From 9999e48639b3cecb08ffb37358bcba3b48161b29 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Fri, 10 May 2024 08:50:17 +0000 Subject: [PATCH] add ax88772_rst --- kernel/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c | 92 +++++++++++----------------------------------- 1 files changed, 22 insertions(+), 70 deletions(-) diff --git a/kernel/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c b/kernel/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c index bb8ed46..a614df0 100644 --- a/kernel/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c +++ b/kernel/drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c @@ -1,35 +1,5 @@ -/* - * Copyright (C) 2017 Netronome Systems, Inc. - * - * This software is dual licensed under the GNU General License Version 2, - * June 1991 as shown in the file COPYING in the top-level directory of this - * source tree or the BSD 2-Clause License provided below. You have the - * option to license this software under the complete terms of either license. - * - * The BSD 2-Clause License: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * 1. Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * 2. 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. - */ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* Copyright (C) 2017-2018 Netronome Systems, Inc. */ #include <linux/ethtool.h> #include <linux/vmalloc.h> @@ -66,7 +36,7 @@ struct nfp_dump_tl { __be32 type; __be32 length; /* chunk length to follow, aligned to 8 bytes */ - char data[0]; + char data[]; }; /* NFP CPP parameters */ @@ -92,7 +62,7 @@ struct nfp_dumpspec_rtsym { struct nfp_dump_tl tl; - char rtsym[0]; + char rtsym[]; }; /* header for register dumpable */ @@ -109,7 +79,7 @@ struct nfp_dump_common_cpp cpp; __be32 error; /* error code encountered while reading */ u8 padded_name_length; /* pad so data starts at 8 byte boundary */ - char rtsym[0]; + char rtsym[]; /* after padded_name_length, there is dump_length data */ }; @@ -122,7 +92,7 @@ struct nfp_dump_tl tl; __be32 error; char padding[4]; - char spec[0]; + char spec[]; }; /* to track state through debug size calculation TLV traversal */ @@ -188,25 +158,21 @@ const struct nfp_rtsym *specsym; struct nfp_dumpspec *dumpspec; int bytes_read; - u32 cpp_id; + u64 sym_size; specsym = nfp_rtsym_lookup(rtbl, NFP_DUMP_SPEC_RTSYM); if (!specsym) return NULL; + sym_size = nfp_rtsym_size(specsym); /* expected size of this buffer is in the order of tens of kilobytes */ - dumpspec = vmalloc(sizeof(*dumpspec) + specsym->size); + dumpspec = vmalloc(sizeof(*dumpspec) + sym_size); if (!dumpspec) return NULL; + dumpspec->size = sym_size; - dumpspec->size = specsym->size; - - cpp_id = NFP_CPP_ISLAND_ID(specsym->target, NFP_CPP_ACTION_RW, 0, - specsym->domain); - - bytes_read = nfp_cpp_read(cpp, cpp_id, specsym->addr, dumpspec->data, - specsym->size); - if (bytes_read != specsym->size) { + bytes_read = nfp_rtsym_read(cpp, specsym, 0, dumpspec->data, sym_size); + if (bytes_read != sym_size) { vfree(dumpspec); nfp_warn(cpp, "Debug dump specification read failed.\n"); return NULL; @@ -266,7 +232,6 @@ struct nfp_dumpspec_rtsym *spec_rtsym; const struct nfp_rtsym *sym; u32 tl_len, key_len; - u32 size; spec_rtsym = (struct nfp_dumpspec_rtsym *)spec; tl_len = be32_to_cpu(spec->length); @@ -278,13 +243,8 @@ if (!sym) return nfp_dump_error_tlv_size(spec); - if (sym->type == NFP_RTSYM_TYPE_ABS) - size = sizeof(sym->addr); - else - size = sym->size; - return ALIGN8(offsetof(struct nfp_dump_rtsym, rtsym) + key_len + 1) + - ALIGN8(size); + ALIGN8(nfp_rtsym_size(sym)); } static int @@ -644,7 +604,6 @@ const struct nfp_rtsym *sym; u32 tl_len, key_len; int bytes_read; - u32 cpp_id; void *dest; int err; @@ -657,11 +616,7 @@ if (!sym) return nfp_dump_error_tlv(&spec->tl, -ENOENT, dump); - if (sym->type == NFP_RTSYM_TYPE_ABS) - sym_size = sizeof(sym->addr); - else - sym_size = sym->size; - + sym_size = nfp_rtsym_size(sym); header_size = ALIGN8(offsetof(struct nfp_dump_rtsym, rtsym) + key_len + 1); total_size = header_size + ALIGN8(sym_size); @@ -676,23 +631,20 @@ memcpy(dump_header->rtsym, spec->rtsym, key_len + 1); dump_header->cpp.dump_length = cpu_to_be32(sym_size); - if (sym->type == NFP_RTSYM_TYPE_ABS) { - *(u64 *)dest = sym->addr; - } else { + if (sym->type != NFP_RTSYM_TYPE_ABS) { cpp_params.target = sym->target; cpp_params.action = NFP_CPP_ACTION_RW; cpp_params.token = 0; cpp_params.island = sym->domain; - cpp_id = nfp_get_numeric_cpp_id(&cpp_params); dump_header->cpp.cpp_id = cpp_params; dump_header->cpp.offset = cpu_to_be32(sym->addr); - bytes_read = nfp_cpp_read(pf->cpp, cpp_id, sym->addr, dest, - sym_size); - if (bytes_read != sym_size) { - if (bytes_read >= 0) - bytes_read = -EIO; - dump_header->error = cpu_to_be32(bytes_read); - } + } + + bytes_read = nfp_rtsym_read(pf->cpp, sym, 0, dest, sym_size); + if (bytes_read != sym_size) { + if (bytes_read >= 0) + bytes_read = -EIO; + dump_header->error = cpu_to_be32(bytes_read); } return 0; -- Gitblit v1.6.2