| /* |
| * Copyright (c) 2005-2009 Chelsio, Inc. All rights reserved. |
| * Copyright (c) 2005-2009 Open Grid Computing, Inc. All rights reserved. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this |
| * release for licensing terms and conditions. |
| */ |
| #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); |
| void cxgb_neigh_update(struct neighbour *neigh); |
| void cxgb_redirect(struct dst_entry *old, struct dst_entry *new); |
| #ifndef LINUX_2_4 |
| int req_set_offload_policy(struct net_device *, |
| const struct ofld_policy_file *, |
| size_t); |
| #endif |
| |
| /* |
| * 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 process_rx(struct t3cdev *dev, struct sk_buff **skbs, int n); |
| int attach_t3cdev(struct t3cdev *dev); |
| void detach_t3cdev(struct t3cdev *dev); |
| #endif |