--- a/arch/mips/include/asm/checksum.h
+++ b/arch/mips/include/asm/checksum.h
-@@ -12,6 +12,7 @@
- #define _ASM_CHECKSUM_H
-
- #include <linux/in6.h>
-+#include <linux/unaligned/packed_struct.h>
-
- #include <asm/uaccess.h>
-
-@@ -104,26 +105,30 @@ static inline __sum16 ip_fast_csum(const
+@@ -104,26 +104,30 @@ static inline __sum16 ip_fast_csum(const
const unsigned int *stop = word + ihl;
unsigned int csum;
int carry;
- csum = word[0];
- csum += word[1];
- carry = (csum < word[1]);
-+ csum = __get_unaligned_cpu32(word++);
++ csum = net_hdr_word(word++);
+
-+ w = __get_unaligned_cpu32(word++);
++ w = net_hdr_word(word++);
+ csum += w;
+ carry = (csum < w);
csum += carry;
- csum += word[2];
- carry = (csum < word[2]);
-+ w = __get_unaligned_cpu32(word++);
++ w = net_hdr_word(word++);
+ csum += w;
+ carry = (csum < w);
csum += carry;
- csum += word[3];
- carry = (csum < word[3]);
-+ w = __get_unaligned_cpu32(word++);
++ w = net_hdr_word(word++);
+ csum += w;
+ carry = (csum < w);
csum += carry;
do {
- csum += *word;
- carry = (csum < *word);
-+ w = __get_unaligned_cpu32(word++);
++ w = net_hdr_word(word++);
+ csum += w;
+ carry = (csum < w);
csum += carry;
} 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 daddr;
/*The options start here. */
-};
-+} __packed __attribute__((aligned(2)));
++} __attribute__((packed, aligned(2)));
struct ip_auth_hdr {
struct in6_addr saddr;
struct in6_addr daddr;
-};
-+} __packed __attribute__((aligned(2)));
++} __attribute__((packed, aligned(2)));
/* index values for the variables in ipv6_devconf */
__sum16 check;
__be16 urg_ptr;
-};
-+} __packed __attribute__((aligned(2)));
++} __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 len;
__sum16 check;
-};
-+} __packed __attribute__((aligned(2)));
++} __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
-@@ -14,6 +14,7 @@
- #include <linux/skbuff.h>
- #include <linux/icmp.h>
- #include <linux/sysctl.h>
-+#include <linux/unaligned/packed_struct.h>
- #include <net/route.h>
- #include <net/ip.h>
-
-@@ -39,8 +40,8 @@ static bool ipv4_pkt_to_tuple(const stru
+@@ -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 = __get_unaligned_cpu32(ap++);
-+ tuple->dst.u3.ip = __get_unaligned_cpu32(ap);
++ 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
+@@ -3842,13 +3842,14 @@ 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;
projects / 15.05 / openwrt.git / blobdiff