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IB/mlx4: Set traffic class in AH

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Set traffic class within sl_tclass_flowlabel when create iboe AH.
Without this the TOS value will be empty when running VLAN tagged
traffic, because the TOS value is taken from the traffic class in the
address handle attributes.

Fixes: 9106c41069 ('IB/mlx4: Fix SL to 802.1Q priority-bits mapping for IBoE')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Maor Gottlieb 2016-11-10 11:30:53 +02:00 committed by Doug Ledford
parent 0b59970e7d
commit af4295c117
1 changed files with 4 additions and 2 deletions
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6
drivers/infiniband/hw/mlx4/ah.c
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@ -111,7 +111,9 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
!(1 << ah->av.eth.stat_rate & dev->caps.stat_rate_support))
--ah->av.eth.stat_rate;
}
ah->av.eth.sl_tclass_flowlabel |=
cpu_to_be32((ah_attr->grh.traffic_class << 20) |
ah_attr->grh.flow_label);
/*
* HW requires multicast LID so we just choose one.
*/
@ -119,7 +121,7 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
ah->av.ib.dlid = cpu_to_be16(0xc000);
memcpy(ah->av.eth.dgid, ah_attr->grh.dgid.raw, 16);
ah->av.eth.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 29);
ah->av.eth.sl_tclass_flowlabel |= cpu_to_be32(ah_attr->sl << 29);
return &ah->ibah;
}