It's an optimization avoiding doing multiple DMAs for small fragmented packets.
Divy Le Ray wrote:
> From: Divy Le Ray <divy@xxxxxxxxxxx>
>
> Send small TX_DATA work requests as immediate data even when
> there are fragments.
>
> Signed-off-by: Divy Le Ray <divy@xxxxxxxxxxx>
> ---
>
> drivers/net/cxgb3/sge.c | 17 +++++++++++------
> 1 files changed, 11 insertions(+), 6 deletions(-)
needs additional explanation. don't just describe the new post-change
behavior, describe why this change is needed.