Update kernel headers

Update kernel headers to commit:
    bd0b33b24897 ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net")

Signed-off-by: David Ahern <dsahern@kernel.org>

include/uapi/linux/bpf.h

@@ -189,6 +189,7 @@ enum bpf_prog_type {
 	BPF_PROG_TYPE_STRUCT_OPS,
 	BPF_PROG_TYPE_EXT,
 	BPF_PROG_TYPE_LSM,
+	BPF_PROG_TYPE_SK_LOOKUP,
 };
 
 enum bpf_attach_type {
@@ -227,6 +228,8 @@ enum bpf_attach_type {
 	BPF_CGROUP_INET6_GETSOCKNAME,
 	BPF_XDP_DEVMAP,
 	BPF_CGROUP_INET_SOCK_RELEASE,
+	BPF_XDP_CPUMAP,
+	BPF_SK_LOOKUP,
 	__MAX_BPF_ATTACH_TYPE
 };
 
@@ -2419,7 +2422,7 @@ union bpf_attr {
  *			Look for an IPv6 socket.
  *
  *		If the *netns* is a negative signed 32-bit integer, then the
- *		socket lookup table in the netns associated with the *ctx* will
+ *		socket lookup table in the netns associated with the *ctx*
  *		will be used. For the TC hooks, this is the netns of the device
  *		in the skb. For socket hooks, this is the netns of the socket.
  *		If *netns* is any other signed 32-bit value greater than or
@@ -2456,7 +2459,7 @@ union bpf_attr {
  *			Look for an IPv6 socket.
  *
  *		If the *netns* is a negative signed 32-bit integer, then the
- *		socket lookup table in the netns associated with the *ctx* will
+ *		socket lookup table in the netns associated with the *ctx*
  *		will be used. For the TC hooks, this is the netns of the device
  *		in the skb. For socket hooks, this is the netns of the socket.
  *		If *netns* is any other signed 32-bit value greater than or
@@ -3068,6 +3071,10 @@ union bpf_attr {
  *
  * long bpf_sk_assign(struct sk_buff *skb, struct bpf_sock *sk, u64 flags)
  *	Description
+ *		Helper is overloaded depending on BPF program type. This
+ *		description applies to **BPF_PROG_TYPE_SCHED_CLS** and
+ *		**BPF_PROG_TYPE_SCHED_ACT** programs.
+ *
  *		Assign the *sk* to the *skb*. When combined with appropriate
  *		routing configuration to receive the packet towards the socket,
  *		will cause *skb* to be delivered to the specified socket.
@@ -3093,6 +3100,56 @@ union bpf_attr {
  *		**-ESOCKTNOSUPPORT** if the socket type is not supported
  *		(reuseport).
  *
+ * long bpf_sk_assign(struct bpf_sk_lookup *ctx, struct bpf_sock *sk, u64 flags)
+ *	Description
+ *		Helper is overloaded depending on BPF program type. This
+ *		description applies to **BPF_PROG_TYPE_SK_LOOKUP** programs.
+ *
+ *		Select the *sk* as a result of a socket lookup.
+ *
+ *		For the operation to succeed passed socket must be compatible
+ *		with the packet description provided by the *ctx* object.
+ *
+ *		L4 protocol (**IPPROTO_TCP** or **IPPROTO_UDP**) must
+ *		be an exact match. While IP family (**AF_INET** or
+ *		**AF_INET6**) must be compatible, that is IPv6 sockets
+ *		that are not v6-only can be selected for IPv4 packets.
+ *
+ *		Only TCP listeners and UDP unconnected sockets can be
+ *		selected. *sk* can also be NULL to reset any previous
+ *		selection.
+ *
+ *		*flags* argument can combination of following values:
+ *
+ *		* **BPF_SK_LOOKUP_F_REPLACE** to override the previous
+ *		  socket selection, potentially done by a BPF program
+ *		  that ran before us.
+ *
+ *		* **BPF_SK_LOOKUP_F_NO_REUSEPORT** to skip
+ *		  load-balancing within reuseport group for the socket
+ *		  being selected.
+ *
+ *		On success *ctx->sk* will point to the selected socket.
+ *
+ *	Return
+ *		0 on success, or a negative errno in case of failure.
+ *
+ *		* **-EAFNOSUPPORT** if socket family (*sk->family*) is
+ *		  not compatible with packet family (*ctx->family*).
+ *
+ *		* **-EEXIST** if socket has been already selected,
+ *		  potentially by another program, and
+ *		  **BPF_SK_LOOKUP_F_REPLACE** flag was not specified.
+ *
+ *		* **-EINVAL** if unsupported flags were specified.
+ *
+ *		* **-EPROTOTYPE** if socket L4 protocol
+ *		  (*sk->protocol*) doesn't match packet protocol
+ *		  (*ctx->protocol*).
+ *
+ *		* **-ESOCKTNOSUPPORT** if socket is not in allowed
+ *		  state (TCP listening or UDP unconnected).
+ *
  * u64 bpf_ktime_get_boot_ns(void)
  * 	Description
  * 		Return the time elapsed since system boot, in nanoseconds.
@@ -3606,6 +3663,12 @@ enum {
 	BPF_RINGBUF_HDR_SZ		= 8,
 };
 
+/* BPF_FUNC_sk_assign flags in bpf_sk_lookup context. */
+enum {
+	BPF_SK_LOOKUP_F_REPLACE		= (1ULL << 0),
+	BPF_SK_LOOKUP_F_NO_REUSEPORT	= (1ULL << 1),
+};
+
 /* Mode for BPF_FUNC_skb_adjust_room helper. */
 enum bpf_adj_room_mode {
 	BPF_ADJ_ROOM_NET,
@@ -3849,6 +3912,19 @@ struct bpf_devmap_val {
 	} bpf_prog;
 };
 
+/* CPUMAP map-value layout
+ *
+ * The struct data-layout of map-value is a configuration interface.
+ * New members can only be added to the end of this structure.
+ */
+struct bpf_cpumap_val {
+	__u32 qsize;	/* queue size to remote target CPU */
+	union {
+		int   fd;	/* prog fd on map write */
+		__u32 id;	/* prog id on map read */
+	} bpf_prog;
+};
+
 enum sk_action {
 	SK_DROP = 0,
 	SK_PASS,
@@ -3986,7 +4062,7 @@ struct bpf_link_info {
 
 /* User bpf_sock_addr struct to access socket fields and sockaddr struct passed
  * by user and intended to be used by socket (e.g. to bind to, depends on
- * attach attach type).
+ * attach type).
  */
 struct bpf_sock_addr {
 	__u32 user_family;	/* Allows 4-byte read, but no write. */
@@ -4335,4 +4411,19 @@ struct bpf_pidns_info {
 	__u32 pid;
 	__u32 tgid;
 };
+
+/* User accessible data for SK_LOOKUP programs. Add new fields at the end. */
+struct bpf_sk_lookup {
+	__bpf_md_ptr(struct bpf_sock *, sk); /* Selected socket */
+
+	__u32 family;		/* Protocol family (AF_INET, AF_INET6) */
+	__u32 protocol;		/* IP protocol (IPPROTO_TCP, IPPROTO_UDP) */
+	__u32 remote_ip4;	/* Network byte order */
+	__u32 remote_ip6[4];	/* Network byte order */
+	__u32 remote_port;	/* Network byte order */
+	__u32 local_ip4;	/* Network byte order */
+	__u32 local_ip6[4];	/* Network byte order */
+	__u32 local_port;	/* Host byte order */
+};
+
 #endif /* __LINUX_BPF_H__ */

include/uapi/linux/icmpv6.h

@@ -68,6 +68,7 @@ struct icmp6hdr {
 #define icmp6_mtu		icmp6_dataun.un_data32[0]
 #define icmp6_unused		icmp6_dataun.un_data32[0]
 #define icmp6_maxdelay		icmp6_dataun.un_data16[0]
+#define icmp6_datagram_len	icmp6_dataun.un_data8[0]
 #define icmp6_router		icmp6_dataun.u_nd_advt.router
 #define icmp6_solicited		icmp6_dataun.u_nd_advt.solicited
 #define icmp6_override		icmp6_dataun.u_nd_advt.override

include/uapi/linux/if_link.h

@@ -170,12 +170,22 @@ enum {
 	IFLA_PROP_LIST,
 	IFLA_ALT_IFNAME, /* Alternative ifname */
 	IFLA_PERM_ADDRESS,
+	IFLA_PROTO_DOWN_REASON,
 	__IFLA_MAX
 };
 
 
 #define IFLA_MAX (__IFLA_MAX - 1)
 
+enum {
+	IFLA_PROTO_DOWN_REASON_UNSPEC,
+	IFLA_PROTO_DOWN_REASON_MASK,	/* u32, mask for reason bits */
+	IFLA_PROTO_DOWN_REASON_VALUE,   /* u32, reason bit value */
+
+	__IFLA_PROTO_DOWN_REASON_CNT,
+	IFLA_PROTO_DOWN_REASON_MAX = __IFLA_PROTO_DOWN_REASON_CNT - 1
+};
+
 /* backwards compatibility for userspace */
 #define IFLA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
 #define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
@@ -599,7 +609,6 @@ enum {
 	IFLA_BAREUDP_ETHERTYPE,
 	IFLA_BAREUDP_SRCPORT_MIN,
 	IFLA_BAREUDP_MULTIPROTO_MODE,
-	IFLA_BAREUDP_RX_COLLECT_METADATA,
 	__IFLA_BAREUDP_MAX
 };
 
@@ -906,7 +915,14 @@ enum {
 #define IFLA_IPOIB_MAX (__IFLA_IPOIB_MAX - 1)
 
 
-/* HSR section */
+/* HSR/PRP section, both uses same interface */
+
+/* Different redundancy protocols for hsr device */
+enum {
+	HSR_PROTOCOL_HSR,
+	HSR_PROTOCOL_PRP,
+	HSR_PROTOCOL_MAX,
+};
 
 enum {
 	IFLA_HSR_UNSPEC,
@@ -916,6 +932,9 @@ enum {
 	IFLA_HSR_SUPERVISION_ADDR,	/* Supervision frame multicast addr */
 	IFLA_HSR_SEQ_NR,
 	IFLA_HSR_VERSION,		/* HSR version */
+	IFLA_HSR_PROTOCOL,		/* Indicate different protocol than
+					 * HSR. For example PRP.
+					 */
 	__IFLA_HSR_MAX,
 };
 

include/uapi/linux/in.h

@@ -123,6 +123,7 @@ struct in_addr {
 #define IP_CHECKSUM	23
 #define IP_BIND_ADDRESS_NO_PORT	24
 #define IP_RECVFRAGSIZE	25
+#define IP_RECVERR_RFC4884	26
 
 /* IP_MTU_DISCOVER values */
 #define IP_PMTUDISC_DONT		0	/* Never send DF frames */

include/uapi/linux/in6.h

@@ -179,6 +179,7 @@ struct in6_flowlabel_req {
 #define IPV6_LEAVE_ANYCAST	28
 #define IPV6_MULTICAST_ALL	29
 #define IPV6_ROUTER_ALERT_ISOLATE	30
+#define IPV6_RECVERR_RFC4884	31
 
 /* IPV6_MTU_DISCOVER values */
 #define IPV6_PMTUDISC_DONT		0

include/uapi/linux/pkt_cls.h

@@ -578,6 +578,9 @@ enum {
 
 	TCA_FLOWER_KEY_MPLS_OPTS,
 
+	TCA_FLOWER_KEY_HASH,		/* u32 */
+	TCA_FLOWER_KEY_HASH_MASK,	/* u32 */
+
 	__TCA_FLOWER_MAX,
 };
 

include/uapi/linux/snmp.h

@@ -287,6 +287,7 @@ enum
 	LINUX_MIB_TCPFASTOPENPASSIVEALTKEY,	/* TCPFastOpenPassiveAltKey */
 	LINUX_MIB_TCPTIMEOUTREHASH,		/* TCPTimeoutRehash */
 	LINUX_MIB_TCPDUPLICATEDATAREHASH,	/* TCPDuplicateDataRehash */
+	LINUX_MIB_TCPDSACKRECVSEGS,		/* TCPDSACKRecvSegs */
 	__LINUX_MIB_MAX
 };
 

include/uapi/linux/tcp.h

@@ -313,6 +313,7 @@ enum {
 	TCP_NLA_SRTT,		/* smoothed RTT in usecs */
 	TCP_NLA_TIMEOUT_REHASH, /* Timeout-triggered rehash attempts */
 	TCP_NLA_BYTES_NOTSENT,	/* Bytes in write queue not yet sent */
+	TCP_NLA_EDT,		/* Earliest departure time (CLOCK_MONOTONIC) */
 };
 
 /* for TCP_MD5SIG socket option */

include/uapi/linux/xfrm.h

@@ -387,6 +387,7 @@ struct xfrm_usersa_info {
 };
 
 #define XFRM_SA_XFLAG_DONT_ENCAP_DSCP	1
+#define XFRM_SA_XFLAG_OSEQ_MAY_WRAP	2
 
 struct xfrm_usersa_id {
 	xfrm_address_t			daddr;