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9d348af4 SL |
1 | /* |
2 | * IBM Power Virtual Ethernet Device Driver | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | * | |
18 | * Copyright (C) IBM Corporation, 2003, 2010 | |
19 | * | |
20 | * Authors: Dave Larson <larson1@us.ibm.com> | |
21 | * Santiago Leon <santil@linux.vnet.ibm.com> | |
22 | * Brian King <brking@linux.vnet.ibm.com> | |
23 | * Robert Jennings <rcj@linux.vnet.ibm.com> | |
24 | * Anton Blanchard <anton@au.ibm.com> | |
25 | */ | |
1da177e4 LT |
26 | |
27 | #ifndef _IBMVETH_H | |
28 | #define _IBMVETH_H | |
29 | ||
1da177e4 LT |
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 | ||
ff5bfc35 SR |
44 | #define IBMVETH_ILLAN_PADDED_PKT_CSUM 0x0000000000002000UL |
45 | #define IBMVETH_ILLAN_TRUNK_PRI_MASK 0x0000000000000F00UL | |
46 | #define IBMVETH_ILLAN_IPV6_TCP_CSUM 0x0000000000000004UL | |
47 | #define IBMVETH_ILLAN_IPV4_TCP_CSUM 0x0000000000000002UL | |
48 | #define IBMVETH_ILLAN_ACTIVE_TRUNK 0x0000000000000001UL | |
79ef4a4d | 49 | |
1da177e4 LT |
50 | /* hcall macros */ |
51 | #define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \ | |
52 | plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac) | |
53 | ||
54 | #define h_free_logical_lan(ua) \ | |
55 | plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua) | |
56 | ||
57 | #define h_add_logical_lan_buffer(ua, buf) \ | |
58 | plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf) | |
59 | ||
b9377ffc AB |
60 | static inline long h_send_logical_lan(unsigned long unit_address, |
61 | unsigned long desc1, unsigned long desc2, unsigned long desc3, | |
62 | unsigned long desc4, unsigned long desc5, unsigned long desc6, | |
63 | unsigned long corellator_in, unsigned long *corellator_out) | |
64 | { | |
65 | long rc; | |
66 | unsigned long retbuf[PLPAR_HCALL9_BUFSIZE]; | |
67 | ||
68 | rc = plpar_hcall9(H_SEND_LOGICAL_LAN, retbuf, unit_address, desc1, | |
69 | desc2, desc3, desc4, desc5, desc6, corellator_in); | |
70 | ||
71 | *corellator_out = retbuf[0]; | |
72 | ||
73 | return rc; | |
74 | } | |
1da177e4 | 75 | |
f4ff2872 BK |
76 | static inline long h_illan_attributes(unsigned long unit_address, |
77 | unsigned long reset_mask, unsigned long set_mask, | |
78 | unsigned long *ret_attributes) | |
79 | { | |
80 | long rc; | |
81 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; | |
82 | ||
83 | rc = plpar_hcall(H_ILLAN_ATTRIBUTES, retbuf, unit_address, | |
84 | reset_mask, set_mask); | |
85 | ||
86 | *ret_attributes = retbuf[0]; | |
87 | ||
88 | return rc; | |
89 | } | |
90 | ||
1da177e4 LT |
91 | #define h_multicast_ctrl(ua, cmd, mac) \ |
92 | plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac) | |
93 | ||
94 | #define h_change_logical_lan_mac(ua, mac) \ | |
95 | plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac) | |
96 | ||
517e80e6 | 97 | #define IBMVETH_NUM_BUFF_POOLS 5 |
1096d63d | 98 | #define IBMVETH_IO_ENTITLEMENT_DEFAULT 4243456 /* MTU of 1500 needs 4.2Mb */ |
b6d35182 | 99 | #define IBMVETH_BUFF_OH 22 /* Overhead: 14 ethernet header + 8 opaque handle */ |
517e80e6 | 100 | #define IBMVETH_MIN_MTU 68 |
860f242e | 101 | #define IBMVETH_MAX_POOL_COUNT 4096 |
1096d63d RJ |
102 | #define IBMVETH_BUFF_LIST_SIZE 4096 |
103 | #define IBMVETH_FILT_LIST_SIZE 4096 | |
860f242e | 104 | #define IBMVETH_MAX_BUF_SIZE (1024 * 128) |
b6d35182 | 105 | |
b6d35182 | 106 | static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 }; |
c033a6d1 | 107 | static int pool_count[] = { 256, 512, 256, 256, 256 }; |
860f242e | 108 | static int pool_active[] = { 1, 1, 0, 0, 0}; |
1da177e4 LT |
109 | |
110 | #define IBM_VETH_INVALID_MAP ((u16)0xffff) | |
111 | ||
112 | struct ibmveth_buff_pool { | |
113 | u32 size; | |
114 | u32 index; | |
115 | u32 buff_size; | |
116 | u32 threshold; | |
117 | atomic_t available; | |
118 | u32 consumer_index; | |
119 | u32 producer_index; | |
120 | u16 *free_map; | |
121 | dma_addr_t *dma_addr; | |
122 | struct sk_buff **skbuff; | |
b6d35182 | 123 | int active; |
860f242e | 124 | struct kobject kobj; |
1da177e4 LT |
125 | }; |
126 | ||
127 | struct ibmveth_rx_q { | |
128 | u64 index; | |
129 | u64 num_slots; | |
130 | u64 toggle; | |
131 | dma_addr_t queue_dma; | |
132 | u32 queue_len; | |
133 | struct ibmveth_rx_q_entry *queue_addr; | |
134 | }; | |
135 | ||
136 | struct ibmveth_adapter { | |
137 | struct vio_dev *vdev; | |
138 | struct net_device *netdev; | |
bea3348e | 139 | struct napi_struct napi; |
1da177e4 LT |
140 | struct net_device_stats stats; |
141 | unsigned int mcastFilterSize; | |
142 | unsigned long mac_addr; | |
1da177e4 LT |
143 | void * buffer_list_addr; |
144 | void * filter_list_addr; | |
145 | dma_addr_t buffer_list_dma; | |
146 | dma_addr_t filter_list_dma; | |
517e80e6 | 147 | struct ibmveth_buff_pool rx_buff_pool[IBMVETH_NUM_BUFF_POOLS]; |
1da177e4 | 148 | struct ibmveth_rx_q rx_queue; |
860f242e | 149 | int pool_config; |
5fc7e01c | 150 | int rx_csum; |
1096d63d RJ |
151 | void *bounce_buffer; |
152 | dma_addr_t bounce_buffer_dma; | |
1da177e4 | 153 | |
ab78df75 SL |
154 | u64 fw_ipv6_csum_support; |
155 | u64 fw_ipv4_csum_support; | |
1da177e4 LT |
156 | /* adapter specific stats */ |
157 | u64 replenish_task_cycles; | |
158 | u64 replenish_no_mem; | |
159 | u64 replenish_add_buff_failure; | |
160 | u64 replenish_add_buff_success; | |
161 | u64 rx_invalid_buffer; | |
162 | u64 rx_no_buffer; | |
1da177e4 LT |
163 | u64 tx_map_failed; |
164 | u64 tx_send_failed; | |
165 | }; | |
166 | ||
d7fbeba6 | 167 | struct ibmveth_buf_desc_fields { |
79ef4a4d BK |
168 | u32 flags_len; |
169 | #define IBMVETH_BUF_VALID 0x80000000 | |
170 | #define IBMVETH_BUF_TOGGLE 0x40000000 | |
171 | #define IBMVETH_BUF_NO_CSUM 0x02000000 | |
172 | #define IBMVETH_BUF_CSUM_GOOD 0x01000000 | |
173 | #define IBMVETH_BUF_LEN_MASK 0x00FFFFFF | |
174 | u32 address; | |
1da177e4 LT |
175 | }; |
176 | ||
177 | union ibmveth_buf_desc { | |
d7fbeba6 | 178 | u64 desc; |
1da177e4 LT |
179 | struct ibmveth_buf_desc_fields fields; |
180 | }; | |
181 | ||
182 | struct ibmveth_rx_q_entry { | |
79ef4a4d BK |
183 | u32 flags_off; |
184 | #define IBMVETH_RXQ_TOGGLE 0x80000000 | |
185 | #define IBMVETH_RXQ_TOGGLE_SHIFT 31 | |
186 | #define IBMVETH_RXQ_VALID 0x40000000 | |
187 | #define IBMVETH_RXQ_NO_CSUM 0x02000000 | |
188 | #define IBMVETH_RXQ_CSUM_GOOD 0x01000000 | |
189 | #define IBMVETH_RXQ_OFF_MASK 0x0000FFFF | |
190 | ||
191 | u32 length; | |
192 | u64 correlator; | |
1da177e4 LT |
193 | }; |
194 | ||
195 | #endif /* _IBMVETH_H */ |