Commit 0cc3a801 authored by Manish Chopra's avatar Manish Chopra Committed by Jakub Kicinski
Browse files

qed*: enhance tx timeout debug info 



This patch add some new qed APIs to query status block
info and report various data to MFW on tx timeout event

Along with that it enhances qede to dump more debug logs
(not just specific to the queue which was reported by stack)
on tx timeout which includes various other basic metadata about
all tx queues and other info (like status block etc.)

Signed-off-by: default avatarManish Chopra <manishc@marvell.com>
Signed-off-by: default avatarPrabhakar Kushwaha <pkushwaha@marvell.com>
Signed-off-by: default avatarAlok Prasad <palok@marvell.com>
Signed-off-by: default avatarAriel Elior <aelior@marvell.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent bb14bfc7

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

+22 −0
Original line number Diff line number Diff line
@@ -2399,3 +2399,25 @@ int qed_int_set_timer_res(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 


	return rc;

}



int qed_int_get_sb_dbg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,

		       struct qed_sb_info *p_sb, struct qed_sb_info_dbg *p_info)

{

	u16 sbid = p_sb->igu_sb_id;

	u32 i;



	if (IS_VF(p_hwfn->cdev))

		return -EINVAL;



	if (sbid >= NUM_OF_SBS(p_hwfn->cdev))

		return -EINVAL;



	p_info->igu_prod = qed_rd(p_hwfn, p_ptt, IGU_REG_PRODUCER_MEMORY + sbid * 4);

	p_info->igu_cons = qed_rd(p_hwfn, p_ptt, IGU_REG_CONSUMER_MEM + sbid * 4);



	for (i = 0; i < PIS_PER_SB; i++)

		p_info->pi[i] = (u16)qed_rd(p_hwfn, p_ptt,

					    CAU_REG_PI_MEMORY + sbid * 4 * PIS_PER_SB + i * 4);



	return 0;

}

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

+13 −0
Original line number Diff line number Diff line
@@ -185,6 +185,19 @@ void qed_int_disable_post_isr_release(struct qed_dev *cdev); 
 */

void qed_int_attn_clr_enable(struct qed_dev *cdev, bool clr_enable);



/**

 * qed_int_get_sb_dbg: Read debug information regarding a given SB

 *

 * @p_hwfn: hw function pointer

 * @p_ptt: ptt resource

 * @p_sb: pointer to status block for which we want to get info

 * @p_info: pointer to struct to fill with information regarding SB

 *

 * Return: 0 with status block info filled on success, otherwise return error

 */

int qed_int_get_sb_dbg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,

		       struct qed_sb_info *p_sb, struct qed_sb_info_dbg *p_info);



/**

 * qed_db_rec_handler(): Doorbell Recovery handler.

 *          Run doorbell recovery in case of PF overflow (and flush DORQ if

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

+47 −0
Original line number Diff line number Diff line
@@ -2936,6 +2936,30 @@ static int qed_update_mtu(struct qed_dev *cdev, u16 mtu) 
	return status;

}



static int

qed_get_sb_info(struct qed_dev *cdev, struct qed_sb_info *sb,

		u16 qid, struct qed_sb_info_dbg *sb_dbg)

{

	struct qed_hwfn *hwfn = &cdev->hwfns[qid % cdev->num_hwfns];

	struct qed_ptt *ptt;

	int rc;



	if (IS_VF(cdev))

		return -EINVAL;



	ptt = qed_ptt_acquire(hwfn);

	if (!ptt) {

		DP_NOTICE(hwfn, "Can't acquire PTT\n");

		return -EAGAIN;

	}



	memset(sb_dbg, 0, sizeof(*sb_dbg));

	rc = qed_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);



	qed_ptt_release(hwfn, ptt);

	return rc;

}



static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,

				  u8 dev_addr, u32 offset, u32 len)

{
@@ -2978,6 +3002,27 @@ static int qed_set_grc_config(struct qed_dev *cdev, u32 cfg_id, u32 val) 
	return rc;

}



static __printf(2, 3) void qed_mfw_report(struct qed_dev *cdev, char *fmt, ...)

{

	char buf[QED_MFW_REPORT_STR_SIZE];

	struct qed_hwfn *p_hwfn;

	struct qed_ptt *p_ptt;

	va_list vl;



	va_start(vl, fmt);

	vsnprintf(buf, QED_MFW_REPORT_STR_SIZE, fmt, vl);

	va_end(vl);



	if (IS_PF(cdev)) {

		p_hwfn = QED_LEADING_HWFN(cdev);

		p_ptt = qed_ptt_acquire(p_hwfn);

		if (p_ptt) {

			qed_mcp_send_raw_debug_data(p_hwfn, p_ptt, buf, strlen(buf));

			qed_ptt_release(p_hwfn, p_ptt);

		}

	}

}



static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)

{

	return QED_AFFIN_HWFN_IDX(cdev);
@@ -3038,6 +3083,8 @@ const struct qed_common_ops qed_common_ops_pass = { 
	.read_nvm_cfg = &qed_nvm_flash_cfg_read,

	.read_nvm_cfg_len = &qed_nvm_flash_cfg_len,

	.set_grc_config = &qed_set_grc_config,

	.mfw_report = &qed_mfw_report,

	.get_sb_info = &qed_get_sb_info,

};



void qed_get_protocol_stats(struct qed_dev *cdev,

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

+2 −0
Original line number Diff line number Diff line
@@ -15,6 +15,8 @@ 
#include "qed_hsi.h"

#include "qed_dev_api.h"



#define QED_MFW_REPORT_STR_SIZE	256



struct qed_mcp_link_speed_params {

	bool					autoneg;

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

+2 −0
Original line number Diff line number Diff line
@@ -550,6 +550,8 @@ 
		0x1 << 1)

#define  IGU_REG_BLOCK_CONFIGURATION_PXP_TPH_INTERFACE_EN	( \

		0x1 << 0)

#define IGU_REG_PRODUCER_MEMORY 0x182000UL

#define IGU_REG_CONSUMER_MEM 0x183000UL

#define  IGU_REG_MAPPING_MEMORY \

	0x184000UL

#define IGU_REG_STATISTIC_NUM_VF_MSG_SENT \