bnxt_en: Do not use the CNP CoS queue for networking traffic.

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The CNP CoS queue is reserved for internal RDMA Congestion Notification
Packets (CNP) and should not be used for a TC.  Modify the CoS queue
discovery code to skip over the CNP CoS queue and to reduce
bp->max_tc accordingly.  However, if RDMA is disabled in NVRAM, the
the CNP CoS queue can be used for a TC.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Michael Chan 2018-08-05 16:51:58 -04:00 • committed by David S. Miller

parent afdc8a8484

commit aabfc016e9

2 changed files with 18 additions and 8 deletions

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22

drivers/net/ethernet/broadcom/bnxt/bnxt.c

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4

drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h

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