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Date: Tue, 5 May 2015 09:06:30 -0700
From: Tom Herbert <tom@...bertland.com>
To: <davem@...emloft.net>, <ebiederm@...ssion.com>,
<netdev@...r.kernel.org>
Subject: [PATCH net-next] mpls: Move reserved label definitions
Move to include/uapi/linux/mpls.h to be externally visibile.
Signed-off-by: Tom Herbert <tom@...bertland.com>
---
include/uapi/linux/mpls.h | 10 ++++++++++
net/mpls/af_mpls.c | 18 +++++++++---------
net/mpls/internal.h | 10 ----------
3 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/include/uapi/linux/mpls.h b/include/uapi/linux/mpls.h
index bc9abfe..0fe6ea5 100644
--- a/include/uapi/linux/mpls.h
+++ b/include/uapi/linux/mpls.h
@@ -31,4 +31,14 @@ struct mpls_label {
#define MPLS_LS_TTL_MASK 0x000000FF
#define MPLS_LS_TTL_SHIFT 0
+/* Reserved labels */
+#define MPLS_LABEL_IPV4_EXPLICIT_NULL 0 /* RFC3032 */
+#define MPLS_LABEL_ROUTER_ALERT 1 /* RFC3032 */
+#define MPLS_LABEL_IPV6_EXPLICIT_NULL 2 /* RFC3032 */
+#define MPLS_LABEL_IMPLICIT_NULL 3 /* RFC3032 */
+#define MPLS_LABEL_ENTROPY_INDICATOR 7 /* RFC6790 */
+#define MPLS_LABEL_GAL 13 /* RFC5586 */
+#define MPLS_LABEL_OAM_ALERT 14 /* RFC3429 */
+#define MPLS_LABEL_EXTENSION 15 /* RFC7274 */
+
#endif /* _UAPI_MPLS_H */
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 954810c..b6eb761 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -647,7 +647,7 @@ int nla_get_labels(const struct nlattr *nla,
return -EINVAL;
switch (dec.label) {
- case LABEL_IMPLICIT_NULL:
+ case MPLS_LABEL_IMPLICIT_NULL:
/* RFC3032: This is a label that an LSR may
* assign and distribute, but which never
* actually appears in the encapsulation.
@@ -935,7 +935,7 @@ static int resize_platform_label_table(struct net *net, size_t limit)
}
/* In case the predefined labels need to be populated */
- if (limit > LABEL_IPV4_EXPLICIT_NULL) {
+ if (limit > MPLS_LABEL_IPV4_EXPLICIT_NULL) {
struct net_device *lo = net->loopback_dev;
rt0 = mpls_rt_alloc(lo->addr_len);
if (!rt0)
@@ -945,7 +945,7 @@ static int resize_platform_label_table(struct net *net, size_t limit)
rt0->rt_via_table = NEIGH_LINK_TABLE;
memcpy(rt0->rt_via, lo->dev_addr, lo->addr_len);
}
- if (limit > LABEL_IPV6_EXPLICIT_NULL) {
+ if (limit > MPLS_LABEL_IPV6_EXPLICIT_NULL) {
struct net_device *lo = net->loopback_dev;
rt2 = mpls_rt_alloc(lo->addr_len);
if (!rt2)
@@ -973,15 +973,15 @@ static int resize_platform_label_table(struct net *net, size_t limit)
memcpy(labels, old, cp_size);
/* If needed set the predefined labels */
- if ((old_limit <= LABEL_IPV6_EXPLICIT_NULL) &&
- (limit > LABEL_IPV6_EXPLICIT_NULL)) {
- RCU_INIT_POINTER(labels[LABEL_IPV6_EXPLICIT_NULL], rt2);
+ if ((old_limit <= MPLS_LABEL_IPV6_EXPLICIT_NULL) &&
+ (limit > MPLS_LABEL_IPV6_EXPLICIT_NULL)) {
+ RCU_INIT_POINTER(labels[MPLS_LABEL_IPV6_EXPLICIT_NULL], rt2);
rt2 = NULL;
}
- if ((old_limit <= LABEL_IPV4_EXPLICIT_NULL) &&
- (limit > LABEL_IPV4_EXPLICIT_NULL)) {
- RCU_INIT_POINTER(labels[LABEL_IPV4_EXPLICIT_NULL], rt0);
+ if ((old_limit <= MPLS_LABEL_IPV4_EXPLICIT_NULL) &&
+ (limit > MPLS_LABEL_IPV4_EXPLICIT_NULL)) {
+ RCU_INIT_POINTER(labels[MPLS_LABEL_IPV4_EXPLICIT_NULL], rt0);
rt0 = NULL;
}
diff --git a/net/mpls/internal.h b/net/mpls/internal.h
index 693877d..b064c34 100644
--- a/net/mpls/internal.h
+++ b/net/mpls/internal.h
@@ -1,16 +1,6 @@
#ifndef MPLS_INTERNAL_H
#define MPLS_INTERNAL_H
-#define LABEL_IPV4_EXPLICIT_NULL 0 /* RFC3032 */
-#define LABEL_ROUTER_ALERT_LABEL 1 /* RFC3032 */
-#define LABEL_IPV6_EXPLICIT_NULL 2 /* RFC3032 */
-#define LABEL_IMPLICIT_NULL 3 /* RFC3032 */
-#define LABEL_ENTROPY_INDICATOR 7 /* RFC6790 */
-#define LABEL_GAL 13 /* RFC5586 */
-#define LABEL_OAM_ALERT 14 /* RFC3429 */
-#define LABEL_EXTENSION 15 /* RFC7274 */
-
-
struct mpls_shim_hdr {
__be32 label_stack_entry;
};
--
1.8.1
--
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