diff options
Diffstat (limited to 'sys/dev/hea/eni_init.c')
| -rw-r--r-- | sys/dev/hea/eni_init.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/sys/dev/hea/eni_init.c b/sys/dev/hea/eni_init.c deleted file mode 100644 index 4672c20..0000000 --- a/sys/dev/hea/eni_init.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * - * =================================== - * HARP | Host ATM Research Platform - * =================================== - * - * - * This Host ATM Research Platform ("HARP") file (the "Software") is - * made available by Network Computing Services, Inc. ("NetworkCS") - * "AS IS". NetworkCS does not provide maintenance, improvements or - * support of any kind. - * - * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED, - * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE - * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE. - * In no event shall NetworkCS be responsible for any damages, including - * but not limited to consequential damages, arising from or relating to - * any use of the Software or related support. - * - * Copyright 1994-1998 Network Computing Services, Inc. - * - * Copies of this Software may be made, however, the above copyright - * notice must be reproduced on all copies. - * - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/* - * Efficient ENI Adapter Support - * ----------------------------- - * - * Driver initialization support - * - */ - -#include <sys/param.h> -#include <sys/socket.h> -#include <net/if.h> -#include <netatm/port.h> -#include <netatm/queue.h> -#include <netatm/atm.h> -#include <netatm/atm_sys.h> -#include <netatm/atm_cm.h> -#include <netatm/atm_if.h> - -#include <dev/hea/eni_stats.h> -#include <dev/hea/eni.h> -#include <dev/hea/eni_var.h> - -#ifndef lint -__RCSID("@(#) $FreeBSD$"); -#endif - -/* - * Initialize adapter for PDU processing - * - * Enable interrupts, set master control, initialize TX buffer, - * set initial pointers, etc. - * - * Arguments: - * eup pointer to device unit structure - * - * Returns: - * 0 successful - * error error condition - */ -int -eni_init ( eup ) - Eni_unit *eup; -{ - u_long words, order; - - /* - * Allocate one large TX buffer. Currently we use only one - * channel with full cell rate which all VCs will use. - * This will (probably) have to change (alot) when we - * implement QoS. - */ - /* - * Server cards, which have more then 512KB of RAM, will - * allocate a 128KB TX buffer, while client cards, with - * 512KB or less will allocate a 32KB TX buffer. - */ - words = ( eup->eu_ramsize > MAX_CLIENT_RAM * ENI_BUF_PGSZ ? - TX_LARGE_BSIZE : TX_SMALL_BSIZE ) * ENI_BUF_PGSZ; - if ( ( eup->eu_txbuf = eni_allocate_buffer ( eup, &words ) ) == - (caddr_t)NULL ) { - return ENOMEM; - } - eup->eu_txsize = words >> 2; /* Bytes to words */ - words >>= ENI_LOC_PREDIV; /* Predivide by 256 words */ - for ( order = -1; words; order++ ) - words >>= 1; - eup->eu_midway[MIDWAY_TXPLACE] = - (order << TXSIZE_SHIFT) | ((intptr_t)eup->eu_txbuf >> ENI_LOC_PREDIV); - eup->eu_txpos = eup->eu_midway[MIDWAY_DESCR] & 0x7FFF; - /* - * Set first word of unack'ed data to start - */ - eup->eu_txfirst = eup->eu_txpos; - - /* - * Set initial values of local DMA pointer used to prevent wraps - */ - eup->eu_txdmawr = 0; - eup->eu_rxdmawr = 0; - - /* - * Initialize queue's for receive/transmit pdus - */ - eup->eu_txqueue.ifq_maxlen = ENI_IFQ_MAXLEN; - eup->eu_rxqueue.ifq_maxlen = ENI_IFQ_MAXLEN; - - /* - * Acknowledge any interrupts - */ - (void) eup->eu_midway[MIDWAY_ISA]; - - /* - * "Zero" Sonet error counters - */ - eni_zero_stats ( eup ); - - /* - * Set master control register - * - * IntSel1 | LOCK_MODE | DMA_ENABLE | TX_ENABLE | RX_ENABLE - * - */ - eup->eu_midway[MIDWAY_MASTER] = 1 << ENI_ISEL_SHIFT | - ENI_M_DMAENABLE | ENI_M_TXENABLE | ENI_M_RXENABLE; - - /* - * Enable interrupts - */ - eup->eu_midway[MIDWAY_IE] = ENI_INT_SERVICE | ENI_INT_RX_DMA | - ENI_INT_TX_DMA | ENI_INT_DMA_ERR | ENI_INT_DMA_LERR | - ENI_INT_IDEN | ENI_INT_DMA_OVFL; - - /* - * Last thing to do is to indicate that we've finished initializing - * this unit. - */ - eup->eu_flags |= CUF_INITED; - - return 0; -} - |
