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mpls: Change reserved label names to be consistent with netbsd 

Since these are now visible to userspace it is nice to be consistent
with BSD (sys/netmpls/mpls.h in netBSD).

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2015-05-07 08:08:51 -07:00 коммит произвёл David S. Miller
Родитель 7c0004d396
Коммит 78f5b89919
2 изменённых файлов: 15 добавлений и 15 удалений
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12
include/uapi/linux/mpls.h
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@ -32,13 +32,13 @@ struct mpls_label {
#define MPLS_LS_TTL_SHIFT 0 #define MPLS_LS_TTL_SHIFT 0
/* Reserved labels */ /* Reserved labels */
#define MPLS_LABEL_IPV4_EXPLICIT_NULL 0 /* RFC3032 */ #define MPLS_LABEL_IPV4NULL 0 /* RFC3032 */
#define MPLS_LABEL_ROUTER_ALERT 1 /* RFC3032 */ #define MPLS_LABEL_RTALERT 1 /* RFC3032 */
#define MPLS_LABEL_IPV6_EXPLICIT_NULL 2 /* RFC3032 */ #define MPLS_LABEL_IPV6NULL 2 /* RFC3032 */
#define MPLS_LABEL_IMPLICIT_NULL 3 /* RFC3032 */ #define MPLS_LABEL_IMPLNULL 3 /* RFC3032 */
#define MPLS_LABEL_ENTROPY_INDICATOR 7 /* RFC6790 */ #define MPLS_LABEL_ENTROPY 7 /* RFC6790 */
#define MPLS_LABEL_GAL 13 /* RFC5586 */ #define MPLS_LABEL_GAL 13 /* RFC5586 */
#define MPLS_LABEL_OAM_ALERT 14 /* RFC3429 */ #define MPLS_LABEL_OAMALERT 14 /* RFC3429 */
#define MPLS_LABEL_EXTENSION 15 /* RFC7274 */ #define MPLS_LABEL_EXTENSION 15 /* RFC7274 */
#endif /* _UAPI_MPLS_H */ #endif /* _UAPI_MPLS_H */

18
net/mpls/af_mpls.c
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@ -647,7 +647,7 @@ int nla_get_labels(const struct nlattr *nla,
return -EINVAL; return -EINVAL;
switch (dec.label) { switch (dec.label) {
case MPLS_LABEL_IMPLICIT_NULL: case MPLS_LABEL_IMPLNULL:
/* RFC3032: This is a label that an LSR may /* RFC3032: This is a label that an LSR may
* assign and distribute, but which never * assign and distribute, but which never
* actually appears in the encapsulation. * 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 */ /* In case the predefined labels need to be populated */
if (limit > MPLS_LABEL_IPV4_EXPLICIT_NULL) { if (limit > MPLS_LABEL_IPV4NULL) {
struct net_device *lo = net->loopback_dev; struct net_device *lo = net->loopback_dev;
rt0 = mpls_rt_alloc(lo->addr_len); rt0 = mpls_rt_alloc(lo->addr_len);
if (!rt0) 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; rt0->rt_via_table = NEIGH_LINK_TABLE;
memcpy(rt0->rt_via, lo->dev_addr, lo->addr_len); memcpy(rt0->rt_via, lo->dev_addr, lo->addr_len);
} }
if (limit > MPLS_LABEL_IPV6_EXPLICIT_NULL) { if (limit > MPLS_LABEL_IPV6NULL) {
struct net_device *lo = net->loopback_dev; struct net_device *lo = net->loopback_dev;
rt2 = mpls_rt_alloc(lo->addr_len); rt2 = mpls_rt_alloc(lo->addr_len);
if (!rt2) if (!rt2)
@ -973,15 +973,15 @@ static int resize_platform_label_table(struct net *net, size_t limit)
memcpy(labels, old, cp_size); memcpy(labels, old, cp_size);
/* If needed set the predefined labels */ /* If needed set the predefined labels */
if ((old_limit <= MPLS_LABEL_IPV6_EXPLICIT_NULL) && if ((old_limit <= MPLS_LABEL_IPV6NULL) &&
(limit > MPLS_LABEL_IPV6_EXPLICIT_NULL)) { (limit > MPLS_LABEL_IPV6NULL)) {
RCU_INIT_POINTER(labels[MPLS_LABEL_IPV6_EXPLICIT_NULL], rt2); RCU_INIT_POINTER(labels[MPLS_LABEL_IPV6NULL], rt2);
rt2 = NULL; rt2 = NULL;
} }
if ((old_limit <= MPLS_LABEL_IPV4_EXPLICIT_NULL) && if ((old_limit <= MPLS_LABEL_IPV4NULL) &&
(limit > MPLS_LABEL_IPV4_EXPLICIT_NULL)) { (limit > MPLS_LABEL_IPV4NULL)) {
RCU_INIT_POINTER(labels[MPLS_LABEL_IPV4_EXPLICIT_NULL], rt0); RCU_INIT_POINTER(labels[MPLS_LABEL_IPV4NULL], rt0);
rt0 = NULL; rt0 = NULL;
} }