RDMA/cxgb4: Calculate the filter server TID properly

Based on original work by Santosh Rastapur <santosh@chelsio.com>

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 12fef76..02c7515 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3323,9 +3323,7 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb)
        /*
         * Calculate the server tid from filter hit index from cpl_rx_pkt.
         */
-       stid = (__force int) cpu_to_be32((__force u32) rss->hash_val)
-                                         - dev->rdev.lldi.tids->sftid_base
-                                         + dev->rdev.lldi.tids->nstids;
+       stid = (__force int) cpu_to_be32((__force u32) rss->hash_val);
 
        lep = (struct c4iw_ep *)lookup_stid(dev->rdev.lldi.tids, stid);
        if (!lep) {