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X-Received-From: 2a00:1450:400c:c09::233 Cc: Dmitry Fleytman , Jason Wang , Leonid Bloch , Shmulik Ladkani Subject: [Qemu-devel] [PATCH v6 8/9] e1000: Implementing various counters X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org 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 Signed-off-by: Dmitry Fleytman --- hw/net/e1000.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 85 insertions(+), 5 deletions(-) diff --git a/hw/net/e1000.c b/hw/net/e1000.c index 821fed4..793286a 100644 --- a/hw/net/e1000.c +++ b/hw/net/e1000.c @@ -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,