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Commit 803fdd99 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

net: rename struct fqdir fields 



Rename the @frags fields from structs netns_ipv4, netns_ipv6,
netns_nf_frag and netns_ieee802154_lowpan to @fqdir

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 89fb9005

include/net/netns/ieee802154_6lowpan.h

+1 −1
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ struct netns_sysctl_lowpan { 


struct netns_ieee802154_lowpan {

	struct netns_sysctl_lowpan sysctl;

	struct fqdir	frags;

	struct fqdir		fqdir;

};



#endif

include/net/netns/ipv4.h

+1 −1
Original line number Diff line number Diff line
@@ -72,7 +72,7 @@ struct netns_ipv4 { 


	struct inet_peer_base	*peers;

	struct sock  * __percpu	*tcp_sk;

	struct fqdir	frags;

	struct fqdir		fqdir;

#ifdef CONFIG_NETFILTER

	struct xt_table		*iptable_filter;

	struct xt_table		*iptable_mangle;

include/net/netns/ipv6.h

+2 −2
Original line number Diff line number Diff line
@@ -58,7 +58,7 @@ struct netns_ipv6 { 
	struct ipv6_devconf	*devconf_all;

	struct ipv6_devconf	*devconf_dflt;

	struct inet_peer_base	*peers;

	struct fqdir	frags;

	struct fqdir		fqdir;

#ifdef CONFIG_NETFILTER

	struct xt_table		*ip6table_filter;

	struct xt_table		*ip6table_mangle;
@@ -116,7 +116,7 @@ struct netns_ipv6 { 


#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)

struct netns_nf_frag {

	struct fqdir	frags;

	struct fqdir	fqdir;

};

#endif

net/ieee802154/6lowpan/reassembly.c

+18 −18
Original line number Diff line number Diff line
@@ -79,7 +79,7 @@ fq_find(struct net *net, const struct lowpan_802154_cb *cb, 
	key.src = *src;

	key.dst = *dst;



	q = inet_frag_find(&ieee802154_lowpan->frags, &key);

	q = inet_frag_find(&ieee802154_lowpan->fqdir, &key);

	if (!q)

		return NULL;
@@ -326,23 +326,23 @@ int lowpan_frag_rcv(struct sk_buff *skb, u8 frag_type) 
static struct ctl_table lowpan_frags_ns_ctl_table[] = {

	{

		.procname	= "6lowpanfrag_high_thresh",

		.data		= &init_net.ieee802154_lowpan.frags.high_thresh,

		.data		= &init_net.ieee802154_lowpan.fqdir.high_thresh,

		.maxlen		= sizeof(unsigned long),

		.mode		= 0644,

		.proc_handler	= proc_doulongvec_minmax,

		.extra1		= &init_net.ieee802154_lowpan.frags.low_thresh

		.extra1		= &init_net.ieee802154_lowpan.fqdir.low_thresh

	},

	{

		.procname	= "6lowpanfrag_low_thresh",

		.data		= &init_net.ieee802154_lowpan.frags.low_thresh,

		.data		= &init_net.ieee802154_lowpan.fqdir.low_thresh,

		.maxlen		= sizeof(unsigned long),

		.mode		= 0644,

		.proc_handler	= proc_doulongvec_minmax,

		.extra2		= &init_net.ieee802154_lowpan.frags.high_thresh

		.extra2		= &init_net.ieee802154_lowpan.fqdir.high_thresh

	},

	{

		.procname	= "6lowpanfrag_time",

		.data		= &init_net.ieee802154_lowpan.frags.timeout,

		.data		= &init_net.ieee802154_lowpan.fqdir.timeout,

		.maxlen		= sizeof(int),

		.mode		= 0644,

		.proc_handler	= proc_dointvec_jiffies,
@@ -377,11 +377,11 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net) 
		if (table == NULL)

			goto err_alloc;



		table[0].data = &ieee802154_lowpan->frags.high_thresh;

		table[0].extra1 = &ieee802154_lowpan->frags.low_thresh;

		table[1].data = &ieee802154_lowpan->frags.low_thresh;

		table[1].extra2 = &ieee802154_lowpan->frags.high_thresh;

		table[2].data = &ieee802154_lowpan->frags.timeout;

		table[0].data = &ieee802154_lowpan->fqdir.high_thresh;

		table[0].extra1 = &ieee802154_lowpan->fqdir.low_thresh;

		table[1].data = &ieee802154_lowpan->fqdir.low_thresh;

		table[1].extra2 = &ieee802154_lowpan->fqdir.high_thresh;

		table[2].data = &ieee802154_lowpan->fqdir.timeout;



		/* Don't export sysctls to unprivileged users */

		if (net->user_ns != &init_user_ns)
@@ -454,17 +454,17 @@ static int __net_init lowpan_frags_init_net(struct net *net) 
		net_ieee802154_lowpan(net);

	int res;



	ieee802154_lowpan->frags.high_thresh = IPV6_FRAG_HIGH_THRESH;

	ieee802154_lowpan->frags.low_thresh = IPV6_FRAG_LOW_THRESH;

	ieee802154_lowpan->frags.timeout = IPV6_FRAG_TIMEOUT;

	ieee802154_lowpan->frags.f = &lowpan_frags;

	ieee802154_lowpan->fqdir.high_thresh = IPV6_FRAG_HIGH_THRESH;

	ieee802154_lowpan->fqdir.low_thresh = IPV6_FRAG_LOW_THRESH;

	ieee802154_lowpan->fqdir.timeout = IPV6_FRAG_TIMEOUT;

	ieee802154_lowpan->fqdir.f = &lowpan_frags;



	res = inet_frags_init_net(&ieee802154_lowpan->frags);

	res = inet_frags_init_net(&ieee802154_lowpan->fqdir);

	if (res < 0)

		return res;

	res = lowpan_frags_ns_sysctl_register(net);

	if (res < 0)

		fqdir_exit(&ieee802154_lowpan->frags);

		fqdir_exit(&ieee802154_lowpan->fqdir);

	return res;

}
@@ -474,7 +474,7 @@ static void __net_exit lowpan_frags_exit_net(struct net *net) 
		net_ieee802154_lowpan(net);



	lowpan_frags_ns_sysctl_unregister(net);

	fqdir_exit(&ieee802154_lowpan->frags);

	fqdir_exit(&ieee802154_lowpan->fqdir);

}



static struct pernet_operations lowpan_frags_ops = {

net/ipv4/ip_fragment.c

+26 −26
Original line number Diff line number Diff line
@@ -83,7 +83,7 @@ static void ip4_frag_init(struct inet_frag_queue *q, const void *a) 
{

	struct ipq *qp = container_of(q, struct ipq, q);

	struct netns_ipv4 *ipv4 = container_of(q->fqdir, struct netns_ipv4,

					       frags);

					       fqdir);

	struct net *net = container_of(ipv4, struct net, ipv4);



	const struct frag_v4_compare_key *key = a;
@@ -142,7 +142,7 @@ static void ip_expire(struct timer_list *t) 
	int err;



	qp = container_of(frag, struct ipq, q);

	net = container_of(qp->q.fqdir, struct net, ipv4.frags);

	net = container_of(qp->q.fqdir, struct net, ipv4.fqdir);



	rcu_read_lock();

	spin_lock(&qp->q.lock);
@@ -211,7 +211,7 @@ static struct ipq *ip_find(struct net *net, struct iphdr *iph, 
	};

	struct inet_frag_queue *q;



	q = inet_frag_find(&net->ipv4.frags, &key);

	q = inet_frag_find(&net->ipv4.fqdir, &key);

	if (!q)

		return NULL;
@@ -239,7 +239,7 @@ static int ip_frag_too_far(struct ipq *qp) 
	if (rc) {

		struct net *net;



		net = container_of(qp->q.fqdir, struct net, ipv4.frags);

		net = container_of(qp->q.fqdir, struct net, ipv4.fqdir);

		__IP_INC_STATS(net, IPSTATS_MIB_REASMFAILS);

	}
@@ -273,7 +273,7 @@ static int ip_frag_reinit(struct ipq *qp) 
/* Add new segment to existing queue. */

static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb)

{

	struct net *net = container_of(qp->q.fqdir, struct net, ipv4.frags);

	struct net *net = container_of(qp->q.fqdir, struct net, ipv4.fqdir);

	int ihl, end, flags, offset;

	struct sk_buff *prev_tail;

	struct net_device *dev;
@@ -399,7 +399,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) 
static int ip_frag_reasm(struct ipq *qp, struct sk_buff *skb,

			 struct sk_buff *prev_tail, struct net_device *dev)

{

	struct net *net = container_of(qp->q.fqdir, struct net, ipv4.frags);

	struct net *net = container_of(qp->q.fqdir, struct net, ipv4.fqdir);

	struct iphdr *iph;

	void *reasm_data;

	int len, err;
@@ -544,30 +544,30 @@ static int dist_min; 
static struct ctl_table ip4_frags_ns_ctl_table[] = {

	{

		.procname	= "ipfrag_high_thresh",

		.data		= &init_net.ipv4.frags.high_thresh,

		.data		= &init_net.ipv4.fqdir.high_thresh,

		.maxlen		= sizeof(unsigned long),

		.mode		= 0644,

		.proc_handler	= proc_doulongvec_minmax,

		.extra1		= &init_net.ipv4.frags.low_thresh

		.extra1		= &init_net.ipv4.fqdir.low_thresh

	},

	{

		.procname	= "ipfrag_low_thresh",

		.data		= &init_net.ipv4.frags.low_thresh,

		.data		= &init_net.ipv4.fqdir.low_thresh,

		.maxlen		= sizeof(unsigned long),

		.mode		= 0644,

		.proc_handler	= proc_doulongvec_minmax,

		.extra2		= &init_net.ipv4.frags.high_thresh

		.extra2		= &init_net.ipv4.fqdir.high_thresh

	},

	{

		.procname	= "ipfrag_time",

		.data		= &init_net.ipv4.frags.timeout,

		.data		= &init_net.ipv4.fqdir.timeout,

		.maxlen		= sizeof(int),

		.mode		= 0644,

		.proc_handler	= proc_dointvec_jiffies,

	},

	{

		.procname	= "ipfrag_max_dist",

		.data		= &init_net.ipv4.frags.max_dist,

		.data		= &init_net.ipv4.fqdir.max_dist,

		.maxlen		= sizeof(int),

		.mode		= 0644,

		.proc_handler	= proc_dointvec_minmax,
@@ -600,12 +600,12 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net) 
		if (!table)

			goto err_alloc;



		table[0].data = &net->ipv4.frags.high_thresh;

		table[0].extra1 = &net->ipv4.frags.low_thresh;

		table[1].data = &net->ipv4.frags.low_thresh;

		table[1].extra2 = &net->ipv4.frags.high_thresh;

		table[2].data = &net->ipv4.frags.timeout;

		table[3].data = &net->ipv4.frags.max_dist;

		table[0].data = &net->ipv4.fqdir.high_thresh;

		table[0].extra1 = &net->ipv4.fqdir.low_thresh;

		table[1].data = &net->ipv4.fqdir.low_thresh;

		table[1].extra2 = &net->ipv4.fqdir.high_thresh;

		table[2].data = &net->ipv4.fqdir.timeout;

		table[3].data = &net->ipv4.fqdir.max_dist;

	}



	hdr = register_net_sysctl(net, "net/ipv4", table);
@@ -668,31 +668,31 @@ static int __net_init ipv4_frags_init_net(struct net *net) 
	 * we will prune down to 3MB, making room for approx 8 big 64K

	 * fragments 8x128k.

	 */

	net->ipv4.frags.high_thresh = 4 * 1024 * 1024;

	net->ipv4.frags.low_thresh  = 3 * 1024 * 1024;

	net->ipv4.fqdir.high_thresh = 4 * 1024 * 1024;

	net->ipv4.fqdir.low_thresh  = 3 * 1024 * 1024;

	/*

	 * Important NOTE! Fragment queue must be destroyed before MSL expires.

	 * RFC791 is wrong proposing to prolongate timer each fragment arrival

	 * by TTL.

	 */

	net->ipv4.frags.timeout = IP_FRAG_TIME;

	net->ipv4.fqdir.timeout = IP_FRAG_TIME;



	net->ipv4.frags.max_dist = 64;

	net->ipv4.frags.f = &ip4_frags;

	net->ipv4.fqdir.max_dist = 64;

	net->ipv4.fqdir.f = &ip4_frags;



	res = inet_frags_init_net(&net->ipv4.frags);

	res = inet_frags_init_net(&net->ipv4.fqdir);

	if (res < 0)

		return res;

	res = ip4_frags_ns_ctl_register(net);

	if (res < 0)

		fqdir_exit(&net->ipv4.frags);

		fqdir_exit(&net->ipv4.fqdir);

	return res;

}



static void __net_exit ipv4_frags_exit_net(struct net *net)

{

	ip4_frags_ns_ctl_unregister(net);

	fqdir_exit(&net->ipv4.frags);

	fqdir_exit(&net->ipv4.fqdir);

}



static struct pernet_operations ip4_frags_ops = {