diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch | 787 |
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; 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