1/* SPDX-License-Identifier: GPL-2.0-only */
2/*****************************************************************************
3 *                                                                           *
4 * File: sge.h                                                               *
5 * $Revision: 1.11 $                                                          *
6 * $Date: 2005/06/21 22:10:55 $                                              *
7 * Description:                                                              *
8 *  part of the Chelsio 10Gb Ethernet Driver.                                *
9 *                                                                           *
10 *                                                                           *
11 * http://www.chelsio.com                                                    *
12 *                                                                           *
13 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc.                    *
14 * All rights reserved.                                                      *
15 *                                                                           *
16 * Maintainers: maintainers@chelsio.com                                      *
17 *                                                                           *
18 * Authors: Dimitrios Michailidis   <dm@chelsio.com>                         *
19 *          Tina Yang               <tainay@chelsio.com>                     *
20 *          Felix Marti             <felix@chelsio.com>                      *
21 *          Scott Bardone           <sbardone@chelsio.com>                   *
22 *          Kurt Ottaway            <kottaway@chelsio.com>                   *
23 *          Frank DiMambro          <frank@chelsio.com>                      *
24 *                                                                           *
25 * History:                                                                  *
26 *                                                                           *
27 ****************************************************************************/
28
29#ifndef _CXGB_SGE_H_
30#define _CXGB_SGE_H_
31
32#include <linux/types.h>
33#include <linux/interrupt.h>
34#include <asm/byteorder.h>
35
36struct sge_intr_counts {
37	unsigned int rx_drops;        /* # of packets dropped due to no mem */
38	unsigned int pure_rsps;        /* # of non-payload responses */
39	unsigned int unhandled_irqs;   /* # of unhandled interrupts */
40	unsigned int respQ_empty;      /* # times respQ empty */
41	unsigned int respQ_overflow;   /* # respQ overflow (fatal) */
42	unsigned int freelistQ_empty;  /* # times freelist empty */
43	unsigned int pkt_too_big;      /* packet too large (fatal) */
44	unsigned int pkt_mismatch;
45	unsigned int cmdQ_full[3];     /* not HW IRQ, host cmdQ[] full */
46	unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */
47};
48
49struct sge_port_stats {
50	u64 rx_cso_good;     /* # of successful RX csum offloads */
51	u64 tx_cso;          /* # of TX checksum offloads */
52	u64 tx_tso;          /* # of TSO requests */
53	u64 vlan_xtract;     /* # of VLAN tag extractions */
54	u64 vlan_insert;     /* # of VLAN tag insertions */
55	u64 tx_need_hdrroom; /* # of TX skbs in need of more header room */
56};
57
58struct sk_buff;
59struct net_device;
60struct adapter;
61struct sge_params;
62struct sge;
63
64struct sge *t1_sge_create(struct adapter *, struct sge_params *);
65int t1_sge_configure(struct sge *, struct sge_params *);
66int t1_sge_set_coalesce_params(struct sge *, struct sge_params *);
67void t1_sge_destroy(struct sge *);
68irqreturn_t t1_interrupt_thread(int irq, void *data);
69irqreturn_t t1_interrupt(int irq, void *cookie);
70int t1_poll(struct napi_struct *, int);
71
72netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
73void t1_vlan_mode(struct adapter *adapter, netdev_features_t features);
74void t1_sge_start(struct sge *);
75void t1_sge_stop(struct sge *);
76bool t1_sge_intr_error_handler(struct sge *sge);
77void t1_sge_intr_enable(struct sge *);
78void t1_sge_intr_disable(struct sge *);
79void t1_sge_intr_clear(struct sge *);
80const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge);
81void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *);
82unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int,
83			   unsigned int);
84
85#endif /* _CXGB_SGE_H_ */
86