2 * Copyright (c) 2001-2003
3 * Fraunhofer Institute for Open Communication Systems (FhG Fokus).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
27 * Author: Hartmut Brandt <harti@freebsd.org>
31 * Default configuration
35 #define HE_CONFIG_VPI_BITS 2
36 #define HE_CONFIG_VCI_BITS 10
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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
90 /* Maximum number of external mbuf pages */
91 #define HE_CONFIG_MAX_MBUF_PAGES 256
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)
97 /* Number of TPDs to reserve for close operations */
98 #define HE_CONFIG_TPD_RESERVE 32
100 /* Number of TPDs per VCC when to re-enable flow control */
101 #define HE_CONFIG_TPD_FLOW_ENB 80
103 /* MCR for flushing CBR and ABR connections at close */
104 #define HE_CONFIG_FLUSH_RATE 200000