commits April 2016

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[batman-adv] master: batman-adv: use static string for table headers (f7be1df)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit f7be1dfcea6e0f28e2eb5f243ad0e0cef1ebd2f7 Author: Antonio Quartulli <a(a)unstable.cc> Date: Sat Mar 12 10:30:18 2016 +0100 batman-adv: use static string for table headers Use a static string when showing table headers rather then a nonsense parametric one with fixed arguments. It is easier to grep and it does not need to be recomputed at runtime each time. Reported-by: Joe Perches <joe(a)perches.com> Signed-off-by: Antonio Quartulli <a(a)unstable.cc> [sven(a)narfation.org: fix conflicts with current version] Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- f7be1dfcea6e0f28e2eb5f243ad0e0cef1ebd2f7 net/batman-adv/bat_iv_ogm.c | 8 +++----- net/batman-adv/bat_v.c | 9 ++++----- net/batman-adv/bridge_loop_avoidance.c | 7 +++---- net/batman-adv/distributed-arp-table.c | 4 ++-- net/batman-adv/translation-table.c | 9 ++++----- 5 files changed, 16 insertions(+), 21 deletions(-) diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 395019f..ce2f203 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -1869,9 +1869,8 @@ static void batadv_iv_ogm_orig_print(struct batadv_priv *bat_priv, int batman_count = 0; u32 i; - seq_printf(seq, " %-15s %s (%s/%i) %17s [%10s]: %20s ...\n", - "Originator", "last-seen", "#", BATADV_TQ_MAX_VALUE, - "Nexthop", "outgoingIF", "Potential nexthops"); + seq_puts(seq, + " Originator last-seen (#/255) Nexthop [outgoingIF]: Potential nexthops ...\n"); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -1951,8 +1950,7 @@ static void batadv_iv_neigh_print(struct batadv_priv *bat_priv, struct batadv_hard_iface *hard_iface; int batman_count = 0; - seq_printf(seq, " %10s %-13s %s\n", - "IF", "Neighbor", "last-seen"); + seq_puts(seq, " IF Neighbor last-seen\n"); rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 3315b9a..246f9e9 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -151,8 +151,8 @@ static void batadv_v_neigh_print(struct batadv_priv *bat_priv, struct batadv_hard_iface *hard_iface; int batman_count = 0; - seq_printf(seq, " %-15s %s (%11s) [%10s]\n", "Neighbor", - "last-seen", "throughput", "IF"); + seq_puts(seq, + " Neighbor last-seen ( throughput) [ IF]\n"); rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { @@ -191,9 +191,8 @@ static void batadv_v_orig_print(struct batadv_priv *bat_priv, int batman_count = 0; u32 i; - seq_printf(seq, " %-15s %s (%11s) %17s [%10s]: %20s ...\n", - "Originator", "last-seen", "throughput", "Nexthop", - "outgoingIF", "Potential nexthops"); + seq_puts(seq, + " Originator last-seen ( throughput) Nexthop [outgoingIF]: Potential nexthops ...\n"); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index cd63ccd..17a8289 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1816,8 +1816,8 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) "Claims announced for the mesh %s (orig %pM, group id %#.4x)\n", net_dev->name, primary_addr, ntohs(bat_priv->bla.claim_dest.group)); - seq_printf(seq, " %-17s %-5s %-17s [o] (%-6s)\n", - "Client", "VID", "Originator", "CRC"); + seq_puts(seq, + " Client VID Originator [o] (CRC )\n"); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -1874,8 +1874,7 @@ int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset) "Backbones announced for the mesh %s (orig %pM, group id %#.4x)\n", net_dev->name, primary_addr, ntohs(bat_priv->bla.claim_dest.group)); - seq_printf(seq, " %-17s %-5s %-9s (%-6s)\n", - "Originator", "VID", "last seen", "CRC"); + seq_puts(seq, " Originator VID last seen (CRC )\n"); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index 4e158cc..278800a 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -817,8 +817,8 @@ int batadv_dat_cache_seq_print_text(struct seq_file *seq, void *offset) goto out; seq_printf(seq, "Distributed ARP Table (%s):\n", net_dev->name); - seq_printf(seq, " %-7s %-9s %4s %11s\n", "IPv4", - "MAC", "VID", "last-seen"); + seq_puts(seq, + " IPv4 MAC VID last-seen\n"); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index ed4b887..fcf5435 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -1008,8 +1008,8 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) seq_printf(seq, "Locally retrieved addresses (from %s) announced via TT (TTVN: %u):\n", net_dev->name, (u8)atomic_read(&bat_priv->tt.vn)); - seq_printf(seq, " %-13s %s %-8s %-9s (%-10s)\n", "Client", "VID", - "Flags", "Last seen", "CRC"); + seq_puts(seq, + " Client VID Flags Last seen (CRC )\n"); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -1706,9 +1706,8 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset) seq_printf(seq, "Globally announced TT entries received via the mesh %s\n", net_dev->name); - seq_printf(seq, " %-13s %s %s %-15s %s (%-10s) %s\n", - "Client", "VID", "(TTVN)", "Originator", "(Curr TTVN)", - "CRC", "Flags"); + seq_puts(seq, + " Client VID (TTVN) Originator (Curr TTVN) (CRC ) Flags\n"); for (i = 0; i < hash->size; i++) { head = &hash->table[i];

6 years, 11 months

[batman-adv] master: Merge branch 'next' (a26e7d8)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit a26e7d8f0f9db92ac62dda5cb5c233e9b050b045 Merge: 04614cb 8771ce1 Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Tue Apr 12 00:00:43 2016 +0800 Merge branch 'next' >--------------------------------------------------------------- a26e7d8f0f9db92ac62dda5cb5c233e9b050b045 net/batman-adv/distributed-arp-table.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-)

6 years, 11 months

[batman-adv] master's head updated: Merge branch 'next' (a26e7d8)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv Branch 'master' now includes: 22d98bd batman-adv: fix DAT candidate selection (must use vid) 8771ce1 Merge branch 'maint' into next a26e7d8 Merge branch 'next'

6 years, 11 months

[batman-adv] next: Merge branch 'maint' into next (8771ce1)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv On branch : next >--------------------------------------------------------------- commit 8771ce195840bc65854d4491d9c0720b7ea5f2a6 Merge: 289e386 22d98bd Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Tue Apr 12 00:00:10 2016 +0800 Merge branch 'maint' into next >--------------------------------------------------------------- 8771ce195840bc65854d4491d9c0720b7ea5f2a6 net/batman-adv/distributed-arp-table.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-)

6 years, 11 months

[batman-adv] next's head updated: Merge branch 'maint' into next (8771ce1)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv Branch 'next' now includes: 22d98bd batman-adv: fix DAT candidate selection (must use vid) 8771ce1 Merge branch 'maint' into next

6 years, 11 months

[batman-adv] maint: batman-adv: fix DAT candidate selection (must use vid) (22d98bd)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv On branch : maint >--------------------------------------------------------------- commit 22d98bd45c01e978c9ae439b7d9d1f3c3c65b102 Author: Antonio Quartulli <a(a)unstable.cc> Date: Sat Mar 12 11:12:59 2016 +0100 batman-adv: fix DAT candidate selection (must use vid) Now that DAT is VLAN aware, it must use the VID when computing the DHT address of the candidate nodes where an entry is going to be stored/retrieved. Fixes: 3e26722bc9f2 ("batman-adv: make the Distributed ARP Table vlan aware") Signed-off-by: Antonio Quartulli <a(a)unstable.cc> [sven(a)narfation.org: fix conflicts with current version] Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 22d98bd45c01e978c9ae439b7d9d1f3c3c65b102 net/batman-adv/distributed-arp-table.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index 60df823..0e57221 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -553,6 +553,7 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv, * be sent to * @bat_priv: the bat priv with all the soft interface information * @ip_dst: ipv4 to look up in the DHT + * @vid: VLAN identifier * * An originator O is selected if and only if its DHT_ID value is one of three * closest values (from the LEFT, with wrap around if needed) then the hash @@ -561,7 +562,8 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv, * Return: the candidate array of size BATADV_DAT_CANDIDATE_NUM. */ static struct batadv_dat_candidate * -batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) +batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst, + unsigned short vid) { int select; batadv_dat_addr_t last_max = BATADV_DAT_ADDR_MAX, ip_key; @@ -577,7 +579,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) return NULL; dat.ip = ip_dst; - dat.vid = 0; + dat.vid = vid; ip_key = (batadv_dat_addr_t)batadv_hash_dat(&dat, BATADV_DAT_ADDR_MAX); @@ -597,6 +599,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) * @bat_priv: the bat priv with all the soft interface information * @skb: payload to send * @ip: the DHT key + * @vid: VLAN identifier * @packet_subtype: unicast4addr packet subtype to use * * This function copies the skb with pskb_copy() and is sent as unicast packet @@ -607,7 +610,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) */ static bool batadv_dat_send_data(struct batadv_priv *bat_priv, struct sk_buff *skb, __be32 ip, - int packet_subtype) + unsigned short vid, int packet_subtype) { int i; bool ret = false; @@ -616,7 +619,7 @@ static bool batadv_dat_send_data(struct batadv_priv *bat_priv, struct sk_buff *tmp_skb; struct batadv_dat_candidate *cand; - cand = batadv_dat_select_candidates(bat_priv, ip); + cand = batadv_dat_select_candidates(bat_priv, ip, vid); if (!cand) goto out; @@ -1009,7 +1012,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv, ret = true; } else { /* Send the request to the DHT */ - ret = batadv_dat_send_data(bat_priv, skb, ip_dst, + ret = batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_GET); } out: @@ -1137,8 +1140,8 @@ void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv, /* Send the ARP reply to the candidates for both the IP addresses that * the node obtained from the ARP reply */ - batadv_dat_send_data(bat_priv, skb, ip_src, BATADV_P_DAT_DHT_PUT); - batadv_dat_send_data(bat_priv, skb, ip_dst, BATADV_P_DAT_DHT_PUT); + batadv_dat_send_data(bat_priv, skb, ip_src, vid, BATADV_P_DAT_DHT_PUT); + batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_PUT); } /**

6 years, 11 months

[batman-adv] master: batman-adv: Use kref_get for hard_iface subfunctions (04614cb)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit 04614cb8702d557e24f2181412abdf200d4ffe43 Author: Sven Eckelmann <sven(a)narfation.org> Date: Mon Apr 11 13:06:40 2016 +0200 batman-adv: Use kref_get for hard_iface subfunctions The callers of the functions using batadv_hard_iface objects already make sure that they hold a valid reference. The subfunctions don't have to check whether the reference counter is > 0 because this was checked by the callers. The kref_get function instead WARNs (with debug information) when the reference counter would still be 0. This makes a bug in batman-adv better visible because kref_get_unless_zero would have ignored this problem. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 04614cb8702d557e24f2181412abdf200d4ffe43 net/batman-adv/bat_iv_ogm.c | 14 +++----------- net/batman-adv/hard-interface.c | 7 +++---- net/batman-adv/originator.c | 30 +++++++----------------------- 3 files changed, 13 insertions(+), 38 deletions(-) diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index b390ff9..395019f 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -679,18 +679,12 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, unsigned char *skb_buff; unsigned int skb_size; - if (!kref_get_unless_zero(&if_incoming->refcount)) - return; - - if (!kref_get_unless_zero(&if_outgoing->refcount)) - goto out_free_incoming; - /* own packet should always be scheduled */ if (!own_packet) { if (!batadv_atomic_dec_not_zero(&bat_priv->batman_queue_left)) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "batman packet queue full\n"); - goto out_free_outgoing; + return; } } @@ -716,6 +710,8 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, forw_packet_aggr->packet_len = packet_len; memcpy(skb_buff, packet_buff, packet_len); + kref_get(&if_incoming->refcount); + kref_get(&if_outgoing->refcount); forw_packet_aggr->own = own_packet; forw_packet_aggr->if_incoming = if_incoming; forw_packet_aggr->if_outgoing = if_outgoing; @@ -745,10 +741,6 @@ out_free_forw_packet: out_nomem: if (!own_packet) atomic_inc(&bat_priv->batman_queue_left); -out_free_outgoing: - batadv_hardif_put(if_outgoing); -out_free_incoming: - batadv_hardif_put(if_incoming); } /* aggregate a new packet into the existing ogm packet */ diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 22cc5ec..1ef180a 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -236,8 +236,8 @@ static void batadv_primary_if_select(struct batadv_priv *bat_priv, ASSERT_RTNL(); - if (new_hard_iface && !kref_get_unless_zero(&new_hard_iface->refcount)) - new_hard_iface = NULL; + if (new_hard_iface) + kref_get(&new_hard_iface->refcount); curr_hard_iface = rcu_dereference_protected(bat_priv->primary_if, 1); rcu_assign_pointer(bat_priv->primary_if, new_hard_iface); @@ -464,8 +464,7 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) goto out; - if (!kref_get_unless_zero(&hard_iface->refcount)) - goto out; + kref_get(&hard_iface->refcount); soft_iface = dev_get_by_name(&init_net, iface_name); diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 275de41..0f50c43 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -381,12 +381,8 @@ batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node, if (!orig_ifinfo) goto out; - if (if_outgoing != BATADV_IF_DEFAULT && - !kref_get_unless_zero(&if_outgoing->refcount)) { - kfree(orig_ifinfo); - orig_ifinfo = NULL; - goto out; - } + if (if_outgoing != BATADV_IF_DEFAULT) + kref_get(&if_outgoing->refcount); reset_time = jiffies - 1; reset_time -= msecs_to_jiffies(BATADV_RESET_PROTECTION_MS); @@ -462,11 +458,8 @@ batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh, if (!neigh_ifinfo) goto out; - if (if_outgoing && !kref_get_unless_zero(&if_outgoing->refcount)) { - kfree(neigh_ifinfo); - neigh_ifinfo = NULL; - goto out; - } + if (if_outgoing) + kref_get(&if_outgoing->refcount); INIT_HLIST_NODE(&neigh_ifinfo->list); kref_init(&neigh_ifinfo->refcount); @@ -539,15 +532,11 @@ batadv_hardif_neigh_create(struct batadv_hard_iface *hard_iface, if (hardif_neigh) goto out; - if (!kref_get_unless_zero(&hard_iface->refcount)) - goto out; - hardif_neigh = kzalloc(sizeof(*hardif_neigh), GFP_ATOMIC); - if (!hardif_neigh) { - batadv_hardif_put(hard_iface); + if (!hardif_neigh) goto out; - } + kref_get(&hard_iface->refcount); INIT_HLIST_NODE(&hardif_neigh->list); ether_addr_copy(hardif_neigh->addr, neigh_addr); hardif_neigh->if_incoming = hard_iface; @@ -650,16 +639,11 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node, if (!neigh_node) goto out; - if (!kref_get_unless_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); + kref_get(&hard_iface->refcount); ether_addr_copy(neigh_node->addr, neigh_addr); neigh_node->if_incoming = hard_iface; neigh_node->orig_node = orig_node;

6 years, 11 months

[batman-adv] master's head updated: Merge branch 'next' (94b1a3f)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv Branch 'master' now includes: 289e386 batman-adv: Fix broadcast/ogm queue limit on a removed interface 94b1a3f Merge branch 'next'

6 years, 11 months

[batman-adv] master: Merge branch 'next' (94b1a3f)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv On branch : master >--------------------------------------------------------------- commit 94b1a3f11841e890e6e1ca36e37ddeebb49b00a5 Merge: 4390308 289e386 Author: Marek Lindner <mareklindner(a)neomailbox.ch> Date: Mon Apr 11 18:51:30 2016 +0800 Merge branch 'next' >--------------------------------------------------------------- 94b1a3f11841e890e6e1ca36e37ddeebb49b00a5 net/batman-adv/send.c | 6 ++++++ 1 file changed, 6 insertions(+)

6 years, 11 months

[batman-adv] next: batman-adv: Fix broadcast/ogm queue limit on a removed interface (289e386)

by postmaster＠open-mesh.org

Repository : ssh://git@open-mesh.org/batman-adv On branch : next >--------------------------------------------------------------- commit 289e386bcec0d469fc629019b349f47d17789911 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Fri Mar 11 14:04:49 2016 +0100 batman-adv: Fix broadcast/ogm queue limit on a removed interface When removing a single interface while a broadcast or ogm packet is still pending then we will free the forward packet without releasing the queue slots again. This patch is supposed to fix this issue. Fixes: d5bbce8465af ("batman-adv: Add missing hardif_free_ref in forw_packet_free") Signed-off-by: Linus Lüssing <linus.luessing(a)c0d3.blue> [sven(a)narfation.org: fix conflicts with current version] Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Marek Lindner <mareklindner(a)neomailbox.ch> >--------------------------------------------------------------- 289e386bcec0d469fc629019b349f47d17789911 net/batman-adv/send.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 3ce06e0..7641785 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -675,6 +675,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, if (pending) { hlist_del(&forw_packet->list); + if (!forw_packet->own) + atomic_inc(&bat_priv->bcast_queue_left); + batadv_forw_packet_free(forw_packet); } } @@ -702,6 +705,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, if (pending) { hlist_del(&forw_packet->list); + if (!forw_packet->own) + atomic_inc(&bat_priv->batman_queue_left); + batadv_forw_packet_free(forw_packet); } }

6 years, 11 months

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commits April 2016