1 #ifndef _NET_FLOW_OFFLOAD_H
2 #define _NET_FLOW_OFFLOAD_H
4 #include <net/flow_dissector.h>
7 struct flow_dissector *dissector;
12 struct flow_match_basic {
13 struct flow_dissector_key_basic *key, *mask;
16 struct flow_match_control {
17 struct flow_dissector_key_control *key, *mask;
20 struct flow_match_eth_addrs {
21 struct flow_dissector_key_eth_addrs *key, *mask;
24 struct flow_match_vlan {
25 struct flow_dissector_key_vlan *key, *mask;
28 struct flow_match_ipv4_addrs {
29 struct flow_dissector_key_ipv4_addrs *key, *mask;
32 struct flow_match_ipv6_addrs {
33 struct flow_dissector_key_ipv6_addrs *key, *mask;
36 struct flow_match_ip {
37 struct flow_dissector_key_ip *key, *mask;
40 struct flow_match_ports {
41 struct flow_dissector_key_ports *key, *mask;
44 struct flow_match_icmp {
45 struct flow_dissector_key_icmp *key, *mask;
48 struct flow_match_tcp {
49 struct flow_dissector_key_tcp *key, *mask;
52 struct flow_match_mpls {
53 struct flow_dissector_key_mpls *key, *mask;
56 struct flow_match_enc_keyid {
57 struct flow_dissector_key_keyid *key, *mask;
60 struct flow_match_enc_opts {
61 struct flow_dissector_key_enc_opts *key, *mask;
66 void flow_rule_match_basic(const struct flow_rule *rule,
67 struct flow_match_basic *out);
68 void flow_rule_match_control(const struct flow_rule *rule,
69 struct flow_match_control *out);
70 void flow_rule_match_eth_addrs(const struct flow_rule *rule,
71 struct flow_match_eth_addrs *out);
72 void flow_rule_match_vlan(const struct flow_rule *rule,
73 struct flow_match_vlan *out);
74 void flow_rule_match_cvlan(const struct flow_rule *rule,
75 struct flow_match_vlan *out);
76 void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
77 struct flow_match_ipv4_addrs *out);
78 void flow_rule_match_ipv6_addrs(const struct flow_rule *rule,
79 struct flow_match_ipv6_addrs *out);
80 void flow_rule_match_ip(const struct flow_rule *rule,
81 struct flow_match_ip *out);
82 void flow_rule_match_ports(const struct flow_rule *rule,
83 struct flow_match_ports *out);
84 void flow_rule_match_tcp(const struct flow_rule *rule,
85 struct flow_match_tcp *out);
86 void flow_rule_match_icmp(const struct flow_rule *rule,
87 struct flow_match_icmp *out);
88 void flow_rule_match_mpls(const struct flow_rule *rule,
89 struct flow_match_mpls *out);
90 void flow_rule_match_enc_control(const struct flow_rule *rule,
91 struct flow_match_control *out);
92 void flow_rule_match_enc_ipv4_addrs(const struct flow_rule *rule,
93 struct flow_match_ipv4_addrs *out);
94 void flow_rule_match_enc_ipv6_addrs(const struct flow_rule *rule,
95 struct flow_match_ipv6_addrs *out);
96 void flow_rule_match_enc_ip(const struct flow_rule *rule,
97 struct flow_match_ip *out);
98 void flow_rule_match_enc_ports(const struct flow_rule *rule,
99 struct flow_match_ports *out);
100 void flow_rule_match_enc_keyid(const struct flow_rule *rule,
101 struct flow_match_enc_keyid *out);
102 void flow_rule_match_enc_opts(const struct flow_rule *rule,
103 struct flow_match_enc_opts *out);
105 enum flow_action_id {
106 FLOW_ACTION_ACCEPT = 0,
110 FLOW_ACTION_REDIRECT,
112 FLOW_ACTION_VLAN_PUSH,
113 FLOW_ACTION_VLAN_POP,
114 FLOW_ACTION_VLAN_MANGLE,
115 FLOW_ACTION_TUNNEL_ENCAP,
116 FLOW_ACTION_TUNNEL_DECAP,
127 /* This is mirroring enum pedit_header_type definition for easy mapping between
128 * tc pedit action. Legacy TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK is mapped to
129 * FLOW_ACT_MANGLE_UNSPEC, which is supported by no driver.
131 enum flow_action_mangle_base {
132 FLOW_ACT_MANGLE_UNSPEC = 0,
133 FLOW_ACT_MANGLE_HDR_TYPE_ETH,
134 FLOW_ACT_MANGLE_HDR_TYPE_IP4,
135 FLOW_ACT_MANGLE_HDR_TYPE_IP6,
136 FLOW_ACT_MANGLE_HDR_TYPE_TCP,
137 FLOW_ACT_MANGLE_HDR_TYPE_UDP,
140 struct flow_action_entry {
141 enum flow_action_id id;
143 u32 chain_index; /* FLOW_ACTION_GOTO */
144 struct net_device *dev; /* FLOW_ACTION_REDIRECT */
145 struct { /* FLOW_ACTION_VLAN */
150 struct { /* FLOW_ACTION_PACKET_EDIT */
151 enum flow_action_mangle_base htype;
156 const struct ip_tunnel_info *tunnel; /* FLOW_ACTION_TUNNEL_ENCAP */
157 u32 csum_flags; /* FLOW_ACTION_CSUM */
158 u32 mark; /* FLOW_ACTION_MARK */
159 struct { /* FLOW_ACTION_QUEUE */
164 struct { /* FLOW_ACTION_SAMPLE */
165 struct psample_group *psample_group;
170 struct { /* FLOW_ACTION_POLICE */
178 unsigned int num_entries;
179 struct flow_action_entry entries[0];
182 static inline bool flow_action_has_entries(const struct flow_action *action)
184 return action->num_entries;
188 * flow_action_has_one_action() - check if exactly one action is present
189 * @action: tc filter flow offload action
191 * Returns true if exactly one action is present.
193 static inline bool flow_offload_has_one_action(const struct flow_action *action)
195 return action->num_entries == 1;
198 #define flow_action_for_each(__i, __act, __actions) \
199 for (__i = 0, __act = &(__actions)->entries[0]; __i < (__actions)->num_entries; __act = &(__actions)->entries[++__i])
202 struct flow_match match;
203 struct flow_action action;
206 struct flow_rule *flow_rule_alloc(unsigned int num_actions);
208 static inline bool flow_rule_match_key(const struct flow_rule *rule,
209 enum flow_dissector_key_id key)
211 return dissector_uses_key(rule->match.dissector, key);
220 static inline void flow_stats_update(struct flow_stats *flow_stats,
221 u64 bytes, u64 pkts, u64 lastused)
223 flow_stats->pkts += pkts;
224 flow_stats->bytes += bytes;
225 flow_stats->lastused = max_t(u64, flow_stats->lastused, lastused);
228 #endif /* _NET_FLOW_OFFLOAD_H */