Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6] / drivers / net / chelsio / sge.h
1 /*****************************************************************************
2  *                                                                           *
3  * File: sge.h                                                               *
4  * $Revision: 1.11 $                                                          *
5  * $Date: 2005/06/21 22:10:55 $                                              *
6  * Description:                                                              *
7  *  part of the Chelsio 10Gb Ethernet Driver.                                *
8  *                                                                           *
9  * This program is free software; you can redistribute it and/or modify      *
10  * it under the terms of the GNU General Public License, version 2, as       *
11  * published by the Free Software Foundation.                                *
12  *                                                                           *
13  * You should have received a copy of the GNU General Public License along   *
14  * with this program; if not, write to the Free Software Foundation, Inc.,   *
15  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.                 *
16  *                                                                           *
17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED    *
18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF      *
19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.                     *
20  *                                                                           *
21  * http://www.chelsio.com                                                    *
22  *                                                                           *
23  * Copyright (c) 2003 - 2005 Chelsio Communications, Inc.                    *
24  * All rights reserved.                                                      *
25  *                                                                           *
26  * Maintainers: maintainers@chelsio.com                                      *
27  *                                                                           *
28  * Authors: Dimitrios Michailidis   <dm@chelsio.com>                         *
29  *          Tina Yang               <tainay@chelsio.com>                     *
30  *          Felix Marti             <felix@chelsio.com>                      *
31  *          Scott Bardone           <sbardone@chelsio.com>                   *
32  *          Kurt Ottaway            <kottaway@chelsio.com>                   *
33  *          Frank DiMambro          <frank@chelsio.com>                      *
34  *                                                                           *
35  * History:                                                                  *
36  *                                                                           *
37  ****************************************************************************/
38
39 #ifndef _CXGB_SGE_H_
40 #define _CXGB_SGE_H_
41
42 #include <linux/types.h>
43 #include <linux/interrupt.h>
44 #include <asm/byteorder.h>
45
46 struct sge_intr_counts {
47         unsigned int rx_drops;        /* # of packets dropped due to no mem */
48         unsigned int pure_rsps;        /* # of non-payload responses */
49         unsigned int unhandled_irqs;   /* # of unhandled interrupts */
50         unsigned int respQ_empty;      /* # times respQ empty */
51         unsigned int respQ_overflow;   /* # respQ overflow (fatal) */
52         unsigned int freelistQ_empty;  /* # times freelist empty */
53         unsigned int pkt_too_big;      /* packet too large (fatal) */
54         unsigned int pkt_mismatch;
55         unsigned int cmdQ_full[3];     /* not HW IRQ, host cmdQ[] full */
56         unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */
57 };
58
59 struct sge_port_stats {
60         u64 rx_packets;      /* # of Ethernet packets received */
61         u64 rx_cso_good;     /* # of successful RX csum offloads */
62         u64 tx_packets;      /* # of TX packets */
63         u64 tx_cso;          /* # of TX checksum offloads */
64         u64 tx_tso;          /* # of TSO requests */
65         u64 vlan_xtract;     /* # of VLAN tag extractions */
66         u64 vlan_insert;     /* # of VLAN tag insertions */
67 };
68
69 struct sk_buff;
70 struct net_device;
71 struct adapter;
72 struct sge_params;
73 struct sge;
74
75 struct sge *t1_sge_create(struct adapter *, struct sge_params *);
76 int t1_sge_configure(struct sge *, struct sge_params *);
77 int t1_sge_set_coalesce_params(struct sge *, struct sge_params *);
78 void t1_sge_destroy(struct sge *);
79 irq_handler_t t1_select_intr_handler(adapter_t *adapter);
80 int t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
81 void t1_set_vlan_accel(struct adapter *adapter, int on_off);
82 void t1_sge_start(struct sge *);
83 void t1_sge_stop(struct sge *);
84 int t1_sge_intr_error_handler(struct sge *);
85 void t1_sge_intr_enable(struct sge *);
86 void t1_sge_intr_disable(struct sge *);
87 void t1_sge_intr_clear(struct sge *);
88 const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge);
89 void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *);
90 void t1_sched_set_max_avail_bytes(struct sge *, unsigned int);
91 void t1_sched_set_drain_bits_per_us(struct sge *, unsigned int, unsigned int);
92 unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int,
93                            unsigned int);
94
95 #endif /* _CXGB_SGE_H_ */