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Add bitfield route attribute type

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This commit is contained in:
Ondrej Zajicek
2015-05-09 18:50:15 +02:00
parent 77edab6409
commit 315f23a047
3 changed files with 90 additions and 26 deletions
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5
nest/route.h
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@@ -417,13 +417,15 @@ typedef struct eattr {
#define EA_CODE_MASK 0xffff
#define EA_ALLOW_UNDEF 0x10000 /* ea_find: allow EAF_TYPE_UNDEF */
#define EA_BIT(n) ((n) << 24) /* Used in bitfield accessors */
#define EAF_TYPE_MASK 0x0f /* Mask with this to get type */
#define EAF_TYPE_INT 0x01 /* 32-bit signed integer number */
#define EAF_TYPE_INT 0x01 /* 32-bit unsigned integer number */
#define EAF_TYPE_OPAQUE 0x02 /* Opaque byte string (not filterable) */
#define EAF_TYPE_IP_ADDRESS 0x04 /* IP address */
#define EAF_TYPE_ROUTER_ID 0x05 /* Router ID (IPv4 address) */
#define EAF_TYPE_AS_PATH 0x06 /* BGP AS path (encoding per RFC 1771:4.3) */
#define EAF_TYPE_BITFIELD 0x09 /* 32-bit embedded bitfield */
#define EAF_TYPE_INT_SET 0x0a /* Set of u32's (e.g., a community list) */
#define EAF_TYPE_EC_SET 0x0e /* Set of pairs of u32's - ext. community list */
#define EAF_TYPE_UNDEF 0x0f /* `force undefined' entry */
@@ -469,6 +471,7 @@ void ea_merge(ea_list *from, ea_list *to); /* Merge sub-lists to allocated buffe
int ea_same(ea_list *x, ea_list *y); /* Test whether two ea_lists are identical */
unsigned int ea_hash(ea_list *e); /* Calculate 16-bit hash value */
ea_list *ea_append(ea_list *to, ea_list *what);
void ea_format_bitfield(struct eattr *a, byte *buf, int bufsize, const char **names, int min, int max);
int mpnh__same(struct mpnh *x, struct mpnh *y); /* Compare multipath nexthops */
static inline int mpnh_same(struct mpnh *x, struct mpnh *y)