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Jesper Dangaard Brouer authored
Bulk free of SKBs happen transparently by the API call napi_consume_skb(). The napi budget parameter is usually needed by napi_consume_skb() to detect if called from netpoll. In this patch it has an extra meaning. For mlx4 driver, the mlx4_en_stop_port() call is done outside NAPI/softirq context, and cleanup the entire TX ring via mlx4_en_free_tx_buf(). The code mlx4_en_free_tx_desc() for freeing SKBs are shared with NAPI calls. To handle this shared use the zero budget indication is reused, and handled appropriately in napi_consume_skb(). To reflect this, variable is called napi_mode for the function call that needed this distinction. Signed-off-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
b4a53379