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[linux-next] LinuxNextTracking branch, master, updated. next-20160111
by batman＠open-mesh.org 11 Jan '16

11 Jan '16

The following commit has been merged in the master branch: commit d737ccbed3e62dd45d631cf69183de005144d05b Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Sep 13 09:44:45 2015 +0200 batman-adv: Add function to convert string to batadv throughput The code to convert the throughput information from a string to the batman-adv internal (100Kibit/s) representation is duplicated in batadv_parse_gw_bandwidth. Move this functionality to its own function batadv_parse_throughput to reduce the code complexity. Signed-off-by: Sven Eckelmann <sven(a)open-mesh.com> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <a(a)unstable.cc> diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c index 0cb5e6b..b51bfac 100644 --- a/net/batman-adv/gateway_common.c +++ b/net/batman-adv/gateway_common.c @@ -31,27 +31,23 @@ #include "packet.h" /** - * batadv_parse_gw_bandwidth - parse supplied string buffer to extract download - * and upload bandwidth information + * batadv_parse_throughput - parse supplied string buffer to extract throughput + * information * @net_dev: the soft interface net device * @buff: string buffer to parse - * @down: pointer holding the returned download bandwidth information - * @up: pointer holding the returned upload bandwidth information + * @description: text shown when throughput string cannot be parsed + * @throughput: pointer holding the returned throughput information * * Returns false on parse error and true otherwise. */ -static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff, - u32 *down, u32 *up) +static bool batadv_parse_throughput(struct net_device *net_dev, char *buff, + const char *description, u32 *throughput) { enum batadv_bandwidth_units bw_unit_type = BATADV_BW_UNIT_KBIT; - char *slash_ptr, *tmp_ptr; - u64 ldown, lup; + u64 lthroughput; + char *tmp_ptr; int ret; - slash_ptr = strchr(buff, '/'); - if (slash_ptr) - *slash_ptr = 0; - if (strlen(buff) > 4) { tmp_ptr = buff + strlen(buff) - 4; @@ -63,90 +59,75 @@ static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff, *tmp_ptr = '\0'; } - ret = kstrtou64(buff, 10, &ldown); + ret = kstrtou64(buff, 10, &lthroughput); if (ret) { batadv_err(net_dev, - "Download speed of gateway mode invalid: %s\n", - buff); + "Invalid throughput speed for %s: %s\n", + description, buff); return false; } switch (bw_unit_type) { case BATADV_BW_UNIT_MBIT: /* prevent overflow */ - if (U64_MAX / 10 < ldown) { + if (U64_MAX / 10 < lthroughput) { batadv_err(net_dev, - "Download speed of gateway mode too large: %s\n", - buff); + "Throughput speed for %s too large: %s\n", + description, buff); return false; } - ldown *= 10; + lthroughput *= 10; break; case BATADV_BW_UNIT_KBIT: default: - ldown = div_u64(ldown, 100); + lthroughput = div_u64(lthroughput, 100); break; } - if (U32_MAX < ldown) { + if (lthroughput > U32_MAX) { batadv_err(net_dev, - "Download speed of gateway mode too large: %s\n", - buff); + "Throughput speed for %s too large: %s\n", + description, buff); return false; } - *down = ldown; - - /* we also got some upload info */ - if (slash_ptr) { - bw_unit_type = BATADV_BW_UNIT_KBIT; - - if (strlen(slash_ptr + 1) > 4) { - tmp_ptr = slash_ptr + 1 - 4 + strlen(slash_ptr + 1); + *throughput = lthroughput; - if (strncasecmp(tmp_ptr, "mbit", 4) == 0) - bw_unit_type = BATADV_BW_UNIT_MBIT; + return true; +} - if ((strncasecmp(tmp_ptr, "kbit", 4) == 0) || - (bw_unit_type == BATADV_BW_UNIT_MBIT)) - *tmp_ptr = '\0'; - } +/** + * batadv_parse_gw_bandwidth - parse supplied string buffer to extract download + * and upload bandwidth information + * @net_dev: the soft interface net device + * @buff: string buffer to parse + * @down: pointer holding the returned download bandwidth information + * @up: pointer holding the returned upload bandwidth information + * + * Return: false on parse error and true otherwise. + */ +static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff, + u32 *down, u32 *up) +{ + char *slash_ptr; + bool ret; - ret = kstrtou64(slash_ptr + 1, 10, &lup); - if (ret) { - batadv_err(net_dev, - "Upload speed of gateway mode invalid: %s\n", - slash_ptr + 1); - return false; - } + slash_ptr = strchr(buff, '/'); + if (slash_ptr) + *slash_ptr = 0; - switch (bw_unit_type) { - case BATADV_BW_UNIT_MBIT: - /* prevent overflow */ - if (U64_MAX / 10 < lup) { - batadv_err(net_dev, - "Upload speed of gateway mode too large: %s\n", - slash_ptr + 1); - return false; - } - - lup *= 10; - break; - case BATADV_BW_UNIT_KBIT: - default: - lup = div_u64(lup, 100); - break; - } + ret = batadv_parse_throughput(net_dev, buff, "download gateway speed", + down); + if (!ret) + return false; - if (U32_MAX < lup) { - batadv_err(net_dev, - "Upload speed of gateway mode too large: %s\n", - slash_ptr + 1); + /* we also got some upload info */ + if (slash_ptr) { + ret = batadv_parse_throughput(net_dev, slash_ptr + 1, + "upload gateway speed", up); + if (!ret) return false; - } - - *up = lup; } return true; -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20160111
by batman＠open-mesh.org 11 Jan '16

11 Jan '16

The following commit has been merged in the master branch: commit 4a4d045eb2c174472b68f366108bf76f1802f803 Author: Simon Wunderlich <sw(a)simonwunderlich.de> Date: Mon Nov 23 20:30:15 2015 +0100 batman-adv: Start new development cycle Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Antonio Quartulli <a(a)unstable.cc> diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h index ebd8af0..da9f16c 100644 --- a/net/batman-adv/main.h +++ b/net/batman-adv/main.h @@ -24,7 +24,7 @@ #define BATADV_DRIVER_DEVICE "batman-adv" #ifndef BATADV_SOURCE_VERSION -#define BATADV_SOURCE_VERSION "2015.2" +#define BATADV_SOURCE_VERSION "2016.0" #endif /* B.A.T.M.A.N. parameters */ -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20160111
by batman＠open-mesh.org 11 Jan '16

11 Jan '16

The following commit has been merged in the master branch: commit d68081a24081f9a1910a41778a8411d924255471 Author: Simon Wunderlich <simon(a)open-mesh.com> Date: Mon Nov 9 16:20:52 2015 +0100 batman-adv: purge bridge loop avoidance when its disabled When bridge loop avoidance is disabled through sysfs, the internal datastructures are not disabled, but only BLA operations are disabled. To be sure that they are removed, purge the data immediately. That is especially useful if a firmwares network state is changed, and the BLA wait periods should restart on the new network. Signed-off-by: Simon Wunderlich <simon(a)open-mesh.com> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <a(a)unstable.cc> diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 99dcae3..d5d71ac 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1168,6 +1168,26 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv, } } +/** + * batadv_bla_status_update - purge bla interfaces if necessary + * @net_dev: the soft interface net device + */ +void batadv_bla_status_update(struct net_device *net_dev) +{ + struct batadv_priv *bat_priv = netdev_priv(net_dev); + struct batadv_hard_iface *primary_if; + + primary_if = batadv_primary_if_get_selected(bat_priv); + if (!primary_if) + return; + + /* this function already purges everything when bla is disabled, + * so just call that one. + */ + batadv_bla_update_orig_address(bat_priv, primary_if, primary_if); + batadv_hardif_free_ref(primary_if); +} + /* periodic work to do: * * purge structures when they are too old * * send announcements diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index 025152b..7ea199b 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -22,6 +22,7 @@ #include <linux/types.h> +struct net_device; struct seq_file; struct sk_buff; @@ -42,6 +43,7 @@ int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, void batadv_bla_update_orig_address(struct batadv_priv *bat_priv, struct batadv_hard_iface *primary_if, struct batadv_hard_iface *oldif); +void batadv_bla_status_update(struct net_device *net_dev); int batadv_bla_init(struct batadv_priv *bat_priv); void batadv_bla_free(struct batadv_priv *bat_priv); diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c index 9de3c88..48e2aad 100644 --- a/net/batman-adv/sysfs.c +++ b/net/batman-adv/sysfs.c @@ -40,6 +40,7 @@ #include "distributed-arp-table.h" #include "gateway_client.h" #include "gateway_common.h" +#include "bridge_loop_avoidance.h" #include "hard-interface.h" #include "network-coding.h" #include "packet.h" @@ -549,7 +550,8 @@ static ssize_t batadv_store_isolation_mark(struct kobject *kobj, BATADV_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); #ifdef CONFIG_BATMAN_ADV_BLA -BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL); +BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, + batadv_bla_status_update); #endif #ifdef CONFIG_BATMAN_ADV_DAT BATADV_ATTR_SIF_BOOL(distributed_arp_table, S_IRUGO | S_IWUSR, -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20160111
by batman＠open-mesh.org 11 Jan '16

11 Jan '16

The following commit has been merged in the master branch: commit 143d157c9ecfa09ed777bf33635eb27fabce3e0a Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Sun Aug 9 23:56:50 2015 +0800 batman-adv: remove leftovers of unused BATADV_PRIMARIES_FIRST_HOP flag Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <a(a)unstable.cc> diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 5677169..2467024 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -361,7 +361,6 @@ batadv_iv_ogm_primary_iface_set(struct batadv_hard_iface *hard_iface) unsigned char *ogm_buff = hard_iface->bat_iv.ogm_buff; batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff; - batadv_ogm_packet->flags = BATADV_PRIMARIES_FIRST_HOP; batadv_ogm_packet->ttl = BATADV_TTL; } @@ -842,8 +841,6 @@ static void batadv_iv_ogm_forward(struct batadv_orig_node *orig_node, "Forwarding packet: tq: %i, ttl: %i\n", batadv_ogm_packet->tq, batadv_ogm_packet->ttl); - /* switch of primaries first hop flag when forwarding */ - batadv_ogm_packet->flags &= ~BATADV_PRIMARIES_FIRST_HOP; if (is_single_hop_neigh) batadv_ogm_packet->flags |= BATADV_DIRECTLINK; else diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index 11f996b..0558e32 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -72,8 +72,7 @@ enum batadv_subtype { * enum batadv_iv_flags - flags used in B.A.T.M.A.N. IV OGM packets * @BATADV_NOT_BEST_NEXT_HOP: flag is set when ogm packet is forwarded and was * previously received from someone else than the best neighbor. - * @BATADV_PRIMARIES_FIRST_HOP: flag is set when the primary interface address - * is used, and the packet travels its first hop. + * @BATADV_PRIMARIES_FIRST_HOP: flag unused. * @BATADV_DIRECTLINK: flag is for the first hop or if rebroadcasted from a * one hop neighbor on the interface where it was originally received. */ -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20160111
by batman＠open-mesh.org 11 Jan '16

11 Jan '16

The following commit has been merged in the master branch: commit 008a374487070a391c12aa39288fd8511f822cab Author: Sven Eckelmann <sven(a)open-mesh.com> Date: Tue Nov 3 19:20:34 2015 +0100 batman-adv: Fix lockdep annotation of batadv_tlv_container_remove The function handles tlv containers and not tlv handlers. Thus the lockdep_assert_held has to check for the container_list lock. Fixes: 2c72d655b044 ("batman-adv: Annotate deleting functions with external lock via lockdep") Signed-off-by: Sven Eckelmann <sven(a)open-mesh.com> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <a(a)unstable.cc> diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index 5dbcb2e..95fd418 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -747,7 +747,7 @@ static u16 batadv_tvlv_container_list_size(struct batadv_priv *bat_priv) static void batadv_tvlv_container_remove(struct batadv_priv *bat_priv, struct batadv_tvlv_container *tvlv) { - lockdep_assert_held(&bat_priv->tvlv.handler_list_lock); + lockdep_assert_held(&bat_priv->tvlv.container_list_lock); if (!tvlv) return; -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20160111
by batman＠open-mesh.org 11 Jan '16

11 Jan '16

The following commit has been merged in the master branch: commit e1544f3c87778ab4af9689d571570d6abfd2f6c2 Author: Simon Wunderlich <simon(a)open-mesh.com> Date: Mon Nov 9 16:20:53 2015 +0100 batman-adv: increase BLA wait periods to 6 If networks take a long time to come up, e.g. due to lossy links, then the bridge loop avoidance wait time to suppress broadcasts may not wait long enough and detect a backbone before the mesh is brought up. Increasing the wait period further to 60 seconds makes this scenario less likely. Signed-off-by: Simon Wunderlich <simon(a)open-mesh.com> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <a(a)unstable.cc> diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h index da9f16c..9dbd910 100644 --- a/net/batman-adv/main.h +++ b/net/batman-adv/main.h @@ -109,7 +109,7 @@ #define BATADV_MAX_AGGREGATION_MS 100 #define BATADV_BLA_PERIOD_LENGTH 10000 /* 10 seconds */ -#define BATADV_BLA_BACKBONE_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 3) +#define BATADV_BLA_BACKBONE_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 6) #define BATADV_BLA_CLAIM_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 10) #define BATADV_BLA_WAIT_PERIODS 3 -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20160111
by batman＠open-mesh.org 11 Jan '16

11 Jan '16

The following commit has been merged in the master branch: commit 13bbdd370f67aef3351ad7bbc2fb624e3c23f905 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Nov 29 01:48:57 2015 +0100 batman-adv: Fix invalid read while copying bat_iv.bcast_own batadv_iv_ogm_orig_del_if removes a part of the bcast_own which previously belonged to the now removed interface. This is done by copying all data which comes before the removed interface and then appending all the data which comes after the removed interface. The address calculation for the position of the data which comes after the removed interface assumed that the bat_iv.bcast_own is a pointer to a single byte datatype. But it is a pointer to unsigned long and thus the calculated position was wrong off factor sizeof(unsigned long). Fixes: 83a8342678a0 ("more basic routing code added (forwarding packets / bitarray added)") Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <a(a)unstable.cc> diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 912d9c3..aa94b4e 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -185,7 +185,8 @@ unlock: static int batadv_iv_ogm_orig_del_if(struct batadv_orig_node *orig_node, int max_if_num, int del_if_num) { - int chunk_size, ret = -ENOMEM, if_offset; + int ret = -ENOMEM; + size_t chunk_size, if_offset; void *data_ptr = NULL; spin_lock_bh(&orig_node->bat_iv.ogm_cnt_lock); @@ -203,8 +204,9 @@ static int batadv_iv_ogm_orig_del_if(struct batadv_orig_node *orig_node, memcpy(data_ptr, orig_node->bat_iv.bcast_own, del_if_num * chunk_size); /* copy second part */ + if_offset = (del_if_num + 1) * chunk_size; memcpy((char *)data_ptr + del_if_num * chunk_size, - orig_node->bat_iv.bcast_own + ((del_if_num + 1) * chunk_size), + (uint8_t *)orig_node->bat_iv.bcast_own + if_offset, (max_if_num - del_if_num) * chunk_size); free_bcast_own: -- LinuxNextTracking

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Noticed difference in packet.h in next.diff
by postmaster＠open-mesh.org 11 Jan '16

11 Jan '16

--- batman-adv_next.packet.h 2016-01-12 00:05:01.280369336 +0100 +++ batctl_next.packet.h 2016-01-12 00:05:01.288369887 +0100 @@ -1,4 +1,4 @@ -/* Copyright (C) 2007-2015 B.A.T.M.A.N. contributors: +/* Copyright (C) 2007-2016 B.A.T.M.A.N. contributors: * * Marek Lindner, Simon Wunderlich *

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Noticed difference in packet.h in next.diff
by postmaster＠open-mesh.org 10 Jan '16

10 Jan '16

--- batman-adv_next.packet.h 2016-01-11 00:05:01.669472597 +0100 +++ batctl_next.packet.h 2016-01-11 00:05:01.677473130 +0100 @@ -1,4 +1,4 @@ -/* Copyright (C) 2007-2015 B.A.T.M.A.N. contributors: +/* Copyright (C) 2007-2016 B.A.T.M.A.N. contributors: * * Marek Lindner, Simon Wunderlich *

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Build check errors found: 2016-01-10
by postmaster＠open-mesh.org 10 Jan '16

10 Jan '16

Name of failed tests ==================== * difference between net-next and batadv next Output of different failed tests ================================ difference between net-next and batadv next ------------------------------------------- Documentation/networking/batman-adv.txt | 9 net/batman-adv/bat_iv_ogm.c | 27 +- net/batman-adv/bitarray.c | 12 - net/batman-adv/bitarray.h | 12 - net/batman-adv/bridge_loop_avoidance.c | 247 +++++------------------ net/batman-adv/bridge_loop_avoidance.h | 2 net/batman-adv/debugfs.c | 6 net/batman-adv/distributed-arp-table.c | 41 +-- net/batman-adv/fragmentation.c | 18 - net/batman-adv/fragmentation.h | 2 net/batman-adv/gateway_client.c | 14 - net/batman-adv/gateway_common.c | 119 ++++++----- net/batman-adv/hard-interface.c | 7 net/batman-adv/hash.h | 22 -- net/batman-adv/main.c | 45 ++-- net/batman-adv/main.h | 21 - net/batman-adv/multicast.c | 37 +-- net/batman-adv/multicast.h | 2 net/batman-adv/network-coding.c | 59 ++--- net/batman-adv/originator.c | 72 ++---- net/batman-adv/packet.h | 20 - net/batman-adv/routing.c | 36 +-- net/batman-adv/send.c | 32 +- net/batman-adv/send.h | 4 net/batman-adv/soft-interface.c | 18 - net/batman-adv/sysfs.c | 31 +- net/batman-adv/translation-table.c | 125 ++++------- net/batman-adv/types.h | 60 ++--- 28 files changed, 432 insertions(+), 668 deletions(-)

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