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1da177e4 LT |
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 | ||
1da177e4 LT |
44 | /* 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 | ||
b9377ffc AB |
54 | static 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 | } | |
1da177e4 LT |
69 | |
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 | ||
b6d35182 SL |
76 | #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 */ | |
860f242e SL |
81 | #define IBMVETH_MAX_MTU 68 |
82 | #define IBMVETH_MAX_POOL_COUNT 4096 | |
83 | #define IBMVETH_MAX_BUF_SIZE (1024 * 128) | |
b6d35182 | 84 | |
b6d35182 SL |
85 | static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 }; |
86 | static int pool_count[] = { 256, 768, 256, 256, 256 }; | |
860f242e | 87 | static int pool_active[] = { 1, 1, 0, 0, 0}; |
1da177e4 LT |
88 | |
89 | #define IBM_VETH_INVALID_MAP ((u16)0xffff) | |
90 | ||
91 | struct 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; | |
b6d35182 | 102 | int active; |
860f242e | 103 | struct kobject kobj; |
1da177e4 LT |
104 | }; |
105 | ||
106 | struct 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 | ||
115 | struct 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; | |
1da177e4 LT |
121 | void * buffer_list_addr; |
122 | void * filter_list_addr; | |
123 | dma_addr_t buffer_list_dma; | |
124 | dma_addr_t filter_list_dma; | |
125 | struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools]; | |
126 | struct ibmveth_rx_q rx_queue; | |
860f242e | 127 | int pool_config; |
1da177e4 LT |
128 | |
129 | /* adapter specific stats */ | |
130 | u64 replenish_task_cycles; | |
131 | u64 replenish_no_mem; | |
132 | u64 replenish_add_buff_failure; | |
133 | u64 replenish_add_buff_success; | |
134 | u64 rx_invalid_buffer; | |
135 | u64 rx_no_buffer; | |
136 | u64 tx_multidesc_send; | |
137 | u64 tx_linearized; | |
138 | u64 tx_linearize_failed; | |
139 | u64 tx_map_failed; | |
140 | u64 tx_send_failed; | |
60296d9e | 141 | spinlock_t stats_lock; |
1da177e4 LT |
142 | }; |
143 | ||
d7fbeba6 | 144 | struct ibmveth_buf_desc_fields { |
1da177e4 LT |
145 | u32 valid : 1; |
146 | u32 toggle : 1; | |
147 | u32 reserved : 6; | |
148 | u32 length : 24; | |
149 | u32 address; | |
150 | }; | |
151 | ||
152 | union ibmveth_buf_desc { | |
d7fbeba6 | 153 | u64 desc; |
1da177e4 LT |
154 | struct ibmveth_buf_desc_fields fields; |
155 | }; | |
156 | ||
157 | struct ibmveth_rx_q_entry { | |
158 | u16 toggle : 1; | |
159 | u16 valid : 1; | |
160 | u16 reserved : 14; | |
161 | u16 offset; | |
162 | u32 length; | |
163 | u64 correlator; | |
164 | }; | |
165 | ||
166 | #endif /* _IBMVETH_H */ |