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b7058842c9
This provides safety against negative optlen at the type level instead of depending upon (sometimes non-trivial) checks against this sprinkled all over the the place, in each and every implementation. Based upon work done by Arjan van de Ven and feedback from Linus Torvalds. Signed-off-by: David S. Miller <davem@davemloft.net>
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* net/atm/common.h - ATM sockets (common part for PVC and SVC) */
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/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
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#ifndef NET_ATM_COMMON_H
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#define NET_ATM_COMMON_H
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#include <linux/net.h>
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#include <linux/poll.h> /* for poll_table */
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int vcc_create(struct net *net, struct socket *sock, int protocol, int family);
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int vcc_release(struct socket *sock);
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int vcc_connect(struct socket *sock, int itf, short vpi, int vci);
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int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
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size_t size, int flags);
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int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
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size_t total_len);
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unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait);
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int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
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int vcc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
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int vcc_setsockopt(struct socket *sock, int level, int optname,
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char __user *optval, unsigned int optlen);
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int vcc_getsockopt(struct socket *sock, int level, int optname,
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char __user *optval, int __user *optlen);
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int atmpvc_init(void);
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void atmpvc_exit(void);
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int atmsvc_init(void);
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void atmsvc_exit(void);
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int atm_sysfs_init(void);
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void atm_sysfs_exit(void);
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#ifdef CONFIG_PROC_FS
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int atm_proc_init(void);
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void atm_proc_exit(void);
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#else
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static inline int atm_proc_init(void)
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{
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return 0;
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}
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static inline void atm_proc_exit(void)
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{
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/* nothing */
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}
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#endif /* CONFIG_PROC_FS */
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/* SVC */
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int svc_change_qos(struct atm_vcc *vcc,struct atm_qos *qos);
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void atm_dev_release_vccs(struct atm_dev *dev);
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#endif
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