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gerrit-public.fairphone.software / kernel / msm / 888ba6c62bc61a995d283977eb3a6cbafd6f4ac6 / . / drivers / net / ibmveth.h
blob: 51a470da9686040593527cc93413e2a987c86119 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
52
53/* hcall macros */
54#define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \
55 plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac)
56
57#define h_free_logical_lan(ua) \
58 plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua)
59
60#define h_add_logical_lan_buffer(ua, buf) \
61 plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf)
62
63#define h_send_logical_lan(ua, buf1, buf2, buf3, buf4, buf5, buf6, correlator) \
64 plpar_hcall_8arg_2ret(H_SEND_LOGICAL_LAN, ua, buf1, buf2, buf3, buf4, buf5, buf6, correlator, &correlator)
65
66#define h_multicast_ctrl(ua, cmd, mac) \
67 plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac)
68
69#define h_change_logical_lan_mac(ua, mac) \
70 plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac)
71
72#define IbmVethNumBufferPools 3
73#define IbmVethPool0DftSize (1024 * 2)
74#define IbmVethPool1DftSize (1024 * 4)
75#define IbmVethPool2DftSize (1024 * 10)
76#define IbmVethPool0DftCnt 256
77#define IbmVethPool1DftCnt 256
78#define IbmVethPool2DftCnt 256
79
80#define IBM_VETH_INVALID_MAP ((u16)0xffff)
81
82struct ibmveth_buff_pool {
83 u32 size;
84 u32 index;
85 u32 buff_size;
86 u32 threshold;
87 atomic_t available;
88 u32 consumer_index;
89 u32 producer_index;
90 u16 *free_map;
91 dma_addr_t *dma_addr;
92 struct sk_buff **skbuff;
93};
94
95struct ibmveth_rx_q {
96 u64 index;
97 u64 num_slots;
98 u64 toggle;
99 dma_addr_t queue_dma;
100 u32 queue_len;
101 struct ibmveth_rx_q_entry *queue_addr;
102};
103
104struct ibmveth_adapter {
105 struct vio_dev *vdev;
106 struct net_device *netdev;
107 struct net_device_stats stats;
108 unsigned int mcastFilterSize;
109 unsigned long mac_addr;
110 unsigned long liobn;
111 void * buffer_list_addr;
112 void * filter_list_addr;
113 dma_addr_t buffer_list_dma;
114 dma_addr_t filter_list_dma;
115 struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools];
116 struct ibmveth_rx_q rx_queue;
117 atomic_t not_replenishing;
118
119 /* helper tasks */
120 struct work_struct replenish_task;
121
122 /* adapter specific stats */
123 u64 replenish_task_cycles;
124 u64 replenish_no_mem;
125 u64 replenish_add_buff_failure;
126 u64 replenish_add_buff_success;
127 u64 rx_invalid_buffer;
128 u64 rx_no_buffer;
129 u64 tx_multidesc_send;
130 u64 tx_linearized;
131 u64 tx_linearize_failed;
132 u64 tx_map_failed;
133 u64 tx_send_failed;
134};
135
136struct ibmveth_buf_desc_fields {
137 u32 valid : 1;
138 u32 toggle : 1;
139 u32 reserved : 6;
140 u32 length : 24;
141 u32 address;
142};
143
144union ibmveth_buf_desc {
145 u64 desc;
146 struct ibmveth_buf_desc_fields fields;
147};
148
149struct ibmveth_rx_q_entry {
150 u16 toggle : 1;
151 u16 valid : 1;
152 u16 reserved : 14;
153 u16 offset;
154 u32 length;
155 u64 correlator;
156};
157
158#endif /* _IBMVETH_H */