diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-04-25 18:04:18 -0700 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:25:31 -0700 |
commit | 9c70220b73908f64792422a2c39c593c4792f2c5 (patch) | |
tree | 2090ea10aaa2714a5e095bae8cc02e743c378a3a /net | |
parent | a27ef749e7be3b06fb58df53d94eb97a21f18707 (diff) | |
download | kernel_samsung_tuna-9c70220b73908f64792422a2c39c593c4792f2c5.zip kernel_samsung_tuna-9c70220b73908f64792422a2c39c593c4792f2c5.tar.gz kernel_samsung_tuna-9c70220b73908f64792422a2c39c593c4792f2c5.tar.bz2 |
[SK_BUFF]: Introduce skb_transport_header(skb)
For the places where we need a pointer to the transport header, it is
still legal to touch skb->h.raw directly if just adding to,
subtracting from or setting it to another layer header.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/802/psnap.c | 2 | ||||
-rw-r--r-- | net/ax25/af_ax25.c | 5 | ||||
-rw-r--r-- | net/bluetooth/hci_core.c | 4 | ||||
-rw-r--r-- | net/core/dev.c | 6 | ||||
-rw-r--r-- | net/econet/af_econet.c | 2 | ||||
-rw-r--r-- | net/ipv4/igmp.c | 2 | ||||
-rw-r--r-- | net/ipv4/ip_gre.c | 2 | ||||
-rw-r--r-- | net/ipv4/ip_output.c | 6 | ||||
-rw-r--r-- | net/ipv4/ipconfig.c | 4 | ||||
-rw-r--r-- | net/ipv4/ipmr.c | 8 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 12 | ||||
-rw-r--r-- | net/ipv4/tcp_input.c | 13 | ||||
-rw-r--r-- | net/ipv4/xfrm4_mode_beet.c | 2 | ||||
-rw-r--r-- | net/ipv4/xfrm4_mode_transport.c | 5 | ||||
-rw-r--r-- | net/ipv6/ah6.c | 2 | ||||
-rw-r--r-- | net/ipv6/esp6.c | 2 | ||||
-rw-r--r-- | net/ipv6/exthdrs.c | 21 | ||||
-rw-r--r-- | net/ipv6/ipcomp6.c | 2 | ||||
-rw-r--r-- | net/ipv6/mcast.c | 16 | ||||
-rw-r--r-- | net/ipv6/mip6.c | 8 | ||||
-rw-r--r-- | net/ipv6/ndisc.c | 17 | ||||
-rw-r--r-- | net/ipv6/raw.c | 2 | ||||
-rw-r--r-- | net/ipv6/reassembly.c | 2 | ||||
-rw-r--r-- | net/ipv6/xfrm6_mode_transport.c | 5 | ||||
-rw-r--r-- | net/xfrm/xfrm_input.c | 6 |
25 files changed, 84 insertions, 72 deletions
diff --git a/net/802/psnap.c b/net/802/psnap.c index 6e7c212..7cba1f4 100644 --- a/net/802/psnap.c +++ b/net/802/psnap.c @@ -56,7 +56,7 @@ static int snap_rcv(struct sk_buff *skb, struct net_device *dev, }; rcu_read_lock(); - proto = find_snap_client(skb->h.raw); + proto = find_snap_client(skb_transport_header(skb)); if (proto) { /* Pass the frame on. */ skb->h.raw += 5; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 75d4d69..5f28887 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1585,9 +1585,10 @@ static int ax25_sendmsg(struct kiocb *iocb, struct socket *sock, skb_set_transport_header(skb, lv); - SOCK_DEBUG(sk, "base=%p pos=%p\n", skb->data, skb->h.raw); + SOCK_DEBUG(sk, "base=%p pos=%p\n", + skb->data, skb_transport_header(skb)); - *skb->h.raw = AX25_UI; + *skb_transport_header(skb) = AX25_UI; /* Datagram frames go straight out of the door as UI */ ax25_queue_xmit(skb, ax25->ax25_dev->dev); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index c11ceb6..c177e75 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1076,7 +1076,7 @@ static void hci_add_acl_hdr(struct sk_buff *skb, __u16 handle, __u16 flags) skb_push(skb, HCI_ACL_HDR_SIZE); skb_reset_transport_header(skb); - hdr = (struct hci_acl_hdr *)skb->h.raw; + hdr = (struct hci_acl_hdr *)skb_transport_header(skb); hdr->handle = cpu_to_le16(hci_handle_pack(handle, flags)); hdr->dlen = cpu_to_le16(len); } @@ -1145,7 +1145,7 @@ int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb) skb_push(skb, HCI_SCO_HDR_SIZE); skb_reset_transport_header(skb); - memcpy(skb->h.raw, &hdr, HCI_SCO_HDR_SIZE); + memcpy(skb_transport_header(skb), &hdr, HCI_SCO_HDR_SIZE); skb->dev = (void *) hdev; bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; diff --git a/net/core/dev.c b/net/core/dev.c index f7f7e56..30fcc7f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1175,12 +1175,12 @@ int skb_checksum_help(struct sk_buff *skb) BUG_ON(offset > (int)skb->len); csum = skb_checksum(skb, offset, skb->len-offset, 0); - offset = skb->tail - skb->h.raw; + offset = skb->tail - skb_transport_header(skb); BUG_ON(offset <= 0); BUG_ON(skb->csum_offset + 2 > offset); - *(__sum16*)(skb->h.raw + skb->csum_offset) = csum_fold(csum); - + *(__sum16 *)(skb_transport_header(skb) + + skb->csum_offset) = csum_fold(csum); out_set_summed: skb->ip_summed = CHECKSUM_NONE; out: diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c index dcc2e4b..78993da 100644 --- a/net/econet/af_econet.c +++ b/net/econet/af_econet.c @@ -943,7 +943,7 @@ static void aun_data_available(struct sock *sk, int slen) printk(KERN_DEBUG "AUN: recvfrom() error %d\n", -err); } - data = skb->h.raw + sizeof(struct udphdr); + data = skb_transport_header(skb) + sizeof(struct udphdr); ah = (struct aunhdr *)data; len = skb->len - sizeof(struct udphdr); ip = ip_hdr(skb); diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 292516b..8f0df7b 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -348,7 +348,7 @@ static int igmpv3_sendpack(struct sk_buff *skb) struct iphdr *pip = ip_hdr(skb); struct igmphdr *pig = igmp_hdr(skb); const int iplen = skb->tail - skb->nh.raw; - const int igmplen = skb->tail - skb->h.raw; + const int igmplen = skb->tail - skb_transport_header(skb); pip->tot_len = htons(iplen); ip_send_check(pip); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 39216e6..e6a9e45 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -619,7 +619,7 @@ static int ipgre_rcv(struct sk_buff *skb) skb_reset_mac_header(skb); __pskb_pull(skb, offset); skb_reset_network_header(skb); - skb_postpull_rcsum(skb, skb->h.raw, offset); + skb_postpull_rcsum(skb, skb_transport_header(skb), offset); skb->pkt_type = PACKET_HOST; #ifdef CONFIG_NET_IPGRE_BROADCAST if (MULTICAST(iph->daddr)) { diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 6022686..11029b9 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -1128,7 +1128,7 @@ ssize_t ip_append_page(struct sock *sk, struct page *page, if (fraggap) { skb->csum = skb_copy_and_csum_bits(skb_prev, maxfraglen, - skb->h.raw, + skb_transport_header(skb), fraggap, 0); skb_prev->csum = csum_sub(skb_prev->csum, skb->csum); @@ -1374,7 +1374,9 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar &ipc, rt, MSG_DONTWAIT); if ((skb = skb_peek(&sk->sk_write_queue)) != NULL) { if (arg->csumoffset >= 0) - *((__sum16 *)skb->h.raw + arg->csumoffset) = csum_fold(csum_add(skb->csum, arg->csum)); + *((__sum16 *)skb_transport_header(skb) + + arg->csumoffset) = csum_fold(csum_add(skb->csum, + arg->csum)); skb->ip_summed = CHECKSUM_NONE; ip_push_pending_frames(sk); } diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 6b91c9f..4e19ee0 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -432,7 +432,7 @@ ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt goto drop; /* Basic sanity checks can be done without the lock. */ - rarp = (struct arphdr *)skb->h.raw; + rarp = (struct arphdr *)skb_transport_header(skb); /* If this test doesn't pass, it's not IP, or we should * ignore it anyway. @@ -455,7 +455,7 @@ ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt goto drop; /* OK, it is all there and looks valid, process... */ - rarp = (struct arphdr *)skb->h.raw; + rarp = (struct arphdr *)skb_transport_header(skb); rarp_ptr = (unsigned char *) (rarp + 1); /* One reply at a time, please. */ diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 05bc270..8f45c95 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1437,7 +1437,8 @@ int pim_rcv_v1(struct sk_buff * skb) pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER) goto drop; - encap = (struct iphdr*)(skb->h.raw + sizeof(struct igmphdr)); + encap = (struct iphdr *)(skb_transport_header(skb) + + sizeof(struct igmphdr)); /* Check that: a. packet is really destinted to a multicast group @@ -1490,7 +1491,7 @@ static int pim_rcv(struct sk_buff * skb) if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap))) goto drop; - pim = (struct pimreghdr*)skb->h.raw; + pim = (struct pimreghdr *)skb_transport_header(skb); if (pim->type != ((PIM_VERSION<<4)|(PIM_REGISTER)) || (pim->flags&PIM_NULL_REGISTER) || (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 && @@ -1498,7 +1499,8 @@ static int pim_rcv(struct sk_buff * skb) goto drop; /* check if the inner packet is destined to mcast group */ - encap = (struct iphdr*)(skb->h.raw + sizeof(struct pimreghdr)); + encap = (struct iphdr *)(skb_transport_header(skb) + + sizeof(struct pimreghdr)); if (!MULTICAST(encap->daddr) || encap->tot_len == 0 || ntohs(encap->tot_len) + sizeof(*pim) > skb->len) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index f832f3c..2b214cc 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2219,8 +2219,9 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features) th->check = ~csum_fold((__force __wsum)((__force u32)th->check + (__force u32)delta)); if (skb->ip_summed != CHECKSUM_PARTIAL) - th->check = csum_fold(csum_partial(skb->h.raw, thlen, - skb->csum)); + th->check = + csum_fold(csum_partial(skb_transport_header(skb), + thlen, skb->csum)); seq += len; skb = skb->next; @@ -2230,12 +2231,13 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features) th->cwr = 0; } while (skb->next); - delta = htonl(oldlen + (skb->tail - skb->h.raw) + skb->data_len); + delta = htonl(oldlen + (skb->tail - skb_transport_header(skb)) + + skb->data_len); th->check = ~csum_fold((__force __wsum)((__force u32)th->check + (__force u32)delta)); if (skb->ip_summed != CHECKSUM_PARTIAL) - th->check = csum_fold(csum_partial(skb->h.raw, thlen, - skb->csum)); + th->check = csum_fold(csum_partial(skb_transport_header(skb), + thlen, skb->csum)); out: return segs; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index c1ce362..9c3b4c7 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -140,7 +140,7 @@ static void tcp_measure_rcv_mss(struct sock *sk, * * "len" is invariant segment length, including TCP header. */ - len += skb->data - skb->h.raw; + len += skb->data - skb_transport_header(skb); if (len >= TCP_MIN_RCVMSS + sizeof(struct tcphdr) || /* If PSH is not set, packet should be * full sized, provided peer TCP is not badly broken. @@ -940,7 +940,8 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_ { const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); - unsigned char *ptr = ack_skb->h.raw + TCP_SKB_CB(ack_skb)->sacked; + unsigned char *ptr = (skb_transport_header(ack_skb) + + TCP_SKB_CB(ack_skb)->sacked); struct tcp_sack_block_wire *sp = (struct tcp_sack_block_wire *)(ptr+2); struct sk_buff *cached_skb; int num_sacks = (ptr[1] - TCPOLEN_SACK_BASE)>>3; @@ -3634,10 +3635,10 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list, return; skb_set_mac_header(nskb, skb_mac_header(skb) - skb->head); - skb_set_network_header(nskb, - skb_network_header(skb) - skb->head); - skb_set_transport_header(nskb, skb->h.raw - skb->head); - + skb_set_network_header(nskb, (skb_network_header(skb) - + skb->head)); + skb_set_transport_header(nskb, (skb_transport_header(skb) - + skb->head)); skb_reserve(nskb, header); memcpy(nskb->head, skb->head, header); memcpy(nskb->cb, skb->cb, sizeof(skb->cb)); diff --git a/net/ipv4/xfrm4_mode_beet.c b/net/ipv4/xfrm4_mode_beet.c index 32fcfc0..591f0f1 100644 --- a/net/ipv4/xfrm4_mode_beet.c +++ b/net/ipv4/xfrm4_mode_beet.c @@ -51,7 +51,7 @@ static int xfrm4_beet_output(struct xfrm_state *x, struct sk_buff *skb) BUG_ON(optlen < 0); - ph = (struct ip_beet_phdr *)skb->h.raw; + ph = (struct ip_beet_phdr *)skb_transport_header(skb); ph->padlen = 4 - (optlen & 4); ph->hdrlen = optlen / 8; ph->nexthdr = top_iph->protocol; diff --git a/net/ipv4/xfrm4_mode_transport.c b/net/ipv4/xfrm4_mode_transport.c index 2c46cbb..dc8834e 100644 --- a/net/ipv4/xfrm4_mode_transport.c +++ b/net/ipv4/xfrm4_mode_transport.c @@ -45,10 +45,11 @@ static int xfrm4_transport_output(struct xfrm_state *x, struct sk_buff *skb) */ static int xfrm4_transport_input(struct xfrm_state *x, struct sk_buff *skb) { - int ihl = skb->data - skb->h.raw; + int ihl = skb->data - skb_transport_header(skb); if (skb->h.raw != skb->nh.raw) { - memmove(skb->h.raw, skb_network_header(skb), ihl); + memmove(skb_transport_header(skb), + skb_network_header(skb), ihl); skb->nh.raw = skb->h.raw; } ip_hdr(skb)->tot_len = htons(skb->len + ihl); diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index e5ee981..d2af4fe 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -268,7 +268,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb) goto error_free_iph; } - ah = (struct ip_auth_hdr *)skb->h.raw; + ah = (struct ip_auth_hdr *)skb_transport_header(skb); ah->nexthdr = nexthdr; top_iph->priority = 0; diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index ad522b7..436eb9e 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -87,7 +87,7 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb) pskb_put(skb, trailer, clen - skb->len); top_iph = (struct ipv6hdr *)__skb_push(skb, hdr_len); - esph = (struct ipv6_esp_hdr *)skb->h.raw; + esph = (struct ipv6_esp_hdr *)skb_transport_header(skb); top_iph->payload_len = htons(skb->len + alen - sizeof(*top_iph)); *(u8 *)(trailer->tail - 1) = *skb_network_header(skb); *skb_network_header(skb) = IPPROTO_ESP; diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 1bda029..f25ee77 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -144,7 +144,7 @@ static int ip6_parse_tlv(struct tlvtype_proc *procs, struct sk_buff **skbp) struct tlvtype_proc *curr; const unsigned char *nh = skb_network_header(skb); int off = skb->h.raw - skb->nh.raw; - int len = ((skb->h.raw[1]+1)<<3); + int len = (skb_transport_header(skb)[1] + 1) << 3; if (skb_transport_offset(skb) + len > skb_headlen(skb)) goto bad; @@ -290,15 +290,14 @@ static int ipv6_destopt_rcv(struct sk_buff **skbp) if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) || !pskb_may_pull(skb, (skb_transport_offset(skb) + - ((skb->h.raw[1] + 1) << 3)))) { + ((skb_transport_header(skb)[1] + 1) << 3)))) { IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); kfree_skb(skb); return -1; } - opt->lastopt = skb->h.raw - skb->nh.raw; - opt->dst1 = skb->h.raw - skb->nh.raw; + opt->lastopt = opt->dst1 = skb->h.raw - skb->nh.raw; #ifdef CONFIG_IPV6_MIP6 dstbuf = opt->dst1; #endif @@ -307,7 +306,7 @@ static int ipv6_destopt_rcv(struct sk_buff **skbp) if (ip6_parse_tlv(tlvprocdestopt_lst, skbp)) { dst_release(dst); skb = *skbp; - skb->h.raw += ((skb->h.raw[1]+1)<<3); + skb->h.raw += (skb_transport_header(skb)[1] + 1) << 3; opt = IP6CB(skb); #ifdef CONFIG_IPV6_MIP6 opt->nhoff = dstbuf; @@ -390,14 +389,14 @@ static int ipv6_rthdr_rcv(struct sk_buff **skbp) if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) || !pskb_may_pull(skb, (skb_transport_offset(skb) + - ((skb->h.raw[1] + 1) << 3)))) { + ((skb_transport_header(skb)[1] + 1) << 3)))) { IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); kfree_skb(skb); return -1; } - hdr = (struct ipv6_rt_hdr *) skb->h.raw; + hdr = (struct ipv6_rt_hdr *)skb_transport_header(skb); switch (hdr->type) { #ifdef CONFIG_IPV6_MIP6 @@ -444,8 +443,7 @@ looped_back: break; } - opt->lastopt = skb->h.raw - skb->nh.raw; - opt->srcrt = skb->h.raw - skb->nh.raw; + opt->lastopt = opt->srcrt = skb->h.raw - skb->nh.raw; skb->h.raw += (hdr->hdrlen + 1) << 3; opt->dst0 = opt->dst1; opt->dst1 = 0; @@ -745,7 +743,8 @@ int ipv6_parse_hopopts(struct sk_buff **skbp) * hop-by-hop options. */ if (!pskb_may_pull(skb, sizeof(struct ipv6hdr) + 8) || - !pskb_may_pull(skb, sizeof(struct ipv6hdr) + ((skb->h.raw[1] + 1) << 3))) { + !pskb_may_pull(skb, (sizeof(struct ipv6hdr) + + ((skb_transport_header(skb)[1] + 1) << 3)))) { kfree_skb(skb); return -1; } @@ -753,7 +752,7 @@ int ipv6_parse_hopopts(struct sk_buff **skbp) opt->hop = sizeof(struct ipv6hdr); if (ip6_parse_tlv(tlvprochopopt_lst, skbp)) { skb = *skbp; - skb->h.raw += (skb->h.raw[1]+1)<<3; + skb->h.raw += (skb_transport_header(skb)[1] + 1) << 3; opt = IP6CB(skb); opt->nhoff = sizeof(struct ipv6hdr); return 1; diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index 4a65016..5555c98 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -143,7 +143,7 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb) /* compression */ plen = skb->len - hdr_len; dlen = IPCOMP_SCRATCH_SIZE; - start = skb->h.raw; + start = skb_transport_header(skb); cpu = get_cpu(); scratch = *per_cpu_ptr(ipcomp6_scratches, cpu); diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 1f2a3be..c6436f5 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -1212,7 +1212,7 @@ int igmp6_event_query(struct sk_buff *skb) in6_dev_put(idev); return -EINVAL; } - mlh2 = (struct mld2_query *) skb->h.raw; + mlh2 = (struct mld2_query *)skb_transport_header(skb); max_delay = (MLDV2_MRC(ntohs(mlh2->mrc))*HZ)/1000; if (!max_delay) max_delay = 1; @@ -1235,7 +1235,7 @@ int igmp6_event_query(struct sk_buff *skb) in6_dev_put(idev); return -EINVAL; } - mlh2 = (struct mld2_query *) skb->h.raw; + mlh2 = (struct mld2_query *)skb_transport_header(skb); mark = 1; } } else { @@ -1460,18 +1460,20 @@ static inline int mld_dev_queue_xmit(struct sk_buff *skb) static void mld_sendpack(struct sk_buff *skb) { struct ipv6hdr *pip6 = ipv6_hdr(skb); - struct mld2_report *pmr = (struct mld2_report *)skb->h.raw; + struct mld2_report *pmr = + (struct mld2_report *)skb_transport_header(skb); int payload_len, mldlen; struct inet6_dev *idev = in6_dev_get(skb->dev); int err; IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS); payload_len = skb->tail - skb_network_header(skb) - sizeof(*pip6); - mldlen = skb->tail - skb->h.raw; + mldlen = skb->tail - skb_transport_header(skb); pip6->payload_len = htons(payload_len); pmr->csum = csum_ipv6_magic(&pip6->saddr, &pip6->daddr, mldlen, - IPPROTO_ICMPV6, csum_partial(skb->h.raw, mldlen, 0)); + IPPROTO_ICMPV6, csum_partial(skb_transport_header(skb), + mldlen, 0)); err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev, mld_dev_queue_xmit); if (!err) { @@ -1505,7 +1507,7 @@ static struct sk_buff *add_grhead(struct sk_buff *skb, struct ifmcaddr6 *pmc, pgr->grec_auxwords = 0; pgr->grec_nsrcs = 0; pgr->grec_mca = pmc->mca_addr; /* structure copy */ - pmr = (struct mld2_report *)skb->h.raw; + pmr = (struct mld2_report *)skb_transport_header(skb); pmr->ngrec = htons(ntohs(pmr->ngrec)+1); *ppgr = pgr; return skb; @@ -1538,7 +1540,7 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc, if (!*psf_list) goto empty_source; - pmr = skb ? (struct mld2_report *)skb->h.raw : NULL; + pmr = skb ? (struct mld2_report *)skb_transport_header(skb) : NULL; /* EX and TO_EX get a fresh packet, if needed */ if (truncate) { diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c index 8520289..f0288e9 100644 --- a/net/ipv6/mip6.c +++ b/net/ipv6/mip6.c @@ -92,10 +92,10 @@ int mip6_mh_filter(struct sock *sk, struct sk_buff *skb) if (!pskb_may_pull(skb, (skb_transport_offset(skb)) + 8) || !pskb_may_pull(skb, (skb_transport_offset(skb) + - ((skb->h.raw[1] + 1) << 3)))) + ((skb_transport_header(skb)[1] + 1) << 3)))) return -1; - mh = (struct ip6_mh *)skb->h.raw; + mh = (struct ip6_mh *)skb_transport_header(skb); if (mh->ip6mh_hdrlen < mip6_mh_len(mh->ip6mh_type)) { LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH message too short: %d vs >=%d\n", @@ -158,7 +158,7 @@ static int mip6_destopt_output(struct xfrm_state *x, struct sk_buff *skb) nexthdr = *skb_network_header(skb); *skb_network_header(skb) = IPPROTO_DSTOPTS; - dstopt = (struct ipv6_destopt_hdr *)skb->h.raw; + dstopt = (struct ipv6_destopt_hdr *)skb_transport_header(skb); dstopt->nexthdr = nexthdr; hao = mip6_padn((char *)(dstopt + 1), @@ -370,7 +370,7 @@ static int mip6_rthdr_output(struct xfrm_state *x, struct sk_buff *skb) nexthdr = *skb_network_header(skb); *skb_network_header(skb) = IPPROTO_ROUTING; - rt2 = (struct rt2_hdr *)skb->h.raw; + rt2 = (struct rt2_hdr *)skb_transport_header(skb); rt2->rt_hdr.nexthdr = nexthdr; rt2->rt_hdr.hdrlen = (x->props.header_len >> 3) - 1; rt2->rt_hdr.type = IPV6_SRCRT_TYPE_2; diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 8b946f5..f9a85ab 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -760,7 +760,7 @@ static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb) static void ndisc_recv_ns(struct sk_buff *skb) { - struct nd_msg *msg = (struct nd_msg *)skb->h.raw; + struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb); struct in6_addr *saddr = &ipv6_hdr(skb)->saddr; struct in6_addr *daddr = &ipv6_hdr(skb)->daddr; u8 *lladdr = NULL; @@ -938,7 +938,7 @@ out: static void ndisc_recv_na(struct sk_buff *skb) { - struct nd_msg *msg = (struct nd_msg *)skb->h.raw; + struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb); struct in6_addr *saddr = &ipv6_hdr(skb)->saddr; struct in6_addr *daddr = &ipv6_hdr(skb)->daddr; u8 *lladdr = NULL; @@ -1040,7 +1040,7 @@ out: static void ndisc_recv_rs(struct sk_buff *skb) { - struct rs_msg *rs_msg = (struct rs_msg *) skb->h.raw; + struct rs_msg *rs_msg = (struct rs_msg *)skb_transport_header(skb); unsigned long ndoptlen = skb->len - sizeof(*rs_msg); struct neighbour *neigh; struct inet6_dev *idev; @@ -1097,7 +1097,7 @@ out: static void ndisc_router_discovery(struct sk_buff *skb) { - struct ra_msg *ra_msg = (struct ra_msg *) skb->h.raw; + struct ra_msg *ra_msg = (struct ra_msg *)skb_transport_header(skb); struct neighbour *neigh = NULL; struct inet6_dev *in6_dev; struct rt6_info *rt = NULL; @@ -1108,7 +1108,8 @@ static void ndisc_router_discovery(struct sk_buff *skb) __u8 * opt = (__u8 *)(ra_msg + 1); - optlen = (skb->tail - skb->h.raw) - sizeof(struct ra_msg); + optlen = (skb->tail - skb_transport_header(skb)) - + sizeof(struct ra_msg); if (!(ipv6_addr_type(&ipv6_hdr(skb)->saddr) & IPV6_ADDR_LINKLOCAL)) { ND_PRINTK2(KERN_WARNING @@ -1357,7 +1358,7 @@ static void ndisc_redirect_rcv(struct sk_buff *skb) return; } - optlen = skb->tail - skb->h.raw; + optlen = skb->tail - skb_transport_header(skb); optlen -= sizeof(struct icmp6hdr) + 2 * sizeof(struct in6_addr); if (optlen < 0) { @@ -1584,9 +1585,9 @@ int ndisc_rcv(struct sk_buff *skb) if (!pskb_may_pull(skb, skb->len)) return 0; - msg = (struct nd_msg *) skb->h.raw; + msg = (struct nd_msg *)skb_transport_header(skb); - __skb_push(skb, skb->data-skb->h.raw); + __skb_push(skb, skb->data - skb_transport_header(skb)); if (ipv6_hdr(skb)->hop_limit != 255) { ND_PRINTK2(KERN_WARNING diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index bb049f1..116257d 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -1077,7 +1077,7 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg) spin_lock_bh(&sk->sk_receive_queue.lock); skb = skb_peek(&sk->sk_receive_queue); if (skb != NULL) - amount = skb->tail - skb->h.raw; + amount = skb->tail - skb_transport_header(skb); spin_unlock_bh(&sk->sk_receive_queue.lock); return put_user(amount, (int __user *)arg); } diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index ef29a7b..31d4271 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -726,7 +726,7 @@ static int ipv6_frag_rcv(struct sk_buff **skbp) } hdr = ipv6_hdr(skb); - fhdr = (struct frag_hdr *)skb->h.raw; + fhdr = (struct frag_hdr *)skb_transport_header(skb); if (!(fhdr->frag_off & htons(0xFFF9))) { /* It is not a fragmented frame */ diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c index 0134d74..d526f4e 100644 --- a/net/ipv6/xfrm6_mode_transport.c +++ b/net/ipv6/xfrm6_mode_transport.c @@ -51,10 +51,11 @@ static int xfrm6_transport_output(struct xfrm_state *x, struct sk_buff *skb) */ static int xfrm6_transport_input(struct xfrm_state *x, struct sk_buff *skb) { - int ihl = skb->data - skb->h.raw; + int ihl = skb->data - skb_transport_header(skb); if (skb->h.raw != skb->nh.raw) { - memmove(skb->h.raw, skb_network_header(skb), ihl); + memmove(skb_transport_header(skb), + skb_network_header(skb), ihl); skb->nh.raw = skb->h.raw; } ipv6_hdr(skb)->payload_len = htons(skb->len + ihl - diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index ee15bda..5c46958 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -62,7 +62,7 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq) case IPPROTO_COMP: if (!pskb_may_pull(skb, sizeof(struct ip_comp_hdr))) return -EINVAL; - *spi = htonl(ntohs(*(__be16*)(skb->h.raw + 2))); + *spi = htonl(ntohs(*(__be16*)(skb_transport_header(skb) + 2))); *seq = 0; return 0; default: @@ -72,8 +72,8 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq) if (!pskb_may_pull(skb, 16)) return -EINVAL; - *spi = *(__be32*)(skb->h.raw + offset); - *seq = *(__be32*)(skb->h.raw + offset_seq); + *spi = *(__be32*)(skb_transport_header(skb) + offset); + *seq = *(__be32*)(skb_transport_header(skb) + offset_seq); return 0; } EXPORT_SYMBOL(xfrm_parse_spi); |