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1 | /**************************************************************************/ |
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 | ||
44 | /* hcall numbers */ | |
45 | #define H_VIO_SIGNAL 0x104 | |
46 | #define H_REGISTER_LOGICAL_LAN 0x114 | |
47 | #define H_FREE_LOGICAL_LAN 0x118 | |
48 | #define H_ADD_LOGICAL_LAN_BUFFER 0x11C | |
49 | #define H_SEND_LOGICAL_LAN 0x120 | |
50 | #define H_MULTICAST_CTRL 0x130 | |
51 | #define H_CHANGE_LOGICAL_LAN_MAC 0x14C | |
b6d35182 | 52 | #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4 |
1da177e4 LT |
53 | |
54 | /* hcall macros */ | |
55 | #define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \ | |
56 | plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac) | |
57 | ||
58 | #define h_free_logical_lan(ua) \ | |
59 | plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua) | |
60 | ||
61 | #define h_add_logical_lan_buffer(ua, buf) \ | |
62 | plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf) | |
63 | ||
64 | #define h_send_logical_lan(ua, buf1, buf2, buf3, buf4, buf5, buf6, correlator) \ | |
65 | plpar_hcall_8arg_2ret(H_SEND_LOGICAL_LAN, ua, buf1, buf2, buf3, buf4, buf5, buf6, correlator, &correlator) | |
66 | ||
67 | #define h_multicast_ctrl(ua, cmd, mac) \ | |
68 | plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac) | |
69 | ||
70 | #define h_change_logical_lan_mac(ua, mac) \ | |
71 | plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac) | |
72 | ||
b6d35182 SL |
73 | #define h_free_logical_lan_buffer(ua, bufsize) \ |
74 | plpar_hcall_norets(H_FREE_LOGICAL_LAN_BUFFER, ua, bufsize) | |
75 | ||
76 | #define IbmVethNumBufferPools 5 | |
77 | #define IBMVETH_BUFF_OH 22 /* Overhead: 14 ethernet header + 8 opaque handle */ | |
860f242e SL |
78 | #define IBMVETH_MAX_MTU 68 |
79 | #define IBMVETH_MAX_POOL_COUNT 4096 | |
80 | #define IBMVETH_MAX_BUF_SIZE (1024 * 128) | |
b6d35182 | 81 | |
b6d35182 SL |
82 | static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 }; |
83 | static int pool_count[] = { 256, 768, 256, 256, 256 }; | |
860f242e | 84 | static int pool_active[] = { 1, 1, 0, 0, 0}; |
1da177e4 LT |
85 | |
86 | #define IBM_VETH_INVALID_MAP ((u16)0xffff) | |
87 | ||
88 | struct ibmveth_buff_pool { | |
89 | u32 size; | |
90 | u32 index; | |
91 | u32 buff_size; | |
92 | u32 threshold; | |
93 | atomic_t available; | |
94 | u32 consumer_index; | |
95 | u32 producer_index; | |
96 | u16 *free_map; | |
97 | dma_addr_t *dma_addr; | |
98 | struct sk_buff **skbuff; | |
b6d35182 | 99 | int active; |
860f242e | 100 | struct kobject kobj; |
1da177e4 LT |
101 | }; |
102 | ||
103 | struct ibmveth_rx_q { | |
104 | u64 index; | |
105 | u64 num_slots; | |
106 | u64 toggle; | |
107 | dma_addr_t queue_dma; | |
108 | u32 queue_len; | |
109 | struct ibmveth_rx_q_entry *queue_addr; | |
110 | }; | |
111 | ||
112 | struct ibmveth_adapter { | |
113 | struct vio_dev *vdev; | |
114 | struct net_device *netdev; | |
115 | struct net_device_stats stats; | |
116 | unsigned int mcastFilterSize; | |
117 | unsigned long mac_addr; | |
118 | unsigned long liobn; | |
119 | void * buffer_list_addr; | |
120 | void * filter_list_addr; | |
121 | dma_addr_t buffer_list_dma; | |
122 | dma_addr_t filter_list_dma; | |
123 | struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools]; | |
124 | struct ibmveth_rx_q rx_queue; | |
860f242e | 125 | int pool_config; |
1da177e4 LT |
126 | |
127 | /* adapter specific stats */ | |
128 | u64 replenish_task_cycles; | |
129 | u64 replenish_no_mem; | |
130 | u64 replenish_add_buff_failure; | |
131 | u64 replenish_add_buff_success; | |
132 | u64 rx_invalid_buffer; | |
133 | u64 rx_no_buffer; | |
134 | u64 tx_multidesc_send; | |
135 | u64 tx_linearized; | |
136 | u64 tx_linearize_failed; | |
137 | u64 tx_map_failed; | |
138 | u64 tx_send_failed; | |
60296d9e | 139 | spinlock_t stats_lock; |
1da177e4 LT |
140 | }; |
141 | ||
d7fbeba6 | 142 | struct ibmveth_buf_desc_fields { |
1da177e4 LT |
143 | u32 valid : 1; |
144 | u32 toggle : 1; | |
145 | u32 reserved : 6; | |
146 | u32 length : 24; | |
147 | u32 address; | |
148 | }; | |
149 | ||
150 | union ibmveth_buf_desc { | |
d7fbeba6 | 151 | u64 desc; |
1da177e4 LT |
152 | struct ibmveth_buf_desc_fields fields; |
153 | }; | |
154 | ||
155 | struct ibmveth_rx_q_entry { | |
156 | u16 toggle : 1; | |
157 | u16 valid : 1; | |
158 | u16 reserved : 14; | |
159 | u16 offset; | |
160 | u32 length; | |
161 | u64 correlator; | |
162 | }; | |
163 | ||
164 | #endif /* _IBMVETH_H */ |