mirrors/ryu
1
0
Fork 0
mirror of https://github.com/faucetsdn/ryu.git synced 2026-05-08 13:56:09 +02:00
Code Issues Projects Releases Wiki Activity

oxm_fields: Add comments

Browse Source 
Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
YAMAMOTO Takashi 2014-10-14 12:28:39 +09:00 committed by FUJITA Tomonori
parent dcf6ddd828
commit 73e336e74e
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
ryu/ofproto/oxm_fields.py
View File

@ -225,6 +225,7 @@ def parse(mod, buf, offset):
oxm_len = mod.oxm_tlv_header_extract_length(header)
oxm_class = oxm_type >> 7
if oxm_class == OFPXMC_EXPERIMENTER:
# Experimenter OXMs have 64-bit header. (vs 32-bit for other OXMs)
exp_hdr_pack_str = '!I' # experimenter_id
(exp_id, ) = struct.unpack_from(exp_hdr_pack_str, buf,
offset + hdr_len)
@ -242,6 +243,8 @@ def parse(mod, buf, offset):
else:
num = oxm_type
exp_hdr_len = 0
# Note: OXM payload length (oxm_len) includes Experimenter ID (exp_hdr_len)
# for experimenter OXMs.
value_offset = offset + hdr_len + exp_hdr_len
value_len = oxm_len - exp_hdr_len
value_pack_str = '!%ds' % value_len