diff options
Diffstat (limited to 'datapath-windows/ovsext/Netlink/Netlink.c')
| -rw-r--r-- | datapath-windows/ovsext/Netlink/Netlink.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/datapath-windows/ovsext/Netlink/Netlink.c b/datapath-windows/ovsext/Netlink/Netlink.c index ae10a870d..7633f2ff1 100644 --- a/datapath-windows/ovsext/Netlink/Netlink.c +++ b/datapath-windows/ovsext/Netlink/Netlink.c @@ -102,6 +102,43 @@ NlFillNlHdr(PNL_BUFFER nlBuf, UINT16 nlmsgType, return writeOk ? STATUS_SUCCESS : STATUS_INVALID_BUFFER_SIZE; } +static VOID +BuildMsgOut(POVS_MESSAGE msgIn, POVS_MESSAGE msgOut, UINT16 type, + UINT32 length, UINT16 flags) +{ + msgOut->nlMsg.nlmsgType = type; + msgOut->nlMsg.nlmsgFlags = flags; + msgOut->nlMsg.nlmsgSeq = msgIn->nlMsg.nlmsgSeq; + msgOut->nlMsg.nlmsgPid = msgIn->nlMsg.nlmsgPid; + msgOut->nlMsg.nlmsgLen = length; + + msgOut->genlMsg.cmd = msgIn->genlMsg.cmd; + msgOut->genlMsg.version = msgIn->genlMsg.version; + msgOut->genlMsg.reserved = 0; +} + +/* + * XXX: should move out these functions to a Netlink.c or to a OvsMessage.c + * or even make them inlined functions in Datapath.h. Can be done after the + * first sprint once we have more code to refactor. + */ +VOID +BuildReplyMsgFromMsgIn(POVS_MESSAGE msgIn, POVS_MESSAGE msgOut, UINT16 flags) +{ + BuildMsgOut(msgIn, msgOut, msgIn->nlMsg.nlmsgType, sizeof(OVS_MESSAGE), + flags); +} + +VOID +BuildErrorMsg(POVS_MESSAGE msgIn, POVS_MESSAGE_ERROR msgOut, UINT errorCode) +{ + BuildMsgOut(msgIn, (POVS_MESSAGE)msgOut, NLMSG_ERROR, + sizeof(OVS_MESSAGE_ERROR), 0); + + msgOut->errorMsg.error = errorCode; + msgOut->errorMsg.nlMsg = msgIn->nlMsg; +} + /* * --------------------------------------------------------------------------- * Adds Netlink Header to the NL_BUF. |