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net: hns3: Add "queue info" query function
Query the queue information of the current NIC such as BD size, queue header and tail pointer. This patch adds support for debugfs command: echo queue info 1 > cmd it can print queue config information... root@(none)# echo queue info 1 > cmd hns3 0000:7d:00.0: queue info hns3 0000:7d:00.0: RX(1) BASE ADD: 0x00000000ffb58000 hns3 0000:7d:00.0: RX(1) RING BD NUM: 127 hns3 0000:7d:00.0: RX(1) RING BD LEN: 2 hns3 0000:7d:00.0: RX(1) RING TAIL: 120 hns3 0000:7d:00.0: RX(1) RING HEAD: 0 hns3 0000:7d:00.0: RX(1) RING FBDNUM: 0 hns3 0000:7d:00.0: RX(1) RING PKTNUM: 0 hns3 0000:7d:00.0: TX(1) BASE ADD: 0x00000000fffd8000 hns3 0000:7d:00.0: TX(1) RING BD NUM: 127 hns3 0000:7d:00.0: TX(1) RING TC: 0 hns3 0000:7d:00.0: TX(1) RING TAIL: 2 hns3 0000:7d:00.0: TX(1) RING HEAD: 2 hns3 0000:7d:00.0: TX(1) RING FBDNUM: 0 hns3 0000:7d:00.0: TX(1) RING OFFSET: 0 hns3 0000:7d:00.0: TX(1) RING PKTNUM: 0 root@(none)# Signed-off-by: liuzhongzhu <[email protected]> Signed-off-by: Salil Mehta <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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