From: Florian Westphal <fw@strlen.de>
To: <netdev@vger.kernel.org>
Cc: Johan Schuijt <johan@transip.nl>,
Frank Schreuder <fschreuder@transip.nl>,
Nikolay Aleksandrov <nikolay@cumulusnetworks.com>,
Florian Westphal <fw@strlen.de>
Subject: [PATCH net 2/4] inet: frag: change *_frag_mem_limit functions to take netns_frags as argument
Date: Thu, 23 Jul 2015 12:05:38 +0200 [thread overview]
Message-ID: <1437645940-7895-3-git-send-email-fw@strlen.de> (raw)
In-Reply-To: <1437645940-7895-1-git-send-email-fw@strlen.de>
Followup patch will call it after inet_frag_queue was freed, so q->net
doesn't work anymore (but netf = q->net; free(q); mem_limit(netf) would).
Tested-by: Frank Schreuder <fschreuder@transip.nl>
Signed-off-by: Florian Westphal <fw@strlen.de>
---
include/net/inet_frag.h | 8 ++++----
net/ieee802154/6lowpan/reassembly.c | 6 +++---
net/ipv4/inet_fragment.c | 4 ++--
net/ipv4/ip_fragment.c | 10 +++++-----
net/ipv6/netfilter/nf_conntrack_reasm.c | 6 +++---
net/ipv6/reassembly.c | 6 +++---
6 files changed, 20 insertions(+), 20 deletions(-)
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 56a3a56..e71ca17 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -141,14 +141,14 @@ static inline int frag_mem_limit(struct netns_frags *nf)
return percpu_counter_read(&nf->mem);
}
-static inline void sub_frag_mem_limit(struct inet_frag_queue *q, int i)
+static inline void sub_frag_mem_limit(struct netns_frags *nf, int i)
{
- __percpu_counter_add(&q->net->mem, -i, frag_percpu_counter_batch);
+ __percpu_counter_add(&nf->mem, -i, frag_percpu_counter_batch);
}
-static inline void add_frag_mem_limit(struct inet_frag_queue *q, int i)
+static inline void add_frag_mem_limit(struct netns_frags *nf, int i)
{
- __percpu_counter_add(&q->net->mem, i, frag_percpu_counter_batch);
+ __percpu_counter_add(&nf->mem, i, frag_percpu_counter_batch);
}
static inline void init_frag_mem_limit(struct netns_frags *nf)
diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c
index f46e4d1..214d44a 100644
--- a/net/ieee802154/6lowpan/reassembly.c
+++ b/net/ieee802154/6lowpan/reassembly.c
@@ -207,7 +207,7 @@ found:
} else {
fq->q.meat += skb->len;
}
- add_frag_mem_limit(&fq->q, skb->truesize);
+ add_frag_mem_limit(fq->q.net, skb->truesize);
if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&
fq->q.meat == fq->q.len) {
@@ -287,7 +287,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev,
clone->data_len = clone->len;
head->data_len -= clone->len;
head->len -= clone->len;
- add_frag_mem_limit(&fq->q, clone->truesize);
+ add_frag_mem_limit(fq->q.net, clone->truesize);
}
WARN_ON(head == NULL);
@@ -310,7 +310,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev,
}
fp = next;
}
- sub_frag_mem_limit(&fq->q, sum_truesize);
+ sub_frag_mem_limit(fq->q.net, sum_truesize);
head->next = NULL;
head->dev = dev;
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 1722348..4473232 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -328,7 +328,7 @@ void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f)
fp = xp;
}
sum = sum_truesize + f->qsize;
- sub_frag_mem_limit(q, sum);
+ sub_frag_mem_limit(q->net, sum);
if (f->destructor)
f->destructor(q);
@@ -388,7 +388,7 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf,
q->net = nf;
f->constructor(q, arg);
- add_frag_mem_limit(q, f->qsize);
+ add_frag_mem_limit(nf, f->qsize);
setup_timer(&q->timer, f->frag_expire, (unsigned long)q);
spin_lock_init(&q->lock);
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 31f71b1..b4a77d02 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -309,7 +309,7 @@ static int ip_frag_reinit(struct ipq *qp)
kfree_skb(fp);
fp = xp;
} while (fp);
- sub_frag_mem_limit(&qp->q, sum_truesize);
+ sub_frag_mem_limit(qp->q.net, sum_truesize);
qp->q.flags = 0;
qp->q.len = 0;
@@ -455,7 +455,7 @@ found:
qp->q.fragments = next;
qp->q.meat -= free_it->len;
- sub_frag_mem_limit(&qp->q, free_it->truesize);
+ sub_frag_mem_limit(qp->q.net, free_it->truesize);
kfree_skb(free_it);
}
}
@@ -479,7 +479,7 @@ found:
qp->q.stamp = skb->tstamp;
qp->q.meat += skb->len;
qp->ecn |= ecn;
- add_frag_mem_limit(&qp->q, skb->truesize);
+ add_frag_mem_limit(qp->q.net, skb->truesize);
if (offset == 0)
qp->q.flags |= INET_FRAG_FIRST_IN;
@@ -587,7 +587,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
head->len -= clone->len;
clone->csum = 0;
clone->ip_summed = head->ip_summed;
- add_frag_mem_limit(&qp->q, clone->truesize);
+ add_frag_mem_limit(qp->q.net, clone->truesize);
}
skb_push(head, head->data - skb_network_header(head));
@@ -615,7 +615,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
}
fp = next;
}
- sub_frag_mem_limit(&qp->q, sum_truesize);
+ sub_frag_mem_limit(qp->q.net, sum_truesize);
head->next = NULL;
head->dev = dev;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 6f187c8..6d02498 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -348,7 +348,7 @@ found:
fq->ecn |= ecn;
if (payload_len > fq->q.max_size)
fq->q.max_size = payload_len;
- add_frag_mem_limit(&fq->q, skb->truesize);
+ add_frag_mem_limit(fq->q.net, skb->truesize);
/* The first fragment.
* nhoffset is obtained from the first fragment, of course.
@@ -430,7 +430,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev)
clone->ip_summed = head->ip_summed;
NFCT_FRAG6_CB(clone)->orig = NULL;
- add_frag_mem_limit(&fq->q, clone->truesize);
+ add_frag_mem_limit(fq->q.net, clone->truesize);
}
/* We have to remove fragment header from datagram and to relocate
@@ -454,7 +454,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev)
head->csum = csum_add(head->csum, fp->csum);
head->truesize += fp->truesize;
}
- sub_frag_mem_limit(&fq->q, head->truesize);
+ sub_frag_mem_limit(fq->q.net, head->truesize);
head->ignore_df = 1;
head->next = NULL;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 8ffa2c8..5c3bbca 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -330,7 +330,7 @@ found:
fq->q.stamp = skb->tstamp;
fq->q.meat += skb->len;
fq->ecn |= ecn;
- add_frag_mem_limit(&fq->q, skb->truesize);
+ add_frag_mem_limit(fq->q.net, skb->truesize);
/* The first fragment.
* nhoffset is obtained from the first fragment, of course.
@@ -443,7 +443,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
head->len -= clone->len;
clone->csum = 0;
clone->ip_summed = head->ip_summed;
- add_frag_mem_limit(&fq->q, clone->truesize);
+ add_frag_mem_limit(fq->q.net, clone->truesize);
}
/* We have to remove fragment header from datagram and to relocate
@@ -481,7 +481,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
}
fp = next;
}
- sub_frag_mem_limit(&fq->q, sum_truesize);
+ sub_frag_mem_limit(fq->q.net, sum_truesize);
head->next = NULL;
head->dev = dev;
--
2.0.5
next prev parent reply other threads:[~2015-07-23 10:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-23 10:05 [PATCH net 0/4] inet: ip defrag bug fixes Florian Westphal
2015-07-23 10:05 ` [PATCH net 1/4] inet: frag: don't re-use chainlist for evictor Florian Westphal
2015-07-23 10:05 ` Florian Westphal [this message]
2015-07-23 10:05 ` [PATCH net 3/4] inet: frag: don't wait for timer deletion when evicting Florian Westphal
2015-07-23 10:05 ` [PATCH net 4/4] inet: frags: remove INET_FRAG_EVICTED and use list_evictor for the test Florian Westphal
2015-07-27 4:00 ` [PATCH net 0/4] inet: ip defrag bug fixes David Miller
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