diff options
Diffstat (limited to 'drivers/net/ibmveth.h')
| -rw-r--r-- | drivers/net/ibmveth.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/drivers/net/ibmveth.h b/drivers/net/ibmveth.h new file mode 100644 index 00000000000..51a470da968 --- /dev/null +++ b/drivers/net/ibmveth.h @@ -0,0 +1,158 @@ +/**************************************************************************/ +/* */ +/* IBM eServer i/[Series Virtual Ethernet Device Driver */ +/* Copyright (C) 2003 IBM Corp. */ +/* Dave Larson (larson1@us.ibm.com) */ +/* Santiago Leon (santil@us.ibm.com) */ +/* */ +/* This program is free software; you can redistribute it and/or modify */ +/* it under the terms of the GNU General Public License as published by */ +/* the Free Software Foundation; either version 2 of the License, or */ +/* (at your option) any later version. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program; if not, write to the Free Software */ +/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 */ +/* USA */ +/* */ +/**************************************************************************/ + +#ifndef _IBMVETH_H +#define _IBMVETH_H + +#define IbmVethMaxSendFrags 6 + +/* constants for H_MULTICAST_CTRL */ +#define IbmVethMcastReceptionModifyBit 0x80000UL +#define IbmVethMcastReceptionEnableBit 0x20000UL +#define IbmVethMcastFilterModifyBit 0x40000UL +#define IbmVethMcastFilterEnableBit 0x10000UL + +#define IbmVethMcastEnableRecv (IbmVethMcastReceptionModifyBit | IbmVethMcastReceptionEnableBit) +#define IbmVethMcastDisableRecv (IbmVethMcastReceptionModifyBit) +#define IbmVethMcastEnableFiltering (IbmVethMcastFilterModifyBit | IbmVethMcastFilterEnableBit) +#define IbmVethMcastDisableFiltering (IbmVethMcastFilterModifyBit) +#define IbmVethMcastAddFilter 0x1UL +#define IbmVethMcastRemoveFilter 0x2UL +#define IbmVethMcastClearFilterTable 0x3UL + +/* hcall numbers */ +#define H_VIO_SIGNAL 0x104 +#define H_REGISTER_LOGICAL_LAN 0x114 +#define H_FREE_LOGICAL_LAN 0x118 +#define H_ADD_LOGICAL_LAN_BUFFER 0x11C +#define H_SEND_LOGICAL_LAN 0x120 +#define H_MULTICAST_CTRL 0x130 +#define H_CHANGE_LOGICAL_LAN_MAC 0x14C + +/* hcall macros */ +#define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \ + plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac) + +#define h_free_logical_lan(ua) \ + plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua) + +#define h_add_logical_lan_buffer(ua, buf) \ + plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf) + +#define h_send_logical_lan(ua, buf1, buf2, buf3, buf4, buf5, buf6, correlator) \ + plpar_hcall_8arg_2ret(H_SEND_LOGICAL_LAN, ua, buf1, buf2, buf3, buf4, buf5, buf6, correlator, &correlator) + +#define h_multicast_ctrl(ua, cmd, mac) \ + plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac) + +#define h_change_logical_lan_mac(ua, mac) \ + plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac) + +#define IbmVethNumBufferPools 3 +#define IbmVethPool0DftSize (1024 * 2) +#define IbmVethPool1DftSize (1024 * 4) +#define IbmVethPool2DftSize (1024 * 10) +#define IbmVethPool0DftCnt 256 +#define IbmVethPool1DftCnt 256 +#define IbmVethPool2DftCnt 256 + +#define IBM_VETH_INVALID_MAP ((u16)0xffff) + +struct ibmveth_buff_pool { + u32 size; + u32 index; + u32 buff_size; + u32 threshold; + atomic_t available; + u32 consumer_index; + u32 producer_index; + u16 *free_map; + dma_addr_t *dma_addr; + struct sk_buff **skbuff; +}; + +struct ibmveth_rx_q { + u64 index; + u64 num_slots; + u64 toggle; + dma_addr_t queue_dma; + u32 queue_len; + struct ibmveth_rx_q_entry *queue_addr; +}; + +struct ibmveth_adapter { + struct vio_dev *vdev; + struct net_device *netdev; + struct net_device_stats stats; + unsigned int mcastFilterSize; + unsigned long mac_addr; + unsigned long liobn; + void * buffer_list_addr; + void * filter_list_addr; + dma_addr_t buffer_list_dma; + dma_addr_t filter_list_dma; + struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools]; + struct ibmveth_rx_q rx_queue; + atomic_t not_replenishing; + + /* helper tasks */ + struct work_struct replenish_task; + + /* adapter specific stats */ + u64 replenish_task_cycles; + u64 replenish_no_mem; + u64 replenish_add_buff_failure; + u64 replenish_add_buff_success; + u64 rx_invalid_buffer; + u64 rx_no_buffer; + u64 tx_multidesc_send; + u64 tx_linearized; + u64 tx_linearize_failed; + u64 tx_map_failed; + u64 tx_send_failed; +}; + +struct ibmveth_buf_desc_fields { + u32 valid : 1; + u32 toggle : 1; + u32 reserved : 6; + u32 length : 24; + u32 address; +}; + +union ibmveth_buf_desc { + u64 desc; + struct ibmveth_buf_desc_fields fields; +}; + +struct ibmveth_rx_q_entry { + u16 toggle : 1; + u16 valid : 1; + u16 reserved : 14; + u16 offset; + u32 length; + u64 correlator; +}; + +#endif /* _IBMVETH_H */ |