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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2006-11-04 06:11:37 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-03 00:22:08 -0500
commita11d206d0f88e092419877c7f706cafb5e1c2e57 (patch)
treeed96428bb52765198d5c5b7ccbc1f1b6516ffb3f /net/ipv6
parent7a3025b1b3a0173be5de6ced18754b909da27b38 (diff)
[IPV6]: Per-interface statistics support.
For IP MIB (RFC4293). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/exthdrs.c57
-rw-r--r--net/ipv6/icmp.c3
-rw-r--r--net/ipv6/ip6_input.c40
-rw-r--r--net/ipv6/ip6_output.c71
-rw-r--r--net/ipv6/mcast.c20
-rw-r--r--net/ipv6/ndisc.c8
-rw-r--r--net/ipv6/netfilter.c2
-rw-r--r--net/ipv6/proc.c7
-rw-r--r--net/ipv6/raw.c4
-rw-r--r--net/ipv6/reassembly.c65
-rw-r--r--net/ipv6/route.c4
11 files changed, 176 insertions, 105 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 88c96b10684c..27829cc4ce88 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -284,10 +284,12 @@ static int ipv6_destopt_rcv(struct sk_buff **skbp)
284#ifdef CONFIG_IPV6_MIP6 284#ifdef CONFIG_IPV6_MIP6
285 __u16 dstbuf; 285 __u16 dstbuf;
286#endif 286#endif
287 struct dst_entry *dst;
287 288
288 if (!pskb_may_pull(skb, (skb->h.raw-skb->data)+8) || 289 if (!pskb_may_pull(skb, (skb->h.raw-skb->data)+8) ||
289 !pskb_may_pull(skb, (skb->h.raw-skb->data)+((skb->h.raw[1]+1)<<3))) { 290 !pskb_may_pull(skb, (skb->h.raw-skb->data)+((skb->h.raw[1]+1)<<3))) {
290 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 291 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
292 IPSTATS_MIB_INHDRERRORS);
291 kfree_skb(skb); 293 kfree_skb(skb);
292 return -1; 294 return -1;
293 } 295 }
@@ -298,7 +300,9 @@ static int ipv6_destopt_rcv(struct sk_buff **skbp)
298 dstbuf = opt->dst1; 300 dstbuf = opt->dst1;
299#endif 301#endif
300 302
303 dst = dst_clone(skb->dst);
301 if (ip6_parse_tlv(tlvprocdestopt_lst, skbp)) { 304 if (ip6_parse_tlv(tlvprocdestopt_lst, skbp)) {
305 dst_release(dst);
302 skb = *skbp; 306 skb = *skbp;
303 skb->h.raw += ((skb->h.raw[1]+1)<<3); 307 skb->h.raw += ((skb->h.raw[1]+1)<<3);
304 opt = IP6CB(skb); 308 opt = IP6CB(skb);
@@ -310,7 +314,8 @@ static int ipv6_destopt_rcv(struct sk_buff **skbp)
310 return 1; 314 return 1;
311 } 315 }
312 316
313 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 317 IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_INHDRERRORS);
318 dst_release(dst);
314 return -1; 319 return -1;
315} 320}
316 321
@@ -365,7 +370,8 @@ static int ipv6_rthdr_rcv(struct sk_buff **skbp)
365 370
366 if (!pskb_may_pull(skb, (skb->h.raw-skb->data)+8) || 371 if (!pskb_may_pull(skb, (skb->h.raw-skb->data)+8) ||
367 !pskb_may_pull(skb, (skb->h.raw-skb->data)+((skb->h.raw[1]+1)<<3))) { 372 !pskb_may_pull(skb, (skb->h.raw-skb->data)+((skb->h.raw[1]+1)<<3))) {
368 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 373 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
374 IPSTATS_MIB_INHDRERRORS);
369 kfree_skb(skb); 375 kfree_skb(skb);
370 return -1; 376 return -1;
371 } 377 }
@@ -374,7 +380,8 @@ static int ipv6_rthdr_rcv(struct sk_buff **skbp)
374 380
375 if (ipv6_addr_is_multicast(&skb->nh.ipv6h->daddr) || 381 if (ipv6_addr_is_multicast(&skb->nh.ipv6h->daddr) ||
376 skb->pkt_type != PACKET_HOST) { 382 skb->pkt_type != PACKET_HOST) {
377 IP6_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS); 383 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
384 IPSTATS_MIB_INADDRERRORS);
378 kfree_skb(skb); 385 kfree_skb(skb);
379 return -1; 386 return -1;
380 } 387 }
@@ -388,7 +395,8 @@ looped_back:
388 * processed by own 395 * processed by own
389 */ 396 */
390 if (!addr) { 397 if (!addr) {
391 IP6_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS); 398 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
399 IPSTATS_MIB_INADDRERRORS);
392 kfree_skb(skb); 400 kfree_skb(skb);
393 return -1; 401 return -1;
394 } 402 }
@@ -410,7 +418,8 @@ looped_back:
410 switch (hdr->type) { 418 switch (hdr->type) {
411 case IPV6_SRCRT_TYPE_0: 419 case IPV6_SRCRT_TYPE_0:
412 if (hdr->hdrlen & 0x01) { 420 if (hdr->hdrlen & 0x01) {
413 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 421 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
422 IPSTATS_MIB_INHDRERRORS);
414 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->hdrlen) - skb->nh.raw); 423 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->hdrlen) - skb->nh.raw);
415 return -1; 424 return -1;
416 } 425 }
@@ -419,14 +428,16 @@ looped_back:
419 case IPV6_SRCRT_TYPE_2: 428 case IPV6_SRCRT_TYPE_2:
420 /* Silently discard invalid RTH type 2 */ 429 /* Silently discard invalid RTH type 2 */
421 if (hdr->hdrlen != 2 || hdr->segments_left != 1) { 430 if (hdr->hdrlen != 2 || hdr->segments_left != 1) {
422 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 431 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
432 IPSTATS_MIB_INHDRERRORS);
423 kfree_skb(skb); 433 kfree_skb(skb);
424 return -1; 434 return -1;
425 } 435 }
426 break; 436 break;
427#endif 437#endif
428 default: 438 default:
429 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 439 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
440 IPSTATS_MIB_INHDRERRORS);
430 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->type) - skb->nh.raw); 441 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->type) - skb->nh.raw);
431 return -1; 442 return -1;
432 } 443 }
@@ -439,7 +450,8 @@ looped_back:
439 n = hdr->hdrlen >> 1; 450 n = hdr->hdrlen >> 1;
440 451
441 if (hdr->segments_left > n) { 452 if (hdr->segments_left > n) {
442 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 453 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
454 IPSTATS_MIB_INHDRERRORS);
443 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->segments_left) - skb->nh.raw); 455 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->segments_left) - skb->nh.raw);
444 return -1; 456 return -1;
445 } 457 }
@@ -449,12 +461,14 @@ looped_back:
449 */ 461 */
450 if (skb_cloned(skb)) { 462 if (skb_cloned(skb)) {
451 struct sk_buff *skb2 = skb_copy(skb, GFP_ATOMIC); 463 struct sk_buff *skb2 = skb_copy(skb, GFP_ATOMIC);
452 kfree_skb(skb);
453 /* the copy is a forwarded packet */ 464 /* the copy is a forwarded packet */
454 if (skb2 == NULL) { 465 if (skb2 == NULL) {
455 IP6_INC_STATS_BH(IPSTATS_MIB_OUTDISCARDS); 466 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
467 IPSTATS_MIB_OUTDISCARDS);
468 kfree_skb(skb);
456 return -1; 469 return -1;
457 } 470 }
471 kfree_skb(skb);
458 *skbp = skb = skb2; 472 *skbp = skb = skb2;
459 opt = IP6CB(skb2); 473 opt = IP6CB(skb2);
460 hdr = (struct ipv6_rt_hdr *) skb2->h.raw; 474 hdr = (struct ipv6_rt_hdr *) skb2->h.raw;
@@ -475,12 +489,14 @@ looped_back:
475 if (xfrm6_input_addr(skb, (xfrm_address_t *)addr, 489 if (xfrm6_input_addr(skb, (xfrm_address_t *)addr,
476 (xfrm_address_t *)&skb->nh.ipv6h->saddr, 490 (xfrm_address_t *)&skb->nh.ipv6h->saddr,
477 IPPROTO_ROUTING) < 0) { 491 IPPROTO_ROUTING) < 0) {
478 IP6_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS); 492 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
493 IPSTATS_MIB_INADDRERRORS);
479 kfree_skb(skb); 494 kfree_skb(skb);
480 return -1; 495 return -1;
481 } 496 }
482 if (!ipv6_chk_home_addr(addr)) { 497 if (!ipv6_chk_home_addr(addr)) {
483 IP6_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS); 498 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
499 IPSTATS_MIB_INADDRERRORS);
484 kfree_skb(skb); 500 kfree_skb(skb);
485 return -1; 501 return -1;
486 } 502 }
@@ -491,7 +507,8 @@ looped_back:
491 } 507 }
492 508
493 if (ipv6_addr_is_multicast(addr)) { 509 if (ipv6_addr_is_multicast(addr)) {
494 IP6_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS); 510 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
511 IPSTATS_MIB_INADDRERRORS);
495 kfree_skb(skb); 512 kfree_skb(skb);
496 return -1; 513 return -1;
497 } 514 }
@@ -510,7 +527,8 @@ looped_back:
510 527
511 if (skb->dst->dev->flags&IFF_LOOPBACK) { 528 if (skb->dst->dev->flags&IFF_LOOPBACK) {
512 if (skb->nh.ipv6h->hop_limit <= 1) { 529 if (skb->nh.ipv6h->hop_limit <= 1) {
513 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 530 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
531 IPSTATS_MIB_INHDRERRORS);
514 icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT, 532 icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
515 0, skb->dev); 533 0, skb->dev);
516 kfree_skb(skb); 534 kfree_skb(skb);
@@ -632,24 +650,25 @@ static int ipv6_hop_jumbo(struct sk_buff **skbp, int optoff)
632 if (skb->nh.raw[optoff+1] != 4 || (optoff&3) != 2) { 650 if (skb->nh.raw[optoff+1] != 4 || (optoff&3) != 2) {
633 LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n", 651 LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
634 skb->nh.raw[optoff+1]); 652 skb->nh.raw[optoff+1]);
635 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 653 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
654 IPSTATS_MIB_INHDRERRORS);
636 goto drop; 655 goto drop;
637 } 656 }
638 657
639 pkt_len = ntohl(*(u32*)(skb->nh.raw+optoff+2)); 658 pkt_len = ntohl(*(u32*)(skb->nh.raw+optoff+2));
640 if (pkt_len <= IPV6_MAXPLEN) { 659 if (pkt_len <= IPV6_MAXPLEN) {
641 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 660 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
642 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff+2); 661 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff+2);
643 return 0; 662 return 0;
644 } 663 }
645 if (skb->nh.ipv6h->payload_len) { 664 if (skb->nh.ipv6h->payload_len) {
646 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 665 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
647 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff); 666 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff);
648 return 0; 667 return 0;
649 } 668 }
650 669
651 if (pkt_len > skb->len - sizeof(struct ipv6hdr)) { 670 if (pkt_len > skb->len - sizeof(struct ipv6hdr)) {
652 IP6_INC_STATS_BH(IPSTATS_MIB_INTRUNCATEDPKTS); 671 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INTRUNCATEDPKTS);
653 goto drop; 672 goto drop;
654 } 673 }
655 674
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 81bd45b26c98..52cca93ff2f8 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -177,7 +177,8 @@ static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
177 */ 177 */
178 dst = ip6_route_output(sk, fl); 178 dst = ip6_route_output(sk, fl);
179 if (dst->error) { 179 if (dst->error) {
180 IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES); 180 IP6_INC_STATS(ip6_dst_idev(dst),
181 IPSTATS_MIB_OUTNOROUTES);
181 } else if (dst->dev && (dst->dev->flags&IFF_LOOPBACK)) { 182 } else if (dst->dev && (dst->dev->flags&IFF_LOOPBACK)) {
182 res = 1; 183 res = 1;
183 } else { 184 } else {
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index ebf54ae90a0c..ad0b8abcdf4b 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -60,14 +60,22 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
60{ 60{
61 struct ipv6hdr *hdr; 61 struct ipv6hdr *hdr;
62 u32 pkt_len; 62 u32 pkt_len;
63 struct inet6_dev *idev;
63 64
64 if (skb->pkt_type == PACKET_OTHERHOST) 65 if (skb->pkt_type == PACKET_OTHERHOST) {
65 goto drop; 66 kfree_skb(skb);
67 return 0;
68 }
69
70 rcu_read_lock();
66 71
67 IP6_INC_STATS_BH(IPSTATS_MIB_INRECEIVES); 72 idev = __in6_dev_get(skb->dev);
73
74 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INRECEIVES);
68 75
69 if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) { 76 if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) {
70 IP6_INC_STATS_BH(IPSTATS_MIB_INDISCARDS); 77 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDISCARDS);
78 rcu_read_unlock();
71 goto out; 79 goto out;
72 } 80 }
73 81
@@ -104,7 +112,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
104 if (pkt_len + sizeof(struct ipv6hdr) > skb->len) 112 if (pkt_len + sizeof(struct ipv6hdr) > skb->len)
105 goto truncated; 113 goto truncated;
106 if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) { 114 if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) {
107 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 115 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
108 goto drop; 116 goto drop;
109 } 117 }
110 hdr = skb->nh.ipv6h; 118 hdr = skb->nh.ipv6h;
@@ -112,17 +120,21 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
112 120
113 if (hdr->nexthdr == NEXTHDR_HOP) { 121 if (hdr->nexthdr == NEXTHDR_HOP) {
114 if (ipv6_parse_hopopts(&skb) < 0) { 122 if (ipv6_parse_hopopts(&skb) < 0) {
115 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 123 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
124 rcu_read_unlock();
116 return 0; 125 return 0;
117 } 126 }
118 } 127 }
119 128
129 rcu_read_unlock();
130
120 return NF_HOOK(PF_INET6,NF_IP6_PRE_ROUTING, skb, dev, NULL, ip6_rcv_finish); 131 return NF_HOOK(PF_INET6,NF_IP6_PRE_ROUTING, skb, dev, NULL, ip6_rcv_finish);
121truncated: 132truncated:
122 IP6_INC_STATS_BH(IPSTATS_MIB_INTRUNCATEDPKTS); 133 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INTRUNCATEDPKTS);
123err: 134err:
124 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 135 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS);
125drop: 136drop:
137 rcu_read_unlock();
126 kfree_skb(skb); 138 kfree_skb(skb);
127out: 139out:
128 return 0; 140 return 0;
@@ -140,6 +152,7 @@ static inline int ip6_input_finish(struct sk_buff *skb)
140 unsigned int nhoff; 152 unsigned int nhoff;
141 int nexthdr; 153 int nexthdr;
142 u8 hash; 154 u8 hash;
155 struct inet6_dev *idev;
143 156
144 /* 157 /*
145 * Parse extension headers 158 * Parse extension headers
@@ -147,6 +160,7 @@ static inline int ip6_input_finish(struct sk_buff *skb)
147 160
148 rcu_read_lock(); 161 rcu_read_lock();
149resubmit: 162resubmit:
163 idev = ip6_dst_idev(skb->dst);
150 if (!pskb_pull(skb, skb->h.raw - skb->data)) 164 if (!pskb_pull(skb, skb->h.raw - skb->data))
151 goto discard; 165 goto discard;
152 nhoff = IP6CB(skb)->nhoff; 166 nhoff = IP6CB(skb)->nhoff;
@@ -185,24 +199,24 @@ resubmit:
185 if (ret > 0) 199 if (ret > 0)
186 goto resubmit; 200 goto resubmit;
187 else if (ret == 0) 201 else if (ret == 0)
188 IP6_INC_STATS_BH(IPSTATS_MIB_INDELIVERS); 202 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDELIVERS);
189 } else { 203 } else {
190 if (!raw_sk) { 204 if (!raw_sk) {
191 if (xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) { 205 if (xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
192 IP6_INC_STATS_BH(IPSTATS_MIB_INUNKNOWNPROTOS); 206 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INUNKNOWNPROTOS);
193 icmpv6_send(skb, ICMPV6_PARAMPROB, 207 icmpv6_send(skb, ICMPV6_PARAMPROB,
194 ICMPV6_UNK_NEXTHDR, nhoff, 208 ICMPV6_UNK_NEXTHDR, nhoff,
195 skb->dev); 209 skb->dev);
196 } 210 }
197 } else 211 } else
198 IP6_INC_STATS_BH(IPSTATS_MIB_INDELIVERS); 212 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDELIVERS);
199 kfree_skb(skb); 213 kfree_skb(skb);
200 } 214 }
201 rcu_read_unlock(); 215 rcu_read_unlock();
202 return 0; 216 return 0;
203 217
204discard: 218discard:
205 IP6_INC_STATS_BH(IPSTATS_MIB_INDISCARDS); 219 IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDISCARDS);
206 rcu_read_unlock(); 220 rcu_read_unlock();
207 kfree_skb(skb); 221 kfree_skb(skb);
208 return 0; 222 return 0;
@@ -219,7 +233,7 @@ int ip6_mc_input(struct sk_buff *skb)
219 struct ipv6hdr *hdr; 233 struct ipv6hdr *hdr;
220 int deliver; 234 int deliver;
221 235
222 IP6_INC_STATS_BH(IPSTATS_MIB_INMCASTPKTS); 236 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCASTPKTS);
223 237
224 hdr = skb->nh.ipv6h; 238 hdr = skb->nh.ipv6h;
225 deliver = likely(!(skb->dev->flags & (IFF_PROMISC|IFF_ALLMULTI))) || 239 deliver = likely(!(skb->dev->flags & (IFF_PROMISC|IFF_ALLMULTI))) ||
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 1bde3aca3466..85f889270492 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -88,7 +88,7 @@ static inline int ip6_output_finish(struct sk_buff *skb)
88 } else if (dst->neighbour) 88 } else if (dst->neighbour)
89 return dst->neighbour->output(skb); 89 return dst->neighbour->output(skb);
90 90
91 IP6_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES); 91 IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
92 kfree_skb(skb); 92 kfree_skb(skb);
93 return -EINVAL; 93 return -EINVAL;
94 94
@@ -118,6 +118,7 @@ static int ip6_output2(struct sk_buff *skb)
118 118
119 if (ipv6_addr_is_multicast(&skb->nh.ipv6h->daddr)) { 119 if (ipv6_addr_is_multicast(&skb->nh.ipv6h->daddr)) {
120 struct ipv6_pinfo* np = skb->sk ? inet6_sk(skb->sk) : NULL; 120 struct ipv6_pinfo* np = skb->sk ? inet6_sk(skb->sk) : NULL;
121 struct inet6_dev *idev = ip6_dst_idev(skb->dst);
121 122
122 if (!(dev->flags & IFF_LOOPBACK) && (!np || np->mc_loop) && 123 if (!(dev->flags & IFF_LOOPBACK) && (!np || np->mc_loop) &&
123 ipv6_chk_mcast_addr(dev, &skb->nh.ipv6h->daddr, 124 ipv6_chk_mcast_addr(dev, &skb->nh.ipv6h->daddr,
@@ -133,13 +134,13 @@ static int ip6_output2(struct sk_buff *skb)
133 ip6_dev_loopback_xmit); 134 ip6_dev_loopback_xmit);
134 135
135 if (skb->nh.ipv6h->hop_limit == 0) { 136 if (skb->nh.ipv6h->hop_limit == 0) {
136 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 137 IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS);
137 kfree_skb(skb); 138 kfree_skb(skb);
138 return 0; 139 return 0;
139 } 140 }
140 } 141 }
141 142
142 IP6_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS); 143 IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS);
143 } 144 }
144 145
145 return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb,NULL, skb->dev,ip6_output_finish); 146 return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb,NULL, skb->dev,ip6_output_finish);
@@ -182,12 +183,14 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
182 183
183 if (skb_headroom(skb) < head_room) { 184 if (skb_headroom(skb) < head_room) {
184 struct sk_buff *skb2 = skb_realloc_headroom(skb, head_room); 185 struct sk_buff *skb2 = skb_realloc_headroom(skb, head_room);
185 kfree_skb(skb); 186 if (skb2 == NULL) {
186 skb = skb2; 187 IP6_INC_STATS(ip6_dst_idev(skb->dst),
187 if (skb == NULL) { 188 IPSTATS_MIB_OUTDISCARDS);
188 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 189 kfree_skb(skb);
189 return -ENOBUFS; 190 return -ENOBUFS;
190 } 191 }
192 kfree_skb(skb);
193 skb = skb2;
191 if (sk) 194 if (sk)
192 skb_set_owner_w(skb, sk); 195 skb_set_owner_w(skb, sk);
193 } 196 }
@@ -230,7 +233,8 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
230 233
231 mtu = dst_mtu(dst); 234 mtu = dst_mtu(dst);
232 if ((skb->len <= mtu) || ipfragok || skb_is_gso(skb)) { 235 if ((skb->len <= mtu) || ipfragok || skb_is_gso(skb)) {
233 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 236 IP6_INC_STATS(ip6_dst_idev(skb->dst),
237 IPSTATS_MIB_OUTREQUESTS);
234 return NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev, 238 return NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev,
235 dst_output); 239 dst_output);
236 } 240 }
@@ -239,7 +243,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
239 printk(KERN_DEBUG "IPv6: sending pkt_too_big to self\n"); 243 printk(KERN_DEBUG "IPv6: sending pkt_too_big to self\n");
240 skb->dev = dst->dev; 244 skb->dev = dst->dev;
241 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev); 245 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
242 IP6_INC_STATS(IPSTATS_MIB_FRAGFAILS); 246 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);
243 kfree_skb(skb); 247 kfree_skb(skb);
244 return -EMSGSIZE; 248 return -EMSGSIZE;
245} 249}
@@ -373,7 +377,7 @@ int ip6_forward(struct sk_buff *skb)
373 goto error; 377 goto error;
374 378
375 if (!xfrm6_policy_check(NULL, XFRM_POLICY_FWD, skb)) { 379 if (!xfrm6_policy_check(NULL, XFRM_POLICY_FWD, skb)) {
376 IP6_INC_STATS(IPSTATS_MIB_INDISCARDS); 380 IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS);
377 goto drop; 381 goto drop;
378 } 382 }
379 383
@@ -406,7 +410,7 @@ int ip6_forward(struct sk_buff *skb)
406 skb->dev = dst->dev; 410 skb->dev = dst->dev;
407 icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT, 411 icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
408 0, skb->dev); 412 0, skb->dev);
409 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 413 IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_INHDRERRORS);
410 414
411 kfree_skb(skb); 415 kfree_skb(skb);
412 return -ETIMEDOUT; 416 return -ETIMEDOUT;
@@ -419,13 +423,13 @@ int ip6_forward(struct sk_buff *skb)
419 if (proxied > 0) 423 if (proxied > 0)
420 return ip6_input(skb); 424 return ip6_input(skb);
421 else if (proxied < 0) { 425 else if (proxied < 0) {
422 IP6_INC_STATS(IPSTATS_MIB_INDISCARDS); 426 IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS);
423 goto drop; 427 goto drop;
424 } 428 }
425 } 429 }
426 430
427 if (!xfrm6_route_forward(skb)) { 431 if (!xfrm6_route_forward(skb)) {
428 IP6_INC_STATS(IPSTATS_MIB_INDISCARDS); 432 IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS);
429 goto drop; 433 goto drop;
430 } 434 }
431 dst = skb->dst; 435 dst = skb->dst;
@@ -464,14 +468,14 @@ int ip6_forward(struct sk_buff *skb)
464 /* Again, force OUTPUT device used as source address */ 468 /* Again, force OUTPUT device used as source address */
465 skb->dev = dst->dev; 469 skb->dev = dst->dev;
466 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, dst_mtu(dst), skb->dev); 470 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, dst_mtu(dst), skb->dev);
467 IP6_INC_STATS_BH(IPSTATS_MIB_INTOOBIGERRORS); 471 IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_INTOOBIGERRORS);
468 IP6_INC_STATS_BH(IPSTATS_MIB_FRAGFAILS); 472 IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_FRAGFAILS);
469 kfree_skb(skb); 473 kfree_skb(skb);
470 return -EMSGSIZE; 474 return -EMSGSIZE;
471 } 475 }
472 476
473 if (skb_cow(skb, dst->dev->hard_header_len)) { 477 if (skb_cow(skb, dst->dev->hard_header_len)) {
474 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 478 IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_OUTDISCARDS);
475 goto drop; 479 goto drop;
476 } 480 }
477 481
@@ -481,11 +485,11 @@ int ip6_forward(struct sk_buff *skb)
481 485
482 hdr->hop_limit--; 486 hdr->hop_limit--;
483 487
484 IP6_INC_STATS_BH(IPSTATS_MIB_OUTFORWDATAGRAMS); 488 IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_OUTFORWDATAGRAMS);
485 return NF_HOOK(PF_INET6,NF_IP6_FORWARD, skb, skb->dev, dst->dev, ip6_forward_finish); 489 return NF_HOOK(PF_INET6,NF_IP6_FORWARD, skb, skb->dev, dst->dev, ip6_forward_finish);
486 490
487error: 491error:
488 IP6_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS); 492 IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_INADDRERRORS);
489drop: 493drop:
490 kfree_skb(skb); 494 kfree_skb(skb);
491 return -EINVAL; 495 return -EINVAL;
@@ -622,7 +626,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
622 626
623 tmp_hdr = kmalloc(hlen, GFP_ATOMIC); 627 tmp_hdr = kmalloc(hlen, GFP_ATOMIC);
624 if (!tmp_hdr) { 628 if (!tmp_hdr) {
625 IP6_INC_STATS(IPSTATS_MIB_FRAGFAILS); 629 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);
626 return -ENOMEM; 630 return -ENOMEM;
627 } 631 }
628 632
@@ -643,7 +647,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
643 skb->data_len = first_len - skb_headlen(skb); 647 skb->data_len = first_len - skb_headlen(skb);
644 skb->len = first_len; 648 skb->len = first_len;
645 skb->nh.ipv6h->payload_len = htons(first_len - sizeof(struct ipv6hdr)); 649 skb->nh.ipv6h->payload_len = htons(first_len - sizeof(struct ipv6hdr));
646 650
651 dst_hold(&rt->u.dst);
647 652
648 for (;;) { 653 for (;;) {
649 /* Prepare header of the next frame, 654 /* Prepare header of the next frame,
@@ -667,7 +672,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
667 672
668 err = output(skb); 673 err = output(skb);
669 if(!err) 674 if(!err)
670 IP6_INC_STATS(IPSTATS_MIB_FRAGCREATES); 675 IP6_INC_STATS(ip6_dst_idev(&rt->u.dst), IPSTATS_MIB_FRAGCREATES);
671 676
672 if (err || !frag) 677 if (err || !frag)
673 break; 678 break;
@@ -680,7 +685,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
680 kfree(tmp_hdr); 685 kfree(tmp_hdr);
681 686
682 if (err == 0) { 687 if (err == 0) {
683 IP6_INC_STATS(IPSTATS_MIB_FRAGOKS); 688 IP6_INC_STATS(ip6_dst_idev(&rt->u.dst), IPSTATS_MIB_FRAGOKS);
689 dst_release(&rt->u.dst);
684 return 0; 690 return 0;
685 } 691 }
686 692
@@ -690,7 +696,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
690 frag = skb; 696 frag = skb;
691 } 697 }
692 698
693 IP6_INC_STATS(IPSTATS_MIB_FRAGFAILS); 699 IP6_INC_STATS(ip6_dst_idev(&rt->u.dst), IPSTATS_MIB_FRAGFAILS);
700 dst_release(&rt->u.dst);
694 return err; 701 return err;
695 } 702 }
696 703
@@ -723,7 +730,8 @@ slow_path:
723 730
724 if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_RESERVED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) { 731 if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_RESERVED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) {
725 NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n"); 732 NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n");
726 IP6_INC_STATS(IPSTATS_MIB_FRAGFAILS); 733 IP6_INC_STATS(ip6_dst_idev(skb->dst),
734 IPSTATS_MIB_FRAGFAILS);
727 err = -ENOMEM; 735 err = -ENOMEM;
728 goto fail; 736 goto fail;
729 } 737 }
@@ -784,15 +792,17 @@ slow_path:
784 if (err) 792 if (err)
785 goto fail; 793 goto fail;
786 794
787 IP6_INC_STATS(IPSTATS_MIB_FRAGCREATES); 795 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGCREATES);
788 } 796 }
797 IP6_INC_STATS(ip6_dst_idev(skb->dst),
798 IPSTATS_MIB_FRAGOKS);
789 kfree_skb(skb); 799 kfree_skb(skb);
790 IP6_INC_STATS(IPSTATS_MIB_FRAGOKS);
791 return err; 800 return err;
792 801
793fail: 802fail:
803 IP6_INC_STATS(ip6_dst_idev(skb->dst),
804 IPSTATS_MIB_FRAGFAILS);
794 kfree_skb(skb); 805 kfree_skb(skb);
795 IP6_INC_STATS(IPSTATS_MIB_FRAGFAILS);
796 return err; 806 return err;
797} 807}
798 808
@@ -1265,7 +1275,7 @@ alloc_new_skb:
1265 return 0; 1275 return 0;
1266error: 1276error:
1267 inet->cork.length -= length; 1277 inet->cork.length -= length;
1268 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 1278 IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
1269 return err; 1279 return err;
1270} 1280}
1271 1281
@@ -1326,7 +1336,7 @@ int ip6_push_pending_frames(struct sock *sk)
1326 skb->priority = sk->sk_priority; 1336 skb->priority = sk->sk_priority;
1327 1337
1328 skb->dst = dst_clone(&rt->u.dst); 1338 skb->dst = dst_clone(&rt->u.dst);
1329 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 1339 IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTREQUESTS);
1330 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dst->dev, dst_output); 1340 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dst->dev, dst_output);
1331 if (err) { 1341 if (err) {
1332 if (err > 0) 1342 if (err > 0)
@@ -1357,7 +1367,8 @@ void ip6_flush_pending_frames(struct sock *sk)
1357 struct sk_buff *skb; 1367 struct sk_buff *skb;
1358 1368
1359 while ((skb = __skb_dequeue_tail(&sk->sk_write_queue)) != NULL) { 1369 while ((skb = __skb_dequeue_tail(&sk->sk_write_queue)) != NULL) {
1360 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 1370 IP6_INC_STATS(ip6_dst_idev(skb->dst),
1371 IPSTATS_MIB_OUTDISCARDS);
1361 kfree_skb(skb); 1372 kfree_skb(skb);
1362 } 1373 }
1363 1374
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 9055979083b6..c006d02be8bc 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1465,7 +1465,7 @@ static void mld_sendpack(struct sk_buff *skb)
1465 struct inet6_dev *idev = in6_dev_get(skb->dev); 1465 struct inet6_dev *idev = in6_dev_get(skb->dev);
1466 int err; 1466 int err;
1467 1467
1468 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 1468 IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
1469 payload_len = skb->tail - (unsigned char *)skb->nh.ipv6h - 1469 payload_len = skb->tail - (unsigned char *)skb->nh.ipv6h -
1470 sizeof(struct ipv6hdr); 1470 sizeof(struct ipv6hdr);
1471 mldlen = skb->tail - skb->h.raw; 1471 mldlen = skb->tail - skb->h.raw;
@@ -1477,9 +1477,9 @@ static void mld_sendpack(struct sk_buff *skb)
1477 mld_dev_queue_xmit); 1477 mld_dev_queue_xmit);
1478 if (!err) { 1478 if (!err) {
1479 ICMP6_INC_STATS(idev,ICMP6_MIB_OUTMSGS); 1479 ICMP6_INC_STATS(idev,ICMP6_MIB_OUTMSGS);
1480 IP6_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS); 1480 IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS);
1481 } else 1481 } else
1482 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 1482 IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS);
1483 1483
1484 if (likely(idev != NULL)) 1484 if (likely(idev != NULL))
1485 in6_dev_put(idev); 1485 in6_dev_put(idev);
@@ -1763,7 +1763,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
1763 IPV6_TLV_ROUTERALERT, 2, 0, 0, 1763 IPV6_TLV_ROUTERALERT, 2, 0, 0,
1764 IPV6_TLV_PADN, 0 }; 1764 IPV6_TLV_PADN, 0 };
1765 1765
1766 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 1766 rcu_read_lock();
1767 IP6_INC_STATS(__in6_dev_get(dev),
1768 IPSTATS_MIB_OUTREQUESTS);
1769 rcu_read_unlock();
1767 snd_addr = addr; 1770 snd_addr = addr;
1768 if (type == ICMPV6_MGM_REDUCTION) { 1771 if (type == ICMPV6_MGM_REDUCTION) {
1769 snd_addr = &all_routers; 1772 snd_addr = &all_routers;
@@ -1777,7 +1780,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
1777 skb = sock_alloc_send_skb(sk, LL_RESERVED_SPACE(dev) + full_len, 1, &err); 1780 skb = sock_alloc_send_skb(sk, LL_RESERVED_SPACE(dev) + full_len, 1, &err);
1778 1781
1779 if (skb == NULL) { 1782 if (skb == NULL) {
1780 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 1783 rcu_read_lock();
1784 IP6_INC_STATS(__in6_dev_get(dev),
1785 IPSTATS_MIB_OUTDISCARDS);
1786 rcu_read_unlock();
1781 return; 1787 return;
1782 } 1788 }
1783 1789
@@ -1816,9 +1822,9 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
1816 else 1822 else
1817 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTGROUPMEMBRESPONSES); 1823 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTGROUPMEMBRESPONSES);
1818 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTMSGS); 1824 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTMSGS);
1819 IP6_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS); 1825 IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS);
1820 } else 1826 } else
1821 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 1827 IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS);
1822 1828
1823 if (likely(idev != NULL)) 1829 if (likely(idev != NULL))
1824 in6_dev_put(idev); 1830 in6_dev_put(idev);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 89d527ebd7f6..1342be8b4cdc 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -515,7 +515,7 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
515 515
516 skb->dst = dst; 516 skb->dst = dst;
517 idev = in6_dev_get(dst->dev); 517 idev = in6_dev_get(dst->dev);
518 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 518 IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
519 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev, dst_output); 519 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev, dst_output);
520 if (!err) { 520 if (!err) {
521 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTNEIGHBORADVERTISEMENTS); 521 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTNEIGHBORADVERTISEMENTS);
@@ -601,7 +601,7 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
601 /* send it! */ 601 /* send it! */
602 skb->dst = dst; 602 skb->dst = dst;
603 idev = in6_dev_get(dst->dev); 603 idev = in6_dev_get(dst->dev);
604 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 604 IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
605 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev, dst_output); 605 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev, dst_output);
606 if (!err) { 606 if (!err) {
607 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTNEIGHBORSOLICITS); 607 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTNEIGHBORSOLICITS);
@@ -676,7 +676,7 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
676 /* send it! */ 676 /* send it! */
677 skb->dst = dst; 677 skb->dst = dst;
678 idev = in6_dev_get(dst->dev); 678 idev = in6_dev_get(dst->dev);
679 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 679 IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
680 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev, dst_output); 680 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev, dst_output);
681 if (!err) { 681 if (!err) {
682 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTROUTERSOLICITS); 682 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTROUTERSOLICITS);
@@ -1512,7 +1512,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
1512 1512
1513 buff->dst = dst; 1513 buff->dst = dst;
1514 idev = in6_dev_get(dst->dev); 1514 idev = in6_dev_get(dst->dev);
1515 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 1515 IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
1516 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, buff, NULL, dst->dev, dst_output); 1516 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, buff, NULL, dst->dev, dst_output);
1517 if (!err) { 1517 if (!err) {
1518 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTREDIRECTS); 1518 ICMP6_INC_STATS(idev, ICMP6_MIB_OUTREDIRECTS);
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 580b1aba6722..646a47456fd4 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -31,7 +31,7 @@ int ip6_route_me_harder(struct sk_buff *skb)
31#endif 31#endif
32 32
33 if (dst->error) { 33 if (dst->error) {
34 IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES); 34 IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
35 LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n"); 35 LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
36 dst_release(dst); 36 dst_release(dst);
37 return -EINVAL; 37 return -EINVAL;
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index efee7a6301a8..4158d386b0aa 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -161,6 +161,7 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
161 161
162 if (idev) { 162 if (idev) {
163 seq_printf(seq, "%-32s\t%u\n", "ifIndex", idev->dev->ifindex); 163 seq_printf(seq, "%-32s\t%u\n", "ifIndex", idev->dev->ifindex);
164 snmp6_seq_show_item(seq, (void **)idev->stats.ipv6, snmp6_ipstats_list);
164 snmp6_seq_show_item(seq, (void **)idev->stats.icmpv6, snmp6_icmp6_list); 165 snmp6_seq_show_item(seq, (void **)idev->stats.icmpv6, snmp6_icmp6_list);
165 } else { 166 } else {
166 snmp6_seq_show_item(seq, (void **)ipv6_statistics, snmp6_ipstats_list); 167 snmp6_seq_show_item(seq, (void **)ipv6_statistics, snmp6_ipstats_list);
@@ -281,6 +282,9 @@ int snmp6_alloc_dev(struct inet6_dev *idev)
281 if (!idev || !idev->dev) 282 if (!idev || !idev->dev)
282 return -EINVAL; 283 return -EINVAL;
283 284
285 if (snmp6_mib_init((void **)idev->stats.ipv6, sizeof(struct ipstats_mib),
286 __alignof__(struct ipstats_mib)) < 0)
287 goto err_ip;
284 if (snmp6_mib_init((void **)idev->stats.icmpv6, sizeof(struct icmpv6_mib), 288 if (snmp6_mib_init((void **)idev->stats.icmpv6, sizeof(struct icmpv6_mib),
285 __alignof__(struct icmpv6_mib)) < 0) 289 __alignof__(struct icmpv6_mib)) < 0)
286 goto err_icmp; 290 goto err_icmp;
@@ -288,12 +292,15 @@ int snmp6_alloc_dev(struct inet6_dev *idev)
288 return 0; 292 return 0;
289 293
290err_icmp: 294err_icmp:
295 snmp6_mib_free((void **)idev->stats.ipv6);
296err_ip:
291 return err; 297 return err;
292} 298}
293 299
294int snmp6_free_dev(struct inet6_dev *idev) 300int snmp6_free_dev(struct inet6_dev *idev)
295{ 301{
296 snmp6_mib_free((void **)idev->stats.icmpv6); 302 snmp6_mib_free((void **)idev->stats.icmpv6);
303 snmp6_mib_free((void **)idev->stats.ipv6);
297 return 0; 304 return 0;
298} 305}
299 306
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 6bc66552442c..18a90075f942 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -586,7 +586,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
586 if (err) 586 if (err)
587 goto error_fault; 587 goto error_fault;
588 588
589 IP6_INC_STATS(IPSTATS_MIB_OUTREQUESTS); 589 IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTREQUESTS);
590 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, rt->u.dst.dev, 590 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, rt->u.dst.dev,
591 dst_output); 591 dst_output);
592 if (err > 0) 592 if (err > 0)
@@ -600,7 +600,7 @@ error_fault:
600 err = -EFAULT; 600 err = -EFAULT;
601 kfree_skb(skb); 601 kfree_skb(skb);
602error: 602error:
603 IP6_INC_STATS(IPSTATS_MIB_OUTDISCARDS); 603 IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
604 return err; 604 return err;
605} 605}
606 606
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index f39bbedd1327..3af0d5a6ceeb 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -47,6 +47,7 @@
47#include <net/snmp.h> 47#include <net/snmp.h>
48 48
49#include <net/ipv6.h> 49#include <net/ipv6.h>
50#include <net/ip6_route.h>
50#include <net/protocol.h> 51#include <net/protocol.h>
51#include <net/transp_v6.h> 52#include <net/transp_v6.h>
52#include <net/rawv6.h> 53#include <net/rawv6.h>
@@ -257,7 +258,7 @@ static __inline__ void fq_kill(struct frag_queue *fq)
257 } 258 }
258} 259}
259 260
260static void ip6_evictor(void) 261static void ip6_evictor(struct inet6_dev *idev)
261{ 262{
262 struct frag_queue *fq; 263 struct frag_queue *fq;
263 struct list_head *tmp; 264 struct list_head *tmp;
@@ -284,14 +285,14 @@ static void ip6_evictor(void)
284 spin_unlock(&fq->lock); 285 spin_unlock(&fq->lock);
285 286
286 fq_put(fq, &work); 287 fq_put(fq, &work);
287 IP6_INC_STATS_BH(IPSTATS_MIB_REASMFAILS); 288 IP6_INC_STATS_BH(idev, IPSTATS_MIB_REASMFAILS);
288 } 289 }
289} 290}
290 291
291static void ip6_frag_expire(unsigned long data) 292static void ip6_frag_expire(unsigned long data)
292{ 293{
293 struct frag_queue *fq = (struct frag_queue *) data; 294 struct frag_queue *fq = (struct frag_queue *) data;
294 struct net_device *dev; 295 struct net_device *dev = NULL;
295 296
296 spin_lock(&fq->lock); 297 spin_lock(&fq->lock);
297 298
@@ -300,17 +301,19 @@ static void ip6_frag_expire(unsigned long data)
300 301
301 fq_kill(fq); 302 fq_kill(fq);
302 303
303 IP6_INC_STATS_BH(IPSTATS_MIB_REASMTIMEOUT); 304 dev = dev_get_by_index(fq->iif);
304 IP6_INC_STATS_BH(IPSTATS_MIB_REASMFAILS); 305 if (!dev)
306 goto out;
307
308 rcu_read_lock();
309 IP6_INC_STATS_BH(__in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT);
310 IP6_INC_STATS_BH(__in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
311 rcu_read_unlock();
305 312
306 /* Don't send error if the first segment did not arrive. */ 313 /* Don't send error if the first segment did not arrive. */
307 if (!(fq->last_in&FIRST_IN) || !fq->fragments) 314 if (!(fq->last_in&FIRST_IN) || !fq->fragments)
308 goto out; 315 goto out;
309 316
310 dev = dev_get_by_index(fq->iif);
311 if (!dev)
312 goto out;
313
314 /* 317 /*
315 But use as source device on which LAST ARRIVED 318 But use as source device on which LAST ARRIVED
316 segment was received. And do not use fq->dev 319 segment was received. And do not use fq->dev
@@ -318,8 +321,9 @@ static void ip6_frag_expire(unsigned long data)
318 */ 321 */
319 fq->fragments->dev = dev; 322 fq->fragments->dev = dev;
320 icmpv6_send(fq->fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0, dev); 323 icmpv6_send(fq->fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0, dev);
321 dev_put(dev);
322out: 324out:
325 if (dev)
326 dev_put(dev);
323 spin_unlock(&fq->lock); 327 spin_unlock(&fq->lock);
324 fq_put(fq, NULL); 328 fq_put(fq, NULL);
325} 329}
@@ -366,7 +370,8 @@ static struct frag_queue *ip6_frag_intern(struct frag_queue *fq_in)
366 370
367 371
368static struct frag_queue * 372static struct frag_queue *
369ip6_frag_create(u32 id, struct in6_addr *src, struct in6_addr *dst) 373ip6_frag_create(u32 id, struct in6_addr *src, struct in6_addr *dst,
374 struct inet6_dev *idev)
370{ 375{
371 struct frag_queue *fq; 376 struct frag_queue *fq;
372 377
@@ -386,12 +391,13 @@ ip6_frag_create(u32 id, struct in6_addr *src, struct in6_addr *dst)
386 return ip6_frag_intern(fq); 391 return ip6_frag_intern(fq);
387 392
388oom: 393oom:
389 IP6_INC_STATS_BH(IPSTATS_MIB_REASMFAILS); 394 IP6_INC_STATS_BH(idev, IPSTATS_MIB_REASMFAILS);
390 return NULL; 395 return NULL;
391} 396}
392 397
393static __inline__ struct frag_queue * 398static __inline__ struct frag_queue *
394fq_find(u32 id, struct in6_addr *src, struct in6_addr *dst) 399fq_find(u32 id, struct in6_addr *src, struct in6_addr *dst,
400 struct inet6_dev *idev)
395{ 401{
396 struct frag_queue *fq; 402 struct frag_queue *fq;
397 struct hlist_node *n; 403 struct hlist_node *n;
@@ -410,7 +416,7 @@ fq_find(u32 id, struct in6_addr *src, struct in6_addr *dst)
410 } 416 }
411 read_unlock(&ip6_frag_lock); 417 read_unlock(&ip6_frag_lock);
412 418
413 return ip6_frag_create(id, src, dst); 419 return ip6_frag_create(id, src, dst, idev);
414} 420}
415 421
416 422
@@ -428,7 +434,8 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
428 ((u8 *) (fhdr + 1) - (u8 *) (skb->nh.ipv6h + 1))); 434 ((u8 *) (fhdr + 1) - (u8 *) (skb->nh.ipv6h + 1)));
429 435
430 if ((unsigned int)end > IPV6_MAXPLEN) { 436 if ((unsigned int)end > IPV6_MAXPLEN) {
431 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 437 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
438 IPSTATS_MIB_INHDRERRORS);
432 icmpv6_param_prob(skb,ICMPV6_HDR_FIELD, (u8*)&fhdr->frag_off - skb->nh.raw); 439 icmpv6_param_prob(skb,ICMPV6_HDR_FIELD, (u8*)&fhdr->frag_off - skb->nh.raw);
433 return; 440 return;
434 } 441 }
@@ -455,7 +462,8 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
455 /* RFC2460 says always send parameter problem in 462 /* RFC2460 says always send parameter problem in
456 * this case. -DaveM 463 * this case. -DaveM
457 */ 464 */
458 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); 465 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
466 IPSTATS_MIB_INHDRERRORS);
459 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, 467 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
460 offsetof(struct ipv6hdr, payload_len)); 468 offsetof(struct ipv6hdr, payload_len));
461 return; 469 return;
@@ -571,7 +579,7 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
571 return; 579 return;
572 580
573err: 581err:
574 IP6_INC_STATS(IPSTATS_MIB_REASMFAILS); 582 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMFAILS);
575 kfree_skb(skb); 583 kfree_skb(skb);
576} 584}
577 585
@@ -665,7 +673,9 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in,
665 if (head->ip_summed == CHECKSUM_COMPLETE) 673 if (head->ip_summed == CHECKSUM_COMPLETE)
666 head->csum = csum_partial(head->nh.raw, head->h.raw-head->nh.raw, head->csum); 674 head->csum = csum_partial(head->nh.raw, head->h.raw-head->nh.raw, head->csum);
667 675
668 IP6_INC_STATS_BH(IPSTATS_MIB_REASMOKS); 676 rcu_read_lock();
677 IP6_INC_STATS_BH(__in6_dev_get(dev), IPSTATS_MIB_REASMOKS);
678 rcu_read_unlock();
669 fq->fragments = NULL; 679 fq->fragments = NULL;
670 return 1; 680 return 1;
671 681
@@ -677,7 +687,9 @@ out_oom:
677 if (net_ratelimit()) 687 if (net_ratelimit())
678 printk(KERN_DEBUG "ip6_frag_reasm: no memory for reassembly\n"); 688 printk(KERN_DEBUG "ip6_frag_reasm: no memory for reassembly\n");
679out_fail: 689out_fail:
680 IP6_INC_STATS_BH(IPSTATS_MIB_REASMFAILS); 690 rcu_read_lock();
691 IP6_INC_STATS_BH(__in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
692 rcu_read_unlock();
681 return -1; 693 return -1;
682} 694}
683 695
@@ -691,16 +703,16 @@ static int ipv6_frag_rcv(struct sk_buff **skbp)
691 703
692 hdr = skb->nh.ipv6h; 704 hdr = skb->nh.ipv6h;
693 705
694 IP6_INC_STATS_BH(IPSTATS_MIB_REASMREQDS); 706 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMREQDS);
695 707
696 /* Jumbo payload inhibits frag. header */ 708 /* Jumbo payload inhibits frag. header */
697 if (hdr->payload_len==0) { 709 if (hdr->payload_len==0) {
698 IP6_INC_STATS(IPSTATS_MIB_INHDRERRORS); 710 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
699 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, skb->h.raw-skb->nh.raw); 711 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, skb->h.raw-skb->nh.raw);
700 return -1; 712 return -1;
701 } 713 }
702 if (!pskb_may_pull(skb, (skb->h.raw-skb->data)+sizeof(struct frag_hdr))) { 714 if (!pskb_may_pull(skb, (skb->h.raw-skb->data)+sizeof(struct frag_hdr))) {
703 IP6_INC_STATS(IPSTATS_MIB_INHDRERRORS); 715 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
704 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, skb->h.raw-skb->nh.raw); 716 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, skb->h.raw-skb->nh.raw);
705 return -1; 717 return -1;
706 } 718 }
@@ -711,16 +723,17 @@ static int ipv6_frag_rcv(struct sk_buff **skbp)
711 if (!(fhdr->frag_off & htons(0xFFF9))) { 723 if (!(fhdr->frag_off & htons(0xFFF9))) {
712 /* It is not a fragmented frame */ 724 /* It is not a fragmented frame */
713 skb->h.raw += sizeof(struct frag_hdr); 725 skb->h.raw += sizeof(struct frag_hdr);
714 IP6_INC_STATS_BH(IPSTATS_MIB_REASMOKS); 726 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMOKS);
715 727
716 IP6CB(skb)->nhoff = (u8*)fhdr - skb->nh.raw; 728 IP6CB(skb)->nhoff = (u8*)fhdr - skb->nh.raw;
717 return 1; 729 return 1;
718 } 730 }
719 731
720 if (atomic_read(&ip6_frag_mem) > sysctl_ip6frag_high_thresh) 732 if (atomic_read(&ip6_frag_mem) > sysctl_ip6frag_high_thresh)
721 ip6_evictor(); 733 ip6_evictor(ip6_dst_idev(skb->dst));
722 734
723 if ((fq = fq_find(fhdr->identification, &hdr->saddr, &hdr->daddr)) != NULL) { 735 if ((fq = fq_find(fhdr->identification, &hdr->saddr, &hdr->daddr,
736 ip6_dst_idev(skb->dst))) != NULL) {
724 int ret = -1; 737 int ret = -1;
725 738
726 spin_lock(&fq->lock); 739 spin_lock(&fq->lock);
@@ -736,7 +749,7 @@ static int ipv6_frag_rcv(struct sk_buff **skbp)
736 return ret; 749 return ret;
737 } 750 }
738 751
739 IP6_INC_STATS_BH(IPSTATS_MIB_REASMFAILS); 752 IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMFAILS);
740 kfree_skb(skb); 753 kfree_skb(skb);
741 return -1; 754 return -1;
742} 755}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index eb78b5252248..0ad07c9087a7 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1749,9 +1749,9 @@ static inline int ip6_pkt_drop(struct sk_buff *skb, int code)
1749{ 1749{
1750 int type = ipv6_addr_type(&skb->nh.ipv6h->daddr); 1750 int type = ipv6_addr_type(&skb->nh.ipv6h->daddr);
1751 if (type == IPV6_ADDR_ANY || type == IPV6_ADDR_RESERVED) 1751 if (type == IPV6_ADDR_ANY || type == IPV6_ADDR_RESERVED)
1752 IP6_INC_STATS(IPSTATS_MIB_INADDRERRORS); 1752 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_INADDRERRORS);
1753 1753
1754 IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES); 1754 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_OUTNOROUTES);
1755 icmpv6_send(skb, ICMPV6_DEST_UNREACH, code, 0, skb->dev); 1755 icmpv6_send(skb, ICMPV6_DEST_UNREACH, code, 0, skb->dev);
1756 kfree_skb(skb); 1756 kfree_skb(skb);
1757 return 0; 1757 return 0;
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 02:27:19 -0500