add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/net/sunrpc/svcauth_unix.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 #include <linux/types.h>
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3
 #include <linux/sched.h>
3
4
 #include <linux/module.h>
..
..
@@ -37,12 +38,18 @@
37
38
 extern struct auth_ops svcauth_null;
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39
 extern struct auth_ops svcauth_unix;
39
40
 
40
-static void svcauth_unix_domain_release(struct auth_domain *dom)
41
+static void svcauth_unix_domain_release_rcu(struct rcu_head *head)
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42
 {
43
+	struct auth_domain *dom = container_of(head, struct auth_domain, rcu_head);
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 	struct unix_domain *ud = container_of(dom, struct unix_domain, h);
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45
 
44
46
 	kfree(dom->name);
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47
 	kfree(ud);
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+}
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+
50
+static void svcauth_unix_domain_release(struct auth_domain *dom)
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+{
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+	call_rcu(&dom->rcu_head, svcauth_unix_domain_release_rcu);
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53
 }
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54
 
48
55
 struct auth_domain *unix_domain_find(char *name)
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..
@@ -50,7 +57,7 @@
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 	struct auth_domain *rv;
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 	struct unix_domain *new = NULL;
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59
 
53
-	rv = auth_domain_lookup(name, NULL);
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+	rv = auth_domain_find(name);
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61
 	while(1) {
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62
 		if (rv) {
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63
 			if (new && rv != &new->h)
..
..
@@ -91,6 +98,7 @@
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 	char			m_class[8]; /* e.g. "nfsd" */
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 	struct in6_addr		m_addr;
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 	struct unix_domain	*m_client;
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+	struct rcu_head		m_rcu;
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102
 };
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103
 
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 static void ip_map_put(struct kref *kref)
..
..
@@ -101,7 +109,7 @@
101
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 	if (test_bit(CACHE_VALID, &item->flags) &&
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110
 	    !test_bit(CACHE_NEGATIVE, &item->flags))
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111
 		auth_domain_put(&im->m_client->h);
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-	kfree(im);
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+	kfree_rcu(im, m_rcu);
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113
 }
106
114
 
107
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 static inline int hash_ip6(const struct in6_addr *ip)
..
..
@@ -140,6 +148,11 @@
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 		return NULL;
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149
 }
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150
 
151
+static int ip_map_upcall(struct cache_detail *cd, struct cache_head *h)
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+{
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+	return sunrpc_cache_pipe_upcall(cd, h);
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+}
155
+
143
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 static void ip_map_request(struct cache_detail *cd,
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 				  struct cache_head *h,
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158
 				  char **bpp, int *blen)
..
..
@@ -158,7 +171,7 @@
158
171
 }
159
172
 
160
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 static struct ip_map *__ip_map_lookup(struct cache_detail *cd, char *class, struct in6_addr *addr);
161
-static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm, struct unix_domain *udom, time_t expiry);
174
+static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm, struct unix_domain *udom, time64_t expiry);
162
175
 
163
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 static int ip_map_parse(struct cache_detail *cd,
164
177
 			  char *mesg, int mlen)
..
..
@@ -179,7 +192,7 @@
179
192
 
180
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 	struct ip_map *ipmp;
181
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 	struct auth_domain *dom;
182
-	time_t expiry;
195
+	time64_t expiry;
183
196
 
184
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 	if (mesg[mlen-1] != '\n')
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 		return -EINVAL;
..
..
@@ -280,9 +293,9 @@
280
293
 
281
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 	strcpy(ip.m_class, class);
282
295
 	ip.m_addr = *addr;
283
-	ch = sunrpc_cache_lookup(cd, &ip.h,
284
-				 hash_str(class, IP_HASHBITS) ^
285
-				 hash_ip6(addr));
296
+	ch = sunrpc_cache_lookup_rcu(cd, &ip.h,
297
+				     hash_str(class, IP_HASHBITS) ^
298
+				     hash_ip6(addr));
286
299
 
287
300
 	if (ch)
288
301
 		return container_of(ch, struct ip_map, h);
..
..
@@ -300,7 +313,7 @@
300
313
 }
301
314
 
302
315
 static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm,
303
-		struct unix_domain *udom, time_t expiry)
316
+		struct unix_domain *udom, time64_t expiry)
304
317
 {
305
318
 	struct ip_map ip;
306
319
 	struct cache_head *ch;
..
..
@@ -317,15 +330,6 @@
317
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 		return -ENOMEM;
318
331
 	cache_put(ch, cd);
319
332
 	return 0;
320
-}
321
-
322
-static inline int ip_map_update(struct net *net, struct ip_map *ipm,
323
-		struct unix_domain *udom, time_t expiry)
324
-{
325
-	struct sunrpc_net *sn;
326
-
327
-	sn = net_generic(net, sunrpc_net_id);
328
-	return __ip_map_update(sn->ip_map_cache, ipm, udom, expiry);
329
333
 }
330
334
 
331
335
 void svcauth_unix_purge(struct net *net)
..
..
@@ -412,6 +416,7 @@
412
416
 	struct cache_head	h;
413
417
 	kuid_t			uid;
414
418
 	struct group_info	*gi;
419
+	struct rcu_head		rcu;
415
420
 };
416
421
 
417
422
 static int unix_gid_hash(kuid_t uid)
..
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@@ -419,14 +424,23 @@
419
424
 	return hash_long(from_kuid(&init_user_ns, uid), GID_HASHBITS);
420
425
 }
421
426
 
422
-static void unix_gid_put(struct kref *kref)
427
+static void unix_gid_free(struct rcu_head *rcu)
423
428
 {
424
-	struct cache_head *item = container_of(kref, struct cache_head, ref);
425
-	struct unix_gid *ug = container_of(item, struct unix_gid, h);
429
+	struct unix_gid *ug = container_of(rcu, struct unix_gid, rcu);
430
+	struct cache_head *item = &ug->h;
431
+
426
432
 	if (test_bit(CACHE_VALID, &item->flags) &&
427
433
 	    !test_bit(CACHE_NEGATIVE, &item->flags))
428
434
 		put_group_info(ug->gi);
429
435
 	kfree(ug);
436
+}
437
+
438
+static void unix_gid_put(struct kref *kref)
439
+{
440
+	struct cache_head *item = container_of(kref, struct cache_head, ref);
441
+	struct unix_gid *ug = container_of(item, struct unix_gid, h);
442
+
443
+	call_rcu(&ug->rcu, unix_gid_free);
430
444
 }
431
445
 
432
446
 static int unix_gid_match(struct cache_head *corig, struct cache_head *cnew)
..
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@@ -458,6 +472,11 @@
458
472
 		return NULL;
459
473
 }
460
474
 
475
+static int unix_gid_upcall(struct cache_detail *cd, struct cache_head *h)
476
+{
477
+	return sunrpc_cache_pipe_upcall_timeout(cd, h);
478
+}
479
+
461
480
 static void unix_gid_request(struct cache_detail *cd,
462
481
 			     struct cache_head *h,
463
482
 			     char **bpp, int *blen)
..
..
@@ -482,7 +501,7 @@
482
501
 	int rv;
483
502
 	int i;
484
503
 	int err;
485
-	time_t expiry;
504
+	time64_t expiry;
486
505
 	struct unix_gid ug, *ugp;
487
506
 
488
507
 	if (mesg[mlen - 1] != '\n')
..
..
@@ -492,7 +511,7 @@
492
511
 	rv = get_int(&mesg, &id);
493
512
 	if (rv)
494
513
 		return -EINVAL;
495
-	uid = make_kuid(&init_user_ns, id);
514
+	uid = make_kuid(current_user_ns(), id);
496
515
 	ug.uid = uid;
497
516
 
498
517
 	expiry = get_expiry(&mesg);
..
..
@@ -514,7 +533,7 @@
514
533
 		err = -EINVAL;
515
534
 		if (rv)
516
535
 			goto out;
517
-		kgid = make_kgid(&init_user_ns, gid);
536
+		kgid = make_kgid(current_user_ns(), gid);
518
537
 		if (!gid_valid(kgid))
519
538
 			goto out;
520
539
 		ug.gi->gid[i] = kgid;
..
..
@@ -547,7 +566,7 @@
547
566
 			 struct cache_detail *cd,
548
567
 			 struct cache_head *h)
549
568
 {
550
-	struct user_namespace *user_ns = &init_user_ns;
569
+	struct user_namespace *user_ns = m->file->f_cred->user_ns;
551
570
 	struct unix_gid *ug;
552
571
 	int i;
553
572
 	int glen;
..
..
@@ -575,6 +594,7 @@
575
594
 	.hash_size	= GID_HASHMAX,
576
595
 	.name		= "auth.unix.gid",
577
596
 	.cache_put	= unix_gid_put,
597
+	.cache_upcall	= unix_gid_upcall,
578
598
 	.cache_request	= unix_gid_request,
579
599
 	.cache_parse	= unix_gid_parse,
580
600
 	.cache_show	= unix_gid_show,
..
..
@@ -619,7 +639,7 @@
619
639
 	struct cache_head *ch;
620
640
 
621
641
 	ug.uid = uid;
622
-	ch = sunrpc_cache_lookup(cd, &ug.h, unix_gid_hash(uid));
642
+	ch = sunrpc_cache_lookup_rcu(cd, &ug.h, unix_gid_hash(uid));
623
643
 	if (ch)
624
644
 		return container_of(ch, struct unix_gid, h);
625
645
 	else
..
..
@@ -788,6 +808,7 @@
788
808
 	struct kvec	*argv = &rqstp->rq_arg.head[0];
789
809
 	struct kvec	*resv = &rqstp->rq_res.head[0];
790
810
 	struct svc_cred	*cred = &rqstp->rq_cred;
811
+	struct user_namespace *userns;
791
812
 	u32		slen, i;
792
813
 	int		len   = argv->iov_len;
793
814
 
..
..
@@ -808,8 +829,10 @@
808
829
 	 * (export-specific) anonymous id by nfsd_setuser.
809
830
 	 * Supplementary gid's will be left alone.
810
831
 	 */
811
-	cred->cr_uid = make_kuid(&init_user_ns, svc_getnl(argv)); /* uid */
812
-	cred->cr_gid = make_kgid(&init_user_ns, svc_getnl(argv)); /* gid */
832
+	userns = (rqstp->rq_xprt && rqstp->rq_xprt->xpt_cred) ?
833
+		rqstp->rq_xprt->xpt_cred->user_ns : &init_user_ns;
834
+	cred->cr_uid = make_kuid(userns, svc_getnl(argv)); /* uid */
835
+	cred->cr_gid = make_kgid(userns, svc_getnl(argv)); /* gid */
813
836
 	slen = svc_getnl(argv);			/* gids length */
814
837
 	if (slen > UNX_NGROUPS || (len -= (slen + 2)*4) < 0)
815
838
 		goto badcred;
..
..
@@ -817,7 +840,7 @@
817
840
 	if (cred->cr_group_info == NULL)
818
841
 		return SVC_CLOSE;
819
842
 	for (i = 0; i < slen; i++) {
820
-		kgid_t kgid = make_kgid(&init_user_ns, svc_getnl(argv));
843
+		kgid_t kgid = make_kgid(userns, svc_getnl(argv));
821
844
 		cred->cr_group_info->gid[i] = kgid;
822
845
 	}
823
846
 	groups_sort(cred->cr_group_info);
..
..
@@ -869,6 +892,7 @@
869
892
 	.hash_size	= IP_HASHMAX,
870
893
 	.name		= "auth.unix.ip",
871
894
 	.cache_put	= ip_map_put,
895
+	.cache_upcall	= ip_map_upcall,
872
896
 	.cache_request	= ip_map_request,
873
897
 	.cache_parse	= ip_map_parse,
874
898
 	.cache_show	= ip_map_show,