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, see <http://www.gnu.org/licenses/>. *
15 * *
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED *
17 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
19 * *
20 * http://www.chelsio.com *
21 * *
22 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
23 * All rights reserved. *
24 * *
25 * Maintainers: maintainers@chelsio.com *
26 * *
27 * Authors: Dimitrios Michailidis <dm@chelsio.com> *
28 * Tina Yang <tainay@chelsio.com> *
29 * Felix Marti <felix@chelsio.com> *
30 * Scott Bardone <sbardone@chelsio.com> *
31 * Kurt Ottaway <kottaway@chelsio.com> *
32 * Frank DiMambro <frank@chelsio.com> *
33 * *
34 * History: *
35 * *
36 ****************************************************************************/
37
38 #ifndef _CXGB_SGE_H_
39 #define _CXGB_SGE_H_
40
41 #include <linux/types.h>
42 #include <linux/interrupt.h>
43 #include <asm/byteorder.h>
44
45 struct sge_intr_counts {
46 unsigned int rx_drops; /* # of packets dropped due to no mem */
47 unsigned int pure_rsps; /* # of non-payload responses */
48 unsigned int unhandled_irqs; /* # of unhandled interrupts */
49 unsigned int respQ_empty; /* # times respQ empty */
50 unsigned int respQ_overflow; /* # respQ overflow (fatal) */
51 unsigned int freelistQ_empty; /* # times freelist empty */
52 unsigned int pkt_too_big; /* packet too large (fatal) */
53 unsigned int pkt_mismatch;
54 unsigned int cmdQ_full[3]; /* not HW IRQ, host cmdQ[] full */
55 unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */
56 };
57
58 struct sge_port_stats {
59 u64 rx_cso_good; /* # of successful RX csum offloads */
60 u64 tx_cso; /* # of TX checksum offloads */
61 u64 tx_tso; /* # of TSO requests */
62 u64 vlan_xtract; /* # of VLAN tag extractions */
63 u64 vlan_insert; /* # of VLAN tag insertions */
64 u64 tx_need_hdrroom; /* # of TX skbs in need of more header room */
65 };
66
67 struct sk_buff;
68 struct net_device;
69 struct adapter;
70 struct sge_params;
71 struct sge;
72
73 struct sge *t1_sge_create(struct adapter *, struct sge_params *);
74 int t1_sge_configure(struct sge *, struct sge_params *);
75 int t1_sge_set_coalesce_params(struct sge *, struct sge_params *);
76 void t1_sge_destroy(struct sge *);
77 irqreturn_t t1_interrupt(int irq, void *cookie);
78 int t1_poll(struct napi_struct *, int);
79
80 netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
81 void t1_vlan_mode(struct adapter *adapter, netdev_features_t features);
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 unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int,
91 unsigned int);
92
93 #endif /* _CXGB_SGE_H_ */