From 481424e58c2b5d75d52fdc69ff37b835cd172fa6 Mon Sep 17 00:00:00 2001
From: sinkingpoint <colin@quirl.co.nz>
Date: Sat, 8 Aug 2020 14:49:27 +0100
Subject: Add Netlink Protocol Families to SockProtocol enum

Currently the SockProtocol enum is rather scarce. This commit adds the Netlink protocols
defined in netlink(7) to the SockProtocol enum allowing us to use the Nix socket library for
more indepth Netlink work
---
 CHANGELOG.md          |  2 ++
 src/sys/socket/mod.rs | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28c01a41..cc2aeebd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased] - ReleaseDate
+- Added Netlink protocol families to the `SockProtocol` enum
+(#[1289](https://github.com/nix-rust/nix/pull/1289))
 ### Added
 ### Changed
 ### Fixed
diff --git a/src/sys/socket/mod.rs b/src/sys/socket/mod.rs
index 0328319f..1f6b179d 100644
--- a/src/sys/socket/mod.rs
+++ b/src/sys/socket/mod.rs
@@ -92,6 +92,64 @@ pub enum SockProtocol {
     /// ([ref](https://developer.apple.com/library/content/documentation/Darwin/Conceptual/NKEConceptual/control/control.html))
     #[cfg(any(target_os = "ios", target_os = "macos"))]
     KextControl = libc::SYSPROTO_CONTROL,
+    /// Receives routing and link updates and may be used to modify the routing tables (both IPv4 and IPv6), IP addresses, link
+    // parameters, neighbor setups, queueing disciplines, traffic classes and packet classifiers
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkRoute = libc::NETLINK_ROUTE,
+    /// Reserved for user-mode socket protocols
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkUserSock = libc::NETLINK_USERSOCK,
+    /// Query information about sockets of various protocol families from the kernel
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkSockDiag = libc::NETLINK_SOCK_DIAG,
+    /// SELinux event notifications.
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkSELinux = libc::NETLINK_SELINUX,
+    /// Open-iSCSI
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkISCSI = libc::NETLINK_ISCSI,
+    /// Auditing
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkAudit = libc::NETLINK_AUDIT,
+    /// Access to FIB lookup from user space
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkFIBLookup = libc::NETLINK_FIB_LOOKUP,
+    /// Netfilter subsystem
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkNetFilter = libc::NETLINK_NETFILTER,
+    /// SCSI Transports
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkSCSITransport = libc::NETLINK_SCSITRANSPORT,
+    /// Infiniband RDMA
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkRDMA = libc::NETLINK_RDMA,
+    /// Transport IPv6 packets from netfilter to user space.  Used by ip6_queue kernel module.
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkIPv6Firewall = libc::NETLINK_IP6_FW,
+    /// DECnet routing messages
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkDECNetRoutingMessage = libc::NETLINK_DNRTMSG,
+    /// Kernel messages to user space
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkKObjectUEvent = libc::NETLINK_KOBJECT_UEVENT,
+    /// Netlink interface to request information about ciphers registered with the kernel crypto API as well as allow
+    /// configuration of the kernel crypto API.
+    /// ([ref](https://www.man7.org/linux/man-pages/man7/netlink.7.html))
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    NetlinkCrypto = libc::NETLINK_CRYPTO,
 }
 
 libc_bitflags!{
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