1 /**************************************************************************/
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) */
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. */
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. */
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 */
23 /**************************************************************************/
28 #define IbmVethMaxSendFrags 6
30 /* constants for H_MULTICAST_CTRL */
31 #define IbmVethMcastReceptionModifyBit 0x80000UL
32 #define IbmVethMcastReceptionEnableBit 0x20000UL
33 #define IbmVethMcastFilterModifyBit 0x40000UL
34 #define IbmVethMcastFilterEnableBit 0x10000UL
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
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 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
55 #define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \
56 plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac)
58 #define h_free_logical_lan(ua) \
59 plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua)
61 #define h_add_logical_lan_buffer(ua, buf) \
62 plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf)
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)
67 #define h_multicast_ctrl(ua, cmd, mac) \
68 plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac)
70 #define h_change_logical_lan_mac(ua, mac) \
71 plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac)
73 #define h_free_logical_lan_buffer(ua, bufsize) \
74 plpar_hcall_norets(H_FREE_LOGICAL_LAN_BUFFER, ua, bufsize)
76 #define IbmVethNumBufferPools 5
77 #define IBMVETH_BUFF_OH 22 /* Overhead: 14 ethernet header + 8 opaque handle */
78 #define IBMVETH_MAX_MTU 68
79 #define IBMVETH_MAX_POOL_COUNT 4096
80 #define IBMVETH_MAX_BUF_SIZE (1024 * 128)
82 static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 };
83 static int pool_count[] = { 256, 768, 256, 256, 256 };
84 static int pool_active[] = { 1, 1, 0, 0, 0};
86 #define IBM_VETH_INVALID_MAP ((u16)0xffff)
88 struct ibmveth_buff_pool {
98 struct sk_buff **skbuff;
103 struct ibmveth_rx_q {
107 dma_addr_t queue_dma;
109 struct ibmveth_rx_q_entry *queue_addr;
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;
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;
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;
134 u64 tx_multidesc_send;
136 u64 tx_linearize_failed;
139 spinlock_t stats_lock;
142 struct ibmveth_buf_desc_fields {
150 union ibmveth_buf_desc {
152 struct ibmveth_buf_desc_fields fields;
155 struct ibmveth_rx_q_entry {
164 #endif /* _IBMVETH_H */