| t4_hw.c (252747) | t4_hw.c (253691) |
|---|---|
| 1/*- 2 * Copyright (c) 2012 Chelsio Communications, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2012 Chelsio Communications, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/dev/cxgbe/common/t4_hw.c 252747 2013-07-05 01:53:51Z np $"); | 28__FBSDID("$FreeBSD: head/sys/dev/cxgbe/common/t4_hw.c 253691 2013-07-26 22:04:11Z np $"); |
| 29 30#include "opt_inet.h" 31 32#include "common.h" 33#include "t4_regs.h" 34#include "t4_regs_values.h" 35#include "firmware/t4fw_interface.h" 36 --- 3582 unchanged lines hidden (view full) --- 3619 3620/** 3621 * t4_set_trace_filter - configure one of the tracing filters 3622 * @adap: the adapter 3623 * @tp: the desired trace filter parameters 3624 * @idx: which filter to configure 3625 * @enable: whether to enable or disable the filter 3626 * | 29 30#include "opt_inet.h" 31 32#include "common.h" 33#include "t4_regs.h" 34#include "t4_regs_values.h" 35#include "firmware/t4fw_interface.h" 36 --- 3582 unchanged lines hidden (view full) --- 3619 3620/** 3621 * t4_set_trace_filter - configure one of the tracing filters 3622 * @adap: the adapter 3623 * @tp: the desired trace filter parameters 3624 * @idx: which filter to configure 3625 * @enable: whether to enable or disable the filter 3626 * |
| 3627 * Configures one of the tracing filters available in HW. If @enable is 3628 * %0 @tp is not examined and may be %NULL. The user is responsible to 3629 * set the single/multiple trace mode by writing to A_MPS_TRC_CFG register 3630 * by using "cxgbtool iface reg reg_addr=val" command. See t4_sniffer/ 3631 * docs/readme.txt for a complete description of how to setup traceing on 3632 * T4. | 3627 * Configures one of the tracing filters available in HW. If @tp is %NULL 3628 * it indicates that the filter is already written in the register and it 3629 * just needs to be enabled or disabled. |
| 3633 */ | 3630 */ |
| 3634int t4_set_trace_filter(struct adapter *adap, const struct trace_params *tp, int idx, 3635 int enable) | 3631int t4_set_trace_filter(struct adapter *adap, const struct trace_params *tp, 3632 int idx, int enable) |
| 3636{ 3637 int i, ofst = idx * 4; 3638 u32 data_reg, mask_reg, cfg; 3639 u32 multitrc = F_TRCMULTIFILTER; | 3633{ 3634 int i, ofst = idx * 4; 3635 u32 data_reg, mask_reg, cfg; 3636 u32 multitrc = F_TRCMULTIFILTER; |
| 3637 u32 en = is_t4(adap) ? F_TFEN : F_T5_TFEN; |
|
| 3640 | 3638 |
| 3641 if (!enable) { 3642 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, 0); | 3639 if (idx < 0 || idx >= NTRACE) 3640 return -EINVAL; 3641 3642 if (tp == NULL || !enable) { 3643 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en, 3644 enable ? en : 0); |
| 3643 return 0; 3644 } 3645 3646 /* 3647 * TODO - After T4 data book is updated, specify the exact 3648 * section below. 3649 * 3650 * See T4 data book - MPS section for a complete description --- 4 unchanged lines hidden (view full) --- 3655 if (cfg & F_TRCMULTIFILTER) { 3656 /* 3657 * If multiple tracers are enabled, then maximum 3658 * capture size is 2.5KB (FIFO size of a single channel) 3659 * minus 2 flits for CPL_TRACE_PKT header. 3660 */ 3661 if (tp->snap_len > ((10 * 1024 / 4) - (2 * 8))) 3662 return -EINVAL; | 3645 return 0; 3646 } 3647 3648 /* 3649 * TODO - After T4 data book is updated, specify the exact 3650 * section below. 3651 * 3652 * See T4 data book - MPS section for a complete description --- 4 unchanged lines hidden (view full) --- 3657 if (cfg & F_TRCMULTIFILTER) { 3658 /* 3659 * If multiple tracers are enabled, then maximum 3660 * capture size is 2.5KB (FIFO size of a single channel) 3661 * minus 2 flits for CPL_TRACE_PKT header. 3662 */ 3663 if (tp->snap_len > ((10 * 1024 / 4) - (2 * 8))) 3664 return -EINVAL; |
| 3663 } 3664 else { | 3665 } else { |
| 3665 /* 3666 * If multiple tracers are disabled, to avoid deadlocks 3667 * maximum packet capture size of 9600 bytes is recommended. 3668 * Also in this mode, only trace0 can be enabled and running. 3669 */ 3670 multitrc = 0; 3671 if (tp->snap_len > 9600 || idx) 3672 return -EINVAL; 3673 } 3674 | 3666 /* 3667 * If multiple tracers are disabled, to avoid deadlocks 3668 * maximum packet capture size of 9600 bytes is recommended. 3669 * Also in this mode, only trace0 can be enabled and running. 3670 */ 3671 multitrc = 0; 3672 if (tp->snap_len > 9600 || idx) 3673 return -EINVAL; 3674 } 3675 |
| 3675 if (tp->port > 11 || tp->invert > 1 || tp->skip_len > M_TFLENGTH || 3676 tp->skip_ofst > M_TFOFFSET || tp->min_len > M_TFMINPKTSIZE) | 3676 if (tp->port > (is_t4(adap) ? 11 : 19) || tp->invert > 1 || 3677 tp->skip_len > M_TFLENGTH || tp->skip_ofst > M_TFOFFSET || 3678 tp->min_len > M_TFMINPKTSIZE) |
| 3677 return -EINVAL; 3678 3679 /* stop the tracer we'll be changing */ | 3679 return -EINVAL; 3680 3681 /* stop the tracer we'll be changing */ |
| 3680 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, 0); | 3682 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en, 0); |
| 3681 3682 idx *= (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH); 3683 data_reg = A_MPS_TRC_FILTER0_MATCH + idx; 3684 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + idx; 3685 3686 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) { 3687 t4_write_reg(adap, data_reg, tp->data[i]); 3688 t4_write_reg(adap, mask_reg, ~tp->mask[i]); 3689 } 3690 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst, 3691 V_TFCAPTUREMAX(tp->snap_len) | 3692 V_TFMINPKTSIZE(tp->min_len)); 3693 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, | 3683 3684 idx *= (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH); 3685 data_reg = A_MPS_TRC_FILTER0_MATCH + idx; 3686 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + idx; 3687 3688 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) { 3689 t4_write_reg(adap, data_reg, tp->data[i]); 3690 t4_write_reg(adap, mask_reg, ~tp->mask[i]); 3691 } 3692 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst, 3693 V_TFCAPTUREMAX(tp->snap_len) | 3694 V_TFMINPKTSIZE(tp->min_len)); 3695 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, |
| 3694 V_TFOFFSET(tp->skip_ofst) | V_TFLENGTH(tp->skip_len) | 3695 is_t4(adap) ? 3696 V_TFPORT(tp->port) | F_TFEN | V_TFINVERTMATCH(tp->invert) : 3697 V_T5_TFPORT(tp->port) | F_T5_TFEN | 3698 V_T5_TFINVERTMATCH(tp->invert)); | 3696 V_TFOFFSET(tp->skip_ofst) | V_TFLENGTH(tp->skip_len) | en | 3697 (is_t4(adap) ? 3698 V_TFPORT(tp->port) | V_TFINVERTMATCH(tp->invert) : 3699 V_T5_TFPORT(tp->port) | V_T5_TFINVERTMATCH(tp->invert))); |
| 3699 3700 return 0; 3701} 3702 3703/** 3704 * t4_get_trace_filter - query one of the tracing filters 3705 * @adap: the adapter 3706 * @tp: the current trace filter parameters --- 10 unchanged lines hidden (view full) --- 3717 u32 data_reg, mask_reg; 3718 3719 ctla = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst); 3720 ctlb = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst); 3721 3722 if (is_t4(adap)) { 3723 *enabled = !!(ctla & F_TFEN); 3724 tp->port = G_TFPORT(ctla); | 3700 3701 return 0; 3702} 3703 3704/** 3705 * t4_get_trace_filter - query one of the tracing filters 3706 * @adap: the adapter 3707 * @tp: the current trace filter parameters --- 10 unchanged lines hidden (view full) --- 3718 u32 data_reg, mask_reg; 3719 3720 ctla = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst); 3721 ctlb = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst); 3722 3723 if (is_t4(adap)) { 3724 *enabled = !!(ctla & F_TFEN); 3725 tp->port = G_TFPORT(ctla); |
| 3726 tp->invert = !!(ctla & F_TFINVERTMATCH); |
|
| 3725 } else { 3726 *enabled = !!(ctla & F_T5_TFEN); 3727 tp->port = G_T5_TFPORT(ctla); | 3727 } else { 3728 *enabled = !!(ctla & F_T5_TFEN); 3729 tp->port = G_T5_TFPORT(ctla); |
| 3730 tp->invert = !!(ctla & F_T5_TFINVERTMATCH); |
|
| 3728 } 3729 tp->snap_len = G_TFCAPTUREMAX(ctlb); 3730 tp->min_len = G_TFMINPKTSIZE(ctlb); 3731 tp->skip_ofst = G_TFOFFSET(ctla); 3732 tp->skip_len = G_TFLENGTH(ctla); | 3731 } 3732 tp->snap_len = G_TFCAPTUREMAX(ctlb); 3733 tp->min_len = G_TFMINPKTSIZE(ctlb); 3734 tp->skip_ofst = G_TFOFFSET(ctla); 3735 tp->skip_len = G_TFLENGTH(ctla); |
| 3733 tp->invert = !!(ctla & F_TFINVERTMATCH); | |
| 3734 3735 ofst = (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH) * idx; 3736 data_reg = A_MPS_TRC_FILTER0_MATCH + ofst; 3737 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + ofst; 3738 3739 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) { 3740 tp->mask[i] = ~t4_read_reg(adap, mask_reg); 3741 tp->data[i] = t4_read_reg(adap, data_reg) & tp->mask[i]; --- 1920 unchanged lines hidden --- | 3736 3737 ofst = (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH) * idx; 3738 data_reg = A_MPS_TRC_FILTER0_MATCH + ofst; 3739 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + ofst; 3740 3741 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) { 3742 tp->mask[i] = ~t4_read_reg(adap, mask_reg); 3743 tp->data[i] = t4_read_reg(adap, data_reg) & tp->mask[i]; --- 1920 unchanged lines hidden --- |