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/linux/include/drm/display/
H A Ddrm_dp_tunnel.h24 struct drm_dp_tunnel *tunnel; member
31 drm_dp_tunnel_get(struct drm_dp_tunnel *tunnel, struct ref_tracker **tracker);
34 drm_dp_tunnel_put(struct drm_dp_tunnel *tunnel, struct ref_tracker **tracker);
36 static inline void drm_dp_tunnel_ref_get(struct drm_dp_tunnel *tunnel, in drm_dp_tunnel_ref_get() argument
39 tunnel_ref->tunnel = drm_dp_tunnel_get(tunnel, &tunnel_ref->tracker); in drm_dp_tunnel_ref_get()
44 drm_dp_tunnel_put(tunnel_ref->tunnel, &tunnel_ref->tracker); in drm_dp_tunnel_ref_put()
45 tunnel_ref->tunnel = NULL; in drm_dp_tunnel_ref_put()
51 int drm_dp_tunnel_destroy(struct drm_dp_tunnel *tunnel);
53 int drm_dp_tunnel_enable_bw_alloc(struct drm_dp_tunnel *tunnel);
54 int drm_dp_tunnel_disable_bw_alloc(struct drm_dp_tunnel *tunnel);
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/linux/net/l2tp/
H A Dl2tp_core.c143 static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel) in l2tp_tunnel_free() argument
145 struct sock *sk = tunnel->sock; in l2tp_tunnel_free()
147 trace_free_tunnel(tunnel); in l2tp_tunnel_free()
151 switch (tunnel->encap) { in l2tp_tunnel_free()
162 tunnel->sock = NULL; in l2tp_tunnel_free()
166 kfree_rcu(tunnel, rcu); in l2tp_tunnel_free()
172 if (session->tunnel) in l2tp_session_free()
173 l2tp_tunnel_put(session->tunnel); in l2tp_session_free()
181 struct l2tp_tunnel *tunnel; in l2tp_sk_to_tunnel() local
186 idr_for_each_entry_ul(&pn->l2tp_tunnel_idr, tunnel, tm in l2tp_sk_to_tunnel()
200 l2tp_tunnel_put(struct l2tp_tunnel * tunnel) l2tp_tunnel_put() argument
218 struct l2tp_tunnel *tunnel; l2tp_tunnel_get() local
235 struct l2tp_tunnel *tunnel = NULL; l2tp_tunnel_get_next() local
281 struct l2tp_tunnel *tunnel = READ_ONCE(session->tunnel); l2tp_v3_session_get() local
340 struct l2tp_tunnel *tunnel = READ_ONCE(session->tunnel); l2tp_v2_session_get_next() local
374 struct l2tp_tunnel *tunnel = READ_ONCE(session->tunnel); l2tp_v3_session_get_next() local
397 struct l2tp_tunnel *tunnel = READ_ONCE(session->tunnel); l2tp_v3_session_get_next() local
438 struct l2tp_tunnel *tunnel; l2tp_session_get_by_ifname() local
553 l2tp_session_register(struct l2tp_session * session,struct l2tp_tunnel * tunnel) l2tp_session_register() argument
657 struct l2tp_tunnel *tunnel = session->tunnel; l2tp_recv_dequeue_skb() local
868 struct l2tp_tunnel *tunnel = session->tunnel; l2tp_recv_common() local
1018 struct l2tp_tunnel *tunnel = NULL; l2tp_udp_encap_recv() local
1140 struct l2tp_tunnel *tunnel = session->tunnel; l2tp_build_l2tpv2_header() local
1167 struct l2tp_tunnel *tunnel = session->tunnel; l2tp_build_l2tpv3_header() local
1206 l2tp_xmit_queue(struct l2tp_tunnel * tunnel,struct sk_buff * skb,struct flowi * fl) l2tp_xmit_queue() argument
1224 struct l2tp_tunnel *tunnel = session->tunnel; l2tp_xmit_core() local
1346 struct l2tp_tunnel *tunnel = session->tunnel; l2tp_session_unhash() local
1380 l2tp_tunnel_closeall(struct l2tp_tunnel * tunnel) l2tp_tunnel_closeall() argument
1394 struct l2tp_tunnel *tunnel; l2tp_udp_encap_destroy() local
1403 l2tp_tunnel_remove(struct net * net,struct l2tp_tunnel * tunnel) l2tp_tunnel_remove() argument
1415 struct l2tp_tunnel *tunnel = container_of(work, struct l2tp_tunnel, l2tp_tunnel_del_work() local
1566 struct l2tp_tunnel *tunnel = NULL; l2tp_tunnel_create() local
1608 struct l2tp_tunnel *tunnel; l2tp_validate_socket() local
1635 l2tp_tunnel_register(struct l2tp_tunnel * tunnel,struct net * net,struct l2tp_tunnel_cfg * cfg) l2tp_tunnel_register() argument
1716 l2tp_tunnel_delete(struct l2tp_tunnel * tunnel) l2tp_tunnel_delete() argument
1773 l2tp_session_create(int priv_size,struct l2tp_tunnel * tunnel,u32 session_id,u32 peer_session_id,struct l2tp_session_cfg * cfg) l2tp_session_create() argument
1851 struct l2tp_tunnel *tunnel = NULL; l2tp_pre_exit_net() local
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H A Dl2tp_netlink.c38 int flags, struct l2tp_tunnel *tunnel, u8 cmd);
51 struct l2tp_tunnel *tunnel; in l2tp_nl_session_get() local
62 tunnel = l2tp_tunnel_get(net, tunnel_id); in l2tp_nl_session_get()
63 if (tunnel) { in l2tp_nl_session_get()
64 session = l2tp_session_get(net, tunnel->sock, tunnel->version, in l2tp_nl_session_get()
66 l2tp_tunnel_put(tunnel); in l2tp_nl_session_get()
105 struct l2tp_tunnel *tunnel, in l2tp_tunnel_notify() argument
116 NLM_F_ACK, tunnel, cmd); in l2tp_tunnel_notify()
193 struct l2tp_tunnel *tunnel; in l2tp_nl_cmd_tunnel_create() local
221 /* Managed tunnels take the tunnel socket from userspace. in l2tp_nl_cmd_tunnel_create()
[all …]
H A Dl2tp_ppp.c27 * zero, the socket is treated as a special tunnel management socket.
140 /* Helpers to obtain tunnel/session contexts from sockets.
256 struct l2tp_tunnel *tunnel; in pppol2tp_sendmsg() local
263 /* Get session and tunnel contexts */ in pppol2tp_sendmsg()
269 tunnel = session->tunnel; in pppol2tp_sendmsg()
271 uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0; in pppol2tp_sendmsg()
333 struct l2tp_tunnel *tunnel; in pppol2tp_xmit() local
339 /* Get session and tunnel contexts from the socket */ in pppol2tp_xmit()
344 tunnel in pppol2tp_xmit()
615 pppol2tp_tunnel_mtu(const struct l2tp_tunnel * tunnel) pppol2tp_tunnel_mtu() argument
630 struct l2tp_tunnel *tunnel; pppol2tp_tunnel_get() local
694 struct l2tp_tunnel *tunnel; pppol2tp_connect() local
840 pppol2tp_session_create(struct net * net,struct l2tp_tunnel * tunnel,u32 session_id,u32 peer_session_id,struct l2tp_session_cfg * cfg) pppol2tp_session_create() argument
886 struct l2tp_tunnel *tunnel; pppol2tp_getname() local
1014 pppol2tp_tunnel_copy_stats(struct pppol2tp_ioc_stats * stats,struct l2tp_tunnel * tunnel) pppol2tp_tunnel_copy_stats() argument
1138 pppol2tp_tunnel_setsockopt(struct sock * sk,struct l2tp_tunnel * tunnel,int optname,int val) pppol2tp_tunnel_setsockopt() argument
1223 struct l2tp_tunnel *tunnel; pppol2tp_setsockopt() local
1263 pppol2tp_tunnel_getsockopt(struct sock * sk,struct l2tp_tunnel * tunnel,int optname,int * val) pppol2tp_tunnel_getsockopt() argument
1329 struct l2tp_tunnel *tunnel; pppol2tp_getsockopt() local
1393 struct l2tp_tunnel *tunnel; global() member
1490 struct l2tp_tunnel *tunnel = v; pppol2tp_seq_tunnel_show() local
1509 struct l2tp_tunnel *tunnel = session->tunnel; pppol2tp_seq_session_show() local
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H A Dl2tp_debugfs.c37 unsigned long tkey; /* lookup key of current tunnel */
39 struct l2tp_tunnel *tunnel; member
40 struct l2tp_session *session; /* NULL means get next tunnel */
46 if (pd->tunnel) in l2tp_dfs_next_tunnel()
47 l2tp_tunnel_put(pd->tunnel); in l2tp_dfs_next_tunnel()
49 pd->tunnel = l2tp_tunnel_get_next(pd->net, &pd->tkey); in l2tp_dfs_next_tunnel()
59 pd->session = l2tp_session_get_next(pd->net, pd->tunnel->sock, in l2tp_dfs_next_session()
60 pd->tunnel->version, in l2tp_dfs_next_session()
61 pd->tunnel->tunnel_id, &pd->skey); in l2tp_dfs_next_session()
84 if (!pd->tunnel) in l2tp_dfs_seq_start()
125 struct l2tp_tunnel *tunnel = v; l2tp_dfs_seq_tunnel_show() local
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H A Dl2tp_core.h18 /* Random numbers used for internal consistency checks of tunnel and session structures */
63 * Is linked into a per-tunnel session list and a per-net ("global") IDR tree.
71 struct l2tp_tunnel *tunnel; /* back pointer to tunnel context */ member
83 u32 nr_max; /* max NR. Depends on tunnel */
88 struct list_head list; /* per-tunnel list node */
133 /* L2TP tunnel configuration */
151 /* Represents a tunnel instance.
153 * Holds the tunnel socket (either passed from userspace or directly created by the kernel).
154 * Maintains a list of sessions belonging to the tunnel instance.
163 bool acpt_newsess; /* indicates whether this tunnel accepts
[all …]
H A Dtrace.h28 TP_PROTO(struct l2tp_tunnel *tunnel),
29 TP_ARGS(tunnel),
34 memcpy(__entry->name, tunnel->name, L2TP_TUNNEL_NAME_MAX);
52 TP_PROTO(struct l2tp_tunnel *tunnel),
53 TP_ARGS(tunnel),
63 memcpy(__entry->name, tunnel->name, L2TP_TUNNEL_NAME_MAX);
64 __entry->fd = tunnel->fd;
65 __entry->tid = tunnel->tunnel_id;
66 __entry->ptid = tunnel->peer_tunnel_id;
67 __entry->version = tunnel->version;
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H A Dl2tp_eth.c185 static void l2tp_eth_adjust_mtu(struct l2tp_tunnel *tunnel, in l2tp_eth_adjust_mtu() argument
194 if (tunnel->encap == L2TP_ENCAPTYPE_UDP) { in l2tp_eth_adjust_mtu()
199 lock_sock(tunnel->sock); in l2tp_eth_adjust_mtu()
200 l3_overhead = kernel_sock_ip_overhead(tunnel->sock); in l2tp_eth_adjust_mtu()
201 release_sock(tunnel->sock); in l2tp_eth_adjust_mtu()
205 * because tunnel->sock was NULL or the socket's in l2tp_eth_adjust_mtu()
216 mtu = l2tp_tunnel_dst_mtu(tunnel) - overhead; in l2tp_eth_adjust_mtu()
225 static int l2tp_eth_create(struct net *net, struct l2tp_tunnel *tunnel, in l2tp_eth_create() argument
245 session = l2tp_session_create(sizeof(*spriv), tunnel, session_id, in l2tp_eth_create()
262 l2tp_eth_adjust_mtu(tunnel, session, dev); in l2tp_eth_create()
[all …]
/linux/Documentation/networking/
H A Dl2tp.rst27 An L2TP tunnel carries one or more L2TP sessions. Each tunnel is
30 to/from L2TP. Fields in the L2TP header identify the tunnel or session
40 1) Create a tunnel socket. Exchange L2TP control protocol messages
41 with the peer over that socket in order to establish a tunnel.
43 2) Create a tunnel context in the kernel, using information
47 tunnel socket in order to establish a session.
57 Tunnel Sockets
62 To create a tunnel socket for use by L2TP, the standard POSIX
65 For example, for a tunnel using IPv4 addresses and UDP encapsulation::
69 Or for a tunnel using IPv6 addresses and IP encapsulation::
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H A Dgtp.rst12 of a GTP tunnel endpoint.
17 GTP is the Generic Tunnel Protocol, which is a 3GPP protocol used for
24 such a tunnel between that external data network and the phone. The
25 tunnel endpoints thus reside on the phone and in the gateway. All
35 is translated into GTP *without breaking the end-to-end tunnel*. So
39 or P-GW (LTE), which terminates the tunnel, decapsulates the packet
53 The module implements the function of a tunnel endpoint, i.e. it is
70 to handle the tunnel establishment, authentication etc. and only the
159 Local GTP-U entity and tunnel identification
166 instance) per IP address. Tunnel Endpoint Identifier (TEID) are unique
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H A Dbareudp.rst11 The Bareudp tunnel module provides a generic L3 encapsulation support for
12 tunnelling different L3 protocols like MPLS, IP, NSH etc. inside a UDP tunnel.
31 This creates a bareudp tunnel device which tunnels L3 traffic with ethertype
45 For an IPv4 tunnel the multiproto mode allows the tunnel to also handle
50 For MPLS, the multiproto mode allows the tunnel to handle both unicast
56 The OVS or TC flower layer must set the tunnel information in the SKB dst field before
58 bareUDP device extracts and stores the tunnel information in the SKB dst field before
/linux/net/ipv4/
H A Dip_tunnel.c70 /* Fallback tunnel: no source, no destination, no key, no options
72 Tunnel hash table:
74 it will match only tunnel with the same key; if it is not present,
75 it will match only keyless tunnel.
78 will match fallback tunnel.
79 Given src, dst and key, find appropriate for input tunnel.
238 struct ip_tunnel *tunnel; in __ip_tunnel_create() local
264 tunnel = netdev_priv(dev); in __ip_tunnel_create()
265 tunnel->parms = *parms; in __ip_tunnel_create()
266 tunnel->net = net; in __ip_tunnel_create()
[all …]
H A Dipip.c22 /* tunnel.c: an IP tunnel driver
24 The purpose of this driver is to provide an IP tunnel through
25 which you can tunnel network traffic transparently across subnets.
36 Made the tunnels use dev->name not tunnel: when error reporting.
42 Changed to tunnel to destination gateway in addition to the
43 tunnel's pointopoint address
51 /* Things I wish I had known when writing the tunnel driver:
55 contains the tunnel device that _we_ are.
204 /* no tunnel inf
221 struct ip_tunnel *tunnel; ipip_tunnel_rcv() local
285 struct ip_tunnel *tunnel = netdev_priv(dev); ipip_tunnel_xmit() local
391 struct ip_tunnel *tunnel = netdev_priv(dev); ipip_tunnel_init() local
524 struct ip_tunnel *tunnel = netdev_priv(dev); ipip_fill_info() local
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H A Dip_vti.c4 * virtual tunnel interface
50 struct ip_tunnel *tunnel; in vti_input() local
58 tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, flags, in vti_input()
60 if (tunnel) { in vti_input()
64 XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4 = tunnel; in vti_input()
67 skb->dev = tunnel->dev; in vti_input()
103 struct ip_tunnel *tunnel = XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4; in vti_rcv_cb() local
107 if (!tunnel) in vti_rcv_cb()
110 dev = tunnel->dev; in vti_rcv_cb()
134 skb->mark = be32_to_cpu(tunnel->parms.i_key); in vti_rcv_cb()
[all …]
/linux/include/uapi/linux/
H A Dip6_tunnel.h28 char name[IFNAMSIZ]; /* name of tunnel device */
30 __u8 proto; /* tunnel protocol */
31 __u8 encap_limit; /* encapsulation limit for tunnel */
32 __u8 hop_limit; /* hop limit for tunnel */
33 __be32 flowinfo; /* traffic class and flowlabel for tunnel */
34 __u32 flags; /* tunnel flags */
35 struct in6_addr laddr; /* local tunnel end-point address */
36 struct in6_addr raddr; /* remote tunnel end-point address */
40 char name[IFNAMSIZ]; /* name of tunnel device */
42 __u8 proto; /* tunnel protoco
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/linux/include/net/
H A Dip6_tunnel.h22 char name[IFNAMSIZ]; /* name of tunnel device */
24 __u8 proto; /* tunnel protocol */
25 __u8 encap_limit; /* encapsulation limit for tunnel */
26 __u8 hop_limit; /* hop limit for tunnel */
28 __be32 flowinfo; /* traffic class and flowlabel for tunnel */
29 __u32 flags; /* tunnel flags */
30 struct in6_addr laddr; /* local tunnel end-point address */
31 struct in6_addr raddr; /* remote tunnel end-point address */
45 /* IPv6 tunnel */
47 struct ip6_tnl __rcu *next; /* next tunnel in list */
[all …]
/linux/net/ipv6/
H A Dip6_tunnel.c85 /* the IPv6 tunnel fallback device */
103 * ip6_tnl_lookup - fetch tunnel matching the end-point addresses
106 * @remote: the address of the tunnel exit-point
107 * @local: the address of the tunnel entry-point
110 * tunnel matching given end-points if found,
111 * else fallback tunnel if its device is up,
178 * ip6_tnl_bucket - get head of list matching given tunnel parameters
180 * @p: parameters containing tunnel end-points
186 * Return: head of IPv6 tunnel list
205 * ip6_tnl_link - add tunnel to hash table
[all …]
H A Dip6_vti.c67 /* the vti6 tunnel fallback device */
79 * vti6_tnl_lookup - fetch tunnel matching the end-point addresses
81 * @remote: the address of the tunnel exit-point
82 * @local: the address of the tunnel entry-point
85 * tunnel matching given end-points if found,
86 * else fallback tunnel if its device is up,
128 * vti6_tnl_bucket - get head of list matching given tunnel parameters
130 * @p: parameters containing tunnel end-points
136 * Return: head of IPv6 tunnel list
237 * vti6_locate - find or create tunnel matching given parameters
[all …]
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dtest_tunnel.c4 * End-to-end eBPF tunnel test suite
5 * The file tests BPF network tunnel implementation.
24 * root namespace with metadata-mode tunnel + BPF
28 * tunnel dev <type>11, ex: gre11, IPv4: 10.1.1.200, IPv6: 1::22 (overlay)
30 * Namespace at_ns0 with native tunnel
33 * tunnel dev <type>00, ex: gre00, IPv4: 10.1.1.100, IPv6: 1::11 (overlay)
42 * 2) Tnl device's egress BPF program is triggered and set the tunnel metadata,
44 * the primary or secondary ip of veth1 as the local ip of tunnel. The
46 * 3) Outer tunnel header is prepended and route the packet to veth1's egress.
48 * 5) Tunnel protoco
[all...]
/linux/drivers/net/ethernet/broadcom/bnxt/
H A Dbnxt_tc.h88 /* tunnel encap */
146 /* Tunnel encap/decap hash table
148 * the same tunnel encap/decap params (ip_daddrs, vni, udp_dport)
156 /* tunnel l2 info */
160 /* tunnel handle returned by FW */
168 * The same data-struct is used for L2-flow table and L2-tunnel table.
169 * The L2 part of a flow or tunnel is stored in a hash table.
171 * already existing flow/tunnel must refer to it's flow handle or
205 /* tunnel encap related */
208 /* tunnel decap related */
[all …]
/linux/tools/testing/selftests/bpf/
H A Dtest_tunnel.sh
H A Dwith_tunnels.sh
/linux/tools/testing/selftests/net/
H A Dl2tp.sh4 # L2TPv3 tunnel between 2 hosts
140 # configure l2tpv3 tunnel on host-1
142 ip -netns $host_1 l2tp add tunnel tunnel_id 1041 peer_tunnel_id 1042 \
150 # configure l2tpv3 tunnel on host-2
152 ip -netns $host_2 l2tp add tunnel tunnel_id 1042 peer_tunnel_id 1041 \
169 # configure l2tpv3 tunnel on host-1
171 ip -netns $host_1 l2tp add tunnel tunnel_id 1061 peer_tunnel_id 1062 \
179 # configure l2tpv3 tunnel on host-2
181 ip -netns $host_2 l2tp add tunnel tunnel_id 1062 peer_tunnel_id 1061 \
313 # generate traffic through tunnel for various cases
[all …]
H A Dxfrm_policy.sh10 # ns3 and ns4 are connected via ipsec tunnel.
12 # ns1: ping 10.0.2.2: passes via ipsec tunnel.
13 # ns2: ping 10.0.1.2: passes via ipsec tunnel.
15 # ns1: ping 10.0.1.253: passes via ipsec tunnel (direct policy)
16 # ns2: ping 10.0.2.253: passes via ipsec tunnel (direct policy)
18 # ns1: ping 10.0.2.254: does NOT pass via ipsec tunnel (exception)
19 # ns2: ping 10.0.1.254: does NOT pass via ipsec tunnel (exception)
38 … add src $lnet dst $rnet dir out tmpl src $me dst $remote proto esp mode tunnel priority 100 actio…
40 … add src $rnet dst $lnet dir fwd tmpl src $remote dst $me proto esp mode tunnel priority 100 actio…
52 …st $me proto esp spi $spi_in enc aes $KEY_AES auth sha1 $KEY_SHA mode tunnel sel src $rnet dst …
[all …]
H A Dvrf-xfrm-tests.sh218 tmpl src ${HOST1_4} dst ${HOST2_4} proto esp mode tunnel
223 tmpl src ${HOST1_4} dst ${HOST2_4} proto esp mode tunnel
228 tmpl src ${HOST2_4} dst ${HOST1_4} proto esp mode tunnel
233 tmpl src ${HOST2_4} dst ${HOST1_4} proto esp mode tunnel
239 tmpl src ${HOST1_6} dst ${HOST2_6} proto esp mode tunnel
244 tmpl src ${HOST1_6} dst ${HOST2_6} proto esp mode tunnel
249 tmpl src ${HOST2_6} dst ${HOST1_6} proto esp mode tunnel
254 tmpl src ${HOST2_6} dst ${HOST1_6} proto esp mode tunnel
260 proto esp spi ${SPI_1} reqid 0 mode tunnel \
267 proto esp spi ${SPI_1} reqid 0 mode tunnel \
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