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#ifndef _NET_FLOW_OFFLOAD_H
#define _NET_FLOW_OFFLOAD_H
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/netlink.h>
#include <net/flow_dissector.h>
#include <linux/rhashtable.h>
struct flow_match {
struct flow_dissector *dissector;
void *mask;
void *key;
};
struct flow_match_meta {
struct flow_dissector_key_meta *key, *mask;
};
struct flow_match_basic {
struct flow_dissector_key_basic *key, *mask;
};
struct flow_match_control {
struct flow_dissector_key_control *key, *mask;
};
struct flow_match_eth_addrs {
struct flow_dissector_key_eth_addrs *key, *mask;
};
struct flow_match_vlan {
struct flow_dissector_key_vlan *key, *mask;
};
struct flow_match_ipv4_addrs {
struct flow_dissector_key_ipv4_addrs *key, *mask;
};
struct flow_match_ipv6_addrs {
struct flow_dissector_key_ipv6_addrs *key, *mask;
};
struct flow_match_ip {
struct flow_dissector_key_ip *key, *mask;
};
struct flow_match_ports {
struct flow_dissector_key_ports *key, *mask;
};
struct flow_match_icmp {
struct flow_dissector_key_icmp *key, *mask;
};
struct flow_match_tcp {
struct flow_dissector_key_tcp *key, *mask;
};
struct flow_match_mpls {
struct flow_dissector_key_mpls *key, *mask;
};
struct flow_match_enc_keyid {
struct flow_dissector_key_keyid *key, *mask;
};
struct flow_match_enc_opts {
struct flow_dissector_key_enc_opts *key, *mask;
};
struct flow_match_ct {
struct flow_dissector_key_ct *key, *mask;
};
struct flow_rule;
void flow_rule_match_meta(const struct flow_rule *rule,
struct flow_match_meta *out);
void flow_rule_match_basic(const struct flow_rule *rule,
struct flow_match_basic *out);
void flow_rule_match_control(const struct flow_rule *rule,
struct flow_match_control *out);
void flow_rule_match_eth_addrs(const struct flow_rule *rule,
struct flow_match_eth_addrs *out);
void flow_rule_match_vlan(const struct flow_rule *rule,
struct flow_match_vlan *out);
void flow_rule_match_cvlan(const struct flow_rule *rule,
struct flow_match_vlan *out);
void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
struct flow_match_ipv4_addrs *out);
void flow_rule_match_ipv6_addrs(const struct flow_rule *rule,
struct flow_match_ipv6_addrs *out);
void flow_rule_match_ip(const struct flow_rule *rule,
struct flow_match_ip *out);
void flow_rule_match_ports(const struct flow_rule *rule,
struct flow_match_ports *out);
void flow_rule_match_tcp(const struct flow_rule *rule,
struct flow_match_tcp *out);
void flow_rule_match_icmp(const struct flow_rule *rule,
struct flow_match_icmp *out);
void flow_rule_match_mpls(const struct flow_rule *rule,
struct flow_match_mpls *out);
void flow_rule_match_enc_control(const struct flow_rule *rule,
struct flow_match_control *out);
void flow_rule_match_enc_ipv4_addrs(const struct flow_rule *rule,
struct flow_match_ipv4_addrs *out);
void flow_rule_match_enc_ipv6_addrs(const struct flow_rule *rule,
struct flow_match_ipv6_addrs *out);
void flow_rule_match_enc_ip(const struct flow_rule *rule,
struct flow_match_ip *out);
void flow_rule_match_enc_ports(const struct flow_rule *rule,
struct flow_match_ports *out);
void flow_rule_match_enc_keyid(const struct flow_rule *rule,
struct flow_match_enc_keyid *out);
void flow_rule_match_enc_opts(const struct flow_rule *rule,
struct flow_match_enc_opts *out);
void flow_rule_match_ct(const struct flow_rule *rule,
struct flow_match_ct *out);
enum flow_action_id {
FLOW_ACTION_ACCEPT = 0,
FLOW_ACTION_DROP,
FLOW_ACTION_TRAP,
FLOW_ACTION_GOTO,
FLOW_ACTION_REDIRECT,
FLOW_ACTION_MIRRED,
FLOW_ACTION_REDIRECT_INGRESS,
FLOW_ACTION_MIRRED_INGRESS,
FLOW_ACTION_VLAN_PUSH,
FLOW_ACTION_VLAN_POP,
FLOW_ACTION_VLAN_MANGLE,
FLOW_ACTION_TUNNEL_ENCAP,
FLOW_ACTION_TUNNEL_DECAP,
FLOW_ACTION_MANGLE,
FLOW_ACTION_ADD,
FLOW_ACTION_CSUM,
FLOW_ACTION_MARK,
FLOW_ACTION_PTYPE,
FLOW_ACTION_PRIORITY,
FLOW_ACTION_WAKE,
FLOW_ACTION_QUEUE,
FLOW_ACTION_SAMPLE,
FLOW_ACTION_POLICE,
FLOW_ACTION_CT,
FLOW_ACTION_CT_METADATA,
FLOW_ACTION_MPLS_PUSH,
FLOW_ACTION_MPLS_POP,
FLOW_ACTION_MPLS_MANGLE,
NUM_FLOW_ACTIONS,
};
/* This is mirroring enum pedit_header_type definition for easy mapping between
* tc pedit action. Legacy TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK is mapped to
* FLOW_ACT_MANGLE_UNSPEC, which is supported by no driver.
*/
enum flow_action_mangle_base {
FLOW_ACT_MANGLE_UNSPEC = 0,
FLOW_ACT_MANGLE_HDR_TYPE_ETH,
FLOW_ACT_MANGLE_HDR_TYPE_IP4,
FLOW_ACT_MANGLE_HDR_TYPE_IP6,
FLOW_ACT_MANGLE_HDR_TYPE_TCP,
FLOW_ACT_MANGLE_HDR_TYPE_UDP,
};
enum flow_action_hw_stats_bit {
FLOW_ACTION_HW_STATS_IMMEDIATE_BIT,
FLOW_ACTION_HW_STATS_DELAYED_BIT,
};
enum flow_action_hw_stats {
FLOW_ACTION_HW_STATS_DISABLED = 0,
FLOW_ACTION_HW_STATS_IMMEDIATE =
BIT(FLOW_ACTION_HW_STATS_IMMEDIATE_BIT),
FLOW_ACTION_HW_STATS_DELAYED = BIT(FLOW_ACTION_HW_STATS_DELAYED_BIT),
FLOW_ACTION_HW_STATS_ANY = FLOW_ACTION_HW_STATS_IMMEDIATE |
FLOW_ACTION_HW_STATS_DELAYED,
};
typedef void (*action_destr)(void *priv);
struct flow_action_cookie {
u32 cookie_len;
u8 cookie[];
};
struct flow_action_cookie *flow_action_cookie_create(void *data,
unsigned int len,
gfp_t gfp);
void flow_action_cookie_destroy(struct flow_action_cookie *cookie);
struct flow_action_entry {
enum flow_action_id id;
enum flow_action_hw_stats hw_stats;
action_destr destructor;
void *destructor_priv;
union {
u32 chain_index; /* FLOW_ACTION_GOTO */
struct net_device *dev; /* FLOW_ACTION_REDIRECT */
struct { /* FLOW_ACTION_VLAN */
u16 vid;
__be16 proto;
u8 prio;
} vlan;
struct { /* FLOW_ACTION_MANGLE */
/* FLOW_ACTION_ADD */
enum flow_action_mangle_base htype;
u32 offset;
u32 mask;
u32 val;
} mangle;
struct ip_tunnel_info *tunnel; /* FLOW_ACTION_TUNNEL_ENCAP */
u32 csum_flags; /* FLOW_ACTION_CSUM */
u32 mark; /* FLOW_ACTION_MARK */
u16 ptype; /* FLOW_ACTION_PTYPE */
u32 priority; /* FLOW_ACTION_PRIORITY */
struct { /* FLOW_ACTION_QUEUE */
u32 ctx;
u32 index;
u8 vf;
} queue;
struct { /* FLOW_ACTION_SAMPLE */
struct psample_group *psample_group;
u32 rate;
u32 trunc_size;
bool truncate;
} sample;
struct { /* FLOW_ACTION_POLICE */
s64 burst;
u64 rate_bytes_ps;
} police;
struct { /* FLOW_ACTION_CT */
int action;
u16 zone;
struct nf_flowtable *flow_table;
} ct;
struct {
unsigned long cookie;
u32 mark;
u32 labels[4];
} ct_metadata;
struct { /* FLOW_ACTION_MPLS_PUSH */
u32 label;
__be16 proto;
u8 tc;
u8 bos;
u8 ttl;
} mpls_push;
struct { /* FLOW_ACTION_MPLS_POP */
__be16 proto;
} mpls_pop;
struct { /* FLOW_ACTION_MPLS_MANGLE */
u32 label;
u8 tc;
u8 bos;
u8 ttl;
}
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