forked from ~ljy/RK356X_SDK_RELEASE
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hc
2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc 
 kernel/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
....@@ -10,6 +10,12 @@
1010 
1111 static struct dentry *i40e_dbg_root;
1212 
13
+enum ring_type {
14
+	RING_TYPE_RX,
15
+	RING_TYPE_TX,
16
+	RING_TYPE_XDP
17
+};
18
+
1319 /**
1420  * i40e_dbg_find_vsi - searches for the vsi with the given seid
1521  * @pf: the PF structure to search for the vsi
....@@ -132,8 +138,6 @@
132138 		dev_info(&pf->pdev->dev, "        vlan_features = 0x%08lx\n",
133139 			 (unsigned long int)nd->vlan_features);
134140 	}
135
-	dev_info(&pf->pdev->dev, "    active_vlans is %s\n",
136
-		 vsi->active_vlans ? "<valid>" : "<null>");
137141 	dev_info(&pf->pdev->dev,
138142 		 "    flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
139143 		 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
....@@ -321,6 +325,47 @@
321325 			 i, tx_ring->itr_setting,
322326 			 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
323327 	}
328
+	if (i40e_enabled_xdp_vsi(vsi)) {
329
+		for (i = 0; i < vsi->num_queue_pairs; i++) {
330
+			struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]);
331
+
332
+			if (!xdp_ring)
333
+				continue;
334
+
335
+			dev_info(&pf->pdev->dev,
336
+				 "    xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
337
+				 i, *xdp_ring->state,
338
+				 xdp_ring->queue_index,
339
+				 xdp_ring->reg_idx);
340
+			dev_info(&pf->pdev->dev,
341
+				 "    xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
342
+				 i,
343
+				 xdp_ring->next_to_use,
344
+				 xdp_ring->next_to_clean,
345
+				 xdp_ring->ring_active);
346
+			dev_info(&pf->pdev->dev,
347
+				 "    xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
348
+				 i, xdp_ring->stats.packets,
349
+				 xdp_ring->stats.bytes,
350
+				 xdp_ring->tx_stats.restart_queue);
351
+			dev_info(&pf->pdev->dev,
352
+				 "    xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
353
+				 i,
354
+				 xdp_ring->tx_stats.tx_busy,
355
+				 xdp_ring->tx_stats.tx_done_old);
356
+			dev_info(&pf->pdev->dev,
357
+				 "    xdp_rings[%i]: size = %i\n",
358
+				 i, xdp_ring->size);
359
+			dev_info(&pf->pdev->dev,
360
+				 "    xdp_rings[%i]: DCB tc = %d\n",
361
+				 i, xdp_ring->dcb_tc);
362
+			dev_info(&pf->pdev->dev,
363
+				 "    xdp_rings[%i]: itr_setting = %d (%s)\n",
364
+				 i, xdp_ring->itr_setting,
365
+				 ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
366
+				 "dynamic" : "fixed");
367
+		}
368
+	}
324369 	rcu_read_unlock();
325370 	dev_info(&pf->pdev->dev,
326371 		 "    work_limit = %d\n",
....@@ -335,8 +380,9 @@
335380 		 "    seid = %d, id = %d, uplink_seid = %d\n",
336381 		 vsi->seid, vsi->id, vsi->uplink_seid);
337382 	dev_info(&pf->pdev->dev,
338
-		 "    base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
339
-		 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
383
+		 "    base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
384
+		 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
385
+		 vsi->num_rx_desc);
340386 	dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
341387 	if (vsi->type == I40E_VSI_SRIOV)
342388 		dev_info(&pf->pdev->dev, "    VF ID = %i\n", vsi->vf_id);
....@@ -490,11 +536,12 @@
490536  * @ring_id: ring id entered by user
491537  * @desc_n: descriptor number entered by user
492538  * @pf: the i40e_pf created in command write
493
- * @is_rx_ring: true if rx, false if tx
539
+ * @type: enum describing whether ring is RX, TX or XDP
494540  **/
495541 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
496
-			       struct i40e_pf *pf, bool is_rx_ring)
542
+			       struct i40e_pf *pf, enum ring_type type)
497543 {
544
+	bool is_rx_ring = type == RING_TYPE_RX;
498545 	struct i40e_tx_desc *txd;
499546 	union i40e_rx_desc *rxd;
500547 	struct i40e_ring *ring;
....@@ -504,6 +551,18 @@
504551 	vsi = i40e_dbg_find_vsi(pf, vsi_seid);
505552 	if (!vsi) {
506553 		dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
554
+		return;
555
+	}
556
+	if (vsi->type != I40E_VSI_MAIN &&
557
+	    vsi->type != I40E_VSI_FDIR &&
558
+	    vsi->type != I40E_VSI_VMDQ2) {
559
+		dev_info(&pf->pdev->dev,
560
+			 "vsi %d type %d descriptor rings not available\n",
561
+			 vsi_seid, vsi->type);
562
+		return;
563
+	}
564
+	if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
565
+		dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
507566 		return;
508567 	}
509568 	if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
....@@ -517,15 +576,35 @@
517576 		return;
518577 	}
519578 
520
-	ring = kmemdup(is_rx_ring
521
-		       ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
522
-		       sizeof(*ring), GFP_KERNEL);
579
+	switch (type) {
580
+	case RING_TYPE_RX:
581
+		ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
582
+		break;
583
+	case RING_TYPE_TX:
584
+		ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
585
+		break;
586
+	case RING_TYPE_XDP:
587
+		ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
588
+		break;
589
+	default:
590
+		ring = NULL;
591
+		break;
592
+	}
523593 	if (!ring)
524594 		return;
525595 
526596 	if (cnt == 2) {
527
-		dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
528
-			 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
597
+		switch (type) {
598
+		case RING_TYPE_RX:
599
+			dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
600
+			break;
601
+		case RING_TYPE_TX:
602
+			dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
603
+			break;
604
+		case RING_TYPE_XDP:
605
+			dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
606
+			break;
607
+		}
529608 		for (i = 0; i < ring->count; i++) {
530609 			if (!is_rx_ring) {
531610 				txd = I40E_TX_DESC(ring, i);
....@@ -536,10 +615,9 @@
536615 			} else {
537616 				rxd = I40E_RX_DESC(ring, i);
538617 				dev_info(&pf->pdev->dev,
539
-					 "   d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
618
+					 "   d[%03x] = 0x%016llx 0x%016llx\n",
540619 					 i, rxd->read.pkt_addr,
541
-					 rxd->read.hdr_addr,
542
-					 rxd->read.rsvd1, rxd->read.rsvd2);
620
+					 rxd->read.hdr_addr);
543621 			}
544622 		}
545623 	} else if (cnt == 3) {
....@@ -557,13 +635,12 @@
557635 		} else {
558636 			rxd = I40E_RX_DESC(ring, desc_n);
559637 			dev_info(&pf->pdev->dev,
560
-				 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
638
+				 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
561639 				 vsi_seid, ring_id, desc_n,
562
-				 rxd->read.pkt_addr, rxd->read.hdr_addr,
563
-				 rxd->read.rsvd1, rxd->read.rsvd2);
640
+				 rxd->read.pkt_addr, rxd->read.hdr_addr);
564641 		}
565642 	} else {
566
-		dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
643
+		dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
567644 	}
568645 
569646 out:
....@@ -665,10 +742,8 @@
665742 		vsi = pf->vsi[vf->lan_vsi_idx];
666743 		dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
667744 			 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
668
-		dev_info(&pf->pdev->dev, "       num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
669
-			 vf->num_mdd_events,
670
-			 vf->num_invalid_msgs,
671
-			 vf->num_valid_msgs);
745
+		dev_info(&pf->pdev->dev, "       num MDD=%lld\n",
746
+			 vf->num_mdd_events);
672747 	} else {
673748 		dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
674749 	}
....@@ -689,7 +764,6 @@
689764 			i40e_dbg_dump_vf(pf, i);
690765 }
691766 
692
-#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
693767 /**
694768  * i40e_dbg_command_write - write into command datum
695769  * @filp: the opened file
....@@ -921,13 +995,19 @@
921995 				cnt = sscanf(&cmd_buf[12], "%i %i %i",
922996 					     &vsi_seid, &ring_id, &desc_n);
923997 				i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
924
-						   desc_n, pf, true);
998
+						   desc_n, pf, RING_TYPE_RX);
925999 			} else if (strncmp(&cmd_buf[10], "tx", 2)
9261000 					== 0) {
9271001 				cnt = sscanf(&cmd_buf[12], "%i %i %i",
9281002 					     &vsi_seid, &ring_id, &desc_n);
9291003 				i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
930
-						   desc_n, pf, false);
1004
+						   desc_n, pf, RING_TYPE_TX);
1005
+			} else if (strncmp(&cmd_buf[10], "xdp", 3)
1006
+					== 0) {
1007
+				cnt = sscanf(&cmd_buf[13], "%i %i %i",
1008
+					     &vsi_seid, &ring_id, &desc_n);
1009
+				i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1010
+						   desc_n, pf, RING_TYPE_XDP);
9311011 			} else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
9321012 				i40e_dbg_dump_aq_desc(pf);
9331013 			} else {
....@@ -935,6 +1015,8 @@
9351015 					 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
9361016 				dev_info(&pf->pdev->dev,
9371017 					 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1018
+				dev_info(&pf->pdev->dev,
1019
+					 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
9381020 				dev_info(&pf->pdev->dev, "dump desc aq\n");
9391021 			}
9401022 		} else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
....@@ -1105,7 +1187,7 @@
11051187 			buff = NULL;
11061188 		} else {
11071189 			dev_info(&pf->pdev->dev,
1108
-				 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1190
+				 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n");
11091191 			dev_info(&pf->pdev->dev, "dump switch\n");
11101192 			dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
11111193 			dev_info(&pf->pdev->dev, "dump reset stats\n");
....@@ -1125,10 +1207,6 @@
11251207 	} else if (strncmp(cmd_buf, "globr", 5) == 0) {
11261208 		dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
11271209 		i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1128
-
1129
-	} else if (strncmp(cmd_buf, "empr", 4) == 0) {
1130
-		dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1131
-		i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
11321210 
11331211 	} else if (strncmp(cmd_buf, "read", 4) == 0) {
11341212 		u32 address;
....@@ -1323,7 +1401,7 @@
13231401 		if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
13241402 			int ret;
13251403 
1326
-			ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1404
+			ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
13271405 			if (ret) {
13281406 				dev_info(&pf->pdev->dev,
13291407 					 "Stop LLDP AQ command failed =0x%x\n",
....@@ -1332,7 +1410,7 @@
13321410 			}
13331411 			ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
13341412 						pf->hw.mac.addr,
1335
-						I40E_ETH_P_LLDP, 0,
1413
+						ETH_P_LLDP, 0,
13361414 						pf->vsi[pf->lan_vsi]->seid,
13371415 						0, true, NULL, NULL);
13381416 			if (ret) {
....@@ -1350,7 +1428,7 @@
13501428 
13511429 			ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
13521430 						pf->hw.mac.addr,
1353
-						I40E_ETH_P_LLDP, 0,
1431
+						ETH_P_LLDP, 0,
13541432 						pf->vsi[pf->lan_vsi]->seid,
13551433 						0, false, NULL, NULL);
13561434 			if (ret) {
....@@ -1360,7 +1438,7 @@
13601438 				/* Continue and start FW LLDP anyways */
13611439 			}
13621440 
1363
-			ret = i40e_aq_start_lldp(&pf->hw, NULL);
1441
+			ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
13641442 			if (ret) {
13651443 				dev_info(&pf->pdev->dev,
13661444 					 "Start LLDP AQ command failed =0x%x\n",
....@@ -1525,6 +1603,7 @@
15251603 		dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
15261604 		dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
15271605 		dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1606
+		dev_info(&pf->pdev->dev, "  dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
15281607 		dev_info(&pf->pdev->dev, "  dump desc aq\n");
15291608 		dev_info(&pf->pdev->dev, "  dump reset stats\n");
15301609 		dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
....@@ -1644,30 +1723,7 @@
16441723 		count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
16451724 	}
16461725 
1647
-	if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1648
-		cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1649
-		if (cnt != 1) {
1650
-			dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1651
-			goto netdev_ops_write_done;
1652
-		}
1653
-		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1654
-		if (!vsi) {
1655
-			dev_info(&pf->pdev->dev,
1656
-				 "tx_timeout: VSI %d not found\n", vsi_seid);
1657
-		} else if (!vsi->netdev) {
1658
-			dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1659
-				 vsi_seid);
1660
-		} else if (test_bit(__I40E_VSI_DOWN, vsi->state)) {
1661
-			dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1662
-				 vsi_seid);
1663
-		} else if (rtnl_trylock()) {
1664
-			vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1665
-			rtnl_unlock();
1666
-			dev_info(&pf->pdev->dev, "tx_timeout called\n");
1667
-		} else {
1668
-			dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1669
-		}
1670
-	} else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1726
+	if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
16711727 		int mtu;
16721728 
16731729 		cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
....@@ -1735,7 +1791,6 @@
17351791 		dev_info(&pf->pdev->dev, "unknown command '%s'\n",
17361792 			 i40e_dbg_netdev_ops_buf);
17371793 		dev_info(&pf->pdev->dev, "available commands\n");
1738
-		dev_info(&pf->pdev->dev, "  tx_timeout <vsi_seid>\n");
17391794 		dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
17401795 		dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
17411796 		dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
....@@ -1757,29 +1812,15 @@
17571812  **/
17581813 void i40e_dbg_pf_init(struct i40e_pf *pf)
17591814 {
1760
-	struct dentry *pfile;
17611815 	const char *name = pci_name(pf->pdev);
1762
-	const struct device *dev = &pf->pdev->dev;
17631816 
17641817 	pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1765
-	if (!pf->i40e_dbg_pf)
1766
-		return;
17671818 
1768
-	pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1769
-				    &i40e_dbg_command_fops);
1770
-	if (!pfile)
1771
-		goto create_failed;
1819
+	debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1820
+			    &i40e_dbg_command_fops);
17721821 
1773
-	pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1774
-				    &i40e_dbg_netdev_ops_fops);
1775
-	if (!pfile)
1776
-		goto create_failed;
1777
-
1778
-	return;
1779
-
1780
-create_failed:
1781
-	dev_info(dev, "debugfs dir/file for %s failed\n", name);
1782
-	debugfs_remove_recursive(pf->i40e_dbg_pf);
1822
+	debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1823
+			    &i40e_dbg_netdev_ops_fops);
17831824 }
17841825 
17851826 /**
....@@ -1798,7 +1839,7 @@
17981839 void i40e_dbg_init(void)
17991840 {
18001841 	i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1801
-	if (!i40e_dbg_root)
1842
+	if (IS_ERR(i40e_dbg_root))
18021843 		pr_info("init of debugfs failed\n");
18031844 }
18041845