| /kernel/linux/linux-5.10/drivers/thunderbolt/ |
| D | tunnel.c | 13 #include "tunnel.h"
42 #define __TB_TUNNEL_PRINT(level, tunnel, fmt, arg...) \ argument
44 struct tb_tunnel *__tunnel = (tunnel); \
54 #define tb_tunnel_WARN(tunnel, fmt, arg...) \ argument
55 __TB_TUNNEL_PRINT(tb_WARN, tunnel, fmt, ##arg)
56 #define tb_tunnel_warn(tunnel, fmt, arg...) \ argument
57 __TB_TUNNEL_PRINT(tb_warn, tunnel, fmt, ##arg)
58 #define tb_tunnel_info(tunnel, fmt, arg...) \ argument
59 __TB_TUNNEL_PRINT(tb_info, tunnel, fmt, ##arg)
60 #define tb_tunnel_dbg(tunnel, fmt, arg...) \ argument
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| D | tunnel.h | 22 * struct tb_tunnel - Tunnel between two ports
24 * @src_port: Source port of the tunnel
25 * @dst_port: Destination port of the tunnel. For discovered incomplete
27 * @paths: All paths required by the tunnel
29 * @init: Optional tunnel specific initialization
30 * @activate: Optional tunnel specific activation/deactivation
31 * @consumed_bandwidth: Return how much bandwidth the tunnel consumes
35 * @type: Type of the tunnel
36 * @max_up: Maximum upstream bandwidth (Mb/s) available for the tunnel.
38 * @max_down: Maximum downstream bandwidth (Mb/s) available for the tunnel.
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| D | tb.c | 16 #include "tunnel.h"
112 struct tb_tunnel *tunnel = NULL; in tb_discover_tunnels() local
116 tunnel = tb_tunnel_discover_dp(tb, port); in tb_discover_tunnels()
120 tunnel = tb_tunnel_discover_pci(tb, port); in tb_discover_tunnels()
124 tunnel = tb_tunnel_discover_usb3(tb, port); in tb_discover_tunnels()
131 if (!tunnel) in tb_discover_tunnels()
134 if (tb_tunnel_is_pci(tunnel)) { in tb_discover_tunnels()
135 struct tb_switch *parent = tunnel->dst_port->sw; in tb_discover_tunnels()
137 while (parent != tunnel->src_port->sw) { in tb_discover_tunnels()
141 } else if (tb_tunnel_is_dp(tunnel)) { in tb_discover_tunnels()
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| /kernel/linux/linux-6.6/drivers/thunderbolt/ |
| D | tunnel.c | 15 #include "tunnel.h"
108 /* Add some credits for potential second DMA tunnel */ in tb_available_credits()
140 struct tb_tunnel *tunnel; in tb_tunnel_alloc() local
142 tunnel = kzalloc(sizeof(*tunnel), GFP_KERNEL); in tb_tunnel_alloc()
143 if (!tunnel) in tb_tunnel_alloc()
146 tunnel->paths = kcalloc(npaths, sizeof(tunnel->paths[0]), GFP_KERNEL); in tb_tunnel_alloc()
147 if (!tunnel->paths) { in tb_tunnel_alloc()
148 tb_tunnel_free(tunnel); in tb_tunnel_alloc()
152 INIT_LIST_HEAD(&tunnel->list); in tb_tunnel_alloc()
153 tunnel->tb = tb; in tb_tunnel_alloc()
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| D | tunnel.h | 22 * struct tb_tunnel - Tunnel between two ports
24 * @src_port: Source port of the tunnel
25 * @dst_port: Destination port of the tunnel. For discovered incomplete
27 * @paths: All paths required by the tunnel
29 * @init: Optional tunnel specific initialization
30 * @deinit: Optional tunnel specific de-initialization
31 * @activate: Optional tunnel specific activation/deactivation
32 * @maximum_bandwidth: Returns maximum possible bandwidth for this tunnel
33 * @allocated_bandwidth: Return how much bandwidth is allocated for the tunnel
34 * @alloc_bandwidth: Change tunnel bandwidth allocation
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| D | tb.c | 17 #include "tunnel.h"
122 struct tb_tunnel *tunnel; in tb_attach_bandwidth_group() local
130 list_for_each_entry(tunnel, &tcm->tunnel_list, list) { in tb_attach_bandwidth_group()
131 if (!tb_tunnel_is_dp(tunnel)) in tb_attach_bandwidth_group()
134 if (tunnel->src_port->sw == in->sw && in tb_attach_bandwidth_group()
135 tunnel->dst_port->sw == out->sw) { in tb_attach_bandwidth_group()
136 group = tunnel->src_port->group; in tb_attach_bandwidth_group()
258 struct tb_tunnel *tunnel; in tb_discover_dp_resources() local
260 list_for_each_entry(tunnel, &tcm->tunnel_list, list) { in tb_discover_dp_resources()
261 if (tb_tunnel_is_dp(tunnel)) in tb_discover_dp_resources()
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| D | test.c | 13 #include "tunnel.h"
1341 * Create PCIe tunnel between host and two devices. in tb_test_tunnel_pcie()
1393 struct tb_tunnel *tunnel; in tb_test_tunnel_dp() local
1396 * Create DP tunnel between Host and Device in tb_test_tunnel_dp()
1409 tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0); in tb_test_tunnel_dp()
1410 KUNIT_ASSERT_NOT_NULL(test, tunnel); in tb_test_tunnel_dp()
1411 KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP); in tb_test_tunnel_dp()
1412 KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); in tb_test_tunnel_dp()
1413 KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); in tb_test_tunnel_dp()
1414 KUNIT_ASSERT_EQ(test, tunnel->npaths, 3); in tb_test_tunnel_dp()
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| /kernel/linux/linux-5.10/net/l2tp/ |
| D | l2tp_core.c | 146 l2tp_session_id_hash(struct l2tp_tunnel *tunnel, u32 session_id) in l2tp_session_id_hash() argument
148 return &tunnel->session_hlist[hash_32(session_id, L2TP_HASH_BITS)]; in l2tp_session_id_hash()
151 static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel) in l2tp_tunnel_free() argument
153 trace_free_tunnel(tunnel); in l2tp_tunnel_free()
154 sock_put(tunnel->sock); in l2tp_tunnel_free()
155 /* the tunnel is freed in the socket destructor */ in l2tp_tunnel_free()
161 if (session->tunnel) in l2tp_session_free()
162 l2tp_tunnel_dec_refcount(session->tunnel); in l2tp_session_free()
168 struct l2tp_tunnel *tunnel = sk->sk_user_data; in l2tp_sk_to_tunnel() local
170 if (tunnel) in l2tp_sk_to_tunnel()
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| D | l2tp_ppp.c | 27 * zero, the socket is treated as a special tunnel management socket.
151 /* Helpers to obtain tunnel/session contexts from sockets.
273 struct l2tp_tunnel *tunnel; in pppol2tp_sendmsg() local
280 /* Get session and tunnel contexts */ in pppol2tp_sendmsg()
286 tunnel = session->tunnel; in pppol2tp_sendmsg()
288 uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0; in pppol2tp_sendmsg()
350 struct l2tp_tunnel *tunnel; in pppol2tp_xmit() local
356 /* Get session and tunnel contexts from the socket */ in pppol2tp_xmit()
361 tunnel = session->tunnel; in pppol2tp_xmit()
363 uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0; in pppol2tp_xmit()
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| D | l2tp_netlink.c | 38 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_tunnel_get_session(tunnel, session_id); in l2tp_nl_session_get()
65 l2tp_tunnel_dec_refcount(tunnel); in l2tp_nl_session_get()
104 struct l2tp_tunnel *tunnel, in l2tp_tunnel_notify() argument
115 NLM_F_ACK, tunnel, cmd); in l2tp_tunnel_notify()
192 struct l2tp_tunnel *tunnel; in l2tp_nl_cmd_tunnel_create() local
220 /* Managed tunnels take the tunnel socket from userspace. in l2tp_nl_cmd_tunnel_create()
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| D | l2tp_debugfs.c | 36 int tunnel_idx; /* current tunnel */
37 int session_idx; /* index of session within current tunnel */
38 struct l2tp_tunnel *tunnel; member
39 struct l2tp_session *session; /* NULL means get next tunnel */
45 if (pd->tunnel) in l2tp_dfs_next_tunnel()
46 l2tp_tunnel_dec_refcount(pd->tunnel); in l2tp_dfs_next_tunnel()
48 pd->tunnel = l2tp_tunnel_get_nth(pd->net, pd->tunnel_idx); in l2tp_dfs_next_tunnel()
58 pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx); in l2tp_dfs_next_session()
81 if (!pd->tunnel) in l2tp_dfs_seq_start()
86 /* NULL tunnel and session indicates end of list */ in l2tp_dfs_seq_start()
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| D | l2tp_core.h | 18 /* Random numbers used for internal consistency checks of tunnel and session structures */
22 /* Per tunnel session hash table size */
66 * Is linked into a per-tunnel session hashlist; and in the case of an L2TPv3 session into
74 struct l2tp_tunnel *tunnel; /* back pointer to tunnel context */ member
86 u32 nr_max; /* max NR. Depends on tunnel */
132 /* L2TP tunnel configuration */
150 /* Represents a tunnel instance.
152 * Holds the tunnel socket (either passed from userspace or directly created by the kernel).
153 * Maintains a hashlist of sessions belonging to the tunnel instance.
164 bool acpt_newsess; /* indicates whether this tunnel accepts
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| /kernel/linux/linux-6.6/net/l2tp/ |
| D | l2tp_core.c | 151 l2tp_session_id_hash(struct l2tp_tunnel *tunnel, u32 session_id) in l2tp_session_id_hash() argument
153 return &tunnel->session_hlist[hash_32(session_id, L2TP_HASH_BITS)]; in l2tp_session_id_hash()
156 static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel) in l2tp_tunnel_free() argument
158 trace_free_tunnel(tunnel); in l2tp_tunnel_free()
159 sock_put(tunnel->sock); in l2tp_tunnel_free()
160 /* the tunnel is freed in the socket destructor */ in l2tp_tunnel_free()
166 if (session->tunnel) in l2tp_session_free()
167 l2tp_tunnel_dec_refcount(session->tunnel); in l2tp_session_free()
173 struct l2tp_tunnel *tunnel = sk->sk_user_data; in l2tp_sk_to_tunnel() local
175 if (tunnel) in l2tp_sk_to_tunnel()
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| D | l2tp_ppp.c | 27 * zero, the socket is treated as a special tunnel management socket.
151 /* Helpers to obtain tunnel/session contexts from sockets.
272 struct l2tp_tunnel *tunnel; in pppol2tp_sendmsg() local
279 /* Get session and tunnel contexts */ in pppol2tp_sendmsg()
285 tunnel = session->tunnel; in pppol2tp_sendmsg()
287 uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0; in pppol2tp_sendmsg()
349 struct l2tp_tunnel *tunnel; in pppol2tp_xmit() local
355 /* Get session and tunnel contexts from the socket */ in pppol2tp_xmit()
360 tunnel = session->tunnel; in pppol2tp_xmit()
362 uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0; in pppol2tp_xmit()
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| D | l2tp_netlink.c | 38 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_tunnel_get_session(tunnel, session_id); in l2tp_nl_session_get()
65 l2tp_tunnel_dec_refcount(tunnel); in l2tp_nl_session_get()
104 struct l2tp_tunnel *tunnel, in l2tp_tunnel_notify() argument
115 NLM_F_ACK, tunnel, cmd); in l2tp_tunnel_notify()
192 struct l2tp_tunnel *tunnel; in l2tp_nl_cmd_tunnel_create() local
220 /* Managed tunnels take the tunnel socket from userspace. in l2tp_nl_cmd_tunnel_create()
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| D | l2tp_debugfs.c | 37 int tunnel_idx; /* current tunnel */
38 int session_idx; /* index of session within 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_dec_refcount(pd->tunnel); in l2tp_dfs_next_tunnel()
49 pd->tunnel = l2tp_tunnel_get_nth(pd->net, pd->tunnel_idx); in l2tp_dfs_next_tunnel()
59 pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx); in l2tp_dfs_next_session()
82 if (!pd->tunnel) in l2tp_dfs_seq_start()
87 /* NULL tunnel and session indicates end of list */ in l2tp_dfs_seq_start()
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| D | l2tp_core.h | 18 /* Random numbers used for internal consistency checks of tunnel and session structures */
22 /* Per tunnel session hash table size */
66 * Is linked into a per-tunnel session hashlist; and in the case of an L2TPv3 session into
74 struct l2tp_tunnel *tunnel; /* back pointer to tunnel context */ member
86 u32 nr_max; /* max NR. Depends on tunnel */
132 /* L2TP tunnel configuration */
150 /* Represents a tunnel instance.
152 * Holds the tunnel socket (either passed from userspace or directly created by the kernel).
153 * Maintains a hashlist of sessions belonging to the tunnel instance.
164 bool acpt_newsess; /* indicates whether this tunnel accepts
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| D | trace.h | 28 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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| /kernel/linux/linux-5.10/Documentation/networking/ |
| D | l2tp.rst | 27 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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| /kernel/linux/linux-6.6/Documentation/networking/ |
| D | l2tp.rst | 27 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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| /kernel/linux/linux-5.10/include/uapi/linux/ |
| D | ip6_tunnel.h | 28 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 protocol */
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| /kernel/linux/linux-6.6/include/uapi/linux/ |
| D | ip6_tunnel.h | 28 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 protocol */
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| /kernel/linux/linux-5.10/net/ipv4/ |
| D | ip_tunnel.c | 72 /* Fallback tunnel: no source, no destination, no key, no options
74 Tunnel hash table:
76 it will match only tunnel with the same key; if it is not present,
77 it will match only keyless tunnel.
80 will match fallback tunnel.
81 Given src, dst and key, find appropriate for input tunnel.
237 struct ip_tunnel *tunnel; in __ip_tunnel_create() local
263 tunnel = netdev_priv(dev); in __ip_tunnel_create()
264 tunnel->parms = *parms; in __ip_tunnel_create()
265 tunnel->net = net; in __ip_tunnel_create()
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| /kernel/linux/linux-6.6/net/ipv4/ |
| D | ip_tunnel.c | 73 /* Fallback tunnel: no source, no destination, no key, no options
75 Tunnel hash table:
77 it will match only tunnel with the same key; if it is not present,
78 it will match only keyless tunnel.
81 will match fallback tunnel.
82 Given src, dst and key, find appropriate for input tunnel.
237 struct ip_tunnel *tunnel; in __ip_tunnel_create() local
263 tunnel = netdev_priv(dev); in __ip_tunnel_create()
264 tunnel->parms = *parms; in __ip_tunnel_create()
265 tunnel->net = net; in __ip_tunnel_create()
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| /kernel/linux/linux-6.6/drivers/net/ |
| D | amt.c | 121 static u32 amt_source_hash(struct amt_tunnel_list *tunnel, union amt_addr *src) in amt_source_hash() argument
123 u32 hash = jhash(src, sizeof(*src), tunnel->amt->hash_seed); in amt_source_hash()
125 return reciprocal_scale(hash, tunnel->amt->hash_buckets); in amt_source_hash()
182 static struct amt_source_node *amt_lookup_src(struct amt_tunnel_list *tunnel, in amt_lookup_src() argument
187 u32 hash = amt_source_hash(tunnel, src); in amt_lookup_src()
198 static u32 amt_group_hash(struct amt_tunnel_list *tunnel, union amt_addr *group) in amt_group_hash() argument
200 u32 hash = jhash(group, sizeof(*group), tunnel->amt->hash_seed); in amt_group_hash()
202 return reciprocal_scale(hash, tunnel->amt->hash_buckets); in amt_group_hash()
205 static struct amt_group_node *amt_lookup_group(struct amt_tunnel_list *tunnel, in amt_lookup_group() argument
210 u32 hash = amt_group_hash(tunnel, group); in amt_lookup_group()
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