domenico/openwrt-R7800-nss
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

kernel: copy kernel 4.19 code to 5.4

Browse Source 
No changes were done to the patches while coping them. Currently they do
not apply on top of kernel 5.4.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens
2020-02-23 13:20:11 +01:00
committed by Koen Vandeputte
parent 955634b473
commit c16517d26d
228 changed files with 38475 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

206
target/linux/generic/hack-5.4/204-module_strip.patch Normal file
View File

@@ -0,0 +1,206 @@
From a779a482fb9b9f8fcdf8b2519c789b4b9bb5dd05 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 16:56:48 +0200
Subject: build: add a hack for removing non-essential module info
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/linux/module.h | 13 ++++++++-----
include/linux/moduleparam.h | 15 ++++++++++++---
init/Kconfig | 7 +++++++
kernel/module.c | 5 ++++-
scripts/mod/modpost.c | 12 ++++++++++++
5 files changed, 43 insertions(+), 9 deletions(-)
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -160,6 +160,7 @@ extern void cleanup_module(void);
/* Generic info of form tag = "info" */
#define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info)
+#define MODULE_INFO_STRIP(tag, info) __MODULE_INFO_STRIP(tag, tag, info)
/* For userspace: you can also call me... */
#define MODULE_ALIAS(_alias) MODULE_INFO(alias, _alias)
@@ -203,12 +204,12 @@ extern void cleanup_module(void);
* Author(s), use "Name <email>" or just "Name", for multiple
* authors use multiple MODULE_AUTHOR() statements/lines.
*/
-#define MODULE_AUTHOR(_author) MODULE_INFO(author, _author)
+#define MODULE_AUTHOR(_author) MODULE_INFO_STRIP(author, _author)
/* What your module does. */
-#define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
+#define MODULE_DESCRIPTION(_description) MODULE_INFO_STRIP(description, _description)
-#ifdef MODULE
+#if defined(MODULE) && !defined(CONFIG_MODULE_STRIPPED)
/* Creates an alias so file2alias.c can find device table. */
#define MODULE_DEVICE_TABLE(type, name) \
extern typeof(name) __mod_##type##__##name##_device_table \
@@ -235,7 +236,9 @@ extern typeof(name) __mod_##type##__##na
*/
#if defined(MODULE) || !defined(CONFIG_SYSFS)
-#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
+#define MODULE_VERSION(_version) MODULE_INFO_STRIP(version, _version)
+#elif defined(CONFIG_MODULE_STRIPPED)
+#define MODULE_VERSION(_version) __MODULE_INFO_DISABLED(version)
#else
#define MODULE_VERSION(_version) \
static struct module_version_attribute ___modver_attr = { \
@@ -257,7 +260,7 @@ extern typeof(name) __mod_##type##__##na
/* Optional firmware file (or files) needed by the module
* format is simply firmware file name. Multiple firmware
* files require multiple MODULE_FIRMWARE() specifiers */
-#define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware)
+#define MODULE_FIRMWARE(_firmware) MODULE_INFO_STRIP(firmware, _firmware)
struct notifier_block;
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -17,6 +17,16 @@
/* Chosen so that structs with an unsigned long line up. */
#define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long))
+/* This struct is here for syntactic coherency, it is not used */
+#define __MODULE_INFO_DISABLED(name) \
+ struct __UNIQUE_ID(name) {}
+
+#ifdef CONFIG_MODULE_STRIPPED
+#define __MODULE_INFO_STRIP(tag, name, info) __MODULE_INFO_DISABLED(name)
+#else
+#define __MODULE_INFO_STRIP(tag, name, info) __MODULE_INFO(tag, name, info)
+#endif
+
#ifdef MODULE
#define __MODULE_INFO(tag, name, info) \
static const char __UNIQUE_ID(name)[] \
@@ -24,8 +34,7 @@ static const char __UNIQUE_ID(name)[]
= __stringify(tag) "=" info
#else /* !MODULE */
/* This struct is here for syntactic coherency, it is not used */
-#define __MODULE_INFO(tag, name, info) \
- struct __UNIQUE_ID(name) {}
+#define __MODULE_INFO(tag, name, info) __MODULE_INFO_DISABLED(name)
#endif
#define __MODULE_PARM_TYPE(name, _type) \
__MODULE_INFO(parmtype, name##type, #name ":" _type)
@@ -33,7 +42,7 @@ static const char __UNIQUE_ID(name)[]
/* One for each parameter, describing how to use it. Some files do
multiple of these per line, so can't just use MODULE_INFO. */
#define MODULE_PARM_DESC(_parm, desc) \
- __MODULE_INFO(parm, _parm, #_parm ":" desc)
+ __MODULE_INFO_STRIP(parm, _parm, #_parm ":" desc)
struct kernel_param;
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1997,6 +1997,13 @@ config TRIM_UNUSED_KSYMS
If unsure, or if you need to build out-of-tree modules, say N.
+config MODULE_STRIPPED
+ bool "Reduce module size"
+ depends on MODULES
+ help
+ Remove module parameter descriptions, author info, version, aliases,
+ device tables, etc.
+
endif # MODULES
config MODULES_TREE_LOOKUP
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3029,9 +3029,11 @@ static int setup_load_info(struct load_i
static int check_modinfo(struct module *mod, struct load_info *info, int flags)
{
- const char *modmagic = get_modinfo(info, "vermagic");
int err;
+#ifndef CONFIG_MODULE_STRIPPED
+ const char *modmagic = get_modinfo(info, "vermagic");
+
if (flags & MODULE_INIT_IGNORE_VERMAGIC)
modmagic = NULL;
@@ -3052,6 +3054,7 @@ static int check_modinfo(struct module *
mod->name);
add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK);
}
+#endif
check_modinfo_retpoline(mod, info);
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1983,7 +1983,9 @@ static void read_symbols(const char *mod
symname = remove_dot(info.strtab + sym->st_name);
handle_modversions(mod, &info, sym, symname);
+#ifndef CONFIG_MODULE_STRIPPED
handle_moddevtable(mod, &info, sym, symname);
+#endif
}
if (!is_vmlinux(modname) || vmlinux_section_warnings)
check_sec_ref(mod, modname, &info);
@@ -2146,8 +2148,10 @@ static void add_header(struct buffer *b,
buf_printf(b, "\n");
buf_printf(b, "BUILD_SALT;\n");
buf_printf(b, "\n");
+#ifndef CONFIG_MODULE_STRIPPED
buf_printf(b, "MODULE_INFO(vermagic, VERMAGIC_STRING);\n");
buf_printf(b, "MODULE_INFO(name, KBUILD_MODNAME);\n");
+#endif
buf_printf(b, "\n");
buf_printf(b, "__visible struct module __this_module\n");
buf_printf(b, "__attribute__((section(\".gnu.linkonce.this_module\"))) = {\n");
@@ -2164,8 +2168,10 @@ static void add_header(struct buffer *b,
static void add_intree_flag(struct buffer *b, int is_intree)
{
+#ifndef CONFIG_MODULE_STRIPPED
if (is_intree)
buf_printf(b, "\nMODULE_INFO(intree, \"Y\");\n");
+#endif
}
/* Cannot check for assembler */
@@ -2178,8 +2184,10 @@ static void add_retpoline(struct buffer
static void add_staging_flag(struct buffer *b, const char *name)
{
+#ifndef CONFIG_MODULE_STRIPPED
if (strstarts(name, "drivers/staging"))
buf_printf(b, "\nMODULE_INFO(staging, \"Y\");\n");
+#endif
}
/**
@@ -2278,11 +2286,13 @@ static void add_depends(struct buffer *b
static void add_srcversion(struct buffer *b, struct module *mod)
{
+#ifndef CONFIG_MODULE_STRIPPED
if (mod->srcversion[0]) {
buf_printf(b, "\n");
buf_printf(b, "MODULE_INFO(srcversion, \"%s\");\n",
mod->srcversion);
}
+#endif
}
static void write_if_changed(struct buffer *b, const char *fname)
@@ -2519,7 +2529,9 @@ int main(int argc, char **argv)
add_staging_flag(&buf, mod->name);
err |= add_versions(&buf, mod);
add_depends(&buf, mod, modules);
+#ifndef CONFIG_MODULE_STRIPPED
add_moddevtable(&buf, mod);
+#endif
add_srcversion(&buf, mod);
sprintf(fname, "%s.mod.c", mod->name);

44
target/linux/generic/hack-5.4/207-disable-modorder.patch Normal file
View File

@@ -0,0 +1,44 @@
From c9ef4ab0f54356ee9f91d9676ea0ec123840ddc7 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 16:57:33 +0200
Subject: kernel: do not build modules.order
It is not needed for anything on the system and skipping this saves some
build time, especially in cases where there is nothing to do.
lede-commit: afc1675833a7bf5df094f59f7250369520646d04
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
Makefile | 2 --
scripts/Makefile.build | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)
--- a/Makefile
+++ b/Makefile
@@ -1232,7 +1232,6 @@ all: modules
PHONY += modules
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
- $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
@$(kecho) ' Building modules, stage 2.';
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
@@ -1261,7 +1260,6 @@ _modinst_:
rm -f $(MODLIB)/build ; \
ln -s $(CURDIR) $(MODLIB)/build ; \
fi
- @cp -f $(objtree)/modules.order $(MODLIB)/
@cp -f $(objtree)/modules.builtin $(MODLIB)/
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -78,7 +78,7 @@ modorder-target := $(obj)/modules.order
# We keep a list of all modules in $(MODVERDIR)
__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
- $(if $(KBUILD_MODULES),$(obj-m) $(modorder-target)) \
+ $(if $(KBUILD_MODULES),$(obj-m)) \
$(subdir-ym) $(always)
@:

3053
target/linux/generic/hack-5.4/210-darwin_scripts_include.patch Normal file
View File

File diff suppressed because it is too large Load Diff

65
target/linux/generic/hack-5.4/212-byteshift_portability.patch Normal file
View File

@@ -0,0 +1,65 @@
From 48232d3d931c95953ce2ddfe7da7bb164aef6a73 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:03:16 +0200
Subject: linux-3.6: fix portability of some includes files in tools/ used on the host
lede-commit: 6040b1d29ab1f047c5e49b748abcb6a3196add28
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
tools/include/tools/be_byteshift.h | 4 ++++
tools/include/tools/le_byteshift.h | 4 ++++
tools/include/tools/linux_types.h | 22 ++++++++++++++++++++++
3 files changed, 30 insertions(+)
create mode 100644 tools/include/tools/linux_types.h
--- a/tools/include/tools/be_byteshift.h
+++ b/tools/include/tools/be_byteshift.h
@@ -2,6 +2,10 @@
#ifndef _TOOLS_BE_BYTESHIFT_H
#define _TOOLS_BE_BYTESHIFT_H
+#ifndef __linux__
+#include "linux_types.h"
+#endif
+
#include <stdint.h>
static inline uint16_t __get_unaligned_be16(const uint8_t *p)
--- a/tools/include/tools/le_byteshift.h
+++ b/tools/include/tools/le_byteshift.h
@@ -2,6 +2,10 @@
#ifndef _TOOLS_LE_BYTESHIFT_H
#define _TOOLS_LE_BYTESHIFT_H
+#ifndef __linux__
+#include "linux_types.h"
+#endif
+
#include <stdint.h>
static inline uint16_t __get_unaligned_le16(const uint8_t *p)
--- /dev/null
+++ b/tools/include/tools/linux_types.h
@@ -0,0 +1,22 @@
+#ifndef __LINUX_TYPES_H
+#define __LINUX_TYPES_H
+
+#include <stdint.h>
+
+typedef uint8_t __u8;
+typedef uint8_t __be8;
+typedef uint8_t __le8;
+
+typedef uint16_t __u16;
+typedef uint16_t __be16;
+typedef uint16_t __le16;
+
+typedef uint32_t __u32;
+typedef uint32_t __be32;
+typedef uint32_t __le32;
+
+typedef uint64_t __u64;
+typedef uint64_t __be64;
+typedef uint64_t __le64;
+
+#endif

24
target/linux/generic/hack-5.4/214-spidev_h_portability.patch Normal file
View File

@@ -0,0 +1,24 @@
From be9be95ff10e16a5b4ad36f903978d0cc5747024 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:04:08 +0200
Subject: kernel: fix linux/spi/spidev.h portability issues with musl
Felix will try to get this define included into musl
lede-commit: 795e7cf60de19e7a076a46874fab7bb88b43bbff
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/uapi/linux/spi/spidev.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/uapi/linux/spi/spidev.h
+++ b/include/uapi/linux/spi/spidev.h
@@ -113,7 +113,7 @@ struct spi_ioc_transfer {
/* not all platforms use <asm-generic/ioctl.h> or _IOC_TYPECHECK() ... */
#define SPI_MSGSIZE(N) \
- ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) \
+ ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << 13)) \
? ((N)*(sizeof (struct spi_ioc_transfer))) : 0)
#define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)])

192
target/linux/generic/hack-5.4/220-gc_sections.patch Normal file
View File

@@ -0,0 +1,192 @@
From e3d8676f5722b7622685581e06e8f53e6138e3ab Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 15 Jul 2017 23:42:36 +0200
Subject: use -ffunction-sections, -fdata-sections and --gc-sections
In combination with kernel symbol export stripping this significantly reduces
the kernel image size. Used on both ARM and MIPS architectures.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
Makefile | 10 +++----
arch/arm/Kconfig | 1 +
arch/arm/boot/compressed/Makefile | 1 +
arch/arm/kernel/vmlinux.lds.S | 26 ++++++++--------
arch/mips/Kconfig | 1 +
arch/mips/kernel/vmlinux.lds.S | 4 +--
include/asm-generic/vmlinux.lds.h | 63 ++++++++++++++++++++-------------------
7 files changed, 55 insertions(+), 51 deletions(-)
--- a/Makefile
+++ b/Makefile
@@ -294,6 +294,11 @@ else
scripts/Kbuild.include: ;
include scripts/Kbuild.include
+ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
+KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections
+LDFLAGS_vmlinux += --gc-sections
+endif
+
# Read KERNELRELEASE from include/config/kernel.release (if it exists)
KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
@@ -782,11 +787,6 @@ ifdef CONFIG_DEBUG_SECTION_MISMATCH
KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once)
endif
-ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
-KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections
-LDFLAGS_vmlinux += --gc-sections
-endif
-
# arch Makefile may override CC so keep this after arch Makefile is included
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -98,6 +98,7 @@ config ARM
select HAVE_UID16
select HAVE_VIRT_CPU_ACCOUNTING_GEN
select IRQ_FORCED_THREADING
+ select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
select MODULES_USE_ELF_REL
select NEED_DMA_MAP_STATE
select NO_BOOTMEM
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -106,6 +106,7 @@ ifeq ($(CONFIG_FUNCTION_TRACER),y)
ORIG_CFLAGS := $(KBUILD_CFLAGS)
KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
+KBUILD_CFLAGS_KERNEL := $(patsubst -f%-sections,,$(KBUILD_CFLAGS_KERNEL))
# -fstack-protector-strong triggers protection checks in this code,
# but it is being used too early to link to meaningful stack_chk logic.
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -100,24 +100,24 @@ SECTIONS
}
.init.arch.info : {
__arch_info_begin = .;
- *(.arch.info.init)
+ KEEP(*(.arch.info.init))
__arch_info_end = .;
}
.init.tagtable : {
__tagtable_begin = .;
- *(.taglist.init)
+ KEEP(*(.taglist.init))
__tagtable_end = .;
}
#ifdef CONFIG_SMP_ON_UP
.init.smpalt : {
__smpalt_begin = .;
- *(.alt.smp.init)
+ KEEP(*(.alt.smp.init))
__smpalt_end = .;
}
#endif
.init.pv_table : {
__pv_table_begin = .;
- *(.pv_table)
+ KEEP(*(.pv_table))
__pv_table_end = .;
}
--- a/arch/arm/kernel/vmlinux.lds.h
+++ b/arch/arm/kernel/vmlinux.lds.h
@@ -22,13 +22,13 @@
#define ARM_MMU_DISCARD(x)
#else
#define ARM_MMU_KEEP(x)
-#define ARM_MMU_DISCARD(x) x
+#define ARM_MMU_DISCARD(x) KEEP(x)
#endif
#define PROC_INFO \
. = ALIGN(4); \
__proc_info_begin = .; \
- *(.proc.info.init) \
+ KEEP(*(.proc.info.init)) \
__proc_info_end = .;
#define HYPERVISOR_TEXT \
@@ -39,11 +39,11 @@
#define IDMAP_TEXT \
ALIGN_FUNCTION(); \
__idmap_text_start = .; \
- *(.idmap.text) \
+ KEEP(*(.idmap.text)) \
__idmap_text_end = .; \
. = ALIGN(PAGE_SIZE); \
__hyp_idmap_text_start = .; \
- *(.hyp.idmap.text) \
+ KEEP(*(.hyp.idmap.text)) \
__hyp_idmap_text_end = .;
#define ARM_DISCARD \
@@ -86,12 +86,12 @@
. = ALIGN(8); \
.ARM.unwind_idx : { \
__start_unwind_idx = .; \
- *(.ARM.exidx*) \
+ KEEP(*(.ARM.exidx*)) \
__stop_unwind_idx = .; \
} \
.ARM.unwind_tab : { \
__start_unwind_tab = .; \
- *(.ARM.extab*) \
+ KEEP(*(.ARM.extab*)) \
__stop_unwind_tab = .; \
}
@@ -102,14 +102,14 @@
#define ARM_VECTORS \
__vectors_start = .; \
.vectors 0xffff0000 : AT(__vectors_start) { \
- *(.vectors) \
+ KEEP(*(.vectors)) \
} \
. = __vectors_start + SIZEOF(.vectors); \
__vectors_end = .; \
\
__stubs_start = .; \
.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) { \
- *(.stubs) \
+ KEEP(*(.stubs)) \
} \
. = __stubs_start + SIZEOF(.stubs); \
__stubs_end = .; \
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -43,6 +43,7 @@ config MIPS
select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
+ select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
select HAVE_CONTEXT_TRACKING
select HAVE_COPY_THREAD_TLS
select HAVE_C_RECORDMCOUNT
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -72,7 +72,7 @@ SECTIONS
/* Exception table for data bus errors */
__dbe_table : {
__start___dbe_table = .;
- *(__dbe_table)
+ KEEP(*(__dbe_table))
__stop___dbe_table = .;
}
@@ -123,7 +123,7 @@ SECTIONS
. = ALIGN(4);
.mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
__mips_machines_start = .;
- *(.mips.machines.init)
+ KEEP(*(.mips.machines.init))
__mips_machines_end = .;
}

101
target/linux/generic/hack-5.4/221-module_exports.patch Normal file
View File

@@ -0,0 +1,101 @@
From b14784e7883390c20ed3ff904892255404a5914b Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:05:53 +0200
Subject: add an optional config option for stripping all unnecessary symbol exports from the kernel image
lede-commit: bb5a40c64b7c4f4848509fa0a6625055fc9e66cc
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/asm-generic/vmlinux.lds.h | 18 +++++++++++++++---
include/linux/export.h | 9 ++++++++-
scripts/Makefile.build | 2 +-
3 files changed, 24 insertions(+), 5 deletions(-)
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -54,6 +54,16 @@
#define LOAD_OFFSET 0
#endif
+#ifndef SYMTAB_KEEP
+#define SYMTAB_KEEP KEEP(*(SORT(___ksymtab+*)))
+#define SYMTAB_KEEP_GPL KEEP(*(SORT(___ksymtab_gpl+*)))
+#endif
+
+#ifndef SYMTAB_DISCARD
+#define SYMTAB_DISCARD
+#define SYMTAB_DISCARD_GPL
+#endif
+
/* Align . to a 8 byte boundary equals to maximum function alignment. */
#define ALIGN_FUNCTION() . = ALIGN(8)
@@ -372,14 +382,14 @@
/* Kernel symbol table: Normal symbols */ \
__ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
__start___ksymtab = .; \
- KEEP(*(SORT(___ksymtab+*))) \
+ SYMTAB_KEEP \
__stop___ksymtab = .; \
} \
\
/* Kernel symbol table: GPL-only symbols */ \
__ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
__start___ksymtab_gpl = .; \
- KEEP(*(SORT(___ksymtab_gpl+*))) \
+ SYMTAB_KEEP_GPL \
__stop___ksymtab_gpl = .; \
} \
\
@@ -441,7 +451,7 @@
\
/* Kernel symbol table: strings */ \
__ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
- *(__ksymtab_strings) \
+ *(__ksymtab_strings+*) \
} \
\
/* __*init sections */ \
@@ -841,6 +851,8 @@
EXIT_TEXT \
EXIT_DATA \
EXIT_CALL \
+ SYMTAB_DISCARD \
+ SYMTAB_DISCARD_GPL \
*(.discard) \
*(.discard.*) \
}
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -74,12 +74,19 @@ struct kernel_symbol {
};
#endif
+#ifdef MODULE
+#define __EXPORT_SUFFIX(sym)
+#else
+#define __EXPORT_SUFFIX(sym) "+" #sym
+#endif
+
/* For every exported symbol, place a struct in the __ksymtab section */
#define ___EXPORT_SYMBOL(sym, sec) \
extern typeof(sym) sym; \
__CRC_SYMBOL(sym, sec) \
static const char __kstrtab_##sym[] \
- __attribute__((section("__ksymtab_strings"), used, aligned(1))) \
+ __attribute__((section("__ksymtab_strings" \
+ __EXPORT_SUFFIX(sym)), used, aligned(1))) \
= #sym; \
__KSYMTAB_ENTRY(sym, sec)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -408,7 +408,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
# Linker scripts preprocessor (.lds.S -> .lds)
# ---------------------------------------------------------------------------
quiet_cmd_cpp_lds_S = LDS $@
- cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -U$(ARCH) \
+ cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -U$(ARCH) \
-D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
$(obj)/%.lds: $(src)/%.lds.S FORCE

71
target/linux/generic/hack-5.4/230-openwrt_lzma_options.patch Normal file
View File

@@ -0,0 +1,71 @@
From b3d00b452467f621317953d9e4c6f9ae8dcfd271 Mon Sep 17 00:00:00 2001
From: Imre Kaloz <kaloz@openwrt.org>
Date: Fri, 7 Jul 2017 17:06:55 +0200
Subject: use the openwrt lzma options for now
lede-commit: 548de949f392049420a6a1feeef118b30ab8ea8c
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
---
lib/decompress.c | 1 +
scripts/Makefile.lib | 2 +-
usr/gen_initramfs_list.sh | 10 +++++-----
3 files changed, 7 insertions(+), 6 deletions(-)
--- a/lib/decompress.c
+++ b/lib/decompress.c
@@ -49,6 +49,7 @@ static const struct compress_format comp
{ {0x1f, 0x9e}, "gzip", gunzip },
{ {0x42, 0x5a}, "bzip2", bunzip2 },
{ {0x5d, 0x00}, "lzma", unlzma },
+ { {0x6d, 0x00}, "lzma-openwrt", unlzma },
{ {0xfd, 0x37}, "xz", unxz },
{ {0x89, 0x4c}, "lzo", unlzo },
{ {0x02, 0x21}, "lz4", unlz4 },
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -325,7 +325,7 @@ cmd_bzip2 = (cat $(filter-out FORCE,$^)
quiet_cmd_lzma = LZMA $@
cmd_lzma = (cat $(filter-out FORCE,$^) | \
- lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
+ lzma e -d20 -lc1 -lp2 -pb2 -eos -si -so && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
(rm -f $@ ; false)
quiet_cmd_lzo = LZO $@
--- a/usr/gen_initramfs_list.sh
+++ b/usr/gen_initramfs_list.sh
@@ -229,7 +229,7 @@ cpio_list=
output="/dev/stdout"
output_file=""
is_cpio_compressed=
-compr="gzip -n -9 -f"
+compr="gzip -n -9 -f -"
arg="$1"
case "$arg" in
@@ -245,13 +245,13 @@ case "$arg" in
output=${cpio_list}
echo "$output_file" | grep -q "\.gz$" \
&& [ -x "`which gzip 2> /dev/null`" ] \
- && compr="gzip -n -9 -f"
+ && compr="gzip -n -9 -f -"
echo "$output_file" | grep -q "\.bz2$" \
&& [ -x "`which bzip2 2> /dev/null`" ] \
- && compr="bzip2 -9 -f"
+ && compr="bzip2 -9 -f -"
echo "$output_file" | grep -q "\.lzma$" \
&& [ -x "`which lzma 2> /dev/null`" ] \
- && compr="lzma -9 -f"
+ && compr="lzma e -d20 -lc1 -lp2 -pb2 -eos -si -so"
echo "$output_file" | grep -q "\.xz$" \
&& [ -x "`which xz 2> /dev/null`" ] \
&& compr="xz --check=crc32 --lzma2=dict=1MiB"
@@ -320,7 +320,7 @@ if [ ! -z ${output_file} ]; then
if [ "${is_cpio_compressed}" = "compressed" ]; then
cat ${cpio_tfile} > ${output_file}
else
- (cat ${cpio_tfile} | ${compr} - > ${output_file}) \
+ (cat ${cpio_tfile} | ${compr} > ${output_file}) \
|| (rm -f ${output_file} ; false)
fi
[ -z ${cpio_file} ] && rm ${cpio_tfile}

27
target/linux/generic/hack-5.4/250-netfilter_depends.patch Normal file
View File

@@ -0,0 +1,27 @@
From: Felix Fietkau <nbd@nbd.name>
Subject: hack: net: remove bogus netfilter dependencies
lede-commit: 589d2a377dee27d206fc3725325309cf649e4df6
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
net/netfilter/Kconfig | 2 --
1 file changed, 2 deletions(-)
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -241,7 +241,6 @@ config NF_CONNTRACK_FTP
config NF_CONNTRACK_H323
tristate "H.323 protocol support"
- depends on IPV6 || IPV6=n
depends on NETFILTER_ADVANCED
help
H.323 is a VoIP signalling protocol from ITU-T. As one of the most
@@ -1077,7 +1076,6 @@ config NETFILTER_XT_TARGET_SECMARK
config NETFILTER_XT_TARGET_TCPMSS
tristate '"TCPMSS" target support'
- depends on IPV6 || IPV6=n
default m if NETFILTER_ADVANCED=n
---help---
This option adds a `TCPMSS' target, which allows you to alter the

197
target/linux/generic/hack-5.4/251-sound_kconfig.patch Normal file
View File

@@ -0,0 +1,197 @@
From da3c50704f14132f4adf80d48e9a4cd5d46e54c9 Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Fri, 7 Jul 2017 17:09:21 +0200
Subject: kconfig: owrt specifc dependencies
Signed-off-by: John Crispin <john@phrozen.org>
---
crypto/Kconfig | 10 +++++-----
drivers/bcma/Kconfig | 1 +
drivers/ssb/Kconfig | 3 ++-
lib/Kconfig | 8 ++++----
net/netfilter/Kconfig | 2 +-
net/wireless/Kconfig | 17 ++++++++++-------
sound/core/Kconfig | 4 ++--
7 files changed, 25 insertions(+), 20 deletions(-)
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -33,7 +33,7 @@ config CRYPTO_FIPS
this is.
config CRYPTO_ALGAPI
- tristate
+ tristate "ALGAPI"
select CRYPTO_ALGAPI2
help
This option provides the API for cryptographic algorithms.
@@ -42,7 +42,7 @@ config CRYPTO_ALGAPI2
tristate
config CRYPTO_AEAD
- tristate
+ tristate "AEAD"
select CRYPTO_AEAD2
select CRYPTO_ALGAPI
@@ -53,7 +53,7 @@ config CRYPTO_AEAD2
select CRYPTO_RNG2
config CRYPTO_BLKCIPHER
- tristate
+ tristate "BLKCIPHER"
select CRYPTO_BLKCIPHER2
select CRYPTO_ALGAPI
@@ -64,7 +64,7 @@ config CRYPTO_BLKCIPHER2
select CRYPTO_WORKQUEUE
config CRYPTO_HASH
- tristate
+ tristate "HASH"
select CRYPTO_HASH2
select CRYPTO_ALGAPI
@@ -73,7 +73,7 @@ config CRYPTO_HASH2
select CRYPTO_ALGAPI2
config CRYPTO_RNG
- tristate
+ tristate "RNG"
select CRYPTO_RNG2
select CRYPTO_ALGAPI
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -16,6 +16,7 @@ if BCMA
# Support for Block-I/O. SELECT this from the driver that needs it.
config BCMA_BLOCKIO
bool
+ default y
config BCMA_HOST_PCI_POSSIBLE
bool
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -28,6 +28,7 @@ config SSB_SPROM
config SSB_BLOCKIO
bool
depends on SSB
+ default y
config SSB_PCIHOST_POSSIBLE
bool
@@ -48,7 +49,7 @@ config SSB_PCIHOST
config SSB_B43_PCI_BRIDGE
bool
depends on SSB_PCIHOST
- default n
+ default y
config SSB_PCMCIAHOST_POSSIBLE
bool
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -377,16 +377,16 @@ config BCH_CONST_T
# Textsearch support is select'ed if needed
#
config TEXTSEARCH
- bool
+ bool "Textsearch support"
config TEXTSEARCH_KMP
- tristate
+ tristate "Textsearch KMP"
config TEXTSEARCH_BM
- tristate
+ tristate "Textsearch BM"
config TEXTSEARCH_FSM
- tristate
+ tristate "Textsearch FSM"
config BTREE
bool
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -10,7 +10,7 @@ config NETFILTER_INGRESS
infrastructure.
config NETFILTER_NETLINK
- tristate
+ tristate "Netfilter NFNETLINK interface"
config NETFILTER_FAMILY_BRIDGE
bool
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -1,5 +1,5 @@
config WIRELESS_EXT
- bool
+ bool "Wireless extensions"
config WEXT_CORE
def_bool y
@@ -11,10 +11,10 @@ config WEXT_PROC
depends on WEXT_CORE
config WEXT_SPY
- bool
+ bool "WEXT_SPY"
config WEXT_PRIV
- bool
+ bool "WEXT_PRIV"
config CFG80211
tristate "cfg80211 - wireless configuration API"
@@ -202,7 +202,7 @@ config CFG80211_WEXT_EXPORT
endif # CFG80211
config LIB80211
- tristate
+ tristate "LIB80211"
default n
help
This options enables a library of common routines used
@@ -211,13 +211,16 @@ config LIB80211
Drivers should select this themselves if needed.
config LIB80211_CRYPT_WEP
- tristate
+ tristate "LIB80211_CRYPT_WEP"
+ select LIB80211
config LIB80211_CRYPT_CCMP
- tristate
+ tristate "LIB80211_CRYPT_CCMP"
+ select LIB80211
config LIB80211_CRYPT_TKIP
- tristate
+ tristate "LIB80211_CRYPT_TKIP"
+ select LIB80211
config LIB80211_DEBUG
bool "lib80211 debugging messages"
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -16,7 +16,7 @@ config SND_DMAENGINE_PCM
tristate
config SND_HWDEP
- tristate
+ tristate "Sound hardware support"
config SND_SEQ_DEVICE
tristate
@@ -26,7 +26,7 @@ config SND_RAWMIDI
select SND_SEQ_DEVICE if SND_SEQUENCER != n
config SND_COMPRESS_OFFLOAD
- tristate
+ tristate "Compression offloading support"
config SND_JACK
bool

110
target/linux/generic/hack-5.4/259-regmap_dynamic.patch Normal file
View File

@@ -0,0 +1,110 @@
From 811d9e2268a62b830cfe93cd8bc929afcb8b198b Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 15 Jul 2017 21:12:38 +0200
Subject: kernel: move regmap bloat out of the kernel image if it is only being used in modules
lede-commit: 96f39119815028073583e4fca3a9c5fe9141e998
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/base/regmap/Kconfig | 15 ++++++++++-----
drivers/base/regmap/Makefile | 12 ++++++++----
drivers/base/regmap/regmap.c | 3 +++
include/linux/regmap.h | 2 +-
4 files changed, 22 insertions(+), 10 deletions(-)
--- a/drivers/base/regmap/Kconfig
+++ b/drivers/base/regmap/Kconfig
@@ -4,9 +4,8 @@
# subsystems should select the appropriate symbols.
config REGMAP
- default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ)
select IRQ_DOMAIN if REGMAP_IRQ
- bool
+ tristate
config REGCACHE_COMPRESSED
select LZO_COMPRESS
@@ -18,6 +17,7 @@ config REGMAP_AC97
config REGMAP_I2C
tristate
+ select REGMAP
depends on I2C
config REGMAP_SLIMBUS
@@ -26,20 +26,26 @@ config REGMAP_SLIMBUS
config REGMAP_SPI
tristate
+ select REGMAP
+ depends on SPI_MASTER
depends on SPI
config REGMAP_SPMI
+ select REGMAP
tristate
depends on SPMI
config REGMAP_W1
+ select REGMAP
tristate
depends on W1
config REGMAP_MMIO
tristate
+ select REGMAP
config REGMAP_IRQ
+ select REGMAP
bool
config REGMAP_SOUNDWIRE
--- a/drivers/base/regmap/Makefile
+++ b/drivers/base/regmap/Makefile
@@ -2,10 +2,14 @@
# For include/trace/define_trace.h to include trace.h
CFLAGS_regmap.o := -I$(src)
-obj-$(CONFIG_REGMAP) += regmap.o regcache.o
-obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-flat.o
-obj-$(CONFIG_REGCACHE_COMPRESSED) += regcache-lzo.o
-obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
+regmap-core-objs = regmap.o regcache.o regcache-rbtree.o regcache-flat.o
+ifdef CONFIG_DEBUG_FS
+regmap-core-objs += regmap-debugfs.o
+endif
+ifdef CONFIG_REGCACHE_COMPRESSED
+regmap-core-objs += regcache-lzo.o
+endif
+obj-$(CONFIG_REGMAP) += regmap-core.o
obj-$(CONFIG_REGMAP_AC97) += regmap-ac97.o
obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o
obj-$(CONFIG_REGMAP_SLIMBUS) += regmap-slimbus.o
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -13,6 +13,7 @@
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/export.h>
+#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/err.h>
#include <linux/of.h>
@@ -3039,3 +3040,5 @@ static int __init regmap_initcall(void)
return 0;
}
postcore_initcall(regmap_initcall);
+
+MODULE_LICENSE("GPL");
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -187,7 +187,7 @@ struct reg_sequence {
pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
})
-#ifdef CONFIG_REGMAP
+#if IS_REACHABLE(CONFIG_REGMAP)
enum regmap_endian {
/* Unspecified -> 0 -> Backwards compatible default */

60
target/linux/generic/hack-5.4/260-crypto_test_dependencies.patch Normal file
View File

@@ -0,0 +1,60 @@
From fd1799b0bf5efa46dd3e6dfbbf3955564807e508 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:12:51 +0200
Subject: kernel: prevent cryptomgr from pulling in useless extra dependencies for tests that are not run
Reduces kernel size after LZMA by about 5k on MIPS
lede-commit: 044c316167e076479a344c59905e5b435b84a77f
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
crypto/Kconfig | 13 ++++++-------
crypto/algboss.c | 4 ++++
2 files changed, 10 insertions(+), 7 deletions(-)
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -144,13 +144,13 @@ config CRYPTO_MANAGER
cbc(aes).
config CRYPTO_MANAGER2
- def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
- select CRYPTO_AEAD2
- select CRYPTO_HASH2
- select CRYPTO_BLKCIPHER2
- select CRYPTO_AKCIPHER2
- select CRYPTO_KPP2
- select CRYPTO_ACOMP2
+ def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y && !CRYPTO_MANAGER_DISABLE_TESTS)
+ select CRYPTO_AEAD2 if !CRYPTO_MANAGER_DISABLE_TESTS
+ select CRYPTO_HASH2 if !CRYPTO_MANAGER_DISABLE_TESTS
+ select CRYPTO_BLKCIPHER2 if !CRYPTO_MANAGER_DISABLE_TESTS
+ select CRYPTO_AKCIPHER2 if !CRYPTO_MANAGER_DISABLE_TESTS
+ select CRYPTO_KPP2 if !CRYPTO_MANAGER_DISABLE_TESTS
+ select CRYPTO_ACOMP2 if !CRYPTO_MANAGER_DISABLE_TESTS
config CRYPTO_USER
tristate "Userspace cryptographic algorithm configuration"
@@ -163,7 +163,6 @@ config CRYPTO_USER
config CRYPTO_MANAGER_DISABLE_TESTS
bool "Disable run-time self tests"
default y
- depends on CRYPTO_MANAGER2
help
Disable run-time self tests that normally take place at
algorithm registration.
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -247,8 +247,12 @@ static int cryptomgr_schedule_test(struc
type = alg->cra_flags;
/* Do not test internal algorithms. */
+#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
+ type |= CRYPTO_ALG_TESTED;
+#else
if (type & CRYPTO_ALG_INTERNAL)
type |= CRYPTO_ALG_TESTED;
+#endif
param->type = type;

84
target/linux/generic/hack-5.4/280-rfkill-stubs.patch Normal file
View File

@@ -0,0 +1,84 @@
From 236c1acdfef5958010ac9814a9872e0a46fd78ee Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Fri, 7 Jul 2017 17:13:44 +0200
Subject: rfkill: add fake rfkill support
allow building of modules depending on RFKILL even if RFKILL is not enabled.
Signed-off-by: John Crispin <john@phrozen.org>
---
include/linux/rfkill.h | 2 +-
net/Makefile | 2 +-
net/rfkill/Kconfig | 14 +++++++++-----
net/rfkill/Makefile | 2 +-
4 files changed, 12 insertions(+), 8 deletions(-)
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -64,7 +64,7 @@ struct rfkill_ops {
int (*set_block)(void *data, bool blocked);
};
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+#if defined(CONFIG_RFKILL_FULL) || defined(CONFIG_RFKILL_FULL_MODULE)
/**
* rfkill_alloc - Allocate rfkill structure
* @name: name of the struct -- the string is not copied internally
--- a/net/Makefile
+++ b/net/Makefile
@@ -53,7 +53,7 @@ obj-$(CONFIG_TIPC) += tipc/
obj-$(CONFIG_NETLABEL) += netlabel/
obj-$(CONFIG_IUCV) += iucv/
obj-$(CONFIG_SMC) += smc/
-obj-$(CONFIG_RFKILL) += rfkill/
+obj-$(CONFIG_RFKILL_FULL) += rfkill/
obj-$(CONFIG_NET_9P) += 9p/
obj-$(CONFIG_CAIF) += caif/
ifneq ($(CONFIG_DCB),)
--- a/net/rfkill/Kconfig
+++ b/net/rfkill/Kconfig
@@ -1,7 +1,11 @@
#
# RF switch subsystem configuration
#
-menuconfig RFKILL
+config RFKILL
+ bool
+ default y
+
+menuconfig RFKILL_FULL
tristate "RF switch subsystem support"
help
Say Y here if you want to have control over RF switches
@@ -13,19 +17,19 @@ menuconfig RFKILL
# LED trigger support
config RFKILL_LEDS
bool
- depends on RFKILL
+ depends on RFKILL_FULL
depends on LEDS_TRIGGERS = y || RFKILL = LEDS_TRIGGERS
default y
config RFKILL_INPUT
bool "RF switch input support" if EXPERT
- depends on RFKILL
+ depends on RFKILL_FULL
depends on INPUT = y || RFKILL = INPUT
default y if !EXPERT
config RFKILL_GPIO
tristate "GPIO RFKILL driver"
- depends on RFKILL
+ depends on RFKILL_FULL
depends on GPIOLIB || COMPILE_TEST
default n
help
--- a/net/rfkill/Makefile
+++ b/net/rfkill/Makefile
@@ -4,5 +4,5 @@
rfkill-y += core.o
rfkill-$(CONFIG_RFKILL_INPUT) += input.o
-obj-$(CONFIG_RFKILL) += rfkill.o
+obj-$(CONFIG_RFKILL_FULL) += rfkill.o
obj-$(CONFIG_RFKILL_GPIO) += rfkill-gpio.o

33
target/linux/generic/hack-5.4/290-nvmem-make-CONFIG_NVMEM-tristate-again.patch Normal file
View File

@@ -0,0 +1,33 @@
From 2579d9b982c7232f9354bcca5262e26a84c38799 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Fri, 2 Nov 2018 17:40:32 +0100
Subject: [PATCH] nvmem: make CONFIG_NVMEM tristate again
Only build it in when OF_NET is selected and make it possible to build
it as module otherwise.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/nvmem/Kconfig | 2 +-
drivers/of/Kconfig | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/nvmem/Kconfig
+++ b/drivers/nvmem/Kconfig
@@ -1,5 +1,5 @@
menuconfig NVMEM
- bool "NVMEM Support"
+ tristate "NVMEM Support"
help
Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES...
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -71,6 +71,7 @@ config OF_IRQ
config OF_NET
depends on NETDEVICES
+ select NVMEM
def_bool y
config OF_MDIO

66
target/linux/generic/hack-5.4/300-MIPS-r4k_cache-use-more-efficient-cache-blast.patch Normal file
View File

@@ -0,0 +1,66 @@
From: Ben Menchaca <ben.menchaca@qca.qualcomm.com>
Date: Fri, 7 Jun 2013 18:35:22 -0500
Subject: MIPS: r4k_cache: use more efficient cache blast
Optimize the compiler output for larger cache blast cases that are
common for DMA-based networking.
Signed-off-by: Ben Menchaca <ben.menchaca@qca.qualcomm.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/arch/mips/include/asm/r4kcache.h
+++ b/arch/mips/include/asm/r4kcache.h
@@ -683,16 +683,48 @@ static inline void prot##extra##blast_##
unsigned long end) \
{ \
unsigned long lsize = cpu_##desc##_line_size(); \
+ unsigned long lsize_2 = lsize * 2; \
+ unsigned long lsize_3 = lsize * 3; \
+ unsigned long lsize_4 = lsize * 4; \
+ unsigned long lsize_5 = lsize * 5; \
+ unsigned long lsize_6 = lsize * 6; \
+ unsigned long lsize_7 = lsize * 7; \
+ unsigned long lsize_8 = lsize * 8; \
unsigned long addr = start & ~(lsize - 1); \
- unsigned long aend = (end - 1) & ~(lsize - 1); \
+ unsigned long aend = (end + lsize - 1) & ~(lsize - 1); \
+ int lines = (aend - addr) / lsize; \
\
__##pfx##flush_prologue \
\
- while (1) { \
+ while (lines >= 8) { \
+ prot##cache_op(hitop, addr); \
+ prot##cache_op(hitop, addr + lsize); \
+ prot##cache_op(hitop, addr + lsize_2); \
+ prot##cache_op(hitop, addr + lsize_3); \
+ prot##cache_op(hitop, addr + lsize_4); \
+ prot##cache_op(hitop, addr + lsize_5); \
+ prot##cache_op(hitop, addr + lsize_6); \
+ prot##cache_op(hitop, addr + lsize_7); \
+ addr += lsize_8; \
+ lines -= 8; \
+ } \
+ \
+ if (lines & 0x4) { \
+ prot##cache_op(hitop, addr); \
+ prot##cache_op(hitop, addr + lsize); \
+ prot##cache_op(hitop, addr + lsize_2); \
+ prot##cache_op(hitop, addr + lsize_3); \
+ addr += lsize_4; \
+ } \
+ \
+ if (lines & 0x2) { \
+ prot##cache_op(hitop, addr); \
+ prot##cache_op(hitop, addr + lsize); \
+ addr += lsize_2; \
+ } \
+ \
+ if (lines & 0x1) { \
prot##cache_op(hitop, addr); \
- if (addr == aend) \
- break; \
- addr += lsize; \
} \
\
__##pfx##flush_epilogue \

38
target/linux/generic/hack-5.4/301-mips_image_cmdline_hack.patch Normal file
View File

@@ -0,0 +1,38 @@
From: John Crispin <john@phrozen.org>
Subject: hack: kernel: add generic image_cmdline hack to MIPS targets
lede-commit: d59f5b3a987a48508257a0ddbaeadc7909f9f976
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
arch/mips/Kconfig | 4 ++++
arch/mips/kernel/head.S | 6 ++++++
2 files changed, 10 insertions(+)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1144,6 +1144,10 @@ config SYNC_R4K
config MIPS_MACHINE
def_bool n
+config IMAGE_CMDLINE_HACK
+ bool "OpenWrt specific image command line hack"
+ default n
+
config NO_IOPORT_MAP
def_bool n
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -79,6 +79,12 @@ FEXPORT(__kernel_entry)
j kernel_entry
#endif
+#ifdef CONFIG_IMAGE_CMDLINE_HACK
+ .ascii "CMDLINE:"
+EXPORT(__image_cmdline)
+ .fill 0x400
+#endif /* CONFIG_IMAGE_CMDLINE_HACK */
+
__REF
NESTED(kernel_entry, 16, sp) # kernel entry point

39
target/linux/generic/hack-5.4/321-powerpc_crtsavres_prereq.patch Normal file
View File

@@ -0,0 +1,39 @@
From 107c0964cb8db7ca28ac5199426414fdab3c274d Mon Sep 17 00:00:00 2001
From: "Alexandros C. Couloumbis" <alex@ozo.com>
Date: Fri, 7 Jul 2017 17:14:51 +0200
Subject: hack: arch: powerpc: drop register save/restore library from modules
Upstream GCC uses a libgcc function for saving/restoring registers. This
makes the code bigger, and upstream kernels need to carry that function
for every single kernel module. Our GCC is patched to avoid those
references, so we can drop the extra bloat for modules.
lede-commit: e8e1084654f50904e6bf77b70b2de3f137d7b3ec
Signed-off-by: Alexandros C. Couloumbis <alex@ozo.com>
---
arch/powerpc/Makefile | 1 -
1 file changed, 1 deletion(-)
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -60,20 +60,6 @@ machine-$(CONFIG_PPC64) += 64
machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le
UTS_MACHINE := $(subst $(space),,$(machine-y))
-# XXX This needs to be before we override LD below
-ifdef CONFIG_PPC32
-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
-else
-KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/powerpc/kernel/module.lds
-ifeq ($(call ld-ifversion, -ge, 225000000, y),y)
-# Have the linker provide sfpr if possible.
-# There is a corresponding test in arch/powerpc/lib/Makefile
-KBUILD_LDFLAGS_MODULE += --save-restore-funcs
-else
-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
-endif
-endif
-
ifdef CONFIG_CPU_LITTLE_ENDIAN
KBUILD_CFLAGS += -mlittle-endian
KBUILD_LDFLAGS += -EL

1040
target/linux/generic/hack-5.4/531-debloat_lzma.patch Normal file
View File

File diff suppressed because it is too large Load Diff

41
target/linux/generic/hack-5.4/550-loop-Report-EOPNOTSUPP-properly.patch Normal file
View File

@@ -0,0 +1,41 @@
From 2e864386e62e702a343be2507062ee08d5dfc810 Mon Sep 17 00:00:00 2001
From: Evan Green <evgreen@chromium.org>
Date: Thu, 14 Nov 2019 15:50:07 -0800
Subject: loop: Report EOPNOTSUPP properly
Properly plumb out EOPNOTSUPP from loop driver operations, which may
get returned when for instance a discard operation is attempted but not
supported by the underlying block device. Before this change, everything
was reported in the log as an I/O error, which is scary and not
helpful in debugging.
Signed-off-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
---
drivers/block/loop.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -460,7 +460,7 @@ static void lo_complete_rq(struct reques
if (!cmd->use_aio || cmd->ret < 0 || cmd->ret == blk_rq_bytes(rq) ||
req_op(rq) != REQ_OP_READ) {
if (cmd->ret < 0)
- ret = BLK_STS_IOERR;
+ ret = errno_to_blk_status(cmd->ret);
goto end_io;
}
@@ -1904,7 +1904,10 @@ static void loop_handle_cmd(struct loop_
failed:
/* complete non-aio request */
if (!cmd->use_aio || ret) {
- cmd->ret = ret ? -EIO : 0;
+ if (ret == -EOPNOTSUPP)
+ cmd->ret = ret;
+ else
+ cmd->ret = ret ? -EIO : 0;
blk_mq_complete_request(rq);
}
}

101
target/linux/generic/hack-5.4/551-loop-Better-discard-support-for-block-devices.patch Normal file
View File

@@ -0,0 +1,101 @@
From 3117c3f45edbcc269baaebd3d13f39b7bf884aa6 Mon Sep 17 00:00:00 2001
From: Evan Green <evgreen@chromium.org>
Date: Thu, 14 Nov 2019 15:50:08 -0800
Subject: loop: Better discard support for block devices
If the backing device for a loop device is itself a block device,
then mirror the "write zeroes" capabilities of the underlying
block device into the loop device. Copy this capability into both
max_write_zeroes_sectors and max_discard_sectors of the loop device.
The reason for this is that REQ_OP_DISCARD on a loop device translates
into blkdev_issue_zeroout(), rather than blkdev_issue_discard(). This
presents a consistent interface for loop devices (that discarded data
is zeroed), regardless of the backing device type of the loop device.
There should be no behavior change for loop devices backed by regular
files.
This change fixes blktest block/003, and removes an extraneous
error print in block/013 when testing on a loop device backed
by a block device that does not support discard.
Signed-off-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
drivers/block/loop.c | 40 +++++++++++++++++++++++++++++-----------
1 file changed, 29 insertions(+), 11 deletions(-)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -426,11 +426,12 @@ static int lo_fallocate(struct loop_devi
* information.
*/
struct file *file = lo->lo_backing_file;
+ struct request_queue *q = lo->lo_queue;
int ret;
mode |= FALLOC_FL_KEEP_SIZE;
- if ((!file->f_op->fallocate) || lo->lo_encrypt_key_size) {
+ if (!blk_queue_discard(q)) {
ret = -EOPNOTSUPP;
goto out;
}
@@ -863,6 +864,21 @@ static void loop_config_discard(struct l
struct file *file = lo->lo_backing_file;
struct inode *inode = file->f_mapping->host;
struct request_queue *q = lo->lo_queue;
+ struct request_queue *backingq;
+
+ /*
+ * If the backing device is a block device, mirror its zeroing
+ * capability. REQ_OP_DISCARD translates to a zero-out even when backed
+ * by block devices to keep consistent behavior with file-backed loop
+ * devices.
+ */
+ if (S_ISBLK(inode->i_mode) && !lo->lo_encrypt_key_size) {
+ backingq = bdev_get_queue(inode->i_bdev);
+ blk_queue_max_discard_sectors(q,
+ backingq->limits.max_write_zeroes_sectors);
+
+ blk_queue_max_write_zeroes_sectors(q,
+ backingq->limits.max_write_zeroes_sectors);
/*
* We use punch hole to reclaim the free space used by the
@@ -870,22 +886,24 @@ static void loop_config_discard(struct l
* encryption is enabled, because it may give an attacker
* useful information.
*/
- if ((!file->f_op->fallocate) ||
- lo->lo_encrypt_key_size) {
+ } else if ((!file->f_op->fallocate) || lo->lo_encrypt_key_size) {
q->limits.discard_granularity = 0;
q->limits.discard_alignment = 0;
blk_queue_max_discard_sectors(q, 0);
blk_queue_max_write_zeroes_sectors(q, 0);
- blk_queue_flag_clear(QUEUE_FLAG_DISCARD, q);
- return;
- }
- q->limits.discard_granularity = inode->i_sb->s_blocksize;
- q->limits.discard_alignment = 0;
+ } else {
+ q->limits.discard_granularity = inode->i_sb->s_blocksize;
+ q->limits.discard_alignment = 0;
- blk_queue_max_discard_sectors(q, UINT_MAX >> 9);
- blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> 9);
- blk_queue_flag_set(QUEUE_FLAG_DISCARD, q);
+ blk_queue_max_discard_sectors(q, UINT_MAX >> 9);
+ blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> 9);
+ }
+
+ if (q->limits.max_write_zeroes_sectors)
+ blk_queue_flag_set(QUEUE_FLAG_DISCARD, q);
+ else
+ blk_queue_flag_clear(QUEUE_FLAG_DISCARD, q);
}
static void loop_unprepare_queue(struct loop_device *lo)

82
target/linux/generic/hack-5.4/640-bridge-only-accept-EAP-locally.patch Normal file
View File

@@ -0,0 +1,82 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:18:54 +0200
Subject: bridge: only accept EAP locally
When bridging, do not forward EAP frames to other ports, only deliver
them locally, regardless of the state.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
[add disable_eap_hack sysfs attribute]
Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
---
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -108,10 +108,14 @@ int br_handle_frame_finish(struct net *n
}
}
+ BR_INPUT_SKB_CB(skb)->brdev = br->dev;
+
+ if (skb->protocol == htons(ETH_P_PAE) && !br->disable_eap_hack)
+ return br_pass_frame_up(skb);
+
if (p->state == BR_STATE_LEARNING)
goto drop;
- BR_INPUT_SKB_CB(skb)->brdev = br->dev;
BR_INPUT_SKB_CB(skb)->src_port_isolated = !!(p->flags & BR_ISOLATED);
if (IS_ENABLED(CONFIG_INET) &&
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -337,6 +337,8 @@ struct net_bridge {
u16 group_fwd_mask;
u16 group_fwd_mask_required;
+ bool disable_eap_hack;
+
/* STP */
bridge_id designated_root;
bridge_id bridge_id;
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -170,6 +170,30 @@ static ssize_t group_fwd_mask_store(stru
}
static DEVICE_ATTR_RW(group_fwd_mask);
+static ssize_t disable_eap_hack_show(struct device *d,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct net_bridge *br = to_bridge(d);
+ return sprintf(buf, "%u\n", br->disable_eap_hack);
+}
+
+static int set_disable_eap_hack(struct net_bridge *br, unsigned long val)
+{
+ br->disable_eap_hack = !!val;
+
+ return 0;
+}
+
+static ssize_t disable_eap_hack_store(struct device *d,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_disable_eap_hack);
+}
+static DEVICE_ATTR_RW(disable_eap_hack);
+
static ssize_t priority_show(struct device *d, struct device_attribute *attr,
char *buf)
{
@@ -810,6 +834,7 @@ static struct attribute *bridge_attrs[]
&dev_attr_ageing_time.attr,
&dev_attr_stp_state.attr,
&dev_attr_group_fwd_mask.attr,
+ &dev_attr_disable_eap_hack.attr,
&dev_attr_priority.attr,
&dev_attr_bridge_id.attr,
&dev_attr_root_id.attr,

212
target/linux/generic/hack-5.4/645-netfilter-connmark-introduce-set-dscpmark.patch Normal file
View File

@@ -0,0 +1,212 @@
From eda40b8c8c82e0f2789d6bc8bf63846dce2e8f32 Mon Sep 17 00:00:00 2001
From: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Date: Sat, 23 Mar 2019 09:29:49 +0000
Subject: [PATCH] netfilter: connmark: introduce set-dscpmark
set-dscpmark is a method of storing the DSCP of an ip packet into
conntrack mark. In combination with a suitable tc filter action
(act_ctinfo) DSCP values are able to be stored in the mark on egress and
restored on ingress across links that otherwise alter or bleach DSCP.
This is useful for qdiscs such as CAKE which are able to shape according
to policies based on DSCP.
Ingress classification is traditionally a challenging task since
iptables rules haven't yet run and tc filter/eBPF programs are pre-NAT
lookups, hence are unable to see internal IPv4 addresses as used on the
typical home masquerading gateway.
x_tables CONNMARK set-dscpmark target solves the problem of storing the
DSCP to the conntrack mark in a way suitable for the new act_ctinfo tc
action to restore.
The set-dscpmark option accepts 2 parameters, a 32bit 'dscpmask' and a
32bit 'statemask'. The dscp mask must be 6 contiguous bits and
represents the area where the DSCP will be stored in the connmark. The
state mask is a minimum 1 bit length mask that must not overlap with the
dscpmask. It represents a flag which is set when the DSCP has been
stored in the conntrack mark. This is useful to implement a 'one shot'
iptables based classification where the 'complicated' iptables rules are
only run once to classify the connection on initial (egress) packet and
subsequent packets are all marked/restored with the same DSCP. A state
mask of zero disables the setting of a status bit/s.
example syntax with a suitably modified iptables user space application:
iptables -A QOS_MARK_eth0 -t mangle -j CONNMARK --set-dscpmark 0xfc000000/0x01000000
Would store the DSCP in the top 6 bits of the 32bit mark field, and use
the LSB of the top byte as the 'DSCP has been stored' marker.
|----0xFC----conntrack mark----000000---|
| Bits 31-26 | bit 25 | bit24 |~~~ Bit 0|
| DSCP | unused | flag |unused |
|-----------------------0x01---000000---|
^ ^
| |
---| Conditional flag
| set this when dscp
|-ip diffserv-| stored in mark
| 6 bits |
|-------------|
an identically configured tc action to restore looks like:
tc filter show dev eth0 ingress
filter parent ffff: protocol all pref 10 u32 chain 0
filter parent ffff: protocol all pref 10 u32 chain 0 fh 800: ht divisor 1
filter parent ffff: protocol all pref 10 u32 chain 0 fh 800::800 order 2048 key ht 800 bkt 0 flowid 1: not_in_hw
match 00000000/00000000 at 0
action order 1: ctinfo zone 0 pipe
index 2 ref 1 bind 1 dscp 0xfc000000/0x1000000
action order 2: mirred (Egress Redirect to device ifb4eth0) stolen
index 1 ref 1 bind 1
|----0xFC----conntrack mark----000000---|
| Bits 31-26 | bit 25 | bit24 |~~~ Bit 0|
| DSCP | unused | flag |unused |
|-----------------------0x01---000000---|
| |
| |
---| Conditional flag
v only restore if set
|-ip diffserv-|
| 6 bits |
|-------------|
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
---
include/uapi/linux/netfilter/xt_connmark.h | 10 ++++
net/netfilter/xt_connmark.c | 55 ++++++++++++++++++----
2 files changed, 57 insertions(+), 8 deletions(-)
--- a/include/uapi/linux/netfilter/xt_connmark.h
+++ b/include/uapi/linux/netfilter/xt_connmark.h
@@ -20,6 +20,11 @@ enum {
};
enum {
+ XT_CONNMARK_VALUE = BIT(0),
+ XT_CONNMARK_DSCP = BIT(1)
+};
+
+enum {
D_SHIFT_LEFT = 0,
D_SHIFT_RIGHT,
};
@@ -34,6 +39,11 @@ struct xt_connmark_tginfo2 {
__u8 shift_dir, shift_bits, mode;
};
+struct xt_connmark_tginfo3 {
+ __u32 ctmark, ctmask, nfmask;
+ __u8 shift_dir, shift_bits, mode, func;
+};
+
struct xt_connmark_mtinfo1 {
__u32 mark, mask;
__u8 invert;
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -36,12 +36,13 @@ MODULE_ALIAS("ipt_connmark");
MODULE_ALIAS("ip6t_connmark");
static unsigned int
-connmark_tg_shift(struct sk_buff *skb, const struct xt_connmark_tginfo2 *info)
+connmark_tg_shift(struct sk_buff *skb, const struct xt_connmark_tginfo3 *info)
{
enum ip_conntrack_info ctinfo;
u_int32_t new_targetmark;
struct nf_conn *ct;
u_int32_t newmark;
+ u_int8_t dscp;
ct = nf_ct_get(skb, &ctinfo);
if (ct == NULL)
@@ -49,12 +50,24 @@ connmark_tg_shift(struct sk_buff *skb, c
switch (info->mode) {
case XT_CONNMARK_SET:
- newmark = (ct->mark & ~info->ctmask) ^ info->ctmark;
- if (info->shift_dir == D_SHIFT_RIGHT)
- newmark >>= info->shift_bits;
- else
- newmark <<= info->shift_bits;
+ newmark = ct->mark;
+ if (info->func & XT_CONNMARK_VALUE) {
+ newmark = (newmark & ~info->ctmask) ^ info->ctmark;
+ if (info->shift_dir == D_SHIFT_RIGHT)
+ newmark >>= info->shift_bits;
+ else
+ newmark <<= info->shift_bits;
+ } else if (info->func & XT_CONNMARK_DSCP) {
+ if (skb->protocol == htons(ETH_P_IP))
+ dscp = ipv4_get_dsfield(ip_hdr(skb)) >> 2;
+ else if (skb->protocol == htons(ETH_P_IPV6))
+ dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> 2;
+ else /* protocol doesn't have diffserv */
+ break;
+ newmark = (newmark & ~info->ctmark) |
+ (info->ctmask | (dscp << info->shift_bits));
+ }
if (ct->mark != newmark) {
ct->mark = newmark;
nf_conntrack_event_cache(IPCT_MARK, ct);
@@ -93,20 +106,36 @@ static unsigned int
connmark_tg(struct sk_buff *skb, const struct xt_action_param *par)
{
const struct xt_connmark_tginfo1 *info = par->targinfo;
- const struct xt_connmark_tginfo2 info2 = {
+ const struct xt_connmark_tginfo3 info3 = {
.ctmark = info->ctmark,
.ctmask = info->ctmask,
.nfmask = info->nfmask,
.mode = info->mode,
+ .func = XT_CONNMARK_VALUE
};
- return connmark_tg_shift(skb, &info2);
+ return connmark_tg_shift(skb, &info3);
}
static unsigned int
connmark_tg_v2(struct sk_buff *skb, const struct xt_action_param *par)
{
const struct xt_connmark_tginfo2 *info = par->targinfo;
+ const struct xt_connmark_tginfo3 info3 = {
+ .ctmark = info->ctmark,
+ .ctmask = info->ctmask,
+ .nfmask = info->nfmask,
+ .mode = info->mode,
+ .func = XT_CONNMARK_VALUE
+ };
+
+ return connmark_tg_shift(skb, &info3);
+}
+
+static unsigned int
+connmark_tg_v3(struct sk_buff *skb, const struct xt_action_param *par)
+{
+ const struct xt_connmark_tginfo3 *info = par->targinfo;
return connmark_tg_shift(skb, info);
}
@@ -177,6 +206,16 @@ static struct xt_target connmark_tg_reg[
.targetsize = sizeof(struct xt_connmark_tginfo2),
.destroy = connmark_tg_destroy,
.me = THIS_MODULE,
+ },
+ {
+ .name = "CONNMARK",
+ .revision = 3,
+ .family = NFPROTO_UNSPEC,
+ .checkentry = connmark_tg_check,
+ .target = connmark_tg_v3,
+ .targetsize = sizeof(struct xt_connmark_tginfo3),
+ .destroy = connmark_tg_destroy,
+ .me = THIS_MODULE,
}
};

70
target/linux/generic/hack-5.4/647-netfilter-flow-acct.patch Normal file
View File

@@ -0,0 +1,70 @@
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -163,6 +163,8 @@ struct nf_flow_table_hw {
int nf_flow_table_hw_register(const struct nf_flow_table_hw *offload);
void nf_flow_table_hw_unregister(const struct nf_flow_table_hw *offload);
+void nf_flow_table_acct(struct flow_offload *flow, struct sk_buff *skb, int dir);
+
extern struct work_struct nf_flow_offload_hw_work;
#define MODULE_ALIAS_NF_FLOWTABLE(family) \
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -11,6 +11,7 @@
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/nf_conntrack_tuple.h>
+#include <net/netfilter/nf_conntrack_acct.h>
struct flow_offload_entry {
struct flow_offload flow;
@@ -149,6 +150,22 @@ void flow_offload_free(struct flow_offlo
}
EXPORT_SYMBOL_GPL(flow_offload_free);
+void nf_flow_table_acct(struct flow_offload *flow, struct sk_buff *skb, int dir)
+{
+ struct flow_offload_entry *entry;
+ struct nf_conn_acct *acct;
+
+ entry = container_of(flow, struct flow_offload_entry, flow);
+ acct = nf_conn_acct_find(entry->ct);
+ if (acct) {
+ struct nf_conn_counter *counter = acct->counter;
+
+ atomic64_inc(&counter[dir].packets);
+ atomic64_add(skb->len, &counter[dir].bytes);
+ }
+}
+EXPORT_SYMBOL_GPL(nf_flow_table_acct);
+
static u32 flow_offload_hash(const void *data, u32 len, u32 seed)
{
const struct flow_offload_tuple *tuple = data;
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -11,6 +11,7 @@
#include <net/ip6_route.h>
#include <net/neighbour.h>
#include <net/netfilter/nf_flow_table.h>
+
/* For layer 4 checksum field offset. */
#include <linux/tcp.h>
#include <linux/udp.h>
@@ -267,6 +268,7 @@ nf_flow_offload_ip_hook(void *priv, stru
skb->dev = outdev;
nexthop = rt_nexthop(rt, flow->tuplehash[!dir].tuple.src_v4.s_addr);
skb_dst_set_noref(skb, &rt->dst);
+ nf_flow_table_acct(flow, skb, dir);
neigh_xmit(NEIGH_ARP_TABLE, outdev, &nexthop, skb);
return NF_STOLEN;
@@ -487,6 +489,7 @@ nf_flow_offload_ipv6_hook(void *priv, st
skb->dev = outdev;
nexthop = rt6_nexthop(rt, &flow->tuplehash[!dir].tuple.src_v6);
skb_dst_set_noref(skb, &rt->dst);
+ nf_flow_table_acct(flow, skb, dir);
neigh_xmit(NEIGH_ND_TABLE, outdev, nexthop, skb);
return NF_STOLEN;

553
target/linux/generic/hack-5.4/650-netfilter-add-xt_OFFLOAD-target.patch Normal file
View File

@@ -0,0 +1,553 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 20 Feb 2018 15:56:02 +0100
Subject: [PATCH] netfilter: add xt_OFFLOAD target
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
create mode 100644 net/netfilter/xt_OFFLOAD.c
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -63,8 +63,6 @@ config NF_TABLES_ARP
help
This option enables the ARP support for nf_tables.
-endif # NF_TABLES
-
config NF_FLOW_TABLE_IPV4
tristate "Netfilter flow table IPv4 module"
depends on NF_FLOW_TABLE
@@ -73,6 +71,8 @@ config NF_FLOW_TABLE_IPV4
To compile it as a module, choose M here.
+endif # NF_TABLES
+
config NF_DUP_IPV4
tristate "Netfilter IPv4 packet duplication to alternate destination"
depends on !NF_CONNTRACK || NF_CONNTRACK
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -80,7 +80,6 @@ config NFT_FIB_IPV6
multicast or blackhole.
endif # NF_TABLES_IPV6
-endif # NF_TABLES
config NF_FLOW_TABLE_IPV6
tristate "Netfilter flow table IPv6 module"
@@ -90,6 +89,8 @@ config NF_FLOW_TABLE_IPV6
To compile it as a module, choose M here.
+endif # NF_TABLES
+
config NF_DUP_IPV6
tristate "Netfilter IPv6 packet duplication to alternate destination"
depends on !NF_CONNTRACK || NF_CONNTRACK
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -693,8 +693,6 @@ config NFT_FIB_NETDEV
endif # NF_TABLES_NETDEV
-endif # NF_TABLES
-
config NF_FLOW_TABLE_INET
tristate "Netfilter flow table mixed IPv4/IPv6 module"
depends on NF_FLOW_TABLE
@@ -703,11 +701,12 @@ config NF_FLOW_TABLE_INET
To compile it as a module, choose M here.
+endif # NF_TABLES
+
config NF_FLOW_TABLE
tristate "Netfilter flow table module"
depends on NETFILTER_INGRESS
depends on NF_CONNTRACK
- depends on NF_TABLES
help
This option adds the flow table core infrastructure.
@@ -996,6 +995,15 @@ config NETFILTER_XT_TARGET_NOTRACK
depends on NETFILTER_ADVANCED
select NETFILTER_XT_TARGET_CT
+config NETFILTER_XT_TARGET_FLOWOFFLOAD
+ tristate '"FLOWOFFLOAD" target support'
+ depends on NF_FLOW_TABLE
+ depends on NETFILTER_INGRESS
+ help
+ This option adds a `FLOWOFFLOAD' target, which uses the nf_flow_offload
+ module to speed up processing of packets by bypassing the usual
+ netfilter chains
+
config NETFILTER_XT_TARGET_RATEEST
tristate '"RATEEST" target support'
depends on NETFILTER_ADVANCED
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -144,6 +144,7 @@ obj-$(CONFIG_NETFILTER_XT_TARGET_CLASSIF
obj-$(CONFIG_NETFILTER_XT_TARGET_CONNSECMARK) += xt_CONNSECMARK.o
obj-$(CONFIG_NETFILTER_XT_TARGET_CT) += xt_CT.o
obj-$(CONFIG_NETFILTER_XT_TARGET_DSCP) += xt_DSCP.o
+obj-$(CONFIG_NETFILTER_XT_TARGET_FLOWOFFLOAD) += xt_FLOWOFFLOAD.o
obj-$(CONFIG_NETFILTER_XT_TARGET_HL) += xt_HL.o
obj-$(CONFIG_NETFILTER_XT_TARGET_HMARK) += xt_HMARK.o
obj-$(CONFIG_NETFILTER_XT_TARGET_LED) += xt_LED.o
--- /dev/null
+++ b/net/netfilter/xt_FLOWOFFLOAD.c
@@ -0,0 +1,422 @@
+/*
+ * Copyright (C) 2018 Felix Fietkau <nbd@nbd.name>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/netfilter.h>
+#include <linux/netfilter/xt_FLOWOFFLOAD.h>
+#include <net/ip.h>
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_extend.h>
+#include <net/netfilter/nf_conntrack_helper.h>
+#include <net/netfilter/nf_flow_table.h>
+
+static struct nf_flowtable nf_flowtable;
+static HLIST_HEAD(hooks);
+static DEFINE_SPINLOCK(hooks_lock);
+static struct delayed_work hook_work;
+
+struct xt_flowoffload_hook {
+ struct hlist_node list;
+ struct nf_hook_ops ops;
+ struct net *net;
+ bool registered;
+ bool used;
+};
+
+static unsigned int
+xt_flowoffload_net_hook(void *priv, struct sk_buff *skb,
+ const struct nf_hook_state *state)
+{
+ switch (skb->protocol) {
+ case htons(ETH_P_IP):
+ return nf_flow_offload_ip_hook(priv, skb, state);
+ case htons(ETH_P_IPV6):
+ return nf_flow_offload_ipv6_hook(priv, skb, state);
+ }
+
+ return NF_ACCEPT;
+}
+
+static int
+xt_flowoffload_create_hook(struct net_device *dev)
+{
+ struct xt_flowoffload_hook *hook;
+ struct nf_hook_ops *ops;
+
+ hook = kzalloc(sizeof(*hook), GFP_ATOMIC);
+ if (!hook)
+ return -ENOMEM;
+
+ ops = &hook->ops;
+ ops->pf = NFPROTO_NETDEV;
+ ops->hooknum = NF_NETDEV_INGRESS;
+ ops->priority = 10;
+ ops->priv = &nf_flowtable;
+ ops->hook = xt_flowoffload_net_hook;
+ ops->dev = dev;
+
+ hlist_add_head(&hook->list, &hooks);
+ mod_delayed_work(system_power_efficient_wq, &hook_work, 0);
+
+ return 0;
+}
+
+static struct xt_flowoffload_hook *
+flow_offload_lookup_hook(struct net_device *dev)
+{
+ struct xt_flowoffload_hook *hook;
+
+ hlist_for_each_entry(hook, &hooks, list) {
+ if (hook->ops.dev == dev)
+ return hook;
+ }
+
+ return NULL;
+}
+
+static void
+xt_flowoffload_check_device(struct net_device *dev)
+{
+ struct xt_flowoffload_hook *hook;
+
+ spin_lock_bh(&hooks_lock);
+ hook = flow_offload_lookup_hook(dev);
+ if (hook)
+ hook->used = true;
+ else
+ xt_flowoffload_create_hook(dev);
+ spin_unlock_bh(&hooks_lock);
+}
+
+static void
+xt_flowoffload_register_hooks(void)
+{
+ struct xt_flowoffload_hook *hook;
+
+restart:
+ hlist_for_each_entry(hook, &hooks, list) {
+ if (hook->registered)
+ continue;
+
+ hook->registered = true;
+ hook->net = dev_net(hook->ops.dev);
+ spin_unlock_bh(&hooks_lock);
+ nf_register_net_hook(hook->net, &hook->ops);
+ spin_lock_bh(&hooks_lock);
+ goto restart;
+ }
+
+}
+
+static void
+xt_flowoffload_cleanup_hooks(void)
+{
+ struct xt_flowoffload_hook *hook;
+
+restart:
+ hlist_for_each_entry(hook, &hooks, list) {
+ if (hook->used || !hook->registered)
+ continue;
+
+ hlist_del(&hook->list);
+ spin_unlock_bh(&hooks_lock);
+ nf_unregister_net_hook(hook->net, &hook->ops);
+ kfree(hook);
+ spin_lock_bh(&hooks_lock);
+ goto restart;
+ }
+
+}
+
+static void
+xt_flowoffload_check_hook(struct flow_offload *flow, void *data)
+{
+ struct flow_offload_tuple *tuple = &flow->tuplehash[0].tuple;
+ struct xt_flowoffload_hook *hook;
+ bool *found = data;
+
+ spin_lock_bh(&hooks_lock);
+ hlist_for_each_entry(hook, &hooks, list) {
+ if (hook->ops.dev->ifindex != tuple->iifidx &&
+ hook->ops.dev->ifindex != tuple->oifidx)
+ continue;
+
+ hook->used = true;
+ *found = true;
+ }
+ spin_unlock_bh(&hooks_lock);
+}
+
+static void
+xt_flowoffload_hook_work(struct work_struct *work)
+{
+ struct xt_flowoffload_hook *hook;
+ bool found = false;
+ int err;
+
+ spin_lock_bh(&hooks_lock);
+ xt_flowoffload_register_hooks();
+ hlist_for_each_entry(hook, &hooks, list)
+ hook->used = false;
+ spin_unlock_bh(&hooks_lock);
+
+ err = nf_flow_table_iterate(&nf_flowtable, xt_flowoffload_check_hook,
+ &found);
+ if (err && err != -EAGAIN)
+ goto out;
+
+ spin_lock_bh(&hooks_lock);
+ xt_flowoffload_cleanup_hooks();
+ spin_unlock_bh(&hooks_lock);
+
+out:
+ if (found)
+ queue_delayed_work(system_power_efficient_wq, &hook_work, HZ);
+}
+
+static bool
+xt_flowoffload_skip(struct sk_buff *skb, int family)
+{
+ if (skb_sec_path(skb))
+ return true;
+
+ if (family == NFPROTO_IPV4) {
+ const struct ip_options *opt = &(IPCB(skb)->opt);
+
+ if (unlikely(opt->optlen))
+ return true;
+ }
+
+ return false;
+}
+
+static struct dst_entry *
+xt_flowoffload_dst(const struct nf_conn *ct, enum ip_conntrack_dir dir,
+ const struct xt_action_param *par, int ifindex)
+{
+ struct dst_entry *dst = NULL;
+ struct flowi fl;
+
+ memset(&fl, 0, sizeof(fl));
+ switch (xt_family(par)) {
+ case NFPROTO_IPV4:
+ fl.u.ip4.daddr = ct->tuplehash[dir].tuple.src.u3.ip;
+ fl.u.ip4.flowi4_oif = ifindex;
+ break;
+ case NFPROTO_IPV6:
+ fl.u.ip6.saddr = ct->tuplehash[dir].tuple.dst.u3.in6;
+ fl.u.ip6.daddr = ct->tuplehash[dir].tuple.src.u3.in6;
+ fl.u.ip6.flowi6_oif = ifindex;
+ break;
+ }
+
+ nf_route(xt_net(par), &dst, &fl, false, xt_family(par));
+
+ return dst;
+}
+
+static int
+xt_flowoffload_route(struct sk_buff *skb, const struct nf_conn *ct,
+ const struct xt_action_param *par,
+ struct nf_flow_route *route, enum ip_conntrack_dir dir)
+{
+ struct dst_entry *this_dst, *other_dst;
+
+ this_dst = xt_flowoffload_dst(ct, !dir, par, xt_out(par)->ifindex);
+ other_dst = xt_flowoffload_dst(ct, dir, par, xt_in(par)->ifindex);
+
+ route->tuple[dir].dst = this_dst;
+ route->tuple[!dir].dst = other_dst;
+
+ if (!this_dst || !other_dst)
+ return -ENOENT;
+
+ if (dst_xfrm(this_dst) || dst_xfrm(other_dst))
+ return -EINVAL;
+
+ return 0;
+}
+
+static unsigned int
+flowoffload_tg(struct sk_buff *skb, const struct xt_action_param *par)
+{
+ const struct xt_flowoffload_target_info *info = par->targinfo;
+ struct tcphdr _tcph, *tcph = NULL;
+ enum ip_conntrack_info ctinfo;
+ enum ip_conntrack_dir dir;
+ struct nf_flow_route route;
+ struct flow_offload *flow = NULL;
+ struct nf_conn *ct;
+ struct net *net;
+
+ if (xt_flowoffload_skip(skb, xt_family(par)))
+ return XT_CONTINUE;
+
+ ct = nf_ct_get(skb, &ctinfo);
+ if (ct == NULL)
+ return XT_CONTINUE;
+
+ switch (ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum) {
+ case IPPROTO_TCP:
+ if (ct->proto.tcp.state != TCP_CONNTRACK_ESTABLISHED)
+ return XT_CONTINUE;
+
+ tcph = skb_header_pointer(skb, par->thoff,
+ sizeof(_tcph), &_tcph);
+ if (unlikely(!tcph || tcph->fin || tcph->rst))
+ return XT_CONTINUE;
+ break;
+ case IPPROTO_UDP:
+ break;
+ default:
+ return XT_CONTINUE;
+ }
+
+ if (nf_ct_ext_exist(ct, NF_CT_EXT_HELPER) ||
+ ct->status & IPS_SEQ_ADJUST)
+ return XT_CONTINUE;
+
+ if (!nf_ct_is_confirmed(ct))
+ return XT_CONTINUE;
+
+ if (!xt_in(par) || !xt_out(par))
+ return XT_CONTINUE;
+
+ if (test_and_set_bit(IPS_OFFLOAD_BIT, &ct->status))
+ return XT_CONTINUE;
+
+ dir = CTINFO2DIR(ctinfo);
+
+ if (xt_flowoffload_route(skb, ct, par, &route, dir) == 0)
+ flow = flow_offload_alloc(ct, &route);
+
+ dst_release(route.tuple[dir].dst);
+ dst_release(route.tuple[!dir].dst);
+
+ if (!flow)
+ goto err_flow_route;
+
+ if (tcph) {
+ ct->proto.tcp.seen[0].flags |= IP_CT_TCP_FLAG_BE_LIBERAL;
+ ct->proto.tcp.seen[1].flags |= IP_CT_TCP_FLAG_BE_LIBERAL;
+ }
+
+ if (flow_offload_add(&nf_flowtable, flow) < 0)
+ goto err_flow_add;
+
+ xt_flowoffload_check_device(xt_in(par));
+ xt_flowoffload_check_device(xt_out(par));
+
+ net = read_pnet(&nf_flowtable.ft_net);
+ if (!net)
+ write_pnet(&nf_flowtable.ft_net, xt_net(par));
+
+ if (info->flags & XT_FLOWOFFLOAD_HW)
+ nf_flow_offload_hw_add(xt_net(par), flow, ct);
+
+ return XT_CONTINUE;
+
+err_flow_add:
+ flow_offload_free(flow);
+err_flow_route:
+ clear_bit(IPS_OFFLOAD_BIT, &ct->status);
+ return XT_CONTINUE;
+}
+
+
+static int flowoffload_chk(const struct xt_tgchk_param *par)
+{
+ struct xt_flowoffload_target_info *info = par->targinfo;
+
+ if (info->flags & ~XT_FLOWOFFLOAD_MASK)
+ return -EINVAL;
+
+ return 0;
+}
+
+static struct xt_target offload_tg_reg __read_mostly = {
+ .family = NFPROTO_UNSPEC,
+ .name = "FLOWOFFLOAD",
+ .revision = 0,
+ .targetsize = sizeof(struct xt_flowoffload_target_info),
+ .usersize = sizeof(struct xt_flowoffload_target_info),
+ .checkentry = flowoffload_chk,
+ .target = flowoffload_tg,
+ .me = THIS_MODULE,
+};
+
+static int xt_flowoffload_table_init(struct nf_flowtable *table)
+{
+ table->flags = NF_FLOWTABLE_F_HW;
+ nf_flow_table_init(table);
+ return 0;
+}
+
+static void xt_flowoffload_table_cleanup(struct nf_flowtable *table)
+{
+ nf_flow_table_free(table);
+}
+
+static int flow_offload_netdev_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ struct xt_flowoffload_hook *hook = NULL;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+
+ if (event != NETDEV_UNREGISTER)
+ return NOTIFY_DONE;
+
+ spin_lock_bh(&hooks_lock);
+ hook = flow_offload_lookup_hook(dev);
+ if (hook) {
+ hlist_del(&hook->list);
+ }
+ spin_unlock_bh(&hooks_lock);
+ if (hook) {
+ nf_unregister_net_hook(hook->net, &hook->ops);
+ kfree(hook);
+ }
+
+ nf_flow_table_cleanup(dev_net(dev), dev);
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block flow_offload_netdev_notifier = {
+ .notifier_call = flow_offload_netdev_event,
+};
+
+static int __init xt_flowoffload_tg_init(void)
+{
+ int ret;
+
+ register_netdevice_notifier(&flow_offload_netdev_notifier);
+
+ INIT_DELAYED_WORK(&hook_work, xt_flowoffload_hook_work);
+
+ ret = xt_flowoffload_table_init(&nf_flowtable);
+ if (ret)
+ return ret;
+
+ ret = xt_register_target(&offload_tg_reg);
+ if (ret)
+ xt_flowoffload_table_cleanup(&nf_flowtable);
+
+ return ret;
+}
+
+static void __exit xt_flowoffload_tg_exit(void)
+{
+ xt_unregister_target(&offload_tg_reg);
+ xt_flowoffload_table_cleanup(&nf_flowtable);
+ unregister_netdevice_notifier(&flow_offload_netdev_notifier);
+}
+
+MODULE_LICENSE("GPL");
+module_init(xt_flowoffload_tg_init);
+module_exit(xt_flowoffload_tg_exit);
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -6,7 +6,6 @@
#include <linux/netdevice.h>
#include <net/ip.h>
#include <net/ip6_route.h>
-#include <net/netfilter/nf_tables.h>
#include <net/netfilter/nf_flow_table.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_core.h>
--- /dev/null
+++ b/include/uapi/linux/netfilter/xt_FLOWOFFLOAD.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _XT_FLOWOFFLOAD_H
+#define _XT_FLOWOFFLOAD_H
+
+#include <linux/types.h>
+
+enum {
+ XT_FLOWOFFLOAD_HW = 1 << 0,
+
+ XT_FLOWOFFLOAD_MASK = XT_FLOWOFFLOAD_HW
+};
+
+struct xt_flowoffload_target_info {
+ __u32 flags;
+};
+
+#endif /* _XT_FLOWOFFLOAD_H */

24
target/linux/generic/hack-5.4/651-wireless_mesh_header.patch Normal file
View File

@@ -0,0 +1,24 @@
From 6d3bc769657b0ee7c7506dad9911111c4226a7ea Mon Sep 17 00:00:00 2001
From: Imre Kaloz <kaloz@openwrt.org>
Date: Fri, 7 Jul 2017 17:21:05 +0200
Subject: mac80211: increase wireless mesh header size
lede-commit 3d4466cfd8f75f717efdb1f96fdde3c70d865fc1
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
---
include/linux/netdevice.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -140,8 +140,8 @@ static inline bool dev_xmit_complete(int
#if defined(CONFIG_HYPERV_NET)
# define LL_MAX_HEADER 128
-#elif defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25)
-# if defined(CONFIG_MAC80211_MESH)
+#elif defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25) || 1
+# if defined(CONFIG_MAC80211_MESH) || 1
# define LL_MAX_HEADER 128
# else
# define LL_MAX_HEADER 96

27
target/linux/generic/hack-5.4/660-fq_codel_defaults.patch Normal file
View File

@@ -0,0 +1,27 @@
From a6ccb238939b25851474a279b20367fd24a0e816 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:21:53 +0200
Subject: hack: net: fq_codel: tune defaults for small devices
Assume that x86_64 devices always have a big memory and do not need this
optimization compared to devices with only 32 MB or 64 MB RAM.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
net/sched/sch_fq_codel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -474,7 +474,11 @@ static int fq_codel_init(struct Qdisc *s
sch->limit = 10*1024;
q->flows_cnt = 1024;
+#ifdef CONFIG_X86_64
q->memory_limit = 32 << 20; /* 32 MBytes */
+#else
+ q->memory_limit = 4 << 20; /* 4 MBytes */
+#endif
q->drop_batch_size = 64;
q->quantum = psched_mtu(qdisc_dev(sch));
INIT_LIST_HEAD(&q->new_flows);

94
target/linux/generic/hack-5.4/661-use_fq_codel_by_default.patch Normal file
View File

@@ -0,0 +1,94 @@
From 1d418f7e88035ed7a94073f6354246c66e9193e9 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:22:58 +0200
Subject: fq_codel: switch default qdisc from pfifo_fast to fq_codel and remove pfifo_fast
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/net/sch_generic.h | 3 ++-
net/sched/Kconfig | 3 ++-
net/sched/sch_api.c | 2 +-
net/sched/sch_fq_codel.c | 3 ++-
net/sched/sch_generic.c | 4 ++--
5 files changed, 9 insertions(+), 6 deletions(-)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -487,12 +487,13 @@ extern struct Qdisc_ops noop_qdisc_ops;
extern struct Qdisc_ops pfifo_fast_ops;
extern struct Qdisc_ops mq_qdisc_ops;
extern struct Qdisc_ops noqueue_qdisc_ops;
+extern struct Qdisc_ops fq_codel_qdisc_ops;
extern const struct Qdisc_ops *default_qdisc_ops;
static inline const struct Qdisc_ops *
get_default_qdisc_ops(const struct net_device *dev, int ntx)
{
return ntx < dev->real_num_tx_queues ?
- default_qdisc_ops : &pfifo_fast_ops;
+ default_qdisc_ops : &fq_codel_qdisc_ops;
}
struct Qdisc_class_common {
--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -3,8 +3,9 @@
#
menuconfig NET_SCHED
- bool "QoS and/or fair queueing"
+ def_bool y
select NET_SCH_FIFO
+ select NET_SCH_FQ_CODEL
---help---
When the kernel has several packets to send out over a network
device, it has to decide which ones to send first, which ones to
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -2162,7 +2162,7 @@ static int __init pktsched_init(void)
return err;
}
- register_qdisc(&pfifo_fast_ops);
+ register_qdisc(&fq_codel_qdisc_ops);
register_qdisc(&pfifo_qdisc_ops);
register_qdisc(&bfifo_qdisc_ops);
register_qdisc(&pfifo_head_drop_qdisc_ops);
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -714,7 +714,7 @@ static const struct Qdisc_class_ops fq_c
.walk = fq_codel_walk,
};
-static struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = {
+struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = {
.cl_ops = &fq_codel_class_ops,
.id = "fq_codel",
.priv_size = sizeof(struct fq_codel_sched_data),
@@ -729,6 +729,7 @@ static struct Qdisc_ops fq_codel_qdisc_o
.dump_stats = fq_codel_dump_stats,
.owner = THIS_MODULE,
};
+EXPORT_SYMBOL(fq_codel_qdisc_ops);
static int __init fq_codel_module_init(void)
{
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -35,7 +35,7 @@
#include <net/xfrm.h>
/* Qdisc to use by default */
-const struct Qdisc_ops *default_qdisc_ops = &pfifo_fast_ops;
+const struct Qdisc_ops *default_qdisc_ops = &fq_codel_qdisc_ops;
EXPORT_SYMBOL(default_qdisc_ops);
/* Main transmission queue. */
@@ -1025,7 +1025,7 @@ static void attach_one_default_qdisc(str
void *_unused)
{
struct Qdisc *qdisc;
- const struct Qdisc_ops *ops = default_qdisc_ops;
+ const struct Qdisc_ops *ops = &fq_codel_qdisc_ops;
if (dev->priv_flags & IFF_NO_QUEUE)
ops = &noqueue_qdisc_ops;

220
target/linux/generic/hack-5.4/662-remove_pfifo_fast.patch Normal file
View File

@@ -0,0 +1,220 @@
From b531d492d5ef1cf9dba0f4888eb5fd8624a6d762 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:23:42 +0200
Subject: net: sched: switch default qdisc from pfifo_fast to fq_codel and remove pfifo_fast
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
net/sched/sch_generic.c | 140 ------------------------------------------------
1 file changed, 140 deletions(-)
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -612,207 +612,6 @@ struct Qdisc_ops noqueue_qdisc_ops __rea
.owner = THIS_MODULE,
};
-static const u8 prio2band[TC_PRIO_MAX + 1] = {
- 1, 2, 2, 2, 1, 2, 0, 0 , 1, 1, 1, 1, 1, 1, 1, 1
-};
-
-/* 3-band FIFO queue: old style, but should be a bit faster than
- generic prio+fifo combination.
- */
-
-#define PFIFO_FAST_BANDS 3
-
-/*
- * Private data for a pfifo_fast scheduler containing:
- * - rings for priority bands
- */
-struct pfifo_fast_priv {
- struct skb_array q[PFIFO_FAST_BANDS];
-};
-
-static inline struct skb_array *band2list(struct pfifo_fast_priv *priv,
- int band)
-{
- return &priv->q[band];
-}
-
-static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc *qdisc,
- struct sk_buff **to_free)
-{
- int band = prio2band[skb->priority & TC_PRIO_MAX];
- struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
- struct skb_array *q = band2list(priv, band);
- unsigned int pkt_len = qdisc_pkt_len(skb);
- int err;
-
- err = skb_array_produce(q, skb);
-
- if (unlikely(err))
- return qdisc_drop_cpu(skb, qdisc, to_free);
-
- qdisc_qstats_atomic_qlen_inc(qdisc);
- /* Note: skb can not be used after skb_array_produce(),
- * so we better not use qdisc_qstats_cpu_backlog_inc()
- */
- this_cpu_add(qdisc->cpu_qstats->backlog, pkt_len);
- return NET_XMIT_SUCCESS;
-}
-
-static struct sk_buff *pfifo_fast_dequeue(struct Qdisc *qdisc)
-{
- struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
- struct sk_buff *skb = NULL;
- int band;
-
- for (band = 0; band < PFIFO_FAST_BANDS && !skb; band++) {
- struct skb_array *q = band2list(priv, band);
-
- if (__skb_array_empty(q))
- continue;
-
- skb = __skb_array_consume(q);
- }
- if (likely(skb)) {
- qdisc_qstats_cpu_backlog_dec(qdisc, skb);
- qdisc_bstats_cpu_update(qdisc, skb);
- qdisc_qstats_atomic_qlen_dec(qdisc);
- }
-
- return skb;
-}
-
-static struct sk_buff *pfifo_fast_peek(struct Qdisc *qdisc)
-{
- struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
- struct sk_buff *skb = NULL;
- int band;
-
- for (band = 0; band < PFIFO_FAST_BANDS && !skb; band++) {
- struct skb_array *q = band2list(priv, band);
-
- skb = __skb_array_peek(q);
- }
-
- return skb;
-}
-
-static void pfifo_fast_reset(struct Qdisc *qdisc)
-{
- int i, band;
- struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
-
- for (band = 0; band < PFIFO_FAST_BANDS; band++) {
- struct skb_array *q = band2list(priv, band);
- struct sk_buff *skb;
-
- /* NULL ring is possible if destroy path is due to a failed
- * skb_array_init() in pfifo_fast_init() case.
- */
- if (!q->ring.queue)
- continue;
-
- while ((skb = __skb_array_consume(q)) != NULL)
- kfree_skb(skb);
- }
-
- for_each_possible_cpu(i) {
- struct gnet_stats_queue *q = per_cpu_ptr(qdisc->cpu_qstats, i);
-
- q->backlog = 0;
- }
-}
-
-static int pfifo_fast_dump(struct Qdisc *qdisc, struct sk_buff *skb)
-{
- struct tc_prio_qopt opt = { .bands = PFIFO_FAST_BANDS };
-
- memcpy(&opt.priomap, prio2band, TC_PRIO_MAX + 1);
- if (nla_put(skb, TCA_OPTIONS, sizeof(opt), &opt))
- goto nla_put_failure;
- return skb->len;
-
-nla_put_failure:
- return -1;
-}
-
-static int pfifo_fast_init(struct Qdisc *qdisc, struct nlattr *opt,
- struct netlink_ext_ack *extack)
-{
- unsigned int qlen = qdisc_dev(qdisc)->tx_queue_len;
- struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
- int prio;
-
- /* guard against zero length rings */
- if (!qlen)
- return -EINVAL;
-
- for (prio = 0; prio < PFIFO_FAST_BANDS; prio++) {
- struct skb_array *q = band2list(priv, prio);
- int err;
-
- err = skb_array_init(q, qlen, GFP_KERNEL);
- if (err)
- return -ENOMEM;
- }
-
- /* Can by-pass the queue discipline */
- qdisc->flags |= TCQ_F_CAN_BYPASS;
- return 0;
-}
-
-static void pfifo_fast_destroy(struct Qdisc *sch)
-{
- struct pfifo_fast_priv *priv = qdisc_priv(sch);
- int prio;
-
- for (prio = 0; prio < PFIFO_FAST_BANDS; prio++) {
- struct skb_array *q = band2list(priv, prio);
-
- /* NULL ring is possible if destroy path is due to a failed
- * skb_array_init() in pfifo_fast_init() case.
- */
- if (!q->ring.queue)
- continue;
- /* Destroy ring but no need to kfree_skb because a call to
- * pfifo_fast_reset() has already done that work.
- */
- ptr_ring_cleanup(&q->ring, NULL);
- }
-}
-
-static int pfifo_fast_change_tx_queue_len(struct Qdisc *sch,
- unsigned int new_len)
-{
- struct pfifo_fast_priv *priv = qdisc_priv(sch);
- struct skb_array *bands[PFIFO_FAST_BANDS];
- int prio;
-
- for (prio = 0; prio < PFIFO_FAST_BANDS; prio++) {
- struct skb_array *q = band2list(priv, prio);
-
- bands[prio] = q;
- }
-
- return skb_array_resize_multiple(bands, PFIFO_FAST_BANDS, new_len,
- GFP_KERNEL);
-}
-
-struct Qdisc_ops pfifo_fast_ops __read_mostly = {
- .id = "pfifo_fast",
- .priv_size = sizeof(struct pfifo_fast_priv),
- .enqueue = pfifo_fast_enqueue,
- .dequeue = pfifo_fast_dequeue,
- .peek = pfifo_fast_peek,
- .init = pfifo_fast_init,
- .destroy = pfifo_fast_destroy,
- .reset = pfifo_fast_reset,
- .dump = pfifo_fast_dump,
- .change_tx_queue_len = pfifo_fast_change_tx_queue_len,
- .owner = THIS_MODULE,
- .static_flags = TCQ_F_NOLOCK | TCQ_F_CPUSTATS,
-};
-EXPORT_SYMBOL(pfifo_fast_ops);
-
static struct lock_class_key qdisc_tx_busylock;
static struct lock_class_key qdisc_running_key;

140
target/linux/generic/hack-5.4/700-swconfig_switch_drivers.patch Normal file
View File

@@ -0,0 +1,140 @@
From 36e516290611e613aa92996cb4339561452695b4 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:24:23 +0200
Subject: net: swconfig: adds openwrt switch layer
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/phy/Kconfig | 83 +++++++++++++++++++++++++++++++++++++++++++++++
drivers/net/phy/Makefile | 15 +++++++++
include/uapi/linux/Kbuild | 1 +
3 files changed, 99 insertions(+)
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -209,6 +209,89 @@ config LED_TRIGGER_PHY
for any speed known to the PHY.
+comment "Switch configuration API + drivers"
+
+config SWCONFIG
+ tristate "Switch configuration API"
+ ---help---
+ Switch configuration API using netlink. This allows
+ you to configure the VLAN features of certain switches.
+
+config SWCONFIG_LEDS
+ bool "Switch LED trigger support"
+ depends on (SWCONFIG && LEDS_TRIGGERS)
+
+config ADM6996_PHY
+ tristate "Driver for ADM6996 switches"
+ select SWCONFIG
+ ---help---
+ Currently supports the ADM6996FC and ADM6996M switches.
+ Support for FC is very limited.
+
+config AR8216_PHY
+ tristate "Driver for Atheros AR8216 switches"
+ select ETHERNET_PACKET_MANGLE
+ select SWCONFIG
+
+config AR8216_PHY_LEDS
+ bool "Atheros AR8216 switch LED support"
+ depends on (AR8216_PHY && LEDS_CLASS)
+
+source "drivers/net/phy/b53/Kconfig"
+
+config IP17XX_PHY
+ tristate "Driver for IC+ IP17xx switches"
+ select SWCONFIG
+
+config MVSWITCH_PHY
+ tristate "Driver for Marvell 88E6060 switches"
+ select ETHERNET_PACKET_MANGLE
+
+config MVSW61XX_PHY
+ tristate "Driver for Marvell 88E6171/6172 switches"
+ select SWCONFIG
+
+config PSB6970_PHY
+ tristate "Lantiq XWAY Tantos (PSB6970) Ethernet switch"
+ select SWCONFIG
+ select ETHERNET_PACKET_MANGLE
+
+config RTL8306_PHY
+ tristate "Driver for Realtek RTL8306S switches"
+ select SWCONFIG
+
+config RTL8366_SMI
+ tristate "Driver for the RTL8366 SMI interface"
+ depends on GPIOLIB
+ ---help---
+ This module implements the SMI interface protocol which is used
+ by some RTL8366 ethernet switch devices via the generic GPIO API.
+
+if RTL8366_SMI
+
+config RTL8366_SMI_DEBUG_FS
+ bool "RTL8366 SMI interface debugfs support"
+ depends on DEBUG_FS
+ default n
+
+config RTL8366S_PHY
+ tristate "Driver for the Realtek RTL8366S switch"
+ select SWCONFIG
+
+config RTL8366RB_PHY
+ tristate "Driver for the Realtek RTL8366RB switch"
+ select SWCONFIG
+
+config RTL8367_PHY
+ tristate "Driver for the Realtek RTL8367R/M switches"
+ select SWCONFIG
+
+config RTL8367B_PHY
+ tristate "Driver fot the Realtek RTL8367R-VB switch"
+ select SWCONFIG
+
+endif # RTL8366_SMI
+
comment "MII PHY device drivers"
config SFP
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -22,6 +22,21 @@ libphy-$(CONFIG_LED_TRIGGER_PHY) += phy_
obj-$(CONFIG_PHYLINK) += phylink.o
obj-$(CONFIG_PHYLIB) += libphy.o
+obj-$(CONFIG_SWCONFIG) += swconfig.o
+obj-$(CONFIG_ADM6996_PHY) += adm6996.o
+obj-$(CONFIG_AR8216_PHY) += ar8216.o ar8327.o
+obj-$(CONFIG_SWCONFIG_B53) += b53/
+obj-$(CONFIG_IP17XX_PHY) += ip17xx.o
+obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
+obj-$(CONFIG_MVSW61XX_PHY) += mvsw61xx.o
+obj-$(CONFIG_PSB6970_PHY) += psb6970.o
+obj-$(CONFIG_RTL8306_PHY) += rtl8306.o
+obj-$(CONFIG_RTL8366_SMI) += rtl8366_smi.o
+obj-$(CONFIG_RTL8366S_PHY) += rtl8366s.o
+obj-$(CONFIG_RTL8366RB_PHY) += rtl8366rb.o
+obj-$(CONFIG_RTL8367_PHY) += rtl8367.o
+obj-$(CONFIG_RTL8367B_PHY) += rtl8367b.o
+
obj-$(CONFIG_MDIO_BCM_IPROC) += mdio-bcm-iproc.o
obj-$(CONFIG_MDIO_BCM_UNIMAC) += mdio-bcm-unimac.o
obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
--- a/include/linux/platform_data/b53.h
+++ b/include/linux/platform_data/b53.h
@@ -29,6 +29,9 @@ struct b53_platform_data {
u32 chip_id;
u16 enabled_ports;
+ /* allow to specify an ethX alias */
+ const char *alias;
+
/* only used by MMAP'd driver */
unsigned big_endian:1;
void __iomem *regs;

27
target/linux/generic/hack-5.4/702-phy_add_aneg_done_function.patch Normal file
View File

@@ -0,0 +1,27 @@
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -555,6 +555,12 @@ struct phy_driver {
/* Determines the negotiated speed and duplex */
int (*read_status)(struct phy_device *phydev);
+ /*
+ * Update the value in phydev->link to reflect the
+ * current link value
+ */
+ int (*update_link)(struct phy_device *phydev);
+
/* Clears any pending interrupts */
int (*ack_interrupt)(struct phy_device *phydev);
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1577,6 +1577,9 @@ int genphy_update_link(struct phy_device
{
int status;
+ if (phydev->drv && phydev->drv->update_link)
+ return phydev->drv->update_link(phydev);
+
/* The link state is latched low so that momentary link
* drops can be detected. Do not double-read the status
* in polling mode to detect such short link drops.

176
target/linux/generic/hack-5.4/721-phy_packets.patch Normal file
View File

@@ -0,0 +1,176 @@
From ffe387740bbe88dd88bbe04d6375902708003d6e Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:25:00 +0200
Subject: net: add packet mangeling patch
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/linux/netdevice.h | 11 +++++++++++
include/linux/skbuff.h | 14 ++++----------
net/Kconfig | 6 ++++++
net/core/dev.c | 18 ++++++++++++++----
net/core/skbuff.c | 17 +++++++++++++++++
net/ethernet/eth.c | 6 ++++++
6 files changed, 58 insertions(+), 14 deletions(-)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1514,6 +1514,7 @@ enum netdev_priv_flags {
IFF_FAILOVER_SLAVE = 1<<28,
IFF_L3MDEV_RX_HANDLER = 1<<29,
IFF_LIVE_RENAME_OK = 1<<30,
+ IFF_NO_IP_ALIGN = 1<<31,
};
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
@@ -1546,6 +1547,7 @@ enum netdev_priv_flags {
#define IFF_FAILOVER_SLAVE IFF_FAILOVER_SLAVE
#define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER
#define IFF_LIVE_RENAME_OK IFF_LIVE_RENAME_OK
+#define IFF_NO_IP_ALIGN IFF_NO_IP_ALIGN
/**
* struct net_device - The DEVICE structure.
@@ -1846,6 +1848,11 @@ struct net_device {
const struct tlsdev_ops *tlsdev_ops;
#endif
+#ifdef CONFIG_ETHERNET_PACKET_MANGLE
+ void (*eth_mangle_rx)(struct net_device *dev, struct sk_buff *skb);
+ struct sk_buff *(*eth_mangle_tx)(struct net_device *dev, struct sk_buff *skb);
+#endif
+
const struct header_ops *header_ops;
unsigned int flags;
@@ -1928,6 +1935,10 @@ struct net_device {
struct mpls_dev __rcu *mpls_ptr;
#endif
+#ifdef CONFIG_ETHERNET_PACKET_MANGLE
+ void *phy_ptr; /* PHY device specific data */
+#endif
+
/*
* Cache lines mostly used on receive path (including eth_type_trans())
*/
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2547,6 +2547,10 @@ static inline int pskb_trim(struct sk_bu
return (len < skb->len) ? __pskb_trim(skb, len) : 0;
}
+extern struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
+ unsigned int length, gfp_t gfp);
+
+
/**
* pskb_trim_unique - remove end from a paged unique (not cloned) buffer
* @skb: buffer to alter
@@ -2678,16 +2682,6 @@ static inline struct sk_buff *dev_alloc_
}
-static inline struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
- unsigned int length, gfp_t gfp)
-{
- struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
-
- if (NET_IP_ALIGN && skb)
- skb_reserve(skb, NET_IP_ALIGN);
- return skb;
-}
-
static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
unsigned int length)
{
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -25,6 +25,12 @@ menuconfig NET
if NET
+config ETHERNET_PACKET_MANGLE
+ bool
+ help
+ This option can be selected by phy drivers that need to mangle
+ packets going in or out of an ethernet device.
+
config WANT_COMPAT_NETLINK_MESSAGES
bool
help
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3253,10 +3253,20 @@ static int xmit_one(struct sk_buff *skb,
if (!list_empty(&ptype_all) || !list_empty(&dev->ptype_all))
dev_queue_xmit_nit(skb, dev);
- len = skb->len;
- trace_net_dev_start_xmit(skb, dev);
- rc = netdev_start_xmit(skb, dev, txq, more);
- trace_net_dev_xmit(skb, rc, dev, len);
+#ifdef CONFIG_ETHERNET_PACKET_MANGLE
+ if (!dev->eth_mangle_tx ||
+ (skb = dev->eth_mangle_tx(dev, skb)) != NULL)
+#else
+ if (1)
+#endif
+ {
+ len = skb->len;
+ trace_net_dev_start_xmit(skb, dev);
+ rc = netdev_start_xmit(skb, dev, txq, more);
+ trace_net_dev_xmit(skb, rc, dev, len);
+ } else {
+ rc = NETDEV_TX_OK;
+ }
return rc;
}
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -63,6 +63,7 @@
#include <linux/errqueue.h>
#include <linux/prefetch.h>
#include <linux/if_vlan.h>
+#include <linux/if.h>
#include <net/protocol.h>
#include <net/dst.h>
@@ -503,6 +504,22 @@ skb_fail:
}
EXPORT_SYMBOL(__napi_alloc_skb);
+struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
+ unsigned int length, gfp_t gfp)
+{
+ struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
+
+#ifdef CONFIG_ETHERNET_PACKET_MANGLE
+ if (dev && (dev->priv_flags & IFF_NO_IP_ALIGN))
+ return skb;
+#endif
+
+ if (NET_IP_ALIGN && skb)
+ skb_reserve(skb, NET_IP_ALIGN);
+ return skb;
+}
+EXPORT_SYMBOL(__netdev_alloc_skb_ip_align);
+
void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off,
int size, unsigned int truesize)
{
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -172,6 +172,12 @@ __be16 eth_type_trans(struct sk_buff *sk
const struct ethhdr *eth;
skb->dev = dev;
+
+#ifdef CONFIG_ETHERNET_PACKET_MANGLE
+ if (dev->eth_mangle_rx)
+ dev->eth_mangle_rx(dev, skb);
+#endif
+
skb_reset_mac_header(skb);
eth = (struct ethhdr *)skb->data;

98
target/linux/generic/hack-5.4/773-bgmac-add-srab-switch.patch Normal file
View File

@@ -0,0 +1,98 @@
From 3cb240533ab787899dc7f17aa7d6c5b4810e2e58 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Fri, 7 Jul 2017 17:26:01 +0200
Subject: bcm53xx: bgmac: use srab switch driver
use the srab switch driver on these SoCs.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/net/ethernet/broadcom/bgmac-bcma.c | 1 +
drivers/net/ethernet/broadcom/bgmac.c | 24 ++++++++++++++++++++++++
drivers/net/ethernet/broadcom/bgmac.h | 4 ++++
3 files changed, 29 insertions(+)
--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
@@ -268,6 +268,7 @@ static int bgmac_probe(struct bcma_devic
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
+ bgmac->feature_flags |= BGMAC_FEAT_SRAB;
break;
default:
bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -12,6 +12,7 @@
#include <linux/bcma/bcma.h>
#include <linux/etherdevice.h>
#include <linux/interrupt.h>
+#include <linux/platform_data/b53.h>
#include <linux/bcm47xx_nvram.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
@@ -1409,6 +1410,17 @@ static const struct ethtool_ops bgmac_et
.set_link_ksettings = phy_ethtool_set_link_ksettings,
};
+static struct b53_platform_data bgmac_b53_pdata = {
+};
+
+static struct platform_device bgmac_b53_dev = {
+ .name = "b53-srab-switch",
+ .id = -1,
+ .dev = {
+ .platform_data = &bgmac_b53_pdata,
+ },
+};
+
/**************************************************
* MII
**************************************************/
@@ -1540,6 +1552,14 @@ int bgmac_enet_probe(struct bgmac *bgmac
net_dev->hw_features = net_dev->features;
net_dev->vlan_features = net_dev->features;
+ if ((bgmac->feature_flags & BGMAC_FEAT_SRAB) && !bgmac_b53_pdata.regs) {
+ bgmac_b53_pdata.regs = ioremap_nocache(0x18007000, 0x1000);
+
+ err = platform_device_register(&bgmac_b53_dev);
+ if (!err)
+ bgmac->b53_device = &bgmac_b53_dev;
+ }
+
err = register_netdev(bgmac->net_dev);
if (err) {
dev_err(bgmac->dev, "Cannot register net device\n");
@@ -1562,6 +1582,10 @@ EXPORT_SYMBOL_GPL(bgmac_enet_probe);
void bgmac_enet_remove(struct bgmac *bgmac)
{
+ if (bgmac->b53_device)
+ platform_device_unregister(&bgmac_b53_dev);
+ bgmac->b53_device = NULL;
+
unregister_netdev(bgmac->net_dev);
phy_disconnect(bgmac->net_dev->phydev);
netif_napi_del(&bgmac->napi);
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -427,6 +427,7 @@
#define BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII BIT(18)
#define BGMAC_FEAT_CC7_IF_TYPE_RGMII BIT(19)
#define BGMAC_FEAT_IDM_MASK BIT(20)
+#define BGMAC_FEAT_SRAB BIT(21)
struct bgmac_slot_info {
union {
@@ -532,6 +533,9 @@ struct bgmac {
void (*cmn_maskset32)(struct bgmac *bgmac, u16 offset, u32 mask,
u32 set);
int (*phy_connect)(struct bgmac *bgmac);
+
+ /* platform device for associated switch */
+ struct platform_device *b53_device;
};
struct bgmac *bgmac_alloc(struct device *dev);

136
target/linux/generic/hack-5.4/901-debloat_sock_diag.patch Normal file
View File

@@ -0,0 +1,136 @@
From 3b6115d6b57a263bdc8c9b1df273bd4a7955eead Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 8 Jul 2017 08:16:31 +0200
Subject: debloat: add some debloat patches, strip down procfs and make O_DIRECT support optional, saves ~15K after lzma on MIPS
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
net/Kconfig | 3 +++
net/core/Makefile | 3 ++-
net/core/sock.c | 2 ++
net/ipv4/Kconfig | 1 +
net/netlink/Kconfig | 1 +
net/packet/Kconfig | 1 +
net/unix/Kconfig | 1 +
7 files changed, 11 insertions(+), 1 deletion(-)
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -98,6 +98,9 @@ source "net/netlabel/Kconfig"
endif # if INET
+config SOCK_DIAG
+ bool
+
config NETWORK_SECMARK
bool "Security Marking"
help
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -10,9 +10,10 @@ obj-$(CONFIG_SYSCTL) += sysctl_net_core.
obj-y += dev.o ethtool.o dev_addr_lists.o dst.o netevent.o \
neighbour.o rtnetlink.o utils.o link_watch.o filter.o \
- sock_diag.o dev_ioctl.o tso.o sock_reuseport.o \
+ dev_ioctl.o tso.o sock_reuseport.o \
fib_notifier.o xdp.o
+obj-$(CONFIG_SOCK_DIAG) += sock_diag.o
obj-y += net-sysfs.o
obj-$(CONFIG_PAGE_POOL) += page_pool.o
obj-$(CONFIG_PROC_FS) += net-procfs.o
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -490,6 +490,18 @@ discard_and_relse:
}
EXPORT_SYMBOL(__sk_receive_skb);
+u64 sock_gen_cookie(struct sock *sk)
+{
+ while (1) {
+ u64 res = atomic64_read(&sk->sk_cookie);
+
+ if (res)
+ return res;
+ res = atomic64_inc_return(&sock_net(sk)->cookie_gen);
+ atomic64_cmpxchg(&sk->sk_cookie, 0, res);
+ }
+}
+
struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie)
{
struct dst_entry *dst = __sk_dst_get(sk);
@@ -1603,9 +1615,11 @@ static void __sk_free(struct sock *sk)
if (likely(sk->sk_net_refcnt))
sock_inuse_add(sock_net(sk), -1);
+#ifdef CONFIG_SOCK_DIAG
if (unlikely(sk->sk_net_refcnt && sock_diag_has_destroy_listeners(sk)))
sock_diag_broadcast_destroy(sk);
else
+#endif
sk_destruct(sk);
}
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -20,18 +20,6 @@ static int (*inet_rcv_compat)(struct sk_
static DEFINE_MUTEX(sock_diag_table_mutex);
static struct workqueue_struct *broadcast_wq;
-u64 sock_gen_cookie(struct sock *sk)
-{
- while (1) {
- u64 res = atomic64_read(&sk->sk_cookie);
-
- if (res)
- return res;
- res = atomic64_inc_return(&sock_net(sk)->cookie_gen);
- atomic64_cmpxchg(&sk->sk_cookie, 0, res);
- }
-}
-
int sock_diag_check_cookie(struct sock *sk, const __u32 *cookie)
{
u64 res;
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -425,6 +425,7 @@ config INET_XFRM_MODE_BEET
config INET_DIAG
tristate "INET: socket monitoring interface"
+ select SOCK_DIAG
default y
---help---
Support for INET (TCP, DCCP, etc) socket monitoring interface used by
--- a/net/netlink/Kconfig
+++ b/net/netlink/Kconfig
@@ -4,6 +4,7 @@
config NETLINK_DIAG
tristate "NETLINK: socket monitoring interface"
+ select SOCK_DIAG
default n
---help---
Support for NETLINK socket monitoring interface used by the ss tool.
--- a/net/packet/Kconfig
+++ b/net/packet/Kconfig
@@ -18,6 +18,7 @@ config PACKET
config PACKET_DIAG
tristate "Packet: sockets monitoring interface"
depends on PACKET
+ select SOCK_DIAG
default n
---help---
Support for PF_PACKET sockets monitoring interface used by the ss tool.
--- a/net/unix/Kconfig
+++ b/net/unix/Kconfig
@@ -22,6 +22,7 @@ config UNIX
config UNIX_DIAG
tristate "UNIX: socket monitoring interface"
depends on UNIX
+ select SOCK_DIAG
default n
---help---
Support for UNIX socket monitoring interface used by the ss tool.

405
target/linux/generic/hack-5.4/902-debloat_proc.patch Normal file
View File

@@ -0,0 +1,405 @@
From 9e3f1d0805b2d919904dd9a4ff0d956314cc3cba Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 8 Jul 2017 08:20:09 +0200
Subject: debloat: procfs
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
fs/locks.c | 2 ++
fs/proc/Kconfig | 5 +++++
fs/proc/consoles.c | 3 +++
fs/proc/proc_tty.c | 11 ++++++++++-
include/net/snmp.h | 18 +++++++++++++++++-
ipc/msg.c | 3 +++
ipc/sem.c | 2 ++
ipc/shm.c | 2 ++
ipc/util.c | 3 +++
kernel/exec_domain.c | 2 ++
kernel/irq/proc.c | 9 +++++++++
kernel/time/timer_list.c | 2 ++
mm/vmalloc.c | 2 ++
mm/vmstat.c | 8 +++++---
net/8021q/vlanproc.c | 6 ++++++
net/core/net-procfs.c | 18 ++++++++++++------
net/core/sock.c | 2 ++
net/ipv4/fib_trie.c | 18 ++++++++++++------
net/ipv4/proc.c | 3 +++
net/ipv4/route.c | 3 +++
20 files changed, 105 insertions(+), 17 deletions(-)
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2786,6 +2786,8 @@ static const struct seq_operations locks
static int __init proc_locks_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
proc_create_seq_private("locks", 0, NULL, &locks_seq_operations,
sizeof(struct locks_iterator), NULL);
return 0;
--- a/fs/proc/Kconfig
+++ b/fs/proc/Kconfig
@@ -97,3 +97,8 @@ config PROC_CHILDREN
Say Y if you are running any user-space software which takes benefit from
this interface. For example, rkt is such a piece of software.
+
+config PROC_STRIPPED
+ default n
+ depends on EXPERT
+ bool "Strip non-essential /proc functionality to reduce code size"
--- a/fs/proc/consoles.c
+++ b/fs/proc/consoles.c
@@ -93,6 +93,9 @@ static const struct seq_operations conso
static int __init proc_consoles_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
+
proc_create_seq("consoles", 0, NULL, &consoles_op);
return 0;
}
--- a/fs/proc/proc_tty.c
+++ b/fs/proc/proc_tty.c
@@ -133,7 +133,10 @@ static const struct seq_operations tty_d
void proc_tty_register_driver(struct tty_driver *driver)
{
struct proc_dir_entry *ent;
-
+
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return;
+
if (!driver->driver_name || driver->proc_entry ||
!driver->ops->proc_show)
return;
@@ -150,6 +153,9 @@ void proc_tty_unregister_driver(struct t
{
struct proc_dir_entry *ent;
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return;
+
ent = driver->proc_entry;
if (!ent)
return;
@@ -164,6 +170,9 @@ void proc_tty_unregister_driver(struct t
*/
void __init proc_tty_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return;
+
if (!proc_mkdir("tty", NULL))
return;
proc_mkdir("tty/ldisc", NULL); /* Preserved: it's userspace visible */
--- a/include/net/snmp.h
+++ b/include/net/snmp.h
@@ -123,6 +123,21 @@ struct linux_xfrm_mib {
#define DECLARE_SNMP_STAT(type, name) \
extern __typeof__(type) __percpu *name
+#ifdef CONFIG_PROC_STRIPPED
+#define __SNMP_STATS_DUMMY(mib) \
+ do { (void) mib->mibs[0]; } while(0)
+
+#define __SNMP_INC_STATS(mib, field) __SNMP_STATS_DUMMY(mib)
+#define SNMP_INC_STATS_ATOMIC_LONG(mib, field) __SNMP_STATS_DUMMY(mib)
+#define SNMP_INC_STATS(mib, field) __SNMP_STATS_DUMMY(mib)
+#define SNMP_DEC_STATS(mib, field) __SNMP_STATS_DUMMY(mib)
+#define __SNMP_ADD_STATS(mib, field, addend) __SNMP_STATS_DUMMY(mib)
+#define SNMP_ADD_STATS(mib, field, addend) __SNMP_STATS_DUMMY(mib)
+#define SNMP_UPD_PO_STATS(mib, basefield, addend) __SNMP_STATS_DUMMY(mib)
+#define __SNMP_UPD_PO_STATS(mib, basefield, addend) __SNMP_STATS_DUMMY(mib)
+
+#else
+
#define __SNMP_INC_STATS(mib, field) \
__this_cpu_inc(mib->mibs[field])
@@ -153,8 +168,9 @@ struct linux_xfrm_mib {
__this_cpu_add(ptr[basefield##OCTETS], addend); \
} while (0)
+#endif
-#if BITS_PER_LONG==32
+#if (BITS_PER_LONG==32) && !defined(CONFIG_PROC_STRIPPED)
#define __SNMP_ADD_STATS64(mib, field, addend) \
do { \
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -1292,6 +1292,9 @@ void __init msg_init(void)
{
msg_init_ns(&init_ipc_ns);
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return;
+
ipc_init_proc_interface("sysvipc/msg",
" key msqid perms cbytes qnum lspid lrpid uid gid cuid cgid stime rtime ctime\n",
IPC_MSG_IDS, sysvipc_msg_proc_show);
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -243,6 +243,8 @@ void sem_exit_ns(struct ipc_namespace *n
void __init sem_init(void)
{
sem_init_ns(&init_ipc_ns);
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return;
ipc_init_proc_interface("sysvipc/sem",
" key semid perms nsems uid gid cuid cgid otime ctime\n",
IPC_SEM_IDS, sysvipc_sem_proc_show);
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -144,6 +144,8 @@ pure_initcall(ipc_ns_init);
void __init shm_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return;
ipc_init_proc_interface("sysvipc/shm",
#if BITS_PER_LONG <= 32
" key shmid perms size cpid lpid nattch uid gid cuid cgid atime dtime ctime rss swap\n",
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -140,6 +140,9 @@ void __init ipc_init_proc_interface(cons
struct proc_dir_entry *pde;
struct ipc_proc_iface *iface;
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return;
+
iface = kmalloc(sizeof(*iface), GFP_KERNEL);
if (!iface)
return;
--- a/kernel/exec_domain.c
+++ b/kernel/exec_domain.c
@@ -29,6 +29,8 @@ static int execdomains_proc_show(struct
static int __init proc_execdomains_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
proc_create_single("execdomains", 0, NULL, execdomains_proc_show);
return 0;
}
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -333,6 +333,9 @@ void register_irq_proc(unsigned int irq,
void __maybe_unused *irqp = (void *)(unsigned long) irq;
char name [MAX_NAMELEN];
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED) && !IS_ENABLED(CONFIG_SMP))
+ return;
+
if (!root_irq_dir || (desc->irq_data.chip == &no_irq_chip))
return;
@@ -386,6 +389,9 @@ void unregister_irq_proc(unsigned int ir
{
char name [MAX_NAMELEN];
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED) && !IS_ENABLED(CONFIG_SMP))
+ return;
+
if (!root_irq_dir || !desc->dir)
return;
#ifdef CONFIG_SMP
@@ -424,6 +430,9 @@ void init_irq_proc(void)
unsigned int irq;
struct irq_desc *desc;
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED) && !IS_ENABLED(CONFIG_SMP))
+ return;
+
/* create /proc/irq */
root_irq_dir = proc_mkdir("irq", NULL);
if (!root_irq_dir)
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -375,6 +375,8 @@ static int __init init_timer_list_procfs
{
struct proc_dir_entry *pe;
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
pe = proc_create_seq_private("timer_list", 0400, NULL, &timer_list_sops,
sizeof(struct timer_list_iter), NULL);
if (!pe)
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2749,6 +2749,8 @@ static const struct seq_operations vmall
static int __init proc_vmalloc_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
if (IS_ENABLED(CONFIG_NUMA))
proc_create_seq_private("vmallocinfo", 0400, NULL,
&vmalloc_op,
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1972,10 +1972,12 @@ void __init init_mm_internals(void)
start_shepherd_timer();
#endif
#ifdef CONFIG_PROC_FS
- proc_create_seq("buddyinfo", 0444, NULL, &fragmentation_op);
- proc_create_seq("pagetypeinfo", 0400, NULL, &pagetypeinfo_op);
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED)) {
+ proc_create_seq("buddyinfo", 0444, NULL, &fragmentation_op);
+ proc_create_seq("pagetypeinfo", 0400, NULL, &pagetypeinfo_op);
+ proc_create_seq("zoneinfo", 0444, NULL, &zoneinfo_op);
+ }
proc_create_seq("vmstat", 0444, NULL, &vmstat_op);
- proc_create_seq("zoneinfo", 0444, NULL, &zoneinfo_op);
#endif
}
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -96,6 +96,9 @@ void vlan_proc_cleanup(struct net *net)
{
struct vlan_net *vn = net_generic(net, vlan_net_id);
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return;
+
if (vn->proc_vlan_conf)
remove_proc_entry(name_conf, vn->proc_vlan_dir);
@@ -115,6 +118,9 @@ int __net_init vlan_proc_init(struct net
{
struct vlan_net *vn = net_generic(net, vlan_net_id);
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
+
vn->proc_vlan_dir = proc_net_mkdir(net, name_root, net->proc_net);
if (!vn->proc_vlan_dir)
goto err;
--- a/net/core/net-procfs.c
+++ b/net/core/net-procfs.c
@@ -279,10 +279,12 @@ static int __net_init dev_proc_net_init(
if (!proc_create_net("dev", 0444, net->proc_net, &dev_seq_ops,
sizeof(struct seq_net_private)))
goto out;
- if (!proc_create_seq("softnet_stat", 0444, net->proc_net,
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
+ !proc_create_seq("softnet_stat", 0444, net->proc_net,
&softnet_seq_ops))
goto out_dev;
- if (!proc_create_net("ptype", 0444, net->proc_net, &ptype_seq_ops,
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
+ !proc_create_net("ptype", 0444, net->proc_net, &ptype_seq_ops,
sizeof(struct seq_net_private)))
goto out_softnet;
@@ -292,9 +294,11 @@ static int __net_init dev_proc_net_init(
out:
return rc;
out_ptype:
- remove_proc_entry("ptype", net->proc_net);
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED))
+ remove_proc_entry("ptype", net->proc_net);
out_softnet:
- remove_proc_entry("softnet_stat", net->proc_net);
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED))
+ remove_proc_entry("softnet_stat", net->proc_net);
out_dev:
remove_proc_entry("dev", net->proc_net);
goto out;
@@ -304,8 +308,10 @@ static void __net_exit dev_proc_net_exit
{
wext_proc_exit(net);
- remove_proc_entry("ptype", net->proc_net);
- remove_proc_entry("softnet_stat", net->proc_net);
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED)) {
+ remove_proc_entry("ptype", net->proc_net);
+ remove_proc_entry("softnet_stat", net->proc_net);
+ }
remove_proc_entry("dev", net->proc_net);
}
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3486,6 +3486,8 @@ static __net_initdata struct pernet_oper
static int __init proto_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
return register_pernet_subsys(&proto_net_ops);
}
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2717,11 +2717,13 @@ static const struct seq_operations fib_r
int __net_init fib_proc_init(struct net *net)
{
- if (!proc_create_net("fib_trie", 0444, net->proc_net, &fib_trie_seq_ops,
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
+ !proc_create_net("fib_trie", 0444, net->proc_net, &fib_trie_seq_ops,
sizeof(struct fib_trie_iter)))
goto out1;
- if (!proc_create_net_single("fib_triestat", 0444, net->proc_net,
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
+ !proc_create_net_single("fib_triestat", 0444, net->proc_net,
fib_triestat_seq_show, NULL))
goto out2;
@@ -2732,17 +2734,21 @@ int __net_init fib_proc_init(struct net
return 0;
out3:
- remove_proc_entry("fib_triestat", net->proc_net);
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED))
+ remove_proc_entry("fib_triestat", net->proc_net);
out2:
- remove_proc_entry("fib_trie", net->proc_net);
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED))
+ remove_proc_entry("fib_trie", net->proc_net);
out1:
return -ENOMEM;
}
void __net_exit fib_proc_exit(struct net *net)
{
- remove_proc_entry("fib_trie", net->proc_net);
- remove_proc_entry("fib_triestat", net->proc_net);
+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED)) {
+ remove_proc_entry("fib_trie", net->proc_net);
+ remove_proc_entry("fib_triestat", net->proc_net);
+ }
remove_proc_entry("route", net->proc_net);
}
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -524,5 +524,8 @@ static __net_initdata struct pernet_oper
int __init ip_misc_proc_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
+
return register_pernet_subsys(&ip_proc_ops);
}
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -411,6 +411,9 @@ static struct pernet_operations ip_rt_pr
static int __init ip_rt_proc_init(void)
{
+ if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+ return 0;
+
return register_pernet_subsys(&ip_rt_proc_ops);
}

64
target/linux/generic/hack-5.4/904-debloat_dma_buf.patch Normal file
View File

@@ -0,0 +1,64 @@
From e3692cb2fcd5ba1244512a0f43b8118f65f1c375 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 8 Jul 2017 08:20:43 +0200
Subject: debloat: dmabuf
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/base/Kconfig | 2 +-
drivers/dma-buf/Makefile | 10 +++++++---
drivers/dma-buf/dma-buf.c | 4 +++-
kernel/sched/core.c | 1 +
4 files changed, 12 insertions(+), 5 deletions(-)
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -172,7 +172,7 @@ config SOC_BUS
source "drivers/base/regmap/Kconfig"
config DMA_SHARED_BUFFER
- bool
+ tristate
default n
select ANON_INODES
select IRQ_WORK
--- a/drivers/dma-buf/Makefile
+++ b/drivers/dma-buf/Makefile
@@ -1,3 +1,7 @@
-obj-y := dma-buf.o dma-fence.o dma-fence-array.o reservation.o seqno-fence.o
-obj-$(CONFIG_SYNC_FILE) += sync_file.o
-obj-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
+obj-$(CONFIG_DMA_SHARED_BUFFER) := dma-shared-buffer.o
+
+dma-buf-objs-y := dma-buf.o dma-fence.o dma-fence-array.o reservation.o seqno-fence.o
+dma-buf-objs-$(CONFIG_SYNC_FILE) += sync_file.o
+dma-buf-objs-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
+
+dma-shared-buffer-objs := $(dma-buf-objs-y)
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -34,6 +34,7 @@
#include <linux/poll.h>
#include <linux/reservation.h>
#include <linux/mm.h>
+#include <linux/module.h>
#include <uapi/linux/dma-buf.h>
@@ -1159,4 +1160,5 @@ static void __exit dma_buf_deinit(void)
{
dma_buf_uninit_debugfs();
}
-__exitcall(dma_buf_deinit);
+module_exit(dma_buf_deinit);
+MODULE_LICENSE("GPL");
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2129,6 +2129,7 @@ int wake_up_state(struct task_struct *p,
{
return try_to_wake_up(p, state, 0);
}
+EXPORT_SYMBOL_GPL(wake_up_state);
/*
* Perform scheduler related setup for a newly forked process p.

32
target/linux/generic/hack-5.4/910-kobject_uevent.patch Normal file
View File

@@ -0,0 +1,32 @@
From 0d37e6edc09c99e683dd91ca0e83bbc0df8477b3 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sun, 16 Jul 2017 16:56:10 +0200
Subject: lib: add uevent_next_seqnum()
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/linux/kobject.h | 5 +++++
lib/kobject_uevent.c | 37 +++++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+)
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -179,6 +179,18 @@ out:
return r;
}
+u64 uevent_next_seqnum(void)
+{
+ u64 seq;
+
+ mutex_lock(&uevent_sock_mutex);
+ seq = ++uevent_seqnum;
+ mutex_unlock(&uevent_sock_mutex);
+
+ return seq;
+}
+EXPORT_SYMBOL_GPL(uevent_next_seqnum);
+
/**
* kobject_synth_uevent - send synthetic uevent with arguments
*

76
target/linux/generic/hack-5.4/911-kobject_add_broadcast_uevent.patch Normal file
View File

@@ -0,0 +1,76 @@
From 0d37e6edc09c99e683dd91ca0e83bbc0df8477b3 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sun, 16 Jul 2017 16:56:10 +0200
Subject: lib: add uevent_next_seqnum()
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/linux/kobject.h | 5 +++++
lib/kobject_uevent.c | 37 +++++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+)
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -32,6 +32,8 @@
#define UEVENT_NUM_ENVP 32 /* number of env pointers */
#define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */
+struct sk_buff;
+
#ifdef CONFIG_UEVENT_HELPER
/* path to the userspace helper executed on an event */
extern char uevent_helper[];
@@ -244,4 +246,7 @@ int kobject_synth_uevent(struct kobject
__printf(2, 3)
int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...);
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+ gfp_t allocation);
+
#endif /* _KOBJECT_H_ */
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -688,6 +688,43 @@ int add_uevent_var(struct kobj_uevent_en
EXPORT_SYMBOL_GPL(add_uevent_var);
#if defined(CONFIG_NET)
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+ gfp_t allocation)
+{
+ struct uevent_sock *ue_sk;
+ int err = 0;
+
+ /* send netlink message */
+ mutex_lock(&uevent_sock_mutex);
+ list_for_each_entry(ue_sk, &uevent_sock_list, list) {
+ struct sock *uevent_sock = ue_sk->sk;
+ struct sk_buff *skb2;
+
+ skb2 = skb_clone(skb, allocation);
+ if (!skb2)
+ break;
+
+ err = netlink_broadcast(uevent_sock, skb2, pid, group,
+ allocation);
+ if (err)
+ break;
+ }
+ mutex_unlock(&uevent_sock_mutex);
+
+ kfree_skb(skb);
+ return err;
+}
+#else
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+ gfp_t allocation)
+{
+ kfree_skb(skb);
+ return 0;
+}
+#endif
+EXPORT_SYMBOL_GPL(broadcast_uevent);
+
+#if defined(CONFIG_NET)
static int uevent_net_broadcast(struct sock *usk, struct sk_buff *skb,
struct netlink_ext_ack *extack)
{

40
target/linux/generic/hack-5.4/921-always-create-console-node-in-initramfs.patch Normal file
View File

@@ -0,0 +1,40 @@
From 5d301596fdc72f6cb672f72eb3c66e7cddefb103 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 8 Jul 2017 08:26:02 +0200
Subject: initramfs: always create console node
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
usr/gen_initramfs_list.sh | 14 ++++++++++++++
1 file changed, 14 insertions(+)
--- a/usr/gen_initramfs_list.sh
+++ b/usr/gen_initramfs_list.sh
@@ -59,6 +59,18 @@ default_initramfs() {
EOF
}
+list_openwrt_initramfs() {
+ :
+}
+
+openwrt_initramfs() {
+ # make sure that /dev/console exists
+ cat <<-EOF >> ${output}
+ dir /dev 0755 0 0
+ nod /dev/console 0600 0 0 c 5 1
+ EOF
+}
+
filetype() {
local argv1="$1"
@@ -180,6 +192,8 @@ dir_filelist() {
if [ "$(echo "${dirlist}" | wc -l)" -gt 1 ]; then
${dep_list}print_mtime "$1"
+ ${dep_list}openwrt_initramfs
+
echo "${dirlist}" | \
while read x; do
${dep_list}parse ${x}

338
target/linux/generic/hack-5.4/930-crashlog.patch Normal file
View File

@@ -0,0 +1,338 @@
From 6b1ab74a9917012d0c559edc4ed299d9228ac89f Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 8 Jul 2017 08:26:47 +0200
Subject: kernel: add the new 'crashlog' feature
this tries to store kernel oops/panic logs in a fixed location in RAM to
recover them available to user space using debugfs
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/linux/crashlog.h | 17 ++++
init/Kconfig | 4 +
kernel/Makefile | 1 +
kernel/crashlog.c | 213 +++++++++++++++++++++++++++++++++++++++++++++++
kernel/module.c | 3 +
mm/bootmem.c | 2 +
mm/memblock.c | 5 ++
7 files changed, 245 insertions(+)
create mode 100644 include/linux/crashlog.h
create mode 100644 kernel/crashlog.c
--- /dev/null
+++ b/include/linux/crashlog.h
@@ -0,0 +1,17 @@
+#ifndef __CRASHLOG_H
+#define __CRASHLOG_H
+
+#ifdef CONFIG_CRASHLOG
+void crashlog_init_bootmem(struct bootmem_data *bdata);
+void crashlog_init_memblock(phys_addr_t addr, phys_addr_t size);
+#else
+static inline void crashlog_init_bootmem(struct bootmem_data *bdata)
+{
+}
+
+static inline void crashlog_init_memblock(phys_addr_t addr, phys_addr_t size)
+{
+}
+#endif
+
+#endif
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1049,6 +1049,10 @@ config RELAY
If unsure, say N.
+config CRASHLOG
+ bool "Crash logging"
+ depends on (!NO_BOOTMEM || HAVE_MEMBLOCK)
+
config BLK_DEV_INITRD
bool "Initial RAM filesystem and RAM disk (initramfs/initrd) support"
help
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -114,6 +114,7 @@ obj-$(CONFIG_TORTURE_TEST) += torture.o
obj-$(CONFIG_HAS_IOMEM) += iomem.o
obj-$(CONFIG_ZONE_DEVICE) += memremap.o
obj-$(CONFIG_RSEQ) += rseq.o
+obj-$(CONFIG_CRASHLOG) += crashlog.o
$(obj)/configs.o: $(obj)/config_data.h
--- /dev/null
+++ b/kernel/crashlog.c
@@ -0,0 +1,213 @@
+/*
+ * Crash information logger
+ * Copyright (C) 2010 Felix Fietkau <nbd@nbd.name>
+ *
+ * Based on ramoops.c
+ * Copyright (C) 2010 Marco Stornelli <marco.stornelli@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/bootmem.h>
+#include <linux/memblock.h>
+#include <linux/debugfs.h>
+#include <linux/crashlog.h>
+#include <linux/kmsg_dump.h>
+#include <linux/module.h>
+#include <linux/pfn.h>
+#include <linux/vmalloc.h>
+#include <asm/io.h>
+
+#define CRASHLOG_PAGES 4
+#define CRASHLOG_SIZE (CRASHLOG_PAGES * PAGE_SIZE)
+#define CRASHLOG_MAGIC 0xa1eedead
+
+/*
+ * Start the log at 1M before the end of RAM, as some boot loaders like
+ * to use the end of the RAM for stack usage and other things
+ * If this fails, fall back to using the last part.
+ */
+#define CRASHLOG_OFFSET (1024 * 1024)
+
+struct crashlog_data {
+ u32 magic;
+ u32 len;
+ u8 data[];
+};
+
+static struct debugfs_blob_wrapper crashlog_blob;
+static unsigned long crashlog_addr = 0;
+static struct crashlog_data *crashlog_buf;
+static struct kmsg_dumper dump;
+static bool first = true;
+
+extern struct list_head *crashlog_modules;
+
+static bool crashlog_set_addr(phys_addr_t addr, phys_addr_t size)
+{
+ /* Limit to lower 64 MB to avoid highmem */
+ phys_addr_t limit = 64 * 1024 * 1024;
+
+ if (crashlog_addr)
+ return false;
+
+ if (addr > limit)
+ return false;
+
+ if (addr + size > limit)
+ size = limit - addr;
+
+ crashlog_addr = addr;
+
+ if (addr + size > CRASHLOG_OFFSET)
+ crashlog_addr += size - CRASHLOG_OFFSET;
+
+ return true;
+}
+
+#ifndef CONFIG_NO_BOOTMEM
+void __init crashlog_init_bootmem(bootmem_data_t *bdata)
+{
+ phys_addr_t start, end;
+
+ start = PFN_PHYS(bdata->node_low_pfn);
+ end = PFN_PHYS(bdata->node_min_pfn);
+ if (!crashlog_set_addr(start, end - start))
+ return;
+
+ if (reserve_bootmem(crashlog_addr, CRASHLOG_SIZE, BOOTMEM_EXCLUSIVE) < 0) {
+ printk("Crashlog failed to allocate RAM at address 0x%lx\n",
+ crashlog_addr);
+ crashlog_addr = 0;
+ }
+}
+#endif
+
+#ifdef CONFIG_HAVE_MEMBLOCK
+void __init_memblock crashlog_init_memblock(phys_addr_t addr, phys_addr_t size)
+{
+ if (!crashlog_set_addr(addr, size))
+ return;
+
+ if (memblock_reserve(crashlog_addr, CRASHLOG_SIZE)) {
+ printk("Crashlog failed to allocate RAM at address 0x%lx\n",
+ crashlog_addr);
+ crashlog_addr = 0;
+ }
+}
+#endif
+
+static void __init crashlog_copy(void)
+{
+ if (crashlog_buf->magic != CRASHLOG_MAGIC)
+ return;
+
+ if (!crashlog_buf->len || crashlog_buf->len >
+ CRASHLOG_SIZE - sizeof(*crashlog_buf))
+ return;
+
+ crashlog_blob.size = crashlog_buf->len;
+ crashlog_blob.data = kmemdup(crashlog_buf->data,
+ crashlog_buf->len, GFP_KERNEL);
+
+ debugfs_create_blob("crashlog", 0700, NULL, &crashlog_blob);
+}
+
+static int get_maxlen(void)
+{
+ return CRASHLOG_SIZE - sizeof(*crashlog_buf) - crashlog_buf->len;
+}
+
+static void crashlog_printf(const char *fmt, ...)
+{
+ va_list args;
+ int len = get_maxlen();
+
+ if (!len)
+ return;
+
+ va_start(args, fmt);
+ crashlog_buf->len += vscnprintf(
+ &crashlog_buf->data[crashlog_buf->len],
+ len, fmt, args);
+ va_end(args);
+}
+
+static void crashlog_do_dump(struct kmsg_dumper *dumper,
+ enum kmsg_dump_reason reason)
+{
+ struct timeval tv;
+ struct module *m;
+ char *buf;
+ size_t len;
+
+ if (!first)
+ crashlog_printf("\n===================================\n");
+
+ do_gettimeofday(&tv);
+ crashlog_printf("Time: %lu.%lu\n",
+ (long)tv.tv_sec, (long)tv.tv_usec);
+
+ if (first) {
+ crashlog_printf("Modules:");
+ list_for_each_entry(m, crashlog_modules, list) {
+ crashlog_printf("\t%s@%p+%x", m->name,
+ m->core_layout.base, m->core_layout.size,
+ m->init_layout.base, m->init_layout.size);
+ }
+ crashlog_printf("\n");
+ first = false;
+ }
+
+ buf = (char *)&crashlog_buf->data[crashlog_buf->len];
+
+ kmsg_dump_get_buffer(dumper, true, buf, get_maxlen(), &len);
+
+ crashlog_buf->len += len;
+}
+
+
+int __init crashlog_init_fs(void)
+{
+ struct page *pages[CRASHLOG_PAGES];
+ pgprot_t prot;
+ int i;
+
+ if (!crashlog_addr) {
+ printk("No memory allocated for crashlog\n");
+ return -ENOMEM;
+ }
+
+ printk("Crashlog allocated RAM at address 0x%lx\n", (unsigned long) crashlog_addr);
+ for (i = 0; i < CRASHLOG_PAGES; i++)
+ pages[i] = pfn_to_page((crashlog_addr >> PAGE_SHIFT) + i);
+
+ prot = pgprot_writecombine(PAGE_KERNEL);
+ crashlog_buf = vmap(pages, CRASHLOG_PAGES, VM_MAP, prot);
+
+ crashlog_copy();
+
+ crashlog_buf->magic = CRASHLOG_MAGIC;
+ crashlog_buf->len = 0;
+
+ dump.max_reason = KMSG_DUMP_OOPS;
+ dump.dump = crashlog_do_dump;
+ kmsg_dump_register(&dump);
+
+ return 0;
+}
+module_init(crashlog_init_fs);
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -251,6 +251,9 @@ static void mod_update_bounds(struct mod
#ifdef CONFIG_KGDB_KDB
struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */
#endif /* CONFIG_KGDB_KDB */
+#ifdef CONFIG_CRASHLOG
+struct list_head *crashlog_modules = &modules;
+#endif
static void module_assert_mutex(void)
{
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -15,6 +15,7 @@
#include <linux/export.h>
#include <linux/kmemleak.h>
#include <linux/range.h>
+#include <linux/crashlog.h>
#include <linux/bug.h>
#include <linux/io.h>
#include <linux/bootmem.h>
@@ -215,6 +216,7 @@ static unsigned long __init free_all_boo
if (!bdata->node_bootmem_map)
return 0;
+ crashlog_init_bootmem(bdata);
map = bdata->node_bootmem_map;
start = bdata->node_min_pfn;
end = bdata->node_low_pfn;
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -21,6 +21,7 @@
#include <linux/seq_file.h>
#include <linux/memblock.h>
#include <linux/bootmem.h>
+#include <linux/crashlog.h>
#include <asm/sections.h>
#include <linux/io.h>
@@ -547,6 +548,8 @@ static void __init_memblock memblock_ins
memblock_set_region_node(rgn, nid);
type->cnt++;
type->total_size += size;
+ if (type == &memblock.memory)
+ crashlog_init_memblock(base, size);
}
/**
@@ -586,6 +589,8 @@ int __init_memblock memblock_add_range(s
type->regions[0].flags = flags;
memblock_set_region_node(&type->regions[0], nid);
type->total_size = size;
+ if (type == &memblock.memory)
+ crashlog_init_memblock(base, size);
return 0;
}
repeat: