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