bnxt_en: Add support for 2nd firmware message channel.
Earlier, some of the firmware commands (ex: CFA_FLOW_*) which are processed by KONG processor were sent to the CHIMP processor from the host. This approach was taken as there was no direct message channel to KONG. CHIMP in turn used to send them to KONG. Newer firmware supports a new message channel which the host can send messages directly to the KONG processor. This patch adds support for required changes needed in the driver to support direct KONG message channel. This speeds up flow related messages sent to the firmware for CLS_FLOWER offload. Signed-off-by: NVenkat Duvvuru <venkatkumar.duvvuru@broadcom.com> Signed-off-by: NMichael Chan <michael.chan@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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