diff options
Diffstat (limited to 'net/ipv4/ip_fragment.c')
-rw-r--r-- | net/ipv4/ip_fragment.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index cd8c83025b48..4f013343cef7 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c | |||
@@ -100,9 +100,9 @@ int ip_frag_nqueues(struct net *net) | |||
100 | return net->ipv4.frags.nqueues; | 100 | return net->ipv4.frags.nqueues; |
101 | } | 101 | } |
102 | 102 | ||
103 | int ip_frag_mem(void) | 103 | int ip_frag_mem(struct net *net) |
104 | { | 104 | { |
105 | return atomic_read(&ip4_frags.mem); | 105 | return atomic_read(&net->ipv4.frags.mem); |
106 | } | 106 | } |
107 | 107 | ||
108 | static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, | 108 | static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, |
@@ -142,11 +142,12 @@ static int ip4_frag_match(struct inet_frag_queue *q, void *a) | |||
142 | } | 142 | } |
143 | 143 | ||
144 | /* Memory Tracking Functions. */ | 144 | /* Memory Tracking Functions. */ |
145 | static __inline__ void frag_kfree_skb(struct sk_buff *skb, int *work) | 145 | static __inline__ void frag_kfree_skb(struct netns_frags *nf, |
146 | struct sk_buff *skb, int *work) | ||
146 | { | 147 | { |
147 | if (work) | 148 | if (work) |
148 | *work -= skb->truesize; | 149 | *work -= skb->truesize; |
149 | atomic_sub(skb->truesize, &ip4_frags.mem); | 150 | atomic_sub(skb->truesize, &nf->mem); |
150 | kfree_skb(skb); | 151 | kfree_skb(skb); |
151 | } | 152 | } |
152 | 153 | ||
@@ -192,11 +193,11 @@ static void ipq_kill(struct ipq *ipq) | |||
192 | /* Memory limiting on fragments. Evictor trashes the oldest | 193 | /* Memory limiting on fragments. Evictor trashes the oldest |
193 | * fragment queue until we are back under the threshold. | 194 | * fragment queue until we are back under the threshold. |
194 | */ | 195 | */ |
195 | static void ip_evictor(void) | 196 | static void ip_evictor(struct net *net) |
196 | { | 197 | { |
197 | int evicted; | 198 | int evicted; |
198 | 199 | ||
199 | evicted = inet_frag_evictor(&ip4_frags); | 200 | evicted = inet_frag_evictor(&net->ipv4.frags, &ip4_frags); |
200 | if (evicted) | 201 | if (evicted) |
201 | IP_ADD_STATS_BH(IPSTATS_MIB_REASMFAILS, evicted); | 202 | IP_ADD_STATS_BH(IPSTATS_MIB_REASMFAILS, evicted); |
202 | } | 203 | } |
@@ -294,7 +295,7 @@ static int ip_frag_reinit(struct ipq *qp) | |||
294 | fp = qp->q.fragments; | 295 | fp = qp->q.fragments; |
295 | do { | 296 | do { |
296 | struct sk_buff *xp = fp->next; | 297 | struct sk_buff *xp = fp->next; |
297 | frag_kfree_skb(fp, NULL); | 298 | frag_kfree_skb(qp->q.net, fp, NULL); |
298 | fp = xp; | 299 | fp = xp; |
299 | } while (fp); | 300 | } while (fp); |
300 | 301 | ||
@@ -431,7 +432,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) | |||
431 | qp->q.fragments = next; | 432 | qp->q.fragments = next; |
432 | 433 | ||
433 | qp->q.meat -= free_it->len; | 434 | qp->q.meat -= free_it->len; |
434 | frag_kfree_skb(free_it, NULL); | 435 | frag_kfree_skb(qp->q.net, free_it, NULL); |
435 | } | 436 | } |
436 | } | 437 | } |
437 | 438 | ||
@@ -451,7 +452,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) | |||
451 | } | 452 | } |
452 | qp->q.stamp = skb->tstamp; | 453 | qp->q.stamp = skb->tstamp; |
453 | qp->q.meat += skb->len; | 454 | qp->q.meat += skb->len; |
454 | atomic_add(skb->truesize, &ip4_frags.mem); | 455 | atomic_add(skb->truesize, &qp->q.net->mem); |
455 | if (offset == 0) | 456 | if (offset == 0) |
456 | qp->q.last_in |= FIRST_IN; | 457 | qp->q.last_in |= FIRST_IN; |
457 | 458 | ||
@@ -534,12 +535,12 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, | |||
534 | head->len -= clone->len; | 535 | head->len -= clone->len; |
535 | clone->csum = 0; | 536 | clone->csum = 0; |
536 | clone->ip_summed = head->ip_summed; | 537 | clone->ip_summed = head->ip_summed; |
537 | atomic_add(clone->truesize, &ip4_frags.mem); | 538 | atomic_add(clone->truesize, &qp->q.net->mem); |
538 | } | 539 | } |
539 | 540 | ||
540 | skb_shinfo(head)->frag_list = head->next; | 541 | skb_shinfo(head)->frag_list = head->next; |
541 | skb_push(head, head->data - skb_network_header(head)); | 542 | skb_push(head, head->data - skb_network_header(head)); |
542 | atomic_sub(head->truesize, &ip4_frags.mem); | 543 | atomic_sub(head->truesize, &qp->q.net->mem); |
543 | 544 | ||
544 | for (fp=head->next; fp; fp = fp->next) { | 545 | for (fp=head->next; fp; fp = fp->next) { |
545 | head->data_len += fp->len; | 546 | head->data_len += fp->len; |
@@ -549,7 +550,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, | |||
549 | else if (head->ip_summed == CHECKSUM_COMPLETE) | 550 | else if (head->ip_summed == CHECKSUM_COMPLETE) |
550 | head->csum = csum_add(head->csum, fp->csum); | 551 | head->csum = csum_add(head->csum, fp->csum); |
551 | head->truesize += fp->truesize; | 552 | head->truesize += fp->truesize; |
552 | atomic_sub(fp->truesize, &ip4_frags.mem); | 553 | atomic_sub(fp->truesize, &qp->q.net->mem); |
553 | } | 554 | } |
554 | 555 | ||
555 | head->next = NULL; | 556 | head->next = NULL; |
@@ -588,8 +589,8 @@ int ip_defrag(struct sk_buff *skb, u32 user) | |||
588 | 589 | ||
589 | net = skb->dev->nd_net; | 590 | net = skb->dev->nd_net; |
590 | /* Start by cleaning up the memory. */ | 591 | /* Start by cleaning up the memory. */ |
591 | if (atomic_read(&ip4_frags.mem) > ip4_frags_ctl.high_thresh) | 592 | if (atomic_read(&net->ipv4.frags.mem) > ip4_frags_ctl.high_thresh) |
592 | ip_evictor(); | 593 | ip_evictor(net); |
593 | 594 | ||
594 | /* Lookup (or create) queue header */ | 595 | /* Lookup (or create) queue header */ |
595 | if ((qp = ip_find(net, ip_hdr(skb), user)) != NULL) { | 596 | if ((qp = ip_find(net, ip_hdr(skb), user)) != NULL) { |