[deliverable/linux.git] / drivers / net / ibmveth.h

/**************************************************************************/
/*                                                                        */
/* 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 */
Commit	Line	Data
1da177e4 LT	1	/**************************************************************************/
	2	/* */
	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) */
	7	/* */
	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. */
	12	/* */
	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. */
	17	/* */
	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 */
	21	/* USA */
	22	/* */
	23	/**************************************************************************/
	24
	25	#ifndef _IBMVETH_H
	26	#define _IBMVETH_H
	27
	28	#define IbmVethMaxSendFrags 6
	29
	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
	44	/* hcall numbers */
	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
	53	/* hcall macros */
	54	#define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \
	55	plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac)
	56
	57	#define h_free_logical_lan(ua) \
	58	plpar_hcall_norets(H_FREE_LOGICAL_LAN, ua)
	59
	60	#define h_add_logical_lan_buffer(ua, buf) \
	61	plpar_hcall_norets(H_ADD_LOGICAL_LAN_BUFFER, ua, buf)
	62
	63	#define h_send_logical_lan(ua, buf1, buf2, buf3, buf4, buf5, buf6, correlator) \
	64	plpar_hcall_8arg_2ret(H_SEND_LOGICAL_LAN, ua, buf1, buf2, buf3, buf4, buf5, buf6, correlator, &correlator)
65
66	#define h_multicast_ctrl(ua, cmd, mac) \
67	plpar_hcall_norets(H_MULTICAST_CTRL, ua, cmd, mac)
68
69	#define h_change_logical_lan_mac(ua, mac) \
70	plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac)
71
72	#define IbmVethNumBufferPools 3
73	#define IbmVethPool0DftSize (1024 * 2)
74	#define IbmVethPool1DftSize (1024 * 4)
75	#define IbmVethPool2DftSize (1024 * 10)
76	#define IbmVethPool0DftCnt 256
77	#define IbmVethPool1DftCnt 256
78	#define IbmVethPool2DftCnt 256
79
80	#define IBM_VETH_INVALID_MAP ((u16)0xffff)
81
82	struct ibmveth_buff_pool {
83	u32 size;
84	u32 index;
85	u32 buff_size;
86	u32 threshold;
87	atomic_t available;
88	u32 consumer_index;
89	u32 producer_index;
90	u16 *free_map;
91	dma_addr_t *dma_addr;
92	struct sk_buff **skbuff;
93	};
94
95	struct ibmveth_rx_q {
96	u64 index;
97	u64 num_slots;
98	u64 toggle;
99	dma_addr_t queue_dma;
100	u32 queue_len;
101	struct ibmveth_rx_q_entry *queue_addr;
102	};
103
104	struct ibmveth_adapter {
105	struct vio_dev *vdev;
106	struct net_device *netdev;
107	struct net_device_stats stats;
108	unsigned int mcastFilterSize;
109	unsigned long mac_addr;
110	unsigned long liobn;
111	void * buffer_list_addr;
112	void * filter_list_addr;
113	dma_addr_t buffer_list_dma;
114	dma_addr_t filter_list_dma;
115	struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools];
116	struct ibmveth_rx_q rx_queue;
117	atomic_t not_replenishing;
118
119	/* helper tasks */
120	struct work_struct replenish_task;
121
122	/* adapter specific stats */
123	u64 replenish_task_cycles;
124	u64 replenish_no_mem;
125	u64 replenish_add_buff_failure;
126	u64 replenish_add_buff_success;
127	u64 rx_invalid_buffer;
128	u64 rx_no_buffer;
129	u64 tx_multidesc_send;
130	u64 tx_linearized;
131	u64 tx_linearize_failed;
132	u64 tx_map_failed;
133	u64 tx_send_failed;
134	};
135
136	struct ibmveth_buf_desc_fields {
137	u32 valid : 1;
138	u32 toggle : 1;
139	u32 reserved : 6;
140	u32 length : 24;
141	u32 address;
142	};
143
144	union ibmveth_buf_desc {
145	u64 desc;
146	struct ibmveth_buf_desc_fields fields;
147	};
148
149	struct ibmveth_rx_q_entry {
150	u16 toggle : 1;
151	u16 valid : 1;
152	u16 reserved : 14;
153	u16 offset;
154	u32 length;
155	u64 correlator;
156	};
157
158	#endif /* _IBMVETH_H */