FM / net

/usr/src/linux-headers-5.15.0-190/include/net/

/usr/src/linux-headers-5.15.0-190/include/net

Name	Size	Mode	Actions
9p/	-	0755	rm
bluetooth/	-	0755	rm
caif/	-	0755	rm
iucv/	-	0755	rm
netfilter/	-	0755	rm
netns/	-	0755	rm
nfc/	-	0755	rm
phonet/	-	0755	rm
sctp/	-	0755	rm
tc_act/	-	0755	rm
6lowpan.h	10270	0644	edit dl rm
act_api.h	8728	0644	edit dl rm
addrconf.h	14594	0644	edit dl rm
af_ieee802154.h	1220	0644	edit dl rm
af_rxrpc.h	2798	0644	edit dl rm
af_unix.h	3375	0644	edit dl rm
af_vsock.h	7592	0644	edit dl rm
ah.h	382	0644	edit dl rm
arp.h	2141	0644	edit dl rm
atmclip.h	1515	0644	edit dl rm
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bond_options.h	3876	0644	edit dl rm
bpf_sk_storage.h	1780	0644	edit dl rm
busy_poll.h	3959	0644	edit dl rm
calipso.h	1590	0644	edit dl rm
cfg80211-wext.h	1854	0644	edit dl rm
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cfg802154.h	10779	0644	edit dl rm
checksum.h	4869	0644	edit dl rm
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cls_cgroup.h	2086	0644	edit dl rm
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gue.h	3313	0644	edit dl rm
hwbm.h	969	0644	edit dl rm
icmp.h	1918	0644	edit dl rm
ieee80211_radiotap.h	13518	0644	edit dl rm
ieee802154_netdev.h	10095	0644	edit dl rm
ife.h	1057	0644	edit dl rm
if_inet6.h	6692	0644	edit dl rm
ila.h	291	0644	edit dl rm
inet6_connection_sock.h	765	0644	edit dl rm
inet6_hashtables.h	4259	0644	edit dl rm
inetpeer.h	3372	0644	edit dl rm
inet_common.h	2614	0644	edit dl rm
inet_connection_sock.h	11608	0644	edit dl rm
inet_ecn.h	7625	0644	edit dl rm
inet_frag.h	5046	0644	edit dl rm
inet_hashtables.h	12532	0644	edit dl rm
inet_sock.h	9994	0644	edit dl rm
inet_timewait_sock.h	3735	0644	edit dl rm
ioam6.h	1248	0644	edit dl rm
ip.h	22759	0644	edit dl rm
ip6_checksum.h	2770	0644	edit dl rm
ip6_fib.h	16280	0644	edit dl rm
ip6_route.h	10230	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	35990	0644	edit dl rm
ipv6_frag.h	3361	0644	edit dl rm
ipv6_stubs.h	3482	0644	edit dl rm
ip_fib.h	16346	0644	edit dl rm
ip_tunnels.h	15949	0644	edit dl rm
ip_vs.h	50588	0644	edit dl rm
iw_handler.h	21413	0644	edit dl rm
kcm.h	4961	0644	edit dl rm
l3mdev.h	7202	0644	edit dl rm
lag.h	409	0644	edit dl rm
lapb.h	4938	0644	edit dl rm
lib80211.h	4017	0644	edit dl rm
llc.h	4514	0644	edit dl rm
llc_conn.h	4155	0644	edit dl rm
llc_c_ac.h	9537	0644	edit dl rm
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llc_c_st.h	1762	0644	edit dl rm
llc_if.h	2210	0644	edit dl rm
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llc_s_ev.h	2255	0644	edit dl rm
llc_s_st.h	947	0644	edit dl rm
lwtunnel.h	6806	0644	edit dl rm
mac80211.h	274120	0644	edit dl rm
mac802154.h	15235	0644	edit dl rm
macsec.h	7084	0644	edit dl rm
mctp.h	6155	0644	edit dl rm
mctpdevice.h	841	0644	edit dl rm
mip6.h	1016	0644	edit dl rm
mld.h	2918	0644	edit dl rm
mpls.h	943	0644	edit dl rm
mpls_iptunnel.h	429	0644	edit dl rm
mptcp.h	6776	0644	edit dl rm
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neighbour.h	16099	0644	edit dl rm
netevent.h	1044	0644	edit dl rm
netlabel.h	20676	0644	edit dl rm
netlink.h	61892	0644	edit dl rm
netprio_cgroup.h	1047	0644	edit dl rm
netrom.h	7895	0644	edit dl rm
net_failover.h	1023	0644	edit dl rm
net_namespace.h	12795	0644	edit dl rm
net_ratelimit.h	220	0644	edit dl rm
nexthop.h	12565	0644	edit dl rm
nl802154.h	12384	0644	edit dl rm
nsh.h	12602	0644	edit dl rm
p8022.h	447	0644	edit dl rm
page_pool.h	8646	0644	edit dl rm
pie.h	3695	0644	edit dl rm
ping.h	2970	0644	edit dl rm
pkt_cls.h	24431	0644	edit dl rm
pkt_sched.h	6042	0644	edit dl rm
pptp.h	557	0644	edit dl rm
protocol.h	3900	0644	edit dl rm
psample.h	1083	0644	edit dl rm
psnap.h	351	0644	edit dl rm
raw.h	2136	0644	edit dl rm
rawv6.h	854	0644	edit dl rm
red.h	11600	0644	edit dl rm
regulatory.h	10901	0644	edit dl rm
request_sock.h	6660	0644	edit dl rm
rose.h	7802	0644	edit dl rm
route.h	11361	0644	edit dl rm
rpl.h	839	0644	edit dl rm
rsi_91x.h	1710	0644	edit dl rm
rtnetlink.h	7638	0644	edit dl rm
rtnh.h	859	0644	edit dl rm
sch_generic.h	34991	0644	edit dl rm
scm.h	3877	0644	edit dl rm
secure_seq.h	855	0644	edit dl rm
seg6.h	2237	0644	edit dl rm
seg6_hmac.h	1473	0644	edit dl rm
seg6_local.h	644	0644	edit dl rm
selftests.h	582	0644	edit dl rm
slhc_vj.h	6831	0644	edit dl rm
smc.h	2513	0644	edit dl rm
snmp.h	5268	0644	edit dl rm
sock.h	86351	0644	edit dl rm
sock_reuseport.h	1873	0644	edit dl rm
Space.h	737	0644	edit dl rm
stp.h	383	0644	edit dl rm
strparser.h	4250	0644	edit dl rm
switchdev.h	14614	0644	edit dl rm
tcp.h	75327	0644	edit dl rm
tcp_states.h	1225	0644	edit dl rm
timewait_sock.h	925	0644	edit dl rm
tipc.h	2405	0644	edit dl rm
tls.h	21465	0644	edit dl rm
tls_toe.h	3006	0644	edit dl rm
transp_v6.h	1996	0644	edit dl rm
tso.h	566	0644	edit dl rm
tun_proto.h	988	0644	edit dl rm
udp.h	17035	0644	edit dl rm
udplite.h	3762	0644	edit dl rm
udp_tunnel.h	12739	0644	edit dl rm
vsock_addr.h	662	0644	edit dl rm
vxlan.h	14424	0644	edit dl rm
wext.h	1510	0644	edit dl rm
x25.h	9718	0644	edit dl rm
x25device.h	387	0644	edit dl rm
xdp.h	8829	0644	edit dl rm
xdp_priv.h	446	0644	edit dl rm
xdp_sock.h	2094	0644	edit dl rm
xdp_sock_drv.h	5607	0644	edit dl rm
xfrm.h	56304	0644	edit dl rm
xsk_buff_pool.h	5138	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/include/net/af_vsock.h (7592B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * VMware vSockets Driver
 *
 * Copyright (C) 2007-2013 VMware, Inc. All rights reserved.
 */

#ifndef __AF_VSOCK_H__
#define __AF_VSOCK_H__

#include <linux/kernel.h>
#include <linux/workqueue.h>
#include <uapi/linux/vm_sockets.h>

#include "vsock_addr.h"

#define LAST_RESERVED_PORT 1023

#define VSOCK_HASH_SIZE         251
extern struct list_head vsock_bind_table[VSOCK_HASH_SIZE + 1];
extern struct list_head vsock_connected_table[VSOCK_HASH_SIZE];
extern spinlock_t vsock_table_lock;

#define vsock_sk(__sk)    ((struct vsock_sock *)__sk)
#define sk_vsock(__vsk)   (&(__vsk)->sk)

struct vsock_sock {
	/* sk must be the first member. */
	struct sock sk;
	const struct vsock_transport *transport;
	struct sockaddr_vm local_addr;
	struct sockaddr_vm remote_addr;
	/* Links for the global tables of bound and connected sockets. */
	struct list_head bound_table;
	struct list_head connected_table;
	/* Accessed without the socket lock held. This means it can never be
	 * modified outsided of socket create or destruct.
	 */
	bool trusted;
	bool cached_peer_allow_dgram;	/* Dgram communication allowed to
					 * cached peer?
					 */
	u32 cached_peer;  /* Context ID of last dgram destination check. */
	const struct cred *owner;
	/* Rest are SOCK_STREAM only. */
	long connect_timeout;
	/* Listening socket that this came from. */
	struct sock *listener;
	/* Used for pending list and accept queue during connection handshake.
	 * The listening socket is the head for both lists.  Sockets created
	 * for connection requests are placed in the pending list until they
	 * are connected, at which point they are put in the accept queue list
	 * so they can be accepted in accept().  If accept() cannot accept the
	 * connection, it is marked as rejected so the cleanup function knows
	 * to clean up the socket.
	 */
	struct list_head pending_links;
	struct list_head accept_queue;
	bool rejected;
	struct delayed_work connect_work;
	struct delayed_work pending_work;
	struct delayed_work close_work;
	bool close_work_scheduled;
	u32 peer_shutdown;
	bool sent_request;
	bool ignore_connecting_rst;

/* Protected by lock_sock(sk) */
	u64 buffer_size;
	u64 buffer_min_size;
	u64 buffer_max_size;

/* Private to transport. */
	void *trans;
};

s64 vsock_stream_has_data(struct vsock_sock *vsk);
s64 vsock_stream_has_space(struct vsock_sock *vsk);
struct sock *vsock_create_connected(struct sock *parent);

/**** TRANSPORT ****/

struct vsock_transport_recv_notify_data {
	u64 data1; /* Transport-defined. */
	u64 data2; /* Transport-defined. */
	bool notify_on_block;
};

struct vsock_transport_send_notify_data {
	u64 data1; /* Transport-defined. */
	u64 data2; /* Transport-defined. */
};

/* Transport features flags */
/* Transport provides host->guest communication */
#define VSOCK_TRANSPORT_F_H2G		0x00000001
/* Transport provides guest->host communication */
#define VSOCK_TRANSPORT_F_G2H		0x00000002
/* Transport provides DGRAM communication */
#define VSOCK_TRANSPORT_F_DGRAM		0x00000004
/* Transport provides local (loopback) communication */
#define VSOCK_TRANSPORT_F_LOCAL		0x00000008

struct vsock_transport {
	struct module *module;

/* Initialize/tear-down socket. */
	int (*init)(struct vsock_sock *, struct vsock_sock *);
	void (*destruct)(struct vsock_sock *);
	void (*release)(struct vsock_sock *);

/* Cancel all pending packets sent on vsock. */
	int (*cancel_pkt)(struct vsock_sock *vsk);

/* Connections. */
	int (*connect)(struct vsock_sock *);

/* DGRAM. */
	int (*dgram_bind)(struct vsock_sock *, struct sockaddr_vm *);
	int (*dgram_dequeue)(struct vsock_sock *vsk, struct msghdr *msg,
			     size_t len, int flags);
	int (*dgram_enqueue)(struct vsock_sock *, struct sockaddr_vm *,
			     struct msghdr *, size_t len);
	bool (*dgram_allow)(u32 cid, u32 port);

/* STREAM. */
	/* TODO: stream_bind() */
	ssize_t (*stream_dequeue)(struct vsock_sock *, struct msghdr *,
				  size_t len, int flags);
	ssize_t (*stream_enqueue)(struct vsock_sock *, struct msghdr *,
				  size_t len);
	s64 (*stream_has_data)(struct vsock_sock *);
	s64 (*stream_has_space)(struct vsock_sock *);
	u64 (*stream_rcvhiwat)(struct vsock_sock *);
	bool (*stream_is_active)(struct vsock_sock *);
	bool (*stream_allow)(u32 cid, u32 port);

/* SEQ_PACKET. */
	ssize_t (*seqpacket_dequeue)(struct vsock_sock *vsk, struct msghdr *msg,
				     int flags);
	int (*seqpacket_enqueue)(struct vsock_sock *vsk, struct msghdr *msg,
				 size_t len);
	bool (*seqpacket_allow)(u32 remote_cid);
	u32 (*seqpacket_has_data)(struct vsock_sock *vsk);

/* Notification. */
	int (*notify_poll_in)(struct vsock_sock *, size_t, bool *);
	int (*notify_poll_out)(struct vsock_sock *, size_t, bool *);
	int (*notify_recv_init)(struct vsock_sock *, size_t,
		struct vsock_transport_recv_notify_data *);
	int (*notify_recv_pre_block)(struct vsock_sock *, size_t,
		struct vsock_transport_recv_notify_data *);
	int (*notify_recv_pre_dequeue)(struct vsock_sock *, size_t,
		struct vsock_transport_recv_notify_data *);
	int (*notify_recv_post_dequeue)(struct vsock_sock *, size_t,
		ssize_t, bool, struct vsock_transport_recv_notify_data *);
	int (*notify_send_init)(struct vsock_sock *,
		struct vsock_transport_send_notify_data *);
	int (*notify_send_pre_block)(struct vsock_sock *,
		struct vsock_transport_send_notify_data *);
	int (*notify_send_pre_enqueue)(struct vsock_sock *,
		struct vsock_transport_send_notify_data *);
	int (*notify_send_post_enqueue)(struct vsock_sock *, ssize_t,
		struct vsock_transport_send_notify_data *);
	/* sk_lock held by the caller */
	void (*notify_buffer_size)(struct vsock_sock *, u64 *);

/* Shutdown. */
	int (*shutdown)(struct vsock_sock *, int);

/* Addressing. */
	u32 (*get_local_cid)(void);
};

/**** CORE ****/

int vsock_core_register(const struct vsock_transport *t, int features);
void vsock_core_unregister(const struct vsock_transport *t);

/* The transport may downcast this to access transport-specific functions */
const struct vsock_transport *vsock_core_get_transport(struct vsock_sock *vsk);

/**** UTILS ****/

/* vsock_table_lock must be held */
static inline bool __vsock_in_bound_table(struct vsock_sock *vsk)
{
	return !list_empty(&vsk->bound_table);
}

/* vsock_table_lock must be held */
static inline bool __vsock_in_connected_table(struct vsock_sock *vsk)
{
	return !list_empty(&vsk->connected_table);
}

void vsock_release_pending(struct sock *pending);
void vsock_add_pending(struct sock *listener, struct sock *pending);
void vsock_remove_pending(struct sock *listener, struct sock *pending);
void vsock_enqueue_accept(struct sock *listener, struct sock *connected);
void vsock_insert_connected(struct vsock_sock *vsk);
void vsock_remove_bound(struct vsock_sock *vsk);
void vsock_remove_connected(struct vsock_sock *vsk);
struct sock *vsock_find_bound_socket(struct sockaddr_vm *addr);
struct sock *vsock_find_connected_socket(struct sockaddr_vm *src,
					 struct sockaddr_vm *dst);
void vsock_remove_sock(struct vsock_sock *vsk);
void vsock_for_each_connected_socket(struct vsock_transport *transport,
				     void (*fn)(struct sock *sk));
int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk);
bool vsock_find_cid(unsigned int cid);

/**** TAP ****/

struct vsock_tap {
	struct net_device *dev;
	struct module *module;
	struct list_head list;
};

int vsock_init_tap(void);
int vsock_add_tap(struct vsock_tap *vt);
int vsock_remove_tap(struct vsock_tap *vt);
void vsock_deliver_tap(struct sk_buff *build_skb(void *opaque), void *opaque);

#endif /* __AF_VSOCK_H__ */

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