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_register_logical_lan(ua, buflst, rxq, fltlst, mac) \
46 plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac)
48 #define h_free_logical_lan(ua) \
49 plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua)
51 #define h_add_logical_lan_buffer(ua, buf) \
52 plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf)
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)
60 unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
62 rc = plpar_hcall9(H_SEND_LOGICAL_LAN, retbuf, unit_address, desc1,
63 desc2, desc3, desc4, desc5, desc6, corellator_in);
65 *corellator_out = retbuf[0];
70 static inline long h_illan_attributes(unsigned long unit_address,
71 unsigned long reset_mask, unsigned long set_mask,
72 unsigned long *ret_attributes)
75 unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
77 rc = plpar_hcall(H_ILLAN_ATTRIBUTES, retbuf, unit_address,
78 reset_mask, set_mask);
80 *ret_attributes = retbuf[0];
85 #define h_multicast_ctrl(ua, cmd, mac) \
86 plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac)
88 #define h_change_logical_lan_mac(ua, mac) \
89 plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac)
91 #define IbmVethNumBufferPools 5
92 #define IBMVETH_BUFF_OH 22 /* Overhead: 14 ethernet header + 8 opaque handle */
93 #define IBMVETH_MAX_MTU 68
94 #define IBMVETH_MAX_POOL_COUNT 4096
95 #define IBMVETH_MAX_BUF_SIZE (1024 * 128)
97 static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 };
98 static int pool_count[] = { 256, 768, 256, 256, 256 };
99 static int pool_active[] = { 1, 1, 0, 0, 0};
101 #define IBM_VETH_INVALID_MAP ((u16)0xffff)
103 struct ibmveth_buff_pool {
112 dma_addr_t *dma_addr;
113 struct sk_buff **skbuff;
118 struct ibmveth_rx_q {
122 dma_addr_t queue_dma;
124 struct ibmveth_rx_q_entry *queue_addr;
127 struct ibmveth_adapter {
128 struct vio_dev *vdev;
129 struct net_device *netdev;
130 struct napi_struct napi;
131 struct net_device_stats stats;
132 unsigned int mcastFilterSize;
133 unsigned long mac_addr;
134 void * buffer_list_addr;
135 void * filter_list_addr;
136 dma_addr_t buffer_list_dma;
137 dma_addr_t filter_list_dma;
138 struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools];
139 struct ibmveth_rx_q rx_queue;
142 /* adapter specific stats */
143 u64 replenish_task_cycles;
144 u64 replenish_no_mem;
145 u64 replenish_add_buff_failure;
146 u64 replenish_add_buff_success;
147 u64 rx_invalid_buffer;
149 u64 tx_multidesc_send;
151 u64 tx_linearize_failed;
154 spinlock_t stats_lock;
157 struct ibmveth_buf_desc_fields {
167 union ibmveth_buf_desc {
169 struct ibmveth_buf_desc_fields fields;
172 struct ibmveth_illan_attributes_fields {
175 u32 csum_offload_padded_pkt_support : 1;
177 u32 trunk_priority : 4;
179 u32 tcp_csum_offload_ipv6 : 1;
180 u32 tcp_csum_offload_ipv4 : 1;
181 u32 active_trunk : 1;
184 union ibmveth_illan_attributes {
186 struct ibmveth_illan_attributes_fields fields;
189 struct ibmveth_rx_q_entry {
201 #endif /* _IBMVETH_H */