From 50c3a487d507568359ccbce1b15bcdfc01edf7ef Mon Sep 17 00:00:00 2001
From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Date: Tue, 22 Jan 2013 06:32:49 +0000
Subject: ipv4: Use IS_ERR_OR_NULL().

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/udp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'net/ipv4/udp.c')

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 79c8dbe59b54..cf6158f1f46b 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -971,7 +971,7 @@ back_from_confirm:
 				  sizeof(struct udphdr), &ipc, &rt,
 				  msg->msg_flags);
 		err = PTR_ERR(skb);
-		if (skb && !IS_ERR(skb))
+		if (!IS_ERR_OR_NULL(skb))
 			err = udp_send_skb(skb, fl4);
 		goto out;
 	}
-- 
cgit v1.2.3


From ba418fa357a7b3c9d477f4706c6c7c96ddbd1360 Mon Sep 17 00:00:00 2001
From: Tom Herbert <therbert@google.com>
Date: Tue, 22 Jan 2013 09:50:32 +0000
Subject: soreuseport: UDP/IPv4 implementation
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Allow multiple UDP sockets to bind to the same port.

Motivation soreuseport would be something like a DNS server.  An
alternative would be to recv on the same socket from multiple threads.
As in the case of TCP, the load across these threads tends to be
disproportionate and we also see a lot of contection on the socketlock.
Note that SO_REUSEADDR already allows multiple UDP sockets to bind to
the same port, however there is no provision to prevent hijacking and
nothing to distribute packets across all the sockets sharing the same
bound port.  This patch does not change the semantics of SO_REUSEADDR,
but provides usable functionality of it for unicast.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/udp.c | 61 +++++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 43 insertions(+), 18 deletions(-)

(limited to 'net/ipv4/udp.c')

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cf6158f1f46b..e0610e4b5158 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -139,6 +139,7 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
 {
 	struct sock *sk2;
 	struct hlist_nulls_node *node;
+	kuid_t uid = sock_i_uid(sk);
 
 	sk_nulls_for_each(sk2, node, &hslot->head)
 		if (net_eq(sock_net(sk2), net) &&
@@ -147,6 +148,8 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
 		    (!sk2->sk_reuse || !sk->sk_reuse) &&
 		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if ||
 		     sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
+		    (!sk2->sk_reuseport || !sk->sk_reuseport ||
+		      !uid_eq(uid, sock_i_uid(sk2))) &&
 		    (*saddr_comp)(sk, sk2)) {
 			if (bitmap)
 				__set_bit(udp_sk(sk2)->udp_port_hash >> log,
@@ -169,6 +172,7 @@ static int udp_lib_lport_inuse2(struct net *net, __u16 num,
 {
 	struct sock *sk2;
 	struct hlist_nulls_node *node;
+	kuid_t uid = sock_i_uid(sk);
 	int res = 0;
 
 	spin_lock(&hslot2->lock);
@@ -179,6 +183,8 @@ static int udp_lib_lport_inuse2(struct net *net, __u16 num,
 		    (!sk2->sk_reuse || !sk->sk_reuse) &&
 		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if ||
 		     sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
+		    (!sk2->sk_reuseport || !sk->sk_reuseport ||
+		      !uid_eq(uid, sock_i_uid(sk2))) &&
 		    (*saddr_comp)(sk, sk2)) {
 			res = 1;
 			break;
@@ -337,26 +343,26 @@ static inline int compute_score(struct sock *sk, struct net *net, __be32 saddr,
 			!ipv6_only_sock(sk)) {
 		struct inet_sock *inet = inet_sk(sk);
 
-		score = (sk->sk_family == PF_INET ? 1 : 0);
+		score = (sk->sk_family == PF_INET ? 2 : 1);
 		if (inet->inet_rcv_saddr) {
 			if (inet->inet_rcv_saddr != daddr)
 				return -1;
-			score += 2;
+			score += 4;
 		}
 		if (inet->inet_daddr) {
 			if (inet->inet_daddr != saddr)
 				return -1;
-			score += 2;
+			score += 4;
 		}
 		if (inet->inet_dport) {
 			if (inet->inet_dport != sport)
 				return -1;
-			score += 2;
+			score += 4;
 		}
 		if (sk->sk_bound_dev_if) {
 			if (sk->sk_bound_dev_if != dif)
 				return -1;
-			score += 2;
+			score += 4;
 		}
 	}
 	return score;
@@ -365,7 +371,6 @@ static inline int compute_score(struct sock *sk, struct net *net, __be32 saddr,
 /*
  * In this second variant, we check (daddr, dport) matches (inet_rcv_sadd, inet_num)
  */
-#define SCORE2_MAX (1 + 2 + 2 + 2)
 static inline int compute_score2(struct sock *sk, struct net *net,
 				 __be32 saddr, __be16 sport,
 				 __be32 daddr, unsigned int hnum, int dif)
@@ -380,21 +385,21 @@ static inline int compute_score2(struct sock *sk, struct net *net,
 		if (inet->inet_num != hnum)
 			return -1;
 
-		score = (sk->sk_family == PF_INET ? 1 : 0);
+		score = (sk->sk_family == PF_INET ? 2 : 1);
 		if (inet->inet_daddr) {
 			if (inet->inet_daddr != saddr)
 				return -1;
-			score += 2;
+			score += 4;
 		}
 		if (inet->inet_dport) {
 			if (inet->inet_dport != sport)
 				return -1;
-			score += 2;
+			score += 4;
 		}
 		if (sk->sk_bound_dev_if) {
 			if (sk->sk_bound_dev_if != dif)
 				return -1;
-			score += 2;
+			score += 4;
 		}
 	}
 	return score;
@@ -409,19 +414,29 @@ static struct sock *udp4_lib_lookup2(struct net *net,
 {
 	struct sock *sk, *result;
 	struct hlist_nulls_node *node;
-	int score, badness;
+	int score, badness, matches = 0, reuseport = 0;
+	u32 hash = 0;
 
 begin:
 	result = NULL;
-	badness = -1;
+	badness = 0;
 	udp_portaddr_for_each_entry_rcu(sk, node, &hslot2->head) {
 		score = compute_score2(sk, net, saddr, sport,
 				      daddr, hnum, dif);
 		if (score > badness) {
 			result = sk;
 			badness = score;
-			if (score == SCORE2_MAX)
-				goto exact_match;
+			reuseport = sk->sk_reuseport;
+			if (reuseport) {
+				hash = inet_ehashfn(net, daddr, hnum,
+						    saddr, htons(sport));
+				matches = 1;
+			}
+		} else if (score == badness && reuseport) {
+			matches++;
+			if (((u64)hash * matches) >> 32 == 0)
+				result = sk;
+			hash = next_pseudo_random32(hash);
 		}
 	}
 	/*
@@ -431,9 +446,7 @@ begin:
 	 */
 	if (get_nulls_value(node) != slot2)
 		goto begin;
-
 	if (result) {
-exact_match:
 		if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
 			result = NULL;
 		else if (unlikely(compute_score2(result, net, saddr, sport,
@@ -457,7 +470,8 @@ struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
 	unsigned short hnum = ntohs(dport);
 	unsigned int hash2, slot2, slot = udp_hashfn(net, hnum, udptable->mask);
 	struct udp_hslot *hslot2, *hslot = &udptable->hash[slot];
-	int score, badness;
+	int score, badness, matches = 0, reuseport = 0;
+	u32 hash = 0;
 
 	rcu_read_lock();
 	if (hslot->count > 10) {
@@ -486,13 +500,24 @@ struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
 	}
 begin:
 	result = NULL;
-	badness = -1;
+	badness = 0;
 	sk_nulls_for_each_rcu(sk, node, &hslot->head) {
 		score = compute_score(sk, net, saddr, hnum, sport,
 				      daddr, dport, dif);
 		if (score > badness) {
 			result = sk;
 			badness = score;
+			reuseport = sk->sk_reuseport;
+			if (reuseport) {
+				hash = inet_ehashfn(net, daddr, hnum,
+						    saddr, htons(sport));
+				matches = 1;
+			}
+		} else if (score == badness && reuseport) {
+			matches++;
+			if (((u64)hash * matches) >> 32 == 0)
+				result = sk;
+			hash = next_pseudo_random32(hash);
 		}
 	}
 	/*
-- 
cgit v1.2.3


From 68c331631143f5f039baac99a650e0b9e1ea02b6 Mon Sep 17 00:00:00 2001
From: Pravin B Shelar <pshelar@nicira.com>
Date: Thu, 14 Feb 2013 14:02:41 +0000
Subject: v4 GRE: Add TCP segmentation offload for GRE

Following patch adds GRE protocol offload handler so that
skb_gso_segment() can segment GRE packets.
SKB GSO CB is added to keep track of total header length so that
skb_segment can push entire header. e.g. in case of GRE, skb_segment
need to push inner and outer headers to every segment.
New NETIF_F_GRE_GSO feature is added for devices which support HW
GRE TSO offload. Currently none of devices support it therefore GRE GSO
always fall backs to software GSO.

[ Compute pkt_len before ip_local_out() invocation. -DaveM ]

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdev_features.h |   3 +-
 include/linux/skbuff.h          |  17 ++++++
 net/core/dev.c                  |   1 +
 net/core/ethtool.c              |   1 +
 net/core/skbuff.c               |   6 +-
 net/ipv4/af_inet.c              |   1 +
 net/ipv4/gre.c                  | 118 ++++++++++++++++++++++++++++++++++++++++
 net/ipv4/ip_gre.c               |  82 +++++++++++++++++++++++++---
 net/ipv4/tcp.c                  |   1 +
 net/ipv4/udp.c                  |   3 +-
 net/ipv6/ip6_offload.c          |   1 +
 net/ipv6/udp_offload.c          |   3 +-
 12 files changed, 226 insertions(+), 11 deletions(-)

(limited to 'net/ipv4/udp.c')

diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 5ac32123035a..3dd39340430e 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -41,7 +41,7 @@ enum {
 	NETIF_F_TSO_ECN_BIT,		/* ... TCP ECN support */
 	NETIF_F_TSO6_BIT,		/* ... TCPv6 segmentation */
 	NETIF_F_FSO_BIT,		/* ... FCoE segmentation */
-	NETIF_F_GSO_RESERVED1,		/* ... free (fill GSO_MASK to 8 bits) */
+	NETIF_F_GSO_GRE_BIT,		/* ... GRE with TSO */
 	/**/NETIF_F_GSO_LAST,		/* [can't be last bit, see GSO_MASK] */
 	NETIF_F_GSO_RESERVED2		/* ... free (fill GSO_MASK to 8 bits) */
 		= NETIF_F_GSO_LAST,
@@ -102,6 +102,7 @@ enum {
 #define NETIF_F_VLAN_CHALLENGED	__NETIF_F(VLAN_CHALLENGED)
 #define NETIF_F_RXFCS		__NETIF_F(RXFCS)
 #define NETIF_F_RXALL		__NETIF_F(RXALL)
+#define NETIF_F_GRE_GSO		__NETIF_F(GSO_GRE)
 
 /* Features valid for ethtool to change */
 /* = all defined minus driver/device-class-related */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index ca6ee7d93edb..821c7f45d2a7 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -314,6 +314,8 @@ enum {
 	SKB_GSO_TCPV6 = 1 << 4,
 
 	SKB_GSO_FCOE = 1 << 5,
+
+	SKB_GSO_GRE = 1 << 6,
 };
 
 #if BITS_PER_LONG > 32
@@ -2732,6 +2734,21 @@ static inline struct sec_path *skb_sec_path(struct sk_buff *skb)
 }
 #endif
 
+/* Keeps track of mac header offset relative to skb->head.
+ * It is useful for TSO of Tunneling protocol. e.g. GRE.
+ * For non-tunnel skb it points to skb_mac_header() and for
+ * tunnel skb it points to outer mac header. */
+struct skb_gso_cb {
+	int mac_offset;
+};
+#define SKB_GSO_CB(skb) ((struct skb_gso_cb *)(skb)->cb)
+
+static inline int skb_tnl_header_len(const struct sk_buff *inner_skb)
+{
+	return (skb_mac_header(inner_skb) - inner_skb->head) -
+		SKB_GSO_CB(inner_skb)->mac_offset;
+}
+
 static inline bool skb_is_gso(const struct sk_buff *skb)
 {
 	return skb_shinfo(skb)->gso_size;
diff --git a/net/core/dev.c b/net/core/dev.c
index 67deae60214c..1cd6297fd34b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2413,6 +2413,7 @@ struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
 			return ERR_PTR(err);
 	}
 
+	SKB_GSO_CB(skb)->mac_offset = skb_headroom(skb);
 	skb_reset_mac_header(skb);
 	skb_reset_mac_len(skb);
 
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index d9d55209db67..3e9b2c3e30f0 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -77,6 +77,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
 	[NETIF_F_TSO_ECN_BIT] =          "tx-tcp-ecn-segmentation",
 	[NETIF_F_TSO6_BIT] =             "tx-tcp6-segmentation",
 	[NETIF_F_FSO_BIT] =              "tx-fcoe-segmentation",
+	[NETIF_F_GSO_GRE_BIT] =		 "tx-gre-segmentation",
 
 	[NETIF_F_FCOE_CRC_BIT] =         "tx-checksum-fcoe-crc",
 	[NETIF_F_SCTP_CSUM_BIT] =        "tx-checksum-sctp",
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 6c1ad09f8796..2a3ca33c30aa 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2738,6 +2738,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features)
 	unsigned int mss = skb_shinfo(skb)->gso_size;
 	unsigned int doffset = skb->data - skb_mac_header(skb);
 	unsigned int offset = doffset;
+	unsigned int tnl_hlen = skb_tnl_header_len(skb);
 	unsigned int headroom;
 	unsigned int len;
 	int sg = !!(features & NETIF_F_SG);
@@ -2814,7 +2815,10 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features)
 		skb_set_network_header(nskb, skb->mac_len);
 		nskb->transport_header = (nskb->network_header +
 					  skb_network_header_len(skb));
-		skb_copy_from_linear_data(skb, nskb->data, doffset);
+
+		skb_copy_from_linear_data_offset(skb, -tnl_hlen,
+						 nskb->data - tnl_hlen,
+						 doffset + tnl_hlen);
 
 		if (fskb != skb_shinfo(skb)->frag_list)
 			continue;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index e6e5d8506336..e225a4e5b572 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1287,6 +1287,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
 		       SKB_GSO_UDP |
 		       SKB_GSO_DODGY |
 		       SKB_GSO_TCP_ECN |
+		       SKB_GSO_GRE |
 		       0)))
 		goto out;
 
diff --git a/net/ipv4/gre.c b/net/ipv4/gre.c
index 42a491055c76..7a4c710c4cdd 100644
--- a/net/ipv4/gre.c
+++ b/net/ipv4/gre.c
@@ -19,6 +19,7 @@
 #include <linux/in.h>
 #include <linux/ip.h>
 #include <linux/netdevice.h>
+#include <linux/if_tunnel.h>
 #include <linux/spinlock.h>
 #include <net/protocol.h>
 #include <net/gre.h>
@@ -26,6 +27,11 @@
 
 static const struct gre_protocol __rcu *gre_proto[GREPROTO_MAX] __read_mostly;
 static DEFINE_SPINLOCK(gre_proto_lock);
+struct gre_base_hdr {
+	__be16 flags;
+	__be16 protocol;
+};
+#define GRE_HEADER_SECTION 4
 
 int gre_add_protocol(const struct gre_protocol *proto, u8 version)
 {
@@ -112,12 +118,117 @@ static void gre_err(struct sk_buff *skb, u32 info)
 	rcu_read_unlock();
 }
 
+static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
+				       netdev_features_t features)
+{
+	struct sk_buff *segs = ERR_PTR(-EINVAL);
+	netdev_features_t enc_features;
+	int ghl = GRE_HEADER_SECTION;
+	struct gre_base_hdr *greh;
+	int mac_len = skb->mac_len;
+	int tnl_hlen;
+	bool csum;
+
+	if (unlikely(skb_shinfo(skb)->gso_type &
+				~(SKB_GSO_TCPV4 |
+				  SKB_GSO_TCPV6 |
+				  SKB_GSO_UDP |
+				  SKB_GSO_DODGY |
+				  SKB_GSO_TCP_ECN |
+				  SKB_GSO_GRE)))
+		goto out;
+
+	if (unlikely(!pskb_may_pull(skb, sizeof(*greh))))
+		goto out;
+
+	greh = (struct gre_base_hdr *)skb_transport_header(skb);
+
+	if (greh->flags & GRE_KEY)
+		ghl += GRE_HEADER_SECTION;
+	if (greh->flags & GRE_SEQ)
+		ghl += GRE_HEADER_SECTION;
+	if (greh->flags & GRE_CSUM) {
+		ghl += GRE_HEADER_SECTION;
+		csum = true;
+	} else
+		csum = false;
+
+	/* setup inner skb. */
+	if (greh->protocol == htons(ETH_P_TEB)) {
+		struct ethhdr *eth = eth_hdr(skb);
+		skb->protocol = eth->h_proto;
+	} else {
+		skb->protocol = greh->protocol;
+	}
+
+	skb->encapsulation = 0;
+
+	if (unlikely(!pskb_may_pull(skb, ghl)))
+		goto out;
+	__skb_pull(skb, ghl);
+	skb_reset_mac_header(skb);
+	skb_set_network_header(skb, skb_inner_network_offset(skb));
+	skb->mac_len = skb_inner_network_offset(skb);
+
+	/* segment inner packet. */
+	enc_features = skb->dev->hw_enc_features & netif_skb_features(skb);
+	segs = skb_mac_gso_segment(skb, enc_features);
+	if (!segs || IS_ERR(segs))
+		goto out;
+
+	skb = segs;
+	tnl_hlen = skb_tnl_header_len(skb);
+	do {
+		__skb_push(skb, ghl);
+		if (csum) {
+			__be32 *pcsum;
+
+			if (skb_has_shared_frag(skb)) {
+				int err;
+
+				err = __skb_linearize(skb);
+				if (err) {
+					kfree_skb(segs);
+					segs = ERR_PTR(err);
+					goto out;
+				}
+			}
+
+			greh = (struct gre_base_hdr *)(skb->data);
+			pcsum = (__be32 *)(greh + 1);
+			*pcsum = 0;
+			*(__sum16 *)pcsum = csum_fold(skb_checksum(skb, 0, skb->len, 0));
+		}
+		__skb_push(skb, tnl_hlen - ghl);
+
+		skb_reset_mac_header(skb);
+		skb_set_network_header(skb, mac_len);
+		skb->mac_len = mac_len;
+	} while ((skb = skb->next));
+out:
+	return segs;
+}
+
+static int gre_gso_send_check(struct sk_buff *skb)
+{
+	if (!skb->encapsulation)
+		return -EINVAL;
+	return 0;
+}
+
 static const struct net_protocol net_gre_protocol = {
 	.handler     = gre_rcv,
 	.err_handler = gre_err,
 	.netns_ok    = 1,
 };
 
+static const struct net_offload gre_offload = {
+	.callbacks = {
+		.gso_send_check =	gre_gso_send_check,
+		.gso_segment    =	gre_gso_segment,
+	},
+};
+
 static int __init gre_init(void)
 {
 	pr_info("GRE over IPv4 demultiplexor driver\n");
@@ -127,11 +238,18 @@ static int __init gre_init(void)
 		return -EAGAIN;
 	}
 
+	if (inet_add_offload(&gre_offload, IPPROTO_GRE)) {
+		pr_err("can't add protocol offload\n");
+		inet_del_protocol(&net_gre_protocol, IPPROTO_GRE);
+		return -EAGAIN;
+	}
+
 	return 0;
 }
 
 static void __exit gre_exit(void)
 {
+	inet_del_offload(&gre_offload, IPPROTO_GRE);
 	inet_del_protocol(&net_gre_protocol, IPPROTO_GRE);
 }
 
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 00a14b9864ea..a56f1182c176 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -735,8 +735,33 @@ drop:
 	return 0;
 }
 
+static struct sk_buff *handle_offloads(struct sk_buff *skb)
+{
+	int err;
+
+	if (skb_is_gso(skb)) {
+		err = skb_unclone(skb, GFP_ATOMIC);
+		if (unlikely(err))
+			goto error;
+		skb_shinfo(skb)->gso_type |= SKB_GSO_GRE;
+		return skb;
+	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		err = skb_checksum_help(skb);
+		if (unlikely(err))
+			goto error;
+	}
+	skb->ip_summed = CHECKSUM_NONE;
+
+	return skb;
+
+error:
+	kfree_skb(skb);
+	return ERR_PTR(err);
+}
+
 static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 {
+	struct pcpu_tstats *tstats = this_cpu_ptr(dev->tstats);
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 	const struct iphdr  *old_iph;
 	const struct iphdr  *tiph;
@@ -751,10 +776,19 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 	__be32 dst;
 	int    mtu;
 	u8     ttl;
+	int    err;
+	int    pkt_len;
 
-	if (skb->ip_summed == CHECKSUM_PARTIAL &&
-	    skb_checksum_help(skb))
-		goto tx_error;
+	skb = handle_offloads(skb);
+	if (IS_ERR(skb)) {
+		dev->stats.tx_dropped++;
+		return NETDEV_TX_OK;
+	}
+
+	if (!skb->encapsulation) {
+		skb_reset_inner_headers(skb);
+		skb->encapsulation = 1;
+	}
 
 	old_iph = ip_hdr(skb);
 
@@ -855,7 +889,8 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 	if (skb->protocol == htons(ETH_P_IP)) {
 		df |= (old_iph->frag_off&htons(IP_DF));
 
-		if ((old_iph->frag_off&htons(IP_DF)) &&
+		if (!skb_is_gso(skb) &&
+		    (old_iph->frag_off&htons(IP_DF)) &&
 		    mtu < ntohs(old_iph->tot_len)) {
 			icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
 			ip_rt_put(rt);
@@ -875,7 +910,9 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			}
 		}
 
-		if (mtu >= IPV6_MIN_MTU && mtu < skb->len - tunnel->hlen + gre_hlen) {
+		if (!skb_is_gso(skb) &&
+		    mtu >= IPV6_MIN_MTU &&
+		    mtu < skb->len - tunnel->hlen + gre_hlen) {
 			icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
 			ip_rt_put(rt);
 			goto tx_error;
@@ -936,6 +973,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 	iph->daddr		=	fl4.daddr;
 	iph->saddr		=	fl4.saddr;
 	iph->ttl		=	ttl;
+	iph->id			=	0;
 
 	if (ttl == 0) {
 		if (skb->protocol == htons(ETH_P_IP))
@@ -964,9 +1002,19 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			*ptr = tunnel->parms.o_key;
 			ptr--;
 		}
-		if (tunnel->parms.o_flags&GRE_CSUM) {
+		/* Skip GRE checksum if skb is getting offloaded. */
+		if (!(skb_shinfo(skb)->gso_type & SKB_GSO_GRE) &&
+		    (tunnel->parms.o_flags&GRE_CSUM)) {
 			int offset = skb_transport_offset(skb);
 
+			if (skb_has_shared_frag(skb)) {
+				err = __skb_linearize(skb);
+				if (err) {
+					ip_rt_put(rt);
+					goto tx_error;
+				}
+			}
+
 			*ptr = 0;
 			*(__sum16 *)ptr = csum_fold(skb_checksum(skb, offset,
 								 skb->len - offset,
@@ -974,7 +1022,19 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 		}
 	}
 
-	iptunnel_xmit(skb, dev);
+	nf_reset(skb);
+
+	pkt_len = skb->len - skb_transport_offset(skb);
+	err = ip_local_out(skb);
+	if (likely(net_xmit_eval(err) == 0)) {
+		u64_stats_update_begin(&tstats->syncp);
+		tstats->tx_bytes += pkt_len;
+		tstats->tx_packets++;
+		u64_stats_update_end(&tstats->syncp);
+	} else {
+		dev->stats.tx_errors++;
+		dev->stats.tx_aborted_errors++;
+	}
 	return NETDEV_TX_OK;
 
 #if IS_ENABLED(CONFIG_IPV6)
@@ -1044,6 +1104,11 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev)
 		mtu = 68;
 
 	tunnel->hlen = addend;
+	/* TCP offload with GRE SEQ is not supported. */
+	if (!(tunnel->parms.o_flags & GRE_SEQ)) {
+		dev->features		|= NETIF_F_GSO_SOFTWARE;
+		dev->hw_features	|= NETIF_F_GSO_SOFTWARE;
+	}
 
 	return mtu;
 }
@@ -1593,6 +1658,9 @@ static void ipgre_tap_setup(struct net_device *dev)
 
 	dev->iflink		= 0;
 	dev->features		|= NETIF_F_NETNS_LOCAL;
+
+	dev->features		|= GRE_FEATURES;
+	dev->hw_features	|= GRE_FEATURES;
 }
 
 static int ipgre_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[],
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 1f0bedb8622f..7a5ba48c2cc9 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3043,6 +3043,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb,
 			       SKB_GSO_DODGY |
 			       SKB_GSO_TCP_ECN |
 			       SKB_GSO_TCPV6 |
+			       SKB_GSO_GRE |
 			       0) ||
 			     !(type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6))))
 			goto out;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 6791aac06ea9..39a5e7a9a77f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2305,7 +2305,8 @@ struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb,
 		/* Packet is from an untrusted source, reset gso_segs. */
 		int type = skb_shinfo(skb)->gso_type;
 
-		if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY) ||
+		if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY |
+				      SKB_GSO_GRE) ||
 			     !(type & (SKB_GSO_UDP))))
 			goto out;
 
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index f26f0da7f095..8234c1dcdf72 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -99,6 +99,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
 		     ~(SKB_GSO_UDP |
 		       SKB_GSO_DODGY |
 		       SKB_GSO_TCP_ECN |
+		       SKB_GSO_GRE |
 		       SKB_GSO_TCPV6 |
 		       0)))
 		goto out;
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 0c8934a317c2..cf05cf073c51 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -56,7 +56,8 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
 		/* Packet is from an untrusted source, reset gso_segs. */
 		int type = skb_shinfo(skb)->gso_type;
 
-		if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY) ||
+		if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY |
+				      SKB_GSO_GRE) ||
 			     !(type & (SKB_GSO_UDP))))
 			goto out;
 
-- 
cgit v1.2.3


From ece31ffd539e8e2b586b1ca5f50bc4f4591e3893 Mon Sep 17 00:00:00 2001
From: Gao feng <gaofeng@cn.fujitsu.com>
Date: Mon, 18 Feb 2013 01:34:56 +0000
Subject: net: proc: change proc_net_remove to remove_proc_entry

proc_net_remove is only used to remove proc entries
that under /proc/net,it's not a general function for
removing proc entries of netns. if we want to remove
some proc entries which under /proc/net/stat/, we still
need to call remove_proc_entry.

this patch use remove_proc_entry to replace proc_net_remove.
we can remove proc_net_remove after this patch.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/connector/connector.c                         |  2 +-
 drivers/net/hamradio/bpqether.c                       |  2 +-
 drivers/net/hamradio/scc.c                            |  2 +-
 drivers/net/hamradio/yam.c                            |  2 +-
 drivers/net/ppp/pppoe.c                               |  2 +-
 net/8021q/vlanproc.c                                  |  2 +-
 net/atm/proc.c                                        |  2 +-
 net/ax25/af_ax25.c                                    |  6 +++---
 net/bluetooth/af_bluetooth.c                          |  2 +-
 net/can/bcm.c                                         |  2 +-
 net/can/proc.c                                        |  2 +-
 net/core/dev.c                                        | 12 ++++++------
 net/core/dev_addr_lists.c                             |  2 +-
 net/core/pktgen.c                                     |  4 ++--
 net/core/sock.c                                       |  2 +-
 net/dccp/probe.c                                      |  4 ++--
 net/decnet/af_decnet.c                                |  2 +-
 net/decnet/dn_dev.c                                   |  2 +-
 net/decnet/dn_neigh.c                                 |  2 +-
 net/decnet/dn_route.c                                 |  2 +-
 net/ipv4/arp.c                                        |  2 +-
 net/ipv4/fib_trie.c                                   | 10 +++++-----
 net/ipv4/igmp.c                                       |  6 +++---
 net/ipv4/ipmr.c                                       |  6 +++---
 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c |  8 ++++----
 net/ipv4/ping.c                                       |  2 +-
 net/ipv4/proc.c                                       | 10 +++++-----
 net/ipv4/raw.c                                        |  2 +-
 net/ipv4/tcp_ipv4.c                                   |  2 +-
 net/ipv4/tcp_probe.c                                  |  4 ++--
 net/ipv4/udp.c                                        |  2 +-
 net/ipv6/addrconf.c                                   |  2 +-
 net/ipv6/anycast.c                                    |  2 +-
 net/ipv6/ip6_flowlabel.c                              |  2 +-
 net/ipv6/ip6mr.c                                      |  6 +++---
 net/ipv6/mcast.c                                      |  6 +++---
 net/ipv6/proc.c                                       | 10 +++++-----
 net/ipv6/raw.c                                        |  2 +-
 net/ipv6/route.c                                      |  4 ++--
 net/key/af_key.c                                      |  2 +-
 net/l2tp/l2tp_ppp.c                                   |  2 +-
 net/netfilter/ipvs/ip_vs_app.c                        |  2 +-
 net/netfilter/ipvs/ip_vs_conn.c                       |  4 ++--
 net/netfilter/ipvs/ip_vs_ctl.c                        |  6 +++---
 net/netfilter/nf_conntrack_expect.c                   |  2 +-
 net/netfilter/nf_conntrack_standalone.c               |  4 ++--
 net/netfilter/x_tables.c                              | 10 +++++-----
 net/netfilter/xt_hashlimit.c                          |  6 +++---
 net/netfilter/xt_recent.c                             |  2 +-
 net/netlink/af_netlink.c                              |  2 +-
 net/netrom/af_netrom.c                                |  6 +++---
 net/packet/af_packet.c                                |  2 +-
 net/phonet/pn_dev.c                                   |  4 ++--
 net/rose/af_rose.c                                    |  8 ++++----
 net/rxrpc/af_rxrpc.c                                  |  4 ++--
 net/sched/sch_api.c                                   |  2 +-
 net/sctp/probe.c                                      |  4 ++--
 net/unix/af_unix.c                                    |  2 +-
 net/wireless/wext-proc.c                              |  2 +-
 net/xfrm/xfrm_proc.c                                  |  2 +-
 60 files changed, 112 insertions(+), 112 deletions(-)

(limited to 'net/ipv4/udp.c')

diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index ed17a57ab3cb..f1b7e244bfc1 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -287,7 +287,7 @@ static void cn_fini(void)
 
 	cn_already_initialized = 0;
 
-	proc_net_remove(&init_net, "connector");
+	remove_proc_entry("connector", init_net.proc_net);
 
 	cn_queue_free_dev(dev->cbdev);
 	netlink_kernel_release(dev->nls);
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index 61f28842163d..02de6c891670 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -611,7 +611,7 @@ static void __exit bpq_cleanup_driver(void)
 
 	unregister_netdevice_notifier(&bpq_dev_notifier);
 
-	proc_net_remove(&init_net, "bpqether");
+	remove_proc_entry("bpqether", init_net.proc_net);
 
 	rtnl_lock();
 	while (!list_empty(&bpq_devices)) {
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index cab13f4d2942..bc1d52170389 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -2173,7 +2173,7 @@ static void __exit scc_cleanup_driver(void)
 	if (Vector_Latch)
 		release_region(Vector_Latch, 1);
 
-	proc_net_remove(&init_net, "z8530drv");
+	remove_proc_entry("z8530drv", init_net.proc_net);
 }
 
 MODULE_AUTHOR("Joerg Reuter <jreuter@yaina.de>");
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 92847d27b2e8..4cf8f1017aad 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -1199,7 +1199,7 @@ static void __exit yam_cleanup_driver(void)
 		kfree(p);
 	}
 
-	proc_net_remove(&init_net, "yam");
+	remove_proc_entry("yam", init_net.proc_net);
 }
 
 /* --------------------------------------------------------------------- */
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index d7fa96c42ae7..bb07ba94c3aa 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -1145,7 +1145,7 @@ static __net_init int pppoe_init_net(struct net *net)
 
 static __net_exit void pppoe_exit_net(struct net *net)
 {
-	proc_net_remove(net, "pppoe");
+	remove_proc_entry("pppoe", net->proc_net);
 }
 
 static struct pernet_operations pppoe_net_ops = {
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 4de77ea5fa37..dc526ec965e4 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -131,7 +131,7 @@ void vlan_proc_cleanup(struct net *net)
 		remove_proc_entry(name_conf, vn->proc_vlan_dir);
 
 	if (vn->proc_vlan_dir)
-		proc_net_remove(net, name_root);
+		remove_proc_entry(name_root, net->proc_net);
 
 	/* Dynamically added entries should be cleaned up as their vlan_device
 	 * is removed, so we should not have to take care of it here...
diff --git a/net/atm/proc.c b/net/atm/proc.c
index 0d020de8d233..b4e75340b162 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -460,7 +460,7 @@ static void atm_proc_dirs_remove(void)
 		if (e->dirent)
 			remove_proc_entry(e->name, atm_proc_root);
 	}
-	proc_net_remove(&init_net, "atm");
+	remove_proc_entry("atm", init_net.proc_net);
 }
 
 int __init atm_proc_init(void)
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index b6ccbea3477e..69a06c47b648 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -2009,9 +2009,9 @@ MODULE_ALIAS_NETPROTO(PF_AX25);
 
 static void __exit ax25_exit(void)
 {
-	proc_net_remove(&init_net, "ax25_route");
-	proc_net_remove(&init_net, "ax25");
-	proc_net_remove(&init_net, "ax25_calls");
+	remove_proc_entry("ax25_route", init_net.proc_net);
+	remove_proc_entry("ax25", init_net.proc_net);
+	remove_proc_entry("ax25_calls", init_net.proc_net);
 
 	unregister_netdevice_notifier(&ax25_dev_notifier);
 
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 8412b637407b..d3ee69b35a78 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -652,7 +652,7 @@ int bt_procfs_init(struct module* module, struct net *net, const char *name,
 
 void bt_procfs_cleanup(struct net *net, const char *name)
 {
-	proc_net_remove(net, name);
+	remove_proc_entry(name, net->proc_net);
 }
 #else
 int bt_procfs_init(struct module* module, struct net *net, const char *name,
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 28e12d18f0f1..5dcb20076f39 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1633,7 +1633,7 @@ static void __exit bcm_module_exit(void)
 	can_proto_unregister(&bcm_can_proto);
 
 	if (proc_dir)
-		proc_net_remove(&init_net, "can-bcm");
+		remove_proc_entry("can-bcm", init_net.proc_net);
 }
 
 module_init(bcm_module_init);
diff --git a/net/can/proc.c b/net/can/proc.c
index ae566902d2bf..497335892146 100644
--- a/net/can/proc.c
+++ b/net/can/proc.c
@@ -531,5 +531,5 @@ void can_remove_proc(void)
 		can_remove_proc_readentry(CAN_PROC_RCVLIST_SFF);
 
 	if (can_dir)
-		proc_net_remove(&init_net, "can");
+		remove_proc_entry("can", init_net.proc_net);
 }
diff --git a/net/core/dev.c b/net/core/dev.c
index f2f81ef5bbd6..decf55f9ad80 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4532,11 +4532,11 @@ static int __net_init dev_proc_net_init(struct net *net)
 out:
 	return rc;
 out_ptype:
-	proc_net_remove(net, "ptype");
+	remove_proc_entry("ptype", net->proc_net);
 out_softnet:
-	proc_net_remove(net, "softnet_stat");
+	remove_proc_entry("softnet_stat", net->proc_net);
 out_dev:
-	proc_net_remove(net, "dev");
+	remove_proc_entry("dev", net->proc_net);
 	goto out;
 }
 
@@ -4544,9 +4544,9 @@ static void __net_exit dev_proc_net_exit(struct net *net)
 {
 	wext_proc_exit(net);
 
-	proc_net_remove(net, "ptype");
-	proc_net_remove(net, "softnet_stat");
-	proc_net_remove(net, "dev");
+	remove_proc_entry("ptype", net->proc_net);
+	remove_proc_entry("softnet_stat", net->proc_net);
+	remove_proc_entry("dev", net->proc_net);
 }
 
 static struct pernet_operations __net_initdata dev_proc_ops = {
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 7c62ec449f3c..89562529df45 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -787,7 +787,7 @@ static int __net_init dev_mc_net_init(struct net *net)
 
 static void __net_exit dev_mc_net_exit(struct net *net)
 {
-	proc_net_remove(net, "dev_mcast");
+	remove_proc_entry("dev_mcast", net->proc_net);
 }
 
 static struct pernet_operations __net_initdata dev_mc_net_ops = {
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 2201e699ad67..6048fc1da1c2 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3650,7 +3650,7 @@ static int __net_init pg_net_init(struct net *net)
 remove_entry:
 	remove_proc_entry(PGCTRL, pn->proc_dir);
 remove:
-	proc_net_remove(pn->net, PG_PROC_DIR);
+	remove_proc_entry(PG_PROC_DIR, pn->net->proc_net);
 	return ret;
 }
 
@@ -3676,7 +3676,7 @@ static void __net_exit pg_net_exit(struct net *net)
 	}
 
 	remove_proc_entry(PGCTRL, pn->proc_dir);
-	proc_net_remove(pn->net, PG_PROC_DIR);
+	remove_proc_entry(PG_PROC_DIR, pn->net->proc_net);
 }
 
 static struct pernet_operations pg_net_ops = {
diff --git a/net/core/sock.c b/net/core/sock.c
index b4d562ef36fb..fe96c5d34299 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2844,7 +2844,7 @@ static __net_init int proto_init_net(struct net *net)
 
 static __net_exit void proto_exit_net(struct net *net)
 {
-	proc_net_remove(net, "protocols");
+	remove_proc_entry("protocols", net->proc_net);
 }
 
 
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index d183589b77e9..4c6bdf97a657 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -181,7 +181,7 @@ static __init int dccpprobe_init(void)
 	pr_info("DCCP watch registered (port=%d)\n", port);
 	return 0;
 err1:
-	proc_net_remove(&init_net, procname);
+	remove_proc_entry(procname, init_net.proc_net);
 err0:
 	kfifo_free(&dccpw.fifo);
 	return ret;
@@ -191,7 +191,7 @@ module_init(dccpprobe_init);
 static __exit void dccpprobe_exit(void)
 {
 	kfifo_free(&dccpw.fifo);
-	proc_net_remove(&init_net, procname);
+	remove_proc_entry(procname, init_net.proc_net);
 	unregister_jprobe(&dccp_send_probe);
 
 }
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index f916013d9074..c4a2def5b7bd 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -2413,7 +2413,7 @@ static void __exit decnet_exit(void)
 	dn_neigh_cleanup();
 	dn_fib_cleanup();
 
-	proc_net_remove(&init_net, "decnet");
+	remove_proc_entry("decnet", init_net.proc_net);
 
 	proto_unregister(&dn_proto);
 
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index a04894a2c26e..c8da116d84a4 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -1433,7 +1433,7 @@ void __exit dn_dev_cleanup(void)
 	}
 #endif /* CONFIG_SYSCTL */
 
-	proc_net_remove(&init_net, "decnet_dev");
+	remove_proc_entry("decnet_dev", init_net.proc_net);
 
 	dn_dev_devices_off();
 }
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index f3408f369fe3..f8637f93d318 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -596,6 +596,6 @@ void __init dn_neigh_init(void)
 
 void __exit dn_neigh_cleanup(void)
 {
-	proc_net_remove(&init_net, "decnet_neigh");
+	remove_proc_entry("decnet_neigh", init_net.proc_net);
 	neigh_table_clear(&dn_neigh_table);
 }
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 8afb257f279f..5ac0e153ef83 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1918,7 +1918,7 @@ void __exit dn_route_cleanup(void)
 	del_timer(&dn_route_timer);
 	dn_run_flush(0);
 
-	proc_net_remove(&init_net, "decnet_cache");
+	remove_proc_entry("decnet_cache", init_net.proc_net);
 	dst_entries_destroy(&dn_dst_ops);
 }
 
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index b04c114ef055..fea4929f6200 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1412,7 +1412,7 @@ static int __net_init arp_net_init(struct net *net)
 
 static void __net_exit arp_net_exit(struct net *net)
 {
-	proc_net_remove(net, "arp");
+	remove_proc_entry("arp", net->proc_net);
 }
 
 static struct pernet_operations arp_net_ops = {
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 67c1d4b641d4..61e03da3e1f5 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2620,18 +2620,18 @@ int __net_init fib_proc_init(struct net *net)
 	return 0;
 
 out3:
-	proc_net_remove(net, "fib_triestat");
+	remove_proc_entry("fib_triestat", net->proc_net);
 out2:
-	proc_net_remove(net, "fib_trie");
+	remove_proc_entry("fib_trie", net->proc_net);
 out1:
 	return -ENOMEM;
 }
 
 void __net_exit fib_proc_exit(struct net *net)
 {
-	proc_net_remove(net, "fib_trie");
-	proc_net_remove(net, "fib_triestat");
-	proc_net_remove(net, "route");
+	remove_proc_entry("fib_trie", net->proc_net);
+	remove_proc_entry("fib_triestat", net->proc_net);
+	remove_proc_entry("route", net->proc_net);
 }
 
 #endif /* CONFIG_PROC_FS */
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index be85628e6a83..d8c232794bcb 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2656,15 +2656,15 @@ static int __net_init igmp_net_init(struct net *net)
 	return 0;
 
 out_mcfilter:
-	proc_net_remove(net, "igmp");
+	remove_proc_entry("igmp", net->proc_net);
 out_igmp:
 	return -ENOMEM;
 }
 
 static void __net_exit igmp_net_exit(struct net *net)
 {
-	proc_net_remove(net, "mcfilter");
-	proc_net_remove(net, "igmp");
+	remove_proc_entry("mcfilter", net->proc_net);
+	remove_proc_entry("igmp", net->proc_net);
 }
 
 static struct pernet_operations igmp_net_ops = {
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 160a8b8e9cae..5f95b3aa579e 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2712,7 +2712,7 @@ static int __net_init ipmr_net_init(struct net *net)
 
 #ifdef CONFIG_PROC_FS
 proc_cache_fail:
-	proc_net_remove(net, "ip_mr_vif");
+	remove_proc_entry("ip_mr_vif", net->proc_net);
 proc_vif_fail:
 	ipmr_rules_exit(net);
 #endif
@@ -2723,8 +2723,8 @@ fail:
 static void __net_exit ipmr_net_exit(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
-	proc_net_remove(net, "ip_mr_cache");
-	proc_net_remove(net, "ip_mr_vif");
+	remove_proc_entry("ip_mr_cache", net->proc_net);
+	remove_proc_entry("ip_mr_vif", net->proc_net);
 #endif
 	ipmr_rules_exit(net);
 }
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
index 48bc681f5d32..f2ca12794081 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
@@ -433,9 +433,9 @@ static int __net_init ip_conntrack_net_init(struct net *net)
 	return 0;
 
 err3:
-	proc_net_remove(net, "ip_conntrack_expect");
+	remove_proc_entry("ip_conntrack_expect", net->proc_net);
 err2:
-	proc_net_remove(net, "ip_conntrack");
+	remove_proc_entry("ip_conntrack", net->proc_net);
 err1:
 	return -ENOMEM;
 }
@@ -443,8 +443,8 @@ err1:
 static void __net_exit ip_conntrack_net_exit(struct net *net)
 {
 	remove_proc_entry("ip_conntrack", net->proc_net_stat);
-	proc_net_remove(net, "ip_conntrack_expect");
-	proc_net_remove(net, "ip_conntrack");
+	remove_proc_entry("ip_conntrack_expect", net->proc_net);
+	remove_proc_entry("ip_conntrack", net->proc_net);
 }
 
 static struct pernet_operations ip_conntrack_net_ops = {
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index fc62a13b5eef..55c4ee1bba06 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -897,7 +897,7 @@ static int ping_proc_register(struct net *net)
 
 static void ping_proc_unregister(struct net *net)
 {
-	proc_net_remove(net, "icmp");
+	remove_proc_entry("icmp", net->proc_net);
 }
 
 
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 954bcd42d50e..32030a24e776 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -482,18 +482,18 @@ static __net_init int ip_proc_init_net(struct net *net)
 	return 0;
 
 out_snmp:
-	proc_net_remove(net, "netstat");
+	remove_proc_entry("netstat", net->proc_net);
 out_netstat:
-	proc_net_remove(net, "sockstat");
+	remove_proc_entry("sockstat", net->proc_net);
 out_sockstat:
 	return -ENOMEM;
 }
 
 static __net_exit void ip_proc_exit_net(struct net *net)
 {
-	proc_net_remove(net, "snmp");
-	proc_net_remove(net, "netstat");
-	proc_net_remove(net, "sockstat");
+	remove_proc_entry("snmp", net->proc_net);
+	remove_proc_entry("netstat", net->proc_net);
+	remove_proc_entry("sockstat", net->proc_net);
 }
 
 static __net_initdata struct pernet_operations ip_proc_ops = {
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 5043a7d0c64e..53ddebc292b6 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -1058,7 +1058,7 @@ static __net_init int raw_init_net(struct net *net)
 
 static __net_exit void raw_exit_net(struct net *net)
 {
-	proc_net_remove(net, "raw");
+	remove_proc_entry("raw", net->proc_net);
 }
 
 static __net_initdata struct pernet_operations raw_net_ops = {
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 77f5050efc8d..145d3bf8df86 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2616,7 +2616,7 @@ EXPORT_SYMBOL(tcp_proc_register);
 
 void tcp_proc_unregister(struct net *net, struct tcp_seq_afinfo *afinfo)
 {
-	proc_net_remove(net, afinfo->name);
+	remove_proc_entry(afinfo->name, net->proc_net);
 }
 EXPORT_SYMBOL(tcp_proc_unregister);
 
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 1e3a1fb3c0cd..d4943f67aff2 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -244,7 +244,7 @@ static __init int tcpprobe_init(void)
 	pr_info("probe registered (port=%d) bufsize=%u\n", port, bufsize);
 	return 0;
  err1:
-	proc_net_remove(&init_net, procname);
+	remove_proc_entry(procname, init_net.proc_net);
  err0:
 	kfree(tcp_probe.log);
 	return ret;
@@ -253,7 +253,7 @@ module_init(tcpprobe_init);
 
 static __exit void tcpprobe_exit(void)
 {
-	proc_net_remove(&init_net, procname);
+	remove_proc_entry(procname, init_net.proc_net);
 	unregister_jprobe(&tcp_jprobe);
 	kfree(tcp_probe.log);
 }
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 39a5e7a9a77f..265c42cf963c 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2122,7 +2122,7 @@ EXPORT_SYMBOL(udp_proc_register);
 
 void udp_proc_unregister(struct net *net, struct udp_seq_afinfo *afinfo)
 {
-	proc_net_remove(net, afinfo->name);
+	remove_proc_entry(afinfo->name, net->proc_net);
 }
 EXPORT_SYMBOL(udp_proc_unregister);
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index bad71083db86..4dc0d44a5d31 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3332,7 +3332,7 @@ static int __net_init if6_proc_net_init(struct net *net)
 
 static void __net_exit if6_proc_net_exit(struct net *net)
 {
-       proc_net_remove(net, "if_inet6");
+	remove_proc_entry("if_inet6", net->proc_net);
 }
 
 static struct pernet_operations if6_proc_net_ops = {
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 5a8c00983de5..5a80f15a9de2 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -517,7 +517,7 @@ int __net_init ac6_proc_init(struct net *net)
 
 void ac6_proc_exit(struct net *net)
 {
-	proc_net_remove(net, "anycast6");
+	remove_proc_entry("anycast6", net->proc_net);
 }
 #endif
 
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 900d79eda51e..b973ed3d06cf 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -814,7 +814,7 @@ static int __net_init ip6_flowlabel_proc_init(struct net *net)
 
 static void __net_exit ip6_flowlabel_proc_fini(struct net *net)
 {
-	proc_net_remove(net, "ip6_flowlabel");
+	remove_proc_entry("ip6_flowlabel", net->proc_net);
 }
 #else
 static inline int ip6_flowlabel_proc_init(struct net *net)
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index fdfd96d288ed..96bfb4e4b820 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1369,7 +1369,7 @@ static int __net_init ip6mr_net_init(struct net *net)
 
 #ifdef CONFIG_PROC_FS
 proc_cache_fail:
-	proc_net_remove(net, "ip6_mr_vif");
+	remove_proc_entry("ip6_mr_vif", net->proc_net);
 proc_vif_fail:
 	ip6mr_rules_exit(net);
 #endif
@@ -1380,8 +1380,8 @@ fail:
 static void __net_exit ip6mr_net_exit(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
-	proc_net_remove(net, "ip6_mr_cache");
-	proc_net_remove(net, "ip6_mr_vif");
+	remove_proc_entry("ip6_mr_cache", net->proc_net);
+	remove_proc_entry("ip6_mr_vif", net->proc_net);
 #endif
 	ip6mr_rules_exit(net);
 }
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index de7d4b9a58b0..bfa6cc36ef2a 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2610,14 +2610,14 @@ out:
 	return err;
 
 out_proc_net_igmp6:
-	proc_net_remove(net, "igmp6");
+	remove_proc_entry("igmp6", net->proc_net);
 	goto out;
 }
 
 static void __net_exit igmp6_proc_exit(struct net *net)
 {
-	proc_net_remove(net, "mcfilter6");
-	proc_net_remove(net, "igmp6");
+	remove_proc_entry("mcfilter6", net->proc_net);
+	remove_proc_entry("igmp6", net->proc_net);
 }
 #else
 static inline int igmp6_proc_init(struct net *net)
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index cf8901dc653e..bbbe53a99b57 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -308,17 +308,17 @@ static int __net_init ipv6_proc_init_net(struct net *net)
 	return 0;
 
 proc_dev_snmp6_fail:
-	proc_net_remove(net, "snmp6");
+	remove_proc_entry("snmp6", net->proc_net);
 proc_snmp6_fail:
-	proc_net_remove(net, "sockstat6");
+	remove_proc_entry("sockstat6", net->proc_net);
 	return -ENOMEM;
 }
 
 static void __net_exit ipv6_proc_exit_net(struct net *net)
 {
-	proc_net_remove(net, "sockstat6");
-	proc_net_remove(net, "dev_snmp6");
-	proc_net_remove(net, "snmp6");
+	remove_proc_entry("sockstat6", net->proc_net);
+	remove_proc_entry("dev_snmp6", net->proc_net);
+	remove_proc_entry("snmp6", net->proc_net);
 }
 
 static struct pernet_operations ipv6_proc_ops = {
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index ff42fb309eec..c65907db8c44 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1300,7 +1300,7 @@ static int __net_init raw6_init_net(struct net *net)
 
 static void __net_exit raw6_exit_net(struct net *net)
 {
-	proc_net_remove(net, "raw6");
+	remove_proc_entry("raw6", net->proc_net);
 }
 
 static struct pernet_operations raw6_net_ops = {
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e1228d839ebf..515bb51e05a8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3004,8 +3004,8 @@ static int __net_init ip6_route_net_init_late(struct net *net)
 static void __net_exit ip6_route_net_exit_late(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
-	proc_net_remove(net, "ipv6_route");
-	proc_net_remove(net, "rt6_stats");
+	remove_proc_entry("ipv6_route", net->proc_net);
+	remove_proc_entry("rt6_stats", net->proc_net);
 #endif
 }
 
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 021a429312b1..9ef79851f297 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3749,7 +3749,7 @@ static int __net_init pfkey_init_proc(struct net *net)
 
 static void __net_exit pfkey_exit_proc(struct net *net)
 {
-	proc_net_remove(net, "pfkey");
+	remove_proc_entry("pfkey", net->proc_net);
 }
 #else
 static inline int pfkey_init_proc(struct net *net)
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 3ca270b4d47c..3f4e3afc191a 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -1796,7 +1796,7 @@ out:
 
 static __net_exit void pppol2tp_exit_net(struct net *net)
 {
-	proc_net_remove(net, "pppol2tp");
+	remove_proc_entry("pppol2tp", net->proc_net);
 }
 
 static struct pernet_operations pppol2tp_net_ops = {
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 1db8a25fe4ba..0b779d7df881 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -612,5 +612,5 @@ int __net_init ip_vs_app_net_init(struct net *net)
 void __net_exit ip_vs_app_net_cleanup(struct net *net)
 {
 	unregister_ip_vs_app(net, NULL /* all */);
-	proc_net_remove(net, "ip_vs_app");
+	remove_proc_entry("ip_vs_app", net->proc_net);
 }
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 91ae11280c24..9f00db7e03f2 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1300,8 +1300,8 @@ void __net_exit ip_vs_conn_net_cleanup(struct net *net)
 {
 	/* flush all the connection entries first */
 	ip_vs_conn_flush(net);
-	proc_net_remove(net, "ip_vs_conn");
-	proc_net_remove(net, "ip_vs_conn_sync");
+	remove_proc_entry("ip_vs_conn", net->proc_net);
+	remove_proc_entry("ip_vs_conn_sync", net->proc_net);
 }
 
 int __init ip_vs_conn_init(void)
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 7d69181f8daa..c68198bf9128 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3822,9 +3822,9 @@ void __net_exit ip_vs_control_net_cleanup(struct net *net)
 	ip_vs_trash_cleanup(net);
 	ip_vs_stop_estimator(net, &ipvs->tot_stats);
 	ip_vs_control_net_cleanup_sysctl(net);
-	proc_net_remove(net, "ip_vs_stats_percpu");
-	proc_net_remove(net, "ip_vs_stats");
-	proc_net_remove(net, "ip_vs");
+	remove_proc_entry("ip_vs_stats_percpu", net->proc_net);
+	remove_proc_entry("ip_vs_stats", net->proc_net);
+	remove_proc_entry("ip_vs", net->proc_net);
 	free_percpu(ipvs->tot_stats.cpustats);
 }
 
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index 4c15f8d0b741..3921e5bc1235 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -582,7 +582,7 @@ static int exp_proc_init(struct net *net)
 static void exp_proc_remove(struct net *net)
 {
 #ifdef CONFIG_NF_CONNTRACK_PROCFS
-	proc_net_remove(net, "nf_conntrack_expect");
+	remove_proc_entry("nf_conntrack_expect", net->proc_net);
 #endif /* CONFIG_NF_CONNTRACK_PROCFS */
 }
 
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index bee9aecc7ba7..6bcce401fd1c 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -377,7 +377,7 @@ static int nf_conntrack_standalone_init_proc(struct net *net)
 	return 0;
 
 out_stat_nf_conntrack:
-	proc_net_remove(net, "nf_conntrack");
+	remove_proc_entry("nf_conntrack", net->proc_net);
 out_nf_conntrack:
 	return -ENOMEM;
 }
@@ -385,7 +385,7 @@ out_nf_conntrack:
 static void nf_conntrack_standalone_fini_proc(struct net *net)
 {
 	remove_proc_entry("nf_conntrack", net->proc_net_stat);
-	proc_net_remove(net, "nf_conntrack");
+	remove_proc_entry("nf_conntrack", net->proc_net);
 }
 #else
 static int nf_conntrack_standalone_init_proc(struct net *net)
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 7b3a9e5999c0..686c7715d777 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -1323,12 +1323,12 @@ int xt_proto_init(struct net *net, u_int8_t af)
 out_remove_matches:
 	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_MATCHES, sizeof(buf));
-	proc_net_remove(net, buf);
+	remove_proc_entry(buf, net->proc_net);
 
 out_remove_tables:
 	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_TABLES, sizeof(buf));
-	proc_net_remove(net, buf);
+	remove_proc_entry(buf, net->proc_net);
 out:
 	return -1;
 #endif
@@ -1342,15 +1342,15 @@ void xt_proto_fini(struct net *net, u_int8_t af)
 
 	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_TABLES, sizeof(buf));
-	proc_net_remove(net, buf);
+	remove_proc_entry(buf, net->proc_net);
 
 	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_TARGETS, sizeof(buf));
-	proc_net_remove(net, buf);
+	remove_proc_entry(buf, net->proc_net);
 
 	strlcpy(buf, xt_prefix[af], sizeof(buf));
 	strlcat(buf, FORMAT_MATCHES, sizeof(buf));
-	proc_net_remove(net, buf);
+	remove_proc_entry(buf, net->proc_net);
 #endif /*CONFIG_PROC_FS*/
 }
 EXPORT_SYMBOL_GPL(xt_proto_fini);
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index a9d7af953ceb..98218c896d2e 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -867,7 +867,7 @@ static int __net_init hashlimit_proc_net_init(struct net *net)
 #if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	hashlimit_net->ip6t_hashlimit = proc_mkdir("ip6t_hashlimit", net->proc_net);
 	if (!hashlimit_net->ip6t_hashlimit) {
-		proc_net_remove(net, "ipt_hashlimit");
+		remove_proc_entry("ipt_hashlimit", net->proc_net);
 		return -ENOMEM;
 	}
 #endif
@@ -897,9 +897,9 @@ static void __net_exit hashlimit_proc_net_exit(struct net *net)
 	hashlimit_net->ip6t_hashlimit = NULL;
 	mutex_unlock(&hashlimit_mutex);
 
-	proc_net_remove(net, "ipt_hashlimit");
+	remove_proc_entry("ipt_hashlimit", net->proc_net);
 #if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
-	proc_net_remove(net, "ip6t_hashlimit");
+	remove_proc_entry("ip6t_hashlimit", net->proc_net);
 #endif
 }
 
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 978efc9b555a..31bf233dae97 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -643,7 +643,7 @@ static void __net_exit recent_proc_net_exit(struct net *net)
 	recent_net->xt_recent = NULL;
 	spin_unlock_bh(&recent_lock);
 
-	proc_net_remove(net, "xt_recent");
+	remove_proc_entry("xt_recent", net->proc_net);
 }
 #else
 static inline int recent_proc_net_init(struct net *net)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 50084c40a129..3d55e0c713e2 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2154,7 +2154,7 @@ static int __net_init netlink_net_init(struct net *net)
 static void __net_exit netlink_net_exit(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
-	proc_net_remove(net, "netlink");
+	remove_proc_entry("netlink", net->proc_net);
 #endif
 }
 
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 71b861338407..297b07a029de 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1482,9 +1482,9 @@ static void __exit nr_exit(void)
 {
 	int i;
 
-	proc_net_remove(&init_net, "nr");
-	proc_net_remove(&init_net, "nr_neigh");
-	proc_net_remove(&init_net, "nr_nodes");
+	remove_proc_entry("nr", init_net.proc_net);
+	remove_proc_entry("nr_neigh", init_net.proc_net);
+	remove_proc_entry("nr_nodes", init_net.proc_net);
 	nr_loopback_clear();
 
 	nr_rt_free();
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index b7b2d56126c4..c7bfeff10767 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3836,7 +3836,7 @@ static int __net_init packet_net_init(struct net *net)
 
 static void __net_exit packet_net_exit(struct net *net)
 {
-	proc_net_remove(net, "packet");
+	remove_proc_entry("packet", net->proc_net);
 }
 
 static struct pernet_operations packet_net_ops = {
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 0e527c9dd041..45a7df6575de 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -331,7 +331,7 @@ static int __net_init phonet_init_net(struct net *net)
 
 static void __net_exit phonet_exit_net(struct net *net)
 {
-	proc_net_remove(net, "phonet");
+	remove_proc_entry("phonet", net->proc_net);
 }
 
 static struct pernet_operations phonet_net_ops = {
@@ -361,7 +361,7 @@ void phonet_device_exit(void)
 	rtnl_unregister_all(PF_PHONET);
 	unregister_netdevice_notifier(&phonet_device_notifier);
 	unregister_pernet_subsys(&phonet_net_ops);
-	proc_net_remove(&init_net, "pnresource");
+	remove_proc_entry("pnresource", init_net.proc_net);
 }
 
 int phonet_route_add(struct net_device *dev, u8 daddr)
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 5fd8aacbb5ae..b768fe9d5e7a 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1608,10 +1608,10 @@ static void __exit rose_exit(void)
 {
 	int i;
 
-	proc_net_remove(&init_net, "rose");
-	proc_net_remove(&init_net, "rose_neigh");
-	proc_net_remove(&init_net, "rose_nodes");
-	proc_net_remove(&init_net, "rose_routes");
+	remove_proc_entry("rose", init_net.proc_net);
+	remove_proc_entry("rose_neigh", init_net.proc_net);
+	remove_proc_entry("rose_nodes", init_net.proc_net);
+	remove_proc_entry("rose_routes", init_net.proc_net);
 	rose_loopback_clear();
 
 	rose_rt_free();
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 59c7c7d59402..e61aa6001c65 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -879,8 +879,8 @@ static void __exit af_rxrpc_exit(void)
 
 	_debug("flush scheduled work");
 	flush_workqueue(rxrpc_workqueue);
-	proc_net_remove(&init_net, "rxrpc_conns");
-	proc_net_remove(&init_net, "rxrpc_calls");
+	remove_proc_entry("rxrpc_conns", init_net.proc_net);
+	remove_proc_entry("rxrpc_calls", init_net.proc_net);
 	destroy_workqueue(rxrpc_workqueue);
 	kmem_cache_destroy(rxrpc_call_jar);
 	_leave("");
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index d8cf7d3dfe8c..a181b484812a 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1777,7 +1777,7 @@ static int __net_init psched_net_init(struct net *net)
 
 static void __net_exit psched_net_exit(struct net *net)
 {
-	proc_net_remove(net, "psched");
+	remove_proc_entry("psched", net->proc_net);
 }
 #else
 static int __net_init psched_net_init(struct net *net)
diff --git a/net/sctp/probe.c b/net/sctp/probe.c
index dd507f5ca8e7..ad0dba870341 100644
--- a/net/sctp/probe.c
+++ b/net/sctp/probe.c
@@ -208,7 +208,7 @@ static __init int sctpprobe_init(void)
 	return 0;
 
 remove_proc:
-	proc_net_remove(&init_net, procname);
+	remove_proc_entry(procname, init_net.proc_net);
 free_kfifo:
 	kfifo_free(&sctpw.fifo);
 	return ret;
@@ -217,7 +217,7 @@ free_kfifo:
 static __exit void sctpprobe_exit(void)
 {
 	kfifo_free(&sctpw.fifo);
-	proc_net_remove(&init_net, procname);
+	remove_proc_entry(procname, init_net.proc_net);
 	unregister_jprobe(&sctp_recv_probe);
 }
 
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 0c479b6f407c..87d284289012 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2415,7 +2415,7 @@ out:
 static void __net_exit unix_net_exit(struct net *net)
 {
 	unix_sysctl_unregister(net);
-	proc_net_remove(net, "unix");
+	remove_proc_entry("unix", net->proc_net);
 }
 
 static struct pernet_operations unix_net_ops = {
diff --git a/net/wireless/wext-proc.c b/net/wireless/wext-proc.c
index 00fc5bb3fb63..e98a01c1034f 100644
--- a/net/wireless/wext-proc.c
+++ b/net/wireless/wext-proc.c
@@ -152,5 +152,5 @@ int __net_init wext_proc_init(struct net *net)
 
 void __net_exit wext_proc_exit(struct net *net)
 {
-	proc_net_remove(net, "wireless");
+	remove_proc_entry("wireless", net->proc_net);
 }
diff --git a/net/xfrm/xfrm_proc.c b/net/xfrm/xfrm_proc.c
index 9abe14fb59b5..c721b0d9ab8b 100644
--- a/net/xfrm/xfrm_proc.c
+++ b/net/xfrm/xfrm_proc.c
@@ -82,5 +82,5 @@ int __net_init xfrm_proc_init(struct net *net)
 
 void xfrm_proc_fini(struct net *net)
 {
-	proc_net_remove(net, "xfrm_stat");
+	remove_proc_entry("xfrm_stat", net->proc_net);
 }
-- 
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