1 /*- 2 * Copyright (c) 2001-2003 3 * Fraunhofer Institute for Open Communication Systems (FhG Fokus). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * Author: Hartmut Brandt <harti@freebsd.org> 28 * 29 * $FreeBSD$ 30 * 31 * Default configuration 32 */ 33 34 /* configuration */ 35 #define HE_CONFIG_VPI_BITS 2 36 #define HE_CONFIG_VCI_BITS 10 37 38 /* interrupt group 0 only */ 39 /* the size must be 1 <= size <= 1023 */ 40 #define HE_CONFIG_IRQ0_SIZE 256 41 #define HE_CONFIG_IRQ0_THRESH 224 /* retrigger interrupt */ 42 #define HE_CONFIG_IRQ0_LINE HE_REGM_IRQ_A /* routing */ 43 44 /* don't change these */ 45 #define HE_CONFIG_TXMEM (128 * 1024) /* words */ 46 #define HE_CONFIG_RXMEM (64 * 1024) /* words */ 47 #define HE_CONFIG_LCMEM (512 * 1024) /* words */ 48 49 /* group 0 - all AALs except AAL.raw */ 50 /* receive group 0 buffer pools (mbufs and mbufs+cluster) */ 51 /* the size must be a power of 2: 4 <= size <= 8192 */ 52 #define HE_CONFIG_RBPS0_SIZE 2048 /* entries per queue */ 53 #define HE_CONFIG_RBPS0_THRESH 256 /* interrupt threshold */ 54 #define HE_CONFIG_RBPL0_SIZE 512 /* entries per queue */ 55 #define HE_CONFIG_RBPL0_THRESH 32 /* interrupt threshold */ 56 57 /* receive group 0 buffer return queue */ 58 /* the size must be a power of 2: 1 <= size <= 16384 */ 59 #define HE_CONFIG_RBRQ0_SIZE 512 /* entries in queue */ 60 #define HE_CONFIG_RBRQ0_THRESH 256 /* interrupt threshold */ 61 #define HE_CONFIG_RBRQ0_TOUT 10 /* interrupt timeout */ 62 #define HE_CONFIG_RBRQ0_PCNT 5 /* packet count threshold */ 63 64 /* group 1 - raw cells */ 65 /* receive group 1 small buffer pool */ 66 /* the size must be a power of 2: 4 <= size <= 8192 */ 67 #define HE_CONFIG_RBPS1_SIZE 1024 /* entries in queue */ 68 #define HE_CONFIG_RBPS1_THRESH 512 /* interrupt threshold */ 69 70 /* receive group 1 buffer return queue */ 71 /* the size must be a power of 2: 1 <= size <= 16384 */ 72 #define HE_CONFIG_RBRQ1_SIZE 512 /* entries in queue */ 73 #define HE_CONFIG_RBRQ1_THRESH 256 /* interrupt threshold */ 74 #define HE_CONFIG_RBRQ1_TOUT 100 /* interrupt timeout */ 75 #define HE_CONFIG_RBRQ1_PCNT 25 /* packet count threshold */ 76 77 /* there is only one TPD queue */ 78 /* the size must be a power of 2: 1 <= size <= 4096 */ 79 #define HE_CONFIG_TPDRQ_SIZE 2048 /* entries in queue */ 80 81 /* transmit group 0 */ 82 /* the size must be a power of 2: 1 <= size <= 16384 */ 83 #define HE_CONFIG_TBRQ_SIZE 512 /* entries in queue */ 84 #define HE_CONFIG_TBRQ_THRESH 400 /* interrupt threshold */ 85 86 /* Maximum number of TPDs to allocate to a single VCC. This 87 * number should depend on the cell rate and the maximum allowed cell delay */ 88 #define HE_CONFIG_TPD_MAXCC 2048 89 90 /* Maximum number of external mbuf pages */ 91 #define HE_CONFIG_MAX_MBUF_PAGES 256 92 93 /* Maximum number of TPDs used for one packet */ 94 #define HE_CONFIG_MAX_TPD_PER_PACKET \ 95 ((((HE_MAX_PDU + MCLBYTES - 1) / MCLBYTES + 2) / 3) + 2) 96 97 /* Number of TPDs to reserve for close operations */ 98 #define HE_CONFIG_TPD_RESERVE 32 99 100 /* Number of TPDs per VCC when to re-enable flow control */ 101 #define HE_CONFIG_TPD_FLOW_ENB 80 102 103 /* MCR for flushing CBR and ABR connections at close */ 104 #define HE_CONFIG_FLUSH_RATE 200000 105