ed0fb18dc6
- add / remove clients from cxgb_main.c now - change ifdef TOE_ENABLED to TCP_OFFLOAD_DISABLE - update copyrights - fix transmit data mismatch bug caused by not setting SB_NOCOALESCE on tx sockbuf on passive connections - fix receive sequence mismatch bug caused by not setting SB_NOCOALESCE on rx sockbuf on passive connections - don't sleep without checking SBS_CANTRCVMORE first - various ddp ordering fixes Supported by: Chelsio Inc.
120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
/*-
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* Copyright (c) 2007-2008, Chelsio Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Neither the name of the Chelsio Corporation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef CXGB_TOEPCB_H_
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#define CXGB_TOEPCB_H_
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#include <sys/bus.h>
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#include <sys/condvar.h>
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#include <dev/cxgb/sys/mbufq.h>
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struct toepcb {
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struct toedev *tp_toedev;
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struct l2t_entry *tp_l2t;
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unsigned int tp_tid;
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int tp_wr_max;
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int tp_wr_avail;
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int tp_wr_unacked;
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int tp_delack_mode;
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int tp_mtu_idx;
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int tp_ulp_mode;
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int tp_qset_idx;
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int tp_mss_clamp;
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int tp_qset;
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int tp_flags;
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int tp_enqueued_bytes;
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int tp_page_count;
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int tp_state;
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tcp_seq tp_iss;
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tcp_seq tp_delack_seq;
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tcp_seq tp_rcv_wup;
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tcp_seq tp_copied_seq;
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uint64_t tp_write_seq;
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volatile int tp_refcount;
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vm_page_t *tp_pages;
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struct tcpcb *tp_tp;
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struct mbuf *tp_m_last;
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bus_dma_tag_t tp_tx_dmat;
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bus_dma_tag_t tp_rx_dmat;
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bus_dmamap_t tp_dmamap;
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LIST_ENTRY(toepcb) synq_entry;
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struct mbuf_head wr_list;
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struct mbuf_head out_of_order_queue;
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struct ddp_state tp_ddp_state;
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struct cv tp_cv;
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};
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static inline void
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reset_wr_list(struct toepcb *toep)
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{
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mbufq_init(&toep->wr_list);
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}
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static inline void
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purge_wr_queue(struct toepcb *toep)
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{
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struct mbuf *m;
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while ((m = mbufq_dequeue(&toep->wr_list)) != NULL)
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m_freem(m);
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}
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static inline void
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enqueue_wr(struct toepcb *toep, struct mbuf *m)
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{
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mbufq_tail(&toep->wr_list, m);
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}
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static inline struct mbuf *
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peek_wr(const struct toepcb *toep)
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{
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return (mbufq_peek(&toep->wr_list));
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}
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static inline struct mbuf *
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dequeue_wr(struct toepcb *toep)
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{
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return (mbufq_dequeue(&toep->wr_list));
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}
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#define wr_queue_walk(toep, m) \
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for (m = peek_wr(toep); m; m = m->m_nextpkt)
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#endif
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