update headers to linux v4.2

[Szabolcs Nagy <nsz@port70.net>]

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attached two independent patches following v4.2 uapi updates

[-- Attachment #2: 0001-add-new-IP_BIND_ADDRESS_NO_PORT-and-IPPROTO_MPLS-to-.patch --]
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From 8e6c528bd625a6ef8d3bff13508329f64e5423cd Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Tue, 8 Sep 2015 19:31:58 +0000
Subject: [PATCH] add new IP_BIND_ADDRESS_NO_PORT and IPPROTO_MPLS to
 netinet/in.h

IP_BIND_ADDRESS_NO_PORT is a SOL_IP socket option to delay src port
allocation until connect in case src ip is set with bind(port=0).
new in linux v4.2, commit 90c337da1524863838658078ec34241f45d8394d

IPPROTO_MPLS protocol number for mpls over ip.
new in linux v4.2, commit 730fc4371333636a00fed32c587fc1e85c5367e2
---
 include/netinet/in.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/netinet/in.h b/include/netinet/in.h
index 1ed3e6f..622bdfe 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -103,6 +103,7 @@ uint16_t ntohs(uint16_t);
 #define IPPROTO_SCTP     132
 #define IPPROTO_MH       135
 #define IPPROTO_UDPLITE  136
+#define IPPROTO_MPLS     137
 #define IPPROTO_RAW      255
 #define IPPROTO_MAX      256
 
@@ -200,6 +201,7 @@ uint16_t ntohs(uint16_t);
 #define IP_MINTTL          21
 #define IP_NODEFRAG        22
 #define IP_CHECKSUM        23
+#define IP_BIND_ADDRESS_NO_PORT 24
 #define IP_MULTICAST_IF    32
 #define IP_MULTICAST_TTL   33
 #define IP_MULTICAST_LOOP  34
-- 
2.4.1


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From 8a9f1b6cfc0fb9b82c618704360d515418108ae5 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Tue, 8 Sep 2015 19:50:26 +0000
Subject: [PATCH] update netinet/tcp.h for linux v4.2

TCP_CC_INFO is a new socket option to get congestion control info without
netlink (union tcp_cc_info is in linux/inet_diag.h kernel header).
linux commit 6e9250f59ef9efb932c84850cd221f22c2a03c4a

TCP_SAVE_SYN, TCP_SAVED_SYN socket options are for saving and getting the
SYN headers of passive connections in a server application.
linux commit cd8ae85299d54155702a56811b2e035e63064d3d

Add new tcpi_* fields to struct tcp_info implementing RFC4898 counters.
linux commit 2efd055c53c06b7e89c167c98069bab9afce7e59
---
 include/netinet/tcp.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index 52358c7..949c590 100644
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -27,6 +27,9 @@
 #define TCP_FASTOPEN     23
 #define TCP_TIMESTAMP    24
 #define TCP_NOTSENT_LOWAT 25
+#define TCP_CC_INFO      26
+#define TCP_SAVE_SYN     27
+#define TCP_SAVED_SYN    28
 
 #define TCP_ESTABLISHED  1
 #define TCP_SYN_SENT     2
@@ -164,6 +167,10 @@ struct tcp_info
 	uint32_t tcpi_total_retrans;
 	uint64_t tcpi_pacing_rate;
 	uint64_t tcpi_max_pacing_rate;
+	uint64_t tcpi_bytes_acked;
+	uint64_t tcpi_bytes_received;
+	uint32_t tcpi_segs_out;
+	uint32_t tcpi_segs_in;
 };
 
 #define TCP_MD5SIG_MAXKEYLEN    80
-- 
2.4.1