1 files changed, 45 insertions, 27 deletions

diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h
index 65da430e260f..704fd415c2b4 100644
--- a/include/linux/inet_diag.h
+++ b/include/linux/inet_diag.h
@@ -1,30 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _INET_DIAG_H_
 #define _INET_DIAG_H_ 1
 
+#include <net/netlink.h>
 #include <uapi/linux/inet_diag.h>
 
-struct net;
-struct sock;
 struct inet_hashinfo;
-struct nlattr;
-struct nlmsghdr;
-struct sk_buff;
-struct netlink_callback;
 
 struct inet_diag_handler {
+	struct module	*owner;
 	void		(*dump)(struct sk_buff *skb,
 				struct netlink_callback *cb,
-				const struct inet_diag_req_v2 *r,
-				struct nlattr *bc);
+				const struct inet_diag_req_v2 *r);
 
-	int		(*dump_one)(struct sk_buff *in_skb,
-				    const struct nlmsghdr *nlh,
+	int		(*dump_one)(struct netlink_callback *cb,
 				    const struct inet_diag_req_v2 *req);
 
 	void		(*idiag_get_info)(struct sock *sk,
 					  struct inet_diag_msg *r,
 					  void *info);
 
+	int		(*idiag_get_aux)(struct sock *sk,
+					 bool net_admin,
+					 struct sk_buff *skb);
+
 	int		(*destroy)(struct sk_buff *in_skb,
 				   const struct inet_diag_req_v2 *req);
 
@@ -32,28 +31,47 @@ struct inet_diag_handler {
 	__u16		idiag_info_size;
 };
 
+struct bpf_sk_storage_diag;
+struct inet_diag_dump_data {
+	struct nlattr *req_nlas[__INET_DIAG_REQ_MAX];
+#define inet_diag_nla_bc req_nlas[INET_DIAG_REQ_BYTECODE]
+#define inet_diag_nla_bpf_stgs req_nlas[INET_DIAG_REQ_SK_BPF_STORAGES]
+
+	struct bpf_sk_storage_diag *bpf_stg_diag;
+	bool mark_needed;	/* INET_DIAG_BC_MARK_COND present. */
+#ifdef CONFIG_SOCK_CGROUP_DATA
+	bool cgroup_needed;	/* INET_DIAG_BC_CGROUP_COND present. */
+#endif
+	bool userlocks_needed;	/* INET_DIAG_BC_AUTO present. */
+};
+
 struct inet_connection_sock;
 int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
-		      struct sk_buff *skb, const struct inet_diag_req_v2 *req,
-		      struct user_namespace *user_ns,
-		      u32 pid, u32 seq, u16 nlmsg_flags,
-		      const struct nlmsghdr *unlh, bool net_admin);
-void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
-			 struct netlink_callback *cb,
-			 const struct inet_diag_req_v2 *r,
-			 struct nlattr *bc);
-int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
-			    struct sk_buff *in_skb, const struct nlmsghdr *nlh,
-			    const struct inet_diag_req_v2 *req);
-
-struct sock *inet_diag_find_one_icsk(struct net *net,
-				     struct inet_hashinfo *hashinfo,
-				     const struct inet_diag_req_v2 *req);
-
-int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
+		      struct sk_buff *skb, struct netlink_callback *cb,
+		      const struct inet_diag_req_v2 *req,
+		      u16 nlmsg_flags, bool net_admin);
+
+int inet_diag_bc_sk(const struct inet_diag_dump_data *cb_data, struct sock *sk);
 
 void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk);
 
+static inline size_t inet_diag_msg_attrs_size(void)
+{
+	return	  nla_total_size(1)  /* INET_DIAG_SHUTDOWN */
+		+ nla_total_size(1)  /* INET_DIAG_TOS */
+#if IS_ENABLED(CONFIG_IPV6)
+		+ nla_total_size(1)  /* INET_DIAG_TCLASS */
+		+ nla_total_size(1)  /* INET_DIAG_SKV6ONLY */
+#endif
+		+ nla_total_size(4)  /* INET_DIAG_MARK */
+		+ nla_total_size(4)  /* INET_DIAG_CLASS_ID */
+#ifdef CONFIG_SOCK_CGROUP_DATA
+		+ nla_total_size_64bit(sizeof(u64))  /* INET_DIAG_CGROUP_ID */
+#endif
+		+ nla_total_size(sizeof(struct inet_diag_sockopt))
+						     /* INET_DIAG_SOCKOPT */
+		;
+}
 int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
 			     struct inet_diag_msg *r, int ext,
 			     struct user_namespace *user_ns, bool net_admin);