diff options
| author | Vadim Kochan <vadim4j@gmail.com> | 2016-02-01 19:01:39 +0200 |
|---|---|---|
| committer | Tobias Klauser <tklauser@distanz.ch> | 2016-02-02 16:54:48 +0100 |
| commit | a4e17af38e2e2545c32292b7b46102d49e738e1e (patch) | |
| tree | 454c138b7d28c0d97c6e551fe479b70f112f408f /trafgen_proto.h | |
| parent | 287e1d8899e2649395022b57230c1a93c125cc2c (diff) | |
trafgen: l2: Add VLAN header generation
Add generation of VLAN header with supported fields:
TPID, DEI/CFI, PCP, VID
Changed struct proto_field.offset uint16_t -> int16_t to make
TPID offset -2 to point to ether type.
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'trafgen_proto.h')
| -rw-r--r-- | trafgen_proto.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/trafgen_proto.h b/trafgen_proto.h index 491e079..996c24e 100644 --- a/trafgen_proto.h +++ b/trafgen_proto.h @@ -12,6 +12,7 @@ struct proto_ctx { enum proto_id { PROTO_NONE, PROTO_ETH, + PROTO_VLAN, PROTO_ARP, PROTO_IP4, PROTO_IP6, @@ -31,7 +32,8 @@ struct proto_field { size_t len; uint32_t shift; uint32_t mask; - uint16_t offset; + /* might be negative (e.g. VLAN TPID field) */ + int16_t offset; bool is_set; uint16_t pkt_offset; |