h"
static const uint8_t bcast[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
#define E1000_DEBUG
#ifdef E1000_DEBUG
@ -182,7 +184,13 @@ enum {
defreg(DC), defreg(TNCRS), defreg(SEC), defreg(CEXTERR),
defreg(RLEC), defreg(XONRXC), defreg(XONTXC), defreg(XOFFRXC),
defreg(XOFFTXC), defreg(RFC), defreg(RJC), defreg(RNBC),
defreg(TSCTFC), defreg(MGTPRC), defreg(MGTPDC), defreg(MGTPTC)
defreg(TSCTFC), defreg(MGTPRC), defreg(MGTPDC), defreg(MGTPTC),
defreg(RUC), defreg(ROC), defreg(GORCL), defreg(GORCH),
defreg(GOTCL), defreg(GOTCH), defreg(BPRC), defreg(MPRC),
defreg(TSCTC), defreg(PRC64), defreg(PRC127), defreg(PRC255),
defreg(PRC511), defreg(PRC1023), defreg(PRC1522), defreg(PTC64),
defreg(PTC127), defreg(PTC255), defreg(PTC511), defreg(PTC1023),
defreg(PTC1522), defreg(MPTC), defreg(BPTC)
};
static void
@ -588,6 +596,16 @@ inc_reg_if_not_full(E1000State *s, int index)
}
}
static inline void
inc_tx_bcast_or_mcast_count(E1000State *s, const unsigned char *arr)
{
if (!memcmp(arr, bcast, sizeof bcast)) {
inc_reg_if_not_full(s, BPTC);
} else if (arr[0] & 1) {
inc_reg_if_not_full(s, MPTC);
}
}
static void
grow_8reg_if_not_full(E1000State *s, int index, int size)
{
@ -602,6 +620,24 @@ grow_8reg_if_not_full(E1000State *s, int index, int size)
s->mac_reg[index+1] = sum >> 32;
}
static void
increase_size_stats(E1000State *s, const int *size_regs, int size)
{
if (size > 1023) {
inc_reg_if_not_full(s, size_regs[5]);
} else if (size > 511) {
inc_reg_if_not_full(s, size_regs[4]);
} else if (size > 255) {
inc_reg_if_not_full(s, size_regs[3]);
} else if (size > 127) {
inc_reg_if_not_full(s, size_regs[2]);
} else if (size > 64) {
inc_reg_if_not_full(s, size_regs[1]);
} else if (size == 64) {
inc_reg_if_not_full(s, size_regs[0]);
}
}
static inline int
vlan_enabled(E1000State *s)
{
@ -639,12 +675,17 @@ fcs_len(E1000State *s)
static void
e1000_send_packet(E1000State *s, const uint8_t *buf, int size)
{
static const int PTCregs[6] = { PTC64, PTC127, PTC255, PTC511,
PTC1023, PTC1522 };
NetClientState *nc = qemu_get_queue(s->nic);
if (s->phy_reg[PHY_CTRL] & MII_CR_LOOPBACK) {
nc->info->receive(nc, buf, size);
} else {
qemu_send_packet(nc, buf, size);
}
inc_tx_bcast_or_mcast_count(s, buf);
increase_size_stats(s, PTCregs, size);
}
static void
@ -671,8 +712,11 @@ xmit_seg(E1000State *s)
if (tp->tcp) {
sofar = frames * tp->mss;
stl_be_p(tp->data+css+4, ldl_be_p(tp->data+css+4)+sofar); /* seq */
if (tp->paylen - sofar > tp->mss)
if (tp->paylen - sofar > tp->mss) {
tp->data[css + 13] &= ~9; /* PSH, FIN */
} else if (frames) {
inc_reg_if_not_full(s, TSCTC);
}
} else /* UDP */
stw_be_p(tp->data+css+4, len);
if (tp->sum_needed & E1000_TXD_POPTS_TXSM) {
@ -702,6 +746,8 @@ xmit_seg(E1000State *s)
inc_reg_if_not_full(s, TPT);
grow_8reg_if_not_full(s, TOTL, s->tx.size);
s->mac_reg[GPTC] = s->mac_reg[TPT];
s->mac_reg[GOTCL] = s->mac_reg[TOTL];
s->mac_reg[GOTCH] = s->mac_reg[TOTH];
}
static void
@ -869,7 +915,6 @@ start_xmit(E1000State *s)
static int
receive_filter(E1000State *s, const uint8_t *buf, int size)
{
static const uint8_t bcast[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
static const int mta_shift[] = {4, 3, 2, 0};
uint32_t f, rctl = s->mac_reg[RCTL], ra[2], *rp;
int isbcast = !memcmp(buf, bcast, sizeof bcast), ismcast = (buf[0] & 1);
@ -887,10 +932,12 @@ receive_filter(E1000State *s, const uint8_t *buf, int size)
}
if (ismcast && (rctl & E1000_RCTL_MPE)) { /* promiscuous mcast */
inc_reg_if_not_full(s, MPRC);
return 1;
}
if (isbcast && (rctl & E1000_RCTL_BAM)) { /* broadcast enabled */
inc_reg_if_not_full(s, BPRC);
return 1;
}
@ -912,8 +959,10 @@ receive_filter(E1000State *s, const uint8_t *buf, int size)
f = mta_shift[(rctl >> E1000_RCTL_MO_SHIFT) & 3];
f = (((buf[5] << 8) | buf[4]) >> f) & 0xfff;
if (s->mac_reg[MTA + (f >> 5)] & (1 << (f & 0x1f)))
if (s->mac_reg[MTA + (f >> 5)] & (1 << (f & 0x1f))) {
inc_reg_if_not_full(s, MPRC);
return 1;
}
DBGOUT(RXFILTER,
"dropping, inexact filter mismatch: %02x:%02x:%02x:%02x:%02x:%02x MO %d MTA[%d] %x\n",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5],
@ -1002,6 +1051,8 @@ e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
size_t desc_offset;
size_t desc_size;
size_t total_size;
static const int PRCregs[6] = { PRC64, PRC127, PRC255, PRC511,
PRC1023, PRC1522 };
if (!(s->mac_reg[STATUS] & E1000_STATUS_LU)) {
return -1;
@ -1015,6 +1066,7 @@ e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
if (size < sizeof(min_buf)) {
iov_to_buf(iov, iovcnt, 0, min_buf, size);
memset(&min_buf[size], 0, sizeof(min_buf) - size);
inc_reg_if_not_full(s, RUC);
min_iov.iov_base = filter_buf = min_buf;
min_iov.iov_len = size = sizeof(min_buf);
iovcnt = 1;
@ -1030,6 +1082,7 @@ e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
(size > MAXIMUM_ETHERNET_VLAN_SIZE
&& !(s->mac_reg[RCTL] & E1000_RCTL_LPE)))
&& !(s->mac_reg[RCTL] & E1000_RCTL_SBP)) {
inc_reg_if_not_full(s, ROC);
return size;
}
@ -1115,6 +1168,7 @@ e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
}
} while (desc_offset < total_size);
increase_size_stats(s, PRCregs, total_size);
inc_reg_if_not_full(s, TPR);
s->mac_reg[GPRC] = s->mac_reg[TPR];
/* TOR - Total Octets Received:
@ -1123,6 +1177,8 @@ e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
* Always include FCS length (4) in size.
*/
grow_8reg_if_not_full(s, TORL, size+4);
s->mac_reg[GORCL] = s->mac_reg[TORL];
s->mac_reg[GORCH] = s->mac_reg[TORH];
n = E1000_ICS_RXT0;
if ((rdt = s->mac_reg[RDT]) < s->mac_reg[RDH])
@ -1285,11 +1341,23 @@ static uint32_t (*macreg_readops[])(E1000State *, int) = {
getreg(TNCRS), getreg(SEC), getreg(CEXTERR), getreg(RLEC),
getreg(XONRXC), getreg(XONTXC), getreg(XOFFRXC), getreg(XOFFTXC),
getreg(RFC), getreg(RJC), getreg(RNBC), getreg(TSCTFC),
getreg(MGTPRC), getreg(MGTPDC), getreg(MGTPTC),
getreg(MGTPRC), getreg(MGTPDC), getreg(MGTPTC), getreg(GORCL),
getreg(GOTCL),
[TOTH] = mac_read_clr8, [TORH] = mac_read_clr8,
[GOTCH] = mac_read_clr8, [GORCH] = mac_read_clr8,
[PRC64] = mac_read_clr4, [PRC127] = mac_read_clr4,
[PRC255] = mac_read_clr4, [PRC511] = mac_read_clr4,
[PRC1023] = mac_read_clr4, [PRC1522] = mac_read_clr4,
[PTC64] = mac_read_clr4, [PTC127] = mac_read_clr4,
[PTC255] = mac_read_clr4, [PTC511] = mac_read_clr4,
[PTC1023] = mac_read_clr4, [PTC1522] = mac_read_clr4,
[GPRC] = mac_read_clr4, [GPTC] = mac_read_clr4,
[TPT] = mac_read_clr4, [TPR] = mac_read_clr4,
[RUC] = mac_read_clr4, [ROC] = mac_read_clr4,
[BPRC] = mac_read_clr4, [MPRC] = mac_read_clr4,
[TSCTC] = mac_read_clr4, [BPTC] = mac_read_clr4,
[MPTC] = mac_read_clr4,
[ICR] = mac_icr_read, [EECD] = get_eecd,
[EERD] = flash_eerd_read,
[RDFH] = mac_low13_read, [RDFT] = mac_low13_read,
@ -1370,6 +1438,18 @@ static const uint8_t mac_reg_access[0x8000] = {
[XONTXC] = markflag(MAC), [XOFFRXC] = markflag(MAC),
[RJC] = markflag(MAC), [RNBC] = markflag(MAC),
[MGTPDC] = markflag(MAC), [MGTPTC] = markflag(MAC),
[RUC] = markflag(MAC), [ROC] = markflag(MAC),
[GORCL] = markflag(MAC), [GORCH] = markflag(MAC),
[GOTCL] = markflag(MAC), [GOTCH] = markflag(MAC),
[BPRC] = markflag(MAC), [MPRC] = markflag(MAC),
[TSCTC] = markflag(MAC), [PRC64] = markflag(MAC),
[PRC127] = markflag(MAC), [PRC255] = markflag(MAC),
[PRC511] = markflag(MAC), [PRC1023] = markflag(MAC),
[PRC1522] = markflag(MAC), [PTC64] = markflag(MAC),
[PTC127] = markflag(MAC), [PTC255] = markflag(MAC),
[PTC511] = markflag(MAC), [PTC1023] = markflag(MAC),
[PTC1522] = markflag(MAC), [MPTC] = markflag(MAC),
[BPTC] = markflag(MAC),
[TDFH] = markflag(MAC) | MAC_ACCESS_PARTIAL,
[TDFT] = markflag(MAC) | MAC_ACCESS_PARTIAL,