ar71xx: remove 3.7 support

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35870 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 787 deletions

diff --git a/target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch b/target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch
deleted file mode 100644
index 70e03ac9ed..0000000000
--- a/target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch
+++ /dev/null
@@ -1,787 +0,0 @@
---- a/arch/mips/include/asm/checksum.h
-+++ b/arch/mips/include/asm/checksum.h
-@@ -104,26 +104,30 @@ static inline __sum16 ip_fast_csum(const
- 	const unsigned int *stop = word + ihl;
- 	unsigned int csum;
- 	int carry;
-+	unsigned int w;
- 
--	csum = word[0];
--	csum += word[1];
--	carry = (csum < word[1]);
-+	csum = net_hdr_word(word++);
-+
-+	w = net_hdr_word(word++);
-+	csum += w;
-+	carry = (csum < w);
- 	csum += carry;
- 
--	csum += word[2];
--	carry = (csum < word[2]);
-+	w = net_hdr_word(word++);
-+	csum += w;
-+	carry = (csum < w);
- 	csum += carry;
- 
--	csum += word[3];
--	carry = (csum < word[3]);
-+	w = net_hdr_word(word++);
-+	csum += w;
-+	carry = (csum < w);
- 	csum += carry;
- 
--	word += 4;
- 	do {
--		csum += *word;
--		carry = (csum < *word);
-+		w = net_hdr_word(word++);
-+		csum += w;
-+		carry = (csum < w);
- 		csum += carry;
--		word++;
- 	} while (word != stop);
- 
- 	return csum_fold(csum);
-@@ -192,69 +196,4 @@ static inline __sum16 ip_compute_csum(co
- 	return csum_fold(csum_partial(buff, len, 0));
- }
- 
--#define _HAVE_ARCH_IPV6_CSUM
--static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
--				          const struct in6_addr *daddr,
--					  __u32 len, unsigned short proto,
--					  __wsum sum)
--{
--	__asm__(
--	"	.set	push		# csum_ipv6_magic\n"
--	"	.set	noreorder	\n"
--	"	.set	noat		\n"
--	"	addu	%0, %5		# proto (long in network byte order)\n"
--	"	sltu	$1, %0, %5	\n"
--	"	addu	%0, $1		\n"
--
--	"	addu	%0, %6		# csum\n"
--	"	sltu	$1, %0, %6	\n"
--	"	lw	%1, 0(%2)	# four words source address\n"
--	"	addu	%0, $1		\n"
--	"	addu	%0, %1		\n"
--	"	sltu	$1, %0, %1	\n"
--
--	"	lw	%1, 4(%2)	\n"
--	"	addu	%0, $1		\n"
--	"	addu	%0, %1		\n"
--	"	sltu	$1, %0, %1	\n"
--
--	"	lw	%1, 8(%2)	\n"
--	"	addu	%0, $1		\n"
--	"	addu	%0, %1		\n"
--	"	sltu	$1, %0, %1	\n"
--
--	"	lw	%1, 12(%2)	\n"
--	"	addu	%0, $1		\n"
--	"	addu	%0, %1		\n"
--	"	sltu	$1, %0, %1	\n"
--
--	"	lw	%1, 0(%3)	\n"
--	"	addu	%0, $1		\n"
--	"	addu	%0, %1		\n"
--	"	sltu	$1, %0, %1	\n"
--
--	"	lw	%1, 4(%3)	\n"
--	"	addu	%0, $1		\n"
--	"	addu	%0, %1		\n"
--	"	sltu	$1, %0, %1	\n"
--
--	"	lw	%1, 8(%3)	\n"
--	"	addu	%0, $1		\n"
--	"	addu	%0, %1		\n"
--	"	sltu	$1, %0, %1	\n"
--
--	"	lw	%1, 12(%3)	\n"
--	"	addu	%0, $1		\n"
--	"	addu	%0, %1		\n"
--	"	sltu	$1, %0, %1	\n"
--
--	"	addu	%0, $1		# Add final carry\n"
--	"	.set	pop"
--	: "=r" (sum), "=r" (proto)
--	: "r" (saddr), "r" (daddr),
--	  "0" (htonl(len)), "1" (htonl(proto)), "r" (sum));
--
--	return csum_fold(sum);
--}
--
- #endif /* _ASM_CHECKSUM_H */
---- a/include/uapi/linux/ip.h
-+++ b/include/uapi/linux/ip.h
-@@ -102,7 +102,7 @@ struct iphdr {
- 	__be32	saddr;
- 	__be32	daddr;
- 	/*The options start here. */
--};
-+} __attribute__((packed, aligned(2)));
- 
- 
- struct ip_auth_hdr {
---- a/include/uapi/linux/ipv6.h
-+++ b/include/uapi/linux/ipv6.h
-@@ -123,7 +123,7 @@ struct ipv6hdr {
- 
- 	struct	in6_addr	saddr;
- 	struct	in6_addr	daddr;
--};
-+} __attribute__((packed, aligned(2)));
- 
- 
- /* index values for the variables in ipv6_devconf */
---- a/include/uapi/linux/tcp.h
-+++ b/include/uapi/linux/tcp.h
-@@ -54,7 +54,7 @@ struct tcphdr {
- 	__be16	window;
- 	__sum16	check;
- 	__be16	urg_ptr;
--};
-+} __attribute__((packed, aligned(2)));
- 
- /*
-  *	The union cast uses a gcc extension to avoid aliasing problems
-@@ -64,7 +64,7 @@ struct tcphdr {
- union tcp_word_hdr { 
- 	struct tcphdr hdr;
- 	__be32 		  words[5];
--}; 
-+} __attribute__((packed, aligned(2)));
- 
- #define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3]) 
- 
---- a/include/uapi/linux/udp.h
-+++ b/include/uapi/linux/udp.h
-@@ -24,7 +24,7 @@ struct udphdr {
- 	__be16	dest;
- 	__be16	len;
- 	__sum16	check;
--};
-+} __attribute__((packed, aligned(2)));
- 
- /* UDP socket options */
- #define UDP_CORK	1	/* Never send partially complete segments */
---- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
-+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
-@@ -39,8 +39,8 @@ static bool ipv4_pkt_to_tuple(const stru
- 	if (ap == NULL)
- 		return false;
- 
--	tuple->src.u3.ip = ap[0];
--	tuple->dst.u3.ip = ap[1];
-+	tuple->src.u3.ip = net_hdr_word(ap++);
-+	tuple->dst.u3.ip = net_hdr_word(ap);
- 
- 	return true;
- }
---- a/include/uapi/linux/icmp.h
-+++ b/include/uapi/linux/icmp.h
-@@ -80,7 +80,7 @@ struct icmphdr {
- 		__be16	mtu;
- 	} frag;
-   } un;
--};
-+} __attribute__((packed, aligned(2)));
- 
- 
- /*
---- a/net/ipv4/tcp_input.c
-+++ b/net/ipv4/tcp_input.c
-@@ -3847,13 +3847,14 @@ static bool tcp_parse_aligned_timestamp(
- {
- 	const __be32 *ptr = (const __be32 *)(th + 1);
- 
--	if (*ptr == htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
--			  | (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP)) {
-+	if (net_hdr_word(ptr) ==
-+	    htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) |
-+	    (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP)) {
- 		tp->rx_opt.saw_tstamp = 1;
- 		++ptr;
--		tp->rx_opt.rcv_tsval = ntohl(*ptr);
-+		tp->rx_opt.rcv_tsval = get_unaligned_be32(ptr);
- 		++ptr;
--		tp->rx_opt.rcv_tsecr = ntohl(*ptr);
-+		tp->rx_opt.rcv_tsecr = get_unaligned_be32(ptr);
- 		return true;
- 	}
- 	return false;
---- a/include/uapi/linux/in6.h
-+++ b/include/uapi/linux/in6.h
-@@ -36,7 +36,7 @@ struct in6_addr {
- #define s6_addr			in6_u.u6_addr8
- #define s6_addr16		in6_u.u6_addr16
- #define s6_addr32		in6_u.u6_addr32
--};
-+} __attribute__((packed, aligned(2)));
- 
- /* IPv6 Wildcard Address (::) and Loopback Address (::1) defined in RFC2553
-  * NOTE: Be aware the IN6ADDR_* constants and in6addr_* externals are defined
---- a/net/ipv6/af_inet6.c
-+++ b/net/ipv6/af_inet6.c
-@@ -61,6 +61,7 @@
- #endif
- 
- #include <asm/uaccess.h>
-+#include <asm/unaligned.h>
- #include <linux/mroute6.h>
- 
- MODULE_AUTHOR("Cast of dozens");
-@@ -687,7 +688,7 @@ bool ipv6_opt_accepted(const struct sock
- 		if ((opt->hop && (np->rxopt.bits.hopopts ||
- 				  np->rxopt.bits.ohopopts)) ||
- 		    ((IPV6_FLOWINFO_MASK &
--		      *(__be32 *)skb_network_header(skb)) &&
-+		      net_hdr_word(skb_network_header(skb))) &&
- 		     np->rxopt.bits.rxflow) ||
- 		    (opt->srcrt && (np->rxopt.bits.srcrt ||
- 		     np->rxopt.bits.osrcrt)) ||
-@@ -880,7 +881,7 @@ static struct sk_buff **ipv6_gro_receive
- 			continue;
- 
- 		iph2 = ipv6_hdr(p);
--		first_word = *(__be32 *)iph ^ *(__be32 *)iph2 ;
-+		first_word = net_hdr_word(iph) ^ net_hdr_word(iph2);
- 
- 		/* All fields must match except length and Traffic Class. */
- 		if (nlen != skb_network_header_len(p) ||
---- a/net/ipv6/route.c
-+++ b/net/ipv6/route.c
-@@ -938,7 +938,7 @@ void ip6_route_input(struct sk_buff *skb
- 		.flowi6_iif = skb->dev->ifindex,
- 		.daddr = iph->daddr,
- 		.saddr = iph->saddr,
--		.flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK,
-+		.flowlabel = net_hdr_word(iph) & IPV6_FLOWINFO_MASK,
- 		.flowi6_mark = skb->mark,
- 		.flowi6_proto = iph->nexthdr,
- 	};
-@@ -1108,7 +1108,7 @@ void ip6_update_pmtu(struct sk_buff *skb
- 	fl6.flowi6_flags = 0;
- 	fl6.daddr = iph->daddr;
- 	fl6.saddr = iph->saddr;
--	fl6.flowlabel = (*(__be32 *) iph) & IPV6_FLOWINFO_MASK;
-+	fl6.flowlabel = net_hdr_word(iph) & IPV6_FLOWINFO_MASK,
- 
- 	dst = ip6_route_output(net, NULL, &fl6);
- 	if (!dst->error)
-@@ -1136,7 +1136,7 @@ void ip6_redirect(struct sk_buff *skb, s
- 	fl6.flowi6_flags = 0;
- 	fl6.daddr = iph->daddr;
- 	fl6.saddr = iph->saddr;
--	fl6.flowlabel = (*(__be32 *) iph) & IPV6_FLOWINFO_MASK;
-+	fl6.flowlabel = net_hdr_word(iph) & IPV6_FLOWINFO_MASK,
- 
- 	dst = ip6_route_output(net, NULL, &fl6);
- 	if (!dst->error)
---- a/net/ipv6/tcp_ipv6.c
-+++ b/net/ipv6/tcp_ipv6.c
-@@ -64,6 +64,7 @@
- #include <net/secure_seq.h>
- #include <net/tcp_memcontrol.h>
- 
-+#include <asm/unaligned.h>
- #include <asm/uaccess.h>
- 
- #include <linux/proc_fs.h>
-@@ -851,10 +852,10 @@ static void tcp_v6_send_response(struct
- 	topt = (__be32 *)(t1 + 1);
- 
- 	if (ts) {
--		*topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) |
--				(TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP);
--		*topt++ = htonl(tcp_time_stamp);
--		*topt++ = htonl(ts);
-+		put_unaligned_be32((TCPOPT_NOP << 24) |	(TCPOPT_NOP << 16) |
-+			(TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP, topt++);
-+		put_unaligned_be32(tcp_time_stamp, topt++);
-+		put_unaligned_be32(ts, topt++);
- 	}
- 
- #ifdef CONFIG_TCP_MD5SIG
---- a/include/linux/ipv6.h
-+++ b/include/linux/ipv6.h
-@@ -4,6 +4,7 @@
- #include <uapi/linux/ipv6.h>
- 
- #define ipv6_optlen(p)  (((p)->hdrlen+1) << 3)
-+
- /*
-  * This structure contains configuration options per IPv6 link.
-  */
---- a/net/ipv6/datagram.c
-+++ b/net/ipv6/datagram.c
-@@ -360,12 +360,12 @@ int ipv6_recv_error(struct sock *sk, str
- 				*(struct in6_addr *)(nh + serr->addr_offset);
- 			if (np->sndflow)
- 				sin->sin6_flowinfo =
--					(*(__be32 *)(nh + serr->addr_offset - 24) &
--					 IPV6_FLOWINFO_MASK);
-+					net_hdr_word(nh + serr->addr_offset - 24) &
-+					 IPV6_FLOWINFO_MASK;
- 			if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
- 				sin->sin6_scope_id = IP6CB(skb)->iif;
- 		} else {
--			ipv6_addr_set_v4mapped(*(__be32 *)(nh + serr->addr_offset),
-+			ipv6_addr_set_v4mapped(net_hdr_word(nh + serr->addr_offset),
- 					       &sin->sin6_addr);
- 		}
- 	}
-@@ -492,9 +492,10 @@ int datagram_recv_ctl(struct sock *sk, s
- 		put_cmsg(msg, SOL_IPV6, IPV6_TCLASS, sizeof(tclass), &tclass);
- 	}
- 
--	if (np->rxopt.bits.rxflow && (*(__be32 *)nh & IPV6_FLOWINFO_MASK)) {
--		__be32 flowinfo = *(__be32 *)nh & IPV6_FLOWINFO_MASK;
--		put_cmsg(msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
-+	if (np->rxopt.bits.rxflow) {
-+		__be32 flowinfo = net_hdr_word(nh) & IPV6_FLOWINFO_MASK;
-+		if (flowinfo)
-+			put_cmsg(msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
- 	}
- 
- 	/* HbH is allowed only once */
-@@ -680,12 +681,12 @@ int datagram_send_ctl(struct net *net, s
- 			}
- 
- 			if (fl6->flowlabel&IPV6_FLOWINFO_MASK) {
--				if ((fl6->flowlabel^*(__be32 *)CMSG_DATA(cmsg))&~IPV6_FLOWINFO_MASK) {
-+				if ((fl6->flowlabel^net_hdr_word(CMSG_DATA(cmsg)))&~IPV6_FLOWINFO_MASK) {
- 					err = -EINVAL;
- 					goto exit_f;
- 				}
- 			}
--			fl6->flowlabel = IPV6_FLOWINFO_MASK & *(__be32 *)CMSG_DATA(cmsg);
-+			fl6->flowlabel = IPV6_FLOWINFO_MASK & net_hdr_word(CMSG_DATA(cmsg));
- 			break;
- 
- 		case IPV6_2292HOPOPTS:
---- a/net/ipv6/ip6_gre.c
-+++ b/net/ipv6/ip6_gre.c
-@@ -445,7 +445,7 @@ static void ip6gre_err(struct sk_buff *s
- 
- 	t = ip6gre_tunnel_lookup(skb->dev, &ipv6h->daddr, &ipv6h->saddr,
- 				flags & GRE_KEY ?
--				*(((__be32 *)p) + (grehlen / 4) - 1) : 0,
-+				net_hdr_word(((__be32 *)p) + (grehlen / 4) - 1) : 0,
- 				p[1]);
- 	if (t == NULL)
- 		return;
-@@ -537,11 +537,11 @@ static int ip6gre_rcv(struct sk_buff *sk
- 			offset += 4;
- 		}
- 		if (flags&GRE_KEY) {
--			key = *(__be32 *)(h + offset);
-+			key = net_hdr_word(h + offset);
- 			offset += 4;
- 		}
- 		if (flags&GRE_SEQ) {
--			seqno = ntohl(*(__be32 *)(h + offset));
-+			seqno = ntohl(net_hdr_word(h + offset));
- 			offset += 4;
- 		}
- 	}
-@@ -788,7 +788,7 @@ static netdev_tx_t ip6gre_xmit2(struct s
- 	 *	Push down and install the IP header.
- 	 */
- 	ipv6h = ipv6_hdr(skb);
--	*(__be32 *)ipv6h = fl6->flowlabel | htonl(0x60000000);
-+	net_hdr_word(ipv6h) = fl6->flowlabel | htonl(0x60000000);
- 	dsfield = INET_ECN_encapsulate(0, dsfield);
- 	ipv6_change_dsfield(ipv6h, ~INET_ECN_MASK, dsfield);
- 	ipv6h->hop_limit = tunnel->parms.hop_limit;
-@@ -805,7 +805,7 @@ static netdev_tx_t ip6gre_xmit2(struct s
- 
- 		if (tunnel->parms.o_flags&GRE_SEQ) {
- 			++tunnel->o_seqno;
--			*ptr = htonl(tunnel->o_seqno);
-+			net_hdr_word(ptr) = htonl(tunnel->o_seqno);
- 			ptr--;
- 		}
- 		if (tunnel->parms.o_flags&GRE_KEY) {
-@@ -913,9 +913,9 @@ static inline int ip6gre_xmit_ipv6(struc
- 
- 	dsfield = ipv6_get_dsfield(ipv6h);
- 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
--		fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
-+		fl6.flowlabel |= net_hdr_word(ipv6h) & IPV6_TCLASS_MASK;
- 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
--		fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
-+		fl6.flowlabel |= net_hdr_word(ipv6h) & IPV6_FLOWLABEL_MASK;
- 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
- 		fl6.flowi6_mark = skb->mark;
- 
-@@ -1256,7 +1256,7 @@ static int ip6gre_header(struct sk_buff
- 	struct ipv6hdr *ipv6h = (struct ipv6hdr *)skb_push(skb, t->hlen);
- 	__be16 *p = (__be16 *)(ipv6h+1);
- 
--	*(__be32 *)ipv6h = t->fl.u.ip6.flowlabel | htonl(0x60000000);
-+	net_hdr_word(ipv6h) = t->fl.u.ip6.flowlabel | htonl(0x60000000);
- 	ipv6h->hop_limit = t->parms.hop_limit;
- 	ipv6h->nexthdr = NEXTHDR_GRE;
- 	ipv6h->saddr = t->parms.laddr;
---- a/net/ipv6/ip6_output.c
-+++ b/net/ipv6/ip6_output.c
-@@ -216,7 +216,7 @@ int ip6_xmit(struct sock *sk, struct sk_
- 	if (hlimit < 0)
- 		hlimit = ip6_dst_hoplimit(dst);
- 
--	*(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl6->flowlabel;
-+	net_hdr_word(hdr) = htonl(0x60000000 | (tclass << 20)) | fl6->flowlabel;
- 
- 	hdr->payload_len = htons(seg_len);
- 	hdr->nexthdr = proto;
---- a/net/ipv6/ip6_tunnel.c
-+++ b/net/ipv6/ip6_tunnel.c
-@@ -1110,9 +1110,9 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, str
- 
- 	dsfield = ipv6_get_dsfield(ipv6h);
- 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
--		fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
-+		fl6.flowlabel |= net_hdr_word(ipv6h) & IPV6_TCLASS_MASK;
- 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
--		fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
-+		fl6.flowlabel |= net_hdr_word(ipv6h) & IPV6_FLOWLABEL_MASK;
- 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
- 		fl6.flowi6_mark = skb->mark;
- 
---- a/net/ipv6/exthdrs.c
-+++ b/net/ipv6/exthdrs.c
-@@ -622,7 +622,7 @@ static bool ipv6_hop_jumbo(struct sk_buf
- 		goto drop;
- 	}
- 
--	pkt_len = ntohl(*(__be32 *)(nh + optoff + 2));
-+	pkt_len = ntohl(net_hdr_word(nh + optoff + 2));
- 	if (pkt_len <= IPV6_MAXPLEN) {
- 		IP6_INC_STATS_BH(net, ipv6_skb_idev(skb),
- 				 IPSTATS_MIB_INHDRERRORS);
---- a/include/linux/types.h
-+++ b/include/linux/types.h
-@@ -211,5 +211,11 @@ struct callback_head {
- };
- #define rcu_head callback_head
- 
-+struct net_hdr_word {
-+       u32 words[1];
-+} __attribute__((packed, aligned(2)));
-+
-+#define net_hdr_word(_p) (((struct net_hdr_word *) (_p))->words[0])
-+
- #endif /*  __ASSEMBLY__ */
- #endif /* _LINUX_TYPES_H */
---- a/net/ipv4/af_inet.c
-+++ b/net/ipv4/af_inet.c
-@@ -1388,8 +1388,8 @@ static struct sk_buff **inet_gro_receive
- 	if (unlikely(ip_fast_csum((u8 *)iph, 5)))
- 		goto out_unlock;
- 
--	id = ntohl(*(__be32 *)&iph->id);
--	flush = (u16)((ntohl(*(__be32 *)iph) ^ skb_gro_len(skb)) | (id ^ IP_DF));
-+	id = ntohl(net_hdr_word(&iph->id));
-+	flush = (u16)((ntohl(net_hdr_word(iph)) ^ skb_gro_len(skb)) | (id ^ IP_DF));
- 	id >>= 16;
- 
- 	for (p = *head; p; p = p->next) {
---- a/net/ipv4/route.c
-+++ b/net/ipv4/route.c
-@@ -465,7 +465,7 @@ static struct neighbour *ipv4_neigh_look
- 	else if (skb)
- 		pkey = &ip_hdr(skb)->daddr;
- 
--	n = __ipv4_neigh_lookup(dev, *(__force u32 *)pkey);
-+	n = __ipv4_neigh_lookup(dev, net_hdr_word(pkey));
- 	if (n)
- 		return n;
- 	return neigh_create(&arp_tbl, pkey, dev);
---- a/net/ipv4/tcp_output.c
-+++ b/net/ipv4/tcp_output.c
-@@ -456,15 +456,17 @@ static void tcp_options_write(__be32 *pt
- 	 */
- 	if (unlikely(OPTION_MD5 & options)) {
- 		if (unlikely(OPTION_COOKIE_EXTENSION & options)) {
--			*ptr++ = htonl((TCPOPT_COOKIE << 24) |
--				       (TCPOLEN_COOKIE_BASE << 16) |
--				       (TCPOPT_MD5SIG << 8) |
--				       TCPOLEN_MD5SIG);
-+			net_hdr_word(ptr++) =
-+				htonl((TCPOPT_COOKIE << 24) |
-+				      (TCPOLEN_COOKIE_BASE << 16) |
-+				      (TCPOPT_MD5SIG << 8) |
-+				      TCPOLEN_MD5SIG);
- 		} else {
--			*ptr++ = htonl((TCPOPT_NOP << 24) |
--				       (TCPOPT_NOP << 16) |
--				       (TCPOPT_MD5SIG << 8) |
--				       TCPOLEN_MD5SIG);
-+			net_hdr_word(ptr++) =
-+				htonl((TCPOPT_NOP << 24) |
-+				      (TCPOPT_NOP << 16) |
-+				      (TCPOPT_MD5SIG << 8) |
-+				      TCPOLEN_MD5SIG);
- 		}
- 		options &= ~OPTION_COOKIE_EXTENSION;
- 		/* overload cookie hash location */
-@@ -473,26 +475,28 @@ static void tcp_options_write(__be32 *pt
- 	}
- 
- 	if (unlikely(opts->mss)) {
--		*ptr++ = htonl((TCPOPT_MSS << 24) |
--			       (TCPOLEN_MSS << 16) |
--			       opts->mss);
-+		net_hdr_word(ptr++) =
-+			htonl((TCPOPT_MSS << 24) | (TCPOLEN_MSS << 16) |
-+			      opts->mss);
- 	}
- 
- 	if (likely(OPTION_TS & options)) {
- 		if (unlikely(OPTION_SACK_ADVERTISE & options)) {
--			*ptr++ = htonl((TCPOPT_SACK_PERM << 24) |
--				       (TCPOLEN_SACK_PERM << 16) |
--				       (TCPOPT_TIMESTAMP << 8) |
--				       TCPOLEN_TIMESTAMP);
-+			net_hdr_word(ptr++) =
-+				htonl((TCPOPT_SACK_PERM << 24) |
-+				      (TCPOLEN_SACK_PERM << 16) |
-+				      (TCPOPT_TIMESTAMP << 8) |
-+				      TCPOLEN_TIMESTAMP);
- 			options &= ~OPTION_SACK_ADVERTISE;
- 		} else {
--			*ptr++ = htonl((TCPOPT_NOP << 24) |
--				       (TCPOPT_NOP << 16) |
--				       (TCPOPT_TIMESTAMP << 8) |
--				       TCPOLEN_TIMESTAMP);
-+			net_hdr_word(ptr++) =
-+				htonl((TCPOPT_NOP << 24) |
-+				      (TCPOPT_NOP << 16) |
-+				      (TCPOPT_TIMESTAMP << 8) |
-+				      TCPOLEN_TIMESTAMP);
- 		}
--		*ptr++ = htonl(opts->tsval);
--		*ptr++ = htonl(opts->tsecr);
-+		net_hdr_word(ptr++) = htonl(opts->tsval);
-+		net_hdr_word(ptr++) = htonl(opts->tsecr);
- 	}
- 
- 	/* Specification requires after timestamp, so do it now.
-@@ -512,19 +516,20 @@ static void tcp_options_write(__be32 *pt
- 			__u8 *p = (__u8 *)ptr;
- 
- 			/* 16-bit multiple */
--			*p++ = TCPOPT_COOKIE;
--			*p++ = TCPOLEN_COOKIE_BASE + cookie_size;
--			*p++ = *cookie_copy++;
--			*p++ = *cookie_copy++;
-+			net_hdr_word(p++) = TCPOPT_COOKIE;
-+			net_hdr_word(p++) = TCPOLEN_COOKIE_BASE + cookie_size;
-+			net_hdr_word(p++) = *cookie_copy++;
-+			net_hdr_word(p++) = *cookie_copy++;
- 			ptr++;
- 			cookie_size -= 2;
- 		} else {
- 			/* 32-bit multiple */
--			*ptr++ = htonl(((TCPOPT_NOP << 24) |
--					(TCPOPT_NOP << 16) |
--					(TCPOPT_COOKIE << 8) |
--					TCPOLEN_COOKIE_BASE) +
--				       cookie_size);
-+			net_hdr_word(ptr++) =
-+				htonl(((TCPOPT_NOP << 24) |
-+				       (TCPOPT_NOP << 16) |
-+				       (TCPOPT_COOKIE << 8) |
-+				       TCPOLEN_COOKIE_BASE) +
-+				      cookie_size);
- 		}
- 
- 		if (cookie_size > 0) {
-@@ -534,17 +539,19 @@ static void tcp_options_write(__be32 *pt
- 	}
- 
- 	if (unlikely(OPTION_SACK_ADVERTISE & options)) {
--		*ptr++ = htonl((TCPOPT_NOP << 24) |
--			       (TCPOPT_NOP << 16) |
--			       (TCPOPT_SACK_PERM << 8) |
--			       TCPOLEN_SACK_PERM);
-+		net_hdr_word(ptr++) =
-+			htonl((TCPOPT_NOP << 24) |
-+			      (TCPOPT_NOP << 16) |
-+			      (TCPOPT_SACK_PERM << 8) |
-+			      TCPOLEN_SACK_PERM);
- 	}
- 
- 	if (unlikely(OPTION_WSCALE & options)) {
--		*ptr++ = htonl((TCPOPT_NOP << 24) |
--			       (TCPOPT_WINDOW << 16) |
--			       (TCPOLEN_WINDOW << 8) |
--			       opts->ws);
-+		net_hdr_word(ptr++) =
-+			htonl((TCPOPT_NOP << 24) |
-+			      (TCPOPT_WINDOW << 16) |
-+			      (TCPOLEN_WINDOW << 8) |
-+			      opts->ws);
- 	}
- 
- 	if (unlikely(opts->num_sack_blocks)) {
-@@ -552,16 +559,17 @@ static void tcp_options_write(__be32 *pt
- 			tp->duplicate_sack : tp->selective_acks;
- 		int this_sack;
- 
--		*ptr++ = htonl((TCPOPT_NOP  << 24) |
--			       (TCPOPT_NOP  << 16) |
--			       (TCPOPT_SACK <<  8) |
--			       (TCPOLEN_SACK_BASE + (opts->num_sack_blocks *
-+		net_hdr_word(ptr++) =
-+			htonl((TCPOPT_NOP << 24) |
-+			      (TCPOPT_NOP << 16) |
-+			      (TCPOPT_SACK << 8) |
-+			      (TCPOLEN_SACK_BASE + (opts->num_sack_blocks *
- 						     TCPOLEN_SACK_PERBLOCK)));
- 
- 		for (this_sack = 0; this_sack < opts->num_sack_blocks;
- 		     ++this_sack) {
--			*ptr++ = htonl(sp[this_sack].start_seq);
--			*ptr++ = htonl(sp[this_sack].end_seq);
-+			net_hdr_word(ptr++) = htonl(sp[this_sack].start_seq);
-+			net_hdr_word(ptr++) = htonl(sp[this_sack].end_seq);
- 		}
- 
- 		tp->rx_opt.dsack = 0;
-@@ -570,9 +578,10 @@ static void tcp_options_write(__be32 *pt
- 	if (unlikely(OPTION_FAST_OPEN_COOKIE & options)) {
- 		struct tcp_fastopen_cookie *foc = opts->fastopen_cookie;
- 
--		*ptr++ = htonl((TCPOPT_EXP << 24) |
--			       ((TCPOLEN_EXP_FASTOPEN_BASE + foc->len) << 16) |
--			       TCPOPT_FASTOPEN_MAGIC);
-+		net_hdr_word(ptr++) =
-+			htonl((TCPOPT_EXP << 24) |
-+			      ((TCPOLEN_EXP_FASTOPEN_BASE + foc->len) << 16) |
-+			      TCPOPT_FASTOPEN_MAGIC);
- 
- 		memcpy(ptr, foc->val, foc->len);
- 		if ((foc->len & 3) == 2) {
---- a/net/ipv4/igmp.c
-+++ b/net/ipv4/igmp.c
-@@ -470,7 +470,7 @@ static struct sk_buff *add_grec(struct s
- 		if (!skb)
- 			return NULL;
- 		psrc = (__be32 *)skb_put(skb, sizeof(__be32));
--		*psrc = psf->sf_inaddr;
-+		net_hdr_word(psrc) = psf->sf_inaddr;
- 		scount++; stotal++;
- 		if ((type == IGMPV3_ALLOW_NEW_SOURCES ||
- 		     type == IGMPV3_BLOCK_OLD_SOURCES) && psf->sf_crcount) {
---- a/net/ipv4/ip_gre.c
-+++ b/net/ipv4/ip_gre.c
-@@ -533,7 +533,7 @@ static void ipgre_err(struct sk_buff *sk
- 		return;
- 
- 	if (flags & GRE_KEY)
--		key = *(((__be32 *)p) + (grehlen / 4) - 1);
-+		key = net_hdr_word(((__be32 *)p) + (grehlen / 4) - 1);
- 
- 	switch (type) {
- 	default:
---- a/include/uapi/linux/igmp.h
-+++ b/include/uapi/linux/igmp.h
-@@ -32,7 +32,7 @@ struct igmphdr {
- 	__u8 code;		/* For newer IGMP */
- 	__sum16 csum;
- 	__be32 group;
--};
-+} __attribute__((packed, aligned(2)));
- 
- /* V3 group record types [grec_type] */
- #define IGMPV3_MODE_IS_INCLUDE		1
-@@ -48,7 +48,7 @@ struct igmpv3_grec {
- 	__be16	grec_nsrcs;
- 	__be32	grec_mca;
- 	__be32	grec_src[0];
--};
-+} __attribute__((packed, aligned(2)));
- 
- struct igmpv3_report {
- 	__u8 type;
-@@ -57,7 +57,7 @@ struct igmpv3_report {
- 	__be16 resv2;
- 	__be16 ngrec;
- 	struct igmpv3_grec grec[0];
--};
-+} __attribute__((packed, aligned(2)));
- 
- struct igmpv3_query {
- 	__u8 type;
-@@ -78,7 +78,7 @@ struct igmpv3_query {
- 	__u8 qqic;
- 	__be16 nsrcs;
- 	__be32 srcs[0];
--};
-+} __attribute__((packed, aligned(2)));
- 
- #define IGMP_HOST_MEMBERSHIP_QUERY	0x11	/* From RFC1112 */
- #define IGMP_HOST_MEMBERSHIP_REPORT	0x12	/* Ditto */
---- a/net/core/flow_dissector.c
-+++ b/net/core/flow_dissector.c
-@@ -137,7 +137,7 @@ ipv6:
- 		nhoff += poff;
- 		ports = skb_header_pointer(skb, nhoff, sizeof(_ports), &_ports);
- 		if (ports)
--			flow->ports = *ports;
-+			flow->ports = net_hdr_word(ports);
- 	}
- 
- 	return true;
---- a/include/uapi/linux/icmpv6.h
-+++ b/include/uapi/linux/icmpv6.h
-@@ -76,7 +76,7 @@ struct icmp6hdr {
- #define icmp6_addrconf_other	icmp6_dataun.u_nd_ra.other
- #define icmp6_rt_lifetime	icmp6_dataun.u_nd_ra.rt_lifetime
- #define icmp6_router_pref	icmp6_dataun.u_nd_ra.router_pref
--};
-+} __attribute__((packed, aligned(2)));
- 
- 
- #define ICMPV6_ROUTER_PREF_LOW		0x3
---- a/include/net/ndisc.h
-+++ b/include/net/ndisc.h
-@@ -142,10 +142,10 @@ static inline u32 ndisc_hashfn(const voi
- {
- 	const u32 *p32 = pkey;
- 
--	return (((p32[0] ^ hash32_ptr(dev)) * hash_rnd[0]) +
--		(p32[1] * hash_rnd[1]) +
--		(p32[2] * hash_rnd[2]) +
--		(p32[3] * hash_rnd[3]));
-+	return (((net_hdr_word(&p32[0]) ^ hash32_ptr(dev)) * hash_rnd[0]) +
-+		(net_hdr_word(&p32[1]) * hash_rnd[1]) +
-+		(net_hdr_word(&p32[2]) * hash_rnd[2]) +
-+		(net_hdr_word(&p32[3]) * hash_rnd[3]));
- }
- 
- static inline struct neighbour *__ipv6_neigh_lookup(struct neigh_table *tbl, struct net_device *dev, const void *pkey)
---- a/net/sched/cls_u32.c
-+++ b/net/sched/cls_u32.c
-@@ -142,7 +142,7 @@ next_knode:
- 			data = skb_header_pointer(skb, toff, 4, &hdata);
- 			if (!data)
- 				goto out;
--			if ((*data ^ key->val) & key->mask) {
-+			if ((net_hdr_word(data) ^ key->val) & key->mask) {
- 				n = n->next;
- 				goto next_knode;
- 			}
-@@ -193,8 +193,8 @@ check_terminal:
- 						  &hdata);
- 			if (!data)
- 				goto out;
--			sel = ht->divisor & u32_hash_fold(*data, &n->sel,
--							  n->fshift);
-+			sel = ht->divisor & u32_hash_fold(net_hdr_word(data),
-+							  &n->sel, n->fshift);
- 		}
- 		if (!(n->sel.flags & (TC_U32_VAROFFSET | TC_U32_OFFSET | TC_U32_EAT)))
- 			goto next_ht;