cxgb4: implement ethtool dump data operations (ad75b7d3) · Commits · 戴 / test

drivers/net/ethernet/chelsio/cxgb4/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -6,7 +6,7 @@ obj-$(CONFIG_CHELSIO_T4) += cxgb4.o

		cxgb4-objs := cxgb4_main.o l2t.o t4_hw.o sge.o clip_tbl.o cxgb4_ethtool.o \
		cxgb4_uld.o sched.o cxgb4_filter.o cxgb4_tc_u32.o \
		cxgb4_ptp.o cxgb4_tc_flower.o
		cxgb4_ptp.o cxgb4_tc_flower.o cxgb4_cudbg.o
		cxgb4-$(CONFIG_CHELSIO_T4_DCB) += cxgb4_dcb.o
		cxgb4-$(CONFIG_CHELSIO_T4_FCOE) += cxgb4_fcoe.o
		cxgb4-$(CONFIG_DEBUG_FS) += cxgb4_debugfs.o

drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h

0 → 100644

+33 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 Chelsio Communications. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify it
		* under the terms and conditions of the GNU General Public License,
		* version 2, as published by the Free Software Foundation.
		*
		* This program is distributed in the hope it will be useful, but WITHOUT
		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
		* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
		* more details.
		*
		* The full GNU General Public License is included in this distribution in
		* the file called "COPYING".
		*
		*/

		#ifndef __CUDBG_IF_H__
		#define __CUDBG_IF_H__

		#define CUDBG_MAJOR_VERSION 1
		#define CUDBG_MINOR_VERSION 14

		enum cudbg_dbg_entity_type {
		CUDBG_MAX_ENTITY = 70,
		};

		struct cudbg_init {
		struct adapter adap; / Pointer to adapter structure */
		void outbuf; / Output buffer */
		u32 outbuf_size; /* Output buffer size */
		};
		#endif /* __CUDBG_IF_H__ */

drivers/net/ethernet/chelsio/cxgb4/cudbg_lib_common.h

0 → 100644

+65 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 Chelsio Communications. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify it
		* under the terms and conditions of the GNU General Public License,
		* version 2, as published by the Free Software Foundation.
		*
		* This program is distributed in the hope it will be useful, but WITHOUT
		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
		* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
		* more details.
		*
		* The full GNU General Public License is included in this distribution in
		* the file called "COPYING".
		*
		*/

		#ifndef __CUDBG_LIB_COMMON_H__
		#define __CUDBG_LIB_COMMON_H__

		#define CUDBG_SIGNATURE 67856866 /* CUDB in ascii */

		enum cudbg_dump_type {
		CUDBG_DUMP_TYPE_MINI = 1,
		};

		enum cudbg_compression_type {
		CUDBG_COMPRESSION_NONE = 1,
		};

		struct cudbg_hdr {
		u32 signature;
		u32 hdr_len;
		u16 major_ver;
		u16 minor_ver;
		u32 data_len;
		u32 hdr_flags;
		u16 max_entities;
		u8 chip_ver;
		u8 dump_type:3;
		u8 reserved1:1;
		u8 compress_type:4;
		u32 reserved[8];
		};

		struct cudbg_entity_hdr {
		u32 entity_type;
		u32 start_offset;
		u32 size;
		int hdr_flags;
		u32 sys_warn;
		u32 sys_err;
		u8 num_pad;
		u8 flag; /* bit 0 is used to indicate ext data */
		u8 reserved1[2];
		u32 next_ext_offset; /* pointer to next extended entity meta data */
		u32 reserved[5];
		};

		struct cudbg_buffer {
		u32 size;
		u32 offset;
		char *data;
		};
		#endif /* __CUDBG_LIB_COMMON_H__ */

drivers/net/ethernet/chelsio/cxgb4/cxgb4.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -909,6 +909,9 @@ struct adapter {
		/* TC flower offload */
		DECLARE_HASHTABLE(flower_anymatch_tbl, 9);
		struct timer_list flower_stats_timer;

		/* Ethtool Dump */
		struct ethtool_dump eth_dump;
		};

		/* Support for "sched-class" command to allow a TX Scheduling Class to be

drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c

0 → 100644

+73 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 Chelsio Communications. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify it
		* under the terms and conditions of the GNU General Public License,
		* version 2, as published by the Free Software Foundation.
		*
		* This program is distributed in the hope it will be useful, but WITHOUT
		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
		* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
		* more details.
		*
		* The full GNU General Public License is included in this distribution in
		* the file called "COPYING".
		*
		*/

		#include "cxgb4.h"
		#include "cxgb4_cudbg.h"

		u32 cxgb4_get_dump_length(struct adapter *adap, u32 flag)
		{
		return 0;
		}

		int cxgb4_cudbg_collect(struct adapter adap, void buf, u32 *buf_size,
		u32 flag)
		{
		struct cudbg_init cudbg_init = { 0 };
		struct cudbg_buffer dbg_buff = { 0 };
		u32 size, min_size, total_size = 0;
		struct cudbg_hdr *cudbg_hdr;

		size = *buf_size;

		cudbg_init.adap = adap;
		cudbg_init.outbuf = buf;
		cudbg_init.outbuf_size = size;

		dbg_buff.data = buf;
		dbg_buff.size = size;
		dbg_buff.offset = 0;

		cudbg_hdr = (struct cudbg_hdr *)buf;
		cudbg_hdr->signature = CUDBG_SIGNATURE;
		cudbg_hdr->hdr_len = sizeof(struct cudbg_hdr);
		cudbg_hdr->major_ver = CUDBG_MAJOR_VERSION;
		cudbg_hdr->minor_ver = CUDBG_MINOR_VERSION;
		cudbg_hdr->max_entities = CUDBG_MAX_ENTITY;
		cudbg_hdr->chip_ver = adap->params.chip;
		cudbg_hdr->dump_type = CUDBG_DUMP_TYPE_MINI;
		cudbg_hdr->compress_type = CUDBG_COMPRESSION_NONE;

		min_size = sizeof(struct cudbg_hdr) +
		sizeof(struct cudbg_entity_hdr) *
		cudbg_hdr->max_entities;
		if (size < min_size)
		return -ENOMEM;

		dbg_buff.offset += min_size;
		total_size = dbg_buff.offset;

		cudbg_hdr->data_len = total_size;
		*buf_size = total_size;
		return 0;
		}

		void cxgb4_init_ethtool_dump(struct adapter *adapter)
		{
		adapter->eth_dump.flag = CXGB4_ETH_DUMP_NONE;
		adapter->eth_dump.version = adapter->params.fw_vers;
		adapter->eth_dump.len = 0;
		}

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