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sge.h
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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: [email protected] *
27  * *
28  * Authors: Dimitrios Michailidis <[email protected]> *
29  * Tina Yang <[email protected]> *
30  * Felix Marti <[email protected]> *
31  * Scott Bardone <[email protected]> *
32  * Kurt Ottaway <[email protected]> *
33  * Frank DiMambro <[email protected]> *
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_cso_good; /* # of successful RX csum offloads */
61  u64 tx_cso; /* # of TX checksum offloads */
62  u64 tx_tso; /* # of TSO requests */
63  u64 vlan_xtract; /* # of VLAN tag extractions */
64  u64 vlan_insert; /* # of VLAN tag insertions */
65  u64 tx_need_hdrroom; /* # of TX skbs in need of more header room */
66 };
67 
68 struct sk_buff;
69 struct net_device;
70 struct adapter;
71 struct sge_params;
72 struct sge;
73 
74 struct sge *t1_sge_create(struct adapter *, struct sge_params *);
75 int t1_sge_configure(struct sge *, struct sge_params *);
76 int t1_sge_set_coalesce_params(struct sge *, struct sge_params *);
77 void t1_sge_destroy(struct sge *);
78 irqreturn_t t1_interrupt(int irq, void *cookie);
79 int t1_poll(struct napi_struct *, int);
80 
81 netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
82 void t1_vlan_mode(struct adapter *adapter, netdev_features_t features);
83 void t1_sge_start(struct sge *);
84 void t1_sge_stop(struct sge *);
85 int t1_sge_intr_error_handler(struct sge *);
86 void t1_sge_intr_enable(struct sge *);
87 void t1_sge_intr_disable(struct sge *);
88 void t1_sge_intr_clear(struct sge *);
89 const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge);
90 void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *);
91 unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int,
92  unsigned int);
93 
94 #endif /* _CXGB_SGE_H_ */
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