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8865c418ca
We lack compat ioctl support through most of the ATM code. This patch
deals with most of it, and I can now at least use BR2684 and PPPoATM
with 32-bit userspace.
I haven't added a .compat_ioctl method to struct atm_ioctl, because
AFAICT none of the current users need any conversion -- so we can just
call the ->ioctl() method in every case. I looked at br2684, clip, lec,
mpc, pppoatm and atmtcp.
In svc_compat_ioctl() the only mangling which is needed is to change
COMPAT_ATM_ADDPARTY to ATM_ADDPARTY. Although it's defined as
_IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
it doesn't actually _take_ a struct atm_iobuf as an argument -- it takes
a struct sockaddr_atmsvc, which _is_ the same between 32-bit and 64-bit
code, so doesn't need conversion.
Almost all of vcc_ioctl() would have been identical, so I converted that
into a core do_vcc_ioctl() function with an 'int compat' argument.
I've done the same with atm_dev_ioctl(), where there _are_ a few
differences, but still it's relatively contained and there would
otherwise have been a lot of duplication.
I haven't done any of the actual device-specific ioctls, although I've
added a compat_ioctl method to struct atmdev_ops.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
56 lines
1.5 KiB
C
56 lines
1.5 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, 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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