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Currently, GRO does not flush packets when the CWR bit is set. A corresponding self-test is being added, in which the CWR flag is set for two consecutive packets, but the first packet with the CWR flag set will not be flushed immediately. +===================+==========+===============+===========+ | Packet id | CWR flag | Payload | Flushing? | +===================+==========+===============+===========+ | 0 | 0 | PAYLOAD_LEN | 0 | | ... | 0 | PAYLOAD_LEN | 1 | +-------------------+----------+---------------+-----------+ | NUM_PACKETS/2 - 1 | 1 | payload_len | 0 | | NUM_PACKETS/2 | 1 | payload_len | 1 | +-------------------+----------+---------------+-----------+ | ... | 0 | PAYLOAD_LEN | 0 | | NUM_PACKETS | 0 | PAYLOAD_LEN | 1 | +===================+==========+===============+===========+ Signed-off-by: Chia-Yu Chang <chia-yu.chang@nokia-bell-labs.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20260131222515.8485-4-chia-yu.chang@nokia-bell-labs.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>