diff options
Diffstat (limited to 'trafgen_parser.y')
| -rw-r--r-- | trafgen_parser.y | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/trafgen_parser.y b/trafgen_parser.y index 16f9025..ebc4054 100644 --- a/trafgen_parser.y +++ b/trafgen_parser.y @@ -25,6 +25,7 @@ #include "trafgen_conf.h" #include "trafgen_proto.h" #include "trafgen_l2.h" +#include "trafgen_l3.h" #include "built_in.h" #include "die.h" #include "str.h" @@ -350,9 +351,11 @@ static void proto_add(enum proto_id pid) %token K_DADDR K_SADDR K_PROT %token K_OPER K_SHA K_SPA K_THA K_TPA K_REQUEST K_REPLY K_PTYPE K_HTYPE +%token K_TTL K_DSCP K_ECN K_TOS K_LEN K_ID K_FLAGS K_FRAG K_IHL K_VER K_CSUM K_DF K_MF %token K_ETH %token K_ARP +%token K_IP4 %token ',' '{' '}' '(' ')' '[' ']' ':' '-' '+' '*' '/' '%' '&' '|' '<' '>' '^' @@ -574,6 +577,7 @@ ddec proto : eth_proto { } | arp_proto { } + | ip4_proto { } ; eth_proto @@ -637,6 +641,53 @@ arp : K_ARP { proto_add(PROTO_ARP); } ; +ip4_proto + : ip4 '(' ip4_param_list ')' { } + ; + +ip4_param_list + : { } + | ip4_field { } + | ip4_field delimiter ip4_param_list { } + ; + +ip4_field + : K_VER skip_white '=' skip_white number + { proto_field_set_u8(hdr, IP4_VER, $5); } + | K_IHL skip_white '=' skip_white number + { proto_field_set_u8(hdr, IP4_IHL, $5); } + | K_DADDR skip_white '=' skip_white ip_addr + { proto_field_set_u32(hdr, IP4_DADDR, $5.s_addr); } + | K_SADDR skip_white '=' skip_white ip_addr + { proto_field_set_u32(hdr, IP4_SADDR, $5.s_addr); } + | K_PROT skip_white '=' skip_white number + { proto_field_set_u8(hdr, IP4_PROTO, $5); } + | K_TTL skip_white '=' skip_white number + { proto_field_set_u8(hdr, IP4_TTL, $5); } + | K_DSCP skip_white '=' skip_white number + { proto_field_set_u8(hdr, IP4_DSCP, $5); } + | K_ECN skip_white '=' skip_white number + { proto_field_set_u8(hdr, IP4_ECN, $5); } + | K_TOS skip_white '=' skip_white number + { proto_field_set_u8(hdr, IP4_TOS, $5); } + | K_LEN skip_white '=' skip_white number + { proto_field_set_be16(hdr, IP4_LEN, $5); } + | K_ID skip_white '=' skip_white number + { proto_field_set_be16(hdr, IP4_ID, $5); } + | K_FLAGS skip_white '=' skip_white number + { proto_field_set_be16(hdr, IP4_FLAGS, $5); } + | K_DF { proto_field_set_be16(hdr, IP4_DF, 1); } + | K_MF { proto_field_set_be16(hdr, IP4_MF, 1); } + | K_FRAG skip_white '=' skip_white number + { proto_field_set_be16(hdr, IP4_FRAG_OFFS, $5); } + | K_CSUM skip_white '=' skip_white number + { proto_field_set_be16(hdr, IP4_CSUM, $5); } + ; + +ip4 + : K_IP4 { proto_add(PROTO_IP4); } + ; + %% static void finalize_packet(void) |