bgpd: Add missing LLGR capability handling stuff

```
OPEN has (no message found) capability (71), length 14
```

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>

diff --git a/bgpd/bgp_open.c b/bgpd/bgp_open.c
index e15690835aafed5c956262359ff0db5cf939ab17..523e6cdf9767b5a8fb496ff4c8cfac8ed766f6f0 100644 (file)
--- a/bgpd/bgp_open.c
+++ b/bgpd/bgp_open.c
@@ -57,6 +57,7 @@ static const struct message capcode_str[] = {
        {CAPABILITY_CODE_FQDN, "FQDN"},
        {CAPABILITY_CODE_ENHANCED_RR, "Enhanced Route Refresh"},
        {CAPABILITY_CODE_EXT_MESSAGE, "BGP Extended Message"},
+       {CAPABILITY_CODE_LLGR, "Long-lived BGP Graceful Restart"},
        {0}};
 
 /* Minimum sizes for length field of each cap (so not inc. the header) */
@@ -75,6 +76,7 @@ static const size_t cap_minsizes[] = {
                [CAPABILITY_CODE_FQDN] = CAPABILITY_CODE_MIN_FQDN_LEN,
                [CAPABILITY_CODE_ENHANCED_RR] = CAPABILITY_CODE_ENHANCED_LEN,
                [CAPABILITY_CODE_EXT_MESSAGE] = CAPABILITY_CODE_EXT_MESSAGE_LEN,
+               [CAPABILITY_CODE_LLGR] = CAPABILITY_CODE_LLGR_LEN,
 };
 
 /* value the capability must be a multiple of.
@@ -97,6 +99,7 @@ static const size_t cap_modsizes[] = {
                [CAPABILITY_CODE_FQDN] = 1,
                [CAPABILITY_CODE_ENHANCED_RR] = 1,
                [CAPABILITY_CODE_EXT_MESSAGE] = 1,
+               [CAPABILITY_CODE_LLGR] = 1,
 };
 
 /* BGP-4 Multiprotocol Extentions lead us to the complex world. We can