commits December 2011

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batman-adv; branch, master, updated. v2011.4.0-45-g24d65d3
by postmaster＠open-mesh.org 10 Dec '11

10 Dec '11

The following commit has been merged in the master branch: commit 24d65d307541b7d9bcbb09e58b9209bb20b2c721 Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Dec 9 10:18:27 2011 +0100 batman-adv: Generate config compatible with kbuild macros Linux 3.0-rc1-30-g2a11c8e introduced the macros IS_ENABLED, IS_BUILTIN and IS_MODULE that can be used to identify which state a tristate option had. The compat-autoconf.h needs to provide additional precompiler variables that these marcros can use. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/gen-compat-autoconf.sh b/gen-compat-autoconf.sh index 440accc..1a020c1 100755 --- a/gen-compat-autoconf.sh +++ b/gen-compat-autoconf.sh @@ -12,15 +12,22 @@ gen_config() { VALUE="${2}" echo "#undef ${KEY}" + echo "#undef __enabled_${KEY}" + echo "#undef __enabled_${KEY}_MODULE" case "${VALUE}" in y) echo "#define ${KEY} 1" + echo "#define __enabled_${KEY} 1" + echo "#define __enabled_${KEY}_MODULE 0" ;; m) echo "#define ${KEY} 1" + echo "#define __enabled_${KEY} 0" + echo "#define __enabled_${KEY}_MODULE 1" ;; n) - # leave it undefined + echo "#define __enabled_${KEY} 0" + echo "#define __enabled_${KEY}_MODULE 0" ;; *) echo "#define ${KEY} \"${VALUE}\"" -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-44-g9d3e1ff
by postmaster＠open-mesh.org 10 Dec '11

10 Dec '11

The following commit has been merged in the master branch: commit 9d3e1ff0603b62f6da4c8ac0657272f2a2e4d731 Author: Marek Lindner <lindner_marek(a)yahoo.de> Date: Wed Dec 7 18:02:50 2011 +0800 batman-adv: warn if added interface is part of a bridge Signed-off-by: Marek Lindner <lindner_marek(a)yahoo.de> diff --git a/compat.h b/compat.h index 6480614..194e70e 100644 --- a/compat.h +++ b/compat.h @@ -59,6 +59,7 @@ #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36) #define __rcu +#define IFF_BRIDGE_PORT 0 || (hard_iface->net_dev->br_port ? 1 : 0) #endif /* < KERNEL_VERSION(2, 6, 36) */ diff --git a/hard-interface.c b/hard-interface.c index d3e0e32..68b667c 100644 --- a/hard-interface.c +++ b/hard-interface.c @@ -281,6 +281,14 @@ int hardif_enable_interface(struct hard_iface *hard_iface, if (!atomic_inc_not_zero(&hard_iface->refcount)) goto out; + /* hard-interface is part of a bridge */ + if (hard_iface->net_dev->priv_flags & IFF_BRIDGE_PORT) + pr_err("You are about to enable batman-adv on '%s' which " + "already is part of a bridge. Unless you know exactly " + "what you are doing this is probably wrong and won't " + "work the way you think it would.\n", + hard_iface->net_dev->name); + soft_iface = dev_get_by_name(&init_net, iface_name); if (!soft_iface) { -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-43-g7ee2219
by postmaster＠open-mesh.org 10 Dec '11

10 Dec '11

The following commit has been merged in the master branch: commit 7ee2219da671262945ea88204a21cb5fbdb77ca9 Author: Martin Hundebøll <martin(a)hundeboll.net> Date: Thu Dec 8 13:32:41 2011 +0100 batman-adv: Move is_out_of_time() to main.h for general use Both translation tables and network coding use timeouts to do house keeping, so we might as well share the function used to compare a timestamp+timeout with current time. For readability and simplicity, the function is renamed to has_timed_out() and uses time_is_before_jiffies() instead of time_after(). Signed-off-by: Martin Hundebøll <martin(a)hundeboll.net> Signed-off-by: Marek Lindner <lindner_marek(a)yahoo.de> diff --git a/main.h b/main.h index 464439f..d305845 100644 --- a/main.h +++ b/main.h @@ -204,6 +204,17 @@ static inline int compare_eth(const void *data1, const void *data2) return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); } +/** + * has_timed_out - compares current time (jiffies) and timestamp + timeout + * @timestamp: base value to compare with (in jiffies) + * @timeout: added to base value before comparing (in milliseconds) + * + * Returns true if current time is after timestamp + timeout + */ +static inline bool has_timed_out(unsigned long timestamp, unsigned int timeout) +{ + return time_is_before_jiffies(timestamp + msecs_to_jiffies(timeout)); +} #define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) diff --git a/translation-table.c b/translation-table.c index 20d6628..d542b9d 100644 --- a/translation-table.c +++ b/translation-table.c @@ -108,14 +108,6 @@ static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv, } -static bool is_out_of_time(unsigned long starting_time, unsigned long timeout) -{ - unsigned long deadline; - deadline = starting_time + msecs_to_jiffies(timeout); - - return time_after(jiffies, deadline); -} - static void tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry) { if (atomic_dec_and_test(&tt_local_entry->common.refcount)) @@ -420,8 +412,8 @@ static void tt_local_purge(struct bat_priv *bat_priv) if (tt_local_entry->common.flags & TT_CLIENT_PENDING) continue; - if (!is_out_of_time(tt_local_entry->last_seen, - TT_LOCAL_TIMEOUT * 1000)) + if (!has_timed_out(tt_local_entry->last_seen, + TT_LOCAL_TIMEOUT * 1000)) continue; tt_local_set_pending(bat_priv, tt_local_entry, @@ -758,8 +750,8 @@ static void tt_global_roam_purge(struct bat_priv *bat_priv) common); if (!(tt_global_entry->common.flags & TT_CLIENT_ROAM)) continue; - if (!is_out_of_time(tt_global_entry->roam_at, - TT_CLIENT_ROAM_TIMEOUT * 1000)) + if (!has_timed_out(tt_global_entry->roam_at, + TT_CLIENT_ROAM_TIMEOUT * 1000)) continue; bat_dbg(DBG_TT, bat_priv, "Deleting global " @@ -978,8 +970,8 @@ static void tt_req_purge(struct bat_priv *bat_priv) spin_lock_bh(&bat_priv->tt_req_list_lock); list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) { - if (is_out_of_time(node->issued_at, - TT_REQUEST_TIMEOUT * 1000)) { + if (has_timed_out(node->issued_at, + TT_REQUEST_TIMEOUT * 1000)) { list_del(&node->list); kfree(node); } @@ -997,8 +989,8 @@ static struct tt_req_node *new_tt_req_node(struct bat_priv *bat_priv, spin_lock_bh(&bat_priv->tt_req_list_lock); list_for_each_entry(tt_req_node_tmp, &bat_priv->tt_req_list, list) { if (compare_eth(tt_req_node_tmp, orig_node) && - !is_out_of_time(tt_req_node_tmp->issued_at, - TT_REQUEST_TIMEOUT * 1000)) + !has_timed_out(tt_req_node_tmp->issued_at, + TT_REQUEST_TIMEOUT * 1000)) goto unlock; } @@ -1591,8 +1583,8 @@ static void tt_roam_purge(struct bat_priv *bat_priv) spin_lock_bh(&bat_priv->tt_roam_list_lock); list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) { - if (!is_out_of_time(node->first_time, - ROAMING_MAX_TIME * 1000)) + if (!has_timed_out(node->first_time, + ROAMING_MAX_TIME * 1000)) continue; list_del(&node->list); @@ -1619,8 +1611,8 @@ static bool tt_check_roam_count(struct bat_priv *bat_priv, if (!compare_eth(tt_roam_node->addr, client)) continue; - if (is_out_of_time(tt_roam_node->first_time, - ROAMING_MAX_TIME * 1000)) + if (has_timed_out(tt_roam_node->first_time, + ROAMING_MAX_TIME * 1000)) continue; if (!atomic_dec_not_zero(&tt_roam_node->counter)) -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-42-gf742a64
by postmaster＠open-mesh.org 10 Dec '11

10 Dec '11

The following commit has been merged in the master branch: commit f742a6487a9dbd38ab3d0306c93a68f3d7940969 Author: Martin Hundebøll <martin(a)hundeboll.net> Date: Thu Dec 8 12:48:26 2011 +0100 batman-adv: Rm empty line from is_my_mac() in main.c Signed-off-by: Martin Hundebøll <martin(a)hundeboll.net> diff --git a/main.c b/main.c index fb87bdc..71b56cf 100644 --- a/main.c +++ b/main.c @@ -170,7 +170,6 @@ int is_my_mac(const uint8_t *addr) } rcu_read_unlock(); return 0; - } module_init(batman_init); -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-41-g486dc02
by postmaster＠open-mesh.org 08 Dec '11

08 Dec '11

The following commit has been merged in the master branch: commit 486dc02b027ff118757c0cc530040a4e855f2e5a Author: Sven Eckelmann <sven(a)narfation.org> Date: Wed Dec 7 13:27:16 2011 +0100 batman-adv: Don't try to read commit information from target kernel It is possible that the kernel used to build the batman-adv module also contains a .git directory. The makefile should not try to run git-describe inside this kernel to prevent that wrong version information is stored in the generated module. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/Makefile b/Makefile index 99fd366..e2276be 100644 --- a/Makefile +++ b/Makefile @@ -32,8 +32,8 @@ endif export KERNELPATH RM ?= rm -f -REVISION= $(shell if [ -d .git ]; then \ - echo $$(git describe --always --dirty --match "v*" |sed 's/^v//' 2> /dev/null || echo "[unknown]"); \ +REVISION= $(shell if [ -d "$(PWD)/.git" ]; then \ + echo $$(git --git-dir="$(PWD)/.git" describe --always --dirty --match "v*" |sed 's/^v//' 2> /dev/null || echo "[unknown]"); \ fi) CONFIG_BATMAN_ADV=m -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-40-g9134518
by postmaster＠open-mesh.org 08 Dec '11

08 Dec '11

The following commit has been merged in the master branch: commit 913451882c23e618ab80e3a110bf38d951b5d4e8 Author: Sven Eckelmann <sven(a)narfation.org> Date: Wed Dec 7 13:29:11 2011 +0100 batman-adv: Allow to disable features The user could not disable features which were enabled in the target kernel as explained in b3d474c54bca76797e88878f29f100a7d5c7e02b. We have to undef batman-adv specific preprocessor variables and generate an own header that sets them according to the user settings. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/Makefile b/Makefile index e78e797..99fd366 100644 --- a/Makefile +++ b/Makefile @@ -18,10 +18,9 @@ # 02110-1301, USA # -# uncomment the CONFIG_* line to enable the related feature -# features enabled in the target kernel configuration cannot be disabled +# changing the CONFIG_* line to 'y' enables the related feature # B.A.T.M.A.N. debugging: -# CONFIG_BATMAN_ADV_DEBUG=y +export CONFIG_BATMAN_ADV_DEBUG=n PWD:=$(shell pwd) KERNELPATH ?= /lib/modules/$(shell uname -r)/build @@ -31,6 +30,7 @@ $(warning $(KERNELPATH) is missing, please set KERNELPATH) endif export KERNELPATH +RM ?= rm -f REVISION= $(shell if [ -d .git ]; then \ echo $$(git describe --always --dirty --match "v*" |sed 's/^v//' 2> /dev/null || echo "[unknown]"); \ @@ -41,14 +41,19 @@ batman-adv-y += compat.o ifneq ($(REVISION),) ccflags-y += -DSOURCE_VERSION=\"$(REVISION)\" endif -ccflags-$(CONFIG_BATMAN_ADV_DEBUG) += -DCONFIG_BATMAN_ADV_DEBUG include $(PWD)/Makefile.kbuild -all: +all: config $(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) modules clean: + $(RM) compat-autoconf.h* $(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) clean -install: +install: config $(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) INSTALL_MOD_DIR=kernel/net/batman-adv/ modules_install + +config: + $(PWD)/gen-compat-autoconf.sh $(PWD)/compat-autoconf.h + +.PHONY: all clean install config diff --git a/compat.h b/compat.h index 964c066..6480614 100644 --- a/compat.h +++ b/compat.h @@ -27,6 +27,13 @@ #include <linux/version.h> /* LINUX_VERSION_CODE */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 33)) +#include <linux/autoconf.h> +#else +#include <generated/autoconf.h> +#endif +#include "compat-autoconf.h" + #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 33) #define __always_unused __attribute__((unused)) diff --git a/gen-compat-autoconf.sh b/gen-compat-autoconf.sh new file mode 100755 index 0000000..440accc --- /dev/null +++ b/gen-compat-autoconf.sh @@ -0,0 +1,35 @@ +#! /bin/sh + +set -e + +TARGET=${1:="compat-autoconf.h"} +TMP="${TARGET}.tmp" + +echo -n > "${TMP}" + +gen_config() { + KEY="${1}" + VALUE="${2}" + + echo "#undef ${KEY}" + case "${VALUE}" in + y) + echo "#define ${KEY} 1" + ;; + m) + echo "#define ${KEY} 1" + ;; + n) + # leave it undefined + ;; + *) + echo "#define ${KEY} \"${VALUE}\"" + ;; + esac +} + +# write config variables +gen_config 'CONFIG_BATMAN_ADV_DEBUG' ${CONFIG_BATMAN_ADV_DEBUG:="n"} >> "${TMP}" + +# only regenerate compat-autoconf.h when config was changed +diff "${TMP}" "${TARGET}" > /dev/null 2>&1 || cp "${TMP}" "${TARGET}" -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-39-gb3d474c
by postmaster＠open-mesh.org 07 Dec '11

07 Dec '11

The following commit has been merged in the master branch: commit b3d474c54bca76797e88878f29f100a7d5c7e02b Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Dec 4 20:10:48 2011 +0100 batman-adv: Allow to enable features without editing Makefile The user should not be encouraged to edit sources to prevent inconsistent changes. Upcoming features will not only use preprocessor variables to enable or disable itself, but also need to compile specific files at the same time. Therefore, it is safer to provide make parameters which can enable everything necessary for a specific option and look similar to the .config options of the kernel. It is not possible to disable features enabled by the target kernel because the include/generated/autoconf.h of the kernel sources isn't regenerated by a module build. Hence, it is better not to disable features in the makefile by default because the preprocessor will not have the same information. This can be changed later by a more complex configuration system that generates an own compat_autoconf.h that is included by compat.h. This header would have to define/undef all preprocessor variables used to configure batman-adv features. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/Makefile b/Makefile index 4f338aa..e78e797 100644 --- a/Makefile +++ b/Makefile @@ -18,7 +18,10 @@ # 02110-1301, USA # - +# uncomment the CONFIG_* line to enable the related feature +# features enabled in the target kernel configuration cannot be disabled +# B.A.T.M.A.N. debugging: +# CONFIG_BATMAN_ADV_DEBUG=y PWD:=$(shell pwd) KERNELPATH ?= /lib/modules/$(shell uname -r)/build @@ -38,7 +41,7 @@ batman-adv-y += compat.o ifneq ($(REVISION),) ccflags-y += -DSOURCE_VERSION=\"$(REVISION)\" endif -# ccflags-y += -DCONFIG_BATMAN_ADV_DEBUG +ccflags-$(CONFIG_BATMAN_ADV_DEBUG) += -DCONFIG_BATMAN_ADV_DEBUG include $(PWD)/Makefile.kbuild all: diff --git a/README b/README index 7404c0a..ddc9569 100644 --- a/README +++ b/README @@ -207,10 +207,10 @@ times necessary to see more detail debug messages. This must be enabled when compiling the batman-adv module. When building bat- man-adv as part of kernel, use "make menuconfig" and enable the option "B.A.T.M.A.N. debugging". When compiling outside of the -kernel tree it is necessary to edit the file Makefile.kbuild and -uncomment the line +kernel tree it is necessary to enable it using the make option +CONFIG_BATMAN_ADV_DEBUG=y -#ccflags-y += -DCONFIG_BATMAN_ADV_DEBUG +# make CONFIG_BATMAN_ADV_DEBUG=y Those additional debug messages can be accessed using a special file in debugfs -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-38-gb49b17f
by postmaster＠open-mesh.org 07 Dec '11

07 Dec '11

The following commit has been merged in the master branch: commit b49b17f6da9928d32b3162f5e2779cbd10edf8a4 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Dec 4 20:10:47 2011 +0100 batman-adv: Remove non-kernel parts from Makefile.kbuild The standalone batman-adv module is sent to the linux kernel maintainers to be merged by them. A batman-adv developer has to manually merge the changes since the last submission and apply it on top of the current linux development tree. The standalone sources have to provide an additional layer that increases the compatibility to kernels and to give a better user experience. This layer will not be sent to the kernel maintainers and has to manually removed each time. To reduce this work, the Makefile.kbuild should be cleaned up to be only the vanilla version of the Makefile in the kernel. The Makefile in the standalone sources is used to provide most of the additional layer. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/Makefile b/Makefile index 15f099e..4f338aa 100644 --- a/Makefile +++ b/Makefile @@ -33,10 +33,16 @@ REVISION= $(shell if [ -d .git ]; then \ echo $$(git describe --always --dirty --match "v*" |sed 's/^v//' 2> /dev/null || echo "[unknown]"); \ fi) +CONFIG_BATMAN_ADV=m +batman-adv-y += compat.o +ifneq ($(REVISION),) +ccflags-y += -DSOURCE_VERSION=\"$(REVISION)\" +endif +# ccflags-y += -DCONFIG_BATMAN_ADV_DEBUG include $(PWD)/Makefile.kbuild all: - $(MAKE) -C $(KERNELPATH) REVISION=$(REVISION) M=$(PWD) PWD=$(PWD) modules + $(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) modules clean: $(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) clean diff --git a/Makefile.kbuild b/Makefile.kbuild index 3c51455..ce68611 100644 --- a/Makefile.kbuild +++ b/Makefile.kbuild @@ -18,13 +18,7 @@ # 02110-1301, USA # -# ccflags-y += -DCONFIG_BATMAN_ADV_DEBUG - -ifneq ($(REVISION),) -ccflags-y += -DSOURCE_VERSION=\"$(REVISION)\" -endif - -obj-m += batman-adv.o +obj-$(CONFIG_BATMAN_ADV) += batman-adv.o batman-adv-y += bat_debugfs.o batman-adv-y += bat_iv_ogm.o batman-adv-y += bat_sysfs.o @@ -43,4 +37,3 @@ batman-adv-y += soft-interface.o batman-adv-y += translation-table.o batman-adv-y += unicast.o batman-adv-y += vis.o -batman-adv-y += compat.o -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-37-gfac4043
by postmaster＠open-mesh.org 07 Dec '11

07 Dec '11

The following commit has been merged in the master branch: commit fac4043933f4bc09ad08c57c6f338623a383b2de Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Dec 4 20:10:46 2011 +0100 batman-adv: Remove OpenWRT specific makefile rules Makefile and Makefile.kbuild are included by the linux kbuild environment to build the kernel module. Rules by other build systems could lead to hard to debug problems and therefore should be avoided. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/Makefile.kbuild b/Makefile.kbuild index bd7e93c..3c51455 100644 --- a/Makefile.kbuild +++ b/Makefile.kbuild @@ -18,13 +18,6 @@ # 02110-1301, USA # - - -# openwrt integration -ifeq ($(MAKING_MODULES),1) --include $(TOPDIR)/Rules.make -endif - # ccflags-y += -DCONFIG_BATMAN_ADV_DEBUG ifneq ($(REVISION),) -- batman-adv

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batman-adv; branch, master, updated. v2011.4.0-36-g63b3c66
by postmaster＠open-mesh.org 07 Dec '11

07 Dec '11

The following commit has been merged in the master branch: commit 63b3c662a1b5ec2a288091bbc0d01ce6197873bf Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Dec 4 20:10:45 2011 +0100 batman-adv: Don't automatically build in parallel Distributions like Gentoo and Debian have policies which make it necessary to use some kind of environmental variable to control the parallel build. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/Makefile b/Makefile index 3374687..15f099e 100644 --- a/Makefile +++ b/Makefile @@ -33,12 +33,10 @@ REVISION= $(shell if [ -d .git ]; then \ echo $$(git describe --always --dirty --match "v*" |sed 's/^v//' 2> /dev/null || echo "[unknown]"); \ fi) -NUM_CPUS = $(shell nproc 2> /dev/null || echo 1) - include $(PWD)/Makefile.kbuild all: - $(MAKE) -C $(KERNELPATH) REVISION=$(REVISION) M=$(PWD) PWD=$(PWD) -j $(NUM_CPUS) modules + $(MAKE) -C $(KERNELPATH) REVISION=$(REVISION) M=$(PWD) PWD=$(PWD) modules clean: $(MAKE) -C $(KERNELPATH) M=$(PWD) PWD=$(PWD) clean -- batman-adv

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commits December 2011