c578b6aca0
on queue(3)'s STAILQ. Utilize them in cxgb(4) and Xen, deleting home grown implementations. Sponsored by: Netflix Sponsored by: Nginx, Inc.
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*-
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* Copyright (c) 2007-2009, 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 <sys/limits.h>
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#define TP_DATASENT (1 << 0)
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#define TP_TX_WAIT_IDLE (1 << 1)
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#define TP_FIN_SENT (1 << 2)
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#define TP_ABORT_RPL_PENDING (1 << 3)
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#define TP_ABORT_SHUTDOWN (1 << 4)
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#define TP_ABORT_RPL_RCVD (1 << 5)
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#define TP_ABORT_REQ_RCVD (1 << 6)
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#define TP_ATTACHED (1 << 7)
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#define TP_CPL_DONE (1 << 8)
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#define TP_IS_A_SYNQ_ENTRY (1 << 9)
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#define TP_ABORT_RPL_SENT (1 << 10)
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#define TP_SEND_FIN (1 << 11)
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#define TP_SYNQE_EXPANDED (1 << 12)
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struct toepcb {
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TAILQ_ENTRY(toepcb) link; /* toep_list */
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int tp_flags;
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struct toedev *tp_tod;
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struct l2t_entry *tp_l2t;
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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_ulp_mode;
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int tp_qset;
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int tp_enqueued;
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int tp_rx_credits;
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struct inpcb *tp_inp;
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struct mbuf *tp_m_last;
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struct mbufq wr_list;
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struct mbufq out_of_order_queue;
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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, INT_MAX); /* XXX: sane limit needed */
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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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(void )mbufq_enqueue(&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_first(&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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#endif
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