From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hal Rosenstock Subject: [PATCH] opensm/osm_congestion_control.c: Skip TID 0 on 32 bit wraparound Date: Tue, 31 Jul 2012 12:27:09 -0400 Message-ID: <5018075D.5030902@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alex Netes Cc: "linux-rdma (linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org)" , "Chu, Al" List-Id: linux-rdma@vger.kernel.org Signed-off-by: Hal Rosenstock --- diff --git a/opensm/osm_congestion_control.c b/opensm/osm_congestion_control.c index 640f3fa..9a9dfcd 100644 --- a/opensm/osm_congestion_control.c +++ b/opensm/osm_congestion_control.c @@ -82,7 +82,12 @@ static void cc_mad_post(osm_congestion_control_t *p_cc, p_cc_mad->header.status = 0; p_cc_mad->header.class_spec = 0; p_cc_mad->header.trans_id = - cl_hton64((uint64_t) cl_atomic_inc(&p_cc->trans_id)); + cl_hton64((uint64_t) cl_atomic_inc(&p_cc->trans_id) & + (uint64_t) (0xFFFFFFFF)); + if (p_cc_mad->header.trans_id == 0) + p_cc_mad->header.trans_id = + cl_hton64((uint64_t) cl_atomic_inc(&p_cc->trans_id) & + (uint64_t) (0xFFFFFFFF)); p_cc_mad->header.attr_id = attr_id; p_cc_mad->header.resv = 0; p_cc_mad->header.attr_mod = attr_mod; -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html