X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fappletalk%2Faarp.c;h=61166f66479f770a1e63701a4597ec80709a2972;hb=075de9395760d6d181078f863e676e81c06e1af2;hp=c34614ea5fcedcdc898c75c014a6c36ecfe65d4d;hpb=c1b054d03f5b31c33eaa0b267c629b118eaf3790;p=linux-2.6-omap-h63xx.git diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c index c34614ea5fc..61166f66479 100644 --- a/net/appletalk/aarp.c +++ b/net/appletalk/aarp.c @@ -29,7 +29,6 @@ * */ -#include #include #include #include @@ -119,7 +118,9 @@ static void __aarp_send_query(struct aarp_entry *a) /* Set up the buffer */ skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length); - skb->nh.raw = skb->h.raw = skb_put(skb, sizeof(*eah)); + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + skb_put(skb, sizeof(*eah)); skb->protocol = htons(ETH_P_ATALK); skb->dev = dev; eah = aarp_hdr(skb); @@ -164,7 +165,9 @@ static void aarp_send_reply(struct net_device *dev, struct atalk_addr *us, /* Set up the buffer */ skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length); - skb->nh.raw = skb->h.raw = skb_put(skb, sizeof(*eah)); + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + skb_put(skb, sizeof(*eah)); skb->protocol = htons(ETH_P_ATALK); skb->dev = dev; eah = aarp_hdr(skb); @@ -213,7 +216,9 @@ static void aarp_send_probe(struct net_device *dev, struct atalk_addr *us) /* Set up the buffer */ skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length); - skb->nh.raw = skb->h.raw = skb_put(skb, sizeof(*eah)); + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + skb_put(skb, sizeof(*eah)); skb->protocol = htons(ETH_P_ATALK); skb->dev = dev; eah = aarp_hdr(skb); @@ -325,15 +330,19 @@ static void aarp_expire_timeout(unsigned long unused) static int aarp_device_event(struct notifier_block *this, unsigned long event, void *ptr) { + struct net_device *dev = ptr; int ct; + if (dev->nd_net != &init_net) + return NOTIFY_DONE; + if (event == NETDEV_DOWN) { write_lock_bh(&aarp_lock); for (ct = 0; ct < AARP_HASH_SIZE; ct++) { - __aarp_expire_device(&resolved[ct], ptr); - __aarp_expire_device(&unresolved[ct], ptr); - __aarp_expire_device(&proxies[ct], ptr); + __aarp_expire_device(&resolved[ct], dev); + __aarp_expire_device(&unresolved[ct], dev); + __aarp_expire_device(&proxies[ct], dev); } write_unlock_bh(&aarp_lock); @@ -540,7 +549,7 @@ int aarp_send_ddp(struct net_device *dev, struct sk_buff *skb, int hash; struct aarp_entry *a; - skb->nh.raw = skb->data; + skb_reset_network_header(skb); /* Check for LocalTalk first */ if (dev->type == ARPHRD_LOCALTLK) { @@ -698,7 +707,7 @@ static void __aarp_resolved(struct aarp_entry **list, struct aarp_entry *a, * frame. We currently only support Ethernet. */ static int aarp_rcv(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt) + struct packet_type *pt, struct net_device *orig_dev) { struct elapaarp *ea = aarp_hdr(skb); int hash, ret = 0; @@ -707,6 +716,9 @@ static int aarp_rcv(struct sk_buff *skb, struct net_device *dev, struct atalk_addr sa, *ma, da; struct atalk_iface *ifa; + if (dev->nd_net != &init_net) + goto out0; + /* We only do Ethernet SNAP AARP. */ if (dev->type != ARPHRD_ETHER) goto out0; @@ -810,8 +822,6 @@ static int aarp_rcv(struct sk_buff *skb, struct net_device *dev, * address. So as a precaution flush any * entries we have for this address. */ - struct aarp_entry *a; - a = __aarp_find_entry(resolved[sa.s_node % (AARP_HASH_SIZE - 1)], skb->dev, &sa); @@ -864,9 +874,7 @@ void __init aarp_proto_init(void) aarp_dl = register_snap_client(aarp_snap_id, aarp_rcv); if (!aarp_dl) printk(KERN_CRIT "Unable to register AARP with SNAP.\n"); - init_timer(&aarp_timer); - aarp_timer.function = aarp_expire_timeout; - aarp_timer.data = 0; + setup_timer(&aarp_timer, aarp_expire_timeout, 0); aarp_timer.expires = jiffies + sysctl_aarp_expiry_time; add_timer(&aarp_timer); register_netdevice_notifier(&aarp_notifier); @@ -896,7 +904,7 @@ struct aarp_iter_state { /* * Get the aarp entry that is in the chain described - * by the iterator. + * by the iterator. * If pos is set then skip till that index. * pos = 1 is the first entry */ @@ -906,7 +914,7 @@ static struct aarp_entry *iter_next(struct aarp_iter_state *iter, loff_t *pos) struct aarp_entry **table = iter->table; loff_t off = 0; struct aarp_entry *entry; - + rescan: while(ct < AARP_HASH_SIZE) { for (entry = table[ct]; entry; entry = entry->next) { @@ -933,6 +941,7 @@ static struct aarp_entry *iter_next(struct aarp_iter_state *iter, loff_t *pos) } static void *aarp_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(aarp_lock) { struct aarp_iter_state *iter = seq->private; @@ -951,9 +960,9 @@ static void *aarp_seq_next(struct seq_file *seq, void *v, loff_t *pos) ++*pos; /* first line after header */ - if (v == SEQ_START_TOKEN) + if (v == SEQ_START_TOKEN) entry = iter_next(iter, NULL); - + /* next entry in current bucket */ else if (entry->next) entry = entry->next; @@ -967,6 +976,7 @@ static void *aarp_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void aarp_seq_stop(struct seq_file *seq, void *v) + __releases(aarp_lock) { read_unlock_bh(&aarp_lock); } @@ -985,9 +995,10 @@ static int aarp_seq_show(struct seq_file *seq, void *v) struct aarp_iter_state *iter = seq->private; struct aarp_entry *entry = v; unsigned long now = jiffies; + DECLARE_MAC_BUF(mac); if (v == SEQ_START_TOKEN) - seq_puts(seq, + seq_puts(seq, "Address Interface Hardware Address" " Expires LastSend Retry Status\n"); else { @@ -995,13 +1006,7 @@ static int aarp_seq_show(struct seq_file *seq, void *v) ntohs(entry->target_addr.s_net), (unsigned int) entry->target_addr.s_node, entry->dev ? entry->dev->name : "????"); - seq_printf(seq, "%02X:%02X:%02X:%02X:%02X:%02X", - entry->hwaddr[0] & 0xFF, - entry->hwaddr[1] & 0xFF, - entry->hwaddr[2] & 0xFF, - entry->hwaddr[3] & 0xFF, - entry->hwaddr[4] & 0xFF, - entry->hwaddr[5] & 0xFF); + seq_printf(seq, "%s", print_mac(mac, entry->hwaddr)); seq_printf(seq, " %8s", dt2str((long)entry->expires_at - (long)now)); if (iter->table == unresolved) @@ -1015,11 +1020,11 @@ static int aarp_seq_show(struct seq_file *seq, void *v) : (iter->table == unresolved) ? "unresolved" : (iter->table == proxies) ? "proxies" : "unknown"); - } + } return 0; } -static struct seq_operations aarp_seq_ops = { +static const struct seq_operations aarp_seq_ops = { .start = aarp_seq_start, .next = aarp_seq_next, .stop = aarp_seq_stop, @@ -1028,28 +1033,11 @@ static struct seq_operations aarp_seq_ops = { static int aarp_seq_open(struct inode *inode, struct file *file) { - struct seq_file *seq; - int rc = -ENOMEM; - struct aarp_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL); - - if (!s) - goto out; - - rc = seq_open(file, &aarp_seq_ops); - if (rc) - goto out_kfree; - - seq = file->private_data; - seq->private = s; - memset(s, 0, sizeof(*s)); -out: - return rc; -out_kfree: - kfree(s); - goto out; + return seq_open_private(file, &aarp_seq_ops, + sizeof(struct aarp_iter_state)); } -struct file_operations atalk_seq_arp_fops = { +const struct file_operations atalk_seq_arp_fops = { .owner = THIS_MODULE, .open = aarp_seq_open, .read = seq_read,