Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:

 1) Unified UDP encapsulation offload methods for drivers, from
    Alexander Duyck.

 2) Make DSA binding more sane, from Andrew Lunn.

 3) Support QCA9888 chips in ath10k, from Anilkumar Kolli.

 4) Several workqueue usage cleanups, from Bhaktipriya Shridhar.

 5) Add XDP (eXpress Data Path), essentially running BPF programs on RX
    packets as soon as the device sees them, with the option to mirror
    the packet on TX via the same interface.  From Brenden Blanco and
    others.

 6) Allow qdisc/class stats dumps to run lockless, from Eric Dumazet.

 7) Add VLAN support to b53 and bcm_sf2, from Florian Fainelli.

 8) Simplify netlink conntrack entry layout, from Florian Westphal.

 9) Add ipv4 forwarding support to mlxsw spectrum driver, from Ido
    Schimmel, Yotam Gigi, and Jiri Pirko.

10) Add SKB array infrastructure and convert tun and macvtap over to it.
    From Michael S Tsirkin and Jason Wang.

11) Support qdisc packet injection in pktgen, from John Fastabend.

12) Add neighbour monitoring framework to TIPC, from Jon Paul Maloy.

13) Add NV congestion control support to TCP, from Lawrence Brakmo.

14) Add GSO support to SCTP, from Marcelo Ricardo Leitner.

15) Allow GRO and RPS to function on macsec devices, from Paolo Abeni.

16) Support MPLS over IPV4, from Simon Horman.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1622 commits)
  xgene: Fix build warning with ACPI disabled.
  be2net: perform temperature query in adapter regardless of its interface state
  l2tp: Correctly return -EBADF from pppol2tp_getname.
  net/mlx5_core/health: Remove deprecated create_singlethread_workqueue
  net: ipmr/ip6mr: update lastuse on entry change
  macsec: ensure rx_sa is set when validation is disabled
  tipc: dump monitor attributes
  tipc: add a function to get the bearer name
  tipc: get monitor threshold for the cluster
  tipc: make cluster size threshold for monitoring configurable
  tipc: introduce constants for tipc address validation
  net: neigh: disallow transition to NUD_STALE if lladdr is unchanged in neigh_update()
  MAINTAINERS: xgene: Add driver and documentation path
  Documentation: dtb: xgene: Add MDIO node
  dtb: xgene: Add MDIO node
  drivers: net: xgene: ethtool: Use phy_ethtool_gset and sset
  drivers: net: xgene: Use exported functions
  drivers: net: xgene: Enable MDIO driver
  drivers: net: xgene: Add backward compatibility
  drivers: net: phy: xgene: Add MDIO driver
  ...

1 files changed, 42 insertions, 0 deletions

diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
index ce70fe6b45df..d304f4c9792c 100644
--- a/include/uapi/linux/sctp.h
+++ b/include/uapi/linux/sctp.h
@@ -112,6 +112,31 @@ typedef __s32 sctp_assoc_t;
 #define SCTP_SOCKOPT_CONNECTX	110		/* CONNECTX requests. */
 #define SCTP_SOCKOPT_CONNECTX3	111	/* CONNECTX requests (updated) */
 #define SCTP_GET_ASSOC_STATS	112	/* Read only */
+#define SCTP_PR_SUPPORTED	113
+#define SCTP_DEFAULT_PRINFO	114
+#define SCTP_PR_ASSOC_STATUS	115
+
+/* PR-SCTP policies */
+#define SCTP_PR_SCTP_NONE	0x0000
+#define SCTP_PR_SCTP_TTL	0x0010
+#define SCTP_PR_SCTP_RTX	0x0020
+#define SCTP_PR_SCTP_PRIO	0x0030
+#define SCTP_PR_SCTP_MAX	SCTP_PR_SCTP_PRIO
+#define SCTP_PR_SCTP_MASK	0x0030
+
+#define __SCTP_PR_INDEX(x)	((x >> 4) - 1)
+#define SCTP_PR_INDEX(x)	__SCTP_PR_INDEX(SCTP_PR_SCTP_ ## x)
+
+#define SCTP_PR_POLICY(x)	((x) & SCTP_PR_SCTP_MASK)
+#define SCTP_PR_SET_POLICY(flags, x)	\
+	do {				\
+		flags &= ~SCTP_PR_SCTP_MASK;	\
+		flags |= x;		\
+	} while (0)
+
+#define SCTP_PR_TTL_ENABLED(x)	(SCTP_PR_POLICY(x) == SCTP_PR_SCTP_TTL)
+#define SCTP_PR_RTX_ENABLED(x)	(SCTP_PR_POLICY(x) == SCTP_PR_SCTP_RTX)
+#define SCTP_PR_PRIO_ENABLED(x)	(SCTP_PR_POLICY(x) == SCTP_PR_SCTP_PRIO)
 
 /* These are bit fields for msghdr->msg_flags.  See section 5.1.  */
 /* On user space Linux, these live in <bits/socket.h> as an enum.  */
@@ -902,4 +927,21 @@ struct sctp_paddrthlds {
 	__u16 spt_pathpfthld;
 };
 
+/*
+ * Socket Option for Getting the Association/Stream-Specific PR-SCTP Status
+ */
+struct sctp_prstatus {
+	sctp_assoc_t sprstat_assoc_id;
+	__u16 sprstat_sid;
+	__u16 sprstat_policy;
+	__u64 sprstat_abandoned_unsent;
+	__u64 sprstat_abandoned_sent;
+};
+
+struct sctp_default_prinfo {
+	sctp_assoc_t pr_assoc_id;
+	__u32 pr_value;
+	__u16 pr_policy;
+};
+
 #endif /* _UAPI_SCTP_H */