1/*- 2 * Copyright (c) 2007-2009, Chelsio Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Neither the name of the Chelsio Corporation nor the names of its 12 * contributors may be used to endorse or promote products derived from 13 * this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29#ifndef CXGB_TOEPCB_H_ 30#define CXGB_TOEPCB_H_ 31#include <sys/bus.h> 32#include <sys/condvar.h> 33#include <sys/limits.h> 34 35#define TP_DATASENT (1 << 0) 36#define TP_TX_WAIT_IDLE (1 << 1) 37#define TP_FIN_SENT (1 << 2) 38#define TP_ABORT_RPL_PENDING (1 << 3) 39#define TP_ABORT_SHUTDOWN (1 << 4) 40#define TP_ABORT_RPL_RCVD (1 << 5) 41#define TP_ABORT_REQ_RCVD (1 << 6) 42#define TP_ATTACHED (1 << 7) 43#define TP_CPL_DONE (1 << 8) 44#define TP_IS_A_SYNQ_ENTRY (1 << 9) 45#define TP_ABORT_RPL_SENT (1 << 10) 46#define TP_SEND_FIN (1 << 11) 47#define TP_SYNQE_EXPANDED (1 << 12) 48 49struct toepcb { 50 TAILQ_ENTRY(toepcb) link; /* toep_list */ 51 int tp_flags; 52 struct toedev *tp_tod; 53 struct l2t_entry *tp_l2t; 54 int tp_tid; 55 int tp_wr_max; 56 int tp_wr_avail; 57 int tp_wr_unacked; 58 int tp_delack_mode; 59 int tp_ulp_mode; 60 int tp_qset; 61 int tp_enqueued; 62 int tp_rx_credits; 63 64 struct inpcb *tp_inp; 65 struct mbuf *tp_m_last; 66 67 struct mbufq wr_list; 68 struct mbufq out_of_order_queue; 69}; 70 71static inline void 72reset_wr_list(struct toepcb *toep) 73{ 74 mbufq_init(&toep->wr_list, INT_MAX); /* XXX: sane limit needed */ 75} 76 77static inline void 78enqueue_wr(struct toepcb *toep, struct mbuf *m) 79{ 80 (void )mbufq_enqueue(&toep->wr_list, m); 81} 82 83static inline struct mbuf * 84peek_wr(const struct toepcb *toep) 85{ 86 return (mbufq_first(&toep->wr_list)); 87} 88 89static inline struct mbuf * 90dequeue_wr(struct toepcb *toep) 91{ 92 return (mbufq_dequeue(&toep->wr_list)); 93} 94 95#endif 96