xref: /freebsd/sys/dev/cxgbe/tom/t4_tom_l2t.h (revision 30c90f019fae2636046f3789dab92794a138d19a)
1 /*-
2  * Copyright (c) 2012 Chelsio Communications, 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
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
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 *, struct ifnet *,
37     struct sockaddr *);
38 void t4_l2_update(struct toedev *, struct ifnet *, 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
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