summaryrefslogtreecommitdiff
path: root/net/core/flow_offload.c
blob: c3a00eac48048aad1098b6b5c8810225ecdccb99 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/kernel.h>
#include <linux/slab.h>
#include <net/flow_offload.h>

struct flow_rule *flow_rule_alloc(unsigned int num_actions)
{
	struct flow_rule *rule;

	rule = kzalloc(sizeof(struct flow_rule) +
		       sizeof(struct flow_action_entry) * num_actions,
		       GFP_KERNEL);
	if (!rule)
		return NULL;

	rule->action.num_entries = num_actions;

	return rule;
}
EXPORT_SYMBOL(flow_rule_alloc);

#define FLOW_DISSECTOR_MATCH(__rule, __type, __out)				\
	const struct flow_match *__m = &(__rule)->match;			\
	struct flow_dissector *__d = (__m)->dissector;				\
										\
	(__out)->key = skb_flow_dissector_target(__d, __type, (__m)->key);	\
	(__out)->mask = skb_flow_dissector_target(__d, __type, (__m)->mask);	\

void flow_rule_match_basic(const struct flow_rule *rule,
			   struct flow_match_basic *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_BASIC, out);
}
EXPORT_SYMBOL(flow_rule_match_basic);

void flow_rule_match_control(const struct flow_rule *rule,
			     struct flow_match_control *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_CONTROL, out);
}
EXPORT_SYMBOL(flow_rule_match_control);

void flow_rule_match_eth_addrs(const struct flow_rule *rule,
			       struct flow_match_eth_addrs *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS, out);
}
EXPORT_SYMBOL(flow_rule_match_eth_addrs);

void flow_rule_match_vlan(const struct flow_rule *rule,
			  struct flow_match_vlan *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_VLAN, out);
}
EXPORT_SYMBOL(flow_rule_match_vlan);

void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
				struct flow_match_ipv4_addrs *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS, out);
}
EXPORT_SYMBOL(flow_rule_match_ipv4_addrs);

void flow_rule_match_ipv6_addrs(const struct flow_rule *rule,
				struct flow_match_ipv6_addrs *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS, out);
}
EXPORT_SYMBOL(flow_rule_match_ipv6_addrs);

void flow_rule_match_ip(const struct flow_rule *rule,
			struct flow_match_ip *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_IP, out);
}
EXPORT_SYMBOL(flow_rule_match_ip);

void flow_rule_match_ports(const struct flow_rule *rule,
			   struct flow_match_ports *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_PORTS, out);
}
EXPORT_SYMBOL(flow_rule_match_ports);

void flow_rule_match_tcp(const struct flow_rule *rule,
			 struct flow_match_tcp *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_TCP, out);
}
EXPORT_SYMBOL(flow_rule_match_tcp);

void flow_rule_match_icmp(const struct flow_rule *rule,
			  struct flow_match_icmp *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ICMP, out);
}
EXPORT_SYMBOL(flow_rule_match_icmp);

void flow_rule_match_mpls(const struct flow_rule *rule,
			  struct flow_match_mpls *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_MPLS, out);
}
EXPORT_SYMBOL(flow_rule_match_mpls);

void flow_rule_match_enc_control(const struct flow_rule *rule,
				 struct flow_match_control *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, out);
}
EXPORT_SYMBOL(flow_rule_match_enc_control);

void flow_rule_match_enc_ipv4_addrs(const struct flow_rule *rule,
				    struct flow_match_ipv4_addrs *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, out);
}
EXPORT_SYMBOL(flow_rule_match_enc_ipv4_addrs);

void flow_rule_match_enc_ipv6_addrs(const struct flow_rule *rule,
				    struct flow_match_ipv6_addrs *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, out);
}
EXPORT_SYMBOL(flow_rule_match_enc_ipv6_addrs);

void flow_rule_match_enc_ip(const struct flow_rule *rule,
			    struct flow_match_ip *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_IP, out);
}
EXPORT_SYMBOL(flow_rule_match_enc_ip);

void flow_rule_match_enc_ports(const struct flow_rule *rule,
			       struct flow_match_ports *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, out);
}
EXPORT_SYMBOL(flow_rule_match_enc_ports);

void flow_rule_match_enc_keyid(const struct flow_rule *rule,
			       struct flow_match_enc_keyid *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, out);
}
EXPORT_SYMBOL(flow_rule_match_enc_keyid);

void flow_rule_match_enc_opts(const struct flow_rule *rule,
			      struct flow_match_enc_opts *out)
{
	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_OPTS, out);
}
EXPORT_SYMBOL(flow_rule_match_enc_opts);