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/*
* Copyright (c) 2023 Balazs Scheidler <bazsi77@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
%code top {
#include "driver.h"
#include "cfg-lexer.h"
#include "ebpf-parser.h"
}
%code {
#pragma GCC diagnostic ignored "-Wswitch-default"
#include "ebpf-reuseport.h"
LogDriverPlugin *last_reuseport;
}
%define api.prefix {ebpf_}
/* this parameter is needed in order to instruct bison to use a complete
* argument list for yylex/yyerror */
%lex-param {CfgLexer *lexer}
%parse-param {CfgLexer *lexer}
%parse-param {LogDriverPlugin **instance}
%parse-param {gpointer arg}
/* INCLUDE_DECLS */
%token KW_EBPF
%token KW_REUSEPORT
%token KW_SOCKETS
%type <ptr> ebpf_program
%%
start
: LL_CONTEXT_INNER_SRC KW_EBPF '(' ebpf_program ')' { *instance = $4; YYACCEPT; }
;
ebpf_program
: KW_REUSEPORT
{ last_reuseport = ebpf_reuseport_new(); }
'(' ebpf_reuseport_options ')' { $$ = last_reuseport; }
;
ebpf_reuseport_options
: ebpf_reuseport_option ebpf_reuseport_options
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;
ebpf_reuseport_option
: KW_SOCKETS '(' positive_integer ')' { ebpf_reuseport_set_sockets(last_reuseport, $3); }
;
/* INCLUDE_RULES */
%%
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