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BFD: Fix build when BFD is disabled

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Move bfd_opts grammar inside BFD parser code to avoid dependences between
nest and BFD grammars, which breaks when BFD build is disabled.

Add dummy bfd_opts grammar rule, so protocols can use this nonterminal
even with BFD disabled.

Thanks to Yuri Honegger for the bugreport.
This commit is contained in:
Ondrej Zajicek 2024-05-28 15:31:52 +02:00
parent 765debf523
commit e29f134ad9
2 changed files with 48 additions and 46 deletions
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48
nest/config.Y
View File

@ -124,7 +124,6 @@ CF_KEYWORDS(BGP, PASSWORDS, DESCRIPTION)
CF_KEYWORDS(RELOAD, IN, OUT, MRTDUMP, MESSAGES, RESTRICT, MEMORY, IGP_METRIC, CLASS, DSCP)
CF_KEYWORDS(TIMEFORMAT, ISO, SHORT, LONG, ROUTE, PROTOCOL, BASE, LOG, S, MS, US)
CF_KEYWORDS(GRACEFUL, RESTART, WAIT, MAX, AS)
CF_KEYWORDS(MIN, IDLE, RX, TX, INTERVAL, MULTIPLIER, PASSIVE)
CF_KEYWORDS(CHECK, LINK)
CF_KEYWORDS(SORTED, TRIE, MIN, MAX, SETTLE, TIME, GC, THRESHOLD, PERIOD)
CF_KEYWORDS(MPLS_LABEL, MPLS_POLICY, MPLS_CLASS)
@ -602,51 +601,8 @@ password_item_end:
};
/* BFD options */
bfd_item:
INTERVAL expr_us { this_bfd_opts->min_rx_int = this_bfd_opts->min_tx_int = $2; }
| MIN RX INTERVAL expr_us { this_bfd_opts->min_rx_int = $4; }
| MIN TX INTERVAL expr_us { this_bfd_opts->min_tx_int = $4; }
| IDLE TX INTERVAL expr_us { this_bfd_opts->idle_tx_int = $4; }
| MULTIPLIER expr { this_bfd_opts->multiplier = $2; }
| PASSIVE bool { this_bfd_opts->passive = $2; this_bfd_opts->passive_set = 1; }
| GRACEFUL { this_bfd_opts->mode = BGP_BFD_GRACEFUL; }
| AUTHENTICATION bfd_auth_type { this_bfd_opts->auth_type = $2; }
| password_list {}
;
bfd_items:
/* empty */
| bfd_items bfd_item ';'
;
bfd_opts_start:
{ reset_passwords(); } ;
bfd_opts_end:
{
this_bfd_opts->passwords = get_passwords();
if (!this_bfd_opts->auth_type != !this_bfd_opts->passwords)
cf_warn("Authentication and password options should be used together");
if (this_bfd_opts->passwords)
{
struct password_item *pass;
WALK_LIST(pass, *this_bfd_opts->passwords)
{
if (pass->alg)
cf_error("Password algorithm option not available in BFD protocol");
pass->alg = bfd_auth_type_to_hash_alg[this_bfd_opts->auth_type];
}
}
};
bfd_opts:
bfd_opts_start '{' bfd_items '}' bfd_opts_end
;
/* BFD options - just dummy rule, rest in proto/bfd/config.Y */
bfd_opts: '{' INVALID_TOKEN '}';
/* Core commands */

46
proto/bfd/config.Y
View File

@ -183,6 +183,52 @@ bfd_neighbor: ipa bfd_neigh_iface bfd_neigh_local bfd_neigh_multihop
};
/* BFD options */
bfd_item:
INTERVAL expr_us { this_bfd_opts->min_rx_int = this_bfd_opts->min_tx_int = $2; }
| MIN RX INTERVAL expr_us { this_bfd_opts->min_rx_int = $4; }
| MIN TX INTERVAL expr_us { this_bfd_opts->min_tx_int = $4; }
| IDLE TX INTERVAL expr_us { this_bfd_opts->idle_tx_int = $4; }
| MULTIPLIER expr { this_bfd_opts->multiplier = $2; }
| PASSIVE bool { this_bfd_opts->passive = $2; this_bfd_opts->passive_set = 1; }
| GRACEFUL { this_bfd_opts->mode = BGP_BFD_GRACEFUL; }
| AUTHENTICATION bfd_auth_type { this_bfd_opts->auth_type = $2; }
| password_list {}
;
bfd_items:
/* empty */
| bfd_items bfd_item ';'
;
bfd_opts_start:
{ reset_passwords(); } ;
bfd_opts_end:
{
this_bfd_opts->passwords = get_passwords();
if (!this_bfd_opts->auth_type != !this_bfd_opts->passwords)
cf_warn("Authentication and password options should be used together");
if (this_bfd_opts->passwords)
{
struct password_item *pass;
WALK_LIST(pass, *this_bfd_opts->passwords)
{
if (pass->alg)
cf_error("Password algorithm option not available in BFD protocol");
pass->alg = bfd_auth_type_to_hash_alg[this_bfd_opts->auth_type];
}
}
};
bfd_opts:
'{' bfd_opts_start bfd_items '}' bfd_opts_end;
CF_CLI_HELP(SHOW BFD, ..., [[Show information about BFD protocol]]);
CF_CLI_HELP(SHOW BFD SESSIONS, ..., [[Show information about BFD sessions]]);