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 */