cxgb3_offload.h | Explore in Territory

/*
 * Copyright (c) 2006-2008 Chelsio, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef _CXGB3_OFFLOAD_H
#define _CXGB3_OFFLOAD_H

#include <linux/list.h>
#include <linux/skbuff.h>

#include "l2t.h"

#include "t3cdev.h"
#include "t3_cpl.h"

struct adapter;

void cxgb3_offload_init(void);

void cxgb3_adapter_ofld(struct adapter *adapter);
void cxgb3_adapter_unofld(struct adapter *adapter);
int cxgb3_offload_activate(struct adapter *adapter);
void cxgb3_offload_deactivate(struct adapter *adapter);

void cxgb3_set_dummy_ops(struct t3cdev *dev);

struct t3cdev *dev2t3cdev(struct net_device *dev);

/*
 * Client registration.  Users of T3 driver must register themselves.
 * The T3 driver will call the add function of every client for each T3
 * adapter activated, passing up the t3cdev ptr.  Each client fills out an
 * array of callback functions to process CPL messages.
 */

void cxgb3_register_client(struct cxgb3_client *client);
void cxgb3_unregister_client(struct cxgb3_client *client);
void cxgb3_add_clients(struct t3cdev *tdev);
void cxgb3_remove_clients(struct t3cdev *tdev);
void cxgb3_event_notify(struct t3cdev *tdev, u32 event, u32 port);

cxgb3_cpl_handler_func;

enum { … };

struct cxgb3_client { … };

/*
 * TID allocation services.
 */
int cxgb3_alloc_atid(struct t3cdev *dev, struct cxgb3_client *client,
		     void *ctx);
int cxgb3_alloc_stid(struct t3cdev *dev, struct cxgb3_client *client,
		     void *ctx);
void *cxgb3_free_atid(struct t3cdev *dev, int atid);
void cxgb3_free_stid(struct t3cdev *dev, int stid);
void cxgb3_insert_tid(struct t3cdev *dev, struct cxgb3_client *client,
		      void *ctx, unsigned int tid);
void cxgb3_queue_tid_release(struct t3cdev *dev, unsigned int tid);
void cxgb3_remove_tid(struct t3cdev *dev, void *ctx, unsigned int tid);

struct t3c_tid_entry { … };

/* CPL message priority levels */
enum { … };

/* Flags for return value of CPL message handlers */
enum { … };

cpl_handler_func;

/*
 * Returns a pointer to the first byte of the CPL header in an sk_buff that
 * contains a CPL message.
 */
static inline void *cplhdr(struct sk_buff *skb)
{ … }

void t3_register_cpl_handler(unsigned int opcode, cpl_handler_func h);

listen_entry;

active_open_entry;

/*
 * Holds the size, base address, free list start, etc of the TID, server TID,
 * and active-open TID tables for a offload device.
 * The tables themselves are allocated dynamically.
 */
struct tid_info { … };

struct t3c_data { … };

/*
 * t3cdev -> t3c_data accessor
 */
#define T3C_DATA(dev) …

#endif
linux/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.h
