xref: /freebsd/sys/dev/cxgbe/tom/t4_tom_l2t.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2012 Chelsio Communications, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  */
29 
30 #ifndef __T4_TOM_L2T_H
31 #define __T4_TOM_L2T_H
32 
33 #include "t4_l2t.h"
34 
35 int t4_l2t_send_slow(struct adapter *, struct wrqe *, struct l2t_entry *);
36 struct l2t_entry *t4_l2t_get(struct port_info *, if_t,
37     struct sockaddr *);
38 void t4_l2_update(struct toedev *, if_t, struct sockaddr *,
39     uint8_t *, uint16_t);
40 int do_l2t_write_rpl2(struct sge_iq *, const struct rss_header *,
41     struct mbuf *);
42 
43 static inline int
t4_l2t_send(struct adapter * sc,struct wrqe * wr,struct l2t_entry * e)44 t4_l2t_send(struct adapter *sc, struct wrqe *wr, struct l2t_entry *e)
45 {
46 	if (__predict_true(e->state == L2T_STATE_VALID)) {
47 		t4_wrq_tx(sc, wr);
48 		return (0);
49 	} else
50 		return (t4_l2t_send_slow(sc, wr, e));
51 }
52 
53 #endif  /* __T4_TOM_L2T_H */
54