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Code Issues Releases Wiki Activity

dpif-linux: Add missing NLM_F_ECHO flag to flow requests.

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Flow transactions expect a response after the operation has completed
but the request did not have NLM_F_ECHO set.  This caused userspace
to receive only the Netlink ACK instead of a real response, making
it appear that the operation had failed when it actually succeeded.
This commit is contained in:
Jesse Gross
2011-01-29 18:09:37 -08:00
parent 4ca85130db
commit f9ef1c31cf
1 changed files with 2 additions and 1 deletions
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3
lib/dpif-linux.c
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@@ -1449,7 +1449,8 @@ dpif_linux_flow_to_ofpbuf(const struct dpif_linux_flow *flow,
struct odp_header *odp_header;
nl_msg_put_genlmsghdr(buf, 0, odp_flow_family,
NLM_F_REQUEST | flow->nlmsg_flags, flow->cmd, 1);
NLM_F_REQUEST | NLM_F_ECHO | flow->nlmsg_flags,
flow->cmd, 1);
odp_header = ofpbuf_put_uninit(buf, sizeof *odp_header);
odp_header->dp_ifindex = flow->dp_ifindex;