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111 lines
3.2 KiB
111 lines
3.2 KiB
/* |
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* Copyright (c) 2006-2008 Chelsio, Inc. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#ifndef _CHELSIO_DEFS_H |
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#define _CHELSIO_DEFS_H |
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#include <linux/skbuff.h> |
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#include <net/tcp.h> |
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#include "t3cdev.h" |
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#include "cxgb3_offload.h" |
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#define VALIDATE_TID 1 |
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/* |
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* Map an ATID or STID to their entries in the corresponding TID tables. |
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*/ |
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static inline union active_open_entry *atid2entry(const struct tid_info *t, |
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unsigned int atid) |
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{ |
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return &t->atid_tab[atid - t->atid_base]; |
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} |
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static inline union listen_entry *stid2entry(const struct tid_info *t, |
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unsigned int stid) |
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{ |
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return &t->stid_tab[stid - t->stid_base]; |
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} |
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/* |
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* Find the connection corresponding to a TID. |
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*/ |
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static inline struct t3c_tid_entry *lookup_tid(const struct tid_info *t, |
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unsigned int tid) |
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{ |
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struct t3c_tid_entry *t3c_tid = tid < t->ntids ? |
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&(t->tid_tab[tid]) : NULL; |
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return (t3c_tid && t3c_tid->client) ? t3c_tid : NULL; |
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} |
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/* |
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* Find the connection corresponding to a server TID. |
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*/ |
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static inline struct t3c_tid_entry *lookup_stid(const struct tid_info *t, |
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unsigned int tid) |
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{ |
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union listen_entry *e; |
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if (tid < t->stid_base || tid >= t->stid_base + t->nstids) |
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return NULL; |
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e = stid2entry(t, tid); |
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if ((void *)e->next >= (void *)t->tid_tab && |
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(void *)e->next < (void *)&t->atid_tab[t->natids]) |
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return NULL; |
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return &e->t3c_tid; |
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} |
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/* |
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* Find the connection corresponding to an active-open TID. |
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*/ |
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static inline struct t3c_tid_entry *lookup_atid(const struct tid_info *t, |
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unsigned int tid) |
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{ |
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union active_open_entry *e; |
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if (tid < t->atid_base || tid >= t->atid_base + t->natids) |
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return NULL; |
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e = atid2entry(t, tid); |
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if ((void *)e->next >= (void *)t->tid_tab && |
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(void *)e->next < (void *)&t->atid_tab[t->natids]) |
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return NULL; |
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return &e->t3c_tid; |
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} |
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int attach_t3cdev(struct t3cdev *dev); |
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void detach_t3cdev(struct t3cdev *dev); |
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#endif
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