Commit ff8b67fc authored Nov 28, 2018 by Ashutosh Dixit Committed by Jason Gunthorpe Dec 06, 2018

IB/hfi1: Consider LMC in 16B/bypass ingress packet check



Ingress packet check for 16B/bypass packets should consider the port
LMC. Not doing this will result in packets sent to the LMC LIDs getting
dropped. The check is implemented in HW for 9B packets.

Reviewed-by: Mike Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

parent dbc2970c

drivers/infiniband/hw/hfi1/driver.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1426,7 +1426,7 @@ static int hfi1_bypass_ingress_pkt_check(struct hfi1_packet *packet)
		if ((!(hfi1_is_16B_mcast(packet->dlid))) &&
		(packet->dlid !=
		opa_get_lid(be32_to_cpu(OPA_LID_PERMISSIVE), 16B))) {
		if (packet->dlid != ppd->lid)
		if ((packet->dlid & ~((1 << ppd->lmc) - 1)) != ppd->lid)
		return -EINVAL;
		}

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