From: Ethan Cotterell <e.cotterell@lancaster.ac.uk>
Date: Thu, 29 Apr 2021 14:50:41 +0000 (+0100)
Subject: include: Expose LwIP's RAW protocol
X-Git-Tag: RELEASE-0.16.0~7
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=1ca5632a3fdc256036df1b2f02ea078ab6b307af;p=unikraft%2Flibs%2Flwip.git

include: Expose LwIP's RAW protocol

This commit optionalizes LwIP's "RAW" protocol, making it available to
use within Unikraft when enabled.

Signed-off-by: Ethan Cotterell <e.cotterell@lancs.ac.uk>
Signed-off-by: Alexander Jung <a.jung@lancs.ac.uk>
Reviewed-by: Simon Kuenzer <simon@unikraft.io>
Approved-by: Simon Kuenzer <simon@unikraft.io>
GitHub-Closes: #2
---

diff --git a/Config.uk b/Config.uk
index 21b529a..fd346c1 100644
--- a/Config.uk
+++ b/Config.uk
@@ -214,6 +214,13 @@ config LWIP_UDP
 	bool "UDP support"
 	default y
 
+config LWIP_RAW
+	bool "RAW support"
+	default n
+	help
+		Enable the RAW address family (AF_RAW).  This option allows an
+		application to be able to hook into the IP layer itself.
+
 menuconfig LWIP_TCP
 	bool "TCP support"
 	default y
diff --git a/include/lwipopts.h b/include/lwipopts.h
index bedd17c..608d6a7 100644
--- a/include/lwipopts.h
+++ b/include/lwipopts.h
@@ -131,6 +131,15 @@ void sys_free(void *ptr);
 #define IP_REASS_MAX_PBUFS CONFIG_LWIP_IP_REASS_MAX_PBUFS
 #endif
 
+/**
+ * RAW support
+ */
+#if CONFIG_LWIP_RAW
+#define LWIP_RAW 1
+#else
+#define LWIP_RAW 0
+#endif
+
 /**
  * UDP options
  */