diff options
Diffstat (limited to 'net/ipx')
| -rw-r--r-- | net/ipx/ChangeLog | 101 | ||||
| -rw-r--r-- | net/ipx/Kconfig | 6 | ||||
| -rw-r--r-- | net/ipx/Makefile | 2 | ||||
| -rw-r--r-- | net/ipx/af_ipx.c | 435 | ||||
| -rw-r--r-- | net/ipx/ipx_proc.c | 150 | ||||
| -rw-r--r-- | net/ipx/ipx_route.c | 27 | ||||
| -rw-r--r-- | net/ipx/pe2.c | 35 | ||||
| -rw-r--r-- | net/ipx/sysctl_net_ipx.c | 31 |
8 files changed, 344 insertions, 443 deletions
diff --git a/net/ipx/ChangeLog b/net/ipx/ChangeLog deleted file mode 100644 index 3b29763751a..00000000000 --- a/net/ipx/ChangeLog +++ /dev/null @@ -1,101 +0,0 @@ - Revision 0.21: Uses the new generic socket option code. - - Revision 0.22: Gcc clean ups and drop out device registration. Use the - new multi-protocol edition of hard_header - - Revision 0.23: IPX /proc by Mark Evans. Adding a route will - will overwrite any existing route to the same network. - - Revision 0.24: Supports new /proc with no 4K limit - - Revision 0.25: Add ephemeral sockets, passive local network - identification, support for local net 0 and - multiple datalinks <Greg Page> - - Revision 0.26: Device drop kills IPX routes via it. (needed for module) - - Revision 0.27: Autobind <Mark Evans> - - Revision 0.28: Small fix for multiple local networks <Thomas Winder> - - Revision 0.29: Assorted major errors removed <Mark Evans> - Small correction to promisc mode error fix <Alan Cox> - Asynchronous I/O support. Changed to use notifiers - and the newer packet_type stuff. Assorted major - fixes <Alejandro Liu> - - Revision 0.30: Moved to net/ipx/... <Alan Cox> - Don't set address length on recvfrom that errors. - Incorrect verify_area. - - Revision 0.31: New sk_buffs. This still needs a lot of - testing. <Alan Cox> - - Revision 0.32: Using sock_alloc_send_skb, firewall hooks. <Alan Cox> - Supports sendmsg/recvmsg - - Revision 0.33: Internal network support, routing changes, uses a - protocol private area for ipx data. - - Revision 0.34: Module support. <Jim Freeman> - - Revision 0.35: Checksum support. <Neil Turton>, hooked in by <Alan Cox> - Handles WIN95 discovery packets <Volker Lendecke> - - Revision 0.36: Internal bump up for 2.1 - - Revision 0.37: Began adding POSIXisms. - - Revision 0.38: Asynchronous socket stuff made current. - - Revision 0.39: SPX interfaces - - Revision 0.40: Tiny SIOCGSTAMP fix (chris@cybernet.co.nz) - - Revision 0.41: 802.2TR removed (p.norton@computer.org) - Fixed connecting to primary net, - Automatic binding on send & receive, - Martijn van Oosterhout <kleptogimp@geocities.com> - - Revision 042: Multithreading - use spinlocks and refcounting to - protect some structures: ipx_interface sock list, list - of ipx interfaces, etc. - Bugfixes - do refcounting on net_devices, check function - results, etc. Thanks to davem and freitag for - suggestions and guidance. - Arnaldo Carvalho de Melo <acme@conectiva.com.br>, - November, 2000 - - Revision 043: Shared SKBs, don't mangle packets, some cleanups - Arnaldo Carvalho de Melo <acme@conectiva.com.br>, - December, 2000 - - Revision 044: Call ipxitf_hold on NETDEV_UP - acme - - Revision 045: fix PPROP routing bug - acme - - Revision 046: Further fixes to PPROP, ipxitf_create_internal was - doing an unneeded MOD_INC_USE_COUNT, implement - sysctl for ipx_pprop_broacasting, fix the ipx sysctl - handling, making it dynamic, some cleanups, thanks to - Petr Vandrovec for review and good suggestions. (acme) - - Revision 047: Cleanups, CodingStyle changes, move the ncp connection - hack out of line - acme - - Revision 048: Use sk->protinfo to store the pointer to IPX private - area, remove af_ipx from sk->protinfo and move ipx_opt - to include/net/ipx.h, use IPX_SK like DecNET, etc - acme - - Revision 049: SPX support dropped, see comment in ipx_create - acme - - Revision 050: Use seq_file for proc stuff, moving it to ipx_proc.c - acme - -Other fixes: - - Protect the module by a MOD_INC_USE_COUNT/MOD_DEC_USE_COUNT pair. Also, now - usage count is managed this way: - -Count one if the auto_interface mode is on - -Count one per configured interface - - Jacques Gelinas (jacques@solucorp.qc.ca) diff --git a/net/ipx/Kconfig b/net/ipx/Kconfig index 980a826f5d0..e9ad0062fbb 100644 --- a/net/ipx/Kconfig +++ b/net/ipx/Kconfig @@ -16,8 +16,7 @@ config IPX support", below. IPX is similar in scope to IP, while SPX, which runs on top of IPX, - is similar to TCP. There is also experimental support for SPX in - Linux (see "SPX networking", below). + is similar to TCP. To turn your Linux box into a fully featured NetWare file server and IPX router, say Y here and fetch either lwared from @@ -26,9 +25,6 @@ config IPX information, read the IPX-HOWTO available from <http://www.tldp.org/docs.html#howto>. - General information about how to connect Linux, Windows machines and - Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. - The IPX driver would enlarge your kernel by about 16 KB. To compile this driver as a module, choose M here: the module will be called ipx. Unless you want to integrate your Linux box with a local Novell diff --git a/net/ipx/Makefile b/net/ipx/Makefile index 4b95e3ea0f8..440fafa9fd0 100644 --- a/net/ipx/Makefile +++ b/net/ipx/Makefile @@ -4,5 +4,5 @@ obj-$(CONFIG_IPX) += ipx.o -ipx-y := af_ipx.o ipx_route.o ipx_proc.o +ipx-y := af_ipx.o ipx_route.o ipx_proc.o pe2.o ipx-$(CONFIG_SYSCTL) += sysctl_net_ipx.o diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c index 34b3bb86840..91729b807c7 100644 --- a/net/ipx/af_ipx.c +++ b/net/ipx/af_ipx.c @@ -11,7 +11,7 @@ * work I am currently employed to do there. * * All the material in this file is subject to the Gnu license version 2. - * Neither Alan Cox nor the Swansea University Computer Society admit + * Neither Alan Cox nor the Swansea University Computer Society admit * liability nor provide warranty for any of this software. This material * is provided as is and at no charge. * @@ -28,7 +28,7 @@ * See net/ipx/ChangeLog. */ -#include <linux/config.h> +#include <linux/capability.h> #include <linux/errno.h> #include <linux/if_arp.h> #include <linux/if_ether.h> @@ -40,6 +40,7 @@ #include <linux/net.h> #include <linux/netdevice.h> #include <linux/uio.h> +#include <linux/slab.h> #include <linux/skbuff.h> #include <linux/socket.h> #include <linux/sockios.h> @@ -51,18 +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; @@ -75,7 +70,7 @@ static struct datalink_proto *pEII_datalink; static struct datalink_proto *p8023_datalink; static struct datalink_proto *pSNAP_datalink; -static struct proto_ops ipx_dgram_ops; +static const struct proto_ops ipx_dgram_ops; LIST_HEAD(ipx_interfaces); DEFINE_SPINLOCK(ipx_interfaces_lock); @@ -83,20 +78,6 @@ DEFINE_SPINLOCK(ipx_interfaces_lock); struct ipx_interface *ipx_primary_net; struct ipx_interface *ipx_internal_net; -extern int ipxrtr_add_route(__u32 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, int len, int noblock); -extern int ipxrtr_route_skb(struct sk_buff *skb); -extern struct ipx_route *ipxrtr_lookup(__u32 net); -extern int ipxrtr_ioctl(unsigned int cmd, void __user *arg); - -#undef IPX_REFCNT_DEBUG -#ifdef IPX_REFCNT_DEBUG -atomic_t ipx_sock_nr; -#endif - struct ipx_interface *ipx_interfaces_head(void) { struct ipx_interface *rc = NULL; @@ -151,18 +132,10 @@ static void ipx_destroy_socket(struct sock *sk) { ipx_remove_socket(sk); skb_queue_purge(&sk->sk_receive_queue); -#ifdef IPX_REFCNT_DEBUG - atomic_dec(&ipx_sock_nr); - printk(KERN_DEBUG "IPX socket %p released, %d are still alive\n", sk, - atomic_read(&ipx_sock_nr)); - if (atomic_read(&sk->sk_refcnt) != 1) - printk(KERN_DEBUG "Destruction sock ipx %p delayed, cnt=%d\n", - sk, atomic_read(&sk->sk_refcnt)); -#endif - sock_put(sk); + sk_refcnt_debug_dec(sk); } -/* +/* * The following code is used to support IPX Interfaces (IPXITF). An * IPX interface is defined by a physical device and a frame type. */ @@ -177,7 +150,7 @@ static void ipxitf_clear_primary_net(void) } static struct ipx_interface *__ipxitf_find_using_phys(struct net_device *dev, - unsigned short datalink) + __be16 datalink) { struct ipx_interface *i; @@ -190,7 +163,7 @@ out: } static struct ipx_interface *ipxitf_find_using_phys(struct net_device *dev, - unsigned short datalink) + __be16 datalink) { struct ipx_interface *i; @@ -202,7 +175,7 @@ static struct ipx_interface *ipxitf_find_using_phys(struct net_device *dev, return i; } -struct ipx_interface *ipxitf_find_using_net(__u32 net) +struct ipx_interface *ipxitf_find_using_net(__be32 net) { struct ipx_interface *i; @@ -237,12 +210,11 @@ static void ipxitf_insert_socket(struct ipx_interface *intrfc, struct sock *sk) /* caller must hold intrfc->if_sklist_lock */ static struct sock *__ipxitf_find_socket(struct ipx_interface *intrfc, - unsigned short port) + __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; @@ -252,7 +224,7 @@ found: /* caller must hold a reference to intrfc */ static struct sock *ipxitf_find_socket(struct ipx_interface *intrfc, - unsigned short port) + __be16 port) { struct sock *s; @@ -268,15 +240,14 @@ static struct sock *ipxitf_find_socket(struct ipx_interface *intrfc, #ifdef CONFIG_IPX_INTERN static struct sock *ipxitf_find_internal_socket(struct ipx_interface *intrfc, unsigned char *ipx_node, - unsigned short port) + __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 && @@ -294,14 +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; @@ -344,9 +315,12 @@ 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)) + return NOTIFY_DONE; + if (event != NETDEV_DOWN && event != NETDEV_UP) goto out; @@ -369,7 +343,7 @@ static __exit void ipxitf_cleanup(void) struct ipx_interface *i, *tmp; spin_lock_bh(&ipx_interfaces_lock); - list_for_each_entry_safe(i, tmp, &ipx_interfaces, node) + list_for_each_entry_safe(i, tmp, &ipx_interfaces, node) __ipxitf_put(i); spin_unlock_bh(&ipx_interfaces_lock); } @@ -394,12 +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 && @@ -446,21 +419,20 @@ static struct sock *ncp_connection_hack(struct ipx_interface *intrfc, * You might call this a hack, but believe me, you do not want a * complete NCP layer in the kernel, and this is VERY fast as well. */ struct sock *sk = NULL; - int connection = 0; + int connection = 0; u8 *ncphdr = (u8 *)(ipx + 1); - if (*ncphdr == 0x22 && *(ncphdr + 1) == 0x22) /* NCP request */ + if (*ncphdr == 0x22 && *(ncphdr + 1) == 0x22) /* NCP request */ connection = (((int) *(ncphdr + 5)) << 8) | (int) *(ncphdr + 3); else if (*ncphdr == 0x77 && *(ncphdr + 1) == 0x77) /* BURST packet */ 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; @@ -482,7 +454,7 @@ static int ipxitf_demux_socket(struct ipx_interface *intrfc, if (intrfc == ipx_primary_net && ntohs(ipx->ipx_dest.sock) == 0x451) sock1 = ncp_connection_hack(intrfc, ipx); - if (!sock1) + if (!sock1) /* No special socket found, forward the packet the normal way */ sock1 = ipxitf_find_socket(intrfc, ipx->ipx_dest.sock); @@ -576,7 +548,9 @@ static struct sk_buff *ipxitf_adjust_skbuff(struct ipx_interface *intrfc, skb2 = alloc_skb(len, GFP_ATOMIC); if (skb2) { skb_reserve(skb2, out_offset); - skb2->nh.raw = skb2->h.raw = skb_put(skb2, skb->len); + skb_reset_network_header(skb2); + skb_reset_transport_header(skb2); + skb_put(skb2, skb->len); memcpy(ipx_hdr(skb2), ipx_hdr(skb), skb->len); memcpy(skb2->cb, skb->cb, sizeof(skb->cb)); } @@ -600,29 +574,29 @@ int ipxitf_send(struct ipx_interface *intrfc, struct sk_buff *skb, char *node) /* see if we need to include the netnum in the route list */ if (IPX_SKB_CB(skb)->last_hop.index >= 0) { - u32 *last_hop = (u32 *)(((u8 *) skb->data) + + __be32 *last_hop = (__be32 *)(((u8 *) skb->data) + sizeof(struct ipxhdr) + IPX_SKB_CB(skb)->last_hop.index * - sizeof(u32)); + sizeof(__be32)); *last_hop = IPX_SKB_CB(skb)->last_hop.netnum; IPX_SKB_CB(skb)->last_hop.index = -1; } - - /* + + /* * We need to know how many skbuffs it will take to send out this * packet to avoid unnecessary copies. */ - - if (!dl || !dev || dev->flags & IFF_LOOPBACK) + + if (!dl || !dev || dev->flags & IFF_LOOPBACK) send_to_wire = 0; /* No non looped */ /* - * See if this should be demuxed to sockets on this interface + * See if this should be demuxed to sockets on this interface * * We want to ensure the original was eaten or that we only use * up clones. */ - + if (ipx->ipx_dest.net == intrfc->if_netnum) { /* * To our own node, loop and free the original. @@ -709,8 +683,8 @@ static int ipxitf_rcv(struct ipx_interface *intrfc, struct sk_buff *skb) /* See if we should update our network number */ if (!intrfc->if_netnum) /* net number of intrfc not known yet */ - ipxitf_discover_netnum(intrfc, skb); - + ipxitf_discover_netnum(intrfc, skb); + IPX_SKB_CB(skb)->last_hop.index = -1; if (ipx->ipx_type == IPX_TYPE_PPROP) { rc = ipxitf_pprop(intrfc, skb); @@ -756,7 +730,7 @@ out_intrfc: static void ipxitf_discover_netnum(struct ipx_interface *intrfc, struct sk_buff *skb) -{ +{ const struct ipx_cb *cb = IPX_SKB_CB(skb); /* see if this is an intra packet: source_net == dest_net */ @@ -772,7 +746,7 @@ static void ipxitf_discover_netnum(struct ipx_interface *intrfc, } else { printk(KERN_WARNING "IPX: Network number collision " "%lx\n %s %s and %s %s\n", - (unsigned long) htonl(cb->ipx_source_net), + (unsigned long) ntohl(cb->ipx_source_net), ipx_device_name(i), ipx_frame_name(i->if_dlink_type), ipx_device_name(intrfc), @@ -793,7 +767,7 @@ static void ipxitf_discover_netnum(struct ipx_interface *intrfc, * it, not even processing it locally, if it has exact %IPX_MAX_PPROP_HOPS we * don't broadcast it, but process it locally. See chapter 5 of Novell's "IPX * RIP and SAP Router Specification", Part Number 107-000029-001. - * + * * If it is valid, check if we have pprop broadcasting enabled by the user, * if not, just return zero for local processing. * @@ -812,7 +786,7 @@ static int ipxitf_pprop(struct ipx_interface *intrfc, struct sk_buff *skb) int i, rc = -EINVAL; struct ipx_interface *ifcs; char *c; - u32 *l; + __be32 *l; /* Illegal packet - too many hops or too short */ /* We decide to throw it away: no broadcasting, no local processing. @@ -820,7 +794,7 @@ static int ipxitf_pprop(struct ipx_interface *intrfc, struct sk_buff *skb) * tctrl <= 15, any data payload... */ if (IPX_SKB_CB(skb)->ipx_tctrl > IPX_MAX_PPROP_HOPS || ntohs(ipx->ipx_pktsize) < sizeof(struct ipxhdr) + - IPX_MAX_PPROP_HOPS * sizeof(u32)) + IPX_MAX_PPROP_HOPS * sizeof(u32)) goto out; /* are we broadcasting this damn thing? */ rc = 0; @@ -831,9 +805,9 @@ static int ipxitf_pprop(struct ipx_interface *intrfc, struct sk_buff *skb) * locally. */ if (IPX_SKB_CB(skb)->ipx_tctrl == IPX_MAX_PPROP_HOPS) goto out; - + c = ((u8 *) ipx) + sizeof(struct ipxhdr); - l = (u32 *) c; + l = (__be32 *) c; /* Don't broadcast packet if already seen this net */ for (i = 0; i < IPX_SKB_CB(skb)->ipx_tctrl; i++) @@ -851,11 +825,11 @@ static int ipxitf_pprop(struct ipx_interface *intrfc, struct sk_buff *skb) /* Except unconfigured interfaces */ if (!ifcs->if_netnum) continue; - + /* That aren't in the list */ if (ifcs == intrfc) continue; - l = (__u32 *) c; + l = (__be32 *) c; /* don't consider the last entry in the packet list, * it is our netnum, and it is not there yet */ for (i = 0; i < IPX_SKB_CB(skb)->ipx_tctrl; i++) @@ -885,8 +859,8 @@ static void ipxitf_insert(struct ipx_interface *intrfc) ipx_primary_net = intrfc; } -static struct ipx_interface *ipxitf_alloc(struct net_device *dev, __u32 netnum, - unsigned short dlink_type, +static struct ipx_interface *ipxitf_alloc(struct net_device *dev, __be32 netnum, + __be16 dlink_type, struct datalink_proto *dlink, unsigned char internal, int ipx_offset) @@ -943,9 +917,9 @@ out: return rc; } -static int ipx_map_frame_type(unsigned char type) +static __be16 ipx_map_frame_type(unsigned char type) { - int rc = 0; + __be16 rc = 0; switch (type) { case IPX_FRAME_ETHERII: rc = htons(ETH_P_IPX); break; @@ -960,7 +934,7 @@ static int ipx_map_frame_type(unsigned char type) static int ipxitf_create(struct ipx_interface_definition *idef) { struct net_device *dev; - unsigned short dlink_type = 0; + __be16 dlink_type = 0; struct datalink_proto *datalink = NULL; struct ipx_interface *intrfc; int rc; @@ -984,16 +958,12 @@ static int ipxitf_create(struct ipx_interface_definition *idef) if (intrfc) ipxitf_put(intrfc); - dev = dev_get_by_name(idef->ipx_device); + dev = dev_get_by_name(&init_net, idef->ipx_device); rc = -ENODEV; if (!dev) goto out; switch (idef->ipx_dlink_type) { - case IPX_FRAME_TR_8022: - printk(KERN_WARNING "IPX frame type 802.2TR is " - "obsolete Use 802.2 instead.\n"); - /* fall through */ case IPX_FRAME_8022: dlink_type = htons(ETH_P_802_2); datalink = p8022_datalink; @@ -1003,10 +973,7 @@ static int ipxitf_create(struct ipx_interface_definition *idef) dlink_type = htons(ETH_P_IPX); datalink = pEII_datalink; break; - } else - printk(KERN_WARNING "IPX frame type EtherII over " - "token-ring is obsolete. Use SNAP " - "instead.\n"); + } /* fall through */ case IPX_FRAME_SNAP: dlink_type = htons(ETH_P_SNAP); @@ -1073,7 +1040,7 @@ out: static int ipxitf_delete(struct ipx_interface_definition *idef) { struct net_device *dev = NULL; - unsigned short dlink_type = 0; + __be16 dlink_type = 0; struct ipx_interface *intrfc; int rc = 0; @@ -1092,7 +1059,7 @@ static int ipxitf_delete(struct ipx_interface_definition *idef) if (!dlink_type) goto out; - dev = __dev_get_by_name(idef->ipx_device); + dev = __dev_get_by_name(&init_net, idef->ipx_device); rc = -ENODEV; if (!dev) goto out; @@ -1110,7 +1077,7 @@ out: } static struct ipx_interface *ipxitf_auto_create(struct net_device *dev, - unsigned short dlink_type) + __be16 dlink_type) { struct ipx_interface *intrfc = NULL; struct datalink_proto *datalink; @@ -1122,7 +1089,7 @@ static struct ipx_interface *ipxitf_auto_create(struct net_device *dev, if (dev->addr_len > IPX_NODE_LEN) goto out; - switch (htons(dlink_type)) { + switch (ntohs(dlink_type)) { case ETH_P_IPX: datalink = pEII_datalink; break; case ETH_P_802_2: datalink = p8022_datalink; break; case ETH_P_SNAP: datalink = pSNAP_datalink; break; @@ -1187,7 +1154,7 @@ static int ipxitf_ioctl(unsigned int cmd, void __user *arg) if (copy_from_user(&ifr, arg, sizeof(ifr))) break; sipx = (struct sockaddr_ipx *)&ifr.ifr_addr; - dev = __dev_get_by_name(ifr.ifr_name); + dev = __dev_get_by_name(&init_net, ifr.ifr_name); rc = -ENODEV; if (!dev) break; @@ -1208,14 +1175,14 @@ static int ipxitf_ioctl(unsigned int cmd, void __user *arg) rc = 0; break; } - case SIOCAIPXITFCRT: + case SIOCAIPXITFCRT: rc = -EFAULT; if (get_user(val, (unsigned char __user *) arg)) break; rc = 0; ipxcfg_auto_create_interfaces = val; break; - case SIOCAIPXPRISLT: + case SIOCAIPXPRISLT: rc = -EFAULT; if (get_user(val, (unsigned char __user *) arg)) break; @@ -1230,31 +1197,31 @@ static int ipxitf_ioctl(unsigned int cmd, void __user *arg) /* * Checksum routine for IPX */ - + /* Note: We assume ipx_tctrl==0 and htons(length)==ipx_pktsize */ /* This functions should *not* mess with packet contents */ -__u16 ipx_cksum(struct ipxhdr *packet, int length) +__be16 ipx_cksum(struct ipxhdr *packet, int length) { - /* - * NOTE: sum is a net byte order quantity, which optimizes the + /* + * NOTE: sum is a net byte order quantity, which optimizes the * loop. This only works on big and little endian machines. (I * don't know of a machine that isn't.) */ - /* start at ipx_dest - We skip the checksum field and start with - * ipx_type before the loop, not considering ipx_tctrl in the calc */ - __u16 *p = (__u16 *)&packet->ipx_dest; - __u32 i = (length >> 1) - 1; /* Number of complete words */ - __u32 sum = packet->ipx_type << sizeof(packet->ipx_tctrl); - - /* Loop through all complete words except the checksum field, - * ipx_type (accounted above) and ipx_tctrl (not used in the cksum) */ - while (--i) + /* handle the first 3 words separately; checksum should be skipped + * and ipx_tctrl masked out */ + __u16 *p = (__u16 *)packet; + __u32 sum = p[1] + (p[2] & (__force u16)htons(0x00ff)); + __u32 i = (length >> 1) - 3; /* Number of remaining complete words */ + + /* Loop through them */ + p += 3; + while (i--) sum += *p++; /* Add on the last part word if it exists */ if (packet->ipx_pktsize & htons(1)) - sum += ntohs(0xff00) & *p; + sum += (__force u16)htons(0xff00) & *p; /* Do final fixup */ sum = (sum & 0xffff) + (sum >> 16); @@ -1263,10 +1230,17 @@ __u16 ipx_cksum(struct ipxhdr *packet, int length) if (sum >= 0x10000) sum++; - return ~sum; + /* + * Leave 0 alone; we don't want 0xffff here. Note that we can't get + * here with 0x10000, so this check is the same as ((__u16)sum) + */ + if (sum) + sum = ~sum; + + return (__force __be16)sum; } -const char *ipx_frame_name(unsigned short frame) +const char *ipx_frame_name(__be16 frame) { char* rc = "None"; @@ -1275,7 +1249,6 @@ const char *ipx_frame_name(unsigned short frame) case ETH_P_802_2: rc = "802.2"; break; case ETH_P_SNAP: rc = "SNAP"; break; case ETH_P_802_3: rc = "802.3"; break; - case ETH_P_TR_802_2: rc = "802.2TR"; break; } return rc; @@ -1291,12 +1264,13 @@ const char *ipx_device_name(struct ipx_interface *intrfc) * socket object. */ static int ipx_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; int opt; int rc = -EINVAL; + lock_sock(sk); if (optlen != sizeof(int)) goto out; @@ -1311,6 +1285,7 @@ static int ipx_setsockopt(struct socket *sock, int level, int optname, ipx_sk(sk)->type = opt; rc = 0; out: + release_sock(sk); return rc; } @@ -1322,6 +1297,7 @@ static int ipx_getsockopt(struct socket *sock, int level, int optname, int len; int rc = -ENOPROTOOPT; + lock_sock(sk); if (!(level == SOL_IPX && optname == IPX_TYPE)) goto out; @@ -1335,13 +1311,14 @@ static int ipx_getsockopt(struct socket *sock, int level, int optname, rc = -EINVAL; if(len < 0) goto out; - + rc = -EFAULT; if (put_user(len, optlen) || copy_to_user(optval, &val, len)) goto out; rc = 0; out: + release_sock(sk); return rc; } @@ -1351,11 +1328,15 @@ static struct proto ipx_proto = { .obj_size = sizeof(struct ipx_sock), }; -static int ipx_create(struct socket *sock, int protocol) +static int ipx_create(struct net *net, struct socket *sock, int protocol, + int kern) { int rc = -ESOCKTNOSUPPORT; struct sock *sk; + if (!net_eq(net, &init_net)) + return -EAFNOSUPPORT; + /* * SPX support is not anymore in the kernel sources. If you want to * ressurrect it, completing it and making it understand shared skbs, @@ -1365,17 +1346,14 @@ static int ipx_create(struct socket *sock, int protocol) if (sock->type != SOCK_DGRAM) goto out; - rc = -ENOMEM; - sk = sk_alloc(PF_IPX, GFP_KERNEL, &ipx_proto, 1); + rc = -ENOMEM; + sk = sk_alloc(net, PF_IPX, GFP_KERNEL, &ipx_proto); if (!sk) goto out; -#ifdef IPX_REFCNT_DEBUG - atomic_inc(&ipx_sock_nr); - printk(KERN_DEBUG "IPX socket %p created, now we have %d alive\n", sk, - atomic_read(&ipx_sock_nr)); -#endif + + 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: @@ -1389,19 +1367,24 @@ static int ipx_release(struct socket *sock) if (!sk) goto out; + lock_sock(sk); + sk->sk_shutdown = SHUTDOWN_MASK; if (!sock_flag(sk, SOCK_DEAD)) sk->sk_state_change(sk); sock_set_flag(sk, SOCK_DEAD); sock->sk = NULL; + sk_refcnt_debug_release(sk); ipx_destroy_socket(sk); + release_sock(sk); + sock_put(sk); out: return 0; } /* caller must hold a reference to intrfc */ -static unsigned short ipx_first_free_socketnum(struct ipx_interface *intrfc) +static __be16 ipx_first_free_socketnum(struct ipx_interface *intrfc) { unsigned short socketNum = intrfc->if_sknum; @@ -1410,7 +1393,7 @@ static unsigned short ipx_first_free_socketnum(struct ipx_interface *intrfc) if (socketNum < IPX_MIN_EPHEMERAL_SOCKET) socketNum = IPX_MIN_EPHEMERAL_SOCKET; - while (__ipxitf_find_socket(intrfc, ntohs(socketNum))) + while (__ipxitf_find_socket(intrfc, htons(socketNum))) if (socketNum > IPX_MAX_EPHEMERAL_SOCKET) socketNum = IPX_MIN_EPHEMERAL_SOCKET; else @@ -1419,10 +1402,11 @@ static unsigned short ipx_first_free_socketnum(struct ipx_interface *intrfc) spin_unlock_bh(&intrfc->if_sklist_lock); intrfc->if_sknum = socketNum; - return ntohs(socketNum); + return htons(socketNum); } -static int ipx_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) +static int __ipx_bind(struct socket *sock, + struct sockaddr *uaddr, int addr_len) { struct sock *sk = sock->sk; struct ipx_sock *ipxs = ipx_sk(sk); @@ -1473,7 +1457,7 @@ static int ipx_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) ipxs->port)) { SOCK_DEBUG(sk, "IPX: bind failed because port %X in use.\n", - ntohs((int)addr->sipx_port)); + ntohs(addr->sipx_port)); goto out_put; } } else { @@ -1488,7 +1472,7 @@ static int ipx_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) if (ipxitf_find_socket(intrfc, addr->sipx_port)) { SOCK_DEBUG(sk, "IPX: bind failed because port %X in use.\n", - ntohs((int)addr->sipx_port)); + ntohs(addr->sipx_port)); goto out_put; } } @@ -1517,6 +1501,18 @@ out: return rc; } +static int ipx_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) +{ + struct sock *sk = sock->sk; + int rc; + + lock_sock(sk); + rc = __ipx_bind(sock, uaddr, addr_len); + release_sock(sk); + + return rc; +} + static int ipx_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags) { @@ -1529,6 +1525,7 @@ static int ipx_connect(struct socket *sock, struct sockaddr *uaddr, sk->sk_state = TCP_CLOSE; sock->state = SS_UNCONNECTED; + lock_sock(sk); if (addr_len != sizeof(*addr)) goto out; addr = (struct sockaddr_ipx *)uaddr; @@ -1548,13 +1545,13 @@ static int ipx_connect(struct socket *sock, struct sockaddr *uaddr, IPX_NODE_LEN); #endif /* CONFIG_IPX_INTERN */ - rc = ipx_bind(sock, (struct sockaddr *)&uaddr, + rc = __ipx_bind(sock, (struct sockaddr *)&uaddr, sizeof(struct sockaddr_ipx)); if (rc) goto out; } - /* We can either connect to primary network or somewhere + /* We can either connect to primary network or somewhere * we can route to */ rt = ipxrtr_lookup(addr->sipx_network); rc = -ENETUNREACH; @@ -1575,6 +1572,7 @@ static int ipx_connect(struct socket *sock, struct sockaddr *uaddr, ipxrtr_put(rt); rc = 0; out: + release_sock(sk); return rc; } @@ -1590,6 +1588,7 @@ static int ipx_getname(struct socket *sock, struct sockaddr *uaddr, *uaddr_len = sizeof(struct sockaddr_ipx); + lock_sock(sk); if (peer) { rc = -ENOTCONN; if (sk->sk_state != TCP_ESTABLISHED) @@ -1624,6 +1623,7 @@ static int ipx_getname(struct socket *sock, struct sockaddr *uaddr, rc = 0; out: + release_sock(sk); return rc; } @@ -1634,21 +1634,28 @@ static int ipx_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_ty struct ipxhdr *ipx; u16 ipx_pktsize; int rc = 0; - - /* Not ours */ - if (skb->pkt_type == PACKET_OTHERHOST) - goto drop; + + if (!net_eq(dev_net(dev), &init_net)) + goto drop; + + /* Not ours */ + if (skb->pkt_type == PACKET_OTHERHOST) + goto drop; if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) goto out; - ipx = ipx_hdr(skb); - ipx_pktsize = ntohs(ipx->ipx_pktsize); - + if (!pskb_may_pull(skb, sizeof(struct ipxhdr))) + goto drop; + + ipx_pktsize = ntohs(ipx_hdr(skb)->ipx_pktsize); + /* Too small or invalid header? */ - if (ipx_pktsize < sizeof(struct ipxhdr) || ipx_pktsize > skb->len) + if (ipx_pktsize < sizeof(struct ipxhdr) || + !pskb_may_pull(skb, ipx_pktsize)) goto drop; - + + ipx = ipx_hdr(skb); if (ipx->ipx_checksum != IPX_NO_CHECKSUM && ipx->ipx_checksum != ipx_cksum(ipx, ipx_pktsize)) goto drop; @@ -1661,7 +1668,7 @@ static int ipx_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_ty intrfc = ipxitf_find_using_phys(dev, pt->type); if (!intrfc) { if (ipxcfg_auto_create_interfaces && - ntohl(IPX_SKB_CB(skb)->ipx_dest_net)) { + IPX_SKB_CB(skb)->ipx_dest_net) { intrfc = ipxitf_auto_create(dev, pt->type); if (intrfc) ipxitf_hold(intrfc); @@ -1686,11 +1693,12 @@ 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; + lock_sock(sk); /* Socket gets bound below anyway */ /* if (sk->sk_zapped) return -EIO; */ /* Socket not bound */ @@ -1714,7 +1722,7 @@ static int ipx_sendmsg(struct kiocb *iocb, struct socket *sock, memcpy(uaddr.sipx_node, ipxs->intrfc->if_node, IPX_NODE_LEN); #endif - rc = ipx_bind(sock, (struct sockaddr *)&uaddr, + rc = __ipx_bind(sock, (struct sockaddr *)&uaddr, sizeof(struct sockaddr_ipx)); if (rc) goto out; @@ -1742,6 +1750,7 @@ static int ipx_sendmsg(struct kiocb *iocb, struct socket *sock, if (rc >= 0) rc = len; out: + release_sock(sk); return rc; } @@ -1751,11 +1760,12 @@ 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; + lock_sock(sk); /* put the autobinding in */ if (!ipxs->port) { struct sockaddr_ipx uaddr; @@ -1770,20 +1780,23 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock, memcpy(uaddr.sipx_node, ipxs->intrfc->if_node, IPX_NODE_LEN); #endif /* CONFIG_IPX_INTERN */ - rc = ipx_bind(sock, (struct sockaddr *)&uaddr, + rc = __ipx_bind(sock, (struct sockaddr *)&uaddr, sizeof(struct sockaddr_ipx)); if (rc) goto out; } - + rc = -ENOTCONN; if (sock_flag(sk, SOCK_ZAPPED)) goto out; 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); @@ -1796,10 +1809,8 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock, copied); if (rc) goto out_free; - if (skb->tstamp.off_sec) - skb_get_timestamp(skb, &sk->sk_stamp); - - msg->msg_namelen = sizeof(*sipx); + if (skb->tstamp.tv64) + sk->sk_stamp = skb->tstamp; if (sipx) { sipx->sipx_family = AF_IPX; @@ -1808,12 +1819,14 @@ 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; out_free: skb_free_datagram(sk, skb); out: + release_sock(sk); return rc; } @@ -1825,9 +1838,10 @@ static int ipx_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) struct sock *sk = sock->sk; void __user *argp = (void __user *)arg; + lock_sock(sk); switch (cmd) { case TIOCOUTQ: - amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc); + amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk); if (amount < 0) amount = 0; rc = put_user(amount, (int __user *)argp); @@ -1864,16 +1878,14 @@ static int ipx_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) * This socket wants to take care of the NCP connection * handed to us in arg. */ - rc = -EPERM; - if (!capable(CAP_NET_ADMIN)) + rc = -EPERM; + if (!capable(CAP_NET_ADMIN)) break; rc = get_user(ipx_sk(sk)->ipx_ncp_conn, (const unsigned short __user *)argp); break; case SIOCGSTAMP: - rc = -EINVAL; - if (sk) - rc = sock_get_timestamp(sk, argp); + rc = sock_get_timestamp(sk, argp); break; case SIOCGIFDSTADDR: case SIOCSIFDSTADDR: @@ -1884,24 +1896,68 @@ static int ipx_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) rc = -EINVAL; break; default: - rc = dev_ioctl(cmd, argp); + rc = -ENOIOCTLCMD; break; } + release_sock(sk); return rc; } + +#ifdef CONFIG_COMPAT +static int ipx_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + /* + * These 4 commands use same structure on 32bit and 64bit. Rest of IPX + * commands is handled by generic ioctl code. As these commands are + * SIOCPROTOPRIVATE..SIOCPROTOPRIVATE+3, they cannot be handled by generic + * code. + */ + switch (cmd) { + case SIOCAIPXITFCRT: + case SIOCAIPXPRISLT: + case SIOCIPXCFGDATA: + case SIOCIPXNCPCONN: + return ipx_ioctl(sock, cmd, arg); + default: + return -ENOIOCTLCMD; + } +} +#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 */ -static struct net_proto_family ipx_family_ops = { +static const struct net_proto_family ipx_family_ops = { .family = PF_IPX, .create = ipx_create, .owner = THIS_MODULE, }; -static struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = { +static const struct proto_ops ipx_dgram_ops = { .family = PF_IPX, .owner = THIS_MODULE, .release = ipx_release, @@ -1912,8 +1968,11 @@ static struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = { .getname = ipx_getname, .poll = datagram_poll, .ioctl = ipx_ioctl, +#ifdef CONFIG_COMPAT + .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, @@ -1922,16 +1981,13 @@ static struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = { .sendpage = sock_no_sendpage, }; -#include <linux/smp_lock.h> -SOCKOPS_WRAP(ipx_dgram, PF_IPX); - -static struct packet_type ipx_8023_packet_type = { - .type = __constant_htons(ETH_P_802_3), +static struct packet_type ipx_8023_packet_type __read_mostly = { + .type = cpu_to_be16(ETH_P_802_3), .func = ipx_rcv, }; -static struct packet_type ipx_dix_packet_type = { - .type = __constant_htons(ETH_P_IPX), +static struct packet_type ipx_dix_packet_type __read_mostly = { + .type = cpu_to_be16(ETH_P_IPX), .func = ipx_rcv, }; @@ -1939,18 +1995,15 @@ 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 unsigned char ipx_8022_type = 0xE0; -static unsigned char ipx_snap_id[5] = { 0x0, 0x0, 0x0, 0x81, 0x37 }; -static char ipx_EII_err_msg[] __initdata = +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 = KERN_CRIT "IPX: Unable to register with Ethernet II\n"; -static char ipx_8023_err_msg[] __initdata = +static const char ipx_8023_err_msg[] __initconst = KERN_CRIT "IPX: Unable to register with 802.3\n"; -static char ipx_llc_err_msg[] __initdata = +static const char ipx_llc_err_msg[] __initconst = KERN_CRIT "IPX: Unable to register with 802.2\n"; -static char ipx_snap_err_msg[] __initdata = +static const char ipx_snap_err_msg[] __initconst = KERN_CRIT "IPX: Unable to register with SNAP\n"; static int __init ipx_init(void) @@ -1998,19 +2051,27 @@ static void __exit ipx_proto_finito(void) ipxitf_cleanup(); - unregister_snap_client(pSNAP_datalink); - pSNAP_datalink = NULL; + if (pSNAP_datalink) { + unregister_snap_client(pSNAP_datalink); + pSNAP_datalink = NULL; + } - unregister_8022_client(p8022_datalink); - p8022_datalink = NULL; + if (p8022_datalink) { + unregister_8022_client(p8022_datalink); + p8022_datalink = NULL; + } dev_remove_pack(&ipx_8023_packet_type); - destroy_8023_client(p8023_datalink); - p8023_datalink = NULL; + if (p8023_datalink) { + destroy_8023_client(p8023_datalink); + p8023_datalink = NULL; + } dev_remove_pack(&ipx_dix_packet_type); - destroy_EII_client(pEII_datalink); - pEII_datalink = NULL; + if (pEII_datalink) { + destroy_EII_client(pEII_datalink); + pEII_datalink = NULL; + } proto_unregister(&ipx_proto); sock_unregister(ipx_family_ops.family); diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c index 1f73d9ea434..e15c16a517e 100644 --- a/net/ipx/ipx_proc.c +++ b/net/ipx/ipx_proc.c @@ -4,54 +4,25 @@ * Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002 */ -#include <linux/config.h> #include <linux/init.h> #ifdef CONFIG_PROC_FS #include <linux/proc_fs.h> #include <linux/spinlock.h> #include <linux/seq_file.h> +#include <linux/export.h> +#include <net/net_namespace.h> #include <net/tcp_states.h> #include <net/ipx.h> -static __inline__ struct ipx_interface *ipx_get_interface_idx(loff_t pos) -{ - struct ipx_interface *i; - - list_for_each_entry(i, &ipx_interfaces, node) - if (!pos--) - goto out; - i = NULL; -out: - return i; -} - -static struct ipx_interface *ipx_interfaces_next(struct ipx_interface *i) -{ - struct ipx_interface *rc = NULL; - - if (i->node.next != &ipx_interfaces) - rc = list_entry(i->node.next, struct ipx_interface, node); - return rc; -} - static void *ipx_seq_interface_start(struct seq_file *seq, loff_t *pos) { - loff_t l = *pos; - spin_lock_bh(&ipx_interfaces_lock); - return l ? ipx_get_interface_idx(--l) : SEQ_START_TOKEN; + return seq_list_start_head(&ipx_interfaces, *pos); } static void *ipx_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos) { - struct ipx_interface *i; - - ++*pos; - if (v == SEQ_START_TOKEN) - i = ipx_interfaces_head(); - else - i = ipx_interfaces_next(v); - return i; + return seq_list_next(v, &ipx_interfaces, pos); } static void ipx_seq_interface_stop(struct seq_file *seq, void *v) @@ -63,7 +34,7 @@ static int ipx_seq_interface_show(struct seq_file *seq, void *v) { struct ipx_interface *i; - if (v == SEQ_START_TOKEN) { + if (v == &ipx_interfaces) { seq_puts(seq, "Network Node_Address Primary Device " "Frame_Type"); #ifdef IPX_REFCNT_DEBUG @@ -73,7 +44,7 @@ static int ipx_seq_interface_show(struct seq_file *seq, void *v) goto out; } - i = v; + i = list_entry(v, struct ipx_interface, node); seq_printf(seq, "%08lX ", (unsigned long int)ntohl(i->if_netnum)); seq_printf(seq, "%02X%02X%02X%02X%02X%02X ", i->if_node[0], i->if_node[1], i->if_node[2], @@ -89,53 +60,15 @@ out: return 0; } -static struct ipx_route *ipx_routes_head(void) -{ - struct ipx_route *rc = NULL; - - if (!list_empty(&ipx_routes)) - rc = list_entry(ipx_routes.next, struct ipx_route, node); - return rc; -} - -static struct ipx_route *ipx_routes_next(struct ipx_route *r) -{ - struct ipx_route *rc = NULL; - - if (r->node.next != &ipx_routes) - rc = list_entry(r->node.next, struct ipx_route, node); - return rc; -} - -static __inline__ struct ipx_route *ipx_get_route_idx(loff_t pos) -{ - struct ipx_route *r; - - list_for_each_entry(r, &ipx_routes, node) - if (!pos--) - goto out; - r = NULL; -out: - return r; -} - static void *ipx_seq_route_start(struct seq_file *seq, loff_t *pos) { - loff_t l = *pos; read_lock_bh(&ipx_routes_lock); - return l ? ipx_get_route_idx(--l) : SEQ_START_TOKEN; + return seq_list_start_head(&ipx_routes, *pos); } static void *ipx_seq_route_next(struct seq_file *seq, void *v, loff_t *pos) { - struct ipx_route *r; - - ++*pos; - if (v == SEQ_START_TOKEN) - r = ipx_routes_head(); - else - r = ipx_routes_next(v); - return r; + return seq_list_next(v, &ipx_routes, pos); } static void ipx_seq_route_stop(struct seq_file *seq, void *v) @@ -147,11 +80,13 @@ static int ipx_seq_route_show(struct seq_file *seq, void *v) { struct ipx_route *rt; - if (v == SEQ_START_TOKEN) { + if (v == &ipx_routes) { seq_puts(seq, "Network Router_Net Router_Node\n"); goto out; } - rt = v; + + rt = list_entry(v, struct ipx_route, node); + seq_printf(seq, "%08lX ", (unsigned long int)ntohl(rt->ir_net)); if (rt->ir_routed) seq_printf(seq, "%08lX %02X%02X%02X%02X%02X%02X\n", @@ -168,19 +103,18 @@ out: static __inline__ struct sock *ipx_get_socket_idx(loff_t pos) { struct sock *s = NULL; - struct hlist_node *node; struct ipx_interface *i; list_for_each_entry(i, &ipx_interfaces, node) { spin_lock_bh(&i->if_sklist_lock); - sk_for_each(s, node, &i->if_sklist) { + sk_for_each(s, &i->if_sklist) { if (!pos) break; --pos; } spin_unlock_bh(&i->if_sklist_lock); if (!pos) { - if (node) + if (s) goto found; break; } @@ -226,9 +160,9 @@ static void *ipx_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos) spin_unlock_bh(&i->if_sklist_lock); sk = NULL; for (;;) { - i = ipx_interfaces_next(i); - if (!i) + if (i->node.next == &ipx_interfaces) break; + i = list_entry(i->node.next, struct ipx_interface, node); spin_lock_bh(&i->if_sklist_lock); if (!hlist_empty(&i->if_sklist)) { sk = sk_head(&i->if_sklist); @@ -261,47 +195,48 @@ static int ipx_seq_socket_show(struct seq_file *seq, void *v) ipxs = ipx_sk(s); #ifdef CONFIG_IPX_INTERN seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ", - (unsigned long)htonl(ipxs->intrfc->if_netnum), + (unsigned long)ntohl(ipxs->intrfc->if_netnum), ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3], - ipxs->node[4], ipxs->node[5], htons(ipxs->port)); + ipxs->node[4], ipxs->node[5], ntohs(ipxs->port)); #else - seq_printf(seq, "%08lX:%04X ", (unsigned long) htonl(ipxs->intrfc->if_netnum), - htons(ipxs->port)); + seq_printf(seq, "%08lX:%04X ", (unsigned long) ntohl(ipxs->intrfc->if_netnum), + ntohs(ipxs->port)); #endif /* CONFIG_IPX_INTERN */ if (s->sk_state != TCP_ESTABLISHED) seq_printf(seq, "%-28s", "Not_Connected"); else { seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ", - (unsigned long)htonl(ipxs->dest_addr.net), + (unsigned long)ntohl(ipxs->dest_addr.net), ipxs->dest_addr.node[0], ipxs->dest_addr.node[1], ipxs->dest_addr.node[2], ipxs->dest_addr.node[3], ipxs->dest_addr.node[4], ipxs->dest_addr.node[5], - htons(ipxs->dest_addr.sock)); + ntohs(ipxs->dest_addr.sock)); } - seq_printf(seq, "%08X %08X %02X %03d\n", - atomic_read(&s->sk_wmem_alloc), - atomic_read(&s->sk_rmem_alloc), - s->sk_state, SOCK_INODE(s->sk_socket)->i_uid); + seq_printf(seq, "%08X %08X %02X %03u\n", + sk_wmem_alloc_get(s), + sk_rmem_alloc_get(s), + s->sk_state, + from_kuid_munged(seq_user_ns(seq), sock_i_uid(s))); out: return 0; } -static struct seq_operations ipx_seq_interface_ops = { +static const struct seq_operations ipx_seq_interface_ops = { .start = ipx_seq_interface_start, .next = ipx_seq_interface_next, .stop = ipx_seq_interface_stop, .show = ipx_seq_interface_show, }; -static struct seq_operations ipx_seq_route_ops = { +static const struct seq_operations ipx_seq_route_ops = { .start = ipx_seq_route_start, .next = ipx_seq_route_next, .stop = ipx_seq_route_stop, .show = ipx_seq_route_show, }; -static struct seq_operations ipx_seq_socket_ops = { +static const struct seq_operations ipx_seq_socket_ops = { .start = ipx_seq_socket_start, .next = ipx_seq_socket_next, .stop = ipx_seq_interface_stop, @@ -323,7 +258,7 @@ static int ipx_seq_socket_open(struct inode *inode, struct file *file) return seq_open(file, &ipx_seq_socket_ops); } -static struct file_operations ipx_seq_interface_fops = { +static const struct file_operations ipx_seq_interface_fops = { .owner = THIS_MODULE, .open = ipx_seq_interface_open, .read = seq_read, @@ -331,7 +266,7 @@ static struct file_operations ipx_seq_interface_fops = { .release = seq_release, }; -static struct file_operations ipx_seq_route_fops = { +static const struct file_operations ipx_seq_route_fops = { .owner = THIS_MODULE, .open = ipx_seq_route_open, .read = seq_read, @@ -339,7 +274,7 @@ static struct file_operations ipx_seq_route_fops = { .release = seq_release, }; -static struct file_operations ipx_seq_socket_fops = { +static const struct file_operations ipx_seq_socket_fops = { .owner = THIS_MODULE, .open = ipx_seq_socket_open, .read = seq_read, @@ -353,27 +288,24 @@ int __init ipx_proc_init(void) { struct proc_dir_entry *p; int rc = -ENOMEM; - - ipx_proc_dir = proc_mkdir("ipx", proc_net); + + ipx_proc_dir = proc_mkdir("ipx", init_net.proc_net); if (!ipx_proc_dir) goto out; - p = create_proc_entry("interface", S_IRUGO, ipx_proc_dir); + p = proc_create("interface", S_IRUGO, + ipx_proc_dir, &ipx_seq_interface_fops); if (!p) goto out_interface; - p->proc_fops = &ipx_seq_interface_fops; - p = create_proc_entry("route", S_IRUGO, ipx_proc_dir); + p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops); if (!p) goto out_route; - p->proc_fops = &ipx_seq_route_fops; - p = create_proc_entry("socket", S_IRUGO, ipx_proc_dir); + p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops); if (!p) goto out_socket; - p->proc_fops = &ipx_seq_socket_fops; - rc = 0; out: return rc; @@ -382,7 +314,7 @@ out_socket: out_route: remove_proc_entry("interface", ipx_proc_dir); out_interface: - remove_proc_entry("ipx", proc_net); + remove_proc_entry("ipx", init_net.proc_net); goto out; } @@ -391,7 +323,7 @@ void __exit ipx_proc_exit(void) remove_proc_entry("interface", ipx_proc_dir); remove_proc_entry("route", ipx_proc_dir); remove_proc_entry("socket", ipx_proc_dir); - remove_proc_entry("ipx", proc_net); + remove_proc_entry("ipx", init_net.proc_net); } #else /* CONFIG_PROC_FS */ diff --git a/net/ipx/ipx_route.c b/net/ipx/ipx_route.c index 67774448efd..67e7ad3d46b 100644 --- a/net/ipx/ipx_route.c +++ b/net/ipx/ipx_route.c @@ -7,9 +7,9 @@ * See net/ipx/ChangeLog. */ -#include <linux/config.h> #include <linux/list.h> #include <linux/route.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include <net/ipx.h> @@ -20,17 +20,13 @@ DEFINE_RWLOCK(ipx_routes_lock); extern struct ipx_interface *ipx_internal_net; -extern __u16 ipx_cksum(struct ipxhdr *packet, int length); -extern struct ipx_interface *ipxitf_find_using_net(__u32 net); +extern struct ipx_interface *ipxitf_find_using_net(__be32 net); extern int ipxitf_demux_socket(struct ipx_interface *intrfc, struct sk_buff *skb, int copy); extern int ipxitf_demux_socket(struct ipx_interface *intrfc, struct sk_buff *skb, int copy); -extern int ipxitf_send(struct ipx_interface *intrfc, struct sk_buff *skb, - char *node); -extern struct ipx_interface *ipxitf_find_using_net(__u32 net); -struct ipx_route *ipxrtr_lookup(__u32 net) +struct ipx_route *ipxrtr_lookup(__be32 net) { struct ipx_route *r; @@ -49,7 +45,7 @@ unlock: /* * Caller must hold a reference to intrfc */ -int ipxrtr_add_route(__u32 network, struct ipx_interface *intrfc, +int ipxrtr_add_route(__be32 network, struct ipx_interface *intrfc, unsigned char *node) { struct ipx_route *rt; @@ -119,7 +115,7 @@ out: return rc; } -static int ipxrtr_delete(long net) +static int ipxrtr_delete(__be32 net) { struct ipx_route *r, *tmp; int rc; @@ -204,7 +200,9 @@ int ipxrtr_route_packet(struct sock *sk, struct sockaddr_ipx *usipx, skb->sk = sk; /* Fill in IPX header */ - skb->h.raw = skb->nh.raw = skb_put(skb, sizeof(struct ipxhdr)); + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + skb_put(skb, sizeof(struct ipxhdr)); ipx = ipx_hdr(skb); ipx->ipx_pktsize = htons(len + sizeof(struct ipxhdr)); IPX_SKB_CB(skb)->ipx_tctrl = 0; @@ -235,15 +233,16 @@ int ipxrtr_route_packet(struct sock *sk, struct sockaddr_ipx *usipx, if (rc) { kfree_skb(skb); goto out_put; - } + } /* Apply checksum. Not allowed on 802.3 links. */ - if (sk->sk_no_check || intrfc->if_dlink_type == IPX_FRAME_8023) - ipx->ipx_checksum = 0xFFFF; + if (sk->sk_no_check_tx || + intrfc->if_dlink_type == htons(IPX_FRAME_8023)) + ipx->ipx_checksum = htons(0xFFFF); else ipx->ipx_checksum = ipx_cksum(ipx, len + sizeof(struct ipxhdr)); - rc = ipxitf_send(intrfc, skb, (rt && rt->ir_routed) ? + rc = ipxitf_send(intrfc, skb, (rt && rt->ir_routed) ? rt->ir_router_node : ipx->ipx_dest.node); out_put: ipxitf_put(intrfc); diff --git a/net/ipx/pe2.c b/net/ipx/pe2.c new file mode 100644 index 00000000000..32dcd601ab3 --- /dev/null +++ b/net/ipx/pe2.c @@ -0,0 +1,35 @@ +#include <linux/in.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/skbuff.h> +#include <linux/slab.h> + +#include <net/datalink.h> + +static int pEII_request(struct datalink_proto *dl, + struct sk_buff *skb, unsigned char *dest_node) +{ + struct net_device *dev = skb->dev; + + skb->protocol = htons(ETH_P_IPX); + dev_hard_header(skb, dev, ETH_P_IPX, dest_node, NULL, skb->len); + return dev_queue_xmit(skb); +} + +struct datalink_proto *make_EII_client(void) +{ + struct datalink_proto *proto = kmalloc(sizeof(*proto), GFP_ATOMIC); + + if (proto) { + proto->header_length = 0; + proto->request = pEII_request; + } + + return proto; +} + +void destroy_EII_client(struct datalink_proto *dl) +{ + kfree(dl); +} diff --git a/net/ipx/sysctl_net_ipx.c b/net/ipx/sysctl_net_ipx.c index 510eda96d10..ad7c03dedaa 100644 --- a/net/ipx/sysctl_net_ipx.c +++ b/net/ipx/sysctl_net_ipx.c @@ -6,9 +6,9 @@ * Added /proc/sys/net/ipx/ipx_pprop_broadcasting - acme March 4, 2001 */ -#include <linux/config.h> #include <linux/mm.h> #include <linux/sysctl.h> +#include <net/net_namespace.h> #ifndef CONFIG_SYSCTL #error This file should not be compiled without CONFIG_SYSCTL defined @@ -19,44 +19,23 @@ extern int sysctl_ipx_pprop_broadcasting; static struct ctl_table ipx_table[] = { { - .ctl_name = NET_IPX_PPROP_BROADCASTING, .procname = "ipx_pprop_broadcasting", .data = &sysctl_ipx_pprop_broadcasting, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = proc_dointvec, }, - { 0 }, -}; - -static struct ctl_table ipx_dir_table[] = { - { - .ctl_name = NET_IPX, - .procname = "ipx", - .mode = 0555, - .child = ipx_table, - }, - { 0 }, -}; - -static struct ctl_table ipx_root_table[] = { - { - .ctl_name = CTL_NET, - .procname = "net", - .mode = 0555, - .child = ipx_dir_table, - }, - { 0 }, + { }, }; static struct ctl_table_header *ipx_table_header; void ipx_register_sysctl(void) { - ipx_table_header = register_sysctl_table(ipx_root_table, 1); + ipx_table_header = register_net_sysctl(&init_net, "net/ipx", ipx_table); } void ipx_unregister_sysctl(void) { - unregister_sysctl_table(ipx_table_header); + unregister_net_sysctl_table(ipx_table_header); } |
