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tcp_lro.h (255010) tcp_lro.h (294327)
1/*-
2 * Copyright (c) 2006, Myricom Inc.
3 * Copyright (c) 2008, Intel Corporation.
1/*-
2 * Copyright (c) 2006, Myricom Inc.
3 * Copyright (c) 2008, Intel Corporation.
4 * Copyright (c) 2016 Mellanox Technologies.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright

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19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
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

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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 *
27 * $FreeBSD: head/sys/netinet/tcp_lro.h 255010 2013-08-28 23:00:34Z np $
28 * $FreeBSD: head/sys/netinet/tcp_lro.h 294327 2016-01-19 15:33:28Z hselasky $
28 */
29
30#ifndef _TCP_LRO_H_
31#define _TCP_LRO_H_
32
33#include <sys/time.h>
34
29 */
30
31#ifndef _TCP_LRO_H_
32#define _TCP_LRO_H_
33
34#include <sys/time.h>
35
36#ifndef TCP_LRO_ENTRIES
37/* Define default number of LRO entries per RX queue */
38#define TCP_LRO_ENTRIES 8
39#endif
40
41#define TCP_LRO_SEQUENCE(mb) \
42 (mb)->m_pkthdr.PH_loc.thirtytwo[0]
43
35struct lro_entry
36{
37 SLIST_ENTRY(lro_entry) next;
38 struct mbuf *m_head;
39 struct mbuf *m_tail;
40 union {
41 struct ip *ip4;
42 struct ip6_hdr *ip6;

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70#define source_ip4 lesource.s_ip4
71#define dest_ip4 ledest.d_ip4
72#define source_ip6 lesource.s_ip6
73#define dest_ip6 ledest.d_ip6
74
75/* NB: This is part of driver structs. */
76struct lro_ctrl {
77 struct ifnet *ifp;
44struct lro_entry
45{
46 SLIST_ENTRY(lro_entry) next;
47 struct mbuf *m_head;
48 struct mbuf *m_tail;
49 union {
50 struct ip *ip4;
51 struct ip6_hdr *ip6;

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79#define source_ip4 lesource.s_ip4
80#define dest_ip4 ledest.d_ip4
81#define source_ip6 lesource.s_ip6
82#define dest_ip6 ledest.d_ip6
83
84/* NB: This is part of driver structs. */
85struct lro_ctrl {
86 struct ifnet *ifp;
78 int lro_queued;
79 int lro_flushed;
80 int lro_bad_csum;
81 int lro_cnt;
87 struct mbuf **lro_mbuf_data;
88 uint64_t lro_queued;
89 uint64_t lro_flushed;
90 uint64_t lro_bad_csum;
91 unsigned lro_cnt;
92 unsigned lro_mbuf_count;
93 unsigned lro_mbuf_max;
82
83 struct lro_head lro_active;
84 struct lro_head lro_free;
85};
86
87int tcp_lro_init(struct lro_ctrl *);
94
95 struct lro_head lro_active;
96 struct lro_head lro_free;
97};
98
99int tcp_lro_init(struct lro_ctrl *);
100int tcp_lro_init_args(struct lro_ctrl *, struct ifnet *, unsigned, unsigned);
88void tcp_lro_free(struct lro_ctrl *);
89void tcp_lro_flush_inactive(struct lro_ctrl *, const struct timeval *);
90void tcp_lro_flush(struct lro_ctrl *, struct lro_entry *);
101void tcp_lro_free(struct lro_ctrl *);
102void tcp_lro_flush_inactive(struct lro_ctrl *, const struct timeval *);
103void tcp_lro_flush(struct lro_ctrl *, struct lro_entry *);
104void tcp_lro_flush_all(struct lro_ctrl *);
91int tcp_lro_rx(struct lro_ctrl *, struct mbuf *, uint32_t);
105int tcp_lro_rx(struct lro_ctrl *, struct mbuf *, uint32_t);
106void tcp_lro_queue_mbuf(struct lro_ctrl *, struct mbuf *);
92
93#define TCP_LRO_CANNOT -1
94#define TCP_LRO_NOT_SUPPORTED 1
95
96#endif /* _TCP_LRO_H_ */
107
108#define TCP_LRO_CANNOT -1
109#define TCP_LRO_NOT_SUPPORTED 1
110
111#endif /* _TCP_LRO_H_ */