diff options
| author | Vadim Kochan <vadim4j@gmail.com> | 2016-09-22 23:55:37 +0300 |
|---|---|---|
| committer | Tobias Klauser <tklauser@distanz.ch> | 2016-10-04 17:20:28 +0200 |
| commit | f014afe52c3a4a5556475471bac54a5103552eba (patch) | |
| tree | 9c34241c4c759467191ebf7d71e1c2331283c20a | |
| parent | 8aa7e5bf95e452cec43412036b59c04014149cde (diff) | |
trafgen: parser: Add 'pfc()' function for PFC header
Add 'pfc()' function for PFC header creation with fields:
code - MAC Control opcode
prio - Priority enable vector
prio(0)..prio(7) - Enable/disable pause for prio X
time(0)..time(7) - Set pause time for prio X
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
| -rw-r--r-- | trafgen_lexer.l | 4 | ||||
| -rw-r--r-- | trafgen_parser.y | 40 |
2 files changed, 42 insertions, 2 deletions
diff --git a/trafgen_lexer.l b/trafgen_lexer.l index 324a171..025fbfe 100644 --- a/trafgen_lexer.l +++ b/trafgen_lexer.l @@ -118,8 +118,9 @@ ip6_addr (({a_hex}?:)?({a_hex}?:)?({a_hex}?:)?({a_hex}?:)?({a_hex}?:)?({a_hex}?: "etype" { return K_ETYPE; } "type" { return K_TYPE; } - /* IEEE 802.3X PAUSE */ + /* PFC/IEEE 802.3X PAUSE */ "time" { return K_TIME; } +"pri"|"prio" { return K_PRIO; } /* VLAN (802.1Q & 802.1ad) */ "tpid" { return K_TPID; } @@ -196,6 +197,7 @@ ip6_addr (({a_hex}?:)?({a_hex}?:)?({a_hex}?:)?({a_hex}?:)?({a_hex}?:)?({a_hex}?: "eth" { return K_ETH; } "pause" { return K_PAUSE; } +"pfc" { return K_PFC; } "vlan" { return K_VLAN; } "mpls" { return K_MPLS; } "arp" { return K_ARP; } diff --git a/trafgen_parser.y b/trafgen_parser.y index 6526756..8ebf464 100644 --- a/trafgen_parser.y +++ b/trafgen_parser.y @@ -461,7 +461,7 @@ static void proto_field_expr_eval(void) %token K_CPU K_CSUMIP K_CSUMUDP K_CSUMTCP K_CSUMUDP6 K_CSUMTCP6 K_CONST8 K_CONST16 K_CONST32 K_CONST64 %token K_DADDR K_SADDR K_ETYPE K_TYPE -%token K_TIME +%token K_TIME K_PRIO %token K_OPER K_SHA K_SPA K_THA K_TPA K_REQUEST K_REPLY K_PTYPE K_HTYPE %token K_PROT 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_FLOW K_NEXT_HDR K_HOP_LIMIT @@ -475,6 +475,7 @@ static void proto_field_expr_eval(void) %token K_ETH %token K_PAUSE +%token K_PFC %token K_VLAN K_MPLS %token K_ARP %token K_IP4 K_IP6 @@ -702,6 +703,7 @@ ddec proto : eth_proto { } | pause_proto { } + | pfc_proto { } | vlan_proto { } | mpls_proto { } | arp_proto { } @@ -806,6 +808,42 @@ pause_expr { proto_field_expr_eval(); } ; +pfc_proto + : pfc '(' pfc_param_list ')' { } + ; + +pfc + : K_PFC { proto_add(PROTO_PFC); } + ; + +pfc_param_list + : { } + | pfc_expr { } + | pfc_expr delimiter pfc_param_list { } + ; + +pfc_field + : K_CODE { proto_field_set(PFC_OPCODE); } + | K_PRIO { proto_field_set(PFC_PRIO); } + | K_PRIO '(' number ')' + { if ($3 > 7) { + yyerror("pfc: Invalid prio(index) parameter"); + panic("pfc: prio(0)..prio(7) is allowed only\n"); + } + proto_field_set(PFC_PRIO_0 + $3); } + | K_TIME '(' number ')' + { if ($3 > 7) { + yyerror("pfc: Invalid time(index) parameter"); + panic("pfc: time(0)..time(7) is allowed only\n"); + } + proto_field_set(PFC_TIME_0 + $3); } + ; + +pfc_expr + : pfc_field skip_white '=' skip_white field_expr + { proto_field_expr_eval(); } + ; + vlan_proto : vlan '(' vlan_param_list ')' { } ; |