--- zzzz-none-000/linux-3.10.107/drivers/infiniband/hw/qib/qib_mad.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/infiniband/hw/qib/qib_mad.c	2021-02-04 17:41:59.000000000 +0000
@@ -83,7 +83,8 @@
 		return;
 
 	send_buf = ib_create_send_mad(agent, 0, 0, 0, IB_MGMT_MAD_HDR,
-				      IB_MGMT_MAD_DATA, GFP_ATOMIC);
+				      IB_MGMT_MAD_DATA, GFP_ATOMIC,
+				      IB_MGMT_BASE_VERSION);
 	if (IS_ERR(send_buf))
 		return;
 
@@ -152,14 +153,14 @@
 	data.trap_num = trap_num;
 	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
 	data.toggle_count = 0;
-	memset(&data.details, 0, sizeof data.details);
+	memset(&data.details, 0, sizeof(data.details));
 	data.details.ntc_257_258.lid1 = lid1;
 	data.details.ntc_257_258.lid2 = lid2;
 	data.details.ntc_257_258.key = cpu_to_be32(key);
 	data.details.ntc_257_258.sl_qp1 = cpu_to_be32((sl << 28) | qp1);
 	data.details.ntc_257_258.qp2 = cpu_to_be32(qp2);
 
-	qib_send_trap(ibp, &data, sizeof data);
+	qib_send_trap(ibp, &data, sizeof(data));
 }
 
 /*
@@ -176,7 +177,7 @@
 	data.trap_num = IB_NOTICE_TRAP_BAD_MKEY;
 	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
 	data.toggle_count = 0;
-	memset(&data.details, 0, sizeof data.details);
+	memset(&data.details, 0, sizeof(data.details));
 	data.details.ntc_256.lid = data.issuer_lid;
 	data.details.ntc_256.method = smp->method;
 	data.details.ntc_256.attr_id = smp->attr_id;
@@ -198,7 +199,7 @@
 		       hop_cnt);
 	}
 
-	qib_send_trap(ibp, &data, sizeof data);
+	qib_send_trap(ibp, &data, sizeof(data));
 }
 
 /*
@@ -214,11 +215,11 @@
 	data.trap_num = IB_NOTICE_TRAP_CAP_MASK_CHG;
 	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
 	data.toggle_count = 0;
-	memset(&data.details, 0, sizeof data.details);
+	memset(&data.details, 0, sizeof(data.details));
 	data.details.ntc_144.lid = data.issuer_lid;
 	data.details.ntc_144.new_cap_mask = cpu_to_be32(ibp->port_cap_flags);
 
-	qib_send_trap(ibp, &data, sizeof data);
+	qib_send_trap(ibp, &data, sizeof(data));
 }
 
 /*
@@ -234,11 +235,11 @@
 	data.trap_num = IB_NOTICE_TRAP_SYS_GUID_CHG;
 	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
 	data.toggle_count = 0;
-	memset(&data.details, 0, sizeof data.details);
+	memset(&data.details, 0, sizeof(data.details));
 	data.details.ntc_145.lid = data.issuer_lid;
 	data.details.ntc_145.new_sys_guid = ib_qib_sys_image_guid;
 
-	qib_send_trap(ibp, &data, sizeof data);
+	qib_send_trap(ibp, &data, sizeof(data));
 }
 
 /*
@@ -254,12 +255,12 @@
 	data.trap_num = IB_NOTICE_TRAP_CAP_MASK_CHG;
 	data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
 	data.toggle_count = 0;
-	memset(&data.details, 0, sizeof data.details);
+	memset(&data.details, 0, sizeof(data.details));
 	data.details.ntc_144.lid = data.issuer_lid;
 	data.details.ntc_144.local_changes = 1;
 	data.details.ntc_144.change_flags = IB_NOTICE_TRAP_NODE_DESC_CHG;
 
-	qib_send_trap(ibp, &data, sizeof data);
+	qib_send_trap(ibp, &data, sizeof(data));
 }
 
 static int subn_get_nodedescription(struct ib_smp *smp,
@@ -1634,6 +1635,23 @@
 	return reply((struct ib_smp *)pmp);
 }
 
+static void qib_snapshot_pmacounters(
+	struct qib_ibport *ibp,
+	struct qib_pma_counters *pmacounters)
+{
+	struct qib_pma_counters *p;
+	int cpu;
+
+	memset(pmacounters, 0, sizeof(*pmacounters));
+	for_each_possible_cpu(cpu) {
+		p = per_cpu_ptr(ibp->pmastats, cpu);
+		pmacounters->n_unicast_xmit += p->n_unicast_xmit;
+		pmacounters->n_unicast_rcv += p->n_unicast_rcv;
+		pmacounters->n_multicast_xmit += p->n_multicast_xmit;
+		pmacounters->n_multicast_rcv += p->n_multicast_rcv;
+	}
+}
+
 static int pma_get_portcounters_ext(struct ib_pma_mad *pmp,
 				    struct ib_device *ibdev, u8 port)
 {
@@ -1642,6 +1660,7 @@
 	struct qib_ibport *ibp = to_iport(ibdev, port);
 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
 	u64 swords, rwords, spkts, rpkts, xwait;
+	struct qib_pma_counters pma;
 	u8 port_select = p->port_select;
 
 	memset(pmp->data, 0, sizeof(pmp->data));
@@ -1664,10 +1683,17 @@
 	p->port_rcv_data = cpu_to_be64(rwords);
 	p->port_xmit_packets = cpu_to_be64(spkts);
 	p->port_rcv_packets = cpu_to_be64(rpkts);
-	p->port_unicast_xmit_packets = cpu_to_be64(ibp->n_unicast_xmit);
-	p->port_unicast_rcv_packets = cpu_to_be64(ibp->n_unicast_rcv);
-	p->port_multicast_xmit_packets = cpu_to_be64(ibp->n_multicast_xmit);
-	p->port_multicast_rcv_packets = cpu_to_be64(ibp->n_multicast_rcv);
+
+	qib_snapshot_pmacounters(ibp, &pma);
+
+	p->port_unicast_xmit_packets = cpu_to_be64(pma.n_unicast_xmit
+		- ibp->z_unicast_xmit);
+	p->port_unicast_rcv_packets = cpu_to_be64(pma.n_unicast_rcv
+		- ibp->z_unicast_rcv);
+	p->port_multicast_xmit_packets = cpu_to_be64(pma.n_multicast_xmit
+		- ibp->z_multicast_xmit);
+	p->port_multicast_rcv_packets = cpu_to_be64(pma.n_multicast_rcv
+		- ibp->z_multicast_rcv);
 
 bail:
 	return reply((struct ib_smp *) pmp);
@@ -1795,6 +1821,7 @@
 	struct qib_ibport *ibp = to_iport(ibdev, port);
 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
 	u64 swords, rwords, spkts, rpkts, xwait;
+	struct qib_pma_counters pma;
 
 	qib_snapshot_counters(ppd, &swords, &rwords, &spkts, &rpkts, &xwait);
 
@@ -1810,23 +1837,25 @@
 	if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS)
 		ibp->z_port_rcv_packets = rpkts;
 
+	qib_snapshot_pmacounters(ibp, &pma);
+
 	if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS)
-		ibp->n_unicast_xmit = 0;
+		ibp->z_unicast_xmit = pma.n_unicast_xmit;
 
 	if (p->counter_select & IB_PMA_SELX_PORT_UNI_RCV_PACKETS)
-		ibp->n_unicast_rcv = 0;
+		ibp->z_unicast_rcv = pma.n_unicast_rcv;
 
 	if (p->counter_select & IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS)
-		ibp->n_multicast_xmit = 0;
+		ibp->z_multicast_xmit = pma.n_multicast_xmit;
 
 	if (p->counter_select & IB_PMA_SELX_PORT_MULTI_RCV_PACKETS)
-		ibp->n_multicast_rcv = 0;
+		ibp->z_multicast_rcv = pma.n_multicast_rcv;
 
 	return pma_get_portcounters_ext(pmp, ibdev, port);
 }
 
 static int process_subn(struct ib_device *ibdev, int mad_flags,
-			u8 port, struct ib_mad *in_mad,
+			u8 port, const struct ib_mad *in_mad,
 			struct ib_mad *out_mad)
 {
 	struct ib_smp *smp = (struct ib_smp *)out_mad;
@@ -1978,7 +2007,7 @@
 }
 
 static int process_perf(struct ib_device *ibdev, u8 port,
-			struct ib_mad *in_mad,
+			const struct ib_mad *in_mad,
 			struct ib_mad *out_mad)
 {
 	struct ib_pma_mad *pmp = (struct ib_pma_mad *)out_mad;
@@ -2271,7 +2300,7 @@
 }
 
 static int process_cc(struct ib_device *ibdev, int mad_flags,
-			u8 port, struct ib_mad *in_mad,
+			u8 port, const struct ib_mad *in_mad,
 			struct ib_mad *out_mad)
 {
 	struct ib_cc_mad *ccp = (struct ib_cc_mad *)out_mad;
@@ -2372,12 +2401,20 @@
  * This is called by the ib_mad module.
  */
 int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
-		    struct ib_wc *in_wc, struct ib_grh *in_grh,
-		    struct ib_mad *in_mad, struct ib_mad *out_mad)
+		    const struct ib_wc *in_wc, const struct ib_grh *in_grh,
+		    const struct ib_mad_hdr *in, size_t in_mad_size,
+		    struct ib_mad_hdr *out, size_t *out_mad_size,
+		    u16 *out_mad_pkey_index)
 {
 	int ret;
 	struct qib_ibport *ibp = to_iport(ibdev, port);
 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+	const struct ib_mad *in_mad = (const struct ib_mad *)in;
+	struct ib_mad *out_mad = (struct ib_mad *)out;
+
+	if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
+			 *out_mad_size != sizeof(*out_mad)))
+		return IB_MAD_RESULT_FAILURE;
 
 	switch (in_mad->mad_hdr.mgmt_class) {
 	case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
@@ -2448,7 +2485,7 @@
 		ibp = &dd->pport[p].ibport_data;
 		agent = ib_register_mad_agent(&dev->ibdev, p + 1, IB_QPT_SMI,
 					      NULL, 0, send_handler,
-					      NULL, NULL);
+					      NULL, NULL, 0);
 		if (IS_ERR(agent)) {
 			ret = PTR_ERR(agent);
 			goto err;