FM / net

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/net/

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/net

Name	Size	Mode	Actions
9p/	-	0755	rm
bluetooth/	-	0755	rm
caif/	-	0755	rm
iucv/	-	0755	rm
mana/	-	0755	rm
netfilter/	-	0755	rm
netns/	-	0755	rm
nfc/	-	0755	rm
phonet/	-	0755	rm
sctp/	-	0755	rm
tc_act/	-	0755	rm
6lowpan.h	10271	0644	edit dl rm
act_api.h	9559	0644	edit dl rm
addrconf.h	13826	0644	edit dl rm
af_ieee802154.h	1591	0644	edit dl rm
af_rxrpc.h	2976	0644	edit dl rm
af_unix.h	2272	0644	edit dl rm
af_vsock.h	7295	0644	edit dl rm
ah.h	382	0644	edit dl rm
arp.h	2052	0644	edit dl rm
atmclip.h	1515	0644	edit dl rm
ax25.h	14999	0644	edit dl rm
ax88796.h	1488	0644	edit dl rm
bareudp.h	333	0644	edit dl rm
bonding.h	20225	0644	edit dl rm
bond_3ad.h	9629	0644	edit dl rm
bond_alb.h	6251	0644	edit dl rm
bond_options.h	3916	0644	edit dl rm
bpf_sk_storage.h	1802	0644	edit dl rm
busy_poll.h	4973	0644	edit dl rm
calipso.h	2199	0644	edit dl rm
cfg80211-wext.h	1900	0644	edit dl rm
cfg80211.h	325844	0644	edit dl rm
cfg802154.h	11175	0644	edit dl rm
checksum.h	4850	0644	edit dl rm
cipso_ipv4.h	8399	0644	edit dl rm
cls_cgroup.h	2301	0644	edit dl rm
codel.h	6000	0644	edit dl rm
codel_impl.h	8500	0644	edit dl rm
codel_qdisc.h	3001	0644	edit dl rm
compat.h	1711	0644	edit dl rm
datalink.h	619	0644	edit dl rm
dcbevent.h	1293	0644	edit dl rm
dcbnl.h	5267	0644	edit dl rm
devlink.h	64711	0644	edit dl rm
dn.h	7046	0644	edit dl rm
dn_dev.h	5488	0644	edit dl rm
dn_fib.h	4077	0644	edit dl rm
dn_neigh.h	968	0644	edit dl rm
dn_nsp.h	5966	0644	edit dl rm
dn_route.h	4500	0644	edit dl rm
dropreason-core.h	12063	0644	edit dl rm
drop_monitor.h	901	0644	edit dl rm
dsa.h	16605	0644	edit dl rm
dsfield.h	1139	0644	edit dl rm
dst.h	14870	0644	edit dl rm
dst_cache.h	2596	0644	edit dl rm
dst_metadata.h	5521	0644	edit dl rm
dst_ops.h	2564	0644	edit dl rm
erspan.h	8527	0644	edit dl rm
esp.h	1190	0644	edit dl rm
espintcp.h	966	0644	edit dl rm
ethoc.h	537	0644	edit dl rm
failover.h	1178	0644	edit dl rm
fib_notifier.h	1476	0644	edit dl rm
fib_rules.h	5728	0644	edit dl rm
firewire.h	636	0644	edit dl rm
flow.h	6353	0644	edit dl rm
flow_dissector.h	11284	0644	edit dl rm
flow_offload.h	17797	0644	edit dl rm
fou.h	549	0644	edit dl rm
fq.h	2497	0644	edit dl rm
fq_impl.h	8144	0644	edit dl rm
garp.h	2678	0644	edit dl rm
genetlink.h	14647	0644	edit dl rm
geneve.h	1898	0644	edit dl rm
gen_stats.h	3034	0644	edit dl rm
gre.h	3377	0644	edit dl rm
gro_cells.h	443	0644	edit dl rm
gtp.h	633	0644	edit dl rm
gue.h	3311	0644	edit dl rm
hwbm.h	937	0644	edit dl rm
icmp.h	1765	0644	edit dl rm
ieee80211_radiotap.h	23017	0644	edit dl rm
ieee802154_netdev.h	9358	0644	edit dl rm
ife.h	1057	0644	edit dl rm
if_inet6.h	6591	0644	edit dl rm
ila.h	498	0644	edit dl rm
inet6_connection_sock.h	976	0644	edit dl rm
inet6_hashtables.h	3746	0644	edit dl rm
inetpeer.h	3372	0644	edit dl rm
inet_common.h	2614	0644	edit dl rm
inet_connection_sock.h	12070	0644	edit dl rm
inet_ecn.h	8071	0644	edit dl rm
inet_frag.h	4816	0644	edit dl rm
inet_hashtables.h	13847	0644	edit dl rm
inet_sock.h	9828	0644	edit dl rm
inet_timewait_sock.h	3926	0644	edit dl rm
ip.h	21354	0644	edit dl rm
ip6_checksum.h	2981	0644	edit dl rm
ip6_fib.h	13766	0644	edit dl rm
ip6_route.h	9228	0644	edit dl rm
ip6_tunnel.h	5096	0644	edit dl rm
ipcomp.h	659	0644	edit dl rm
ipconfig.h	811	0644	edit dl rm
ipv6.h	32741	0644	edit dl rm
ipv6_frag.h	3321	0644	edit dl rm
ipv6_stubs.h	2671	0644	edit dl rm
ipx.h	4386	0644	edit dl rm
ip_fib.h	14290	0644	edit dl rm
ip_tunnels.h	14697	0644	edit dl rm
ip_vs.h	49407	0644	edit dl rm
iw_handler.h	21413	0644	edit dl rm
kcm.h	5083	0644	edit dl rm
l3mdev.h	6743	0644	edit dl rm
lag.h	409	0644	edit dl rm
lapb.h	4869	0644	edit dl rm
lib80211.h	4017	0644	edit dl rm
llc.h	4464	0644	edit dl rm
llc_conn.h	4155	0644	edit dl rm
llc_c_ac.h	9537	0644	edit dl rm
llc_c_ev.h	10940	0644	edit dl rm
llc_c_st.h	1762	0644	edit dl rm
llc_if.h	2210	0644	edit dl rm
llc_pdu.h	14783	0644	edit dl rm
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llc_s_ac.h	1591	0644	edit dl rm
llc_s_ev.h	2255	0644	edit dl rm
llc_s_st.h	947	0644	edit dl rm
lwtunnel.h	6563	0644	edit dl rm
mac80211.h	294437	0644	edit dl rm
mac802154.h	15633	0644	edit dl rm
mip6.h	1617	0644	edit dl rm
mld.h	2870	0644	edit dl rm
mpls.h	1340	0644	edit dl rm
mpls_iptunnel.h	827	0644	edit dl rm
mptcp.h	6242	0644	edit dl rm
mrp.h	3103	0644	edit dl rm
ncsi.h	1964	0644	edit dl rm
ndisc.h	15095	0644	edit dl rm
neighbour.h	16289	0644	edit dl rm
netdev_queues.h	5609	0644	edit dl rm
netevent.h	1044	0644	edit dl rm
netlabel.h	21236	0644	edit dl rm
netlink.h	63253	0644	edit dl rm
netprio_cgroup.h	1260	0644	edit dl rm
netrom.h	7896	0644	edit dl rm
net_failover.h	1023	0644	edit dl rm
net_namespace.h	14177	0644	edit dl rm
net_ratelimit.h	220	0644	edit dl rm
nexthop.h	865	0644	edit dl rm
nl802154.h	12385	0644	edit dl rm
nsh.h	12602	0644	edit dl rm
p8022.h	447	0644	edit dl rm
page_pool.h	6985	0644	edit dl rm
pie.h	3684	0644	edit dl rm
ping.h	3197	0644	edit dl rm
pkt_cls.h	26178	0644	edit dl rm
pkt_sched.h	6543	0644	edit dl rm
pptp.h	557	0644	edit dl rm
protocol.h	4320	0644	edit dl rm
psample.h	1083	0644	edit dl rm
psnap.h	351	0644	edit dl rm
raw.h	2161	0644	edit dl rm
rawv6.h	856	0644	edit dl rm
red.h	11600	0644	edit dl rm
regulatory.h	10961	0644	edit dl rm
request_sock.h	6871	0644	edit dl rm
rose.h	7802	0644	edit dl rm
route.h	11390	0644	edit dl rm
rsi_91x.h	1710	0644	edit dl rm
rtnetlink.h	7317	0644	edit dl rm
sch_generic.h	33841	0644	edit dl rm
scm.h	3671	0644	edit dl rm
secure_seq.h	855	0644	edit dl rm
seg6.h	1874	0644	edit dl rm
seg6_hmac.h	1699	0644	edit dl rm
seg6_local.h	870	0644	edit dl rm
slhc_vj.h	6831	0644	edit dl rm
smc.h	2155	0644	edit dl rm
snmp.h	5482	0644	edit dl rm
sock.h	79182	0644	edit dl rm
sock_reuseport.h	1565	0644	edit dl rm
Space.h	1094	0644	edit dl rm
stp.h	383	0644	edit dl rm
strparser.h	4340	0644	edit dl rm
switchdev.h	17812	0644	edit dl rm
tcp.h	73206	0644	edit dl rm
tcp_states.h	1540	0644	edit dl rm
tc_wrapper.h	7033	0644	edit dl rm
timewait_sock.h	1136	0644	edit dl rm
tipc.h	2405	0644	edit dl rm
tls.h	21363	0644	edit dl rm
tls_toe.h	3006	0644	edit dl rm
transp_v6.h	1996	0644	edit dl rm
tso.h	515	0644	edit dl rm
tun_proto.h	988	0644	edit dl rm
udp.h	16481	0644	edit dl rm
udplite.h	3762	0644	edit dl rm
udp_tunnel.h	13376	0644	edit dl rm
vsock_addr.h	662	0644	edit dl rm
vxlan.h	13541	0644	edit dl rm
wext.h	1510	0644	edit dl rm
wimax.h	20445	0644	edit dl rm
x25.h	9658	0644	edit dl rm
x25device.h	387	0644	edit dl rm
xdp.h	9436	0644	edit dl rm
xdp_priv.h	446	0644	edit dl rm
xdp_sock.h	2094	0644	edit dl rm
xdp_sock_drv.h	6423	0644	edit dl rm
xfrm.h	59628	0644	edit dl rm
xsk_buff_pool.h	6550	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/net/flow_offload.h (17797B)

#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>

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_arp {
	struct flow_dissector_key_arp *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_ports_range {
	struct flow_dissector_key_ports_range *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_match_pppoe {
	struct flow_dissector_key_pppoe *key, *mask;
};

struct flow_match_l2tpv3 {
	struct flow_dissector_key_l2tpv3 *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_arp(const struct flow_rule *rule,
			 struct flow_match_arp *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_ports_range(const struct flow_rule *rule,
				 struct flow_match_ports_range *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);
void flow_rule_match_pppoe(const struct flow_rule *rule,
			   struct flow_match_pppoe *out);
void flow_rule_match_l2tpv3(const struct flow_rule *rule,
			    struct flow_match_l2tpv3 *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_RX_QUEUE_MAPPING,
	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,
	FLOW_ACTION_GATE,
	FLOW_ACTION_PPPOE_PUSH,
	FLOW_ACTION_JUMP,
	FLOW_ACTION_PIPE,
	FLOW_ACTION_VLAN_PUSH_ETH,
	FLOW_ACTION_VLAN_POP_ETH,
	FLOW_ACTION_CONTINUE,
	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,
	FLOW_ACTION_HW_STATS_DISABLED_BIT,

FLOW_ACTION_HW_STATS_NUM_BITS
};

enum flow_action_hw_stats {
	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,
	FLOW_ACTION_HW_STATS_DISABLED =
		BIT(FLOW_ACTION_HW_STATS_DISABLED_BIT),
	FLOW_ACTION_HW_STATS_DONT_CARE = BIT(FLOW_ACTION_HW_STATS_NUM_BITS) - 1,
};

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;
	u32				hw_index;
	unsigned long			cookie;
	u64				miss_cookie;
	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_VLAN_PUSH_ETH */
			unsigned char dst[ETH_ALEN];
			unsigned char src[ETH_ALEN];
		} vlan_push_eth;
		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 */
		u16			rx_queue;	/* FLOW_ACTION_RX_QUEUE_MAPPING */
		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 */
			u32			burst;
			u64			rate_bytes_ps;
			u64			peakrate_bytes_ps;
			u32			avrate;
			u16			overhead;
			u64			burst_pkt;
			u64			rate_pkt_ps;
			u32			mtu;
			struct {
				enum flow_action_id	act_id;
				u32			extval;
			} exceed, notexceed;
		} police;
		struct {				/* FLOW_ACTION_CT */
			int action;
			u16 zone;
			struct nf_flowtable *flow_table;
		} ct;
		struct {
			unsigned long cookie;
			u32 mark;
			u32 labels[4];
			bool orig_dir;
		} 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;
		} mpls_mangle;
		struct {
			s32		prio;
			u64		basetime;
			u64		cycletime;
			u64		cycletimeext;
			u32		num_entries;
			struct action_gate_entry *entries;
		} gate;
		struct {				/* FLOW_ACTION_PPPOE_PUSH */
			u16		sid;
		} pppoe;
	};
	struct flow_action_cookie *user_cookie; /* user defined action cookie */
};

struct flow_action {
	unsigned int			num_entries;
	struct flow_action_entry	entries[];
};

static inline bool flow_action_has_entries(const struct flow_action *action)
{
	return action->num_entries;
}

/**
 * flow_offload_has_one_action() - check if exactly one action is present
 * @action: tc filter flow offload action
 *
 * Returns true if exactly one action is present.
 */
static inline bool flow_offload_has_one_action(const struct flow_action *action)
{
	return action->num_entries == 1;
}

static inline bool flow_action_is_last_entry(const struct flow_action *action,
					     const struct flow_action_entry *entry)
{
	return entry == &action->entries[action->num_entries - 1];
}

#define flow_action_for_each(__i, __act, __actions)			\
        for (__i = 0, __act = &(__actions)->entries[0];			\
	     __i < (__actions)->num_entries;				\
	     __act = &(__actions)->entries[++__i])

static inline bool
flow_action_mixed_hw_stats_check(const struct flow_action *action,
				 struct netlink_ext_ack *extack)
{
	const struct flow_action_entry *action_entry;
	u8 last_hw_stats;
	int i;

if (flow_offload_has_one_action(action))
		return true;

flow_action_for_each(i, action_entry, action) {
		if (i && action_entry->hw_stats != last_hw_stats) {
			NL_SET_ERR_MSG_MOD(extack, "Mixing HW stats types for actions is not supported");
			return false;
		}
		last_hw_stats = action_entry->hw_stats;
	}
	return true;
}

static inline const struct flow_action_entry *
flow_action_first_entry_get(const struct flow_action *action)
{
	WARN_ON(!flow_action_has_entries(action));
	return &action->entries[0];
}

static inline bool
__flow_action_hw_stats_check(const struct flow_action *action,
			     struct netlink_ext_ack *extack,
			     bool check_allow_bit,
			     enum flow_action_hw_stats_bit allow_bit)
{
	const struct flow_action_entry *action_entry;

if (!flow_action_has_entries(action))
		return true;
	if (!flow_action_mixed_hw_stats_check(action, extack))
		return false;

action_entry = flow_action_first_entry_get(action);

/* Zero is not a legal value for hw_stats, catch anyone passing it */
	WARN_ON_ONCE(!action_entry->hw_stats);

if (!check_allow_bit &&
	    ~action_entry->hw_stats & FLOW_ACTION_HW_STATS_ANY) {
		NL_SET_ERR_MSG_MOD(extack, "Driver supports only default HW stats type \"any\"");
		return false;
	} else if (check_allow_bit &&
		   !(action_entry->hw_stats & BIT(allow_bit))) {
		NL_SET_ERR_MSG_MOD(extack, "Driver does not support selected HW stats type");
		return false;
	}
	return true;
}

static inline bool
flow_action_hw_stats_check(const struct flow_action *action,
			   struct netlink_ext_ack *extack,
			   enum flow_action_hw_stats_bit allow_bit)
{
	return __flow_action_hw_stats_check(action, extack, true, allow_bit);
}

static inline bool
flow_action_basic_hw_stats_check(const struct flow_action *action,
				 struct netlink_ext_ack *extack)
{
	return __flow_action_hw_stats_check(action, extack, false, 0);
}

struct flow_rule {
	struct flow_match	match;
	struct flow_action	action;
};

struct flow_rule *flow_rule_alloc(unsigned int num_actions);

static inline bool flow_rule_match_key(const struct flow_rule *rule,
				       enum flow_dissector_key_id key)
{
	return dissector_uses_key(rule->match.dissector, key);
}

struct flow_stats {
	u64	pkts;
	u64	bytes;
	u64	drops;
	u64	lastused;
	enum flow_action_hw_stats used_hw_stats;
	bool used_hw_stats_valid;
};

static inline void flow_stats_update(struct flow_stats *flow_stats,
				     u64 bytes, u64 pkts,
				     u64 drops, u64 lastused,
				     enum flow_action_hw_stats used_hw_stats)
{
	flow_stats->pkts	+= pkts;
	flow_stats->bytes	+= bytes;
	flow_stats->drops	+= drops;
	flow_stats->lastused	= max_t(u64, flow_stats->lastused, lastused);

/* The driver should pass value with a maximum of one bit set.
	 * Passing FLOW_ACTION_HW_STATS_ANY is invalid.
	 */
	WARN_ON(used_hw_stats == FLOW_ACTION_HW_STATS_ANY);
	flow_stats->used_hw_stats |= used_hw_stats;
	flow_stats->used_hw_stats_valid = true;
}

enum flow_block_command {
	FLOW_BLOCK_BIND,
	FLOW_BLOCK_UNBIND,
};

enum flow_block_binder_type {
	FLOW_BLOCK_BINDER_TYPE_UNSPEC,
	FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS,
	FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS,
	FLOW_BLOCK_BINDER_TYPE_RED_EARLY_DROP,
	FLOW_BLOCK_BINDER_TYPE_RED_MARK,
};

struct flow_block {
	struct list_head cb_list;
};

struct netlink_ext_ack;

struct flow_block_offload {
	enum flow_block_command command;
	enum flow_block_binder_type binder_type;
	bool block_shared;
	bool unlocked_driver_cb;
	struct net *net;
	struct flow_block *block;
	struct list_head cb_list;
	struct list_head *driver_block_list;
	struct netlink_ext_ack *extack;
	struct Qdisc *sch;
	struct list_head *cb_list_head;
};

enum tc_setup_type;
typedef int flow_setup_cb_t(enum tc_setup_type type, void *type_data,
			    void *cb_priv);

struct flow_block_cb;

struct flow_block_indr {
	struct list_head		list;
	struct net_device		*dev;
	struct Qdisc			*sch;
	enum flow_block_binder_type	binder_type;
	void				*data;
	void				*cb_priv;
	void				(*cleanup)(struct flow_block_cb *block_cb);
};

struct flow_block_cb {
	struct list_head	driver_list;
	struct list_head	list;
	flow_setup_cb_t		*cb;
	void			*cb_ident;
	void			*cb_priv;
	void			(*release)(void *cb_priv);
	struct flow_block_indr	indr;
	unsigned int		refcnt;
};

struct flow_block_cb *flow_block_cb_alloc(flow_setup_cb_t *cb,
					  void *cb_ident, void *cb_priv,
					  void (*release)(void *cb_priv));
struct flow_block_cb *flow_indr_block_cb_alloc(flow_setup_cb_t *cb,
					       void *cb_ident, void *cb_priv,
					       void (*release)(void *cb_priv),
					       struct flow_block_offload *bo,
					       struct net_device *dev,
					       struct Qdisc *sch, void *data,
					       void *indr_cb_priv,
					       void (*cleanup)(struct flow_block_cb *block_cb));
void flow_block_cb_free(struct flow_block_cb *block_cb);

struct flow_block_cb *flow_block_cb_lookup(struct flow_block *block,
					   flow_setup_cb_t *cb, void *cb_ident);

void *flow_block_cb_priv(struct flow_block_cb *block_cb);
void flow_block_cb_incref(struct flow_block_cb *block_cb);
unsigned int flow_block_cb_decref(struct flow_block_cb *block_cb);

static inline void flow_block_cb_add(struct flow_block_cb *block_cb,
				     struct flow_block_offload *offload)
{
	list_add_tail(&block_cb->list, &offload->cb_list);
}

static inline void flow_block_cb_remove(struct flow_block_cb *block_cb,
					struct flow_block_offload *offload)
{
	list_move(&block_cb->list, &offload->cb_list);
}

static inline void flow_indr_block_cb_remove(struct flow_block_cb *block_cb,
					     struct flow_block_offload *offload)
{
	list_del(&block_cb->indr.list);
	list_move(&block_cb->list, &offload->cb_list);
}

bool flow_block_cb_is_busy(flow_setup_cb_t *cb, void *cb_ident,
			   struct list_head *driver_block_list);

/* RHEL: Increase the version of flow_block_cb_setup_simple() when TC subsystem
 * is changed in a kABI incompatible way. This includes changes to ndo_setup_tc,
 * inline function changes and TC structs changes.
 */
RH_KABI_FORCE_CHANGE(1)
int flow_block_cb_setup_simple(struct flow_block_offload *f,
			       struct list_head *driver_list,
			       flow_setup_cb_t *cb,
			       void *cb_ident, void *cb_priv, bool ingress_only);

enum flow_cls_command {
	FLOW_CLS_REPLACE,
	FLOW_CLS_DESTROY,
	FLOW_CLS_STATS,
	FLOW_CLS_TMPLT_CREATE,
	FLOW_CLS_TMPLT_DESTROY,
};

struct flow_cls_common_offload {
	u32 chain_index;
	__be16 protocol;
	u32 prio;
	struct netlink_ext_ack *extack;
};

struct flow_cls_offload {
	struct flow_cls_common_offload common;
	enum flow_cls_command command;
	bool use_act_stats;
	unsigned long cookie;
	struct flow_rule *rule;
	struct flow_stats stats;
	u32 classid;
};

enum offload_act_command  {
	FLOW_ACT_REPLACE,
	FLOW_ACT_DESTROY,
	FLOW_ACT_STATS,
};

struct flow_offload_action {
	struct netlink_ext_ack *extack; /* NULL in FLOW_ACT_STATS process*/
	enum offload_act_command  command;
	enum flow_action_id id;
	u32 index;
	unsigned long cookie;
	struct flow_stats stats;
	struct flow_action action;
};

struct flow_offload_action *offload_action_alloc(unsigned int num_actions);

static inline struct flow_rule *
flow_cls_offload_flow_rule(struct flow_cls_offload *flow_cmd)
{
	return flow_cmd->rule;
}

static inline void flow_block_init(struct flow_block *flow_block)
{
	INIT_LIST_HEAD(&flow_block->cb_list);
}

typedef int flow_indr_block_bind_cb_t(struct net_device *dev, struct Qdisc *sch, void *cb_priv,
				      enum tc_setup_type type, void *type_data,
				      void *data,
				      void (*cleanup)(struct flow_block_cb *block_cb));

int flow_indr_dev_register(flow_indr_block_bind_cb_t *cb, void *cb_priv);
void flow_indr_dev_unregister(flow_indr_block_bind_cb_t *cb, void *cb_priv,
			      void (*release)(void *cb_priv));
int flow_indr_dev_setup_offload(struct net_device *dev, struct Qdisc *sch,
				enum tc_setup_type type, void *data,
				struct flow_block_offload *bo,
				void (*cleanup)(struct flow_block_cb *block_cb));

#endif /* _NET_FLOW_OFFLOAD_H */

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