* devices. All mtu based now.
*/
-#include <linux/config.h>
+#include <linux/capability.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/seq_file.h>
#include <linux/timer.h>
#include <linux/string.h>
+#include <linux/if_addr.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/skbuff.h>
-#include <linux/rtnetlink.h>
#include <linux/sysctl.h>
#include <linux/notifier.h>
#include <asm/uaccess.h>
#include <asm/system.h>
+#include <net/net_namespace.h>
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>
+#include <net/fib_rules.h>
+#include <net/netlink.h>
#include <net/dn.h>
#include <net/dn_dev.h>
#include <net/dn_route.h>
/*
* decnet_address is kept in network order.
*/
-dn_address decnet_address = 0;
+__le16 decnet_address = 0;
static DEFINE_RWLOCK(dndev_lock);
static struct net_device *decnet_default_device;
-static struct notifier_block *dnaddr_chain;
+static BLOCKING_NOTIFIER_HEAD(dnaddr_chain);
static struct dn_dev *dn_dev_create(struct net_device *dev, int *err);
static void dn_dev_delete(struct net_device *dev);
-static void rtmsg_ifa(int event, struct dn_ifaddr *ifa);
+static void dn_ifaddr_notify(int event, struct dn_ifaddr *ifa);
static int dn_eth_up(struct net_device *);
static void dn_eth_down(struct net_device *);
}
};
-#define DN_DEV_LIST_SIZE (sizeof(dn_dev_list)/sizeof(struct dn_dev_parms))
+#define DN_DEV_LIST_SIZE ARRAY_SIZE(dn_dev_list)
-#define DN_DEV_PARMS_OFFSET(x) ((int) ((char *) &((struct dn_dev_parms *)0)->x))
+#define DN_DEV_PARMS_OFFSET(x) offsetof(struct dn_dev_parms, x)
#ifdef CONFIG_SYSCTL
static int min_priority[1];
static int max_priority[] = { 127 }; /* From DECnet spec */
-static int dn_forwarding_proc(ctl_table *, int, struct file *,
+static int dn_forwarding_proc(ctl_table *, int,
void __user *, size_t *, loff_t *);
-static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen,
+static int dn_forwarding_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen,
- void **context);
+ void __user *newval, size_t newlen);
static struct dn_dev_sysctl_table {
struct ctl_table_header *sysctl_header;
ctl_table dn_dev_vars[5];
- ctl_table dn_dev_dev[2];
- ctl_table dn_dev_conf_dir[2];
- ctl_table dn_dev_proto_dir[2];
- ctl_table dn_dev_root_dir[2];
} dn_dev_sysctl = {
NULL,
{
},
{0}
},
- {{
- .ctl_name = 0,
- .procname = "",
- .mode = 0555,
- .child = dn_dev_sysctl.dn_dev_vars
- }, {0}},
- {{
- .ctl_name = NET_DECNET_CONF,
- .procname = "conf",
- .mode = 0555,
- .child = dn_dev_sysctl.dn_dev_dev
- }, {0}},
- {{
- .ctl_name = NET_DECNET,
- .procname = "decnet",
- .mode = 0555,
- .child = dn_dev_sysctl.dn_dev_conf_dir
- }, {0}},
- {{
- .ctl_name = CTL_NET,
- .procname = "net",
- .mode = 0555,
- .child = dn_dev_sysctl.dn_dev_proto_dir
- }, {0}}
};
static void dn_dev_sysctl_register(struct net_device *dev, struct dn_dev_parms *parms)
struct dn_dev_sysctl_table *t;
int i;
- t = kmalloc(sizeof(*t), GFP_KERNEL);
+#define DN_CTL_PATH_DEV 3
+
+ struct ctl_path dn_ctl_path[] = {
+ { .procname = "net", .ctl_name = CTL_NET, },
+ { .procname = "decnet", .ctl_name = NET_DECNET, },
+ { .procname = "conf", .ctl_name = NET_DECNET_CONF, },
+ { /* to be set */ },
+ { },
+ };
+
+ t = kmemdup(&dn_dev_sysctl, sizeof(*t), GFP_KERNEL);
if (t == NULL)
return;
- memcpy(t, &dn_dev_sysctl, sizeof(*t));
-
for(i = 0; i < ARRAY_SIZE(t->dn_dev_vars) - 1; i++) {
long offset = (long)t->dn_dev_vars[i].data;
t->dn_dev_vars[i].data = ((char *)parms) + offset;
- t->dn_dev_vars[i].de = NULL;
}
if (dev) {
- t->dn_dev_dev[0].procname = dev->name;
- t->dn_dev_dev[0].ctl_name = dev->ifindex;
+ dn_ctl_path[DN_CTL_PATH_DEV].procname = dev->name;
+ dn_ctl_path[DN_CTL_PATH_DEV].ctl_name = dev->ifindex;
} else {
- t->dn_dev_dev[0].procname = parms->name;
- t->dn_dev_dev[0].ctl_name = parms->ctl_name;
+ dn_ctl_path[DN_CTL_PATH_DEV].procname = parms->name;
+ dn_ctl_path[DN_CTL_PATH_DEV].ctl_name = parms->ctl_name;
}
- t->dn_dev_dev[0].child = t->dn_dev_vars;
- t->dn_dev_dev[0].de = NULL;
- t->dn_dev_conf_dir[0].child = t->dn_dev_dev;
- t->dn_dev_conf_dir[0].de = NULL;
- t->dn_dev_proto_dir[0].child = t->dn_dev_conf_dir;
- t->dn_dev_proto_dir[0].de = NULL;
- t->dn_dev_root_dir[0].child = t->dn_dev_proto_dir;
- t->dn_dev_root_dir[0].de = NULL;
t->dn_dev_vars[0].extra1 = (void *)dev;
- t->sysctl_header = register_sysctl_table(t->dn_dev_root_dir, 0);
+ t->sysctl_header = register_sysctl_paths(dn_ctl_path, t->dn_dev_vars);
if (t->sysctl_header == NULL)
kfree(t);
else
}
}
-static int dn_forwarding_proc(ctl_table *table, int write,
- struct file *filep,
+static int dn_forwarding_proc(ctl_table *table, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
dn_db = dev->dn_ptr;
old = dn_db->parms.forwarding;
- err = proc_dointvec(table, write, filep, buffer, lenp, ppos);
+ err = proc_dointvec(table, write, buffer, lenp, ppos);
if ((err >= 0) && write) {
if (dn_db->parms.forwarding < 0)
#endif
}
-static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen,
+static int dn_forwarding_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen,
- void **context)
+ void __user *newval, size_t newlen)
{
#ifdef CONFIG_DECNET_ROUTER
struct net_device *dev = table->extra1;
{
struct dn_ifaddr *ifa;
- ifa = kmalloc(sizeof(*ifa), GFP_KERNEL);
-
- if (ifa) {
- memset(ifa, 0, sizeof(*ifa));
- }
+ ifa = kzalloc(sizeof(*ifa), GFP_KERNEL);
return ifa;
}
*ifap = ifa1->ifa_next;
if (dn_db->dev->type == ARPHRD_ETHER) {
- if (ifa1->ifa_local != dn_htons(dn_eth2dn(dev->dev_addr))) {
+ if (ifa1->ifa_local != dn_eth2dn(dev->dev_addr)) {
dn_dn2eth(mac_addr, ifa1->ifa_local);
dev_mc_delete(dev, mac_addr, ETH_ALEN, 0);
}
}
- rtmsg_ifa(RTM_DELADDR, ifa1);
- notifier_call_chain(&dnaddr_chain, NETDEV_DOWN, ifa1);
+ dn_ifaddr_notify(RTM_DELADDR, ifa1);
+ blocking_notifier_call_chain(&dnaddr_chain, NETDEV_DOWN, ifa1);
if (destroy) {
dn_dev_free_ifa(ifa1);
ASSERT_RTNL();
- /* Check for duplicates */
+ /* Check for duplicates */
for(ifa1 = dn_db->ifa_list; ifa1; ifa1 = ifa1->ifa_next) {
if (ifa1->ifa_local == ifa->ifa_local)
return -EEXIST;
}
if (dev->type == ARPHRD_ETHER) {
- if (ifa->ifa_local != dn_htons(dn_eth2dn(dev->dev_addr))) {
+ if (ifa->ifa_local != dn_eth2dn(dev->dev_addr)) {
dn_dn2eth(mac_addr, ifa->ifa_local);
dev_mc_add(dev, mac_addr, ETH_ALEN, 0);
- dev_mc_upload(dev);
}
}
ifa->ifa_next = dn_db->ifa_list;
dn_db->ifa_list = ifa;
- rtmsg_ifa(RTM_NEWADDR, ifa);
- notifier_call_chain(&dnaddr_chain, NETDEV_UP, ifa);
+ dn_ifaddr_notify(RTM_NEWADDR, ifa);
+ blocking_notifier_call_chain(&dnaddr_chain, NETDEV_UP, ifa);
return 0;
}
return -EFAULT;
ifr->ifr_name[IFNAMSIZ-1] = 0;
-#ifdef CONFIG_KMOD
- dev_load(ifr->ifr_name);
-#endif
+ dev_load(&init_net, ifr->ifr_name);
switch(cmd) {
case SIOCGIFADDR:
rtnl_lock();
- if ((dev = __dev_get_by_name(ifr->ifr_name)) == NULL) {
+ if ((dev = __dev_get_by_name(&init_net, ifr->ifr_name)) == NULL) {
ret = -ENODEV;
goto done;
}
switch(cmd) {
case SIOCGIFADDR:
- *((dn_address *)sdn->sdn_nodeaddr) = ifa->ifa_local;
+ *((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
goto rarok;
case SIOCSIFADDR:
}
write_unlock(&dndev_lock);
if (old)
- dev_put(dev);
+ dev_put(old);
return rv;
}
{
struct net_device *dev;
struct dn_dev *dn_dev = NULL;
- dev = dev_get_by_index(ifindex);
+ dev = dev_get_by_index(&init_net, ifindex);
if (dev) {
dn_dev = dev->dn_ptr;
dev_put(dev);
return dn_dev;
}
-static int dn_dev_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
+static const struct nla_policy dn_ifa_policy[IFA_MAX+1] = {
+ [IFA_ADDRESS] = { .type = NLA_U16 },
+ [IFA_LOCAL] = { .type = NLA_U16 },
+ [IFA_LABEL] = { .type = NLA_STRING,
+ .len = IFNAMSIZ - 1 },
+};
+
+static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct rtattr **rta = arg;
+ struct net *net = sock_net(skb->sk);
+ struct nlattr *tb[IFA_MAX+1];
struct dn_dev *dn_db;
- struct ifaddrmsg *ifm = NLMSG_DATA(nlh);
+ struct ifaddrmsg *ifm;
struct dn_ifaddr *ifa, **ifap;
+ int err = -EINVAL;
+ if (net != &init_net)
+ goto errout;
+
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy);
+ if (err < 0)
+ goto errout;
+
+ err = -ENODEV;
+ ifm = nlmsg_data(nlh);
if ((dn_db = dn_dev_by_index(ifm->ifa_index)) == NULL)
- return -EADDRNOTAVAIL;
+ goto errout;
+
+ err = -EADDRNOTAVAIL;
+ for (ifap = &dn_db->ifa_list; (ifa = *ifap); ifap = &ifa->ifa_next) {
+ if (tb[IFA_LOCAL] &&
+ nla_memcmp(tb[IFA_LOCAL], &ifa->ifa_local, 2))
+ continue;
- for(ifap = &dn_db->ifa_list; (ifa=*ifap) != NULL; ifap = &ifa->ifa_next) {
- void *tmp = rta[IFA_LOCAL-1];
- if ((tmp && memcmp(RTA_DATA(tmp), &ifa->ifa_local, 2)) ||
- (rta[IFA_LABEL-1] && rtattr_strcmp(rta[IFA_LABEL-1], ifa->ifa_label)))
+ if (tb[IFA_LABEL] && nla_strcmp(tb[IFA_LABEL], ifa->ifa_label))
continue;
dn_dev_del_ifa(dn_db, ifap, 1);
return 0;
}
- return -EADDRNOTAVAIL;
+errout:
+ return err;
}
-static int dn_dev_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
+static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct rtattr **rta = arg;
+ struct net *net = sock_net(skb->sk);
+ struct nlattr *tb[IFA_MAX+1];
struct net_device *dev;
struct dn_dev *dn_db;
- struct ifaddrmsg *ifm = NLMSG_DATA(nlh);
+ struct ifaddrmsg *ifm;
struct dn_ifaddr *ifa;
- int rv;
+ int err;
- if (rta[IFA_LOCAL-1] == NULL)
+ if (net != &init_net)
return -EINVAL;
- if ((dev = __dev_get_by_index(ifm->ifa_index)) == NULL)
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy);
+ if (err < 0)
+ return err;
+
+ if (tb[IFA_LOCAL] == NULL)
+ return -EINVAL;
+
+ ifm = nlmsg_data(nlh);
+ if ((dev = __dev_get_by_index(&init_net, ifm->ifa_index)) == NULL)
return -ENODEV;
if ((dn_db = dev->dn_ptr) == NULL) {
- int err;
dn_db = dn_dev_create(dev, &err);
if (!dn_db)
return err;
}
-
+
if ((ifa = dn_dev_alloc_ifa()) == NULL)
return -ENOBUFS;
- if (!rta[IFA_ADDRESS - 1])
- rta[IFA_ADDRESS - 1] = rta[IFA_LOCAL - 1];
- memcpy(&ifa->ifa_local, RTA_DATA(rta[IFA_LOCAL-1]), 2);
- memcpy(&ifa->ifa_address, RTA_DATA(rta[IFA_ADDRESS-1]), 2);
+ if (tb[IFA_ADDRESS] == NULL)
+ tb[IFA_ADDRESS] = tb[IFA_LOCAL];
+
+ ifa->ifa_local = nla_get_le16(tb[IFA_LOCAL]);
+ ifa->ifa_address = nla_get_le16(tb[IFA_ADDRESS]);
ifa->ifa_flags = ifm->ifa_flags;
ifa->ifa_scope = ifm->ifa_scope;
ifa->ifa_dev = dn_db;
- if (rta[IFA_LABEL-1])
- rtattr_strlcpy(ifa->ifa_label, rta[IFA_LABEL-1], IFNAMSIZ);
+
+ if (tb[IFA_LABEL])
+ nla_strlcpy(ifa->ifa_label, tb[IFA_LABEL], IFNAMSIZ);
else
memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
- rv = dn_dev_insert_ifa(dn_db, ifa);
- if (rv)
+ err = dn_dev_insert_ifa(dn_db, ifa);
+ if (err)
dn_dev_free_ifa(ifa);
- return rv;
+
+ return err;
+}
+
+static inline size_t dn_ifaddr_nlmsg_size(void)
+{
+ return NLMSG_ALIGN(sizeof(struct ifaddrmsg))
+ + nla_total_size(IFNAMSIZ) /* IFA_LABEL */
+ + nla_total_size(2) /* IFA_ADDRESS */
+ + nla_total_size(2); /* IFA_LOCAL */
}
-static int dn_dev_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa,
- u32 pid, u32 seq, int event)
+static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa,
+ u32 pid, u32 seq, int event, unsigned int flags)
{
struct ifaddrmsg *ifm;
struct nlmsghdr *nlh;
- unsigned char *b = skb->tail;
- nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*ifm));
- ifm = NLMSG_DATA(nlh);
+ nlh = nlmsg_put(skb, pid, seq, event, sizeof(*ifm), flags);
+ if (nlh == NULL)
+ return -EMSGSIZE;
+ ifm = nlmsg_data(nlh);
ifm->ifa_family = AF_DECnet;
ifm->ifa_prefixlen = 16;
ifm->ifa_flags = ifa->ifa_flags | IFA_F_PERMANENT;
ifm->ifa_scope = ifa->ifa_scope;
ifm->ifa_index = ifa->ifa_dev->dev->ifindex;
+
if (ifa->ifa_address)
- RTA_PUT(skb, IFA_ADDRESS, 2, &ifa->ifa_address);
+ NLA_PUT_LE16(skb, IFA_ADDRESS, ifa->ifa_address);
if (ifa->ifa_local)
- RTA_PUT(skb, IFA_LOCAL, 2, &ifa->ifa_local);
+ NLA_PUT_LE16(skb, IFA_LOCAL, ifa->ifa_local);
if (ifa->ifa_label[0])
- RTA_PUT(skb, IFA_LABEL, IFNAMSIZ, &ifa->ifa_label);
- nlh->nlmsg_len = skb->tail - b;
- return skb->len;
+ NLA_PUT_STRING(skb, IFA_LABEL, ifa->ifa_label);
+
+ return nlmsg_end(skb, nlh);
-nlmsg_failure:
-rtattr_failure:
- skb_trim(skb, b - skb->data);
- return -1;
+nla_put_failure:
+ nlmsg_cancel(skb, nlh);
+ return -EMSGSIZE;
}
-static void rtmsg_ifa(int event, struct dn_ifaddr *ifa)
+static void dn_ifaddr_notify(int event, struct dn_ifaddr *ifa)
{
struct sk_buff *skb;
- int size = NLMSG_SPACE(sizeof(struct ifaddrmsg)+128);
+ int err = -ENOBUFS;
- skb = alloc_skb(size, GFP_KERNEL);
- if (!skb) {
- netlink_set_err(rtnl, 0, RTMGRP_DECnet_IFADDR, ENOBUFS);
- return;
- }
- if (dn_dev_fill_ifaddr(skb, ifa, 0, 0, event) < 0) {
+ skb = alloc_skb(dn_ifaddr_nlmsg_size(), GFP_KERNEL);
+ if (skb == NULL)
+ goto errout;
+
+ err = dn_nl_fill_ifaddr(skb, ifa, 0, 0, event, 0);
+ if (err < 0) {
+ /* -EMSGSIZE implies BUG in dn_ifaddr_nlmsg_size() */
+ WARN_ON(err == -EMSGSIZE);
kfree_skb(skb);
- netlink_set_err(rtnl, 0, RTMGRP_DECnet_IFADDR, EINVAL);
- return;
+ goto errout;
}
- NETLINK_CB(skb).dst_groups = RTMGRP_DECnet_IFADDR;
- netlink_broadcast(rtnl, skb, 0, RTMGRP_DECnet_IFADDR, GFP_KERNEL);
+ rtnl_notify(skb, &init_net, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL);
+ return;
+errout:
+ if (err < 0)
+ rtnl_set_sk_err(&init_net, RTNLGRP_DECnet_IFADDR, err);
}
-static int dn_dev_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
+static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
{
- int idx, dn_idx;
- int s_idx, s_dn_idx;
+ struct net *net = sock_net(skb->sk);
+ int idx, dn_idx = 0, skip_ndevs, skip_naddr;
struct net_device *dev;
struct dn_dev *dn_db;
struct dn_ifaddr *ifa;
- s_idx = cb->args[0];
- s_dn_idx = dn_idx = cb->args[1];
- read_lock(&dev_base_lock);
- for(dev = dev_base, idx = 0; dev; dev = dev->next, idx++) {
- if (idx < s_idx)
- continue;
- if (idx > s_idx)
- s_dn_idx = 0;
+ if (net != &init_net)
+ return 0;
+
+ skip_ndevs = cb->args[0];
+ skip_naddr = cb->args[1];
+
+ idx = 0;
+ for_each_netdev(&init_net, dev) {
+ if (idx < skip_ndevs)
+ goto cont;
+ else if (idx > skip_ndevs) {
+ /* Only skip over addresses for first dev dumped
+ * in this iteration (idx == skip_ndevs) */
+ skip_naddr = 0;
+ }
+
if ((dn_db = dev->dn_ptr) == NULL)
- continue;
+ goto cont;
- for(ifa = dn_db->ifa_list, dn_idx = 0; ifa; ifa = ifa->ifa_next, dn_idx++) {
- if (dn_idx < s_dn_idx)
+ for (ifa = dn_db->ifa_list, dn_idx = 0; ifa;
+ ifa = ifa->ifa_next, dn_idx++) {
+ if (dn_idx < skip_naddr)
continue;
- if (dn_dev_fill_ifaddr(skb, ifa,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
- RTM_NEWADDR) <= 0)
+ if (dn_nl_fill_ifaddr(skb, ifa, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, RTM_NEWADDR,
+ NLM_F_MULTI) < 0)
goto done;
}
+cont:
+ idx++;
}
done:
- read_unlock(&dev_base_lock);
cb->args[0] = idx;
cb->args[1] = dn_idx;
return skb->len;
}
-static int dn_dev_get_first(struct net_device *dev, dn_address *addr)
+static int dn_dev_get_first(struct net_device *dev, __le16 *addr)
{
struct dn_dev *dn_db = (struct dn_dev *)dev->dn_ptr;
struct dn_ifaddr *ifa;
return rv;
}
-/*
+/*
* Find a default address to bind to.
*
* This is one of those areas where the initial VMS concepts don't really
* a sensible default. Eventually the routing code will take care of all the
* nasties for us I hope.
*/
-int dn_dev_bind_default(dn_address *addr)
+int dn_dev_bind_default(__le16 *addr)
{
struct net_device *dev;
int rv;
rv = dn_dev_get_first(dev, addr);
read_unlock(&dev_base_lock);
dev_put(dev);
- if (rv == 0 || dev == &loopback_dev)
+ if (rv == 0 || dev == init_net.loopback_dev)
return rv;
}
- dev = &loopback_dev;
+ dev = init_net.loopback_dev;
dev_hold(dev);
goto last_chance;
}
static void dn_send_endnode_hello(struct net_device *dev, struct dn_ifaddr *ifa)
{
- struct endnode_hello_message *msg;
- struct sk_buff *skb = NULL;
- unsigned short int *pktlen;
+ struct endnode_hello_message *msg;
+ struct sk_buff *skb = NULL;
+ __le16 *pktlen;
struct dn_dev *dn_db = (struct dn_dev *)dev->dn_ptr;
- if ((skb = dn_alloc_skb(NULL, sizeof(*msg), GFP_ATOMIC)) == NULL)
+ if ((skb = dn_alloc_skb(NULL, sizeof(*msg), GFP_ATOMIC)) == NULL)
return;
- skb->dev = dev;
+ skb->dev = dev;
- msg = (struct endnode_hello_message *)skb_put(skb,sizeof(*msg));
+ msg = (struct endnode_hello_message *)skb_put(skb,sizeof(*msg));
- msg->msgflg = 0x0D;
- memcpy(msg->tiver, dn_eco_version, 3);
+ msg->msgflg = 0x0D;
+ memcpy(msg->tiver, dn_eco_version, 3);
dn_dn2eth(msg->id, ifa->ifa_local);
- msg->iinfo = DN_RT_INFO_ENDN;
- msg->blksize = dn_htons(mtu2blksize(dev));
- msg->area = 0x00;
- memset(msg->seed, 0, 8);
- memcpy(msg->neighbor, dn_hiord, ETH_ALEN);
+ msg->iinfo = DN_RT_INFO_ENDN;
+ msg->blksize = cpu_to_le16(mtu2blksize(dev));
+ msg->area = 0x00;
+ memset(msg->seed, 0, 8);
+ memcpy(msg->neighbor, dn_hiord, ETH_ALEN);
if (dn_db->router) {
struct dn_neigh *dn = (struct dn_neigh *)dn_db->router;
dn_dn2eth(msg->neighbor, dn->addr);
}
- msg->timer = dn_htons((unsigned short)dn_db->parms.t3);
- msg->mpd = 0x00;
- msg->datalen = 0x02;
- memset(msg->data, 0xAA, 2);
-
- pktlen = (unsigned short *)skb_push(skb,2);
- *pktlen = dn_htons(skb->len - 2);
+ msg->timer = cpu_to_le16((unsigned short)dn_db->parms.t3);
+ msg->mpd = 0x00;
+ msg->datalen = 0x02;
+ memset(msg->data, 0xAA, 2);
- skb->nh.raw = skb->data;
+ pktlen = (__le16 *)skb_push(skb,2);
+ *pktlen = cpu_to_le16(skb->len - 2);
+
+ skb_reset_network_header(skb);
dn_rt_finish_output(skb, dn_rt_all_rt_mcast, msg->id);
}
if (dn->priority != dn_db->parms.priority)
return 0;
- if (dn_ntohs(dn->addr) < dn_ntohs(ifa->ifa_local))
+ if (le16_to_cpu(dn->addr) < le16_to_cpu(ifa->ifa_local))
return 1;
return 0;
size_t size;
unsigned char *ptr;
unsigned char *i1, *i2;
- unsigned short *pktlen;
+ __le16 *pktlen;
char *src;
if (mtu2blksize(dev) < (26 + 7))
dn_dn2eth(ptr, ifa->ifa_local);
src = ptr;
ptr += ETH_ALEN;
- *ptr++ = dn_db->parms.forwarding == 1 ?
+ *ptr++ = dn_db->parms.forwarding == 1 ?
DN_RT_INFO_L1RT : DN_RT_INFO_L2RT;
- *((unsigned short *)ptr) = dn_htons(mtu2blksize(dev));
+ *((__le16 *)ptr) = cpu_to_le16(mtu2blksize(dev));
ptr += 2;
- *ptr++ = dn_db->parms.priority; /* Priority */
+ *ptr++ = dn_db->parms.priority; /* Priority */
*ptr++ = 0; /* Area: Reserved */
- *((unsigned short *)ptr) = dn_htons((unsigned short)dn_db->parms.t3);
+ *((__le16 *)ptr) = cpu_to_le16((unsigned short)dn_db->parms.t3);
ptr += 2;
*ptr++ = 0; /* MPD: Reserved */
i1 = ptr++;
skb_trim(skb, (27 + *i2));
- pktlen = (unsigned short *)skb_push(skb, 2);
- *pktlen = dn_htons(skb->len - 2);
+ pktlen = (__le16 *)skb_push(skb, 2);
+ *pktlen = cpu_to_le16(skb->len - 2);
- skb->nh.raw = skb->data;
+ skb_reset_network_header(skb);
if (dn_am_i_a_router(dn, dn_db, ifa)) {
struct sk_buff *skb2 = skb_copy(skb, GFP_ATOMIC);
ptr = skb_put(skb, 2 + 4 + tdlen);
*ptr++ = DN_RT_PKT_HELO;
- *((dn_address *)ptr) = ifa->ifa_local;
+ *((__le16 *)ptr) = ifa->ifa_local;
ptr += 2;
*ptr++ = tdlen;
else
dev_mc_add(dev, dn_rt_all_rt_mcast, ETH_ALEN, 0);
- dev_mc_upload(dev);
-
dn_db->use_long = 1;
return 0;
add_timer(&dn_db->timer);
}
-struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
+static struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
{
int i;
struct dn_dev_parms *p = dn_dev_list;
return NULL;
*err = -ENOBUFS;
- if ((dn_db = kmalloc(sizeof(struct dn_dev), GFP_ATOMIC)) == NULL)
+ if ((dn_db = kzalloc(sizeof(struct dn_dev), GFP_ATOMIC)) == NULL)
return NULL;
- memset(dn_db, 0, sizeof(struct dn_dev));
memcpy(&dn_db->parms, p, sizeof(struct dn_dev_parms));
smp_wmb();
dev->dn_ptr = dn_db;
init_timer(&dn_db->timer);
dn_db->uptime = jiffies;
+
+ dn_db->neigh_parms = neigh_parms_alloc(dev, &dn_neigh_table);
+ if (!dn_db->neigh_parms) {
+ dev->dn_ptr = NULL;
+ kfree(dn_db);
+ return NULL;
+ }
+
if (dn_db->parms.up) {
if (dn_db->parms.up(dev) < 0) {
+ neigh_parms_release(&dn_neigh_table, dn_db->neigh_parms);
dev->dn_ptr = NULL;
kfree(dn_db);
return NULL;
}
}
- dn_db->neigh_parms = neigh_parms_alloc(dev, &dn_neigh_table);
-
dn_dev_sysctl_register(dev, &dn_db->parms);
dn_dev_set_timer(dev);
void dn_dev_up(struct net_device *dev)
{
struct dn_ifaddr *ifa;
- dn_address addr = decnet_address;
+ __le16 addr = decnet_address;
int maybe_default = 0;
struct dn_dev *dn_db = (struct dn_dev *)dev->dn_ptr;
if (dev->type == ARPHRD_ETHER) {
if (memcmp(dev->dev_addr, dn_hiord, 4) != 0)
return;
- addr = dn_htons(dn_eth2dn(dev->dev_addr));
+ addr = dn_eth2dn(dev->dev_addr);
maybe_default = 1;
}
struct net_device *dev;
rtnl_lock();
- for(dev = dev_base; dev; dev = dev->next)
+ for_each_netdev(&init_net, dev)
dn_dev_down(dev);
rtnl_unlock();
struct net_device *dev;
rtnl_lock();
- for(dev = dev_base; dev; dev = dev->next) {
+ for_each_netdev(&init_net, dev) {
if (dev->flags & IFF_UP)
dn_dev_up(dev);
}
int register_dnaddr_notifier(struct notifier_block *nb)
{
- return notifier_chain_register(&dnaddr_chain, nb);
+ return blocking_notifier_chain_register(&dnaddr_chain, nb);
}
int unregister_dnaddr_notifier(struct notifier_block *nb)
{
- return notifier_chain_unregister(&dnaddr_chain, nb);
+ return blocking_notifier_chain_unregister(&dnaddr_chain, nb);
}
#ifdef CONFIG_PROC_FS
-static inline struct net_device *dn_dev_get_next(struct seq_file *seq, struct net_device *dev)
+static inline int is_dn_dev(struct net_device *dev)
{
- do {
- dev = dev->next;
- } while(dev && !dev->dn_ptr);
-
- return dev;
+ return dev->dn_ptr != NULL;
}
-static struct net_device *dn_dev_get_idx(struct seq_file *seq, loff_t pos)
+static void *dn_dev_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(&dev_base_lock)
{
+ int i;
struct net_device *dev;
- dev = dev_base;
- if (dev && !dev->dn_ptr)
- dev = dn_dev_get_next(seq, dev);
- if (pos) {
- while(dev && (dev = dn_dev_get_next(seq, dev)))
- --pos;
- }
- return dev;
-}
+ read_lock(&dev_base_lock);
-static void *dn_dev_seq_start(struct seq_file *seq, loff_t *pos)
-{
- if (*pos) {
- struct net_device *dev;
- read_lock(&dev_base_lock);
- dev = dn_dev_get_idx(seq, *pos - 1);
- if (dev == NULL)
- read_unlock(&dev_base_lock);
- return dev;
+ if (*pos == 0)
+ return SEQ_START_TOKEN;
+
+ i = 1;
+ for_each_netdev(&init_net, dev) {
+ if (!is_dn_dev(dev))
+ continue;
+
+ if (i++ == *pos)
+ return dev;
}
- return SEQ_START_TOKEN;
+
+ return NULL;
}
static void *dn_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct net_device *dev = v;
- loff_t one = 1;
+ struct net_device *dev;
- if (v == SEQ_START_TOKEN) {
- dev = dn_dev_seq_start(seq, &one);
- } else {
- dev = dn_dev_get_next(seq, dev);
- if (dev == NULL)
- read_unlock(&dev_base_lock);
- }
++*pos;
- return dev;
+
+ dev = (struct net_device *)v;
+ if (v == SEQ_START_TOKEN)
+ dev = net_device_entry(&init_net.dev_base_head);
+
+ for_each_netdev_continue(&init_net, dev) {
+ if (!is_dn_dev(dev))
+ continue;
+
+ return dev;
+ }
+
+ return NULL;
}
static void dn_dev_seq_stop(struct seq_file *seq, void *v)
+ __releases(&dev_base_lock)
{
- if (v && v != SEQ_START_TOKEN)
- read_unlock(&dev_base_lock);
+ read_unlock(&dev_base_lock);
}
static char *dn_type2asc(char type)
static int dn_dev_seq_show(struct seq_file *seq, void *v)
{
if (v == SEQ_START_TOKEN)
- seq_puts(seq, "Name Flags T1 Timer1 T3 Timer3 BlkSize Pri State DevType Router Peer\n");
+ seq_puts(seq, "Name Flags T1 Timer1 T3 Timer3 BlkSize Pri State DevType Router Peer\n");
else {
struct net_device *dev = v;
char peer_buf[DN_ASCBUF_LEN];
char router_buf[DN_ASCBUF_LEN];
struct dn_dev *dn_db = dev->dn_ptr;
- seq_printf(seq, "%-8s %1s %04u %04u %04lu %04lu"
+ seq_printf(seq, "%-8s %1s %04u %04u %04lu %04lu"
" %04hu %03d %02x %-10s %-7s %-7s\n",
- dev->name ? dev->name : "???",
- dn_type2asc(dn_db->parms.mode),
- 0, 0,
+ dev->name ? dev->name : "???",
+ dn_type2asc(dn_db->parms.mode),
+ 0, 0,
dn_db->t3, dn_db->parms.t3,
mtu2blksize(dev),
dn_db->parms.priority,
dn_db->parms.state, dn_db->parms.name,
- dn_db->router ? dn_addr2asc(dn_ntohs(*(dn_address *)dn_db->router->primary_key), router_buf) : "",
- dn_db->peer ? dn_addr2asc(dn_ntohs(*(dn_address *)dn_db->peer->primary_key), peer_buf) : "");
+ dn_db->router ? dn_addr2asc(le16_to_cpu(*(__le16 *)dn_db->router->primary_key), router_buf) : "",
+ dn_db->peer ? dn_addr2asc(le16_to_cpu(*(__le16 *)dn_db->peer->primary_key), peer_buf) : "");
}
return 0;
}
-static struct seq_operations dn_dev_seq_ops = {
+static const struct seq_operations dn_dev_seq_ops = {
.start = dn_dev_seq_start,
.next = dn_dev_seq_next,
.stop = dn_dev_seq_stop,
return seq_open(file, &dn_dev_seq_ops);
}
-static struct file_operations dn_dev_seq_fops = {
+static const struct file_operations dn_dev_seq_fops = {
.owner = THIS_MODULE,
.open = dn_dev_seq_open,
.read = seq_read,
#endif /* CONFIG_PROC_FS */
-static struct rtnetlink_link dnet_rtnetlink_table[RTM_NR_MSGTYPES] =
-{
- [RTM_NEWADDR - RTM_BASE] = { .doit = dn_dev_rtm_newaddr, },
- [RTM_DELADDR - RTM_BASE] = { .doit = dn_dev_rtm_deladdr, },
- [RTM_GETADDR - RTM_BASE] = { .dumpit = dn_dev_dump_ifaddr, },
-#ifdef CONFIG_DECNET_ROUTER
- [RTM_NEWROUTE - RTM_BASE] = { .doit = dn_fib_rtm_newroute, },
- [RTM_DELROUTE - RTM_BASE] = { .doit = dn_fib_rtm_delroute, },
- [RTM_GETROUTE - RTM_BASE] = { .doit = dn_cache_getroute,
- .dumpit = dn_fib_dump, },
- [RTM_NEWRULE - RTM_BASE] = { .doit = dn_fib_rtm_newrule, },
- [RTM_DELRULE - RTM_BASE] = { .doit = dn_fib_rtm_delrule, },
- [RTM_GETRULE - RTM_BASE] = { .dumpit = dn_fib_dump_rules, },
-#else
- [RTM_GETROUTE - RTM_BASE] = { .doit = dn_cache_getroute,
- .dumpit = dn_cache_dump,
-#endif
-
-};
-
-static int __initdata addr[2];
+static int addr[2];
module_param_array(addr, int, NULL, 0444);
MODULE_PARM_DESC(addr, "The DECnet address of this machine: area,node");
void __init dn_dev_init(void)
{
- if (addr[0] > 63 || addr[0] < 0) {
- printk(KERN_ERR "DECnet: Area must be between 0 and 63");
- return;
- }
+ if (addr[0] > 63 || addr[0] < 0) {
+ printk(KERN_ERR "DECnet: Area must be between 0 and 63");
+ return;
+ }
- if (addr[1] > 1023 || addr[1] < 0) {
- printk(KERN_ERR "DECnet: Node must be between 0 and 1023");
- return;
- }
+ if (addr[1] > 1023 || addr[1] < 0) {
+ printk(KERN_ERR "DECnet: Node must be between 0 and 1023");
+ return;
+ }
- decnet_address = dn_htons((addr[0] << 10) | addr[1]);
+ decnet_address = cpu_to_le16((addr[0] << 10) | addr[1]);
dn_dev_devices_on();
- rtnetlink_links[PF_DECnet] = dnet_rtnetlink_table;
+ rtnl_register(PF_DECnet, RTM_NEWADDR, dn_nl_newaddr, NULL);
+ rtnl_register(PF_DECnet, RTM_DELADDR, dn_nl_deladdr, NULL);
+ rtnl_register(PF_DECnet, RTM_GETADDR, NULL, dn_nl_dump_ifaddr);
- proc_net_fops_create("decnet_dev", S_IRUGO, &dn_dev_seq_fops);
+ proc_net_fops_create(&init_net, "decnet_dev", S_IRUGO, &dn_dev_seq_fops);
#ifdef CONFIG_SYSCTL
{
void __exit dn_dev_cleanup(void)
{
- rtnetlink_links[PF_DECnet] = NULL;
-
#ifdef CONFIG_SYSCTL
{
int i;
}
#endif /* CONFIG_SYSCTL */
- proc_net_remove("decnet_dev");
+ proc_net_remove(&init_net, "decnet_dev");
dn_dev_devices_off();
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff