Merge branch 'qed-next'

Sudarsana Reddy Kalluru says:

====================
qed*: Add support for additional statistics.

The patch series adds qed/qede support for new statistics.
Patch (1) adds couple of statistcs for "ethtool -S" display.
Patch (2) adds support for per-queue statistics to ethtool display.
Patch (3) adds qed support for NCSI statistics.

Please consider applying this to 'net-next' branch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed.h

@@ -42,6 +42,8 @@ enum qed_coalescing_mode {
 
 struct qed_eth_cb_ops;
 struct qed_dev_info;
+union qed_mcp_protocol_stats;
+enum qed_mcp_protocol_type;
 
 /* helpers */
 static inline u32 qed_db_addr(u32 cid, u32 DEMS)
@@ -597,7 +599,9 @@ void qed_link_update(struct qed_hwfn *hwfn);
 u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
 		   u32 input_len, u8 *input_buf,
 		   u32 max_size, u8 *unzip_buf);
-
+void qed_get_protocol_stats(struct qed_dev *cdev,
+			    enum qed_mcp_protocol_type type,
+			    union qed_mcp_protocol_stats *stats);
 int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
 
 #endif /* _QED_H */

drivers/net/ethernet/qlogic/qed/qed_hsi.h

@@ -7239,6 +7239,12 @@ struct public_drv_mb {
 #define DRV_MSG_CODE_MCP_RESET			0x00090000
 #define DRV_MSG_CODE_SET_VERSION		0x000f0000
 
+#define DRV_MSG_CODE_GET_STATS                  0x00130000
+#define DRV_MSG_CODE_STATS_TYPE_LAN             1
+#define DRV_MSG_CODE_STATS_TYPE_FCOE            2
+#define DRV_MSG_CODE_STATS_TYPE_ISCSI           3
+#define DRV_MSG_CODE_STATS_TYPE_RDMA            4
+
 #define DRV_MSG_CODE_BIST_TEST			0x001e0000
 #define DRV_MSG_CODE_SET_LED_MODE		0x00200000
 
@@ -7315,10 +7321,10 @@ enum MFW_DRV_MSG_TYPE {
 	MFW_DRV_MSG_RESERVED4,
 	MFW_DRV_MSG_BW_UPDATE,
 	MFW_DRV_MSG_BW_UPDATE5,
-	MFW_DRV_MSG_BW_UPDATE6,
-	MFW_DRV_MSG_BW_UPDATE7,
-	MFW_DRV_MSG_BW_UPDATE8,
-	MFW_DRV_MSG_BW_UPDATE9,
+	MFW_DRV_MSG_GET_LAN_STATS,
+	MFW_DRV_MSG_GET_FCOE_STATS,
+	MFW_DRV_MSG_GET_ISCSI_STATS,
+	MFW_DRV_MSG_GET_RDMA_STATS,
 	MFW_DRV_MSG_BW_UPDATE10,
 	MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE,
 	MFW_DRV_MSG_BW_UPDATE11,

drivers/net/ethernet/qlogic/qed/qed_l2.h

@@ -213,6 +213,8 @@ qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn,
 			    enum spq_mode comp_mode,
 			    struct qed_spq_comp_cb *p_comp_data);
 
+void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats);
+
 int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
 			   struct qed_sp_vport_start_params *p_params);
 

drivers/net/ethernet/qlogic/qed/qed_main.c

@@ -1402,3 +1402,24 @@ const struct qed_common_ops qed_common_ops_pass = {
 	.set_coalesce = &qed_set_coalesce,
 	.set_led = &qed_set_led,
 };
+
+void qed_get_protocol_stats(struct qed_dev *cdev,
+			    enum qed_mcp_protocol_type type,
+			    union qed_mcp_protocol_stats *stats)
+{
+	struct qed_eth_stats eth_stats;
+
+	memset(stats, 0, sizeof(*stats));
+
+	switch (type) {
+	case QED_MCP_LAN_STATS:
+		qed_get_vport_stats(cdev, &eth_stats);
+		stats->lan_stats.ucast_rx_pkts = eth_stats.rx_ucast_pkts;
+		stats->lan_stats.ucast_tx_pkts = eth_stats.tx_ucast_pkts;
+		stats->lan_stats.fcs_err = -1;
+		break;
+	default:
+		DP_ERR(cdev, "Invalid protocol type = %d\n", type);
+		return;
+	}
+}

drivers/net/ethernet/qlogic/qed/qed_mcp.c

@@ -713,6 +713,48 @@ int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
 	return 0;
 }
 
+static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
+					struct qed_ptt *p_ptt,
+					enum MFW_DRV_MSG_TYPE type)
+{
+	enum qed_mcp_protocol_type stats_type;
+	union qed_mcp_protocol_stats stats;
+	struct qed_mcp_mb_params mb_params;
+	union drv_union_data union_data;
+	u32 hsi_param;
+
+	switch (type) {
+	case MFW_DRV_MSG_GET_LAN_STATS:
+		stats_type = QED_MCP_LAN_STATS;
+		hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
+		break;
+	case MFW_DRV_MSG_GET_FCOE_STATS:
+		stats_type = QED_MCP_FCOE_STATS;
+		hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
+		break;
+	case MFW_DRV_MSG_GET_ISCSI_STATS:
+		stats_type = QED_MCP_ISCSI_STATS;
+		hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
+		break;
+	case MFW_DRV_MSG_GET_RDMA_STATS:
+		stats_type = QED_MCP_RDMA_STATS;
+		hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
+		break;
+	default:
+		DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
+		return;
+	}
+
+	qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
+
+	memset(&mb_params, 0, sizeof(mb_params));
+	mb_params.cmd = DRV_MSG_CODE_GET_STATS;
+	mb_params.param = hsi_param;
+	memcpy(&union_data, &stats, sizeof(stats));
+	mb_params.p_data_src = &union_data;
+	qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
+}
+
 static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
 				  struct public_func *p_shmem_info)
 {
@@ -854,6 +896,12 @@ int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
 		case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
 			qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
 			break;
+		case MFW_DRV_MSG_GET_LAN_STATS:
+		case MFW_DRV_MSG_GET_FCOE_STATS:
+		case MFW_DRV_MSG_GET_ISCSI_STATS:
+		case MFW_DRV_MSG_GET_RDMA_STATS:
+			qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
+			break;
 		case MFW_DRV_MSG_BW_UPDATE:
 			qed_mcp_update_bw(p_hwfn, p_ptt);
 			break;

drivers/net/ethernet/qlogic/qed/qed_mcp.h

@@ -106,6 +106,47 @@ struct qed_mcp_drv_version {
 	u8	name[MCP_DRV_VER_STR_SIZE - 4];
 };
 
+struct qed_mcp_lan_stats {
+	u64 ucast_rx_pkts;
+	u64 ucast_tx_pkts;
+	u32 fcs_err;
+};
+
+struct qed_mcp_fcoe_stats {
+	u64 rx_pkts;
+	u64 tx_pkts;
+	u32 fcs_err;
+	u32 login_failure;
+};
+
+struct qed_mcp_iscsi_stats {
+	u64 rx_pdus;
+	u64 tx_pdus;
+	u64 rx_bytes;
+	u64 tx_bytes;
+};
+
+struct qed_mcp_rdma_stats {
+	u64 rx_pkts;
+	u64 tx_pkts;
+	u64 rx_bytes;
+	u64 tx_byts;
+};
+
+enum qed_mcp_protocol_type {
+	QED_MCP_LAN_STATS,
+	QED_MCP_FCOE_STATS,
+	QED_MCP_ISCSI_STATS,
+	QED_MCP_RDMA_STATS
+};
+
+union qed_mcp_protocol_stats {
+	struct qed_mcp_lan_stats lan_stats;
+	struct qed_mcp_fcoe_stats fcoe_stats;
+	struct qed_mcp_iscsi_stats iscsi_stats;
+	struct qed_mcp_rdma_stats rdma_stats;
+};
+
 /**
  * @brief - returns the link params of the hw function
  *

drivers/net/ethernet/qlogic/qede/qede.h

@@ -36,6 +36,8 @@
 
 struct qede_stats {
 	u64 no_buff_discards;
+	u64 packet_too_big_discard;
+	u64 ttl0_discard;
 	u64 rx_ucast_bytes;
 	u64 rx_mcast_bytes;
 	u64 rx_bcast_bytes;
@@ -235,6 +237,7 @@ struct qede_rx_queue {
 	u16			num_rx_buffers;
 	u16			rxq_id;
 
+	u64			rcv_pkts;
 	u64			rx_hw_errors;
 	u64			rx_alloc_errors;
 	u64			rx_ip_frags;
@@ -263,6 +266,8 @@ struct qede_tx_queue {
 	union db_prod		tx_db;
 
 	u16			num_tx_buffers;
+	u64			xmit_pkts;
+	u64			stopped_cnt;
 };
 
 #define BD_UNMAP_ADDR(bd)		HILO_U64(le32_to_cpu((bd)->addr.hi), \

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

@@ -35,6 +35,7 @@ static const struct {
 	u64 offset;
 	char string[ETH_GSTRING_LEN];
 } qede_rqstats_arr[] = {
+	QEDE_RQSTAT(rcv_pkts),
 	QEDE_RQSTAT(rx_hw_errors),
 	QEDE_RQSTAT(rx_alloc_errors),
 	QEDE_RQSTAT(rx_ip_frags),
@@ -44,6 +45,24 @@ static const struct {
 #define QEDE_RQSTATS_DATA(dev, sindex, rqindex) \
 	(*((u64 *)(((char *)(dev->fp_array[(rqindex)].rxq)) +\
 		    qede_rqstats_arr[(sindex)].offset)))
+#define QEDE_TQSTAT_OFFSET(stat_name) \
+	(offsetof(struct qede_tx_queue, stat_name))
+#define QEDE_TQSTAT_STRING(stat_name) (#stat_name)
+#define QEDE_TQSTAT(stat_name) \
+	{QEDE_TQSTAT_OFFSET(stat_name), QEDE_TQSTAT_STRING(stat_name)}
+#define QEDE_NUM_TQSTATS ARRAY_SIZE(qede_tqstats_arr)
+static const struct {
+	u64 offset;
+	char string[ETH_GSTRING_LEN];
+} qede_tqstats_arr[] = {
+	QEDE_TQSTAT(xmit_pkts),
+	QEDE_TQSTAT(stopped_cnt),
+};
+
+#define QEDE_TQSTATS_DATA(dev, sindex, tssid, tcid) \
+	(*((u64 *)(((u64)(&dev->fp_array[tssid].txqs[tcid])) +\
+		   qede_tqstats_arr[(sindex)].offset)))
+
 static const struct {
 	u64 offset;
 	char string[ETH_GSTRING_LEN];
@@ -107,6 +126,8 @@ static const struct {
 	QEDE_PF_STAT(mftag_filter_discards),
 	QEDE_PF_STAT(mac_filter_discards),
 	QEDE_STAT(tx_err_drop_pkts),
+	QEDE_STAT(ttl0_discard),
+	QEDE_STAT(packet_too_big_discard),
 
 	QEDE_STAT(coalesced_pkts),
 	QEDE_STAT(coalesced_events),
@@ -151,17 +172,29 @@ static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf)
 {
 	int i, j, k;
 
+	for (i = 0, k = 0; i < edev->num_rss; i++) {
+		int tc;
+
+		for (j = 0; j < QEDE_NUM_RQSTATS; j++)
+			sprintf(buf + (k + j) * ETH_GSTRING_LEN,
+				"%d:   %s", i, qede_rqstats_arr[j].string);
+		k += QEDE_NUM_RQSTATS;
+		for (tc = 0; tc < edev->num_tc; tc++) {
+			for (j = 0; j < QEDE_NUM_TQSTATS; j++)
+				sprintf(buf + (k + j) * ETH_GSTRING_LEN,
+					"%d.%d: %s", i, tc,
+					qede_tqstats_arr[j].string);
+			k += QEDE_NUM_TQSTATS;
+		}
+	}
+
 	for (i = 0, j = 0; i < QEDE_NUM_STATS; i++) {
 		if (IS_VF(edev) && qede_stats_arr[i].pf_only)
 			continue;
-		strcpy(buf + j * ETH_GSTRING_LEN,
+		strcpy(buf + (k + j) * ETH_GSTRING_LEN,
 		       qede_stats_arr[i].string);
 		j++;
 	}
-
-	for (k = 0; k < QEDE_NUM_RQSTATS; k++, j++)
-		strcpy(buf + j * ETH_GSTRING_LEN,
-		       qede_rqstats_arr[k].string);
 }
 
 static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
@@ -197,19 +230,24 @@ static void qede_get_ethtool_stats(struct net_device *dev,
 
 	mutex_lock(&edev->qede_lock);
 
+	for (qid = 0; qid < edev->num_rss; qid++) {
+		int tc;
+
+		for (sidx = 0; sidx < QEDE_NUM_RQSTATS; sidx++)
+			buf[cnt++] = QEDE_RQSTATS_DATA(edev, sidx, qid);
+		for (tc = 0; tc < edev->num_tc; tc++) {
+			for (sidx = 0; sidx < QEDE_NUM_TQSTATS; sidx++)
+				buf[cnt++] = QEDE_TQSTATS_DATA(edev, sidx, qid,
+							       tc);
+		}
+	}
+
 	for (sidx = 0; sidx < QEDE_NUM_STATS; sidx++) {
 		if (IS_VF(edev) && qede_stats_arr[sidx].pf_only)
 			continue;
 		buf[cnt++] = QEDE_STATS_DATA(edev, sidx);
 	}
 
-	for (sidx = 0; sidx < QEDE_NUM_RQSTATS; sidx++) {
-		buf[cnt] = 0;
-		for (qid = 0; qid < edev->num_rss; qid++)
-			buf[cnt] += QEDE_RQSTATS_DATA(edev, sidx, qid);
-		cnt++;
-	}
-
 	mutex_unlock(&edev->qede_lock);
 }
 
@@ -227,7 +265,8 @@ static int qede_get_sset_count(struct net_device *dev, int stringset)
 				if (qede_stats_arr[i].pf_only)
 					num_stats--;
 		}
-		return num_stats + QEDE_NUM_RQSTATS;
+		return num_stats +  edev->num_rss *
+			(QEDE_NUM_RQSTATS + QEDE_NUM_TQSTATS * edev->num_tc);
 	case ETH_SS_PRIV_FLAGS:
 		return QEDE_PRI_FLAG_LEN;
 	case ETH_SS_TEST:

drivers/net/ethernet/qlogic/qede/qede_main.c

@@ -720,6 +720,7 @@ static netdev_tx_t qede_start_xmit(struct sk_buff *skb,
 	if (unlikely(qed_chain_get_elem_left(&txq->tx_pbl)
 		      < (MAX_SKB_FRAGS + 1))) {
 		netif_tx_stop_queue(netdev_txq);
+		txq->stopped_cnt++;
 		DP_VERBOSE(edev, NETIF_MSG_TX_QUEUED,
 			   "Stop queue was called\n");
 		/* paired memory barrier is in qede_tx_int(), we have to keep
@@ -779,6 +780,7 @@ static int qede_tx_int(struct qede_dev *edev, struct qede_tx_queue *txq)
 		bytes_compl += len;
 		pkts_compl++;
 		txq->sw_tx_cons++;
+		txq->xmit_pkts++;
 	}
 
 	netdev_tx_completed_queue(netdev_txq, pkts_compl, bytes_compl);
@@ -1587,6 +1589,8 @@ static int qede_rx_int(struct qede_fastpath *fp, int budget)
 	/* Update producers */
 	qede_update_rx_prod(edev, rxq);
 
+	rxq->rcv_pkts += rx_pkt;
+
 	return rx_pkt;
 }
 
@@ -1694,6 +1698,8 @@ void qede_fill_by_demand_stats(struct qede_dev *edev)
 
 	edev->ops->get_vport_stats(edev->cdev, &stats);
 	edev->stats.no_buff_discards = stats.no_buff_discards;
+	edev->stats.packet_too_big_discard = stats.packet_too_big_discard;
+	edev->stats.ttl0_discard = stats.ttl0_discard;
 	edev->stats.rx_ucast_bytes = stats.rx_ucast_bytes;
 	edev->stats.rx_mcast_bytes = stats.rx_mcast_bytes;
 	edev->stats.rx_bcast_bytes = stats.rx_bcast_bytes;