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BFD: Better handling of BFD options in BGP configs

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Merge multiple BFD option blocks in BGP configs instead of using the last
one. That is necessary for proper handling of templates when BFD options
are used both in a BGP template and in a BGP protocol derived from that
template.
This commit is contained in:
Ondrej Zajicek (work)
2020-11-12 04:02:38 +01:00
parent 99ad208dd7
commit 3b56bf8849
4 changed files with 27 additions and 7 deletions
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2
proto/bgp/bgp.h
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@@ -130,7 +130,7 @@ struct bgp_config {
const char *dynamic_name; /* Name pattern for dynamic BGP */
int dynamic_name_digits; /* Minimum number of digits for dynamic names */
int check_link; /* Use iface link state for liveness detection */
const struct bfd_options *bfd; /* Use BFD for liveness detection */
struct bfd_options *bfd; /* Use BFD for liveness detection */
};
struct bgp_channel_config {

6
proto/bgp/config.Y
View File

@@ -190,9 +190,9 @@ bgp_proto:
| bgp_proto LONG LIVED STALE TIME expr ';' { BGP_CFG->llgr_time = $6; }
| bgp_proto TTL SECURITY bool ';' { BGP_CFG->ttl_security = $4; }
| bgp_proto CHECK LINK bool ';' { BGP_CFG->check_link = $4; }
| bgp_proto BFD bool ';' { cf_check_bfd($3); BGP_CFG->bfd = $3 ? bfd_new_options() : NULL; }
| bgp_proto BFD GRACEFUL ';' { cf_check_bfd(1); struct bfd_options *opts = bfd_new_options(); opts->mode = BGP_BFD_GRACEFUL; BGP_CFG->bfd = opts; }
| bgp_proto BFD bfd_opts ';' { BGP_CFG->bfd = $3; cf_check_bfd(1); }
| bgp_proto BFD bool ';' { if ($3) init_bfd_opts(&BGP_CFG->bfd); else BGP_CFG->bfd = NULL; }
| bgp_proto BFD GRACEFUL ';' { init_bfd_opts(&BGP_CFG->bfd); BGP_CFG->bfd->mode = BGP_BFD_GRACEFUL; }
| bgp_proto BFD { open_bfd_opts(&BGP_CFG->bfd); } bfd_opts { close_bfd_opts(); } ';'
| bgp_proto ENFORCE FIRST AS bool ';' { BGP_CFG->enforce_first_as = $5; }
;