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kernel/linux-rt-4.4.41/drivers/net/ethernet/chelsio/cxgb/sge.h 4.92 KB
5113f6f70   김현기   kernel add
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  /*****************************************************************************
   *                                                                           *
   * File: sge.h                                                               *
   * $Revision: 1.11 $                                                          *
   * $Date: 2005/06/21 22:10:55 $                                              *
   * Description:                                                              *
   *  part of the Chelsio 10Gb Ethernet Driver.                                *
   *                                                                           *
   * This program is free software; you can redistribute it and/or modify      *
   * it under the terms of the GNU General Public License, version 2, as       *
   * published by the Free Software Foundation.                                *
   *                                                                           *
   * You should have received a copy of the GNU General Public License along   *
   * with this program; if not, see <http://www.gnu.org/licenses/>.            *
   *                                                                           *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED    *
   * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF      *
   * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.                     *
   *                                                                           *
   * http://www.chelsio.com                                                    *
   *                                                                           *
   * Copyright (c) 2003 - 2005 Chelsio Communications, Inc.                    *
   * All rights reserved.                                                      *
   *                                                                           *
   * Maintainers: maintainers@chelsio.com                                      *
   *                                                                           *
   * Authors: Dimitrios Michailidis   <dm@chelsio.com>                         *
   *          Tina Yang               <tainay@chelsio.com>                     *
   *          Felix Marti             <felix@chelsio.com>                      *
   *          Scott Bardone           <sbardone@chelsio.com>                   *
   *          Kurt Ottaway            <kottaway@chelsio.com>                   *
   *          Frank DiMambro          <frank@chelsio.com>                      *
   *                                                                           *
   * History:                                                                  *
   *                                                                           *
   ****************************************************************************/
  
  #ifndef _CXGB_SGE_H_
  #define _CXGB_SGE_H_
  
  #include <linux/types.h>
  #include <linux/interrupt.h>
  #include <asm/byteorder.h>
  
  struct sge_intr_counts {
  	unsigned int rx_drops;        /* # of packets dropped due to no mem */
  	unsigned int pure_rsps;        /* # of non-payload responses */
  	unsigned int unhandled_irqs;   /* # of unhandled interrupts */
  	unsigned int respQ_empty;      /* # times respQ empty */
  	unsigned int respQ_overflow;   /* # respQ overflow (fatal) */
  	unsigned int freelistQ_empty;  /* # times freelist empty */
  	unsigned int pkt_too_big;      /* packet too large (fatal) */
  	unsigned int pkt_mismatch;
  	unsigned int cmdQ_full[3];     /* not HW IRQ, host cmdQ[] full */
  	unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */
  };
  
  struct sge_port_stats {
  	u64 rx_cso_good;     /* # of successful RX csum offloads */
  	u64 tx_cso;          /* # of TX checksum offloads */
  	u64 tx_tso;          /* # of TSO requests */
  	u64 vlan_xtract;     /* # of VLAN tag extractions */
  	u64 vlan_insert;     /* # of VLAN tag insertions */
  	u64 tx_need_hdrroom; /* # of TX skbs in need of more header room */
  };
  
  struct sk_buff;
  struct net_device;
  struct adapter;
  struct sge_params;
  struct sge;
  
  struct sge *t1_sge_create(struct adapter *, struct sge_params *);
  int t1_sge_configure(struct sge *, struct sge_params *);
  int t1_sge_set_coalesce_params(struct sge *, struct sge_params *);
  void t1_sge_destroy(struct sge *);
  irqreturn_t t1_interrupt(int irq, void *cookie);
  int t1_poll(struct napi_struct *, int);
  
  netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
  void t1_vlan_mode(struct adapter *adapter, netdev_features_t features);
  void t1_sge_start(struct sge *);
  void t1_sge_stop(struct sge *);
  int t1_sge_intr_error_handler(struct sge *);
  void t1_sge_intr_enable(struct sge *);
  void t1_sge_intr_disable(struct sge *);
  void t1_sge_intr_clear(struct sge *);
  const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge);
  void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *);
  unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int,
  			   unsigned int);
  
  #endif /* _CXGB_SGE_H_ */