blob: f5b25bff15403336de88df991b1b51cf5b8ff95e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/**************************************************************************/
2/* */
3/* IBM eServer i/[Series Virtual Ethernet Device Driver */
4/* Copyright (C) 2003 IBM Corp. */
5/* Dave Larson (larson1@us.ibm.com) */
6/* Santiago Leon (santil@us.ibm.com) */
7/* */
8/* This program is free software; you can redistribute it and/or modify */
9/* it under the terms of the GNU General Public License as published by */
10/* the Free Software Foundation; either version 2 of the License, or */
11/* (at your option) any later version. */
12/* */
13/* This program is distributed in the hope that it will be useful, */
14/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
15/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
16/* GNU General Public License for more details. */
17/* */
18/* You should have received a copy of the GNU General Public License */
19/* along with this program; if not, write to the Free Software */
20/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 */
21/* USA */
22/* */
23/**************************************************************************/
24
25#ifndef _IBMVETH_H
26#define _IBMVETH_H
27
28#define IbmVethMaxSendFrags 6
29
30/* constants for H_MULTICAST_CTRL */
31#define IbmVethMcastReceptionModifyBit 0x80000UL
32#define IbmVethMcastReceptionEnableBit 0x20000UL
33#define IbmVethMcastFilterModifyBit 0x40000UL
34#define IbmVethMcastFilterEnableBit 0x10000UL
35
36#define IbmVethMcastEnableRecv (IbmVethMcastReceptionModifyBit | IbmVethMcastReceptionEnableBit)
37#define IbmVethMcastDisableRecv (IbmVethMcastReceptionModifyBit)
38#define IbmVethMcastEnableFiltering (IbmVethMcastFilterModifyBit | IbmVethMcastFilterEnableBit)
39#define IbmVethMcastDisableFiltering (IbmVethMcastFilterModifyBit)
40#define IbmVethMcastAddFilter 0x1UL
41#define IbmVethMcastRemoveFilter 0x2UL
42#define IbmVethMcastClearFilterTable 0x3UL
43
Linus Torvalds1da177e2005-04-16 15:20:36 -070044/* hcall macros */
45#define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \
46 plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac)
47
48#define h_free_logical_lan(ua) \
49 plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua)
50
51#define h_add_logical_lan_buffer(ua, buf) \
52 plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf)
53
Anton Blanchardb9377ff2006-07-19 08:01:28 +100054static inline long h_send_logical_lan(unsigned long unit_address,
55 unsigned long desc1, unsigned long desc2, unsigned long desc3,
56 unsigned long desc4, unsigned long desc5, unsigned long desc6,
57 unsigned long corellator_in, unsigned long *corellator_out)
58{
59 long rc;
60 unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
61
62 rc = plpar_hcall9(H_SEND_LOGICAL_LAN, retbuf, unit_address, desc1,
63 desc2, desc3, desc4, desc5, desc6, corellator_in);
64
65 *corellator_out = retbuf[0];
66
67 return rc;
68}
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
70#define h_multicast_ctrl(ua, cmd, mac) \
71 plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac)
72
73#define h_change_logical_lan_mac(ua, mac) \
74 plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac)
75
Santiago Leonb6d35182005-10-26 10:47:01 -060076#define h_free_logical_lan_buffer(ua, bufsize) \
77 plpar_hcall_norets(H_FREE_LOGICAL_LAN_BUFFER, ua, bufsize)
78
79#define IbmVethNumBufferPools 5
80#define IBMVETH_BUFF_OH 22 /* Overhead: 14 ethernet header + 8 opaque handle */
Santiago Leon860f2422006-04-25 11:19:59 -050081#define IBMVETH_MAX_MTU 68
82#define IBMVETH_MAX_POOL_COUNT 4096
83#define IBMVETH_MAX_BUF_SIZE (1024 * 128)
Santiago Leonb6d35182005-10-26 10:47:01 -060084
Santiago Leonb6d35182005-10-26 10:47:01 -060085static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 };
86static int pool_count[] = { 256, 768, 256, 256, 256 };
Santiago Leon860f2422006-04-25 11:19:59 -050087static int pool_active[] = { 1, 1, 0, 0, 0};
Linus Torvalds1da177e2005-04-16 15:20:36 -070088
89#define IBM_VETH_INVALID_MAP ((u16)0xffff)
90
91struct ibmveth_buff_pool {
92 u32 size;
93 u32 index;
94 u32 buff_size;
95 u32 threshold;
96 atomic_t available;
97 u32 consumer_index;
98 u32 producer_index;
99 u16 *free_map;
100 dma_addr_t *dma_addr;
101 struct sk_buff **skbuff;
Santiago Leonb6d35182005-10-26 10:47:01 -0600102 int active;
Santiago Leon860f2422006-04-25 11:19:59 -0500103 struct kobject kobj;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104};
105
106struct ibmveth_rx_q {
107 u64 index;
108 u64 num_slots;
109 u64 toggle;
110 dma_addr_t queue_dma;
111 u32 queue_len;
112 struct ibmveth_rx_q_entry *queue_addr;
113};
114
115struct ibmveth_adapter {
116 struct vio_dev *vdev;
117 struct net_device *netdev;
118 struct net_device_stats stats;
119 unsigned int mcastFilterSize;
120 unsigned long mac_addr;
121 unsigned long liobn;
122 void * buffer_list_addr;
123 void * filter_list_addr;
124 dma_addr_t buffer_list_dma;
125 dma_addr_t filter_list_dma;
126 struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools];
127 struct ibmveth_rx_q rx_queue;
Santiago Leon860f2422006-04-25 11:19:59 -0500128 int pool_config;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
130 /* adapter specific stats */
131 u64 replenish_task_cycles;
132 u64 replenish_no_mem;
133 u64 replenish_add_buff_failure;
134 u64 replenish_add_buff_success;
135 u64 rx_invalid_buffer;
136 u64 rx_no_buffer;
137 u64 tx_multidesc_send;
138 u64 tx_linearized;
139 u64 tx_linearize_failed;
140 u64 tx_map_failed;
141 u64 tx_send_failed;
Santiago Leon60296d92005-10-26 10:47:16 -0600142 spinlock_t stats_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143};
144
Jeff Garzikd7fbeba2006-05-24 01:31:14 -0400145struct ibmveth_buf_desc_fields {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 u32 valid : 1;
147 u32 toggle : 1;
148 u32 reserved : 6;
149 u32 length : 24;
150 u32 address;
151};
152
153union ibmveth_buf_desc {
Jeff Garzikd7fbeba2006-05-24 01:31:14 -0400154 u64 desc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 struct ibmveth_buf_desc_fields fields;
156};
157
158struct ibmveth_rx_q_entry {
159 u16 toggle : 1;
160 u16 valid : 1;
161 u16 reserved : 14;
162 u16 offset;
163 u32 length;
164 u64 correlator;
165};
166
167#endif /* _IBMVETH_H */