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Diffstat (limited to 'tools/net/bpf_exp.l')
| -rw-r--r-- | tools/net/bpf_exp.l | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/tools/net/bpf_exp.l b/tools/net/bpf_exp.l deleted file mode 100644 index bd83149e7be0..000000000000 --- a/tools/net/bpf_exp.l +++ /dev/null @@ -1,198 +0,0 @@ -/* - * BPF asm code lexer - * - * This program is free software; you can distribute it and/or modify - * it under the terms of the GNU General Public License as published - * by the Free Software Foundation; either version 2 of the License, - * or (at your option) any later version. - * - * Syntax kept close to: - * - * Steven McCanne and Van Jacobson. 1993. The BSD packet filter: a new - * architecture for user-level packet capture. In Proceedings of the - * USENIX Winter 1993 Conference Proceedings on USENIX Winter 1993 - * Conference Proceedings (USENIX'93). USENIX Association, Berkeley, - * CA, USA, 2-2. - * - * Copyright 2013 Daniel Borkmann <borkmann@redhat.com> - * Licensed under the GNU General Public License, version 2.0 (GPLv2) - */ - -%{ - -#include <stdio.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> - -#include <linux/filter.h> - -#include "bpf_exp.yacc.h" - -extern void yyerror(const char *str); - -%} - -%option align -%option ecs - -%option nounput -%option noreject -%option noinput -%option noyywrap - -%option 8bit -%option caseless -%option yylineno - -%% - -"ldb" { return OP_LDB; } -"ldh" { return OP_LDH; } -"ld" { return OP_LD; } -"ldi" { return OP_LDI; } -"ldx" { return OP_LDX; } -"ldxi" { return OP_LDXI; } -"ldxb" { return OP_LDXB; } -"st" { return OP_ST; } -"stx" { return OP_STX; } -"jmp" { return OP_JMP; } -"ja" { return OP_JMP; } -"jeq" { return OP_JEQ; } -"jneq" { return OP_JNEQ; } -"jne" { return OP_JNEQ; } -"jlt" { return OP_JLT; } -"jle" { return OP_JLE; } -"jgt" { return OP_JGT; } -"jge" { return OP_JGE; } -"jset" { return OP_JSET; } -"add" { return OP_ADD; } -"sub" { return OP_SUB; } -"mul" { return OP_MUL; } -"div" { return OP_DIV; } -"mod" { return OP_MOD; } -"neg" { return OP_NEG; } -"and" { return OP_AND; } -"xor" { return OP_XOR; } -"or" { return OP_OR; } -"lsh" { return OP_LSH; } -"rsh" { return OP_RSH; } -"ret" { return OP_RET; } -"tax" { return OP_TAX; } -"txa" { return OP_TXA; } - -"#"?("len") { return K_PKT_LEN; } - -"#"?("proto") { - yylval.number = SKF_AD_PROTOCOL; - return extension; - } -"#"?("type") { - yylval.number = SKF_AD_PKTTYPE; - return extension; - } -"#"?("poff") { - yylval.number = SKF_AD_PAY_OFFSET; - return extension; - } -"#"?("ifidx") { - yylval.number = SKF_AD_IFINDEX; - return extension; - } -"#"?("nla") { - yylval.number = SKF_AD_NLATTR; - return extension; - } -"#"?("nlan") { - yylval.number = SKF_AD_NLATTR_NEST; - return extension; - } -"#"?("mark") { - yylval.number = SKF_AD_MARK; - return extension; - } -"#"?("queue") { - yylval.number = SKF_AD_QUEUE; - return extension; - } -"#"?("hatype") { - yylval.number = SKF_AD_HATYPE; - return extension; - } -"#"?("rxhash") { - yylval.number = SKF_AD_RXHASH; - return extension; - } -"#"?("cpu") { - yylval.number = SKF_AD_CPU; - return extension; - } -"#"?("vlan_tci") { - yylval.number = SKF_AD_VLAN_TAG; - return extension; - } -"#"?("vlan_pr") { - yylval.number = SKF_AD_VLAN_TAG_PRESENT; - return extension; - } -"#"?("vlan_avail") { - yylval.number = SKF_AD_VLAN_TAG_PRESENT; - return extension; - } -"#"?("vlan_tpid") { - yylval.number = SKF_AD_VLAN_TPID; - return extension; - } -"#"?("rand") { - yylval.number = SKF_AD_RANDOM; - return extension; - } - -":" { return ':'; } -"," { return ','; } -"#" { return '#'; } -"%" { return '%'; } -"[" { return '['; } -"]" { return ']'; } -"(" { return '('; } -")" { return ')'; } -"x" { return 'x'; } -"a" { return 'a'; } -"+" { return '+'; } -"M" { return 'M'; } -"*" { return '*'; } -"&" { return '&'; } - -([0][x][a-fA-F0-9]+) { - yylval.number = strtoul(yytext, NULL, 16); - return number; - } -([0][b][0-1]+) { - yylval.number = strtol(yytext + 2, NULL, 2); - return number; - } -(([0])|([-+]?[1-9][0-9]*)) { - yylval.number = strtol(yytext, NULL, 10); - return number; - } -([0][0-9]+) { - yylval.number = strtol(yytext + 1, NULL, 8); - return number; - } -[a-zA-Z_][a-zA-Z0-9_]+ { - yylval.label = strdup(yytext); - return label; - } - -"/*"([^\*]|\*[^/])*"*/" { /* NOP */ } -";"[^\n]* { /* NOP */ } -^#.* { /* NOP */ } -[ \t]+ { /* NOP */ } -[ \n]+ { /* NOP */ } - -. { - printf("unknown character \'%s\'", yytext); - yyerror("lex unknown character"); - } - -%% |