commits November 2011

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batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit 7f1b2a091195b47d85576fa72fb97eaa07a4b5b9 Author: Antonio Quartulli <ordex(a)autistici.org> Date: Sun Oct 16 20:32:02 2011 +0200 batman-adv: linearise the tt_response skb only if needed The TT_RESPONSE skb has to be linearised only if the node plans to access the packet payload (so only if the message is directed to that node). In all the other cases the node can avoid this memory operation Signed-off-by: Antonio Quartulli <ordex(a)autistici.org> diff --git a/routing.c b/routing.c index 60ce407..e0e7b7b 100644 --- a/routing.c +++ b/routing.c @@ -616,13 +616,14 @@ int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) } break; case TT_RESPONSE: - /* packet needs to be linearized to access the TT changes */ - if (skb_linearize(skb) < 0) - goto out; + if (is_my_mac(tt_query->dst)) { + /* packet needs to be linearized to access the TT + * changes */ + if (skb_linearize(skb) < 0) + goto out; - if (is_my_mac(tt_query->dst)) handle_tt_response(bat_priv, tt_query); - else { + } else { bat_dbg(DBG_TT, bat_priv, "Routing TT_RESPONSE to %pM [%c]\n", tt_query->dst, -- batman-adv

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batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit e096f3862a486fd1a1cf024baf7e0b9f93dec6b9 Author: Antonio Quartulli <ordex(a)autistici.org> Date: Sun Oct 16 20:32:03 2011 +0200 batman-adv: check for tt_reponse packet real length Before accessing the TT_RESPONSE packet payload, the node has to ensure that the packet is long enough as it would expect to be. Reported-by: Simon Wunderlich <siwu(a)hrz.tu-chemnitz.de> Signed-off-by: Antonio Quartulli <ordex(a)autistici.org> diff --git a/routing.c b/routing.c index e0e7b7b..ef24a72 100644 --- a/routing.c +++ b/routing.c @@ -578,6 +578,7 @@ int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) { struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct tt_query_packet *tt_query; + uint16_t tt_len; struct ethhdr *ethhdr; /* drop packet if it has not necessary minimum size */ @@ -622,6 +623,14 @@ int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) if (skb_linearize(skb) < 0) goto out; + tt_len = tt_query->tt_data * sizeof(struct tt_change); + + /* Ensure we have all the claimed data */ + if (unlikely(skb_headlen(skb) < + sizeof(struct tt_query_packet) + + tt_len)) + goto out; + handle_tt_response(bat_priv, tt_query); } else { bat_dbg(DBG_TT, bat_priv, -- batman-adv

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batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit 00ca20ef24617946e37bf69ca0a374f86ea56e6b Author: Simon Wunderlich <simon.wunderlich(a)s2003.tu-chemnitz.de> Date: Sun Oct 30 16:22:43 2011 +0100 batman-adv: Fix range check for expected packets The check for new packets in the future used a wrong binary operator, which makes the check expression always true and accepting too many packets. Reported-by: Thomas Jarosch <thomas.jarosch(a)intra2net.com> Signed-off-by: Simon Wunderlich <siwu(a)hrz.tu-chemnitz.de> diff --git a/bitarray.c b/bitarray.c index 0be9ff3..9bc63b2 100644 --- a/bitarray.c +++ b/bitarray.c @@ -155,7 +155,7 @@ int bit_get_packet(void *priv, unsigned long *seq_bits, /* sequence number is much newer, probably missed a lot of packets */ if ((seq_num_diff >= TQ_LOCAL_WINDOW_SIZE) - || (seq_num_diff < EXPECTED_SEQNO_RANGE)) { + && (seq_num_diff < EXPECTED_SEQNO_RANGE)) { bat_dbg(DBG_BATMAN, bat_priv, "We missed a lot of packets (%i) !\n", seq_num_diff - 1); -- batman-adv

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batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit c5cb3c51eb0e58e2e8542918729fe57432933c16 Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Sep 30 13:32:00 2011 +0200 batman-adv: Don't use EXTRA_CFLAGS to add source version EXTRA_CFLAGS is deprecated since v2.6.23-2309-gf77bf01 and should not be used anymore to add additional flags for the c compiler. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/Makefile.kbuild b/Makefile.kbuild index 6377c17..bd7e93c 100644 --- a/Makefile.kbuild +++ b/Makefile.kbuild @@ -25,10 +25,10 @@ ifeq ($(MAKING_MODULES),1) -include $(TOPDIR)/Rules.make endif -# EXTRA_CFLAGS += -DCONFIG_BATMAN_ADV_DEBUG +# ccflags-y += -DCONFIG_BATMAN_ADV_DEBUG ifneq ($(REVISION),) -EXTRA_CFLAGS += -DSOURCE_VERSION=\"$(REVISION)\" +ccflags-y += -DSOURCE_VERSION=\"$(REVISION)\" endif obj-m += batman-adv.o diff --git a/README b/README index 1e000ee..5ba56b5 100644 --- a/README +++ b/README @@ -1,4 +1,4 @@ -[state: 21-08-2011] +[state: 30-09-2011] BATMAN-ADV ---------- @@ -206,7 +206,7 @@ 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 -#EXTRA_CFLAGS += -DCONFIG_BATMAN_ADV_DEBUG +#ccflags-y += -DCONFIG_BATMAN_ADV_DEBUG Those additional debug messages can be accessed using a special file in debugfs -- batman-adv

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batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit 8c111d3c27aa4889bcfe510fcb3a9cebbe0faad6 Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Sep 30 13:32:01 2011 +0200 batman-adv: Replace obsolete strict_strto<foo> with kstrto<foo> strict_strto<foo> is obsolete since v3.1-rc8-8466-g14acc55 and should be replaced with kstrto<foo>. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> diff --git a/bat_sysfs.c b/bat_sysfs.c index b8a7414..c25492f 100644 --- a/bat_sysfs.c +++ b/bat_sysfs.c @@ -174,7 +174,7 @@ static int store_uint_attr(const char *buff, size_t count, unsigned long uint_val; int ret; - ret = strict_strtoul(buff, 10, &uint_val); + ret = kstrtoul(buff, 10, &uint_val); if (ret) { bat_info(net_dev, "%s: Invalid parameter received: %s\n", @@ -239,7 +239,7 @@ static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr, unsigned long val; int ret, vis_mode_tmp = -1; - ret = strict_strtoul(buff, 10, &val); + ret = kstrtoul(buff, 10, &val); if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) || (strncmp(buff, "client", 6) == 0) || diff --git a/compat.h b/compat.h index 43654e8..64fbac7 100644 --- a/compat.h +++ b/compat.h @@ -55,6 +55,13 @@ #endif /* < KERNEL_VERSION(2, 6, 36) */ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) + +#define kstrtoul strict_strtoul +#define kstrtol strict_strtol + +#endif /* < KERNEL_VERSION(2, 6, 39) */ + #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0) #define kfree_rcu(ptr, rcu_head) call_rcu(&ptr->rcu_head, free_rcu_##ptr) diff --git a/gateway_common.c b/gateway_common.c index 18661af..c4ac7b0 100644 --- a/gateway_common.c +++ b/gateway_common.c @@ -97,7 +97,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff, *tmp_ptr = '\0'; } - ret = strict_strtol(buff, 10, &ldown); + ret = kstrtol(buff, 10, &ldown); if (ret) { bat_err(net_dev, "Download speed of gateway mode invalid: %s\n", @@ -122,7 +122,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff, *tmp_ptr = '\0'; } - ret = strict_strtol(slash_ptr + 1, 10, &lup); + ret = kstrtol(slash_ptr + 1, 10, &lup); if (ret) { bat_err(net_dev, "Upload speed of gateway mode invalid: " -- batman-adv

1 0

batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit afae4e42aae6469383ab5d408c326dd10a3aec9b Author: Marek Lindner <lindner_marek(a)yahoo.de> Date: Thu Sep 8 13:12:53 2011 +0200 batman-adv: refactoring gateway handling code Signed-off-by: Marek Lindner <lindner_marek(a)yahoo.de> Acked-by: Antonio Quartulli <ordex(a)autistici.org> diff --git a/gateway_client.c b/gateway_client.c index 619fb73..9373a14 100644 --- a/gateway_client.c +++ b/gateway_client.c @@ -25,6 +25,7 @@ #include "gateway_common.h" #include "hard-interface.h" #include "originator.h" +#include "translation-table.h" #include "routing.h" #include <linux/ip.h> #include <linux/ipv6.h> @@ -572,108 +573,142 @@ out: return ret; } -int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb, - struct orig_node *old_gw) +bool gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) { struct ethhdr *ethhdr; struct iphdr *iphdr; struct ipv6hdr *ipv6hdr; struct udphdr *udphdr; - struct gw_node *curr_gw; - struct neigh_node *neigh_curr = NULL, *neigh_old = NULL; - unsigned int header_len = 0; - int ret = 1; - - if (atomic_read(&bat_priv->gw_mode) == GW_MODE_OFF) - return 0; /* check for ethernet header */ - if (!pskb_may_pull(skb, header_len + ETH_HLEN)) - return 0; + if (!pskb_may_pull(skb, *header_len + ETH_HLEN)) + return false; ethhdr = (struct ethhdr *)skb->data; - header_len += ETH_HLEN; + *header_len += ETH_HLEN; /* check for initial vlan header */ if (ntohs(ethhdr->h_proto) == ETH_P_8021Q) { - if (!pskb_may_pull(skb, header_len + VLAN_HLEN)) - return 0; + if (!pskb_may_pull(skb, *header_len + VLAN_HLEN)) + return false; ethhdr = (struct ethhdr *)(skb->data + VLAN_HLEN); - header_len += VLAN_HLEN; + *header_len += VLAN_HLEN; } /* check for ip header */ switch (ntohs(ethhdr->h_proto)) { case ETH_P_IP: - if (!pskb_may_pull(skb, header_len + sizeof(*iphdr))) - return 0; - iphdr = (struct iphdr *)(skb->data + header_len); - header_len += iphdr->ihl * 4; + if (!pskb_may_pull(skb, *header_len + sizeof(*iphdr))) + return false; + iphdr = (struct iphdr *)(skb->data + *header_len); + *header_len += iphdr->ihl * 4; /* check for udp header */ if (iphdr->protocol != IPPROTO_UDP) - return 0; + return false; break; case ETH_P_IPV6: - if (!pskb_may_pull(skb, header_len + sizeof(*ipv6hdr))) - return 0; - ipv6hdr = (struct ipv6hdr *)(skb->data + header_len); - header_len += sizeof(*ipv6hdr); + if (!pskb_may_pull(skb, *header_len + sizeof(*ipv6hdr))) + return false; + ipv6hdr = (struct ipv6hdr *)(skb->data + *header_len); + *header_len += sizeof(*ipv6hdr); /* check for udp header */ if (ipv6hdr->nexthdr != IPPROTO_UDP) - return 0; + return false; break; default: - return 0; + return false; } - if (!pskb_may_pull(skb, header_len + sizeof(*udphdr))) - return 0; - udphdr = (struct udphdr *)(skb->data + header_len); - header_len += sizeof(*udphdr); + if (!pskb_may_pull(skb, *header_len + sizeof(*udphdr))) + return false; + udphdr = (struct udphdr *)(skb->data + *header_len); + *header_len += sizeof(*udphdr); /* check for bootp port */ if ((ntohs(ethhdr->h_proto) == ETH_P_IP) && (ntohs(udphdr->dest) != 67)) - return 0; + return false; if ((ntohs(ethhdr->h_proto) == ETH_P_IPV6) && (ntohs(udphdr->dest) != 547)) - return 0; + return false; - if (atomic_read(&bat_priv->gw_mode) == GW_MODE_SERVER) - return -1; + return true; +} - curr_gw = gw_get_selected_gw_node(bat_priv); - if (!curr_gw) - return 0; - - /* If old_gw != NULL then this packet is unicast. - * So, at this point we have to check the message type: if it is a - * DHCPREQUEST we have to decide whether to drop it or not */ - if (old_gw && curr_gw->orig_node != old_gw) { - if (is_type_dhcprequest(skb, header_len)) { - /* If the dhcp packet has been sent to a different gw, - * we have to evaluate whether the old gw is still - * reliable enough */ - neigh_curr = find_router(bat_priv, curr_gw->orig_node, - NULL); - neigh_old = find_router(bat_priv, old_gw, NULL); - if (!neigh_curr || !neigh_old) - goto free_neigh; - if (neigh_curr->tq_avg - neigh_old->tq_avg < - GW_THRESHOLD) - ret = -1; - } +bool gw_out_of_range(struct bat_priv *bat_priv, + struct sk_buff *skb, struct ethhdr *ethhdr) +{ + struct neigh_node *neigh_curr = NULL, *neigh_old = NULL; + struct orig_node *orig_dst_node = NULL; + struct gw_node *curr_gw = NULL; + bool ret, out_of_range = false; + unsigned int header_len = 0; + uint8_t curr_tq_avg; + + ret = gw_is_dhcp_target(skb, &header_len); + if (!ret) + goto out; + + orig_dst_node = transtable_search(bat_priv, ethhdr->h_source, + ethhdr->h_dest); + if (!orig_dst_node) + goto out; + + if (!orig_dst_node->gw_flags) + goto out; + + ret = is_type_dhcprequest(skb, header_len); + if (!ret) + goto out; + + switch (atomic_read(&bat_priv->gw_mode)) { + case GW_MODE_SERVER: + /* If we are a GW then we are our best GW. We can artificially + * set the tq towards ourself as the maximum value */ + curr_tq_avg = TQ_MAX_VALUE; + break; + case GW_MODE_CLIENT: + curr_gw = gw_get_selected_gw_node(bat_priv); + if (!curr_gw) + goto out; + + /* packet is going to our gateway */ + if (curr_gw->orig_node == orig_dst_node) + goto out; + + /* If the dhcp packet has been sent to a different gw, + * we have to evaluate whether the old gw is still + * reliable enough */ + neigh_curr = find_router(bat_priv, curr_gw->orig_node, NULL); + if (!neigh_curr) + goto out; + + curr_tq_avg = neigh_curr->tq_avg; + break; + case GW_MODE_OFF: + default: + goto out; } -free_neigh: + + neigh_old = find_router(bat_priv, orig_dst_node, NULL); + if (!!neigh_old) + goto out; + + if (curr_tq_avg - neigh_old->tq_avg > GW_THRESHOLD) + out_of_range = true; + +out: + if (orig_dst_node) + orig_node_free_ref(orig_dst_node); + if (curr_gw) + gw_node_free_ref(curr_gw); if (neigh_old) neigh_node_free_ref(neigh_old); if (neigh_curr) neigh_node_free_ref(neigh_curr); - if (curr_gw) - gw_node_free_ref(curr_gw); - return ret; + return out_of_range; } diff --git a/gateway_client.h b/gateway_client.h index b9b983c..e1edba0 100644 --- a/gateway_client.h +++ b/gateway_client.h @@ -31,7 +31,8 @@ void gw_node_update(struct bat_priv *bat_priv, void gw_node_delete(struct bat_priv *bat_priv, struct orig_node *orig_node); void gw_node_purge(struct bat_priv *bat_priv); int gw_client_seq_print_text(struct seq_file *seq, void *offset); -int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb, - struct orig_node *old_gw); +bool gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len); +bool gw_out_of_range(struct bat_priv *bat_priv, + struct sk_buff *skb, struct ethhdr *ethhdr); #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */ diff --git a/soft-interface.c b/soft-interface.c index 652fb7b..45297c8 100644 --- a/soft-interface.c +++ b/soft-interface.c @@ -563,10 +563,10 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) struct bcast_packet *bcast_packet; struct vlan_ethhdr *vhdr; struct softif_neigh *curr_softif_neigh = NULL; - struct orig_node *orig_node = NULL; + unsigned int header_len = 0; int data_len = skb->len, ret; short vid = -1; - bool do_bcast; + bool do_bcast = false; if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) goto dropped; @@ -598,17 +598,28 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) /* Register the client MAC in the transtable */ tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif); - orig_node = transtable_search(bat_priv, ethhdr->h_source, - ethhdr->h_dest); - do_bcast = is_multicast_ether_addr(ethhdr->h_dest); - if (do_bcast || (orig_node && orig_node->gw_flags)) { - ret = gw_is_target(bat_priv, skb, orig_node); + if (is_multicast_ether_addr(ethhdr->h_dest)) { + do_bcast = true; - if (ret < 0) - goto dropped; - - if (ret) - do_bcast = false; + switch (atomic_read(&bat_priv->gw_mode)) { + case GW_MODE_SERVER: + /* gateway servers should not send dhcp + * requests into the mesh */ + ret = gw_is_dhcp_target(skb, &header_len); + if (ret) + goto dropped; + break; + case GW_MODE_CLIENT: + /* gateway clients should send dhcp requests + * via unicast to their gateway */ + ret = gw_is_dhcp_target(skb, &header_len); + if (ret) + do_bcast = false; + break; + case GW_MODE_OFF: + default: + break; + } } /* ethernet packet should be broadcasted */ @@ -644,6 +655,12 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) /* unicast packet */ } else { + if (atomic_read(&bat_priv->gw_mode) != GW_MODE_OFF) { + ret = gw_out_of_range(bat_priv, skb, ethhdr); + if (ret) + goto dropped; + } + ret = unicast_send_skb(skb, bat_priv); if (ret != 0) goto dropped_freed; @@ -662,8 +679,6 @@ end: softif_neigh_free_ref(curr_softif_neigh); if (primary_if) hardif_free_ref(primary_if); - if (orig_node) - orig_node_free_ref(orig_node); return NETDEV_TX_OK; } -- batman-adv

1 0

batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit 62c7140c15a92b65144e1b26220ee40d874db1c1 Author: Antonio Quartulli <ordex(a)autistici.org> Date: Wed Oct 12 14:54:50 2011 +0200 batman-adv: use orig_hash_find() instead of get_orig_node() in TT code get_orig_node() tries to retrieve an orig_node object based on a mac address and creates it if not present. This is not the wanted behaviour in the translation table code as we don't want to create new orig_code objects but expect a NULL pointer if the object does not exist. Reported-by: Simon Wunderlich <siwu(a)hrz.tu-chemnitz.de> Signed-off-by: Antonio Quartulli <ordex(a)autistici.org> diff --git a/translation-table.c b/translation-table.c index 7de9960..6102cd2 100644 --- a/translation-table.c +++ b/translation-table.c @@ -1170,11 +1170,11 @@ static bool send_other_tt_response(struct bat_priv *bat_priv, (tt_request->flags & TT_FULL_TABLE ? 'F' : '.')); /* Let's get the orig node of the REAL destination */ - req_dst_orig_node = get_orig_node(bat_priv, tt_request->dst); + req_dst_orig_node = orig_hash_find(bat_priv, tt_request->dst); if (!req_dst_orig_node) goto out; - res_dst_orig_node = get_orig_node(bat_priv, tt_request->src); + res_dst_orig_node = orig_hash_find(bat_priv, tt_request->src); if (!res_dst_orig_node) goto out; @@ -1300,7 +1300,7 @@ static bool send_my_tt_response(struct bat_priv *bat_priv, my_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn); req_ttvn = tt_request->ttvn; - orig_node = get_orig_node(bat_priv, tt_request->src); + orig_node = orig_hash_find(bat_priv, tt_request->src); if (!orig_node) goto out; -- batman-adv

1 0

batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit 3a0a234222758b84d99e7f62d5d466a06128ffcb Author: Antonio Quartulli <ordex(a)autistici.org> Date: Wed Oct 5 17:05:25 2011 +0200 batman-adv: fixed hash functions type to uint32_t instead of int There are two reasons for this fix: - the result of choose_orig() and vis_choose() is an index and therefore it can't be negative. Hence it is correct to make the return type unsigned too. - sizeof(int) may not be the same on ALL the architectures. Since we plan to use choose_orig() as DHT hash function, we need to guarantee that, given the same argument, the result is the same. Then it is correct to explicitly express the size of the return type (and the second argument). Since the expected length is currently 4, uint32_t is the most convenient choice. Signed-off-by: Antonio Quartulli <ordex(a)autistici.org> diff --git a/hash.c b/hash.c index 2a17250..d1da29d 100644 --- a/hash.c +++ b/hash.c @@ -25,7 +25,7 @@ /* clears the hash */ static void hash_init(struct hashtable_t *hash) { - int i; + uint32_t i; for (i = 0 ; i < hash->size; i++) { INIT_HLIST_HEAD(&hash->table[i]); @@ -42,7 +42,7 @@ void hash_destroy(struct hashtable_t *hash) } /* allocates and clears the hash */ -struct hashtable_t *hash_new(int size) +struct hashtable_t *hash_new(uint32_t size) { struct hashtable_t *hash; diff --git a/hash.h b/hash.h index d20aa71..4768717 100644 --- a/hash.h +++ b/hash.h @@ -33,17 +33,17 @@ typedef int (*hashdata_compare_cb)(const struct hlist_node *, const void *); /* the hashfunction, should return an index * based on the key in the data of the first * argument and the size the second */ -typedef int (*hashdata_choose_cb)(const void *, int); +typedef uint32_t (*hashdata_choose_cb)(const void *, uint32_t); typedef void (*hashdata_free_cb)(struct hlist_node *, void *); struct hashtable_t { struct hlist_head *table; /* the hashtable itself with the buckets */ spinlock_t *list_locks; /* spinlock for each hash list entry */ - int size; /* size of hashtable */ + uint32_t size; /* size of hashtable */ }; /* allocates and clears the hash */ -struct hashtable_t *hash_new(int size); +struct hashtable_t *hash_new(uint32_t size); /* free only the hashtable and the hash itself. */ void hash_destroy(struct hashtable_t *hash); @@ -57,7 +57,7 @@ static inline void hash_delete(struct hashtable_t *hash, struct hlist_head *head; struct hlist_node *node, *node_tmp; spinlock_t *list_lock; /* spinlock to protect write access */ - int i; + uint32_t i; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -93,7 +93,8 @@ static inline int hash_add(struct hashtable_t *hash, hashdata_choose_cb choose, const void *data, struct hlist_node *data_node) { - int index, ret = -1; + uint32_t index; + int ret = -1; struct hlist_head *head; struct hlist_node *node; spinlock_t *list_lock; /* spinlock to protect write access */ @@ -137,7 +138,7 @@ static inline void *hash_remove(struct hashtable_t *hash, hashdata_compare_cb compare, hashdata_choose_cb choose, void *data) { - size_t index; + uint32_t index; struct hlist_node *node; struct hlist_head *head; void *data_save = NULL; diff --git a/originator.c b/originator.c index 0e5b772..0bc2045 100644 --- a/originator.c +++ b/originator.c @@ -164,7 +164,7 @@ void originator_free(struct bat_priv *bat_priv) struct hlist_head *head; spinlock_t *list_lock; /* spinlock to protect write access */ struct orig_node *orig_node; - int i; + uint32_t i; if (!hash) return; @@ -350,7 +350,7 @@ static void _purge_orig(struct bat_priv *bat_priv) struct hlist_head *head; spinlock_t *list_lock; /* spinlock to protect write access */ struct orig_node *orig_node; - int i; + uint32_t i; if (!hash) return; @@ -413,7 +413,8 @@ int orig_seq_print_text(struct seq_file *seq, void *offset) int batman_count = 0; int last_seen_secs; int last_seen_msecs; - int i, ret = 0; + uint32_t i; + int ret = 0; primary_if = primary_if_get_selected(bat_priv); @@ -519,7 +520,8 @@ int orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num) struct hlist_node *node; struct hlist_head *head; struct orig_node *orig_node; - int i, ret; + uint32_t i; + int ret; /* resize all orig nodes because orig_node->bcast_own(_sum) depend on * if_num */ @@ -601,7 +603,8 @@ int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num) struct hlist_head *head; struct hard_iface *hard_iface_tmp; struct orig_node *orig_node; - int i, ret; + uint32_t i; + int ret; /* resize all orig nodes because orig_node->bcast_own(_sum) depend on * if_num */ diff --git a/originator.h b/originator.h index cfc1f60..67765ff 100644 --- a/originator.h +++ b/originator.h @@ -42,7 +42,7 @@ int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num); /* hashfunction to choose an entry in a hash table of given size */ /* hash algorithm from http://en.wikipedia.org/wiki/Hash_table */ -static inline int choose_orig(const void *data, int32_t size) +static inline uint32_t choose_orig(const void *data, uint32_t size) { const unsigned char *key = data; uint32_t hash = 0; diff --git a/routing.c b/routing.c index f961cc5..60ce407 100644 --- a/routing.c +++ b/routing.c @@ -39,7 +39,7 @@ void slide_own_bcast_window(struct hard_iface *hard_iface) struct hlist_head *head; struct orig_node *orig_node; unsigned long *word; - int i; + uint32_t i; size_t word_index; for (i = 0; i < hash->size; i++) { diff --git a/translation-table.c b/translation-table.c index 6102cd2..2d2cfc1 100644 --- a/translation-table.c +++ b/translation-table.c @@ -67,7 +67,7 @@ static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv, struct hlist_head *head; struct hlist_node *node; struct tt_local_entry *tt_local_entry, *tt_local_entry_tmp = NULL; - int index; + uint32_t index; if (!hash) return NULL; @@ -99,7 +99,7 @@ static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv, struct hlist_node *node; struct tt_global_entry *tt_global_entry; struct tt_global_entry *tt_global_entry_tmp = NULL; - int index; + uint32_t index; if (!hash) return NULL; @@ -304,7 +304,8 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset) struct hlist_head *head; size_t buf_size, pos; char *buff; - int i, ret = 0; + uint32_t i; + int ret = 0; primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { @@ -415,7 +416,7 @@ static void tt_local_purge(struct bat_priv *bat_priv) struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -453,7 +454,7 @@ static void tt_local_table_free(struct bat_priv *bat_priv) struct tt_local_entry *tt_local_entry; struct hlist_node *node, *node_tmp; struct hlist_head *head; - int i; + uint32_t i; if (!bat_priv->tt_local_hash) return; @@ -580,7 +581,8 @@ int tt_global_seq_print_text(struct seq_file *seq, void *offset) struct hlist_head *head; size_t buf_size, pos; char *buff; - int i, ret = 0; + uint32_t i; + int ret = 0; primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { @@ -704,7 +706,7 @@ void tt_global_del_orig(struct bat_priv *bat_priv, struct orig_node *orig_node, const char *message) { struct tt_global_entry *tt_global_entry; - int i; + uint32_t i; struct hashtable_t *hash = bat_priv->tt_global_hash; struct hlist_node *node, *safe; struct hlist_head *head; @@ -740,7 +742,7 @@ static void tt_global_roam_purge(struct bat_priv *bat_priv) struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -774,7 +776,7 @@ static void tt_global_table_free(struct bat_priv *bat_priv) struct tt_global_entry *tt_global_entry; struct hlist_node *node, *node_tmp; struct hlist_head *head; - int i; + uint32_t i; if (!bat_priv->tt_global_hash) return; @@ -860,7 +862,8 @@ uint16_t tt_global_crc(struct bat_priv *bat_priv, struct orig_node *orig_node) struct tt_global_entry *tt_global_entry; struct hlist_node *node; struct hlist_head *head; - int i, j; + uint32_t i; + int j; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -897,7 +900,8 @@ uint16_t tt_local_crc(struct bat_priv *bat_priv) struct tt_local_entry *tt_local_entry; struct hlist_node *node; struct hlist_head *head; - int i, j; + uint32_t i; + int j; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -1034,7 +1038,7 @@ static struct sk_buff *tt_response_fill_table(uint16_t tt_len, uint8_t ttvn, struct sk_buff *skb = NULL; uint16_t tt_tot, tt_count; ssize_t tt_query_size = sizeof(struct tt_query_packet); - int i; + uint32_t i; if (tt_query_size + tt_len > primary_if->soft_iface->mtu) { tt_len = primary_if->soft_iface->mtu - tt_query_size; @@ -1708,7 +1712,7 @@ void tt_free(struct bat_priv *bat_priv) * entry */ static void tt_local_reset_flags(struct bat_priv *bat_priv, uint16_t flags) { - int i; + uint32_t i; struct hashtable_t *hash = bat_priv->tt_local_hash; struct hlist_head *head; struct hlist_node *node; @@ -1739,7 +1743,7 @@ static void tt_local_purge_pending_clients(struct bat_priv *bat_priv) struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; if (!hash) return; diff --git a/vis.c b/vis.c index f81a6b6..7445413 100644 --- a/vis.c +++ b/vis.c @@ -66,7 +66,7 @@ static int vis_info_cmp(const struct hlist_node *node, const void *data2) /* hash function to choose an entry in a hash table of given size */ /* hash algorithm from http://en.wikipedia.org/wiki/Hash_table */ -static int vis_info_choose(const void *data, int size) +static uint32_t vis_info_choose(const void *data, uint32_t size) { const struct vis_info *vis_info = data; const struct vis_packet *packet; @@ -96,7 +96,7 @@ static struct vis_info *vis_hash_find(struct bat_priv *bat_priv, struct hlist_head *head; struct hlist_node *node; struct vis_info *vis_info, *vis_info_tmp = NULL; - int index; + uint32_t index; if (!hash) return NULL; @@ -202,7 +202,8 @@ int vis_seq_print_text(struct seq_file *seq, void *offset) HLIST_HEAD(vis_if_list); struct if_list_entry *entry; struct hlist_node *pos, *n; - int i, j, ret = 0; + uint32_t i; + int j, ret = 0; int vis_server = atomic_read(&bat_priv->vis_mode); size_t buff_pos, buf_size; char *buff; @@ -556,7 +557,8 @@ static int find_best_vis_server(struct bat_priv *bat_priv, struct hlist_head *head; struct orig_node *orig_node; struct vis_packet *packet; - int best_tq = -1, i; + int best_tq = -1; + uint32_t i; packet = (struct vis_packet *)info->skb_packet->data; @@ -608,7 +610,8 @@ static int generate_vis_packet(struct bat_priv *bat_priv) struct vis_packet *packet = (struct vis_packet *)info->skb_packet->data; struct vis_info_entry *entry; struct tt_local_entry *tt_local_entry; - int best_tq = -1, i; + int best_tq = -1; + uint32_t i; info->first_seen = jiffies; packet->vis_type = atomic_read(&bat_priv->vis_mode); @@ -696,7 +699,7 @@ unlock: * held */ static void purge_vis_packets(struct bat_priv *bat_priv) { - int i; + uint32_t i; struct hashtable_t *hash = bat_priv->vis_hash; struct hlist_node *node, *node_tmp; struct hlist_head *head; @@ -733,7 +736,7 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv, struct sk_buff *skb; struct hard_iface *hard_iface; uint8_t dstaddr[ETH_ALEN]; - int i; + uint32_t i; packet = (struct vis_packet *)info->skb_packet->data; -- batman-adv

1 0

batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit ec619d0f3b6438bbbcc8aeb5a9c0899f6cc491fb Merge: 3a0a234222758b84d99e7f62d5d466a06128ffcb 81f834b4f278b8f1a79ea412f142ef45d63ab7ca Author: Marek Lindner <lindner_marek(a)yahoo.de> Date: Mon Oct 17 14:02:22 2011 +0200 Merge branch 'next' diff --combined translation-table.c index 2d2cfc1,04ad2a4..d4a3917 --- a/translation-table.c +++ b/translation-table.c @@@ -67,7 -67,7 +67,7 @@@ static struct tt_local_entry *tt_local_ struct hlist_head *head; struct hlist_node *node; struct tt_local_entry *tt_local_entry, *tt_local_entry_tmp = NULL; - int index; + uint32_t index; if (!hash) return NULL; @@@ -99,7 -99,7 +99,7 @@@ static struct tt_global_entry *tt_globa struct hlist_node *node; struct tt_global_entry *tt_global_entry; struct tt_global_entry *tt_global_entry_tmp = NULL; - int index; + uint32_t index; if (!hash) return NULL; @@@ -304,8 -304,7 +304,8 @@@ int tt_local_seq_print_text(struct seq_ struct hlist_head *head; size_t buf_size, pos; char *buff; - int i, ret = 0; + uint32_t i; + int ret = 0; primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { @@@ -416,7 -415,7 +416,7 @@@ static void tt_local_purge(struct bat_p struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -454,7 -453,7 +454,7 @@@ static void tt_local_table_free(struct struct tt_local_entry *tt_local_entry; struct hlist_node *node, *node_tmp; struct hlist_head *head; - int i; + uint32_t i; if (!bat_priv->tt_local_hash) return; @@@ -581,8 -580,7 +581,8 @@@ int tt_global_seq_print_text(struct seq struct hlist_head *head; size_t buf_size, pos; char *buff; - int i, ret = 0; + uint32_t i; + int ret = 0; primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { @@@ -706,7 -704,7 +706,7 @@@ void tt_global_del_orig(struct bat_pri struct orig_node *orig_node, const char *message) { struct tt_global_entry *tt_global_entry; - int i; + uint32_t i; struct hashtable_t *hash = bat_priv->tt_global_hash; struct hlist_node *node, *safe; struct hlist_head *head; @@@ -722,10 -720,9 +722,10 @@@ if (tt_global_entry->orig_node == orig_node) { bat_dbg(DBG_TT, bat_priv, "Deleting global tt entry %pM " - "(via %pM): originator time out\n", + "(via %pM): %s\n", tt_global_entry->addr, - tt_global_entry->orig_node->orig); + tt_global_entry->orig_node->orig, + message); hlist_del_rcu(node); tt_global_entry_free_ref(tt_global_entry); } @@@ -742,7 -739,7 +742,7 @@@ static void tt_global_roam_purge(struc struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -776,7 -773,7 +776,7 @@@ static void tt_global_table_free(struc struct tt_global_entry *tt_global_entry; struct hlist_node *node, *node_tmp; struct hlist_head *head; - int i; + uint32_t i; if (!bat_priv->tt_global_hash) return; @@@ -862,8 -859,7 +862,8 @@@ uint16_t tt_global_crc(struct bat_priv struct tt_global_entry *tt_global_entry; struct hlist_node *node; struct hlist_head *head; - int i, j; + uint32_t i; + int j; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -900,8 -896,7 +900,8 @@@ uint16_t tt_local_crc(struct bat_priv * struct tt_local_entry *tt_local_entry; struct hlist_node *node; struct hlist_head *head; - int i, j; + uint32_t i; + int j; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -1038,7 -1033,7 +1038,7 @@@ static struct sk_buff *tt_response_fill struct sk_buff *skb = NULL; uint16_t tt_tot, tt_count; ssize_t tt_query_size = sizeof(struct tt_query_packet); - int i; + uint32_t i; if (tt_query_size + tt_len > primary_if->soft_iface->mtu) { tt_len = primary_if->soft_iface->mtu - tt_query_size; @@@ -1174,11 -1169,11 +1174,11 @@@ static bool send_other_tt_response(stru (tt_request->flags & TT_FULL_TABLE ? 'F' : '.')); /* Let's get the orig node of the REAL destination */ - req_dst_orig_node = get_orig_node(bat_priv, tt_request->dst); + req_dst_orig_node = orig_hash_find(bat_priv, tt_request->dst); if (!req_dst_orig_node) goto out; - res_dst_orig_node = get_orig_node(bat_priv, tt_request->src); + res_dst_orig_node = orig_hash_find(bat_priv, tt_request->src); if (!res_dst_orig_node) goto out; @@@ -1304,7 -1299,7 +1304,7 @@@ static bool send_my_tt_response(struct my_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn); req_ttvn = tt_request->ttvn; - orig_node = get_orig_node(bat_priv, tt_request->src); + orig_node = orig_hash_find(bat_priv, tt_request->src); if (!orig_node) goto out; @@@ -1712,7 -1707,7 +1712,7 @@@ void tt_free(struct bat_priv *bat_priv * entry */ static void tt_local_reset_flags(struct bat_priv *bat_priv, uint16_t flags) { - int i; + uint32_t i; struct hashtable_t *hash = bat_priv->tt_local_hash; struct hlist_head *head; struct hlist_node *node; @@@ -1727,6 -1722,8 +1727,8 @@@ rcu_read_lock(); hlist_for_each_entry_rcu(tt_local_entry, node, head, hash_entry) { + if (!(tt_local_entry->flags & flags)) + continue; tt_local_entry->flags &= ~flags; atomic_inc(&bat_priv->num_local_tt); } @@@ -1743,7 -1740,7 +1745,7 @@@ static void tt_local_purge_pending_clie struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; if (!hash) return; -- batman-adv

1 0

batman-adv; branch, next, updated. v2011.4.0-20-gb42bb08
by postmaster＠open-mesh.org 14 Nov '11

14 Nov '11

The following commit has been merged in the next branch: commit f8a89f0c03dadc2eb95481062b69c044442fdaa7 Merge: ec619d0f3b6438bbbcc8aeb5a9c0899f6cc491fb 76a7cd1d3775d31a333d958b57894ef01cefd208 Author: Marek Lindner <lindner_marek(a)yahoo.de> Date: Mon Oct 17 14:43:45 2011 +0200 Merge branch 'next' diff --combined translation-table.c index d4a3917,873fb3d..c2af2b1 --- a/translation-table.c +++ b/translation-table.c @@@ -67,7 -67,7 +67,7 @@@ static struct tt_local_entry *tt_local_ struct hlist_head *head; struct hlist_node *node; struct tt_local_entry *tt_local_entry, *tt_local_entry_tmp = NULL; - int index; + uint32_t index; if (!hash) return NULL; @@@ -99,7 -99,7 +99,7 @@@ static struct tt_global_entry *tt_globa struct hlist_node *node; struct tt_global_entry *tt_global_entry; struct tt_global_entry *tt_global_entry_tmp = NULL; - int index; + uint32_t index; if (!hash) return NULL; @@@ -304,8 -304,7 +304,8 @@@ int tt_local_seq_print_text(struct seq_ struct hlist_head *head; size_t buf_size, pos; char *buff; - int i, ret = 0; + uint32_t i; + int ret = 0; primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { @@@ -416,7 -415,7 +416,7 @@@ static void tt_local_purge(struct bat_p struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -454,7 -453,7 +454,7 @@@ static void tt_local_table_free(struct struct tt_local_entry *tt_local_entry; struct hlist_node *node, *node_tmp; struct hlist_head *head; - int i; + uint32_t i; if (!bat_priv->tt_local_hash) return; @@@ -581,8 -580,7 +581,8 @@@ int tt_global_seq_print_text(struct seq struct hlist_head *head; size_t buf_size, pos; char *buff; - int i, ret = 0; + uint32_t i; + int ret = 0; primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { @@@ -706,7 -704,7 +706,7 @@@ void tt_global_del_orig(struct bat_pri struct orig_node *orig_node, const char *message) { struct tt_global_entry *tt_global_entry; - int i; + uint32_t i; struct hashtable_t *hash = bat_priv->tt_global_hash; struct hlist_node *node, *safe; struct hlist_head *head; @@@ -722,10 -720,9 +722,10 @@@ if (tt_global_entry->orig_node == orig_node) { bat_dbg(DBG_TT, bat_priv, "Deleting global tt entry %pM " - "(via %pM): originator time out\n", + "(via %pM): %s\n", tt_global_entry->addr, - tt_global_entry->orig_node->orig); + tt_global_entry->orig_node->orig, + message); hlist_del_rcu(node); tt_global_entry_free_ref(tt_global_entry); } @@@ -742,7 -739,7 +742,7 @@@ static void tt_global_roam_purge(struc struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -776,7 -773,7 +776,7 @@@ static void tt_global_table_free(struc struct tt_global_entry *tt_global_entry; struct hlist_node *node, *node_tmp; struct hlist_head *head; - int i; + uint32_t i; if (!bat_priv->tt_global_hash) return; @@@ -862,8 -859,7 +862,8 @@@ uint16_t tt_global_crc(struct bat_priv struct tt_global_entry *tt_global_entry; struct hlist_node *node; struct hlist_head *head; - int i, j; + uint32_t i; + int j; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -900,8 -896,7 +900,8 @@@ uint16_t tt_local_crc(struct bat_priv * struct tt_local_entry *tt_local_entry; struct hlist_node *node; struct hlist_head *head; - int i, j; + uint32_t i; + int j; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -1038,7 -1033,7 +1038,7 @@@ static struct sk_buff *tt_response_fill struct sk_buff *skb = NULL; uint16_t tt_tot, tt_count; ssize_t tt_query_size = sizeof(struct tt_query_packet); - int i; + uint32_t i; if (tt_query_size + tt_len > primary_if->soft_iface->mtu) { tt_len = primary_if->soft_iface->mtu - tt_query_size; @@@ -1054,7 -1049,6 +1054,6 @@@ tt_response = (struct tt_query_packet *)skb_put(skb, tt_query_size + tt_len); tt_response->ttvn = ttvn; - tt_response->tt_data = htons(tt_tot); tt_change = (struct tt_change *)(skb->data + tt_query_size); tt_count = 0; @@@ -1080,6 -1074,10 +1079,10 @@@ } rcu_read_unlock(); + /* store in the message the number of entries we have successfully + * copied */ + tt_response->tt_data = htons(tt_count); + out: return skb; } @@@ -1174,11 -1172,11 +1177,11 @@@ static bool send_other_tt_response(stru (tt_request->flags & TT_FULL_TABLE ? 'F' : '.')); /* Let's get the orig node of the REAL destination */ - req_dst_orig_node = get_orig_node(bat_priv, tt_request->dst); + req_dst_orig_node = orig_hash_find(bat_priv, tt_request->dst); if (!req_dst_orig_node) goto out; - res_dst_orig_node = get_orig_node(bat_priv, tt_request->src); + res_dst_orig_node = orig_hash_find(bat_priv, tt_request->src); if (!res_dst_orig_node) goto out; @@@ -1304,7 -1302,7 +1307,7 @@@ static bool send_my_tt_response(struct my_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn); req_ttvn = tt_request->ttvn; - orig_node = get_orig_node(bat_priv, tt_request->src); + orig_node = orig_hash_find(bat_priv, tt_request->src); if (!orig_node) goto out; @@@ -1712,7 -1710,7 +1715,7 @@@ void tt_free(struct bat_priv *bat_priv * entry */ static void tt_local_reset_flags(struct bat_priv *bat_priv, uint16_t flags) { - int i; + uint32_t i; struct hashtable_t *hash = bat_priv->tt_local_hash; struct hlist_head *head; struct hlist_node *node; @@@ -1745,7 -1743,7 +1748,7 @@@ static void tt_local_purge_pending_clie struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - int i; + uint32_t i; if (!hash) return; -- batman-adv

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commits November 2011