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authorMichael Chan <michael.chan@broadcom.com>2018-08-05 16:51:58 -0400
committerDavid S. Miller <davem@davemloft.net>2018-08-05 17:08:26 -0700
commitaabfc016e9a6db2a8c2da815fc84bfd5a2e8d221 (patch)
treed77a39d7b0563edf6a7e24a4f3ca9242ca3070ae /drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h
parentafdc8a84844a2163e25ad735f9f69d220ae02529 (diff)
bnxt_en: Do not use the CNP CoS queue for networking traffic.
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>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h
index c0e16c03195a..6eed231de565 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h
@@ -43,6 +43,10 @@ struct bnxt_dscp2pri_entry {
((q_profile) == \
QUEUE_QPORTCFG_RESP_QUEUE_ID0_SERVICE_PROFILE_LOSSLESS_ROCE)
+#define BNXT_CNPQ(q_profile) \
+ ((q_profile) == \
+ QUEUE_QPORTCFG_RESP_QUEUE_ID0_SERVICE_PROFILE_LOSSY_ROCE_CNP)
+
#define HWRM_STRUCT_DATA_SUBTYPE_HOST_OPERATIONAL 0x0300
void bnxt_dcb_init(struct bnxt *bp);