Commit c78c70fa authored by Sudarsana Reddy Kalluru's avatar Sudarsana Reddy Kalluru Committed by David S. Miller

qed: Add infrastructure for PTP support

The patch adds the required qed interfaces for configuring/reading
the PTP clock on the adapter.
Signed-off-by: default avatarSudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: default avatarYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b93f79be
...@@ -2,7 +2,7 @@ obj-$(CONFIG_QED) := qed.o ...@@ -2,7 +2,7 @@ obj-$(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-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_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_SRIOV) += qed_sriov.o qed_vf.o
qed-$(CONFIG_QED_LL2) += qed_ll2.o qed-$(CONFIG_QED_LL2) += qed_ll2.o
qed-$(CONFIG_QED_RDMA) += qed_roce.o qed-$(CONFIG_QED_RDMA) += qed_roce.o
......
...@@ -456,6 +456,8 @@ struct qed_hwfn { ...@@ -456,6 +456,8 @@ struct qed_hwfn {
u8 dcbx_no_edpm; u8 dcbx_no_edpm;
u8 db_bar_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]; struct qed_simd_fp_handler simd_proto_handler[64];
#ifdef CONFIG_QED_SRIOV #ifdef CONFIG_QED_SRIOV
......
...@@ -214,6 +214,7 @@ int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, ...@@ -214,6 +214,7 @@ int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
p_ramrod->vport_id = abs_vport_id; p_ramrod->vport_id = abs_vport_id;
p_ramrod->mtu = cpu_to_le16(p_params->mtu); 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->inner_vlan_removal_en = p_params->remove_inner_vlan;
p_ramrod->drop_ttl0_en = p_params->drop_ttl0; p_ramrod->drop_ttl0_en = p_params->drop_ttl0;
p_ramrod->untagged = p_params->only_untagged; p_ramrod->untagged = p_params->only_untagged;
...@@ -1886,6 +1887,7 @@ static int qed_start_vport(struct qed_dev *cdev, ...@@ -1886,6 +1887,7 @@ static int qed_start_vport(struct qed_dev *cdev,
start.drop_ttl0 = params->drop_ttl0; start.drop_ttl0 = params->drop_ttl0;
start.opaque_fid = p_hwfn->hw_info.opaque_fid; start.opaque_fid = p_hwfn->hw_info.opaque_fid;
start.concrete_fid = p_hwfn->hw_info.concrete_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.vport_id = params->vport_id;
start.max_buffers_per_cqe = 16; start.max_buffers_per_cqe = 16;
start.mtu = params->mtu; start.mtu = params->mtu;
...@@ -2328,6 +2330,8 @@ extern const struct qed_iov_hv_ops qed_iov_ops_pass; ...@@ -2328,6 +2330,8 @@ extern const struct qed_iov_hv_ops qed_iov_ops_pass;
extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass; extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass;
#endif #endif
extern const struct qed_eth_ptp_ops qed_ptp_ops_pass;
static const struct qed_eth_ops qed_eth_ops_pass = { static const struct qed_eth_ops qed_eth_ops_pass = {
.common = &qed_common_ops_pass, .common = &qed_common_ops_pass,
#ifdef CONFIG_QED_SRIOV #ifdef CONFIG_QED_SRIOV
...@@ -2336,6 +2340,7 @@ static const struct qed_eth_ops qed_eth_ops_pass = { ...@@ -2336,6 +2340,7 @@ static const struct qed_eth_ops qed_eth_ops_pass = {
#ifdef CONFIG_DCB #ifdef CONFIG_DCB
.dcb = &qed_dcbnl_ops_pass, .dcb = &qed_dcbnl_ops_pass,
#endif #endif
.ptp = &qed_ptp_ops_pass,
.fill_dev_info = &qed_fill_eth_dev_info, .fill_dev_info = &qed_fill_eth_dev_info,
.register_ops = &qed_register_eth_ops, .register_ops = &qed_register_eth_ops,
.check_mac = &qed_check_mac, .check_mac = &qed_check_mac,
......
...@@ -156,6 +156,7 @@ struct qed_sp_vport_start_params { ...@@ -156,6 +156,7 @@ struct qed_sp_vport_start_params {
enum qed_tpa_mode tpa_mode; enum qed_tpa_mode tpa_mode;
bool remove_inner_vlan; bool remove_inner_vlan;
bool tx_switching; bool tx_switching;
bool handle_ptp_pkts;
bool only_untagged; bool only_untagged;
bool drop_ttl0; bool drop_ttl0;
u8 max_buffers_per_cqe; u8 max_buffers_per_cqe;
......
...@@ -902,6 +902,7 @@ static int qed_slowpath_start(struct qed_dev *cdev, ...@@ -902,6 +902,7 @@ static int qed_slowpath_start(struct qed_dev *cdev,
struct qed_mcp_drv_version drv_version; struct qed_mcp_drv_version drv_version;
const u8 *data = NULL; const u8 *data = NULL;
struct qed_hwfn *hwfn; struct qed_hwfn *hwfn;
struct qed_ptt *p_ptt;
int rc = -EINVAL; int rc = -EINVAL;
if (qed_iov_wq_start(cdev)) if (qed_iov_wq_start(cdev))
...@@ -916,6 +917,14 @@ static int qed_slowpath_start(struct qed_dev *cdev, ...@@ -916,6 +917,14 @@ static int qed_slowpath_start(struct qed_dev *cdev,
QED_FW_FILE_NAME); QED_FW_FILE_NAME);
goto err; 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; cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
...@@ -1003,6 +1012,10 @@ static int qed_slowpath_start(struct qed_dev *cdev, ...@@ -1003,6 +1012,10 @@ static int qed_slowpath_start(struct qed_dev *cdev,
if (IS_PF(cdev)) if (IS_PF(cdev))
release_firmware(cdev->firmware); 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); qed_iov_wq_stop(cdev, false);
return rc; return rc;
...@@ -1016,6 +1029,8 @@ static int qed_slowpath_stop(struct qed_dev *cdev) ...@@ -1016,6 +1029,8 @@ static int qed_slowpath_stop(struct qed_dev *cdev)
qed_ll2_dealloc_if(cdev); qed_ll2_dealloc_if(cdev);
if (IS_PF(cdev)) { if (IS_PF(cdev)) {
qed_ptt_release(QED_LEADING_HWFN(cdev),
QED_LEADING_HWFN(cdev)->p_ptp_ptt);
qed_free_stream_mem(cdev); qed_free_stream_mem(cdev);
if (IS_QED_ETH_IF(cdev)) if (IS_QED_ETH_IF(cdev))
qed_sriov_disable(cdev, true); qed_sriov_disable(cdev, true);
......
This diff is collapsed.
/* 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 <linux/types.h>
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
...@@ -1481,4 +1481,35 @@ ...@@ -1481,4 +1481,35 @@
#define DORQ_REG_PF_ICID_BIT_SHIFT_NORM 0x100448UL #define DORQ_REG_PF_ICID_BIT_SHIFT_NORM 0x100448UL
#define DORQ_REG_PF_MIN_ADDR_REG1 0x100400UL #define DORQ_REG_PF_MIN_ADDR_REG1 0x100400UL
#define DORQ_REG_PF_DPI_BIT_SHIFT 0x100450UL #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 #endif
...@@ -96,6 +96,7 @@ struct qed_update_vport_params { ...@@ -96,6 +96,7 @@ struct qed_update_vport_params {
struct qed_start_vport_params { struct qed_start_vport_params {
bool remove_inner_vlan; bool remove_inner_vlan;
bool handle_ptp_pkts;
bool gro_enable; bool gro_enable;
bool drop_ttl0; bool drop_ttl0;
u8 vport_id; u8 vport_id;
...@@ -159,6 +160,15 @@ struct qed_eth_cb_ops { ...@@ -159,6 +160,15 @@ struct qed_eth_cb_ops {
void (*force_mac) (void *dev, u8 *mac, bool forced); 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 #ifdef CONFIG_DCB
/* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration /* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
* of dcbnl_rtnl_ops structure. * of dcbnl_rtnl_ops structure.
...@@ -218,6 +228,17 @@ struct qed_eth_dcbnl_ops { ...@@ -218,6 +228,17 @@ struct qed_eth_dcbnl_ops {
}; };
#endif #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 { struct qed_eth_ops {
const struct qed_common_ops *common; const struct qed_common_ops *common;
#ifdef CONFIG_QED_SRIOV #ifdef CONFIG_QED_SRIOV
...@@ -226,6 +247,7 @@ struct qed_eth_ops { ...@@ -226,6 +247,7 @@ struct qed_eth_ops {
#ifdef CONFIG_DCB #ifdef CONFIG_DCB
const struct qed_eth_dcbnl_ops *dcb; const struct qed_eth_dcbnl_ops *dcb;
#endif #endif
const struct qed_eth_ptp_ops *ptp;
int (*fill_dev_info)(struct qed_dev *cdev, int (*fill_dev_info)(struct qed_dev *cdev,
struct qed_dev_eth_info *info); struct qed_dev_eth_info *info);
......
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