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39 lines
1.0 KiB
39 lines
1.0 KiB
20 years ago
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/*
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* ioctl's for the Digi Intl. RightSwitch
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*
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* These network driver ioctl's are a bit obtuse compared to the usual
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* ioctl's for a "normal" device driver. Hey, I didn't invent it.
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*
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* Typical use:
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*
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* struct ifreq ifr;
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* DGRS_IOCTL ioc;
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* int x;
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*
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* strcpy(ifr.ifr_name, "eth1");
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* ifr.ifr_data = (caddr_t) &ioc;
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* ioc.cmd = DGRS_GETMEM;
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* ioc.len = sizeof(x);
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* ioc.data = (caddr_t) &x;
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* rc = ioctl(fd, DGRSIOCTL, &ifr);
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* printf("rc=%d mem=%x\n", rc, x);
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*
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*/
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#include <linux/sockios.h>
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#define DGRSIOCTL SIOCDEVPRIVATE
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typedef struct dgrs_ioctl {
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unsigned short cmd; /* Command to run */
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unsigned short len; /* Length of the data buffer */
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unsigned char __user *data; /* Pointer to the data buffer */
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unsigned short port; /* port number for command, if needed */
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unsigned short filter; /* filter number for command, if needed */
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} DGRS_IOCTL;
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/*
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* Commands for the driver
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*/
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#define DGRS_GETMEM 0x01 /* Get the dual port memory address */
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#define DGRS_SETFILTER 0x02 /* Set a filter */
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