2 * Copyright (c) 2007-2008, Chelsio Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
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.
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.
29 #ifndef CXGB_TOEPCB_H_
30 #define CXGB_TOEPCB_H_
32 #include <sys/condvar.h>
33 #include <dev/cxgb/sys/mbufq.h>
36 struct toedev *tp_toedev;
37 struct l2t_entry *tp_l2t;
49 int tp_enqueued_bytes;
54 tcp_seq tp_delack_seq;
56 tcp_seq tp_copied_seq;
57 uint64_t tp_write_seq;
59 volatile int tp_refcount;
63 struct mbuf *tp_m_last;
64 bus_dma_tag_t tp_tx_dmat;
65 bus_dma_tag_t tp_rx_dmat;
66 bus_dmamap_t tp_dmamap;
68 LIST_ENTRY(toepcb) synq_entry;
69 struct mbuf_head wr_list;
70 struct mbuf_head out_of_order_queue;
71 struct ddp_state tp_ddp_state;
77 reset_wr_list(struct toepcb *toep)
80 mbufq_init(&toep->wr_list);
84 purge_wr_queue(struct toepcb *toep)
88 while ((m = mbufq_dequeue(&toep->wr_list)) != NULL)
93 enqueue_wr(struct toepcb *toep, struct mbuf *m)
96 mbufq_tail(&toep->wr_list, m);
99 static inline struct mbuf *
100 peek_wr(struct toepcb *toep)
103 return (mbufq_peek(&toep->wr_list));
106 static inline struct mbuf *
107 dequeue_wr(struct toepcb *toep)
110 return (mbufq_dequeue(&toep->wr_list));
113 #define wr_queue_walk(toep, m) \
114 for (m = peek_wr(toep); m; m = m->m_nextpkt)