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

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

drivers/net/ethernet/qlogic/qed/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -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

drivers/net/ethernet/qlogic/qed/qed.h

+2 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/ethernet/qlogic/qed/qed_l2.c

+5 −0
Original line number Diff line number Diff line
@@ -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 @@ extern const struct qed_iov_hv_ops qed_iov_ops_pass; 
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 const struct qed_eth_ops qed_eth_ops_pass = { 
#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,

drivers/net/ethernet/qlogic/qed/qed_l2.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/ethernet/qlogic/qed/qed_main.c

+15 −0
Original line number Diff line number Diff line
@@ -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);