qca-nss-sfe: fix the checksum issue in UDP type tunnel.

This change fixes the checksum calculation of udp flows
to the udp socket based tunnel(vxlan, l2tp, etc.).

Change-Id: I0012ede6b7c49397b0cf36353449d25e391cddc8
Signed-off-by: Ken Zhu <quic_guigenz@quicinc.com>
1 file changed