7 #include <linux/kernel.h>
8 #include <linux/rcupdate.h>
9 #include <linux/sched.h>
11 #include "vserver/network.h"
14 #define nxdprintk(x...) printk("nxd: " x)
16 #define nxdprintk(x...)
20 extern int proc_pid_nx_info(struct task_struct *, char *);
23 #define get_nx_info(i) __get_nx_info(i,__FILE__,__LINE__)
25 static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
26 const char *_file, int _line)
30 nxdprintk("get_nx_info(%p[#%d.%d])\t%s:%d\n",
31 nxi, nxi?nxi->nx_id:0, nxi?atomic_read(&nxi->nx_usecnt):0,
33 atomic_inc(&nxi->nx_usecnt);
38 #define free_nx_info(nxi) \
39 call_rcu(&nxi->nx_rcu, rcu_free_nx_info, nxi);
41 #define put_nx_info(i) __put_nx_info(i,__FILE__,__LINE__)
43 static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
47 nxdprintk("put_nx_info(%p[#%d.%d])\t%s:%d\n",
48 nxi, nxi?nxi->nx_id:0, nxi?atomic_read(&nxi->nx_usecnt):0,
50 if (atomic_dec_and_test(&nxi->nx_usecnt))
55 #define set_nx_info(p,i) __set_nx_info(p,i,__FILE__,__LINE__)
57 static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
58 const char *_file, int _line)
63 nxdprintk("set_nx_info(%p[#%d.%d.%d])\t%s:%d\n",
64 nxi, nxi?nxi->nx_id:0,
65 nxi?atomic_read(&nxi->nx_usecnt):0,
66 nxi?atomic_read(&nxi->nx_refcnt):0,
68 atomic_inc(&nxi->nx_refcnt);
69 *nxp = __get_nx_info(nxi, _file, _line);
72 #define clr_nx_info(p) __clr_nx_info(p,__FILE__,__LINE__)
74 static inline void __clr_nx_info(struct nx_info **nxp,
75 const char *_file, int _line)
77 struct nx_info *nxo = *nxp;
81 nxdprintk("clr_nx_info(%p[#%d.%d.%d])\t%s:%d\n",
82 nxo, nxo?nxo->nx_id:0,
83 nxo?atomic_read(&nxo->nx_usecnt):0,
84 nxo?atomic_read(&nxo->nx_refcnt):0,
88 if (nxo && atomic_dec_and_test(&nxo->nx_refcnt))
90 __put_nx_info(nxo, _file, _line);
94 #define task_get_nx_info(i) __task_get_nx_info(i,__FILE__,__LINE__)
96 static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
97 const char *_file, int _line)
102 nxi = __get_nx_info(p->nx_info, _file, _line);
107 #define nx_verify_info(p,i) \
108 __nx_verify_info((p)->nx_info,i,__FILE__,__LINE__)
110 static __inline__ void __nx_verify_info(
111 struct nx_info *ipa, struct nx_info *ipb,
112 const char *_file, int _line)
116 printk(KERN_ERR "ip bad assumption (%p==%p) at %s:%d\n",
117 ipa, ipb, _file, _line);
121 #define nx_task_nid(t) ((t)->nid)
123 #define nx_current_nid() nx_task_nid(current)
125 #define nx_check(c,m) __nx_check(nx_current_nid(),c,m)
127 #define nx_weak_check(c,m) ((m) ? nx_check(c,m) : 1)
130 #define nxdprintk(x...)
133 #define __nx_flags(v,m,f) (((v) & (m)) ^ (f))
135 #define __nx_task_flags(t,m,f) \
136 (((t) && ((t)->nx_info)) ? \
137 __nx_flags((t)->nx_info->nx_flags,(m),(f)) : 0)
139 #define nx_current_flags() \
140 ((current->nx_info) ? current->nx_info->nx_flags : 0)
142 #define nx_flags(m,f) __nx_flags(nx_current_flags(),(m),(f))
145 #define nx_current_ncaps() \
146 ((current->nx_info) ? current->nx_info->nx_ncaps : 0)
148 #define nx_ncaps(c) (nx_current_ncaps() & (c))
152 #define sock_nx_init(s) do { \
154 (s)->sk_nx_info = NULL; \