Thread (70 messages) 70 messages, 9 authors, 2019-01-13

[PATCH V3 1/7] net: lorawan: Add macro and definition for LoRaWAN

From: Jian-Hong Pan <hidden>
Date: 2018-11-14 16:03:00
Also in: linux-arm-kernel, lkml
Subsystem: networking drivers, networking [general], networking [sockets], selinux security module, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Willem de Bruijn, Paul Moore, Stephen Smalley, Linus Torvalds

This patch adds the macro and definition for the implementation of
LoRaWAN protocol.

Signed-off-by: Jian-Hong Pan <redacted>
---
V2:
- Modify the commit message

 include/linux/socket.h              | 5 ++++-
 include/uapi/linux/if_arp.h         | 1 +
 include/uapi/linux/if_ether.h       | 1 +
 net/core/dev.c                      | 4 ++--
 security/selinux/hooks.c            | 4 +++-
 security/selinux/include/classmap.h | 4 +++-
 6 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/include/linux/socket.h b/include/linux/socket.h
index aa1e288b1659..e5c8381fd1aa 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -209,8 +209,9 @@ struct ucred {
 				 */
 #define AF_XDP		44	/* XDP sockets			*/
 #define AF_LORA		45	/* LoRa sockets			*/
+#define AF_LORAWAN	46	/* LoRaWAN sockets			*/
 
-#define AF_MAX		46	/* For now.. */
+#define AF_MAX		47	/* For now.. */
 
 /* Protocol families, same as address families. */
 #define PF_UNSPEC	AF_UNSPEC
@@ -261,6 +262,7 @@ struct ucred {
 #define PF_SMC		AF_SMC
 #define PF_XDP		AF_XDP
 #define PF_LORA		AF_LORA
+#define PF_LORAWAN	AF_LORAWAN
 #define PF_MAX		AF_MAX
 
 /* Maximum queue length specifiable by listen.  */
@@ -343,6 +345,7 @@ struct ucred {
 #define SOL_KCM		281
 #define SOL_TLS		282
 #define SOL_XDP		283
+#define SOL_LORAWAN	284
 
 /* IPX options */
 #define IPX_TYPE	1
diff --git a/include/uapi/linux/if_arp.h b/include/uapi/linux/if_arp.h
index 1ed7cb3f2129..2376f7839355 100644
--- a/include/uapi/linux/if_arp.h
+++ b/include/uapi/linux/if_arp.h
@@ -99,6 +99,7 @@
 #define ARPHRD_6LOWPAN	825		/* IPv6 over LoWPAN             */
 #define ARPHRD_VSOCKMON	826		/* Vsock monitor header		*/
 #define ARPHRD_LORA	827		/* LoRa				*/
+#define ARPHRD_LORAWAN	828		/* LoRaWAN			*/
 
 #define ARPHRD_VOID	  0xFFFF	/* Void type, nothing is known */
 #define ARPHRD_NONE	  0xFFFE	/* zero header length */
diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h
index 45644dcf5b39..b1ac70d4a377 100644
--- a/include/uapi/linux/if_ether.h
+++ b/include/uapi/linux/if_ether.h
@@ -148,6 +148,7 @@
 					 * aggregation protocol
 					 */
 #define ETH_P_LORA	0x00FA		/* LoRa				*/
+#define ETH_P_LORAWAN	0x00FB		/* LoRaWAN			*/
 
 /*
  *	This is an Ethernet frame header.
diff --git a/net/core/dev.c b/net/core/dev.c
index f68122f0ab02..b95ce79ec5a8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -297,7 +297,7 @@ static const unsigned short netdev_lock_type[] = {
 	 ARPHRD_IRDA, ARPHRD_FCPP, ARPHRD_FCAL, ARPHRD_FCPL,
 	 ARPHRD_FCFABRIC, ARPHRD_IEEE80211, ARPHRD_IEEE80211_PRISM,
 	 ARPHRD_IEEE80211_RADIOTAP, ARPHRD_PHONET, ARPHRD_PHONET_PIPE,
-	 ARPHRD_IEEE802154, ARPHRD_VOID, ARPHRD_NONE};
+	 ARPHRD_IEEE802154, ARPHRD_LORAWAN, ARPHRD_VOID, ARPHRD_NONE};
 
 static const char *const netdev_lock_name[] = {
 	"_xmit_NETROM", "_xmit_ETHER", "_xmit_EETHER", "_xmit_AX25",
@@ -314,7 +314,7 @@ static const char *const netdev_lock_name[] = {
 	"_xmit_IRDA", "_xmit_FCPP", "_xmit_FCAL", "_xmit_FCPL",
 	"_xmit_FCFABRIC", "_xmit_IEEE80211", "_xmit_IEEE80211_PRISM",
 	"_xmit_IEEE80211_RADIOTAP", "_xmit_PHONET", "_xmit_PHONET_PIPE",
-	"_xmit_IEEE802154", "_xmit_VOID", "_xmit_NONE"};
+	"_xmit_IEEE802154", "_xmit_LORAWAN", "_xmit_VOID", "_xmit_NONE"};
 
 static struct lock_class_key netdev_xmit_lock_key[ARRAY_SIZE(netdev_lock_type)];
 static struct lock_class_key netdev_addr_lock_key[ARRAY_SIZE(netdev_lock_type)];
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index aaf520a689d8..0da3a1d69cb8 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1477,7 +1477,9 @@ static inline u16 socket_type_to_security_class(int family, int type, int protoc
 			return SECCLASS_XDP_SOCKET;
 		case PF_LORA:
 			return SECCLASS_LORA_SOCKET;
-#if PF_MAX > 46
+		case PF_LORAWAN:
+			return SECCLASS_LORAWAN_SOCKET;
+#if PF_MAX > 47
 #error New address family defined, please update this function.
 #endif
 		}
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index 060d4bf8385e..fa0151fe6f32 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -244,9 +244,11 @@ struct security_class_mapping secclass_map[] = {
 	  { COMMON_SOCK_PERMS, NULL } },
 	{ "lora_socket",
 	  { COMMON_SOCK_PERMS, NULL } },
+	{ "lorawan_socket",
+	  { COMMON_SOCK_PERMS, NULL } },
 	{ NULL }
   };
 
-#if PF_MAX > 46
+#if PF_MAX > 47
 #error New address family defined, please update secclass_map.
 #endif
-- 
2.19.1
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