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Diffstat (limited to 'net/ipx/af_ipx.c')
-rw-r--r--net/ipx/af_ipx.c77
1 files changed, 39 insertions, 38 deletions
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index dfd6faaf0ea..91729b807c7 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -52,18 +52,12 @@
#include <net/p8022.h>
#include <net/psnap.h>
#include <net/sock.h>
+#include <net/datalink.h>
#include <net/tcp_states.h>
+#include <net/net_namespace.h>
#include <asm/uaccess.h>
-#ifdef CONFIG_SYSCTL
-extern void ipx_register_sysctl(void);
-extern void ipx_unregister_sysctl(void);
-#else
-#define ipx_register_sysctl()
-#define ipx_unregister_sysctl()
-#endif
-
/* Configuration Variables */
static unsigned char ipxcfg_max_hops = 16;
static char ipxcfg_auto_select_primary;
@@ -84,15 +78,6 @@ DEFINE_SPINLOCK(ipx_interfaces_lock);
struct ipx_interface *ipx_primary_net;
struct ipx_interface *ipx_internal_net;
-extern int ipxrtr_add_route(__be32 network, struct ipx_interface *intrfc,
- unsigned char *node);
-extern void ipxrtr_del_routes(struct ipx_interface *intrfc);
-extern int ipxrtr_route_packet(struct sock *sk, struct sockaddr_ipx *usipx,
- struct iovec *iov, size_t len, int noblock);
-extern int ipxrtr_route_skb(struct sk_buff *skb);
-extern struct ipx_route *ipxrtr_lookup(__be32 net);
-extern int ipxrtr_ioctl(unsigned int cmd, void __user *arg);
-
struct ipx_interface *ipx_interfaces_head(void)
{
struct ipx_interface *rc = NULL;
@@ -228,9 +213,8 @@ static struct sock *__ipxitf_find_socket(struct ipx_interface *intrfc,
__be16 port)
{
struct sock *s;
- struct hlist_node *node;
- sk_for_each(s, node, &intrfc->if_sklist)
+ sk_for_each(s, &intrfc->if_sklist)
if (ipx_sk(s)->port == port)
goto found;
s = NULL;
@@ -259,12 +243,11 @@ static struct sock *ipxitf_find_internal_socket(struct ipx_interface *intrfc,
__be16 port)
{
struct sock *s;
- struct hlist_node *node;
ipxitf_hold(intrfc);
spin_lock_bh(&intrfc->if_sklist_lock);
- sk_for_each(s, node, &intrfc->if_sklist) {
+ sk_for_each(s, &intrfc->if_sklist) {
struct ipx_sock *ipxs = ipx_sk(s);
if (ipxs->port == port &&
@@ -282,14 +265,14 @@ found:
static void __ipxitf_down(struct ipx_interface *intrfc)
{
struct sock *s;
- struct hlist_node *node, *t;
+ struct hlist_node *t;
/* Delete all routes associated with this interface */
ipxrtr_del_routes(intrfc);
spin_lock_bh(&intrfc->if_sklist_lock);
/* error sockets */
- sk_for_each_safe(s, node, t, &intrfc->if_sklist) {
+ sk_for_each_safe(s, t, &intrfc->if_sklist) {
struct ipx_sock *ipxs = ipx_sk(s);
s->sk_err = ENOLINK;
@@ -332,7 +315,7 @@ static __inline__ void __ipxitf_put(struct ipx_interface *intrfc)
static int ipxitf_device_event(struct notifier_block *notifier,
unsigned long event, void *ptr)
{
- struct net_device *dev = ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct ipx_interface *i, *tmp;
if (!net_eq(dev_net(dev), &init_net))
@@ -385,12 +368,11 @@ static int ipxitf_demux_socket(struct ipx_interface *intrfc,
int is_broadcast = !memcmp(ipx->ipx_dest.node, ipx_broadcast_node,
IPX_NODE_LEN);
struct sock *s;
- struct hlist_node *node;
int rc;
spin_lock_bh(&intrfc->if_sklist_lock);
- sk_for_each(s, node, &intrfc->if_sklist) {
+ sk_for_each(s, &intrfc->if_sklist) {
struct ipx_sock *ipxs = ipx_sk(s);
if (ipxs->port == ipx->ipx_dest.sock &&
@@ -446,12 +428,11 @@ static struct sock *ncp_connection_hack(struct ipx_interface *intrfc,
connection = (((int) *(ncphdr + 9)) << 8) | (int) *(ncphdr + 8);
if (connection) {
- struct hlist_node *node;
/* Now we have to look for a special NCP connection handling
* socket. Only these sockets have ipx_ncp_conn != 0, set by
* SIOCIPXNCPCONN. */
spin_lock_bh(&intrfc->if_sklist_lock);
- sk_for_each(sk, node, &intrfc->if_sklist)
+ sk_for_each(sk, &intrfc->if_sklist)
if (ipx_sk(sk)->ipx_ncp_conn == connection) {
sock_hold(sk);
goto found;
@@ -1372,7 +1353,7 @@ static int ipx_create(struct net *net, struct socket *sock, int protocol,
sk_refcnt_debug_inc(sk);
sock_init_data(sock, sk);
- sk->sk_no_check = 1; /* Checksum off by default */
+ sk->sk_no_check_tx = 1; /* Checksum off by default */
sock->ops = &ipx_dgram_ops;
rc = 0;
out:
@@ -1387,6 +1368,7 @@ static int ipx_release(struct socket *sock)
goto out;
lock_sock(sk);
+ sk->sk_shutdown = SHUTDOWN_MASK;
if (!sock_flag(sk, SOCK_DEAD))
sk->sk_state_change(sk);
@@ -1711,7 +1693,7 @@ static int ipx_sendmsg(struct kiocb *iocb, struct socket *sock,
{
struct sock *sk = sock->sk;
struct ipx_sock *ipxs = ipx_sk(sk);
- struct sockaddr_ipx *usipx = (struct sockaddr_ipx *)msg->msg_name;
+ DECLARE_SOCKADDR(struct sockaddr_ipx *, usipx, msg->msg_name);
struct sockaddr_ipx local_sipx;
int rc = -EINVAL;
int flags = msg->msg_flags;
@@ -1778,7 +1760,7 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
{
struct sock *sk = sock->sk;
struct ipx_sock *ipxs = ipx_sk(sk);
- struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)msg->msg_name;
+ DECLARE_SOCKADDR(struct sockaddr_ipx *, sipx, msg->msg_name);
struct ipxhdr *ipx = NULL;
struct sk_buff *skb;
int copied, rc;
@@ -1810,8 +1792,11 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &rc);
- if (!skb)
+ if (!skb) {
+ if (rc == -EAGAIN && (sk->sk_shutdown & RCV_SHUTDOWN))
+ rc = 0;
goto out;
+ }
ipx = ipx_hdr(skb);
copied = ntohs(ipx->ipx_pktsize) - sizeof(struct ipxhdr);
@@ -1827,8 +1812,6 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
if (skb->tstamp.tv64)
sk->sk_stamp = skb->tstamp;
- msg->msg_namelen = sizeof(*sipx);
-
if (sipx) {
sipx->sipx_family = AF_IPX;
sipx->sipx_port = ipx->ipx_source.sock;
@@ -1836,6 +1819,7 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
sipx->sipx_network = IPX_SKB_CB(skb)->ipx_source_net;
sipx->sipx_type = ipx->ipx_type;
sipx->sipx_zero = 0;
+ msg->msg_namelen = sizeof(*sipx);
}
rc = copied;
@@ -1942,6 +1926,26 @@ static int ipx_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long
}
#endif
+static int ipx_shutdown(struct socket *sock, int mode)
+{
+ struct sock *sk = sock->sk;
+
+ if (mode < SHUT_RD || mode > SHUT_RDWR)
+ return -EINVAL;
+ /* This maps:
+ * SHUT_RD (0) -> RCV_SHUTDOWN (1)
+ * SHUT_WR (1) -> SEND_SHUTDOWN (2)
+ * SHUT_RDWR (2) -> SHUTDOWN_MASK (3)
+ */
+ ++mode;
+
+ lock_sock(sk);
+ sk->sk_shutdown |= mode;
+ release_sock(sk);
+ sk->sk_state_change(sk);
+
+ return 0;
+}
/*
* Socket family declarations
@@ -1968,7 +1972,7 @@ static const struct proto_ops ipx_dgram_ops = {
.compat_ioctl = ipx_compat_ioctl,
#endif
.listen = sock_no_listen,
- .shutdown = sock_no_shutdown, /* FIXME: support shutdown */
+ .shutdown = ipx_shutdown,
.setsockopt = ipx_setsockopt,
.getsockopt = ipx_getsockopt,
.sendmsg = ipx_sendmsg,
@@ -1991,9 +1995,6 @@ static struct notifier_block ipx_dev_notifier = {
.notifier_call = ipxitf_device_event,
};
-extern struct datalink_proto *make_EII_client(void);
-extern void destroy_EII_client(struct datalink_proto *);
-
static const unsigned char ipx_8022_type = 0xE0;
static const unsigned char ipx_snap_id[5] = { 0x0, 0x0, 0x0, 0x81, 0x37 };
static const char ipx_EII_err_msg[] __initconst =
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-21 10:41:55 +0000