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25#ifndef _IBMVETH_H
26#define _IBMVETH_H
27
28
29#define IbmVethMcastReceptionModifyBit 0x80000UL
30#define IbmVethMcastReceptionEnableBit 0x20000UL
31#define IbmVethMcastFilterModifyBit 0x40000UL
32#define IbmVethMcastFilterEnableBit 0x10000UL
33
34#define IbmVethMcastEnableRecv (IbmVethMcastReceptionModifyBit | IbmVethMcastReceptionEnableBit)
35#define IbmVethMcastDisableRecv (IbmVethMcastReceptionModifyBit)
36#define IbmVethMcastEnableFiltering (IbmVethMcastFilterModifyBit | IbmVethMcastFilterEnableBit)
37#define IbmVethMcastDisableFiltering (IbmVethMcastFilterModifyBit)
38#define IbmVethMcastAddFilter 0x1UL
39#define IbmVethMcastRemoveFilter 0x2UL
40#define IbmVethMcastClearFilterTable 0x3UL
41
42#define IBMVETH_ILLAN_PADDED_PKT_CSUM 0x0000000000002000UL
43#define IBMVETH_ILLAN_TRUNK_PRI_MASK 0x0000000000000F00UL
44#define IBMVETH_ILLAN_IPV6_TCP_CSUM 0x0000000000000004UL
45#define IBMVETH_ILLAN_IPV4_TCP_CSUM 0x0000000000000002UL
46#define IBMVETH_ILLAN_ACTIVE_TRUNK 0x0000000000000001UL
47
48
49#define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \
50 plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac)
51
52#define h_free_logical_lan(ua) \
53 plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua)
54
55#define h_add_logical_lan_buffer(ua, buf) \
56 plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf)
57
58static inline long h_send_logical_lan(unsigned long unit_address,
59 unsigned long desc1, unsigned long desc2, unsigned long desc3,
60 unsigned long desc4, unsigned long desc5, unsigned long desc6,
61 unsigned long corellator_in, unsigned long *corellator_out)
62{
63 long rc;
64 unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
65
66 rc = plpar_hcall9(H_SEND_LOGICAL_LAN, retbuf, unit_address, desc1,
67 desc2, desc3, desc4, desc5, desc6, corellator_in);
68
69 *corellator_out = retbuf[0];
70
71 return rc;
72}
73
74static inline long h_illan_attributes(unsigned long unit_address,
75 unsigned long reset_mask, unsigned long set_mask,
76 unsigned long *ret_attributes)
77{
78 long rc;
79 unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
80
81 rc = plpar_hcall(H_ILLAN_ATTRIBUTES, retbuf, unit_address,
82 reset_mask, set_mask);
83
84 *ret_attributes = retbuf[0];
85
86 return rc;
87}
88
89#define h_multicast_ctrl(ua, cmd, mac) \
90 plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac)
91
92#define h_change_logical_lan_mac(ua, mac) \
93 plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac)
94
95#define IbmVethNumBufferPools 5
96#define IBMVETH_IO_ENTITLEMENT_DEFAULT 4243456
97#define IBMVETH_BUFF_OH 22
98#define IBMVETH_MAX_MTU 68
99#define IBMVETH_MAX_POOL_COUNT 4096
100#define IBMVETH_BUFF_LIST_SIZE 4096
101#define IBMVETH_FILT_LIST_SIZE 4096
102#define IBMVETH_MAX_BUF_SIZE (1024 * 128)
103
104static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 };
105static int pool_count[] = { 256, 768, 256, 256, 256 };
106static int pool_active[] = { 1, 1, 0, 0, 0};
107
108#define IBM_VETH_INVALID_MAP ((u16)0xffff)
109
110struct ibmveth_buff_pool {
111 u32 size;
112 u32 index;
113 u32 buff_size;
114 u32 threshold;
115 atomic_t available;
116 u32 consumer_index;
117 u32 producer_index;
118 u16 *free_map;
119 dma_addr_t *dma_addr;
120 struct sk_buff **skbuff;
121 int active;
122 struct kobject kobj;
123};
124
125struct ibmveth_rx_q {
126 u64 index;
127 u64 num_slots;
128 u64 toggle;
129 dma_addr_t queue_dma;
130 u32 queue_len;
131 struct ibmveth_rx_q_entry *queue_addr;
132};
133
134struct ibmveth_adapter {
135 struct vio_dev *vdev;
136 struct net_device *netdev;
137 struct napi_struct napi;
138 struct net_device_stats stats;
139 unsigned int mcastFilterSize;
140 unsigned long mac_addr;
141 void * buffer_list_addr;
142 void * filter_list_addr;
143 dma_addr_t buffer_list_dma;
144 dma_addr_t filter_list_dma;
145 struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools];
146 struct ibmveth_rx_q rx_queue;
147 int pool_config;
148 int rx_csum;
149 void *bounce_buffer;
150 dma_addr_t bounce_buffer_dma;
151
152
153 u64 replenish_task_cycles;
154 u64 replenish_no_mem;
155 u64 replenish_add_buff_failure;
156 u64 replenish_add_buff_success;
157 u64 rx_invalid_buffer;
158 u64 rx_no_buffer;
159 u64 tx_map_failed;
160 u64 tx_send_failed;
161 spinlock_t stats_lock;
162};
163
164struct ibmveth_buf_desc_fields {
165 u32 flags_len;
166#define IBMVETH_BUF_VALID 0x80000000
167#define IBMVETH_BUF_TOGGLE 0x40000000
168#define IBMVETH_BUF_NO_CSUM 0x02000000
169#define IBMVETH_BUF_CSUM_GOOD 0x01000000
170#define IBMVETH_BUF_LEN_MASK 0x00FFFFFF
171 u32 address;
172};
173
174union ibmveth_buf_desc {
175 u64 desc;
176 struct ibmveth_buf_desc_fields fields;
177};
178
179struct ibmveth_rx_q_entry {
180 u32 flags_off;
181#define IBMVETH_RXQ_TOGGLE 0x80000000
182#define IBMVETH_RXQ_TOGGLE_SHIFT 31
183#define IBMVETH_RXQ_VALID 0x40000000
184#define IBMVETH_RXQ_NO_CSUM 0x02000000
185#define IBMVETH_RXQ_CSUM_GOOD 0x01000000
186#define IBMVETH_RXQ_OFF_MASK 0x0000FFFF
187
188 u32 length;
189 u64 correlator;
190};
191
192#endif
193
