1 files changed, 148 insertions, 222 deletions

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 5a426226c762..b4cd05dba9b6 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *	RAW sockets for IPv6
  *	Linux INET6 implementation
@@ -11,11 +12,6 @@
  *	Hideaki YOSHIFUJI	:	sin6_scope_id support
  *	YOSHIFUJI,H.@USAGI	:	raw checksum (RFC2292(bis) compliance)
  *	Kazunori MIYAZAWA @USAGI:	change process style to use ip6_append_data
- *
- *	This program is free software; you can redistribute it and/or
- *      modify it under the terms of the GNU General Public License
- *      as published by the Free Software Foundation; either version
- *      2 of the License, or (at your option) any later version.
  */
 
 #include <linux/errno.h>
@@ -65,46 +61,30 @@
 
 #define	ICMPV6_HDRLEN	4	/* ICMPv6 header, RFC 4443 Section 2.1 */
 
-struct raw_hashinfo raw_v6_hashinfo = {
-	.lock = __RW_LOCK_UNLOCKED(raw_v6_hashinfo.lock),
-};
+struct raw_hashinfo raw_v6_hashinfo;
 EXPORT_SYMBOL_GPL(raw_v6_hashinfo);
 
-struct sock *__raw_v6_lookup(struct net *net, struct sock *sk,
-		unsigned short num, const struct in6_addr *loc_addr,
-		const struct in6_addr *rmt_addr, int dif, int sdif)
+bool raw_v6_match(struct net *net, const struct sock *sk, unsigned short num,
+		  const struct in6_addr *loc_addr,
+		  const struct in6_addr *rmt_addr, int dif, int sdif)
 {
-	bool is_multicast = ipv6_addr_is_multicast(loc_addr);
-
-	sk_for_each_from(sk)
-		if (inet_sk(sk)->inet_num == num) {
-
-			if (!net_eq(sock_net(sk), net))
-				continue;
-
-			if (!ipv6_addr_any(&sk->sk_v6_daddr) &&
-			    !ipv6_addr_equal(&sk->sk_v6_daddr, rmt_addr))
-				continue;
-
-			if (!raw_sk_bound_dev_eq(net, sk->sk_bound_dev_if,
-						 dif, sdif))
-				continue;
-
-			if (!ipv6_addr_any(&sk->sk_v6_rcv_saddr)) {
-				if (ipv6_addr_equal(&sk->sk_v6_rcv_saddr, loc_addr))
-					goto found;
-				if (is_multicast &&
-				    inet6_mc_check(sk, loc_addr, rmt_addr))
-					goto found;
-				continue;
-			}
-			goto found;
-		}
-	sk = NULL;
-found:
-	return sk;
+	if (inet_sk(sk)->inet_num != num ||
+	    !net_eq(sock_net(sk), net) ||
+	    (!ipv6_addr_any(&sk->sk_v6_daddr) &&
+	     !ipv6_addr_equal(&sk->sk_v6_daddr, rmt_addr)) ||
+	    !raw_sk_bound_dev_eq(net, sk->sk_bound_dev_if,
+				 dif, sdif))
+		return false;
+
+	if (ipv6_addr_any(&sk->sk_v6_rcv_saddr) ||
+	    ipv6_addr_equal(&sk->sk_v6_rcv_saddr, loc_addr) ||
+	    (ipv6_addr_is_multicast(loc_addr) &&
+	     inet6_mc_check(sk, loc_addr, rmt_addr)))
+		return true;
+
+	return false;
 }
-EXPORT_SYMBOL_GPL(__raw_v6_lookup);
+EXPORT_SYMBOL_GPL(raw_v6_match);
 
 /*
  *	0 - deliver
@@ -160,30 +140,32 @@ EXPORT_SYMBOL(rawv6_mh_filter_unregister);
  */
 static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
 {
+	struct net *net = dev_net(skb->dev);
 	const struct in6_addr *saddr;
 	const struct in6_addr *daddr;
+	struct hlist_head *hlist;
 	struct sock *sk;
 	bool delivered = false;
 	__u8 hash;
-	struct net *net;
 
 	saddr = &ipv6_hdr(skb)->saddr;
 	daddr = saddr + 1;
 
-	hash = nexthdr & (RAW_HTABLE_SIZE - 1);
-
-	read_lock(&raw_v6_hashinfo.lock);
-	sk = sk_head(&raw_v6_hashinfo.ht[hash]);
-
-	if (!sk)
-		goto out;
+	hash = raw_hashfunc(net, nexthdr);
+	hlist = &raw_v6_hashinfo.ht[hash];
+	rcu_read_lock();
+	sk_for_each_rcu(sk, hlist) {
+		int filtered;
 
-	net = dev_net(skb->dev);
-	sk = __raw_v6_lookup(net, sk, nexthdr, daddr, saddr,
-			     inet6_iif(skb), inet6_sdif(skb));
+		if (!raw_v6_match(net, sk, nexthdr, daddr, saddr,
+				  inet6_iif(skb), inet6_sdif(skb)))
+			continue;
 
-	while (sk) {
-		int filtered;
+		if (atomic_read(&sk->sk_rmem_alloc) >=
+		    READ_ONCE(sk->sk_rcvbuf)) {
+			sk_drops_inc(sk);
+			continue;
+		}
 
 		delivered = true;
 		switch (nexthdr) {
@@ -218,32 +200,22 @@ static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
 			struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC);
 
 			/* Not releasing hash table! */
-			if (clone) {
-				nf_reset(clone);
+			if (clone)
 				rawv6_rcv(sk, clone);
-			}
 		}
-		sk = __raw_v6_lookup(net, sk_next(sk), nexthdr, daddr, saddr,
-				     inet6_iif(skb), inet6_sdif(skb));
 	}
-out:
-	read_unlock(&raw_v6_hashinfo.lock);
+	rcu_read_unlock();
 	return delivered;
 }
 
 bool raw6_local_deliver(struct sk_buff *skb, int nexthdr)
 {
-	struct sock *raw_sk;
-
-	raw_sk = sk_head(&raw_v6_hashinfo.ht[nexthdr & (RAW_HTABLE_SIZE - 1)]);
-	if (raw_sk && !ipv6_raw_deliver(skb, nexthdr))
-		raw_sk = NULL;
-
-	return raw_sk != NULL;
+	return ipv6_raw_deliver(skb, nexthdr);
 }
 
 /* This cleans up af_inet6 a bit. -DaveM */
-static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
+static int rawv6_bind(struct sock *sk, struct sockaddr_unsized *uaddr,
+		      int addr_len)
 {
 	struct inet_sock *inet = inet_sk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
@@ -287,7 +259,9 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 			/* Binding to link-local address requires an interface */
 			if (!sk->sk_bound_dev_if)
 				goto out_unlock;
+		}
 
+		if (sk->sk_bound_dev_if) {
 			err = -ENODEV;
 			dev = dev_get_by_index_rcu(sock_net(sk),
 						   sk->sk_bound_dev_if);
@@ -300,7 +274,7 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		 */
 		v4addr = LOOPBACK4_IPV6;
 		if (!(addr_type & IPV6_ADDR_MULTICAST) &&
-		    !sock_net(sk)->ipv6.sysctl.ip_nonlocal_bind) {
+		    !ipv6_can_nonlocal_bind(sock_net(sk), inet)) {
 			err = -EADDRNOTAVAIL;
 			if (!ipv6_chk_addr(sock_net(sk), &addr->sin6_addr,
 					   dev, 0)) {
@@ -322,10 +296,9 @@ out:
 }
 
 static void rawv6_err(struct sock *sk, struct sk_buff *skb,
-	       struct inet6_skb_parm *opt,
-	       u8 type, u8 code, int offset, __be32 info)
+		      u8 type, u8 code, int offset, __be32 info)
 {
-	struct inet_sock *inet = inet_sk(sk);
+	bool recverr = inet6_test_bit(RECVERR6, sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	int err;
 	int harderr;
@@ -335,73 +308,69 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb,
 	   2. Socket is connected (otherwise the error indication
 	      is useless without recverr and error is hard.
 	 */
-	if (!np->recverr && sk->sk_state != TCP_ESTABLISHED)
+	if (!recverr && sk->sk_state != TCP_ESTABLISHED)
 		return;
 
 	harderr = icmpv6_err_convert(type, code, &err);
 	if (type == ICMPV6_PKT_TOOBIG) {
 		ip6_sk_update_pmtu(skb, sk, info);
-		harderr = (np->pmtudisc == IPV6_PMTUDISC_DO);
+		harderr = (READ_ONCE(np->pmtudisc) == IPV6_PMTUDISC_DO);
 	}
 	if (type == NDISC_REDIRECT) {
 		ip6_sk_redirect(skb, sk);
 		return;
 	}
-	if (np->recverr) {
+	if (recverr) {
 		u8 *payload = skb->data;
-		if (!inet->hdrincl)
+		if (!inet_test_bit(HDRINCL, sk))
 			payload += offset;
 		ipv6_icmp_error(sk, skb, err, 0, ntohl(info), payload);
 	}
 
-	if (np->recverr || harderr) {
+	if (recverr || harderr) {
 		sk->sk_err = err;
-		sk->sk_error_report(sk);
+		sk_error_report(sk);
 	}
 }
 
 void raw6_icmp_error(struct sk_buff *skb, int nexthdr,
 		u8 type, u8 code, int inner_offset, __be32 info)
 {
+	struct net *net = dev_net(skb->dev);
+	struct hlist_head *hlist;
 	struct sock *sk;
 	int hash;
-	const struct in6_addr *saddr, *daddr;
-	struct net *net;
-
-	hash = nexthdr & (RAW_HTABLE_SIZE - 1);
 
-	read_lock(&raw_v6_hashinfo.lock);
-	sk = sk_head(&raw_v6_hashinfo.ht[hash]);
-	if (sk) {
+	hash = raw_hashfunc(net, nexthdr);
+	hlist = &raw_v6_hashinfo.ht[hash];
+	rcu_read_lock();
+	sk_for_each_rcu(sk, hlist) {
 		/* Note: ipv6_hdr(skb) != skb->data */
 		const struct ipv6hdr *ip6h = (const struct ipv6hdr *)skb->data;
-		saddr = &ip6h->saddr;
-		daddr = &ip6h->daddr;
-		net = dev_net(skb->dev);
-
-		while ((sk = __raw_v6_lookup(net, sk, nexthdr, saddr, daddr,
-					     inet6_iif(skb), inet6_iif(skb)))) {
-			rawv6_err(sk, skb, NULL, type, code,
-					inner_offset, info);
-			sk = sk_next(sk);
-		}
+
+		if (!raw_v6_match(net, sk, nexthdr, &ip6h->saddr, &ip6h->daddr,
+				  inet6_iif(skb), inet6_iif(skb)))
+			continue;
+		rawv6_err(sk, skb, type, code, inner_offset, info);
 	}
-	read_unlock(&raw_v6_hashinfo.lock);
+	rcu_read_unlock();
 }
 
 static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
+	enum skb_drop_reason reason;
+
 	if ((raw6_sk(sk)->checksum || rcu_access_pointer(sk->sk_filter)) &&
 	    skb_checksum_complete(skb)) {
-		atomic_inc(&sk->sk_drops);
-		kfree_skb(skb);
+		sk_drops_inc(sk);
+		sk_skb_reason_drop(sk, skb, SKB_DROP_REASON_SKB_CSUM);
 		return NET_RX_DROP;
 	}
 
 	/* Charge it to the socket. */
 	skb_dst_drop(skb);
-	if (sock_queue_rcv_skb(sk, skb) < 0) {
-		kfree_skb(skb);
+	if (sock_queue_rcv_skb_reason(sk, skb, &reason) < 0) {
+		sk_skb_reason_drop(sk, skb, reason);
 		return NET_RX_DROP;
 	}
 
@@ -421,10 +390,11 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
 	struct raw6_sock *rp = raw6_sk(sk);
 
 	if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
-		atomic_inc(&sk->sk_drops);
-		kfree_skb(skb);
+		sk_drops_inc(sk);
+		sk_skb_reason_drop(sk, skb, SKB_DROP_REASON_XFRM_POLICY);
 		return NET_RX_DROP;
 	}
+	nf_reset_ct(skb);
 
 	if (!rp->checksum)
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -443,10 +413,10 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
 							 skb->len,
 							 inet->inet_num, 0));
 
-	if (inet->hdrincl) {
+	if (inet_test_bit(HDRINCL, sk)) {
 		if (skb_checksum_complete(skb)) {
-			atomic_inc(&sk->sk_drops);
-			kfree_skb(skb);
+			sk_drops_inc(sk);
+			sk_skb_reason_drop(sk, skb, SKB_DROP_REASON_SKB_CSUM);
 			return NET_RX_DROP;
 		}
 	}
@@ -462,7 +432,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
  */
 
 static int rawv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
-			 int noblock, int flags, int *addr_len)
+			 int flags, int *addr_len)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	DECLARE_SOCKADDR(struct sockaddr_in6 *, sin6, msg->msg_name);
@@ -476,10 +446,10 @@ static int rawv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 	if (flags & MSG_ERRQUEUE)
 		return ipv6_recv_error(sk, msg, len, addr_len);
 
-	if (np->rxpmtu && np->rxopt.bits.rxpmtu)
+	if (np->rxopt.bits.rxpmtu && READ_ONCE(np->rxpmtu))
 		return ipv6_recv_rxpmtu(sk, msg, len, addr_len);
 
-	skb = skb_recv_datagram(sk, flags, noblock, &err);
+	skb = skb_recv_datagram(sk, flags, &err);
 	if (!skb)
 		goto out;
 
@@ -514,7 +484,7 @@ static int rawv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 		*addr_len = sizeof(*sin6);
 	}
 
-	sock_recv_ts_and_drops(msg, sk, skb);
+	sock_recv_cmsgs(msg, sk, skb);
 
 	if (np->rxopt.all)
 		ip6_datagram_recv_ctl(sk, msg, skb);
@@ -541,6 +511,7 @@ csum_copy_err:
 static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
 				     struct raw6_sock *rp)
 {
+	struct ipv6_txoptions *opt;
 	struct sk_buff *skb;
 	int err = 0;
 	int offset;
@@ -558,6 +529,9 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
 
 	offset = rp->offset;
 	total_len = inet_sk(sk)->cork.base.length;
+	opt = inet6_sk(sk)->cork.opt;
+	total_len -= opt ? opt->opt_flen : 0;
+
 	if (offset >= total_len - 1) {
 		err = -EINVAL;
 		ip6_flush_pending_frames(sk);
@@ -621,12 +595,11 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
 			struct flowi6 *fl6, struct dst_entry **dstp,
 			unsigned int flags, const struct sockcm_cookie *sockc)
 {
-	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct net *net = sock_net(sk);
 	struct ipv6hdr *iph;
 	struct sk_buff *skb;
 	int err;
-	struct rt6_info *rt = (struct rt6_info *)*dstp;
+	struct rt6_info *rt = dst_rt6_info(*dstp);
 	int hlen = LL_RESERVED_SPACE(rt->dst.dev);
 	int tlen = rt->dst.dev->needed_tailroom;
 
@@ -647,9 +620,9 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
 	skb_reserve(skb, hlen);
 
 	skb->protocol = htons(ETH_P_IPV6);
-	skb->priority = sk->sk_priority;
-	skb->mark = sk->sk_mark;
-	skb->tstamp = sockc->transmit_time;
+	skb->priority = sockc->priority;
+	skb->mark = sockc->mark;
+	skb_set_delivery_type_by_clockid(skb, sockc->transmit_time, sk->sk_clockid);
 
 	skb_put(skb, length);
 	skb_reset_network_header(skb);
@@ -657,7 +630,7 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
 
 	skb->ip_summed = CHECKSUM_NONE;
 
-	skb_setup_tx_timestamp(skb, sockc->tsflags);
+	skb_setup_tx_timestamp(skb, sockc);
 
 	if (flags & MSG_CONFIRM)
 		skb_set_dst_pending_confirm(skb, 1);
@@ -685,7 +658,7 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
 	 * have been queued for deletion.
 	 */
 	rcu_read_lock();
-	IP6_UPD_PO_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
+	IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTREQUESTS);
 	err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, net, sk, skb,
 		      NULL, rt->dst.dev, dst_output);
 	if (err > 0)
@@ -702,7 +675,7 @@ out:
 error:
 	IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
 error_check:
-	if (err == -ENOBUFS && !np->recverr)
+	if (err == -ENOBUFS && !inet6_test_bit(RECVERR6, sk))
 		err = 0;
 	return err;
 }
@@ -748,7 +721,7 @@ static int raw6_getfrag(void *from, char *to, int offset, int len, int odd,
 			skb->csum = csum_block_add(
 				skb->csum,
 				csum_partial_copy_nocheck(rfv->c + offset,
-							  to, copy, 0),
+							  to, copy),
 				odd);
 
 		odd = 0;
@@ -781,6 +754,7 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 	struct flowi6 fl6;
 	struct ipcm6_cookie ipc6;
 	int addr_len = msg->msg_namelen;
+	int hdrincl;
 	u16 proto;
 	int err;
 
@@ -794,16 +768,17 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 	if (msg->msg_flags & MSG_OOB)
 		return -EOPNOTSUPP;
 
+	hdrincl = inet_test_bit(HDRINCL, sk);
+
+	ipcm6_init_sk(&ipc6, sk);
+
 	/*
 	 *	Get and verify the address.
 	 */
 	memset(&fl6, 0, sizeof(fl6));
 
-	fl6.flowi6_mark = sk->sk_mark;
-	fl6.flowi6_uid = sk->sk_uid;
-
-	ipcm6_init(&ipc6);
-	ipc6.sockc.tsflags = sk->sk_tsflags;
+	fl6.flowi6_mark = ipc6.sockc.mark;
+	fl6.flowi6_uid = sk_uid(sk);
 
 	if (sin6) {
 		if (addr_len < SIN6_LEN_RFC2133)
@@ -817,18 +792,19 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 
 		if (!proto)
 			proto = inet->inet_num;
-		else if (proto != inet->inet_num)
+		else if (proto != inet->inet_num &&
+			 inet->inet_num != IPPROTO_RAW)
 			return -EINVAL;
 
 		if (proto > 255)
 			return -EINVAL;
 
 		daddr = &sin6->sin6_addr;
-		if (np->sndflow) {
+		if (inet6_test_bit(SNDFLOW, sk)) {
 			fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;
 			if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
 				flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
-				if (!flowlabel)
+				if (IS_ERR(flowlabel))
 					return -EINVAL;
 			}
 		}
@@ -870,7 +846,7 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 		}
 		if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
 			flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
-			if (!flowlabel)
+			if (IS_ERR(flowlabel))
 				return -EINVAL;
 		}
 		if (!(opt->opt_nflen|opt->opt_flen))
@@ -885,11 +861,15 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 	opt = ipv6_fixup_options(&opt_space, opt);
 
 	fl6.flowi6_proto = proto;
-	rfv.msg = msg;
-	rfv.hlen = 0;
-	err = rawv6_probe_proto_opt(&rfv, &fl6);
-	if (err)
-		goto out;
+	fl6.flowi6_mark = ipc6.sockc.mark;
+
+	if (!hdrincl) {
+		rfv.msg = msg;
+		rfv.hlen = 0;
+		err = rawv6_probe_proto_opt(&rfv, &fl6);
+		if (err)
+			goto out;
+	}
 
 	if (!ipv6_addr_any(daddr))
 		fl6.daddr = *daddr;
@@ -901,20 +881,17 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 	final_p = fl6_update_dst(&fl6, opt, &final);
 
 	if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
-		fl6.flowi6_oif = np->mcast_oif;
+		fl6.flowi6_oif = READ_ONCE(np->mcast_oif);
 	else if (!fl6.flowi6_oif)
-		fl6.flowi6_oif = np->ucast_oif;
-	security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
+		fl6.flowi6_oif = READ_ONCE(np->ucast_oif);
+	security_sk_classify_flow(sk, flowi6_to_flowi_common(&fl6));
 
-	if (inet->hdrincl)
+	if (hdrincl)
 		fl6.flowi6_flags |= FLOWI_FLAG_KNOWN_NH;
 
-	if (ipc6.tclass < 0)
-		ipc6.tclass = np->tclass;
-
 	fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);
 
-	dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+	dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
 	if (IS_ERR(dst)) {
 		err = PTR_ERR(dst);
 		goto out;
@@ -922,21 +899,18 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 	if (ipc6.hlimit < 0)
 		ipc6.hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);
 
-	if (ipc6.dontfrag < 0)
-		ipc6.dontfrag = np->dontfrag;
-
 	if (msg->msg_flags&MSG_CONFIRM)
 		goto do_confirm;
 
 back_from_confirm:
-	if (inet->hdrincl)
+	if (hdrincl)
 		err = rawv6_send_hdrinc(sk, msg, len, &fl6, &dst,
 					msg->msg_flags, &ipc6.sockc);
 	else {
 		ipc6.opt = opt;
 		lock_sock(sk);
 		err = ip6_append_data(sk, raw6_getfrag, &rfv,
-			len, 0, &ipc6, &fl6, (struct rt6_info *)dst,
+			len, 0, &ipc6, &fl6, dst_rt6_info(dst),
 			msg->msg_flags);
 
 		if (err)
@@ -960,14 +934,14 @@ do_confirm:
 	goto done;
 }
 
-static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
-			       char __user *optval, int optlen)
+static int rawv6_seticmpfilter(struct sock *sk, int optname,
+			       sockptr_t optval, int optlen)
 {
 	switch (optname) {
 	case ICMPV6_FILTER:
 		if (optlen > sizeof(struct icmp6_filter))
 			optlen = sizeof(struct icmp6_filter);
-		if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen))
+		if (copy_from_sockptr(&raw6_sk(sk)->filter, optval, optlen))
 			return -EFAULT;
 		return 0;
 	default:
@@ -977,7 +951,7 @@ static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
 	return 0;
 }
 
-static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
+static int rawv6_geticmpfilter(struct sock *sk, int optname,
 			       char __user *optval, int __user *optlen)
 {
 	int len;
@@ -1004,19 +978,22 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
 
 
 static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
-			    char __user *optval, unsigned int optlen)
+			       sockptr_t optval, unsigned int optlen)
 {
 	struct raw6_sock *rp = raw6_sk(sk);
 	int val;
 
-	if (get_user(val, (int __user *)optval))
+	if (optlen < sizeof(val))
+		return -EINVAL;
+
+	if (copy_from_sockptr(&val, optval, sizeof(val)))
 		return -EFAULT;
 
 	switch (optname) {
 	case IPV6_HDRINCL:
 		if (sk->sk_type != SOCK_RAW)
 			return -EINVAL;
-		inet_sk(sk)->hdrincl = !!val;
+		inet_assign_bit(HDRINCL, sk, val);
 		return 0;
 	case IPV6_CHECKSUM:
 		if (inet_sk(sk)->inet_num == IPPROTO_ICMPV6 &&
@@ -1051,7 +1028,7 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
 }
 
 static int rawv6_setsockopt(struct sock *sk, int level, int optname,
-			  char __user *optval, unsigned int optlen)
+			    sockptr_t optval, unsigned int optlen)
 {
 	switch (level) {
 	case SOL_RAW:
@@ -1060,12 +1037,12 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname,
 	case SOL_ICMPV6:
 		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 			return -EOPNOTSUPP;
-		return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
+		return rawv6_seticmpfilter(sk, optname, optval, optlen);
 	case SOL_IPV6:
 		if (optname == IPV6_CHECKSUM ||
 		    optname == IPV6_HDRINCL)
 			break;
-		/* fall through */
+		fallthrough;
 	default:
 		return ipv6_setsockopt(sk, level, optname, optval, optlen);
 	}
@@ -1073,30 +1050,6 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname,
 	return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
 }
 
-#ifdef CONFIG_COMPAT
-static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname,
-				   char __user *optval, unsigned int optlen)
-{
-	switch (level) {
-	case SOL_RAW:
-		break;
-	case SOL_ICMPV6:
-		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
-			return -EOPNOTSUPP;
-		return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
-	case SOL_IPV6:
-		if (optname == IPV6_CHECKSUM ||
-		    optname == IPV6_HDRINCL)
-			break;
-		/* fall through */
-	default:
-		return compat_ipv6_setsockopt(sk, level, optname,
-					      optval, optlen);
-	}
-	return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
-}
-#endif
-
 static int do_rawv6_getsockopt(struct sock *sk, int level, int optname,
 			    char __user *optval, int __user *optlen)
 {
@@ -1108,7 +1061,7 @@ static int do_rawv6_getsockopt(struct sock *sk, int level, int optname,
 
 	switch (optname) {
 	case IPV6_HDRINCL:
-		val = inet_sk(sk)->hdrincl;
+		val = inet_test_bit(HDRINCL, sk);
 		break;
 	case IPV6_CHECKSUM:
 		/*
@@ -1145,12 +1098,12 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
 	case SOL_ICMPV6:
 		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 			return -EOPNOTSUPP;
-		return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
+		return rawv6_geticmpfilter(sk, optname, optval, optlen);
 	case SOL_IPV6:
 		if (optname == IPV6_CHECKSUM ||
 		    optname == IPV6_HDRINCL)
 			break;
-		/* fall through */
+		fallthrough;
 	default:
 		return ipv6_getsockopt(sk, level, optname, optval, optlen);
 	}
@@ -1158,53 +1111,29 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
 	return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
 }
 
-#ifdef CONFIG_COMPAT
-static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
-				   char __user *optval, int __user *optlen)
-{
-	switch (level) {
-	case SOL_RAW:
-		break;
-	case SOL_ICMPV6:
-		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
-			return -EOPNOTSUPP;
-		return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
-	case SOL_IPV6:
-		if (optname == IPV6_CHECKSUM ||
-		    optname == IPV6_HDRINCL)
-			break;
-		/* fall through */
-	default:
-		return compat_ipv6_getsockopt(sk, level, optname,
-					      optval, optlen);
-	}
-	return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
-}
-#endif
-
-static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
+static int rawv6_ioctl(struct sock *sk, int cmd, int *karg)
 {
 	switch (cmd) {
 	case SIOCOUTQ: {
-		int amount = sk_wmem_alloc_get(sk);
-
-		return put_user(amount, (int __user *)arg);
+		*karg = sk_wmem_alloc_get(sk);
+		return 0;
 	}
 	case SIOCINQ: {
 		struct sk_buff *skb;
-		int amount = 0;
 
 		spin_lock_bh(&sk->sk_receive_queue.lock);
 		skb = skb_peek(&sk->sk_receive_queue);
 		if (skb)
-			amount = skb->len;
+			*karg = skb->len;
+		else
+			*karg = 0;
 		spin_unlock_bh(&sk->sk_receive_queue.lock);
-		return put_user(amount, (int __user *)arg);
+		return 0;
 	}
 
 	default:
 #ifdef CONFIG_IPV6_MROUTE
-		return ip6mr_ioctl(sk, cmd, (void __user *)arg);
+		return ip6mr_ioctl(sk, cmd, karg);
 #else
 		return -ENOIOCTLCMD;
 #endif
@@ -1241,14 +1170,13 @@ static void raw6_destroy(struct sock *sk)
 	lock_sock(sk);
 	ip6_flush_pending_frames(sk);
 	release_sock(sk);
-
-	inet6_destroy_sock(sk);
 }
 
 static int rawv6_init_sk(struct sock *sk)
 {
 	struct raw6_sock *rp = raw6_sk(sk);
 
+	sk->sk_drop_counters = &rp->drop_counters;
 	switch (inet_sk(sk)->inet_num) {
 	case IPPROTO_ICMPV6:
 		rp->checksum = 1;
@@ -1282,12 +1210,11 @@ struct proto rawv6_prot = {
 	.hash		   = raw_hash_sk,
 	.unhash		   = raw_unhash_sk,
 	.obj_size	   = sizeof(struct raw6_sock),
+	.ipv6_pinfo_offset = offsetof(struct raw6_sock, inet6),
 	.useroffset	   = offsetof(struct raw6_sock, filter),
 	.usersize	   = sizeof_field(struct raw6_sock, filter),
 	.h.raw_hash	   = &raw_v6_hashinfo,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_rawv6_setsockopt,
-	.compat_getsockopt = compat_rawv6_getsockopt,
 	.compat_ioctl	   = compat_rawv6_ioctl,
 #endif
 	.diag_destroy	   = raw_abort,
@@ -1356,6 +1283,7 @@ const struct proto_ops inet6_sockraw_ops = {
 	.getname	   = inet6_getname,
 	.poll		   = datagram_poll,		/* ok		*/
 	.ioctl		   = inet6_ioctl,		/* must change  */
+	.gettstamp	   = sock_gettstamp,
 	.listen		   = sock_no_listen,		/* ok		*/
 	.shutdown	   = inet_shutdown,		/* ok		*/
 	.setsockopt	   = sock_common_setsockopt,	/* ok		*/
@@ -1363,10 +1291,8 @@ const struct proto_ops inet6_sockraw_ops = {
 	.sendmsg	   = inet_sendmsg,		/* ok		*/
 	.recvmsg	   = sock_common_recvmsg,	/* ok		*/
 	.mmap		   = sock_no_mmap,
-	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
+	.compat_ioctl	   = inet6_compat_ioctl,
 #endif
 };