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Commit f9e61929 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Roland Dreier
Browse files

IB/mthca: Use correct GID in MADs sent on port 2 



mthca_create_ah() includes the port number in the GID index. The reverse
needs to be done in mthca_read_ah().

Noted by Hal Rosenstock.

Signed-off-by: default avatarMichael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent b36f170b

drivers/infiniband/hw/mthca/mthca_av.c

+1 −1
Original line number Diff line number Diff line
@@ -184,7 +184,7 @@ int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah, 
			ah->av->sl_tclass_flowlabel & cpu_to_be32(0xfffff);

		ib_get_cached_gid(&dev->ib_dev,

				  be32_to_cpu(ah->av->port_pd) >> 24,

				  ah->av->gid_index,

				  ah->av->gid_index % dev->limits.gid_table_len,

				  &header->grh.source_gid);

		memcpy(header->grh.destination_gid.raw,

		       ah->av->dgid, 16);