Thanks for the patch!
Applied on master.
> On 18 May 2019, at 00:16, Anand Kumar via dev <ovs-dev@openvswitch.org> wrote:
>
> When a nbl is cloned, mru value stored in the original nbl
> context is lost, which skips refragemting the cloned nbls.
>
> This patch fixes it.
>
> Signed-off-by: Anand Kumar <kumaran...@vmware.com>
> ---
> datapath-windows/ovsext/BufferMgmt.c | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/datapath-windows/ovsext/BufferMgmt.c
> b/datapath-windows/ovsext/BufferMgmt.c
> index 6627acf..acf3c13 100644
> --- a/datapath-windows/ovsext/BufferMgmt.c
> +++ b/datapath-windows/ovsext/BufferMgmt.c
> @@ -260,14 +260,15 @@ static VOID
> OvsInitNBLContext(POVS_BUFFER_CONTEXT ctx,
> UINT16 flags,
> UINT32 origDataLength,
> - UINT32 srcPortNo)
> + UINT32 srcPortNo,
> + UINT16 mru)
> {
> ctx->magic = OVS_CTX_MAGIC;
> ctx->refCount = 1;
> ctx->flags = flags;
> ctx->srcPortNo = srcPortNo;
> ctx->origDataLength = origDataLength;
> - ctx->mru = 0;
> + ctx->mru = mru;
> ctx->pendingSend = 0;
> }
>
> @@ -434,7 +435,7 @@ OvsAllocateFixSizeNBL(PVOID ovsContext,
>
> OvsInitNBLContext(ctx, OVS_BUFFER_FROM_FIX_SIZE_POOL |
> OVS_BUFFER_PRIVATE_FORWARD_CONTEXT, size,
> - OVS_DPPORT_NUMBER_INVALID);
> + OVS_DPPORT_NUMBER_INVALID, 0);
> line = __LINE__;
> allocate_done:
> OVS_LOG_LOUD("Allocate Fix NBL: %p, line: %d", nbl, line);
> @@ -547,7 +548,7 @@ OvsAllocateVariableSizeNBL(PVOID ovsContext,
> OvsInitNBLContext(ctx, OVS_BUFFER_PRIVATE_MDL | OVS_BUFFER_PRIVATE_DATA |
> OVS_BUFFER_PRIVATE_FORWARD_CONTEXT |
> OVS_BUFFER_FROM_ZERO_SIZE_POOL,
> - size, OVS_DPPORT_NUMBER_INVALID);
> + size, OVS_DPPORT_NUMBER_INVALID, 0);
>
> OVS_LOG_LOUD("Allocate variable size NBL: %p", nbl);
> return nbl;
> @@ -600,7 +601,7 @@ OvsInitExternalNBLContext(PVOID ovsContext,
> * complete.
> */
> OvsInitNBLContext(ctx, flags, NET_BUFFER_DATA_LENGTH(nb),
> - OVS_DPPORT_NUMBER_INVALID);
> + OVS_DPPORT_NUMBER_INVALID, 0);
> return ctx;
> }
>
> @@ -817,7 +818,7 @@ OvsPartialCopyNBL(PVOID ovsContext,
> srcNb = NET_BUFFER_LIST_FIRST_NB(nbl);
> ASSERT(srcNb);
> OvsInitNBLContext(dstCtx, flags, NET_BUFFER_DATA_LENGTH(srcNb) - copySize,
> - OVS_DPPORT_NUMBER_INVALID);
> + OVS_DPPORT_NUMBER_INVALID, srcCtx->mru);
>
> InterlockedIncrement((LONG volatile *)&srcCtx->refCount);
>
> @@ -1074,7 +1075,7 @@ OvsFullCopyNBL(PVOID ovsContext,
> OVS_BUFFER_PRIVATE_FORWARD_CONTEXT;
>
> OvsInitNBLContext(dstCtx, flags, NET_BUFFER_DATA_LENGTH(firstNb),
> - OVS_DPPORT_NUMBER_INVALID);
> + OVS_DPPORT_NUMBER_INVALID, srcCtx->mru);
>
> #ifdef DBG
> OvsDumpNetBufferList(nbl);
> --
> 2.9.3.windows.1
>
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