/* * 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 #include #include "t3cdev.h" #include "cxgb3_offload.h" #define VALIDATE_TID 1 /* * 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; } #endif