From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuval Mintz Subject: [PATCH net-next v7 1/2] qed: Add infrastructure for PTP support Date: Wed, 15 Feb 2017 10:24:10 +0200 Message-ID: <1487147051-14350-2-git-send-email-Yuval.Mintz@cavium.com> References: <1487147051-14350-1-git-send-email-Yuval.Mintz@cavium.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Sudarsana Reddy Kalluru , Yuval Mintz To: , Return-path: Received: from mx0b-0016ce01.pphosted.com ([67.231.156.153]:53255 "EHLO mx0b-0016ce01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750979AbdBOIYg (ORCPT ); Wed, 15 Feb 2017 03:24:36 -0500 In-Reply-To: <1487147051-14350-1-git-send-email-Yuval.Mintz@cavium.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Sudarsana Reddy Kalluru The patch adds the required qed interfaces for configuring/reading the PTP clock on the adapter. Signed-off-by: Sudarsana Reddy Kalluru Signed-off-by: Yuval Mintz --- drivers/net/ethernet/qlogic/qed/Makefile | 2 +- drivers/net/ethernet/qlogic/qed/qed.h | 2 + drivers/net/ethernet/qlogic/qed/qed_l2.c | 5 + drivers/net/ethernet/qlogic/qed/qed_l2.h | 1 + drivers/net/ethernet/qlogic/qed/qed_main.c | 15 ++ drivers/net/ethernet/qlogic/qed/qed_ptp.c | 323 +++++++++++++++++++++++++ drivers/net/ethernet/qlogic/qed/qed_ptp.h | 47 ++++ drivers/net/ethernet/qlogic/qed/qed_reg_addr.h | 31 +++ include/linux/qed/qed_eth_if.h | 22 ++ 9 files changed, 447 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/qlogic/qed/qed_ptp.c create mode 100644 drivers/net/ethernet/qlogic/qed/qed_ptp.h diff --git a/drivers/net/ethernet/qlogic/qed/Makefile b/drivers/net/ethernet/qlogic/qed/Makefile index 729e437..1a7300f 100644 --- a/drivers/net/ethernet/qlogic/qed/Makefile +++ b/drivers/net/ethernet/qlogic/qed/Makefile @@ -2,7 +2,7 @@ obj-$(CONFIG_QED) := qed.o qed-y := qed_cxt.o qed_dev.o qed_hw.o qed_init_fw_funcs.o qed_init_ops.o \ qed_int.o qed_main.o qed_mcp.o qed_sp_commands.o qed_spq.o qed_l2.o \ - qed_selftest.o qed_dcbx.o qed_debug.o + qed_selftest.o qed_dcbx.o qed_debug.o qed_ptp.o qed-$(CONFIG_QED_SRIOV) += qed_sriov.o qed_vf.o qed-$(CONFIG_QED_LL2) += qed_ll2.o qed-$(CONFIG_QED_RDMA) += qed_roce.o diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h index 1f61cf3..6557f94 100644 --- a/drivers/net/ethernet/qlogic/qed/qed.h +++ b/drivers/net/ethernet/qlogic/qed/qed.h @@ -456,6 +456,8 @@ struct qed_hwfn { u8 dcbx_no_edpm; u8 db_bar_no_edpm; + /* p_ptp_ptt is valid for leading HWFN only */ + struct qed_ptt *p_ptp_ptt; struct qed_simd_fp_handler simd_proto_handler[64]; #ifdef CONFIG_QED_SRIOV diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c index 7520eb3..df932be 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c @@ -214,6 +214,7 @@ int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, p_ramrod->vport_id = abs_vport_id; p_ramrod->mtu = cpu_to_le16(p_params->mtu); + p_ramrod->handle_ptp_pkts = p_params->handle_ptp_pkts; p_ramrod->inner_vlan_removal_en = p_params->remove_inner_vlan; p_ramrod->drop_ttl0_en = p_params->drop_ttl0; p_ramrod->untagged = p_params->only_untagged; @@ -1886,6 +1887,7 @@ static int qed_start_vport(struct qed_dev *cdev, start.drop_ttl0 = params->drop_ttl0; start.opaque_fid = p_hwfn->hw_info.opaque_fid; start.concrete_fid = p_hwfn->hw_info.concrete_fid; + start.handle_ptp_pkts = params->handle_ptp_pkts; start.vport_id = params->vport_id; start.max_buffers_per_cqe = 16; start.mtu = params->mtu; @@ -2328,6 +2330,8 @@ static int qed_fp_cqe_completion(struct qed_dev *dev, extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass; #endif +extern const struct qed_eth_ptp_ops qed_ptp_ops_pass; + static const struct qed_eth_ops qed_eth_ops_pass = { .common = &qed_common_ops_pass, #ifdef CONFIG_QED_SRIOV @@ -2336,6 +2340,7 @@ static int qed_fp_cqe_completion(struct qed_dev *dev, #ifdef CONFIG_DCB .dcb = &qed_dcbnl_ops_pass, #endif + .ptp = &qed_ptp_ops_pass, .fill_dev_info = &qed_fill_eth_dev_info, .register_ops = &qed_register_eth_ops, .check_mac = &qed_check_mac, diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.h b/drivers/net/ethernet/qlogic/qed/qed_l2.h index 93cb932..e763abd 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.h +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.h @@ -156,6 +156,7 @@ struct qed_sp_vport_start_params { enum qed_tpa_mode tpa_mode; bool remove_inner_vlan; bool tx_switching; + bool handle_ptp_pkts; bool only_untagged; bool drop_ttl0; u8 max_buffers_per_cqe; diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 93eee83..592e104 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -902,6 +902,7 @@ static int qed_slowpath_start(struct qed_dev *cdev, struct qed_mcp_drv_version drv_version; const u8 *data = NULL; struct qed_hwfn *hwfn; + struct qed_ptt *p_ptt; int rc = -EINVAL; if (qed_iov_wq_start(cdev)) @@ -916,6 +917,14 @@ static int qed_slowpath_start(struct qed_dev *cdev, QED_FW_FILE_NAME); goto err; } + + p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev)); + if (p_ptt) { + QED_LEADING_HWFN(cdev)->p_ptp_ptt = p_ptt; + } else { + DP_NOTICE(cdev, "Failed to acquire PTT for PTP\n"); + goto err; + } } cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS; @@ -1003,6 +1012,10 @@ static int qed_slowpath_start(struct qed_dev *cdev, if (IS_PF(cdev)) release_firmware(cdev->firmware); + if (IS_PF(cdev) && QED_LEADING_HWFN(cdev)->p_ptp_ptt) + qed_ptt_release(QED_LEADING_HWFN(cdev), + QED_LEADING_HWFN(cdev)->p_ptp_ptt); + qed_iov_wq_stop(cdev, false); return rc; @@ -1016,6 +1029,8 @@ static int qed_slowpath_stop(struct qed_dev *cdev) qed_ll2_dealloc_if(cdev); if (IS_PF(cdev)) { + qed_ptt_release(QED_LEADING_HWFN(cdev), + QED_LEADING_HWFN(cdev)->p_ptp_ptt); qed_free_stream_mem(cdev); if (IS_QED_ETH_IF(cdev)) qed_sriov_disable(cdev, true); diff --git a/drivers/net/ethernet/qlogic/qed/qed_ptp.c b/drivers/net/ethernet/qlogic/qed/qed_ptp.c new file mode 100644 index 0000000..aba0c46 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_ptp.c @@ -0,0 +1,323 @@ +/* QLogic qed NIC Driver + * Copyright (c) 2015-2017 QLogic Corporation + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and /or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include +#include "qed.h" +#include "qed_dev_api.h" +#include "qed_hw.h" +#include "qed_l2.h" +#include "qed_ptp.h" +#include "qed_reg_addr.h" + +/* 16 nano second time quantas to wait before making a Drift adjustment */ +#define QED_DRIFT_CNTR_TIME_QUANTA_SHIFT 0 +/* Nano seconds to add/subtract when making a Drift adjustment */ +#define QED_DRIFT_CNTR_ADJUSTMENT_SHIFT 28 +/* Add/subtract the Adjustment_Value when making a Drift adjustment */ +#define QED_DRIFT_CNTR_DIRECTION_SHIFT 31 +#define QED_TIMESTAMP_MASK BIT(16) + +/* Read Rx timestamp */ +static int qed_ptp_hw_read_rx_ts(struct qed_dev *cdev, u64 *timestamp) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_ptp_ptt; + u32 val; + + *timestamp = 0; + val = qed_rd(p_hwfn, p_ptt, NIG_REG_LLH_PTP_HOST_BUF_SEQID); + if (!(val & QED_TIMESTAMP_MASK)) { + DP_INFO(p_hwfn, "Invalid Rx timestamp, buf_seqid = %d\n", val); + return -EINVAL; + } + + val = qed_rd(p_hwfn, p_ptt, NIG_REG_LLH_PTP_HOST_BUF_TS_LSB); + *timestamp = qed_rd(p_hwfn, p_ptt, NIG_REG_LLH_PTP_HOST_BUF_TS_MSB); + *timestamp <<= 32; + *timestamp |= val; + + /* Reset timestamp register to allow new timestamp */ + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_HOST_BUF_SEQID, + QED_TIMESTAMP_MASK); + + return 0; +} + +/* Read Tx timestamp */ +static int qed_ptp_hw_read_tx_ts(struct qed_dev *cdev, u64 *timestamp) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_ptp_ptt; + u32 val; + + *timestamp = 0; + val = qed_rd(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_BUF_SEQID); + if (!(val & QED_TIMESTAMP_MASK)) { + DP_INFO(p_hwfn, "Invalid Tx timestamp, buf_seqid = %d\n", val); + return -EINVAL; + } + + val = qed_rd(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_BUF_TS_LSB); + *timestamp = qed_rd(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_BUF_TS_MSB); + *timestamp <<= 32; + *timestamp |= val; + + /* Reset timestamp register to allow new timestamp */ + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_BUF_SEQID, QED_TIMESTAMP_MASK); + + return 0; +} + +/* Read Phy Hardware Clock */ +static int qed_ptp_hw_read_cc(struct qed_dev *cdev, u64 *phc_cycles) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_ptp_ptt; + u32 temp = 0; + + temp = qed_rd(p_hwfn, p_ptt, NIG_REG_TSGEN_SYNC_TIME_LSB); + *phc_cycles = qed_rd(p_hwfn, p_ptt, NIG_REG_TSGEN_SYNC_TIME_MSB); + *phc_cycles <<= 32; + *phc_cycles |= temp; + + return 0; +} + +/* Filter PTP protocol packets that need to be timestamped */ +static int qed_ptp_hw_cfg_rx_filters(struct qed_dev *cdev, + enum qed_ptp_filter_type type) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_ptp_ptt; + u32 rule_mask, parm_mask; + + switch (type) { + case QED_PTP_FILTER_L2_IPV4_IPV6: + parm_mask = 0x6AA; + rule_mask = 0x3EEE; + break; + case QED_PTP_FILTER_L2: + parm_mask = 0x6BF; + rule_mask = 0x3EFF; + break; + case QED_PTP_FILTER_IPV4_IPV6: + parm_mask = 0x7EA; + rule_mask = 0x3FFE; + break; + case QED_PTP_FILTER_IPV4: + parm_mask = 0x7EE; + rule_mask = 0x3FFE; + break; + default: + DP_INFO(p_hwfn, "Invalid PTP filter type %d\n", type); + return -EINVAL; + } + + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_PARAM_MASK, parm_mask); + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_RULE_MASK, rule_mask); + + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_TO_HOST, 0x1); + + /* Reset possibly old timestamps */ + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_HOST_BUF_SEQID, + QED_TIMESTAMP_MASK); + + return 0; +} + +/* Adjust the HW clock by a rate given in parts-per-billion (ppb) units. + * FW/HW accepts the adjustment value in terms of 3 parameters: + * Drift period - adjustment happens once in certain number of nano seconds. + * Drift value - time is adjusted by a certain value, for example by 5 ns. + * Drift direction - add or subtract the adjustment value. + * The routine translates ppb into the adjustment triplet in an optimal manner. + */ +static int qed_ptp_hw_adjfreq(struct qed_dev *cdev, s32 ppb) +{ + s64 best_val = 0, val, best_period = 0, period, approx_dev, dif, dif2; + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_ptp_ptt; + u32 drift_ctr_cfg = 0, drift_state; + int drift_dir = 1; + + if (ppb < 0) { + ppb = -ppb; + drift_dir = 0; + } + + if (ppb > 1) { + s64 best_dif = ppb, best_approx_dev = 1; + + /* Adjustment value is up to +/-7ns, find an optimal value in + * this range. + */ + for (val = 7; val > 0; val--) { + period = div_s64(val * 1000000000, ppb); + period -= 8; + period >>= 4; + if (period < 1) + period = 1; + if (period > 0xFFFFFFE) + period = 0xFFFFFFE; + + /* Check both rounding ends for approximate error */ + approx_dev = period * 16 + 8; + dif = ppb * approx_dev - val * 1000000000; + dif2 = dif + 16 * ppb; + + if (dif < 0) + dif = -dif; + if (dif2 < 0) + dif2 = -dif2; + + /* Determine which end gives better approximation */ + if (dif * (approx_dev + 16) > dif2 * approx_dev) { + period++; + approx_dev += 16; + dif = dif2; + } + + /* Track best approximation found so far */ + if (best_dif * approx_dev > dif * best_approx_dev) { + best_dif = dif; + best_val = val; + best_period = period; + best_approx_dev = approx_dev; + } + } + } else if (ppb == 1) { + /* This is a special case as its the only value which wouldn't + * fit in a s64 variable. In order to prevent castings simple + * handle it seperately. + */ + best_val = 4; + best_period = 0xee6b27f; + } else { + best_val = 0; + best_period = 0xFFFFFFF; + } + + drift_ctr_cfg = (best_period << QED_DRIFT_CNTR_TIME_QUANTA_SHIFT) | + (((int)best_val) << QED_DRIFT_CNTR_ADJUSTMENT_SHIFT) | + (((int)drift_dir) << QED_DRIFT_CNTR_DIRECTION_SHIFT); + + qed_wr(p_hwfn, p_ptt, NIG_REG_TSGEN_RST_DRIFT_CNTR, 0x1); + + drift_state = qed_rd(p_hwfn, p_ptt, NIG_REG_TSGEN_RST_DRIFT_CNTR); + if (drift_state & 1) { + qed_wr(p_hwfn, p_ptt, NIG_REG_TSGEN_DRIFT_CNTR_CONF, + drift_ctr_cfg); + } else { + DP_INFO(p_hwfn, "Drift counter is not reset\n"); + return -EINVAL; + } + + qed_wr(p_hwfn, p_ptt, NIG_REG_TSGEN_RST_DRIFT_CNTR, 0x0); + + return 0; +} + +static int qed_ptp_hw_enable(struct qed_dev *cdev) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_ptp_ptt; + + /* Reset PTP event detection rules - will be configured in the IOCTL */ + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_PARAM_MASK, 0x7FF); + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_RULE_MASK, 0x3FFF); + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_PARAM_MASK, 0x7FF); + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_RULE_MASK, 0x3FFF); + + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_PTP_EN, 7); + qed_wr(p_hwfn, p_ptt, NIG_REG_RX_PTP_EN, 7); + + qed_wr(p_hwfn, p_ptt, NIG_REG_TS_OUTPUT_ENABLE_PDA, 0x1); + + /* Pause free running counter */ + qed_wr(p_hwfn, p_ptt, NIG_REG_TIMESYNC_GEN_REG_BB, 2); + + qed_wr(p_hwfn, p_ptt, NIG_REG_TSGEN_FREE_CNT_VALUE_LSB, 0); + qed_wr(p_hwfn, p_ptt, NIG_REG_TSGEN_FREE_CNT_VALUE_MSB, 0); + /* Resume free running counter */ + qed_wr(p_hwfn, p_ptt, NIG_REG_TIMESYNC_GEN_REG_BB, 4); + + /* Disable drift register */ + qed_wr(p_hwfn, p_ptt, NIG_REG_TSGEN_DRIFT_CNTR_CONF, 0x0); + qed_wr(p_hwfn, p_ptt, NIG_REG_TSGEN_RST_DRIFT_CNTR, 0x0); + + /* Reset possibly old timestamps */ + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_HOST_BUF_SEQID, + QED_TIMESTAMP_MASK); + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_BUF_SEQID, QED_TIMESTAMP_MASK); + + return 0; +} + +static int qed_ptp_hw_hwtstamp_tx_on(struct qed_dev *cdev) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_ptp_ptt; + + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_PARAM_MASK, 0x6AA); + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_RULE_MASK, 0x3EEE); + + return 0; +} + +static int qed_ptp_hw_disable(struct qed_dev *cdev) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_ptt *p_ptt = p_hwfn->p_ptp_ptt; + + /* Reset PTP event detection rules */ + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_PARAM_MASK, 0x7FF); + qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_RULE_MASK, 0x3FFF); + + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_PARAM_MASK, 0x7FF); + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_RULE_MASK, 0x3FFF); + + /* Disable the PTP feature */ + qed_wr(p_hwfn, p_ptt, NIG_REG_RX_PTP_EN, 0x0); + qed_wr(p_hwfn, p_ptt, NIG_REG_TX_PTP_EN, 0x0); + + return 0; +} + +const struct qed_eth_ptp_ops qed_ptp_ops_pass = { + .hwtstamp_tx_on = qed_ptp_hw_hwtstamp_tx_on, + .cfg_rx_filters = qed_ptp_hw_cfg_rx_filters, + .read_rx_ts = qed_ptp_hw_read_rx_ts, + .read_tx_ts = qed_ptp_hw_read_tx_ts, + .read_cc = qed_ptp_hw_read_cc, + .adjfreq = qed_ptp_hw_adjfreq, + .disable = qed_ptp_hw_disable, + .enable = qed_ptp_hw_enable, +}; diff --git a/drivers/net/ethernet/qlogic/qed/qed_ptp.h b/drivers/net/ethernet/qlogic/qed/qed_ptp.h new file mode 100644 index 0000000..63c666d --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_ptp.h @@ -0,0 +1,47 @@ +/* QLogic qed NIC Driver + * Copyright (c) 2015-2017 QLogic Corporation + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and /or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _QED_PTP_H +#define _QED_PTP_H +#include + +int qed_ptp_hwtstamp_tx_on(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); +int qed_ptp_cfg_rx_filters(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + enum qed_ptp_filter_type type); +int qed_ptp_read_rx_ts(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u64 *ts); +int qed_ptp_read_tx_ts(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u64 *ts); +int qed_ptp_read_cc(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u64 *cycles); +int qed_ptp_adjfreq(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, s32 ppb); +int qed_ptp_disable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); +int qed_ptp_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); + +#endif diff --git a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h index b6722c6..3b7edf6 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h +++ b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h @@ -1481,4 +1481,35 @@ #define DORQ_REG_PF_ICID_BIT_SHIFT_NORM 0x100448UL #define DORQ_REG_PF_MIN_ADDR_REG1 0x100400UL #define DORQ_REG_PF_DPI_BIT_SHIFT 0x100450UL +#define NIG_REG_RX_PTP_EN 0x501900UL +#define NIG_REG_TX_PTP_EN 0x501904UL +#define NIG_REG_LLH_PTP_TO_HOST 0x501908UL +#define NIG_REG_LLH_PTP_TO_MCP 0x50190cUL +#define NIG_REG_PTP_SW_TXTSEN 0x501910UL +#define NIG_REG_LLH_PTP_ETHERTYPE_1 0x501914UL +#define NIG_REG_LLH_PTP_MAC_DA_2_LSB 0x501918UL +#define NIG_REG_LLH_PTP_MAC_DA_2_MSB 0x50191cUL +#define NIG_REG_LLH_PTP_PARAM_MASK 0x501920UL +#define NIG_REG_LLH_PTP_RULE_MASK 0x501924UL +#define NIG_REG_TX_LLH_PTP_PARAM_MASK 0x501928UL +#define NIG_REG_TX_LLH_PTP_RULE_MASK 0x50192cUL +#define NIG_REG_LLH_PTP_HOST_BUF_SEQID 0x501930UL +#define NIG_REG_LLH_PTP_HOST_BUF_TS_LSB 0x501934UL +#define NIG_REG_LLH_PTP_HOST_BUF_TS_MSB 0x501938UL +#define NIG_REG_LLH_PTP_MCP_BUF_SEQID 0x50193cUL +#define NIG_REG_LLH_PTP_MCP_BUF_TS_LSB 0x501940UL +#define NIG_REG_LLH_PTP_MCP_BUF_TS_MSB 0x501944UL +#define NIG_REG_TX_LLH_PTP_BUF_SEQID 0x501948UL +#define NIG_REG_TX_LLH_PTP_BUF_TS_LSB 0x50194cUL +#define NIG_REG_TX_LLH_PTP_BUF_TS_MSB 0x501950UL +#define NIG_REG_RX_PTP_TS_MSB_ERR 0x501954UL +#define NIG_REG_TX_PTP_TS_MSB_ERR 0x501958UL +#define NIG_REG_TSGEN_SYNC_TIME_LSB 0x5088c0UL +#define NIG_REG_TSGEN_SYNC_TIME_MSB 0x5088c4UL +#define NIG_REG_TSGEN_RST_DRIFT_CNTR 0x5088d8UL +#define NIG_REG_TSGEN_DRIFT_CNTR_CONF 0x5088dcUL +#define NIG_REG_TS_OUTPUT_ENABLE_PDA 0x508870UL +#define NIG_REG_TIMESYNC_GEN_REG_BB 0x500d00UL +#define NIG_REG_TSGEN_FREE_CNT_VALUE_LSB 0x5088a8UL +#define NIG_REG_TSGEN_FREE_CNT_VALUE_MSB 0x5088acUL #endif diff --git a/include/linux/qed/qed_eth_if.h b/include/linux/qed/qed_eth_if.h index 3613d63..4cd1f0c 100644 --- a/include/linux/qed/qed_eth_if.h +++ b/include/linux/qed/qed_eth_if.h @@ -96,6 +96,7 @@ struct qed_update_vport_params { struct qed_start_vport_params { bool remove_inner_vlan; + bool handle_ptp_pkts; bool gro_enable; bool drop_ttl0; u8 vport_id; @@ -159,6 +160,15 @@ struct qed_eth_cb_ops { void (*force_mac) (void *dev, u8 *mac, bool forced); }; +#define QED_MAX_PHC_DRIFT_PPB 291666666 + +enum qed_ptp_filter_type { + QED_PTP_FILTER_L2, + QED_PTP_FILTER_IPV4, + QED_PTP_FILTER_IPV4_IPV6, + QED_PTP_FILTER_L2_IPV4_IPV6 +}; + #ifdef CONFIG_DCB /* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration * of dcbnl_rtnl_ops structure. @@ -218,6 +228,17 @@ struct qed_eth_dcbnl_ops { }; #endif +struct qed_eth_ptp_ops { + int (*hwtstamp_tx_on)(struct qed_dev *); + int (*cfg_rx_filters)(struct qed_dev *, enum qed_ptp_filter_type); + int (*read_rx_ts)(struct qed_dev *, u64 *); + int (*read_tx_ts)(struct qed_dev *, u64 *); + int (*read_cc)(struct qed_dev *, u64 *); + int (*disable)(struct qed_dev *); + int (*adjfreq)(struct qed_dev *, s32); + int (*enable)(struct qed_dev *); +}; + struct qed_eth_ops { const struct qed_common_ops *common; #ifdef CONFIG_QED_SRIOV @@ -226,6 +247,7 @@ struct qed_eth_ops { #ifdef CONFIG_DCB const struct qed_eth_dcbnl_ops *dcb; #endif + const struct qed_eth_ptp_ops *ptp; int (*fill_dev_info)(struct qed_dev *cdev, struct qed_dev_eth_info *info); -- 1.9.3