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8f256622 PNA |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #include <linux/kernel.h> | |
3 | #include <linux/slab.h> | |
4 | #include <net/flow_offload.h> | |
5 | ||
e3ab786b | 6 | struct flow_rule *flow_rule_alloc(unsigned int num_actions) |
8f256622 | 7 | { |
e3ab786b PNA |
8 | struct flow_rule *rule; |
9 | ||
10 | rule = kzalloc(sizeof(struct flow_rule) + | |
11 | sizeof(struct flow_action_entry) * num_actions, | |
12 | GFP_KERNEL); | |
13 | if (!rule) | |
14 | return NULL; | |
15 | ||
16 | rule->action.num_entries = num_actions; | |
17 | ||
18 | return rule; | |
8f256622 PNA |
19 | } |
20 | EXPORT_SYMBOL(flow_rule_alloc); | |
21 | ||
22 | #define FLOW_DISSECTOR_MATCH(__rule, __type, __out) \ | |
23 | const struct flow_match *__m = &(__rule)->match; \ | |
24 | struct flow_dissector *__d = (__m)->dissector; \ | |
25 | \ | |
26 | (__out)->key = skb_flow_dissector_target(__d, __type, (__m)->key); \ | |
27 | (__out)->mask = skb_flow_dissector_target(__d, __type, (__m)->mask); \ | |
28 | ||
29 | void flow_rule_match_basic(const struct flow_rule *rule, | |
30 | struct flow_match_basic *out) | |
31 | { | |
32 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_BASIC, out); | |
33 | } | |
34 | EXPORT_SYMBOL(flow_rule_match_basic); | |
35 | ||
36 | void flow_rule_match_control(const struct flow_rule *rule, | |
37 | struct flow_match_control *out) | |
38 | { | |
39 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_CONTROL, out); | |
40 | } | |
41 | EXPORT_SYMBOL(flow_rule_match_control); | |
42 | ||
43 | void flow_rule_match_eth_addrs(const struct flow_rule *rule, | |
44 | struct flow_match_eth_addrs *out) | |
45 | { | |
46 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS, out); | |
47 | } | |
48 | EXPORT_SYMBOL(flow_rule_match_eth_addrs); | |
49 | ||
50 | void flow_rule_match_vlan(const struct flow_rule *rule, | |
51 | struct flow_match_vlan *out) | |
52 | { | |
53 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_VLAN, out); | |
54 | } | |
55 | EXPORT_SYMBOL(flow_rule_match_vlan); | |
56 | ||
bae9ed69 EC |
57 | void flow_rule_match_cvlan(const struct flow_rule *rule, |
58 | struct flow_match_vlan *out) | |
59 | { | |
60 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_CVLAN, out); | |
61 | } | |
62 | EXPORT_SYMBOL(flow_rule_match_cvlan); | |
63 | ||
8f256622 PNA |
64 | void flow_rule_match_ipv4_addrs(const struct flow_rule *rule, |
65 | struct flow_match_ipv4_addrs *out) | |
66 | { | |
67 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS, out); | |
68 | } | |
69 | EXPORT_SYMBOL(flow_rule_match_ipv4_addrs); | |
70 | ||
71 | void flow_rule_match_ipv6_addrs(const struct flow_rule *rule, | |
72 | struct flow_match_ipv6_addrs *out) | |
73 | { | |
74 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS, out); | |
75 | } | |
76 | EXPORT_SYMBOL(flow_rule_match_ipv6_addrs); | |
77 | ||
78 | void flow_rule_match_ip(const struct flow_rule *rule, | |
79 | struct flow_match_ip *out) | |
80 | { | |
81 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_IP, out); | |
82 | } | |
83 | EXPORT_SYMBOL(flow_rule_match_ip); | |
84 | ||
85 | void flow_rule_match_ports(const struct flow_rule *rule, | |
86 | struct flow_match_ports *out) | |
87 | { | |
88 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_PORTS, out); | |
89 | } | |
90 | EXPORT_SYMBOL(flow_rule_match_ports); | |
91 | ||
92 | void flow_rule_match_tcp(const struct flow_rule *rule, | |
93 | struct flow_match_tcp *out) | |
94 | { | |
95 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_TCP, out); | |
96 | } | |
97 | EXPORT_SYMBOL(flow_rule_match_tcp); | |
98 | ||
99 | void flow_rule_match_icmp(const struct flow_rule *rule, | |
100 | struct flow_match_icmp *out) | |
101 | { | |
102 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ICMP, out); | |
103 | } | |
104 | EXPORT_SYMBOL(flow_rule_match_icmp); | |
105 | ||
106 | void flow_rule_match_mpls(const struct flow_rule *rule, | |
107 | struct flow_match_mpls *out) | |
108 | { | |
109 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_MPLS, out); | |
110 | } | |
111 | EXPORT_SYMBOL(flow_rule_match_mpls); | |
112 | ||
113 | void flow_rule_match_enc_control(const struct flow_rule *rule, | |
114 | struct flow_match_control *out) | |
115 | { | |
116 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, out); | |
117 | } | |
118 | EXPORT_SYMBOL(flow_rule_match_enc_control); | |
119 | ||
120 | void flow_rule_match_enc_ipv4_addrs(const struct flow_rule *rule, | |
121 | struct flow_match_ipv4_addrs *out) | |
122 | { | |
123 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, out); | |
124 | } | |
125 | EXPORT_SYMBOL(flow_rule_match_enc_ipv4_addrs); | |
126 | ||
127 | void flow_rule_match_enc_ipv6_addrs(const struct flow_rule *rule, | |
128 | struct flow_match_ipv6_addrs *out) | |
129 | { | |
130 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, out); | |
131 | } | |
132 | EXPORT_SYMBOL(flow_rule_match_enc_ipv6_addrs); | |
133 | ||
134 | void flow_rule_match_enc_ip(const struct flow_rule *rule, | |
135 | struct flow_match_ip *out) | |
136 | { | |
137 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_IP, out); | |
138 | } | |
139 | EXPORT_SYMBOL(flow_rule_match_enc_ip); | |
140 | ||
141 | void flow_rule_match_enc_ports(const struct flow_rule *rule, | |
142 | struct flow_match_ports *out) | |
143 | { | |
144 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, out); | |
145 | } | |
146 | EXPORT_SYMBOL(flow_rule_match_enc_ports); | |
147 | ||
148 | void flow_rule_match_enc_keyid(const struct flow_rule *rule, | |
149 | struct flow_match_enc_keyid *out) | |
150 | { | |
151 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, out); | |
152 | } | |
153 | EXPORT_SYMBOL(flow_rule_match_enc_keyid); | |
154 | ||
155 | void flow_rule_match_enc_opts(const struct flow_rule *rule, | |
156 | struct flow_match_enc_opts *out) | |
157 | { | |
158 | FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ENC_OPTS, out); | |
159 | } | |
160 | EXPORT_SYMBOL(flow_rule_match_enc_opts); |