summaryrefslogtreecommitdiff
path: root/include/net
diff options
context:
space:
mode:
Diffstat (limited to 'include/net')
-rw-r--r--include/net/bluetooth/bluetooth.h12
-rw-r--r--include/net/bluetooth/hci.h28
-rw-r--r--include/net/bluetooth/hci_core.h107
-rw-r--r--include/net/bluetooth/hci_sock.h4
-rw-r--r--include/net/bluetooth/mgmt.h95
-rw-r--r--include/net/bluetooth/sco.h2
-rw-r--r--include/net/mptcp.h11
-rw-r--r--include/net/request_sock.h2
-rw-r--r--include/net/tcp.h2
-rw-r--r--include/net/xfrm.h5
10 files changed, 251 insertions, 17 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 18190055374c..9125effbf448 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -41,6 +41,8 @@
#define BLUETOOTH_VER_1_1 1
#define BLUETOOTH_VER_1_2 2
#define BLUETOOTH_VER_2_0 3
+#define BLUETOOTH_VER_2_1 4
+#define BLUETOOTH_VER_4_0 6
/* Reserv for core and drivers use */
#define BT_SKB_RESERVE 8
@@ -147,6 +149,10 @@ struct bt_voice {
#define BT_MODE_LE_FLOWCTL 0x03
#define BT_MODE_EXT_FLOWCTL 0x04
+#define BT_PKT_STATUS 16
+
+#define BT_SCM_PKT_STATUS 0x03
+
__printf(1, 2)
void bt_info(const char *fmt, ...);
__printf(1, 2)
@@ -286,6 +292,7 @@ struct bt_sock {
struct sock *parent;
unsigned long flags;
void (*skb_msg_name)(struct sk_buff *, void *, int *);
+ void (*skb_put_cmsg)(struct sk_buff *, struct msghdr *, struct sock *);
};
enum {
@@ -335,6 +342,10 @@ struct l2cap_ctrl {
struct l2cap_chan *chan;
};
+struct sco_ctrl {
+ u8 pkt_status;
+};
+
struct hci_dev;
typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
@@ -361,6 +372,7 @@ struct bt_skb_cb {
u8 incoming:1;
union {
struct l2cap_ctrl l2cap;
+ struct sco_ctrl sco;
struct hci_ctrl hci;
};
};
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 16ab6ce87883..c8e67042a3b1 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -227,6 +227,17 @@ enum {
* supported.
*/
HCI_QUIRK_VALID_LE_STATES,
+
+ /* When this quirk is set, then erroneous data reporting
+ * is ignored. This is mainly due to the fact that the HCI
+ * Read Default Erroneous Data Reporting command is advertised,
+ * but not supported; these controllers often reply with unknown
+ * command and tend to lock up randomly. Needing a hard reset.
+ *
+ * This quirk can be set before hci_register_dev is called or
+ * during the hdev->setup vendor callback.
+ */
+ HCI_QUIRK_BROKEN_ERR_DATA_REPORTING,
};
/* HCI device flags */
@@ -307,6 +318,7 @@ enum {
HCI_FORCE_BREDR_SMP,
HCI_FORCE_STATIC_ADDR,
HCI_LL_RPA_RESOLUTION,
+ HCI_ENABLE_LL_PRIVACY,
HCI_CMD_PENDING,
HCI_FORCE_NO_MITM,
@@ -1637,6 +1649,8 @@ struct hci_rp_le_read_resolv_list_size {
#define HCI_OP_LE_SET_ADDR_RESOLV_ENABLE 0x202d
+#define HCI_OP_LE_SET_RPA_TIMEOUT 0x202e
+
#define HCI_OP_LE_READ_MAX_DATA_LEN 0x202f
struct hci_rp_le_read_max_data_len {
__u8 status;
@@ -2268,8 +2282,10 @@ struct hci_ev_le_conn_complete {
#define LE_EXT_ADV_SCAN_RSP 0x0008
#define LE_EXT_ADV_LEGACY_PDU 0x0010
-#define ADDR_LE_DEV_PUBLIC 0x00
-#define ADDR_LE_DEV_RANDOM 0x01
+#define ADDR_LE_DEV_PUBLIC 0x00
+#define ADDR_LE_DEV_RANDOM 0x01
+#define ADDR_LE_DEV_PUBLIC_RESOLVED 0x02
+#define ADDR_LE_DEV_RANDOM_RESOLVED 0x03
#define HCI_EV_LE_ADVERTISING_REPORT 0x02
struct hci_ev_le_advertising_info {
@@ -2516,4 +2532,12 @@ static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
#define hci_iso_data_len(h) ((h) & 0x3fff)
#define hci_iso_data_flags(h) ((h) >> 14)
+/* le24 support */
+static inline void hci_cpu_to_le24(__u32 val, __u8 dst[3])
+{
+ dst[0] = val & 0xff;
+ dst[1] = (val & 0xff00) >> 8;
+ dst[2] = (val & 0xff0000) >> 16;
+}
+
#endif /* __HCI_H */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index cdd4f1db8670..8caac20556b4 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -25,6 +25,7 @@
#ifndef __HCI_CORE_H
#define __HCI_CORE_H
+#include <linux/idr.h>
#include <linux/leds.h>
#include <linux/rculist.h>
@@ -136,6 +137,23 @@ struct bdaddr_list_with_irk {
u8 local_irk[16];
};
+struct bdaddr_list_with_flags {
+ struct list_head list;
+ bdaddr_t bdaddr;
+ u8 bdaddr_type;
+ u32 current_flags;
+};
+
+enum hci_conn_flags {
+ HCI_CONN_FLAG_REMOTE_WAKEUP,
+ HCI_CONN_FLAG_MAX
+};
+
+#define hci_conn_test_flag(nr, flags) ((flags) & (1U << nr))
+
+/* Make sure number of flags doesn't exceed sizeof(current_flags) */
+static_assert(HCI_CONN_FLAG_MAX < 32);
+
struct bt_uuid {
struct list_head list;
u8 uuid[16];
@@ -220,6 +238,24 @@ struct adv_info {
#define HCI_MAX_ADV_INSTANCES 5
#define HCI_DEFAULT_ADV_DURATION 2
+struct adv_pattern {
+ struct list_head list;
+ __u8 ad_type;
+ __u8 offset;
+ __u8 length;
+ __u8 value[HCI_MAX_AD_LENGTH];
+};
+
+struct adv_monitor {
+ struct list_head patterns;
+ bool active;
+ __u16 handle;
+};
+
+#define HCI_MIN_ADV_MONITOR_HANDLE 1
+#define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32
+#define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16
+
#define HCI_MAX_SHORT_NAME_LENGTH 10
/* Min encryption key size to match with SMP */
@@ -295,6 +331,14 @@ struct hci_dev {
__u8 le_scan_type;
__u16 le_scan_interval;
__u16 le_scan_window;
+ __u16 le_scan_int_suspend;
+ __u16 le_scan_window_suspend;
+ __u16 le_scan_int_discovery;
+ __u16 le_scan_window_discovery;
+ __u16 le_scan_int_adv_monitor;
+ __u16 le_scan_window_adv_monitor;
+ __u16 le_scan_int_connect;
+ __u16 le_scan_window_connect;
__u16 le_conn_min_interval;
__u16 le_conn_max_interval;
__u16 le_conn_latency;
@@ -323,6 +367,17 @@ struct hci_dev {
__u16 devid_product;
__u16 devid_version;
+ __u8 def_page_scan_type;
+ __u16 def_page_scan_int;
+ __u16 def_page_scan_window;
+ __u8 def_inq_scan_type;
+ __u16 def_inq_scan_int;
+ __u16 def_inq_scan_window;
+ __u16 def_br_lsto;
+ __u16 def_page_timeout;
+ __u16 def_multi_adv_rotation_duration;
+ __u16 def_le_autoconnect_timeout;
+
__u16 pkt_type;
__u16 esco_type;
__u16 link_policy;
@@ -438,7 +493,6 @@ struct hci_dev {
struct list_head mgmt_pending;
struct list_head blacklist;
struct list_head whitelist;
- struct list_head wakeable;
struct list_head uuids;
struct list_head link_keys;
struct list_head long_term_keys;
@@ -477,6 +531,9 @@ struct hci_dev {
__u16 adv_instance_timeout;
struct delayed_work adv_instance_expire;
+ struct idr adv_monitors_idr;
+ unsigned int adv_monitors_cnt;
+
__u8 irk[16];
__u32 rpa_timeout;
struct delayed_work rpa_expired;
@@ -508,6 +565,12 @@ struct hci_dev {
#define HCI_PHY_HANDLE(handle) (handle & 0xff)
+enum conn_reasons {
+ CONN_REASON_PAIR_DEVICE,
+ CONN_REASON_L2CAP_CHAN,
+ CONN_REASON_SCO_CONNECT,
+};
+
struct hci_conn {
struct list_head list;
@@ -559,6 +622,8 @@ struct hci_conn {
__s8 max_tx_power;
unsigned long flags;
+ enum conn_reasons conn_reason;
+
__u32 clock;
__u16 clock_accuracy;
@@ -626,7 +691,7 @@ struct hci_conn_params {
struct hci_conn *conn;
bool explicit_connect;
- bool wakeable;
+ u32 current_flags;
};
extern struct list_head hci_dev_list;
@@ -984,12 +1049,14 @@ struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
u8 dst_type, u8 sec_level,
- u16 conn_timeout);
+ u16 conn_timeout,
+ enum conn_reasons conn_reason);
struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
u8 dst_type, u8 sec_level, u16 conn_timeout,
u8 role, bdaddr_t *direct_rpa);
struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
- u8 sec_level, u8 auth_type);
+ u8 sec_level, u8 auth_type,
+ enum conn_reasons conn_reason);
struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
__u16 setting);
int hci_conn_check_link_mode(struct hci_conn *conn);
@@ -1151,12 +1218,19 @@ struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
struct list_head *list, bdaddr_t *bdaddr,
u8 type);
+struct bdaddr_list_with_flags *
+hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
+ u8 type);
int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
- u8 type, u8 *peer_irk, u8 *local_irk);
+ u8 type, u8 *peer_irk, u8 *local_irk);
+int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
+ u8 type, u32 flags);
int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
- u8 type);
+ u8 type);
+int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
+ u8 type);
void hci_bdaddr_list_clear(struct list_head *list);
struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
@@ -1217,6 +1291,12 @@ int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
+void hci_adv_monitors_clear(struct hci_dev *hdev);
+void hci_free_adv_monitor(struct adv_monitor *monitor);
+int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
+int hci_remove_adv_monitor(struct hci_dev *hdev, u16 handle);
+bool hci_is_adv_monitoring(struct hci_dev *hdev);
+
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
void hci_init_sysfs(struct hci_dev *hdev);
@@ -1279,6 +1359,9 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
+/* Use LL Privacy based address resolution if supported */
+#define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
+
/* Use ext scanning if set ext scan param and ext scan enable is supported */
#define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
((dev)->commands[37] & 0x40))
@@ -1387,7 +1470,7 @@ static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
__u8 encrypt;
if (conn->state == BT_CONFIG) {
- if (status)
+ if (!status)
conn->state = BT_CONNECTED;
hci_connect_cfm(conn, status);
@@ -1402,11 +1485,13 @@ static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
else
encrypt = 0x01;
- if (conn->sec_level == BT_SECURITY_SDP)
- conn->sec_level = BT_SECURITY_LOW;
+ if (!status) {
+ if (conn->sec_level == BT_SECURITY_SDP)
+ conn->sec_level = BT_SECURITY_LOW;
- if (conn->pending_sec_level > conn->sec_level)
- conn->sec_level = conn->pending_sec_level;
+ if (conn->pending_sec_level > conn->sec_level)
+ conn->sec_level = conn->pending_sec_level;
+ }
mutex_lock(&hci_cb_list_lock);
list_for_each_entry(cb, &hci_cb_list, list) {
diff --git a/include/net/bluetooth/hci_sock.h b/include/net/bluetooth/hci_sock.h
index 9352bb1bf34c..9949870f7d78 100644
--- a/include/net/bluetooth/hci_sock.h
+++ b/include/net/bluetooth/hci_sock.h
@@ -31,8 +31,8 @@
#define HCI_TIME_STAMP 3
/* CMSG flags */
-#define HCI_CMSG_DIR 0x0001
-#define HCI_CMSG_TSTAMP 0x0002
+#define HCI_CMSG_DIR 0x01
+#define HCI_CMSG_TSTAMP 0x02
struct sockaddr_hci {
sa_family_t hci_family;
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 16e0d87bd8fa..beae5c3980f0 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -52,6 +52,12 @@ struct mgmt_hdr {
__le16 len;
} __packed;
+struct mgmt_tlv {
+ __le16 type;
+ __u8 length;
+ __u8 value[];
+} __packed;
+
struct mgmt_addr_info {
bdaddr_t bdaddr;
__u8 type;
@@ -702,6 +708,78 @@ struct mgmt_rp_set_exp_feature {
__le32 flags;
} __packed;
+#define MGMT_OP_READ_DEF_SYSTEM_CONFIG 0x004b
+#define MGMT_READ_DEF_SYSTEM_CONFIG_SIZE 0
+
+#define MGMT_OP_SET_DEF_SYSTEM_CONFIG 0x004c
+#define MGMT_SET_DEF_SYSTEM_CONFIG_SIZE 0
+
+#define MGMT_OP_READ_DEF_RUNTIME_CONFIG 0x004d
+#define MGMT_READ_DEF_RUNTIME_CONFIG_SIZE 0
+
+#define MGMT_OP_SET_DEF_RUNTIME_CONFIG 0x004e
+#define MGMT_SET_DEF_RUNTIME_CONFIG_SIZE 0
+
+#define MGMT_OP_GET_DEVICE_FLAGS 0x004F
+#define MGMT_GET_DEVICE_FLAGS_SIZE 7
+struct mgmt_cp_get_device_flags {
+ struct mgmt_addr_info addr;
+} __packed;
+struct mgmt_rp_get_device_flags {
+ struct mgmt_addr_info addr;
+ __le32 supported_flags;
+ __le32 current_flags;
+} __packed;
+
+#define MGMT_OP_SET_DEVICE_FLAGS 0x0050
+#define MGMT_SET_DEVICE_FLAGS_SIZE 11
+struct mgmt_cp_set_device_flags {
+ struct mgmt_addr_info addr;
+ __le32 current_flags;
+} __packed;
+struct mgmt_rp_set_device_flags {
+ struct mgmt_addr_info addr;
+} __packed;
+
+#define MGMT_ADV_MONITOR_FEATURE_MASK_OR_PATTERNS BIT(0)
+
+#define MGMT_OP_READ_ADV_MONITOR_FEATURES 0x0051
+#define MGMT_READ_ADV_MONITOR_FEATURES_SIZE 0
+struct mgmt_rp_read_adv_monitor_features {
+ __le32 supported_features;
+ __le32 enabled_features;
+ __le16 max_num_handles;
+ __u8 max_num_patterns;
+ __le16 num_handles;
+ __le16 handles[];
+} __packed;
+
+struct mgmt_adv_pattern {
+ __u8 ad_type;
+ __u8 offset;
+ __u8 length;
+ __u8 value[31];
+} __packed;
+
+#define MGMT_OP_ADD_ADV_PATTERNS_MONITOR 0x0052
+struct mgmt_cp_add_adv_patterns_monitor {
+ __u8 pattern_count;
+ struct mgmt_adv_pattern patterns[];
+} __packed;
+#define MGMT_ADD_ADV_PATTERNS_MONITOR_SIZE 1
+struct mgmt_rp_add_adv_patterns_monitor {
+ __le16 monitor_handle;
+} __packed;
+
+#define MGMT_OP_REMOVE_ADV_MONITOR 0x0053
+struct mgmt_cp_remove_adv_monitor {
+ __le16 monitor_handle;
+} __packed;
+#define MGMT_REMOVE_ADV_MONITOR_SIZE 2
+struct mgmt_rp_remove_adv_monitor {
+ __le16 monitor_handle;
+} __packed;
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
@@ -933,3 +1011,20 @@ struct mgmt_ev_exp_feature_changed {
__u8 uuid[16];
__le32 flags;
} __packed;
+
+#define MGMT_EV_DEVICE_FLAGS_CHANGED 0x002a
+struct mgmt_ev_device_flags_changed {
+ struct mgmt_addr_info addr;
+ __le32 supported_flags;
+ __le32 current_flags;
+} __packed;
+
+#define MGMT_EV_ADV_MONITOR_ADDED 0x002b
+struct mgmt_ev_adv_monitor_added {
+ __le16 monitor_handle;
+} __packed;
+
+#define MGMT_EV_ADV_MONITOR_REMOVED 0x002c
+struct mgmt_ev_adv_monitor_removed {
+ __le16 monitor_handle;
+} __packed;
diff --git a/include/net/bluetooth/sco.h b/include/net/bluetooth/sco.h
index f40ddb4264fc..1aa2e14b6c94 100644
--- a/include/net/bluetooth/sco.h
+++ b/include/net/bluetooth/sco.h
@@ -46,4 +46,6 @@ struct sco_conninfo {
__u8 dev_class[3];
};
+#define SCO_CMSG_PKT_STATUS 0x01
+
#endif /* __SCO_H */
diff --git a/include/net/mptcp.h b/include/net/mptcp.h
index 02158c257bd4..3525d2822abe 100644
--- a/include/net/mptcp.h
+++ b/include/net/mptcp.h
@@ -58,6 +58,7 @@ struct mptcp_out_options {
};
#ifdef CONFIG_MPTCP
+extern struct request_sock_ops mptcp_subflow_request_sock_ops;
void mptcp_init(void);
@@ -130,6 +131,9 @@ static inline bool mptcp_skb_can_collapse(const struct sk_buff *to,
}
void mptcp_seq_show(struct seq_file *seq);
+int mptcp_subflow_init_cookie_req(struct request_sock *req,
+ const struct sock *sk_listener,
+ struct sk_buff *skb);
#else
static inline void mptcp_init(void)
@@ -199,6 +203,13 @@ static inline bool mptcp_skb_can_collapse(const struct sk_buff *to,
static inline void mptcp_space(const struct sock *ssk, int *s, int *fs) { }
static inline void mptcp_seq_show(struct seq_file *seq) { }
+
+static inline int mptcp_subflow_init_cookie_req(struct request_sock *req,
+ const struct sock *sk_listener,
+ struct sk_buff *skb)
+{
+ return 0; /* TCP fallback */
+}
#endif /* CONFIG_MPTCP */
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index cf8b33213bbc..b2eb8b4ba697 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -54,7 +54,7 @@ struct request_sock {
struct request_sock *dl_next;
u16 mss;
u8 num_retrans; /* number of retransmits */
- u8 cookie_ts:1; /* syncookie: encode tcpopts in timestamp */
+ u8 syncookie:1; /* syncookie: encode tcpopts in timestamp */
u8 num_timeout:7; /* number of timeouts */
u32 ts_recent;
struct timer_list rsk_timer;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index e0c35d56091f..dbf5c791a6eb 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -469,6 +469,8 @@ struct sock *tcp_get_cookie_sock(struct sock *sk, struct sk_buff *skb,
int __cookie_v4_check(const struct iphdr *iph, const struct tcphdr *th,
u32 cookie);
struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb);
+struct request_sock *cookie_tcp_reqsk_alloc(const struct request_sock_ops *ops,
+ struct sock *sk, struct sk_buff *skb);
#ifdef CONFIG_SYN_COOKIES
/* Syncookies use a monotonic timer which increments every 60 seconds.
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 5e81868b574a..5c09ba299cde 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -374,7 +374,8 @@ struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family);
struct xfrm_state_afinfo *xfrm_state_afinfo_get_rcu(unsigned int family);
struct xfrm_input_afinfo {
- unsigned int family;
+ u8 family;
+ bool is_ipip;
int (*callback)(struct sk_buff *skb, u8 protocol,
int err);
};
@@ -1417,6 +1418,7 @@ struct xfrm6_protocol {
/* XFRM tunnel handlers. */
struct xfrm_tunnel {
int (*handler)(struct sk_buff *skb);
+ int (*cb_handler)(struct sk_buff *skb, int err);
int (*err_handler)(struct sk_buff *skb, u32 info);
struct xfrm_tunnel __rcu *next;
@@ -1425,6 +1427,7 @@ struct xfrm_tunnel {
struct xfrm6_tunnel {
int (*handler)(struct sk_buff *skb);
+ int (*cb_handler)(struct sk_buff *skb, int err);
int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info);
struct xfrm6_tunnel __rcu *next;