115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
/*
|
|
* 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 _CHELSIO_DEFS_H
|
|
#define _CHELSIO_DEFS_H
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <net/tcp.h>
|
|
|
|
#include "t3cdev.h"
|
|
|
|
#include "cxgb3_offload.h"
|
|
|
|
#define VALIDATE_TID 1
|
|
|
|
void *cxgb_alloc_mem(unsigned long size);
|
|
void cxgb_free_mem(void *addr);
|
|
|
|
/*
|
|
* Map an ATID or STID to their entries in the corresponding TID tables.
|
|
*/
|
|
static inline union active_open_entry *atid2entry(const struct tid_info *t,
|
|
unsigned int atid)
|
|
{
|
|
return &t->atid_tab[atid - t->atid_base];
|
|
}
|
|
|
|
static inline union listen_entry *stid2entry(const struct tid_info *t,
|
|
unsigned int stid)
|
|
{
|
|
return &t->stid_tab[stid - t->stid_base];
|
|
}
|
|
|
|
/*
|
|
* Find the connection corresponding to a TID.
|
|
*/
|
|
static inline struct t3c_tid_entry *lookup_tid(const struct tid_info *t,
|
|
unsigned int tid)
|
|
{
|
|
struct t3c_tid_entry *t3c_tid = tid < t->ntids ?
|
|
&(t->tid_tab[tid]) : NULL;
|
|
|
|
return (t3c_tid && t3c_tid->client) ? t3c_tid : NULL;
|
|
}
|
|
|
|
/*
|
|
* Find the connection corresponding to a server TID.
|
|
*/
|
|
static inline struct t3c_tid_entry *lookup_stid(const struct tid_info *t,
|
|
unsigned int tid)
|
|
{
|
|
union listen_entry *e;
|
|
|
|
if (tid < t->stid_base || tid >= t->stid_base + t->nstids)
|
|
return NULL;
|
|
|
|
e = stid2entry(t, tid);
|
|
if ((void *)e->next >= (void *)t->tid_tab &&
|
|
(void *)e->next < (void *)&t->atid_tab[t->natids])
|
|
return NULL;
|
|
|
|
return &e->t3c_tid;
|
|
}
|
|
|
|
/*
|
|
* Find the connection corresponding to an active-open TID.
|
|
*/
|
|
static inline struct t3c_tid_entry *lookup_atid(const struct tid_info *t,
|
|
unsigned int tid)
|
|
{
|
|
union active_open_entry *e;
|
|
|
|
if (tid < t->atid_base || tid >= t->atid_base + t->natids)
|
|
return NULL;
|
|
|
|
e = atid2entry(t, tid);
|
|
if ((void *)e->next >= (void *)t->tid_tab &&
|
|
(void *)e->next < (void *)&t->atid_tab[t->natids])
|
|
return NULL;
|
|
|
|
return &e->t3c_tid;
|
|
}
|
|
|
|
int attach_t3cdev(struct t3cdev *dev);
|
|
void detach_t3cdev(struct t3cdev *dev);
|
|
#endif
|