diff options
| author | Mitesh Kanjariya <mitesh@marvel-07.cumulusnetworks.com> | 2017-11-13 03:19:52 -0800 |
|---|---|---|
| committer | mitesh <mitesh@cumulusnetworks.com> | 2018-01-23 15:58:53 -0800 |
| commit | ead40654de7260c0b66061a41da1aac0c4febef7 (patch) | |
| tree | bc3b3dc51547fbd8b9081def24a85b8b87e517d0 /bgpd/bgp_attr_evpn.c | |
| parent | d6fed381094ba34c04166b08cd16af01f6c263ea (diff) | |
bgpd/zebra/lib: Add Default Gateway extended community
1. Added default gw extended community
2. code modification to handle sticky-mac/default-gw-mac as they go together
3. show command support for newly added extended community
4. State in zebra to reflect if a mac/neigh is default gateway
5. show command enhancement to refelect the same in zebra commands
Ticket: CM-17428
Review: CCR-6580
Testing: Manual
Signed-off-by: Mitesh Kanjariya <mitesh@cumulusnetworks.com>
Diffstat (limited to 'bgpd/bgp_attr_evpn.c')
| -rw-r--r-- | bgpd/bgp_attr_evpn.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/bgpd/bgp_attr_evpn.c b/bgpd/bgp_attr_evpn.c index eaa4e329d4..e74fa5a2be 100644 --- a/bgpd/bgp_attr_evpn.c +++ b/bgpd/bgp_attr_evpn.c @@ -135,6 +135,36 @@ void bgp_attr_rmac(struct attr *attr, } /* + * return true if attr contains default gw extended community + */ +uint8_t bgp_attr_default_gw(struct attr *attr) +{ + struct ecommunity *ecom; + int i; + + ecom = attr->ecommunity; + if (!ecom || !ecom->size) + return 0; + + /* If there is a default gw extendd community return true otherwise + * return 0 */ + for (i = 0; i < ecom->size; i++) { + u_char *pnt; + u_char type, sub_type; + + pnt = (ecom->val + (i * ECOMMUNITY_SIZE)); + type = *pnt++; + sub_type = *pnt++; + + if ((type == ECOMMUNITY_ENCODE_OPAQUE + && sub_type == ECOMMUNITY_EVPN_SUBTYPE_DEF_GW)) + return 1; + } + + return 0; +} + +/* * Fetch and return the sequence number from MAC Mobility extended * community, if present, else 0. */ |