rtl8211F_led_control

hc

2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc

 kernel/net/bridge/br_arp_nd_proxy.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  *  Handle bridge arp/nd proxy/suppress
3
4
  *
..
..
@@ -6,11 +7,6 @@
6
7
  *
7
8
  *  Authors:
8
9
  *	Roopa Prabhu <roopa@cumulusnetworks.com>
9
- *
10
- *  This program is free software; you can redistribute it and/or
11
- *  modify it under the terms of the GNU General Public License
12
- *  as published by the Free Software Foundation; either version
13
- *  2 of the License, or (at your option) any later version.
14
10
  */
15
11
 
16
12
 #include <linux/kernel.h>
..
..
@@ -21,6 +17,7 @@
21
17
 #include <linux/if_vlan.h>
22
18
 #include <linux/inetdevice.h>
23
19
 #include <net/addrconf.h>
20
+#include <net/ipv6_stubs.h>
24
21
 #if IS_ENABLED(CONFIG_IPV6)
25
22
 #include <net/ip6_checksum.h>
26
23
 #endif
..
..
@@ -39,7 +36,7 @@
39
36
 		}
40
37
 	}
41
38
 
42
-	br->neigh_suppress_enabled = neigh_suppress;
39
+	br_opt_toggle(br, BROPT_NEIGH_SUPPRESS_ENABLED, neigh_suppress);
43
40
 }
44
41
 
45
42
 #if IS_ENABLED(CONFIG_INET)
..
..
@@ -91,9 +88,10 @@
91
88
 	}
92
89
 }
93
90
 
94
-static int br_chk_addr_ip(struct net_device *dev, void *data)
91
+static int br_chk_addr_ip(struct net_device *dev,
92
+			  struct netdev_nested_priv *priv)
95
93
 {
96
-	__be32 ip = *(__be32 *)data;
94
+	__be32 ip = *(__be32 *)priv->data;
97
95
 	struct in_device *in_dev;
98
96
 	__be32 addr = 0;
99
97
 
..
..
@@ -110,11 +108,15 @@
110
108
 
111
109
 static bool br_is_local_ip(struct net_device *dev, __be32 ip)
112
110
 {
113
-	if (br_chk_addr_ip(dev, &ip))
111
+	struct netdev_nested_priv priv = {
112
+		.data = (void *)&ip,
113
+	};
114
+
115
+	if (br_chk_addr_ip(dev, &priv))
114
116
 		return true;
115
117
 
116
118
 	/* check if ip is configured on upper dev */
117
-	if (netdev_walk_all_upper_dev_rcu(dev, br_chk_addr_ip, &ip))
119
+	if (netdev_walk_all_upper_dev_rcu(dev, br_chk_addr_ip, &priv))
118
120
 		return true;
119
121
 
120
122
 	return false;
..
..
@@ -130,7 +132,7 @@
130
132
 	u8 *arpptr, *sha;
131
133
 	__be32 sip, tip;
132
134
 
133
-	BR_INPUT_SKB_CB(skb)->proxyarp_replied = false;
135
+	BR_INPUT_SKB_CB(skb)->proxyarp_replied = 0;
134
136
 
135
137
 	if ((dev->flags & IFF_NOARP) ||
136
138
 	    !pskb_may_pull(skb, arp_hdr_len(dev)))
..
..
@@ -155,14 +157,14 @@
155
157
 	    ipv4_is_multicast(tip))
156
158
 		return;
157
159
 
158
-	if (br->neigh_suppress_enabled) {
160
+	if (br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED)) {
159
161
 		if (p && (p->flags & BR_NEIGH_SUPPRESS))
160
162
 			return;
161
163
 		if (parp->ar_op != htons(ARPOP_RREQUEST) &&
162
164
 		    parp->ar_op != htons(ARPOP_RREPLY) &&
163
165
 		    (ipv4_is_zeronet(sip) || sip == tip)) {
164
166
 			/* prevent flooding to neigh suppress ports */
165
-			BR_INPUT_SKB_CB(skb)->proxyarp_replied = true;
167
+			BR_INPUT_SKB_CB(skb)->proxyarp_replied = 1;
166
168
 			return;
167
169
 		}
168
170
 	}
..
..
@@ -177,11 +179,12 @@
177
179
 			return;
178
180
 	}
179
181
 
180
-	if (br->neigh_suppress_enabled && br_is_local_ip(vlandev, tip)) {
182
+	if (br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED) &&
183
+	    br_is_local_ip(vlandev, tip)) {
181
184
 		/* its our local ip, so don't proxy reply
182
185
 		 * and don't forward to neigh suppress ports
183
186
 		 */
184
-		BR_INPUT_SKB_CB(skb)->proxyarp_replied = true;
187
+		BR_INPUT_SKB_CB(skb)->proxyarp_replied = 1;
185
188
 		return;
186
189
 	}
187
190
 
..
..
@@ -215,8 +218,9 @@
215
218
 			/* If we have replied or as long as we know the
216
219
 			 * mac, indicate to arp replied
217
220
 			 */
218
-			if (replied || br->neigh_suppress_enabled)
219
-				BR_INPUT_SKB_CB(skb)->proxyarp_replied = true;
221
+			if (replied ||
222
+			    br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED))
223
+				BR_INPUT_SKB_CB(skb)->proxyarp_replied = 1;
220
224
 		}
221
225
 
222
226
 		neigh_release(n);
..
..
@@ -364,9 +368,10 @@
364
368
 	}
365
369
 }
366
370
 
367
-static int br_chk_addr_ip6(struct net_device *dev, void *data)
371
+static int br_chk_addr_ip6(struct net_device *dev,
372
+			   struct netdev_nested_priv *priv)
368
373
 {
369
-	struct in6_addr *addr = (struct in6_addr *)data;
374
+	struct in6_addr *addr = (struct in6_addr *)priv->data;
370
375
 
371
376
 	if (ipv6_chk_addr(dev_net(dev), addr, dev, 0))
372
377
 		return 1;
..
..
@@ -377,11 +382,15 @@
377
382
 static bool br_is_local_ip6(struct net_device *dev, struct in6_addr *addr)
378
383
 
379
384
 {
380
-	if (br_chk_addr_ip6(dev, addr))
385
+	struct netdev_nested_priv priv = {
386
+		.data = (void *)addr,
387
+	};
388
+
389
+	if (br_chk_addr_ip6(dev, &priv))
381
390
 		return true;
382
391
 
383
392
 	/* check if ip is configured on upper dev */
384
-	if (netdev_walk_all_upper_dev_rcu(dev, br_chk_addr_ip6, addr))
393
+	if (netdev_walk_all_upper_dev_rcu(dev, br_chk_addr_ip6, &priv))
385
394
 		return true;
386
395
 
387
396
 	return false;
..
..
@@ -396,7 +405,7 @@
396
405
 	struct ipv6hdr *iphdr;
397
406
 	struct neighbour *n;
398
407
 
399
-	BR_INPUT_SKB_CB(skb)->proxyarp_replied = false;
408
+	BR_INPUT_SKB_CB(skb)->proxyarp_replied = 0;
400
409
 
401
410
 	if (p && (p->flags & BR_NEIGH_SUPPRESS))
402
411
 		return;
..
..
@@ -404,7 +413,7 @@
404
413
 	if (msg->icmph.icmp6_type == NDISC_NEIGHBOUR_ADVERTISEMENT &&
405
414
 	    !msg->icmph.icmp6_solicited) {
406
415
 		/* prevent flooding to neigh suppress ports */
407
-		BR_INPUT_SKB_CB(skb)->proxyarp_replied = true;
416
+		BR_INPUT_SKB_CB(skb)->proxyarp_replied = 1;
408
417
 		return;
409
418
 	}
410
419
 
..
..
@@ -417,7 +426,7 @@
417
426
 
418
427
 	if (ipv6_addr_any(saddr) || !ipv6_addr_cmp(saddr, daddr)) {
419
428
 		/* prevent flooding to neigh suppress ports */
420
-		BR_INPUT_SKB_CB(skb)->proxyarp_replied = true;
429
+		BR_INPUT_SKB_CB(skb)->proxyarp_replied = 1;
421
430
 		return;
422
431
 	}
423
432
 
..
..
@@ -435,7 +444,7 @@
435
444
 		/* its our own ip, so don't proxy reply
436
445
 		 * and don't forward to arp suppress ports
437
446
 		 */
438
-		BR_INPUT_SKB_CB(skb)->proxyarp_replied = true;
447
+		BR_INPUT_SKB_CB(skb)->proxyarp_replied = 1;
439
448
 		return;
440
449
 	}
441
450
 
..
..
@@ -466,8 +475,9 @@
466
475
 			 * mac, indicate to NEIGH_SUPPRESS ports that we
467
476
 			 * have replied
468
477
 			 */
469
-			if (replied || br->neigh_suppress_enabled)
470
-				BR_INPUT_SKB_CB(skb)->proxyarp_replied = true;
478
+			if (replied ||
479
+			    br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED))
480
+				BR_INPUT_SKB_CB(skb)->proxyarp_replied = 1;
471
481
 		}
472
482
 		neigh_release(n);
473
483
 	}