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BGP: Support for large communities

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Add support for large communities (draft-ietf-idr-large-community),
96bit alternative to RFC 1997 communities.

Thanks to Matt Griswold for the original patch.
This commit is contained in:
Ondrej Zajicek (work)
2016-10-01 12:50:29 +02:00
parent f51b1f5565
commit 66dbdbd993
11 changed files with 462 additions and 13 deletions
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18
filter/filter.h
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@@ -38,6 +38,17 @@ struct f_inst_roa_check {
struct roa_table_config *rtc;
};
struct f_inst3 {
struct f_inst i;
union {
int i;
void *p;
} a3;
};
#define INST3(x) (((struct f_inst3 *) x)->a3)
struct f_prefix {
ip_addr ip;
int len;
@@ -53,6 +64,7 @@ struct f_val {
union {
uint i;
u64 ec;
lcomm lc;
/* ip_addr ip; Folded into prefix */
struct f_prefix px;
char *s;
@@ -168,8 +180,10 @@ void val_format(struct f_val v, buffer *buf);
#define T_PATH_MASK 0x23 /* mask for BGP path */
#define T_PATH 0x24 /* BGP path */
#define T_CLIST 0x25 /* Community list */
#define T_ECLIST 0x26 /* Extended community list */
#define T_EC 0x27 /* Extended community value, u64 */
#define T_EC 0x26 /* Extended community value, u64 */
#define T_ECLIST 0x27 /* Extended community list */
#define T_LC 0x28 /* Large community value, lcomm */
#define T_LCLIST 0x29 /* Large community list */
#define T_RETURN 0x40
#define T_SET 0x80