On Thu, May 21, 2015 at 12:13:54PM +0000, Sorin Vinturis wrote:
> Added support for creating and handling multiple NBLs with only one NB
> for ingress data path.
>
> Signed-off-by: Sorin Vinturis <svinturis at cloudbasesolutions.com>
> Reported-by: Alessandro Pilotti <apilotti at cloudbasesolutions.com>
> Reported-at: https://github.com/openvswitch/ovs-issues/issues/2
> ---
> v2: Original NBL's buffer context reference count is modified through
> OvsCompleteNBL, instead of accessing it directly.
I can't get this to apply, the following hunk gets rejected:
diff a/datapath-windows/ovsext/PacketIO.c b/datapath-windows/ovsext/PacketIO.c
(rejected hunks)
@@ -256,18 +261,36 @@ OvsStartNBLIngress(POVS_SWITCH_CONTEXT switchContext,
}
#endif
- /* Ethernet Header is a guaranteed safe access. */
- curNb = NET_BUFFER_LIST_FIRST_NB(curNbl);
- if (curNb->Next != NULL) {
- /* XXX: This case is not handled yet. */
+ ctx = OvsInitExternalNBLContext(switchContext, curNbl,
+ sourcePort == switchContext->virtualExternalPortId);
+ if (ctx == NULL) {
RtlInitUnicodeString(&filterReason,
- L"Dropping NBLs with multiple NBs");
+ L"Cannot allocate external NBL context.");
+
OvsStartNBLIngressError(switchContext, curNbl,
sendCompleteFlags, &filterReason,
NDIS_STATUS_RESOURCES);
continue;
- } else {
- POVS_BUFFER_CONTEXT ctx;
+ }
+
+ /* Ethernet Header is a guaranteed safe access. */
+ curNb = NET_BUFFER_LIST_FIRST_NB(curNbl);
+ if (curNb->Next != NULL) {
+ /* Create a NET_BUFFER_LIST for each NET_BUFFER. */
+ status = OvsCreateNewNBLsFromMultipleNBs(switchContext,
+ &curNbl,
+ &nextNbl);
+ if (!NT_SUCCESS(status)) {
+ RtlInitUnicodeString(&filterReason,
+ L"Cannot allocate NBLs with single NB.");
+
+ OvsStartNBLIngressError(switchContext, curNbl,
+ sendCompleteFlags, &filterReason,
+ NDIS_STATUS_RESOURCES);
+ continue;
+ }
+ }
+ {
OvsFlow *flow;
/* Take the DispatchLock so none of the VPORTs disconnect while
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