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232 lines
4.9 KiB
C
232 lines
4.9 KiB
C
/*
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*
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* ===================================
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* HARP | Host ATM Research Platform
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* ===================================
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*
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*
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* This Host ATM Research Platform ("HARP") file (the "Software") is
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* made available by Network Computing Services, Inc. ("NetworkCS")
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* "AS IS". NetworkCS does not provide maintenance, improvements or
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* support of any kind.
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*
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* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
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* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
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* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
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* In no event shall NetworkCS be responsible for any damages, including
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* but not limited to consequential damages, arising from or relating to
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* any use of the Software or related support.
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*
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* Copyright 1994-1998 Network Computing Services, Inc.
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*
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* Copies of this Software may be made, however, the above copyright
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* notice must be reproduced on all copies.
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*
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* @(#) $FreeBSD$
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*
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*/
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/*
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* FORE Systems 200-Series Adapter Support
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* ---------------------------------------
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*
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* Network interface layer support
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*
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/errno.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <net/if.h>
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#include <netatm/port.h>
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#include <netatm/queue.h>
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#include <netatm/atm.h>
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#include <netatm/atm_sys.h>
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#include <netatm/atm_sap.h>
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#include <netatm/atm_cm.h>
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#include <netatm/atm_if.h>
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#include <netatm/atm_ioctl.h>
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#include <netatm/atm_stack.h>
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#include <netatm/atm_pcb.h>
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#include <netatm/atm_var.h>
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#include <pci/pcivar.h>
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#include <dev/hfa/fore.h>
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#include <dev/hfa/fore_aali.h>
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#include <dev/hfa/fore_slave.h>
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#include <dev/hfa/fore_stats.h>
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#include <dev/hfa/fore_var.h>
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#include <dev/hfa/fore_include.h>
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#ifndef lint
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__RCSID("@(#) $FreeBSD$");
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#endif
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/*
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* Handle netatm core service interface ioctl requests
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*
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* Called at splnet.
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*
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* Arguments:
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* code ioctl function (sub)code
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* data data to/from ioctl
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* arg optional code-specific argument
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*
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* Returns:
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* 0 request processed successfully
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* error request failed - reason code
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*/
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int
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fore_atm_ioctl(code, data, arg)
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int code;
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caddr_t data;
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caddr_t arg;
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{
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struct atminfreq *aip = (struct atminfreq *)data;
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struct atm_pif *pip;
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Fore_unit *fup;
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caddr_t buf = aip->air_buf_addr;
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struct air_vinfo_rsp *avr;
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int count, len, buf_len = aip->air_buf_len;
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int err = 0;
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char ifname[2*IFNAMSIZ];
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ATM_DEBUG2("fore_atm_ioctl: code=%d, opcode=%d\n",
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code, aip->air_opcode);
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switch ( aip->air_opcode ) {
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case AIOCS_INF_VST:
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/*
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* Get vendor statistics
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*/
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pip = (struct atm_pif *)arg;
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fup = (Fore_unit *)pip;
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if ( pip == NULL )
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return ( ENXIO );
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snprintf ( ifname, sizeof(ifname),
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"%s%d", pip->pif_name, pip->pif_unit );
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/*
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* Cast response structure onto user's buffer
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*/
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avr = (struct air_vinfo_rsp *)buf;
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/*
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* How large is the response structure?
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*/
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len = sizeof(struct air_vinfo_rsp);
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/*
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* Sanity check - enough room for response structure?
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*/
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if ( buf_len < len )
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return ( ENOSPC );
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/*
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* Copy interface name into response structure
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*/
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if ((err = copyout ( ifname, avr->avsp_intf, IFNAMSIZ)) != 0)
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break;
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/*
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* Advance the buffer address and decrement the size
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*/
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buf += len;
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buf_len -= len;
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/*
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* Get the vendor stats from the hardware
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*/
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count = 0;
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if ( ( err = fore_get_stats ( fup ) ) == 0 )
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{
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/*
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* Stick as much of it as we have room for
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* into the response
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*/
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count = min ( sizeof(Fore_stats), buf_len );
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/*
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* Copy stats into user's buffer. Return value is
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* amount of data copied.
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*/
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if ((err = copyout((caddr_t)fup->fu_stats, buf, count)) != 0)
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break;
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buf += count;
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buf_len -= count;
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if ( count < sizeof(Fore_stats) )
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err = ENOSPC;
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}
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/*
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* Record amount we're returning as vendor info...
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*/
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if ((err = copyout(&count, &avr->avsp_len, sizeof(int))) != 0)
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break;
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/*
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* Update the reply pointers and lengths
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*/
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aip->air_buf_addr = buf;
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aip->air_buf_len = buf_len;
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break;
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default:
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err = ENOSYS; /* Operation not supported */
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break;
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}
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return (err);
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}
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/*
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* Free Fore-specific device resources
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*
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* Frees all dynamically acquired resources for a device unit. Before
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* this function is called, the CP will have been reset and our interrupt
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* vectors removed.
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*
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* Arguments:
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* fup pointer to device unit structure
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*
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* Returns:
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* none
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*
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*/
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void
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fore_interface_free(fup)
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Fore_unit *fup;
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{
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/*
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* Free up all of our allocated memory
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*/
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fore_xmit_free(fup);
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fore_recv_free(fup);
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fore_buf_free(fup);
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fore_cmd_free(fup);
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/*
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* Clear device initialized
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*/
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if (fup->fu_flags & CUF_INITED) {
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fup->fu_flags &= ~CUF_INITED;
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}
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if (fup->fu_flags & FUF_STATCMD) {
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DMA_FREE_ADDR(fup->fu_stats, fup->fu_statsd,
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sizeof(Fore_cp_stats), 0);
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fup->fu_flags &= ~FUF_STATCMD;
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}
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return;
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}
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