linux-merge August 2015

linux-merge@lists.open-mesh.org

3 participants
82 discussions

Build check errors found: 2015-09-01
by postmaster＠open-mesh.org 31 Aug '15

31 Aug '15

Name of failed tests ==================== * checkpatch master ./net/batman-adv/main.c * checkpatch next ./net/batman-adv/main.c * difference between net-next and batadv next Output of different failed tests ================================ checkpatch next ./net/batman-adv/main.c --------------------------------------- CHECK: 'wether' may be misspelled - perhaps 'whether'? #911: FILE: ./net/batman-adv/main.c:911: + * @ogm_source: flag indicating wether the tvlv is an ogm or a unicast packet CHECK: 'wether' may be misspelled - perhaps 'whether'? #964: FILE: ./net/batman-adv/main.c:964: + * @ogm_source: flag indicating wether the tvlv is an ogm or a unicast packet total: 0 errors, 0 warnings, 2 checks, 1284 lines checked difference between net-next and batadv next ------------------------------------------- net/batman-adv/distributed-arp-table.c | 2 +- net/batman-adv/multicast.c | 4 ++-- net/batman-adv/network-coding.c | 2 +- net/batman-adv/translation-table.c | 5 ++++- 4 files changed, 8 insertions(+), 5 deletions(-)

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[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit 1e3b4669e79253748073b0ee95270f92f0372b20 Author: Simon Wunderlich <sw(a)simonwunderlich.de> Date: Tue Aug 4 15:44:06 2015 +0200 batman-adv: fix gateway client style issues commit 0511575c4d03 ("batman-adv: remove obsolete deleted attribute for gateway node") incorrectly added an empy line and forgot to remove an include. Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index 634c7e3..e6c8382 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -27,7 +27,6 @@ #include <linux/in.h> #include <linux/ip.h> #include <linux/ipv6.h> -#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/netdevice.h> @@ -565,7 +564,6 @@ void batadv_gw_node_free(struct batadv_priv *bat_priv) spin_lock_bh(&bat_priv->gw.list_lock); hlist_for_each_entry_safe(gw_node, node_tmp, &bat_priv->gw.list, list) { - hlist_del_init_rcu(&gw_node->list); batadv_gw_node_free_ref(gw_node); } -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit 07c48eca1661decbd52393ef535f0c97e5313c4e Author: Simon Wunderlich <sw(a)simonwunderlich.de> Date: Tue Aug 4 14:43:16 2015 +0200 batman-adv: Start new development cycle Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h index 78500ac..ebd8af0 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 "2015.1" +#define BATADV_SOURCE_VERSION "2015.2" #endif /* B.A.T.M.A.N. parameters */ -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit a5256f7e74d85d7ae60ac3bd557d5fe3444be810 Author: Antonio Quartulli <antonio(a)meshcoding.com> Date: Tue Aug 4 22:26:19 2015 +0200 batman-adv: don't access unregistered net_device object In batadv_hardif_disable_interface() there is a call to batadv_softif_destroy_sysfs() which in turns invokes unregister_netdevice() on the soft_iface. After this point we cannot rely on the soft_iface object anymore because it might get free'd by the netdev periodic routine at any time. For this reason the netdev_upper_dev_unlink(.., soft_iface) call is moved before the invocation of batadv_softif_destroy_sysfs() so that we can be sure that the soft_iface object is still valid. Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index f4a15d2..0565b20 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -528,6 +528,8 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface, batadv_purge_outstanding_packets(bat_priv, hard_iface); dev_put(hard_iface->soft_iface); + netdev_upper_dev_unlink(hard_iface->net_dev, hard_iface->soft_iface); + /* nobody uses this interface anymore */ if (!bat_priv->num_ifaces) { batadv_gw_check_client_stop(bat_priv); @@ -536,7 +538,6 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface, batadv_softif_destroy_sysfs(hard_iface->soft_iface); } - netdev_upper_dev_unlink(hard_iface->net_dev, hard_iface->soft_iface); hard_iface->soft_iface = NULL; batadv_hardif_free_ref(hard_iface); -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit 7bca68c7844b1642868809a5ef4387c1f099ab1d Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Aug 7 19:28:42 2015 +0200 batman-adv: Add lower layer needed_(head|tail)room to own ones The maximum of hard_header_len and maximum of all needed_(head|tail)room of all slave interfaces of a batman-adv device must be used to define the batman-adv device needed_(head|tail)room. This is required to avoid too small buffer problems when these slave devices try to send the encapsulated packet in a tx path without the possibility to resize the skbuff. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 0565b20..f11345e 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -252,6 +252,44 @@ static void batadv_check_known_mac_addr(const struct net_device *net_dev) rcu_read_unlock(); } +/** + * batadv_hardif_recalc_extra_skbroom() - Recalculate skbuff extra head/tailroom + * @soft_iface: netdev struct of the mesh interface + */ +static void batadv_hardif_recalc_extra_skbroom(struct net_device *soft_iface) +{ + const struct batadv_hard_iface *hard_iface; + unsigned short lower_header_len = ETH_HLEN; + unsigned short lower_headroom = 0; + unsigned short lower_tailroom = 0; + unsigned short needed_headroom; + + rcu_read_lock(); + list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { + if (hard_iface->if_status == BATADV_IF_NOT_IN_USE) + continue; + + if (hard_iface->soft_iface != soft_iface) + continue; + + lower_header_len = max_t(unsigned short, lower_header_len, + hard_iface->net_dev->hard_header_len); + + lower_headroom = max_t(unsigned short, lower_headroom, + hard_iface->net_dev->needed_headroom); + + lower_tailroom = max_t(unsigned short, lower_tailroom, + hard_iface->net_dev->needed_tailroom); + } + rcu_read_unlock(); + + needed_headroom = lower_headroom + (lower_header_len - ETH_HLEN); + needed_headroom += batadv_max_header_len(); + + soft_iface->needed_headroom = needed_headroom; + soft_iface->needed_tailroom = lower_tailroom; +} + int batadv_hardif_min_mtu(struct net_device *soft_iface) { struct batadv_priv *bat_priv = netdev_priv(soft_iface); @@ -474,6 +512,8 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, "Not using interface %s (retrying later): interface not active\n", hard_iface->net_dev->name); + batadv_hardif_recalc_extra_skbroom(soft_iface); + /* begin scheduling originator messages on that interface */ batadv_schedule_bat_ogm(hard_iface); @@ -529,6 +569,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface, dev_put(hard_iface->soft_iface); netdev_upper_dev_unlink(hard_iface->net_dev, hard_iface->soft_iface); + batadv_hardif_recalc_extra_skbroom(hard_iface->soft_iface); /* nobody uses this interface anymore */ if (!bat_priv->num_ifaces) { diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index d5c5ad9..ac4d08d 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -947,8 +947,6 @@ static void batadv_softif_init_early(struct net_device *dev) * have not been initialized yet */ dev->mtu = ETH_DATA_LEN; - /* reserve more space in the skbuff for our header */ - dev->hard_header_len = batadv_max_header_len(); /* generate random address */ eth_hw_addr_random(dev); -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit ed29266347025a19ee689807b07d121f0a7441f1 Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Tue Aug 4 23:31:44 2015 +0800 batman-adv: turn batadv_neigh_node_get() into local function commit c214ebe1eb29 ("batman-adv: move neigh_node list add into batadv_neigh_node_new()") removed external calls to batadv_neigh_node_get(). Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 099a84a..7486df9 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -443,6 +443,42 @@ out: } /** + * batadv_neigh_node_get - retrieve a neighbour from the list + * @orig_node: originator which the neighbour belongs to + * @hard_iface: the interface where this neighbour is connected to + * @addr: the address of the neighbour + * + * Looks for and possibly returns a neighbour belonging to this originator list + * which is connected through the provided hard interface. + * Returns NULL if the neighbour is not found. + */ +static struct batadv_neigh_node * +batadv_neigh_node_get(const struct batadv_orig_node *orig_node, + const struct batadv_hard_iface *hard_iface, + const u8 *addr) +{ + struct batadv_neigh_node *tmp_neigh_node, *res = NULL; + + rcu_read_lock(); + hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) { + if (!batadv_compare_eth(tmp_neigh_node->addr, addr)) + continue; + + if (tmp_neigh_node->if_incoming != hard_iface) + continue; + + if (!atomic_inc_not_zero(&tmp_neigh_node->refcount)) + continue; + + res = tmp_neigh_node; + break; + } + rcu_read_unlock(); + + return res; +} + +/** * batadv_neigh_node_new - create and init a new neigh_node object * @orig_node: originator object representing the neighbour * @hard_iface: the interface where the neighbour is connected to @@ -496,42 +532,6 @@ out: } /** - * batadv_neigh_node_get - retrieve a neighbour from the list - * @orig_node: originator which the neighbour belongs to - * @hard_iface: the interface where this neighbour is connected to - * @addr: the address of the neighbour - * - * Looks for and possibly returns a neighbour belonging to this originator list - * which is connected through the provided hard interface. - * Returns NULL if the neighbour is not found. - */ -struct batadv_neigh_node * -batadv_neigh_node_get(const struct batadv_orig_node *orig_node, - const struct batadv_hard_iface *hard_iface, - const u8 *addr) -{ - struct batadv_neigh_node *tmp_neigh_node, *res = NULL; - - rcu_read_lock(); - hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) { - if (!batadv_compare_eth(tmp_neigh_node->addr, addr)) - continue; - - if (tmp_neigh_node->if_incoming != hard_iface) - continue; - - if (!atomic_inc_not_zero(&tmp_neigh_node->refcount)) - continue; - - res = tmp_neigh_node; - break; - } - rcu_read_unlock(); - - return res; -} - -/** * batadv_orig_ifinfo_free_rcu - free the orig_ifinfo object * @rcu: rcu pointer of the orig_ifinfo object */ diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h index fde3438..fa18f9b 100644 --- a/net/batman-adv/originator.h +++ b/net/batman-adv/originator.h @@ -42,10 +42,6 @@ void batadv_orig_node_free_ref_now(struct batadv_orig_node *orig_node); struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv, const u8 *addr); struct batadv_neigh_node * -batadv_neigh_node_get(const struct batadv_orig_node *orig_node, - const struct batadv_hard_iface *hard_iface, - const u8 *addr); -struct batadv_neigh_node * batadv_neigh_node_new(struct batadv_orig_node *orig_node, struct batadv_hard_iface *hard_iface, const u8 *neigh_addr); -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit f729dc70dafec281e524f51ae496a72ea4f8e319 Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Sun Jul 26 04:37:15 2015 +0800 batman-adv: move hardif refcount inc to batadv_neigh_node_new() The batadv_neigh_node cleanup function 'batadv_neigh_node_free_rcu()' takes care of reducing the hardif refcounter, hence it's only logical to assume the creating function of that same object 'batadv_neigh_node_new()' takes care of increasing the same refcounter. Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Acked-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 5c12200..b9b8b33 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -303,12 +303,6 @@ batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface, if (!neigh_node) goto out; - if (!atomic_inc_not_zero(&hard_iface->refcount)) { - kfree(neigh_node); - neigh_node = NULL; - goto out; - } - neigh_node->orig_node = orig_neigh; neigh_node->if_incoming = hard_iface; diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 610620a..f8317c1 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -461,6 +461,12 @@ batadv_neigh_node_new(struct batadv_hard_iface *hard_iface, if (!neigh_node) goto out; + if (!atomic_inc_not_zero(&hard_iface->refcount)) { + kfree(neigh_node); + neigh_node = NULL; + goto out; + } + INIT_HLIST_NODE(&neigh_node->list); INIT_HLIST_HEAD(&neigh_node->ifinfo_list); spin_lock_init(&neigh_node->ifinfo_lock); -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit 39bf7618f038474a0ccbeb0be173f11e147bd083 Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Sun Jul 26 04:37:47 2015 +0800 batman-adv: remove redundant hard_iface assignment The batadv_neigh_node_new() function already sets the hard_iface pointer. Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Acked-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index b9b8b33..b18184e 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -304,7 +304,6 @@ batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface, goto out; neigh_node->orig_node = orig_neigh; - neigh_node->if_incoming = hard_iface; spin_lock_bh(&orig_node->neigh_list_lock); tmp_neigh_node = batadv_neigh_node_get(orig_node, hard_iface, -- LinuxNextTracking

1 0

[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit 741aa06bfb0ab731086d258a1838152fe2502b5f Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Sun Jul 26 04:57:43 2015 +0800 batman-adv: move neigh_node list add into batadv_neigh_node_new() All batadv_neigh_node_* functions expect the neigh_node list item to be part of the orig_node->neigh_list, therefore the constructor of said list item should be adding the newly created neigh_node to the respective list. Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Acked-by: Simon Wunderlich <sw(a)simonwunderlich.de> Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index b18184e..5e93af4 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -296,8 +296,7 @@ batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface, struct batadv_orig_node *orig_node, struct batadv_orig_node *orig_neigh) { - struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - struct batadv_neigh_node *neigh_node, *tmp_neigh_node; + struct batadv_neigh_node *neigh_node; neigh_node = batadv_neigh_node_new(hard_iface, neigh_addr, orig_node); if (!neigh_node) @@ -305,24 +304,6 @@ batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface, neigh_node->orig_node = orig_neigh; - spin_lock_bh(&orig_node->neigh_list_lock); - tmp_neigh_node = batadv_neigh_node_get(orig_node, hard_iface, - neigh_addr); - if (!tmp_neigh_node) { - hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list); - } else { - kfree(neigh_node); - batadv_hardif_free_ref(hard_iface); - neigh_node = tmp_neigh_node; - } - spin_unlock_bh(&orig_node->neigh_list_lock); - - if (!tmp_neigh_node) - batadv_dbg(BATADV_DBG_BATMAN, bat_priv, - "Creating new neighbor %pM for orig_node %pM on interface %s\n", - neigh_addr, orig_node->orig, - hard_iface->net_dev->name); - out: return neigh_node; } diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index f8317c1..f751775 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -457,6 +457,10 @@ batadv_neigh_node_new(struct batadv_hard_iface *hard_iface, { struct batadv_neigh_node *neigh_node; + neigh_node = batadv_neigh_node_get(orig_node, hard_iface, neigh_addr); + if (neigh_node) + goto out; + neigh_node = kzalloc(sizeof(*neigh_node), GFP_ATOMIC); if (!neigh_node) goto out; @@ -478,6 +482,14 @@ batadv_neigh_node_new(struct batadv_hard_iface *hard_iface, /* extra reference for return */ atomic_set(&neigh_node->refcount, 2); + spin_lock_bh(&orig_node->neigh_list_lock); + hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list); + spin_unlock_bh(&orig_node->neigh_list_lock); + + batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv, + "Creating new neighbor %pM for orig_node %pM on interface %s\n", + neigh_addr, orig_node->orig, hard_iface->net_dev->name); + out: return neigh_node; } -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20150831
by batman＠open-mesh.org 31 Aug '15

31 Aug '15

The following commit has been merged in the master branch: commit bd3524c14bd02f94a4fa33e700883e01182f5ed5 Author: Simon Wunderlich <simon(a)open-mesh.com> Date: Mon Aug 3 19:13:58 2015 +0200 batman-adv: remove obsolete deleted attribute for gateway node With rcu, the gateway node deleted attribute is not needed anymore. In fact, it may delay the free of the gateway node and its referenced structures. Therefore remove it altogether and simplify purging as well. Signed-off-by: Simon Wunderlich <simon(a)open-mesh.com> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio(a)meshcoding.com> diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index d7ca214..634c7e3 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -161,9 +161,6 @@ batadv_gw_get_best_gw_node(struct batadv_priv *bat_priv) rcu_read_lock(); hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) { - if (gw_node->deleted) - continue; - orig_node = gw_node->orig_node; router = batadv_orig_router_get(orig_node, BATADV_IF_DEFAULT); if (!router) @@ -473,9 +470,6 @@ batadv_gw_node_get(struct batadv_priv *bat_priv, if (gw_node_tmp->orig_node != orig_node) continue; - if (gw_node_tmp->deleted) - continue; - if (!atomic_inc_not_zero(&gw_node_tmp->refcount)) continue; @@ -525,9 +519,7 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv, gw_node->bandwidth_down = ntohl(gateway->bandwidth_down); gw_node->bandwidth_up = ntohl(gateway->bandwidth_up); - gw_node->deleted = 0; if (ntohl(gateway->bandwidth_down) == 0) { - gw_node->deleted = jiffies; batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Gateway %pM removed from gateway list\n", orig_node->orig); @@ -535,14 +527,21 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv, /* Note: We don't need a NULL check here, since curr_gw never * gets dereferenced. */ + spin_lock_bh(&bat_priv->gw.list_lock); + hlist_del_init_rcu(&gw_node->list); + spin_unlock_bh(&bat_priv->gw.list_lock); + + batadv_gw_node_free_ref(gw_node); + curr_gw = batadv_gw_get_selected_gw_node(bat_priv); if (gw_node == curr_gw) batadv_gw_reselect(bat_priv); + + if (curr_gw) + batadv_gw_node_free_ref(curr_gw); } out: - if (curr_gw) - batadv_gw_node_free_ref(curr_gw); if (gw_node) batadv_gw_node_free_ref(gw_node); } @@ -558,39 +557,19 @@ void batadv_gw_node_delete(struct batadv_priv *bat_priv, batadv_gw_node_update(bat_priv, orig_node, &gateway); } -void batadv_gw_node_purge(struct batadv_priv *bat_priv) +void batadv_gw_node_free(struct batadv_priv *bat_priv) { - struct batadv_gw_node *gw_node, *curr_gw; + struct batadv_gw_node *gw_node; struct hlist_node *node_tmp; - unsigned long timeout = msecs_to_jiffies(2 * BATADV_PURGE_TIMEOUT); - int do_reselect = 0; - - curr_gw = batadv_gw_get_selected_gw_node(bat_priv); spin_lock_bh(&bat_priv->gw.list_lock); - hlist_for_each_entry_safe(gw_node, node_tmp, &bat_priv->gw.list, list) { - if (((!gw_node->deleted) || - (time_before(jiffies, gw_node->deleted + timeout))) && - atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) - continue; - if (curr_gw == gw_node) - do_reselect = 1; - - hlist_del_rcu(&gw_node->list); + hlist_del_init_rcu(&gw_node->list); batadv_gw_node_free_ref(gw_node); } - spin_unlock_bh(&bat_priv->gw.list_lock); - - /* gw_reselect() needs to acquire the gw_list_lock */ - if (do_reselect) - batadv_gw_reselect(bat_priv); - - if (curr_gw) - batadv_gw_node_free_ref(curr_gw); } /* fails if orig_node has no router */ @@ -654,9 +633,6 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset) rcu_read_lock(); hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) { - if (gw_node->deleted) - continue; - /* fails if orig_node has no router */ if (batadv_write_buffer_text(bat_priv, seq, gw_node) < 0) continue; diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h index ef4d7e3..fa95277 100644 --- a/net/batman-adv/gateway_client.h +++ b/net/batman-adv/gateway_client.h @@ -38,7 +38,7 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv, struct batadv_tvlv_gateway_data *gateway); void batadv_gw_node_delete(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node); -void batadv_gw_node_purge(struct batadv_priv *bat_priv); +void batadv_gw_node_free(struct batadv_priv *bat_priv); int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset); bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb); enum batadv_dhcp_recipient diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index e61c5f3..d7f17c1 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -199,7 +199,7 @@ void batadv_mesh_free(struct net_device *soft_iface) batadv_purge_outstanding_packets(bat_priv, NULL); - batadv_gw_node_purge(bat_priv); + batadv_gw_node_free(bat_priv); batadv_nc_mesh_free(bat_priv); batadv_dat_free(bat_priv); batadv_bla_free(bat_priv); diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index f751775..d6d9809 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -1028,7 +1028,6 @@ static void _batadv_purge_orig(struct batadv_priv *bat_priv) spin_unlock_bh(list_lock); } - batadv_gw_node_purge(bat_priv); batadv_gw_election(bat_priv); } diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 2f5e6c3..d260efd 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -328,7 +328,6 @@ enum batadv_orig_capabilities { * @orig_node: pointer to corresponding orig node * @bandwidth_down: advertised uplink download bandwidth * @bandwidth_up: advertised uplink upload bandwidth - * @deleted: this struct is scheduled for deletion * @refcount: number of contexts the object is used * @rcu: struct used for freeing in an RCU-safe manner */ @@ -337,7 +336,6 @@ struct batadv_gw_node { struct batadv_orig_node *orig_node; u32 bandwidth_down; u32 bandwidth_up; - unsigned long deleted; atomic_t refcount; struct rcu_head rcu; }; -- LinuxNextTracking

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linux-merge August 2015