2 * linux/net/sunrpc/svc_xprt.c
4 * Author: Tom Tucker <tom@opengridcomputing.com>
7 #include <linux/sched.h>
8 #include <linux/errno.h>
9 #include <linux/fcntl.h>
10 #include <linux/net.h>
12 #include <linux/inet.h>
13 #include <linux/udp.h>
14 #include <linux/tcp.h>
15 #include <linux/unistd.h>
16 #include <linux/slab.h>
17 #include <linux/netdevice.h>
18 #include <linux/skbuff.h>
19 #include <linux/file.h>
20 #include <linux/freezer.h>
22 #include <net/checksum.h>
25 #include <net/tcp_states.h>
26 #include <linux/uaccess.h>
27 #include <asm/ioctls.h>
29 #include <linux/sunrpc/types.h>
30 #include <linux/sunrpc/clnt.h>
31 #include <linux/sunrpc/xdr.h>
32 #include <linux/sunrpc/svcsock.h>
33 #include <linux/sunrpc/stats.h>
34 #include <linux/sunrpc/svc_xprt.h>
36 #define RPCDBG_FACILITY RPCDBG_SVCXPRT
38 /* List of registered transport classes */
39 static DEFINE_SPINLOCK(svc_xprt_class_lock);
40 static LIST_HEAD(svc_xprt_class_list);
42 int svc_reg_xprt_class(struct svc_xprt_class *xcl)
44 struct svc_xprt_class *cl;
47 dprintk("svc: Adding svc transport class '%s'\n", xcl->xcl_name);
49 INIT_LIST_HEAD(&xcl->xcl_list);
50 spin_lock(&svc_xprt_class_lock);
51 /* Make sure there isn't already a class with the same name */
52 list_for_each_entry(cl, &svc_xprt_class_list, xcl_list) {
53 if (strcmp(xcl->xcl_name, cl->xcl_name) == 0)
56 list_add_tail(&xcl->xcl_list, &svc_xprt_class_list);
59 spin_unlock(&svc_xprt_class_lock);
62 EXPORT_SYMBOL_GPL(svc_reg_xprt_class);
64 void svc_unreg_xprt_class(struct svc_xprt_class *xcl)
66 dprintk("svc: Removing svc transport class '%s'\n", xcl->xcl_name);
67 spin_lock(&svc_xprt_class_lock);
68 list_del_init(&xcl->xcl_list);
69 spin_unlock(&svc_xprt_class_lock);
71 EXPORT_SYMBOL_GPL(svc_unreg_xprt_class);
74 * Called by transport drivers to initialize the transport independent
75 * portion of the transport instance.
77 void svc_xprt_init(struct svc_xprt_class *xcl, struct svc_xprt *xprt)
79 memset(xprt, 0, sizeof(*xprt));
80 xprt->xpt_class = xcl;
81 xprt->xpt_ops = xcl->xcl_ops;
83 EXPORT_SYMBOL_GPL(svc_xprt_init);