606fcd0b94
Reuse the incoming skb when a clientless abort req is recieved. The release of RDMA connections HW resources might be deferred in low memory situations. Ensure that no further activity is passed up to the RDMA driver for these connections. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/*
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* Copyright (c) 2006-2007 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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void *cxgb_alloc_mem(unsigned long size);
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void cxgb_free_mem(void *addr);
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void cxgb_neigh_update(struct neighbour *neigh);
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void cxgb_redirect(struct dst_entry *old, struct dst_entry *new);
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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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if (tid < t->stid_base || tid >= t->stid_base + t->nstids)
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return NULL;
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return &(stid2entry(t, tid)->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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if (tid < t->atid_base || tid >= t->atid_base + t->natids)
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return NULL;
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return &(atid2entry(t, tid)->t3c_tid);
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}
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int process_rx(struct t3cdev *dev, struct sk_buff **skbs, int n);
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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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