drivers/net/ethernet/chelsio/cxgb/sge.h

   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
  36 struct 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
  49 struct 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
  58 struct sk_buff;
  59 struct net_device;
  60 struct adapter;
  61 struct sge_params;
  62 struct sge;
  63
  64 struct sge *t1_sge_create(struct adapter *, struct sge_params *);
  65 int t1_sge_configure(struct sge *, struct sge_params *);
  66 int t1_sge_set_coalesce_params(struct sge *, struct sge_params *);
  67 void t1_sge_destroy(struct sge *);
  68 irqreturn_t t1_interrupt_thread(int irq, void *data);
  69 irqreturn_t t1_interrupt(int irq, void *cookie);
  70 int t1_poll(struct napi_struct *, int);
  71
  72 netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
  73 void t1_vlan_mode(struct adapter *adapter, netdev_features_t features);
  74 void t1_sge_start(struct sge *);
  75 void t1_sge_stop(struct sge *);
  76 bool t1_sge_intr_error_handler(struct sge *sge);
  77 void t1_sge_intr_enable(struct sge *);
  78 void t1_sge_intr_disable(struct sge *);
  79 void t1_sge_intr_clear(struct sge *);
  80 const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge);
  81 void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *);
  82 unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int,
  83                            unsigned int);
  84
  85 #endif /* _CXGB_SGE_H_ */