[openib-general] [PATCH] mthca: fix sgid for port 2 mad

[Michael S. Tsirkin]

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: Michael S. Tsirkin <mst at mellanox.co.il>

Index: openib/drivers/infiniband/hw/mthca/mthca_av.c
===================================================================
--- openib.orig/drivers/infiniband/hw/mthca/mthca_av.c	2006-01-14 18:40:12.000000000 +0200
+++ openib/drivers/infiniband/hw/mthca/mthca_av.c	2006-01-18 02:35:18.000000000 +0200
@@ -182,7 +182,7 @@ int mthca_read_ah(struct mthca_dev *dev,
 			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);

-- 
MST