forked from ~ljy/RK356X_SDK_RELEASE
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hc
2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc 
 kernel/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
....@@ -70,7 +70,6 @@
7070 #include <net/tcp.h>
7171 #include <asm/byteorder.h>
7272 #include <asm/processor.h>
73
-#include <net/busy_poll.h>
7473 
7574 #include "myri10ge_mcp.h"
7675 #include "myri10ge_mcp_gen_header.h"
....@@ -1175,18 +1174,6 @@
11751174 	mb();
11761175 }
11771176 
1178
-static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, __wsum hw_csum)
1179
-{
1180
-	struct vlan_hdr *vh = (struct vlan_hdr *)(skb->data);
1181
-
1182
-	if ((skb->protocol == htons(ETH_P_8021Q)) &&
1183
-	    (vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) ||
1184
-	     vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) {
1185
-		skb->csum = hw_csum;
1186
-		skb->ip_summed = CHECKSUM_COMPLETE;
1187
-	}
1188
-}
1189
-
11901177 static void
11911178 myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
11921179 			int bytes, int watchdog)
....@@ -1287,7 +1274,7 @@
12871274 {
12881275 	u8 *va;
12891276 	struct vlan_ethhdr *veh;
1290
-	struct skb_frag_struct *frag;
1277
+	skb_frag_t *frag;
12911278 	__wsum vsum;
12921279 
12931280 	va = addr;
....@@ -1307,8 +1294,8 @@
13071294 		skb->len -= VLAN_HLEN;
13081295 		skb->data_len -= VLAN_HLEN;
13091296 		frag = skb_shinfo(skb)->frags;
1310
-		frag->page_offset += VLAN_HLEN;
1311
-		skb_frag_size_set(frag, skb_frag_size(frag) - VLAN_HLEN);
1297
+		skb_frag_off_add(frag, VLAN_HLEN);
1298
+		skb_frag_size_sub(frag, VLAN_HLEN);
13121299 	}
13131300 }
13141301 
....@@ -1319,7 +1306,7 @@
13191306 {
13201307 	struct myri10ge_priv *mgp = ss->mgp;
13211308 	struct sk_buff *skb;
1322
-	struct skb_frag_struct *rx_frags;
1309
+	skb_frag_t *rx_frags;
13231310 	struct myri10ge_rx_buf *rx;
13241311 	int i, idx, remainder, bytes;
13251312 	struct pci_dev *pdev = mgp->pdev;
....@@ -1352,7 +1339,7 @@
13521339 		return 0;
13531340 	}
13541341 	rx_frags = skb_shinfo(skb)->frags;
1355
-	/* Fill skb_frag_struct(s) with data from our receive */
1342
+	/* Fill skb_frag_t(s) with data from our receive */
13561343 	for (i = 0, remainder = len; remainder > 0; i++) {
13571344 		myri10ge_unmap_rx_page(pdev, &rx->info[idx], bytes);
13581345 		skb_fill_page_desc(skb, i, rx->info[idx].page,
....@@ -1365,8 +1352,8 @@
13651352 	}
13661353 
13671354 	/* remove padding */
1368
-	rx_frags[0].page_offset += MXGEFW_PAD;
1369
-	rx_frags[0].size -= MXGEFW_PAD;
1355
+	skb_frag_off_add(&rx_frags[0], MXGEFW_PAD);
1356
+	skb_frag_size_sub(&rx_frags[0], MXGEFW_PAD);
13701357 	len -= MXGEFW_PAD;
13711358 
13721359 	skb->len = len;
....@@ -1409,7 +1396,7 @@
14091396 		if (skb) {
14101397 			ss->stats.tx_bytes += skb->len;
14111398 			ss->stats.tx_packets++;
1412
-			dev_kfree_skb_irq(skb);
1399
+			dev_consume_skb_irq(skb);
14131400 			if (len)
14141401 				pci_unmap_single(pdev,
14151402 						 dma_unmap_addr(&tx->info[idx],
....@@ -1440,7 +1427,6 @@
14401427 			tx->queue_active = 0;
14411428 			put_be32(htonl(1), tx->send_stop);
14421429 			mb();
1443
-			mmiowb();
14441430 		}
14451431 		__netif_tx_unlock(dev_queue);
14461432 	}
....@@ -1922,6 +1908,7 @@
19221908 }
19231909 
19241910 static const struct ethtool_ops myri10ge_ethtool_ops = {
1911
+	.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS,
19251912 	.get_drvinfo = myri10ge_get_drvinfo,
19261913 	.get_coalesce = myri10ge_get_coalesce,
19271914 	.set_coalesce = myri10ge_set_coalesce,
....@@ -2630,7 +2617,7 @@
26302617 	struct myri10ge_slice_state *ss;
26312618 	struct mcp_kreq_ether_send *req;
26322619 	struct myri10ge_tx_buf *tx;
2633
-	struct skb_frag_struct *frag;
2620
+	skb_frag_t *frag;
26342621 	struct netdev_queue *netdev_queue;
26352622 	dma_addr_t bus;
26362623 	u32 low;
....@@ -2862,7 +2849,6 @@
28622849 		tx->queue_active = 1;
28632850 		put_be32(htonl(1), tx->send_go);
28642851 		mb();
2865
-		mmiowb();
28662852 	}
28672853 	tx->pkt_start++;
28682854 	if ((avail - count) < MXGEFW_MAX_SEND_DESC) {
....@@ -2895,7 +2881,7 @@
28952881 static netdev_tx_t myri10ge_sw_tso(struct sk_buff *skb,
28962882 					 struct net_device *dev)
28972883 {
2898
-	struct sk_buff *segs, *curr;
2884
+	struct sk_buff *segs, *curr, *next;
28992885 	struct myri10ge_priv *mgp = netdev_priv(dev);
29002886 	struct myri10ge_slice_state *ss;
29012887 	netdev_tx_t status;
....@@ -2904,18 +2890,14 @@
29042890 	if (IS_ERR(segs))
29052891 		goto drop;
29062892 
2907
-	while (segs) {
2908
-		curr = segs;
2909
-		segs = segs->next;
2910
-		curr->next = NULL;
2893
+	skb_list_walk_safe(segs, curr, next) {
2894
+		skb_mark_not_on_list(curr);
29112895 		status = myri10ge_xmit(curr, dev);
29122896 		if (status != 0) {
29132897 			dev_kfree_skb_any(curr);
2914
-			if (segs != NULL) {
2915
-				curr = segs;
2916
-				segs = segs->next;
2898
+			skb_list_walk_safe(next, curr, next) {
29172899 				curr->next = NULL;
2918
-				dev_kfree_skb_any(segs);
2900
+				dev_kfree_skb_any(curr);
29192901 			}
29202902 			goto drop;
29212903 		}
....@@ -3040,7 +3022,6 @@
30403022 static int myri10ge_change_mtu(struct net_device *dev, int new_mtu)
30413023 {
30423024 	struct myri10ge_priv *mgp = netdev_priv(dev);
3043
-	int error = 0;
30443025 
30453026 	netdev_info(dev, "changing mtu from %d to %d\n", dev->mtu, new_mtu);
30463027 	if (mgp->running) {
....@@ -3052,7 +3033,7 @@
30523033 	} else
30533034 		dev->mtu = new_mtu;
30543035 
3055
-	return error;
3036
+	return 0;
30563037 }
30573038 
30583039 /*
....@@ -3274,13 +3255,12 @@
32743255 	}
32753256 }
32763257 
3277
-#ifdef CONFIG_PM
3278
-static int myri10ge_suspend(struct pci_dev *pdev, pm_message_t state)
3258
+static int __maybe_unused myri10ge_suspend(struct device *dev)
32793259 {
32803260 	struct myri10ge_priv *mgp;
32813261 	struct net_device *netdev;
32823262 
3283
-	mgp = pci_get_drvdata(pdev);
3263
+	mgp = dev_get_drvdata(dev);
32843264 	if (mgp == NULL)
32853265 		return -EINVAL;
32863266 	netdev = mgp->dev;
....@@ -3293,14 +3273,13 @@
32933273 		rtnl_unlock();
32943274 	}
32953275 	myri10ge_dummy_rdma(mgp, 0);
3296
-	pci_save_state(pdev);
3297
-	pci_disable_device(pdev);
32983276 
3299
-	return pci_set_power_state(pdev, pci_choose_state(pdev, state));
3277
+	return 0;
33003278 }
33013279 
3302
-static int myri10ge_resume(struct pci_dev *pdev)
3280
+static int __maybe_unused myri10ge_resume(struct device *dev)
33033281 {
3282
+	struct pci_dev *pdev = to_pci_dev(dev);
33043283 	struct myri10ge_priv *mgp;
33053284 	struct net_device *netdev;
33063285 	int status;
....@@ -3310,7 +3289,6 @@
33103289 	if (mgp == NULL)
33113290 		return -EINVAL;
33123291 	netdev = mgp->dev;
3313
-	pci_set_power_state(pdev, PCI_D0);	/* zeros conf space as a side effect */
33143292 	msleep(5);		/* give card time to respond */
33153293 	pci_read_config_word(mgp->pdev, PCI_VENDOR_ID, &vendor);
33163294 	if (vendor == 0xffff) {
....@@ -3318,22 +3296,8 @@
33183296 		return -EIO;
33193297 	}
33203298 
3321
-	pci_restore_state(pdev);
3322
-
3323
-	status = pci_enable_device(pdev);
3324
-	if (status) {
3325
-		dev_err(&pdev->dev, "failed to enable device\n");
3326
-		return status;
3327
-	}
3328
-
3329
-	pci_set_master(pdev);
3330
-
33313299 	myri10ge_reset(mgp);
33323300 	myri10ge_dummy_rdma(mgp, 1);
3333
-
3334
-	/* Save configuration space to be restored if the
3335
-	 * nic resets due to a parity error */
3336
-	pci_save_state(pdev);
33373301 
33383302 	if (netif_running(netdev)) {
33393303 		rtnl_lock();
....@@ -3348,11 +3312,8 @@
33483312 	return 0;
33493313 
33503314 abort_with_enabled:
3351
-	pci_disable_device(pdev);
33523315 	return -EIO;
3353
-
33543316 }
3355
-#endif				/* CONFIG_PM */
33563317 
33573318 static u32 myri10ge_read_reboot(struct myri10ge_priv *mgp)
33583319 {
....@@ -3580,11 +3541,10 @@
35803541 					  ss->fw_stats, ss->fw_stats_bus);
35813542 			ss->fw_stats = NULL;
35823543 		}
3583
-		napi_hash_del(&ss->napi);
3584
-		netif_napi_del(&ss->napi);
3544
+		__netif_napi_del(&ss->napi);
35853545 	}
35863546 	/* Wait till napi structs are no longer used, and then free ss. */
3587
-	synchronize_rcu();
3547
+	synchronize_net();
35883548 	kfree(mgp->ss);
35893549 	mgp->ss = NULL;
35903550 }
....@@ -3605,9 +3565,9 @@
36053565 	for (i = 0; i < mgp->num_slices; i++) {
36063566 		ss = &mgp->ss[i];
36073567 		bytes = mgp->max_intr_slots * sizeof(*ss->rx_done.entry);
3608
-		ss->rx_done.entry = dma_zalloc_coherent(&pdev->dev, bytes,
3609
-							&ss->rx_done.bus,
3610
-							GFP_KERNEL);
3568
+		ss->rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
3569
+						       &ss->rx_done.bus,
3570
+						       GFP_KERNEL);
36113571 		if (ss->rx_done.entry == NULL)
36123572 			goto abort;
36133573 		bytes = sizeof(*ss->fw_stats);
....@@ -3960,6 +3920,7 @@
39603920 	myri10ge_free_slices(mgp);
39613921 
39623922 abort_with_firmware:
3923
+	kfree(mgp->msix_vectors);
39633924 	myri10ge_dummy_rdma(mgp, 0);
39643925 
39653926 abort_with_ioremap:
....@@ -4035,15 +3996,14 @@
40353996 
40363997 MODULE_DEVICE_TABLE(pci, myri10ge_pci_tbl);
40373998 
3999
+static SIMPLE_DEV_PM_OPS(myri10ge_pm_ops, myri10ge_suspend, myri10ge_resume);
4000
+
40384001 static struct pci_driver myri10ge_driver = {
40394002 	.name = "myri10ge",
40404003 	.probe = myri10ge_probe,
40414004 	.remove = myri10ge_remove,
40424005 	.id_table = myri10ge_pci_tbl,
4043
-#ifdef CONFIG_PM
4044
-	.suspend = myri10ge_suspend,
4045
-	.resume = myri10ge_resume,
4046
-#endif
4006
+	.driver.pm = &myri10ge_pm_ops,
40474007 };
40484008 
40494009 #ifdef CONFIG_MYRI10GE_DCA