]> err.no Git - linux-2.6/blobdiff - net/netfilter/nfnetlink_queue.c
[PATCH] Clean up struct flock definitions
[linux-2.6] / net / netfilter / nfnetlink_queue.c
index d7b0330d64b4416e13711400c42d14b9aeccc2fe..249bddb28acd9057bccac1b89960ecc8994041b3 100644 (file)
 
 #include <asm/atomic.h>
 
+#ifdef CONFIG_BRIDGE_NETFILTER
+#include "../bridge/br_private.h"
+#endif
+
 #define NFQNL_QMAX_DEFAULT 1024
 
 #if 0
@@ -72,17 +76,6 @@ typedef int (*nfqnl_cmpfn)(struct nfqnl_queue_entry *, unsigned long);
 
 static DEFINE_RWLOCK(instances_lock);
 
-u_int64_t htonll(u_int64_t in)
-{
-       u_int64_t out;
-       int i;
-
-       for (i = 0; i < sizeof(u_int64_t); i++)
-               ((u_int8_t *)&out)[sizeof(u_int64_t)-1] = ((u_int8_t *)&in)[i];
-
-       return out;
-}
-
 #define INSTANCE_BUCKETS       16
 static struct hlist_head instance_table[INSTANCE_BUCKETS];
 
@@ -361,6 +354,10 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
        size =    NLMSG_SPACE(sizeof(struct nfqnl_msg_packet_hdr))
                + NLMSG_SPACE(sizeof(u_int32_t))        /* ifindex */
                + NLMSG_SPACE(sizeof(u_int32_t))        /* ifindex */
+#ifdef CONFIG_BRIDGE_NETFILTER
+               + NLMSG_SPACE(sizeof(u_int32_t))        /* ifindex */
+               + NLMSG_SPACE(sizeof(u_int32_t))        /* ifindex */
+#endif
                + NLMSG_SPACE(sizeof(u_int32_t))        /* mark */
                + NLMSG_SPACE(sizeof(struct nfqnl_msg_packet_hw))
                + NLMSG_SPACE(sizeof(struct nfqnl_msg_packet_timestamp));
@@ -412,12 +409,62 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 
        if (entry->info->indev) {
                tmp_uint = htonl(entry->info->indev->ifindex);
+#ifndef CONFIG_BRIDGE_NETFILTER
                NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint), &tmp_uint);
+#else
+               if (entry->info->pf == PF_BRIDGE) {
+                       /* Case 1: indev is physical input device, we need to
+                        * look for bridge group (when called from 
+                        * netfilter_bridge) */
+                       NFA_PUT(skb, NFQA_IFINDEX_PHYSINDEV, sizeof(tmp_uint), 
+                               &tmp_uint);
+                       /* this is the bridge group "brX" */
+                       tmp_uint = htonl(entry->info->indev->br_port->br->dev->ifindex);
+                       NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint),
+                               &tmp_uint);
+               } else {
+                       /* Case 2: indev is bridge group, we need to look for
+                        * physical device (when called from ipv4) */
+                       NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint),
+                               &tmp_uint);
+                       if (entry->skb->nf_bridge
+                           && entry->skb->nf_bridge->physindev) {
+                               tmp_uint = htonl(entry->skb->nf_bridge->physindev->ifindex);
+                               NFA_PUT(skb, NFQA_IFINDEX_PHYSINDEV,
+                                       sizeof(tmp_uint), &tmp_uint);
+                       }
+               }
+#endif
        }
 
        if (entry->info->outdev) {
                tmp_uint = htonl(entry->info->outdev->ifindex);
+#ifndef CONFIG_BRIDGE_NETFILTER
                NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint), &tmp_uint);
+#else
+               if (entry->info->pf == PF_BRIDGE) {
+                       /* Case 1: outdev is physical output device, we need to
+                        * look for bridge group (when called from 
+                        * netfilter_bridge) */
+                       NFA_PUT(skb, NFQA_IFINDEX_PHYSOUTDEV, sizeof(tmp_uint),
+                               &tmp_uint);
+                       /* this is the bridge group "brX" */
+                       tmp_uint = htonl(entry->info->outdev->br_port->br->dev->ifindex);
+                       NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint),
+                               &tmp_uint);
+               } else {
+                       /* Case 2: outdev is bridge group, we need to look for
+                        * physical output device (when called from ipv4) */
+                       NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint),
+                               &tmp_uint);
+                       if (entry->skb->nf_bridge
+                           && entry->skb->nf_bridge->physoutdev) {
+                               tmp_uint = htonl(entry->skb->nf_bridge->physoutdev->ifindex);
+                               NFA_PUT(skb, NFQA_IFINDEX_PHYSOUTDEV,
+                                       sizeof(tmp_uint), &tmp_uint);
+                       }
+               }
+#endif
        }
 
        if (entry->skb->nfmark) {
@@ -436,11 +483,11 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
                NFA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw);
        }
 
-       if (entry->skb->stamp.tv_sec) {
+       if (entry->skb->tstamp.off_sec) {
                struct nfqnl_msg_packet_timestamp ts;
 
-               ts.sec = htonll(entry->skb->stamp.tv_sec);
-               ts.usec = htonll(entry->skb->stamp.tv_usec);
+               ts.sec = cpu_to_be64(skb_tv_base.tv_sec + entry->skb->tstamp.off_sec);
+               ts.usec = cpu_to_be64(skb_tv_base.tv_usec + entry->skb->tstamp.off_usec);
 
                NFA_PUT(skb, NFQA_TIMESTAMP, sizeof(ts), &ts);
        }
@@ -787,6 +834,11 @@ static const int nfqa_cfg_min[NFQA_CFG_MAX] = {
        [NFQA_CFG_PARAMS-1]     = sizeof(struct nfqnl_msg_config_params),
 };
 
+static struct nf_queue_handler nfqh = {
+       .name   = "nf_queue",
+       .outfn  = &nfqnl_enqueue_packet,
+};
+
 static int
 nfqnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
                  struct nlmsghdr *nlh, struct nfattr *nfqa[], int *errp)
@@ -832,10 +884,7 @@ nfqnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
                case NFQNL_CFG_CMD_PF_BIND:
                        QDEBUG("registering queue handler for pf=%u\n",
                                ntohs(cmd->pf));
-                       ret = nf_register_queue_handler(ntohs(cmd->pf),
-                                                       nfqnl_enqueue_packet,
-                                                       NULL);
-
+                       ret = nf_register_queue_handler(ntohs(cmd->pf), &nfqh);
                        break;
                case NFQNL_CFG_CMD_PF_UNBIND:
                        QDEBUG("unregistering queue handler for pf=%u\n",
@@ -877,10 +926,13 @@ out_put:
 
 static struct nfnl_callback nfqnl_cb[NFQNL_MSG_MAX] = {
        [NFQNL_MSG_PACKET]      = { .call = nfqnl_recv_unsupp,
+                                   .attr_count = NFQA_MAX,
                                    .cap_required = CAP_NET_ADMIN },
        [NFQNL_MSG_VERDICT]     = { .call = nfqnl_recv_verdict,
+                                   .attr_count = NFQA_MAX,
                                    .cap_required = CAP_NET_ADMIN },
        [NFQNL_MSG_CONFIG]      = { .call = nfqnl_recv_config,
+                                   .attr_count = NFQA_CFG_MAX,
                                    .cap_required = CAP_NET_ADMIN },
 };
 
@@ -888,7 +940,6 @@ static struct nfnetlink_subsystem nfqnl_subsys = {
        .name           = "nf_queue",
        .subsys_id      = NFNL_SUBSYS_QUEUE,
        .cb_count       = NFQNL_MSG_MAX,
-       .attr_count     = NFQA_MAX,
        .cb             = nfqnl_cb,
 };
 
@@ -1038,7 +1089,7 @@ init_or_cleanup(int init)
        return status;
 
 cleanup:
-       nf_unregister_queue_handlers(nfqnl_enqueue_packet);
+       nf_unregister_queue_handlers(&nfqh);
        unregister_netdevice_notifier(&nfqnl_dev_notifier);
 #ifdef CONFIG_PROC_FS
        remove_proc_entry("nfnetlink_queue", proc_net_netfilter);