netdev - [PATCH v4 1/2] expose stack entry function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <d34f8440be3e1d735c694c6899c5a8b14e9a70ea.1506590878.git.amine.kherbouche@6wind.com>
Date:   Thu, 28 Sep 2017 11:34:19 +0200
From:   Amine Kherbouche <amine.kherbouche@...nd.com>
To:     netdev@...r.kernel.org, xeb@...l.ru, roopa@...ulusnetworks.com
Cc:     amine.kherbouche@...nd.com, equinox@...c24.net
Subject: [PATCH v4 1/2] expose stack entry function

Exporting mpls_forward() function to be able to be called from elsewhere
such as MPLSoverGRE in the next commit.

Signed-off-by: Amine Kherbouche <amine.kherbouche@...nd.com>
Acked-by: Roopa Prabhu <roopa@...ulusnetworks.com>
---
 include/linux/mpls.h | 4 ++++
 net/mpls/af_mpls.c   | 5 +++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/linux/mpls.h b/include/linux/mpls.h
index 384fb22..b0579ab 100644
--- a/include/linux/mpls.h
+++ b/include/linux/mpls.h
@@ -2,10 +2,14 @@
 #define _LINUX_MPLS_H
 
 #include <uapi/linux/mpls.h>
+#include <linux/netdevice.h>
 
 #define MPLS_TTL_MASK		(MPLS_LS_TTL_MASK >> MPLS_LS_TTL_SHIFT)
 #define MPLS_BOS_MASK		(MPLS_LS_S_MASK >> MPLS_LS_S_SHIFT)
 #define MPLS_TC_MASK		(MPLS_LS_TC_MASK >> MPLS_LS_TC_SHIFT)
 #define MPLS_LABEL_MASK		(MPLS_LS_LABEL_MASK >> MPLS_LS_LABEL_SHIFT)
 
+int mpls_forward(struct sk_buff *skb, struct net_device *dev,
+		 struct packet_type *pt, struct net_device *orig_dev);
+
 #endif  /* _LINUX_MPLS_H */
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index c5b9ce4..36ea2ad 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -307,8 +307,8 @@ static bool mpls_egress(struct net *net, struct mpls_route *rt,
 	return success;
 }
 
-static int mpls_forward(struct sk_buff *skb, struct net_device *dev,
-			struct packet_type *pt, struct net_device *orig_dev)
+int mpls_forward(struct sk_buff *skb, struct net_device *dev,
+		 struct packet_type *pt, struct net_device *orig_dev)
 {
 	struct net *net = dev_net(dev);
 	struct mpls_shim_hdr *hdr;
@@ -442,6 +442,7 @@ static int mpls_forward(struct sk_buff *skb, struct net_device *dev,
 	kfree_skb(skb);
 	return NET_RX_DROP;
 }
+EXPORT_SYMBOL(mpls_forward);
 
 static struct packet_type mpls_packet_type __read_mostly = {
 	.type = cpu_to_be16(ETH_P_MPLS_UC),
-- 
2.1.4