diff options
Diffstat (limited to 'target/linux/ath79/patches-5.10/910-unaligned_access_hacks.patch')
| -rw-r--r-- | target/linux/ath79/patches-5.10/910-unaligned_access_hacks.patch | 903 |
1 files changed, 0 insertions, 903 deletions
diff --git a/target/linux/ath79/patches-5.10/910-unaligned_access_hacks.patch b/target/linux/ath79/patches-5.10/910-unaligned_access_hacks.patch deleted file mode 100644 index 2ec0c2b9ac..0000000000 --- a/target/linux/ath79/patches-5.10/910-unaligned_access_hacks.patch +++ /dev/null @@ -1,903 +0,0 @@ -From: Felix Fietkau <nbd@openwrt.org> -Subject: [PATCH] ar71xx: fix unaligned access in a few more places - -SVN-Revision: 35130 ---- - arch/mips/include/asm/checksum.h | 83 +++--------------- - include/uapi/linux/ip.h | 2 +- - include/uapi/linux/ipv6.h | 2 +- - include/uapi/linux/tcp.h | 4 ++-- - include/uapi/linux/udp.h | 2 +- - net/netfilter/nf_conntrack_core.c | 4 ++-- - include/uapi/linux/icmp.h | 2 +- - include/uapi/linux/in6.h | 2 +- - net/ipv6/tcp_ipv6.c | 9 +++-- - net/ipv6/datagram.c | 6 ++-- - net/ipv6/exthdrs.c | 2 +- - include/linux/types.h | 5 +++ - net/ipv4/af_inet.c | 4 ++-- - net/ipv4/tcp_output.c | 69 +++++++++-------- - include/uapi/linux/igmp.h | 8 +++--- - net/core/flow_dissector.c | 2 +- - include/uapi/linux/icmpv6.h | 2 +- - include/net/ndisc.h | 10 ++++---- - net/sched/cls_u32.c | 6 +++--- - net/ipv6/ip6_offload.c | 2 +- - include/net/addrconf.h | 2 +- - include/net/inet_ecn.h | 4 ++-- - include/net/ipv6.h | 23 +++++---- - include/net/secure_seq.h | 1 + - include/uapi/linux/in.h | 2 +- - net/ipv6/ip6_fib.h | 2 +- - net/netfilter/nf_conntrack_proto_tcp.c | 2 +- - net/xfrm/xfrm_input.c | 4 ++-- - net/ipv4/tcp_input.c | 12 ++++--- - include/uapi/linux/if_pppox.h | 1 + - net/ipv6/netfilter/nf_log_ipv6.c | 4 ++-- - include/net/neighbour.h | 6 +++-- - include/uapi/linux/netfilter_arp/arp_tables.h | 2 +- - net/core/utils.c | 10 +++++-- - include/linux/etherdevice.h | 11 ++++--- - net/ipv4/tcp_offload.c | 6 +++--- - net/ipv6/netfilter/ip6table_mangle.c | 4 ++-- - 37 file changed, 171 insertions(+), 141 deletions(-) - ---- a/arch/mips/include/asm/checksum.h -+++ b/arch/mips/include/asm/checksum.h -@@ -100,26 +100,30 @@ 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); -@@ -180,73 +184,6 @@ 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, __u8 proto, -- __wsum sum) --{ -- __wsum tmp; -- -- __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" (tmp) -- : "r" (saddr), "r" (daddr), -- "0" (htonl(len)), "r" (htonl(proto)), "r" (sum)); -- -- return csum_fold(sum); --} -- - #include <asm-generic/checksum.h> - #endif /* CONFIG_GENERIC_CSUM */ - ---- a/include/uapi/linux/ip.h -+++ b/include/uapi/linux/ip.h -@@ -106,7 +106,7 @@ struct iphdr { - __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 -@@ -135,7 +135,7 @@ 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 -@@ -55,7 +55,7 @@ struct tcphdr { - __be16 window; - __sum16 check; - __be16 urg_ptr; --}; -+} __attribute__((packed, aligned(2))); - - /* - * The union cast uses a gcc extension to avoid aliasing problems -@@ -65,7 +65,7 @@ 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 -@@ -25,7 +25,7 @@ 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/netfilter/nf_conntrack_core.c -+++ b/net/netfilter/nf_conntrack_core.c -@@ -271,8 +271,8 @@ nf_ct_get_tuple(const struct sk_buff *sk - - switch (l3num) { - case NFPROTO_IPV4: -- 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); - break; - case NFPROTO_IPV6: - memcpy(tuple->src.u3.ip6, ap, sizeof(tuple->src.u3.ip6)); ---- a/include/uapi/linux/icmp.h -+++ b/include/uapi/linux/icmp.h -@@ -83,7 +83,7 @@ struct icmphdr { - } frag; - __u8 reserved[4]; - } un; --}; -+} __attribute__((packed, aligned(2))); - - - /* ---- a/include/uapi/linux/in6.h -+++ b/include/uapi/linux/in6.h -@@ -43,7 +43,7 @@ struct in6_addr { - #define s6_addr16 in6_u.u6_addr16 - #define s6_addr32 in6_u.u6_addr32 - #endif --}; -+} __attribute__((packed, aligned(2))); - #endif /* __UAPI_DEF_IN6_ADDR */ - - #if __UAPI_DEF_SOCKADDR_IN6 ---- a/net/ipv6/tcp_ipv6.c -+++ b/net/ipv6/tcp_ipv6.c -@@ -35,6 +35,7 @@ - #include <linux/ipsec.h> - #include <linux/times.h> - #include <linux/slab.h> -+#include <asm/unaligned.h> - #include <linux/uaccess.h> - #include <linux/ipv6.h> - #include <linux/icmpv6.h> -@@ -927,10 +928,10 @@ static void tcp_v6_send_response(const s - topt = (__be32 *)(t1 + 1); - - if (tsecr) { -- *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | -- (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP); -- *topt++ = htonl(tsval); -- *topt++ = htonl(tsecr); -+ put_unaligned_be32((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | -+ (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP, topt++); -+ put_unaligned_be32(tsval, topt++); -+ put_unaligned_be32(tsecr, topt++); - } - - #ifdef CONFIG_TCP_MD5SIG ---- a/net/ipv6/datagram.c -+++ b/net/ipv6/datagram.c -@@ -492,7 +492,7 @@ int ipv6_recv_error(struct sock *sk, str - ipv6_iface_scope_id(&sin->sin6_addr, - 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); - sin->sin6_scope_id = 0; - } -@@ -846,12 +846,12 @@ int ip6_datagram_send_ctl(struct net *ne - } - - 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/exthdrs.c -+++ b/net/ipv6/exthdrs.c -@@ -948,7 +948,7 @@ 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(net, idev, IPSTATS_MIB_INHDRERRORS); - icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff+2); ---- a/include/linux/types.h -+++ b/include/linux/types.h -@@ -227,5 +227,11 @@ typedef void (*swap_func_t)(void *a, voi - typedef int (*cmp_r_func_t)(const void *a, const void *b, const void *priv); - typedef int (*cmp_func_t)(const void *a, const void *b); - -+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 -@@ -1469,8 +1469,8 @@ struct sk_buff *inet_gro_receive(struct - 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; - - list_for_each_entry(p, head, list) { ---- a/net/ipv4/tcp_output.c -+++ b/net/ipv4/tcp_output.c -@@ -609,48 +609,53 @@ static void tcp_options_write(__be32 *pt - u16 options = opts->options; /* mungable copy */ - - if (unlikely(OPTION_MD5 & options)) { -- *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); - /* overload cookie hash location */ - opts->hash_location = (__u8 *)ptr; - ptr += 4; - } - - 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); - } - - 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)) { -@@ -658,16 +663,17 @@ 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; -@@ -680,13 +686,14 @@ static void tcp_options_write(__be32 *pt - - if (foc->exp) { - len = TCPOLEN_EXP_FASTOPEN_BASE + foc->len; -- *ptr = htonl((TCPOPT_EXP << 24) | (len << 16) | -+ net_hdr_word(ptr) = -+ htonl((TCPOPT_EXP << 24) | (len << 16) | - TCPOPT_FASTOPEN_MAGIC); - p += TCPOLEN_EXP_FASTOPEN_BASE; - } else { - len = TCPOLEN_FASTOPEN_BASE + foc->len; -- *p++ = TCPOPT_FASTOPEN; -- *p++ = len; -+ net_hdr_word(p++) = TCPOPT_FASTOPEN; -+ net_hdr_word(p++) = len; - } - - memcpy(p, foc->val, foc->len); ---- a/include/uapi/linux/igmp.h -+++ b/include/uapi/linux/igmp.h -@@ -33,7 +33,7 @@ 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 -@@ -49,7 +49,7 @@ struct igmpv3_grec { - __be16 grec_nsrcs; - __be32 grec_mca; - __be32 grec_src[0]; --}; -+} __attribute__((packed, aligned(2))); - - struct igmpv3_report { - __u8 type; -@@ -58,7 +58,7 @@ struct igmpv3_report { - __be16 resv2; - __be16 ngrec; - struct igmpv3_grec grec[0]; --}; -+} __attribute__((packed, aligned(2))); - - struct igmpv3_query { - __u8 type; -@@ -79,7 +79,7 @@ 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 -@@ -128,7 +128,7 @@ __be32 __skb_flow_get_ports(const struct - ports = __skb_header_pointer(skb, thoff + poff, - sizeof(_ports), data, hlen, &_ports); - if (ports) -- return *ports; -+ return (__be32)net_hdr_word(ports); - } - - return 0; ---- a/include/uapi/linux/icmpv6.h -+++ b/include/uapi/linux/icmpv6.h -@@ -78,7 +78,7 @@ 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 -@@ -93,7 +93,7 @@ struct ra_msg { - struct icmp6hdr icmph; - __be32 reachable_time; - __be32 retrans_timer; --}; -+} __attribute__((packed, aligned(2))); - - struct rd_msg { - struct icmp6hdr icmph; -@@ -372,10 +372,10 @@ 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_noref(struct net_device *dev, const void *pkey) ---- a/net/sched/cls_u32.c -+++ b/net/sched/cls_u32.c -@@ -155,7 +155,7 @@ 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 = rcu_dereference_bh(n->next); - goto next_knode; - } -@@ -206,8 +206,8 @@ 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; ---- a/net/ipv6/ip6_offload.c -+++ b/net/ipv6/ip6_offload.c -@@ -240,7 +240,7 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff * - continue; - - iph2 = (struct ipv6hdr *)(p->data + off); -- 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. - * XXX skbs on the gro_list have all been parsed and pulled ---- a/include/net/addrconf.h -+++ b/include/net/addrconf.h -@@ -47,7 +47,7 @@ struct prefix_info { - __be32 reserved2; - - struct in6_addr prefix; --}; -+} __attribute__((packed, aligned(2))); - - #include <linux/ipv6.h> - #include <linux/netdevice.h> ---- a/include/net/inet_ecn.h -+++ b/include/net/inet_ecn.h -@@ -140,9 +140,9 @@ static inline int IP6_ECN_set_ce(struct - if (INET_ECN_is_not_ect(ipv6_get_dsfield(iph))) - return 0; - -- from = *(__be32 *)iph; -+ from = net_hdr_word(iph); - to = from | htonl(INET_ECN_CE << 20); -- *(__be32 *)iph = to; -+ net_hdr_word(iph) = to; - if (skb->ip_summed == CHECKSUM_COMPLETE) - skb->csum = csum_add(csum_sub(skb->csum, (__force __wsum)from), - (__force __wsum)to); ---- a/include/net/ipv6.h -+++ b/include/net/ipv6.h -@@ -146,7 +146,7 @@ struct frag_hdr { - __u8 reserved; - __be16 frag_off; - __be32 identification; --}; -+} __attribute__((packed, aligned(2))); - - #define IP6_MF 0x0001 - #define IP6_OFFSET 0xFFF8 -@@ -560,8 +560,8 @@ static inline void __ipv6_addr_set_half( - } - #endif - #endif -- addr[0] = wh; -- addr[1] = wl; -+ net_hdr_word(&addr[0]) = wh; -+ net_hdr_word(&addr[1]) = wl; - } - - static inline void ipv6_addr_set(struct in6_addr *addr, -@@ -620,6 +620,8 @@ static inline bool ipv6_prefix_equal(con - const __be32 *a1 = addr1->s6_addr32; - const __be32 *a2 = addr2->s6_addr32; - unsigned int pdw, pbi; -+ /* Used for last <32-bit fraction of prefix */ -+ u32 pbia1, pbia2; - - /* check complete u32 in prefix */ - pdw = prefixlen >> 5; -@@ -628,7 +630,9 @@ static inline bool ipv6_prefix_equal(con - - /* check incomplete u32 in prefix */ - pbi = prefixlen & 0x1f; -- if (pbi && ((a1[pdw] ^ a2[pdw]) & htonl((0xffffffff) << (32 - pbi)))) -+ pbia1 = net_hdr_word(&a1[pdw]); -+ pbia2 = net_hdr_word(&a2[pdw]); -+ if (pbi && ((pbia1 ^ pbia2) & htonl((0xffffffff) << (32 - pbi)))) - return false; - - return true; -@@ -749,13 +753,13 @@ static inline void ipv6_addr_set_v4mappe - */ - static inline int __ipv6_addr_diff32(const void *token1, const void *token2, int addrlen) - { -- const __be32 *a1 = token1, *a2 = token2; -+ const struct in6_addr *a1 = token1, *a2 = token2; - int i; - - addrlen >>= 2; - - for (i = 0; i < addrlen; i++) { -- __be32 xb = a1[i] ^ a2[i]; -+ __be32 xb = a1->s6_addr32[i] ^ a2->s6_addr32[i]; - if (xb) - return i * 32 + 31 - __fls(ntohl(xb)); - } -@@ -941,17 +945,18 @@ static inline int ip6_multipath_hash_pol - static inline void ip6_flow_hdr(struct ipv6hdr *hdr, unsigned int tclass, - __be32 flowlabel) - { -- *(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | flowlabel; -+ net_hdr_word((__be32 *)hdr) = -+ htonl(0x60000000 | (tclass << 20)) | flowlabel; - } - - static inline __be32 ip6_flowinfo(const struct ipv6hdr *hdr) - { -- return *(__be32 *)hdr & IPV6_FLOWINFO_MASK; -+ return net_hdr_word((__be32 *)hdr) & IPV6_FLOWINFO_MASK; - } - - static inline __be32 ip6_flowlabel(const struct ipv6hdr *hdr) - { -- return *(__be32 *)hdr & IPV6_FLOWLABEL_MASK; -+ return net_hdr_word((__be32 *)hdr) & IPV6_FLOWLABEL_MASK; - } - - static inline u8 ip6_tclass(__be32 flowinfo) ---- a/include/net/secure_seq.h -+++ b/include/net/secure_seq.h -@@ -3,6 +3,7 @@ - #define _NET_SECURE_SEQ - - #include <linux/types.h> -+#include <linux/in6.h> - - u64 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport); - u64 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, ---- a/include/uapi/linux/in.h -+++ b/include/uapi/linux/in.h -@@ -88,7 +88,7 @@ enum { - /* Internet address. */ - struct in_addr { - __be32 s_addr; --}; -+} __attribute__((packed, aligned(2))); - #endif - - #define IP_TOS 1 ---- a/net/ipv6/ip6_fib.c -+++ b/net/ipv6/ip6_fib.c -@@ -140,7 +140,7 @@ static __be32 addr_bit_set(const void *t - * See include/asm-generic/bitops/le.h. - */ - return (__force __be32)(1 << ((~fn_bit ^ BITOP_BE32_SWIZZLE) & 0x1f)) & -- addr[fn_bit >> 5]; -+ net_hdr_word(&addr[fn_bit >> 5]); - } - - struct fib6_info *fib6_info_alloc(gfp_t gfp_flags, bool with_fib6_nh) ---- a/net/netfilter/nf_conntrack_proto_tcp.c -+++ b/net/netfilter/nf_conntrack_proto_tcp.c -@@ -412,7 +412,7 @@ static void tcp_sack(const struct sk_buf - - /* Fast path for timestamp-only option */ - if (length == TCPOLEN_TSTAMP_ALIGNED -- && *(__be32 *)ptr == htonl((TCPOPT_NOP << 24) -+ && net_hdr_word(ptr) == htonl((TCPOPT_NOP << 24) - | (TCPOPT_NOP << 16) - | (TCPOPT_TIMESTAMP << 8) - | TCPOLEN_TIMESTAMP)) ---- a/net/xfrm/xfrm_input.c -+++ b/net/xfrm/xfrm_input.c -@@ -165,8 +165,8 @@ int xfrm_parse_spi(struct sk_buff *skb, - if (!pskb_may_pull(skb, hlen)) - return -EINVAL; - -- *spi = *(__be32 *)(skb_transport_header(skb) + offset); -- *seq = *(__be32 *)(skb_transport_header(skb) + offset_seq); -+ *spi = net_hdr_word(skb_transport_header(skb) + offset); -+ *seq = net_hdr_word(skb_transport_header(skb) + offset_seq); - return 0; - } - EXPORT_SYMBOL(xfrm_parse_spi); ---- a/net/ipv4/tcp_input.c -+++ b/net/ipv4/tcp_input.c -@@ -4128,14 +4128,16 @@ 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; -- if (*ptr) -- tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset; -+ if (net_hdr_word(ptr)) -+ tp->rx_opt.rcv_tsecr = get_unaligned_be32(ptr) - -+ tp->tsoffset; - else - tp->rx_opt.rcv_tsecr = 0; - return true; ---- a/include/uapi/linux/if_pppox.h -+++ b/include/uapi/linux/if_pppox.h -@@ -51,6 +51,7 @@ struct pppoe_addr { - */ - struct pptp_addr { - __u16 call_id; -+ __u16 pad; - struct in_addr sin_addr; - }; - ---- a/net/ipv6/netfilter/nf_log_ipv6.c -+++ b/net/ipv6/netfilter/nf_log_ipv6.c -@@ -63,9 +63,9 @@ static void dump_ipv6_packet(struct net - /* Max length: 44 "LEN=65535 TC=255 HOPLIMIT=255 FLOWLBL=FFFFF " */ - nf_log_buf_add(m, "LEN=%zu TC=%u HOPLIMIT=%u FLOWLBL=%u ", - ntohs(ih->payload_len) + sizeof(struct ipv6hdr), -- (ntohl(*(__be32 *)ih) & 0x0ff00000) >> 20, -+ (ntohl(net_hdr_word(ih)) & 0x0ff00000) >> 20, - ih->hop_limit, -- (ntohl(*(__be32 *)ih) & 0x000fffff)); -+ (ntohl(net_hdr_word(ih)) & 0x000fffff)); - - fragment = 0; - ptr = ip6hoff + sizeof(struct ipv6hdr); ---- a/include/net/neighbour.h -+++ b/include/net/neighbour.h -@@ -275,8 +275,10 @@ static inline bool neigh_key_eq128(const - const u32 *n32 = (const u32 *)n->primary_key; - const u32 *p32 = pkey; - -- return ((n32[0] ^ p32[0]) | (n32[1] ^ p32[1]) | -- (n32[2] ^ p32[2]) | (n32[3] ^ p32[3])) == 0; -+ return ((n32[0] ^ net_hdr_word(&p32[0])) | -+ (n32[1] ^ net_hdr_word(&p32[1])) | -+ (n32[2] ^ net_hdr_word(&p32[2])) | -+ (n32[3] ^ net_hdr_word(&p32[3]))) == 0; - } - - static inline struct neighbour *___neigh_lookup_noref( ---- a/include/uapi/linux/netfilter_arp/arp_tables.h -+++ b/include/uapi/linux/netfilter_arp/arp_tables.h -@@ -70,7 +70,7 @@ struct arpt_arp { - __u8 flags; - /* Inverse flags */ - __u16 invflags; --}; -+} __attribute__((aligned(4))); - - /* Values for "flag" field in struct arpt_ip (general arp structure). - * No flags defined yet. ---- a/net/core/utils.c -+++ b/net/core/utils.c -@@ -460,8 +460,14 @@ void inet_proto_csum_replace16(__sum16 * - bool pseudohdr) - { - __be32 diff[] = { -- ~from[0], ~from[1], ~from[2], ~from[3], -- to[0], to[1], to[2], to[3], -+ ~net_hdr_word(&from[0]), -+ ~net_hdr_word(&from[1]), -+ ~net_hdr_word(&from[2]), -+ ~net_hdr_word(&from[3]), -+ net_hdr_word(&to[0]), -+ net_hdr_word(&to[1]), -+ net_hdr_word(&to[2]), -+ net_hdr_word(&to[3]), - }; - if (skb->ip_summed != CHECKSUM_PARTIAL) { - *sum = csum_fold(csum_partial(diff, sizeof(diff), ---- a/include/linux/etherdevice.h -+++ b/include/linux/etherdevice.h -@@ -513,7 +513,7 @@ static inline bool is_etherdev_addr(cons - * @b: Pointer to Ethernet header - * - * Compare two Ethernet headers, returns 0 if equal. -- * This assumes that the network header (i.e., IP header) is 4-byte -+ * This assumes that the network header (i.e., IP header) is 2-byte - * aligned OR the platform can handle unaligned access. This is the - * case for all packets coming into netif_receive_skb or similar - * entry points. -@@ -536,11 +536,12 @@ static inline unsigned long compare_ethe - fold |= *(unsigned long *)(a + 6) ^ *(unsigned long *)(b + 6); - return fold; - #else -- u32 *a32 = (u32 *)((u8 *)a + 2); -- u32 *b32 = (u32 *)((u8 *)b + 2); -+ const u16 *a16 = a; -+ const u16 *b16 = b; - -- return (*(u16 *)a ^ *(u16 *)b) | (a32[0] ^ b32[0]) | -- (a32[1] ^ b32[1]) | (a32[2] ^ b32[2]); -+ return (a16[0] ^ b16[0]) | (a16[1] ^ b16[1]) | (a16[2] ^ b16[2]) | -+ (a16[3] ^ b16[3]) | (a16[4] ^ b16[4]) | (a16[5] ^ b16[5]) | -+ (a16[6] ^ b16[6]); - #endif - } - ---- a/net/ipv4/tcp_offload.c -+++ b/net/ipv4/tcp_offload.c -@@ -223,7 +223,7 @@ struct sk_buff *tcp_gro_receive(struct l - - th2 = tcp_hdr(p); - -- if (*(u32 *)&th->source ^ *(u32 *)&th2->source) { -+ if (net_hdr_word(&th->source) ^ net_hdr_word(&th2->source)) { - NAPI_GRO_CB(p)->same_flow = 0; - continue; - } -@@ -241,8 +241,8 @@ found: - ~(TCP_FLAG_CWR | TCP_FLAG_FIN | TCP_FLAG_PSH)); - flush |= (__force int)(th->ack_seq ^ th2->ack_seq); - for (i = sizeof(*th); i < thlen; i += 4) -- flush |= *(u32 *)((u8 *)th + i) ^ -- *(u32 *)((u8 *)th2 + i); -+ flush |= net_hdr_word((u8 *)th + i) ^ -+ net_hdr_word((u8 *)th2 + i); - - /* When we receive our second frame we can made a decision on if we - * continue this flow as an atomic flow with a fixed ID or if we use ---- a/net/ipv6/netfilter/ip6table_mangle.c -+++ b/net/ipv6/netfilter/ip6table_mangle.c -@@ -47,7 +47,7 @@ ip6t_mangle_out(struct sk_buff *skb, con - hop_limit = ipv6_hdr(skb)->hop_limit; - - /* flowlabel and prio (includes version, which shouldn't change either */ -- flowlabel = *((u_int32_t *)ipv6_hdr(skb)); -+ flowlabel = net_hdr_word(ipv6_hdr(skb)); - - ret = ip6t_do_table(skb, state, state->net->ipv6.ip6table_mangle); - -@@ -56,7 +56,7 @@ ip6t_mangle_out(struct sk_buff *skb, con - !ipv6_addr_equal(&ipv6_hdr(skb)->daddr, &daddr) || - skb->mark != mark || - ipv6_hdr(skb)->hop_limit != hop_limit || -- flowlabel != *((u_int32_t *)ipv6_hdr(skb)))) { -+ flowlabel != net_hdr_word(ipv6_hdr(skb)))) { - err = ip6_route_me_harder(state->net, state->sk, skb); - if (err < 0) - ret = NF_DROP_ERR(err); |