[SK_BUFF]: unions of just one member don't get anything done, kill them
Renaming skb->h to skb->transport_header, skb->nh to skb->network_header and
skb->mac to skb->mac_header, to match the names of the associated helpers
(skb[_[re]set]_{transport,network,mac}_header).
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 83004fd..681e20b 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -519,9 +519,12 @@
* real header when we do rebuild_header.
*/
*(uint16_t *) skb_push(skb, 2) = type;
- if (skb->nh.raw - skb->mac.raw != 2)
+ /*
+ * XXX: Why not use skb->mac_len?
+ */
+ if (skb->network_header - skb->mac_header != 2)
BUGMSG(D_NORMAL, "arcnet_header: Yikes! diff (%d) is not 2!\n",
- (int)(skb->nh.raw - skb->mac.raw));
+ (int)(skb->network_header - skb->mac_header));
return -2; /* return error -- can't transmit yet! */
}
else {
@@ -554,11 +557,13 @@
unsigned short type;
uint8_t daddr=0;
struct ArcProto *proto;
-
- if (skb->nh.raw - skb->mac.raw != 2) {
+ /*
+ * XXX: Why not use skb->mac_len?
+ */
+ if (skb->network_header - skb->mac_header != 2) {
BUGMSG(D_NORMAL,
- "rebuild_header: shouldn't be here! (hdrsize=%d)\n",
- (int)(skb->nh.raw - skb->mac.raw));
+ "rebuild_header: shouldn't be here! (hdrsize=%d)\n",
+ (int)(skb->network_header - skb->mac_header));
return 0;
}
type = *(uint16_t *) skb_pull(skb, 2);
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 05c870d..7e03f41 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -885,7 +885,7 @@
skb->dev = slave->dev;
skb_reset_mac_header(skb);
- skb->nh.raw = skb->mac.raw + ETH_HLEN;
+ skb->network_header = skb->mac_header + ETH_HLEN;
skb->protocol = PKT_TYPE_LACPDU;
skb->priority = TC_PRIO_CONTROL;
@@ -929,7 +929,7 @@
skb->dev = slave->dev;
skb_reset_mac_header(skb);
- skb->nh.raw = skb->mac.raw + ETH_HLEN;
+ skb->network_header = skb->mac_header + ETH_HLEN;
skb->protocol = PKT_TYPE_LACPDU;
marker_header = (struct marker_header *)skb_put(skb, length);
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index b8cf777..92c3b6f 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -896,7 +896,7 @@
memcpy(data, &pkt, size);
skb_reset_mac_header(skb);
- skb->nh.raw = skb->mac.raw + ETH_HLEN;
+ skb->network_header = skb->mac_header + ETH_HLEN;
skb->protocol = pkt.type;
skb->priority = TC_PRIO_CONTROL;
skb->dev = slave->dev;
diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c
index 7b7c1ca..35a3a50 100644
--- a/drivers/net/wireless/hostap/hostap_80211_rx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_rx.c
@@ -1077,7 +1077,7 @@
skb2->protocol = __constant_htons(ETH_P_802_3);
skb_reset_mac_header(skb2);
skb_reset_network_header(skb2);
- /* skb2->nh.raw += ETH_HLEN; */
+ /* skb2->network_header += ETH_HLEN; */
dev_queue_xmit(skb2);
}
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 544490d..81e9bc9 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -275,8 +275,8 @@
veth->h_vlan_TCI = htons(tag);
skb->protocol = __constant_htons(ETH_P_8021Q);
- skb->mac.raw -= VLAN_HLEN;
- skb->nh.raw -= VLAN_HLEN;
+ skb->mac_header -= VLAN_HLEN;
+ skb->network_header -= VLAN_HLEN;
return skb;
}
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 230dd43..c45ad12 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -69,8 +69,8 @@
* NONE: skb is checksummed by protocol or csum is not required.
*
* PARTIAL: device is required to csum packet as seen by hard_start_xmit
- * from skb->h.raw to the end and to record the checksum
- * at skb->h.raw+skb->csum.
+ * from skb->transport_header to the end and to record the checksum
+ * at skb->transport_header + skb->csum.
*
* Device must show its capabilities in dev->features, set
* at device setup time.
@@ -188,8 +188,8 @@
* @dev: Device we arrived on/are leaving by
* @iif: ifindex of device we arrived on
* @h: Transport layer header
- * @nh: Network layer header
- * @mac: Link layer header
+ * @network_header: Network layer header
+ * @mac_header: Link layer header
* @dst: destination entry
* @sp: the security path, used for xfrm
* @cb: Control buffer. Free for use by every layer. Put private vars here
@@ -236,18 +236,9 @@
int iif;
/* 4 byte hole on 64 bit*/
- union {
- unsigned char *raw;
- } h;
-
- union {
- unsigned char *raw;
- } nh;
-
- union {
- unsigned char *raw;
- } mac;
-
+ unsigned char *transport_header;
+ unsigned char *network_header;
+ unsigned char *mac_header;
struct dst_entry *dst;
struct sec_path *sp;
@@ -953,68 +944,68 @@
static inline unsigned char *skb_transport_header(const struct sk_buff *skb)
{
- return skb->h.raw;
+ return skb->transport_header;
}
static inline void skb_reset_transport_header(struct sk_buff *skb)
{
- skb->h.raw = skb->data;
+ skb->transport_header = skb->data;
}
static inline void skb_set_transport_header(struct sk_buff *skb,
const int offset)
{
- skb->h.raw = skb->data + offset;
+ skb->transport_header = skb->data + offset;
}
static inline int skb_transport_offset(const struct sk_buff *skb)
{
- return skb->h.raw - skb->data;
+ return skb->transport_header - skb->data;
}
static inline unsigned char *skb_network_header(const struct sk_buff *skb)
{
- return skb->nh.raw;
+ return skb->network_header;
}
static inline void skb_reset_network_header(struct sk_buff *skb)
{
- skb->nh.raw = skb->data;
+ skb->network_header = skb->data;
}
static inline void skb_set_network_header(struct sk_buff *skb, const int offset)
{
- skb->nh.raw = skb->data + offset;
+ skb->network_header = skb->data + offset;
}
static inline int skb_network_offset(const struct sk_buff *skb)
{
- return skb->nh.raw - skb->data;
+ return skb->network_header - skb->data;
}
static inline u32 skb_network_header_len(const struct sk_buff *skb)
{
- return skb->h.raw - skb->nh.raw;
+ return skb->transport_header - skb->network_header;
}
static inline unsigned char *skb_mac_header(const struct sk_buff *skb)
{
- return skb->mac.raw;
+ return skb->mac_header;
}
static inline int skb_mac_header_was_set(const struct sk_buff *skb)
{
- return skb->mac.raw != NULL;
+ return skb->mac_header != NULL;
}
static inline void skb_reset_mac_header(struct sk_buff *skb)
{
- skb->mac.raw = skb->data;
+ skb->mac_header = skb->data;
}
static inline void skb_set_mac_header(struct sk_buff *skb, const int offset)
{
- skb->mac.raw = skb->data + offset;
+ skb->mac_header = skb->data + offset;
}
/*
diff --git a/net/802/psnap.c b/net/802/psnap.c
index 7cba1f4..04ee43e 100644
--- a/net/802/psnap.c
+++ b/net/802/psnap.c
@@ -59,7 +59,7 @@
proto = find_snap_client(skb_transport_header(skb));
if (proto) {
/* Pass the frame on. */
- skb->h.raw += 5;
+ skb->transport_header += 5;
skb_pull_rcsum(skb, 5);
rc = proto->rcvfunc(skb, dev, &snap_packet_type, orig_dev);
} else {
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 0991e29..42a35be 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -83,7 +83,7 @@
/* Lifted from Gleb's VLAN code... */
memmove(skb->data - ETH_HLEN,
skb->data - VLAN_ETH_HLEN, 12);
- skb->mac.raw += VLAN_HLEN;
+ skb->mac_header += VLAN_HLEN;
}
}
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 137341b..f6a92a0 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1383,10 +1383,10 @@
* @pt - packet type
*
* Receive a packet (in skb) from device dev. This has come from the SNAP
- * decoder, and on entry skb->h.raw is the DDP header, skb->len is the DDP
- * header, skb->len is the DDP length. The physical headers have been
- * extracted. PPP should probably pass frames marked as for this layer.
- * [ie ARPHRD_ETHERTALK]
+ * decoder, and on entry skb->transport_header is the DDP header, skb->len
+ * is the DDP header, skb->len is the DDP length. The physical headers
+ * have been extracted. PPP should probably pass frames marked as for this
+ * layer. [ie ARPHRD_ETHERTALK]
*/
static int atalk_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index f2796c9..8cee7fd 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -174,7 +174,7 @@
skb->dev = nf_bridge->physindev;
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
- skb->nh.raw -= VLAN_HLEN;
+ skb->network_header -= VLAN_HLEN;
}
NF_HOOK_THRESH(PF_BRIDGE, NF_BR_PRE_ROUTING, skb, skb->dev, NULL,
br_handle_frame_finish, 1);
@@ -255,7 +255,7 @@
else {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull(skb, VLAN_HLEN);
- skb->nh.raw += VLAN_HLEN;
+ skb->network_header += VLAN_HLEN;
}
skb->dst->output(skb);
}
@@ -325,7 +325,7 @@
if (skb->protocol ==
htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
- skb->nh.raw -= VLAN_HLEN;
+ skb->network_header -= VLAN_HLEN;
}
NF_HOOK_THRESH(PF_BRIDGE, NF_BR_PRE_ROUTING,
skb, skb->dev, NULL,
@@ -344,7 +344,7 @@
skb->dev = nf_bridge->physindev;
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
- skb->nh.raw -= VLAN_HLEN;
+ skb->network_header -= VLAN_HLEN;
}
NF_HOOK_THRESH(PF_BRIDGE, NF_BR_PRE_ROUTING, skb, skb->dev, NULL,
br_handle_frame_finish, 1);
@@ -497,7 +497,7 @@
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull_rcsum(skb, VLAN_HLEN);
- skb->nh.raw += VLAN_HLEN;
+ skb->network_header += VLAN_HLEN;
}
return br_nf_pre_routing_ipv6(hook, skb, in, out, okfn);
}
@@ -514,7 +514,7 @@
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull_rcsum(skb, VLAN_HLEN);
- skb->nh.raw += VLAN_HLEN;
+ skb->network_header += VLAN_HLEN;
}
if (!pskb_may_pull(skb, sizeof(struct iphdr)))
@@ -595,7 +595,7 @@
}
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
- skb->nh.raw -= VLAN_HLEN;
+ skb->network_header -= VLAN_HLEN;
}
NF_HOOK_THRESH(PF_BRIDGE, NF_BR_FORWARD, skb, in,
skb->dev, br_forward_finish, 1);
@@ -631,7 +631,7 @@
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull(*pskb, VLAN_HLEN);
- (*pskb)->nh.raw += VLAN_HLEN;
+ (*pskb)->network_header += VLAN_HLEN;
}
nf_bridge = skb->nf_bridge;
@@ -667,13 +667,13 @@
if (!IS_VLAN_ARP(skb))
return NF_ACCEPT;
skb_pull(*pskb, VLAN_HLEN);
- (*pskb)->nh.raw += VLAN_HLEN;
+ (*pskb)->network_header += VLAN_HLEN;
}
if (arp_hdr(skb)->ar_pln != 4) {
if (IS_VLAN_ARP(skb)) {
skb_push(*pskb, VLAN_HLEN);
- (*pskb)->nh.raw -= VLAN_HLEN;
+ (*pskb)->network_header -= VLAN_HLEN;
}
return NF_ACCEPT;
}
@@ -723,7 +723,7 @@
}
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
- skb->nh.raw -= VLAN_HLEN;
+ skb->network_header -= VLAN_HLEN;
}
NF_HOOK(PF_BRIDGE, NF_BR_FORWARD, skb, realindev, skb->dev,
@@ -790,7 +790,7 @@
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull(skb, VLAN_HLEN);
- skb->nh.raw += VLAN_HLEN;
+ skb->network_header += VLAN_HLEN;
}
nf_bridge_save_header(skb);
diff --git a/net/core/dev.c b/net/core/dev.c
index 30fcc7f..6562e57 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1077,7 +1077,7 @@
skb_reset_network_header(skb2);
}
- skb2->h.raw = skb2->nh.raw;
+ skb2->transport_header = skb2->network_header;
skb2->pkt_type = PACKET_OUTGOING;
ptype->func(skb2, skb->dev, ptype, skb->dev);
}
@@ -1207,7 +1207,7 @@
BUG_ON(skb_shinfo(skb)->frag_list);
skb_reset_mac_header(skb);
- skb->mac_len = skb->nh.raw - skb->mac.raw;
+ skb->mac_len = skb->network_header - skb->mac_header;
__skb_pull(skb, skb->mac_len);
if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
@@ -1774,7 +1774,7 @@
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
- skb->mac_len = skb->nh.raw - skb->mac.raw;
+ skb->mac_len = skb->network_header - skb->mac_header;
pt_prev = NULL;
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index ae8cf9a..9da8357 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2358,7 +2358,7 @@
}
skb_set_network_header(skb, skb->tail - skb->data);
- skb->h.raw = skb->nh.raw + sizeof(struct iphdr);
+ skb->transport_header = skb->network_header + sizeof(struct iphdr);
skb_put(skb, sizeof(struct iphdr) + sizeof(struct udphdr));
iph = ip_hdr(skb);
@@ -2391,9 +2391,9 @@
iph->check = 0;
iph->check = ip_fast_csum((void *)iph, iph->ihl);
skb->protocol = protocol;
- skb->mac.raw = (skb->nh.raw - ETH_HLEN -
- pkt_dev->nr_labels * sizeof(u32) -
- VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev));
+ skb->mac_header = (skb->network_header - ETH_HLEN -
+ pkt_dev->nr_labels * sizeof(u32) -
+ VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev));
skb->dev = odev;
skb->pkt_type = PACKET_HOST;
@@ -2697,7 +2697,7 @@
}
skb_set_network_header(skb, skb->tail - skb->data);
- skb->h.raw = skb->nh.raw + sizeof(struct ipv6hdr);
+ skb->transport_header = skb->network_header + sizeof(struct ipv6hdr);
skb_put(skb, sizeof(struct ipv6hdr) + sizeof(struct udphdr));
iph = ipv6_hdr(skb);
@@ -2738,9 +2738,9 @@
ipv6_addr_copy(&iph->daddr, &pkt_dev->cur_in6_daddr);
ipv6_addr_copy(&iph->saddr, &pkt_dev->cur_in6_saddr);
- skb->mac.raw = (skb->nh.raw - ETH_HLEN -
- pkt_dev->nr_labels * sizeof(u32) -
- VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev));
+ skb->mac_header = (skb->network_header - ETH_HLEN -
+ pkt_dev->nr_labels * sizeof(u32) -
+ VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev));
skb->protocol = protocol;
skb->dev = odev;
skb->pkt_type = PACKET_HOST;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f38af6c..1e71764 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -396,9 +396,9 @@
n->sk = NULL;
C(tstamp);
C(dev);
- C(h);
- C(nh);
- C(mac);
+ C(transport_header);
+ C(network_header);
+ C(mac_header);
C(dst);
dst_clone(skb->dst);
C(sp);
@@ -461,9 +461,9 @@
#ifdef CONFIG_INET
new->sp = secpath_get(old->sp);
#endif
- new->h.raw = old->h.raw + offset;
- new->nh.raw = old->nh.raw + offset;
- new->mac.raw = old->mac.raw + offset;
+ new->transport_header = old->transport_header + offset;
+ new->network_header = old->network_header + offset;
+ new->mac_header = old->mac_header + offset;
memcpy(new->cb, old->cb, sizeof(old->cb));
new->local_df = old->local_df;
new->fclone = SKB_FCLONE_UNAVAILABLE;
@@ -639,9 +639,9 @@
skb->end = data + size;
skb->data += off;
skb->tail += off;
- skb->mac.raw += off;
- skb->h.raw += off;
- skb->nh.raw += off;
+ skb->transport_header += off;
+ skb->network_header += off;
+ skb->mac_header += off;
skb->cloned = 0;
skb->nohdr = 0;
atomic_set(&skb_shinfo(skb)->dataref, 1);
@@ -1906,7 +1906,8 @@
skb_reserve(nskb, headroom);
skb_reset_mac_header(nskb);
skb_set_network_header(nskb, skb->mac_len);
- nskb->h.raw = nskb->nh.raw + skb_network_header_len(skb);
+ nskb->transport_header = (nskb->network_header +
+ skb_network_header_len(skb));
memcpy(skb_put(nskb, doffset), skb->data, doffset);
if (!sg) {
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 7f5a352..59a765c 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -793,7 +793,7 @@
skb2->protocol = __constant_htons(ETH_P_802_3);
skb_reset_mac_header(skb2);
skb_reset_network_header(skb2);
- /* skb2->nh.raw += ETH_HLEN; */
+ /* skb2->network_header += ETH_HLEN; */
dev_queue_xmit(skb2);
}
#endif
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index e1bb9e0..6da8ff5 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -181,9 +181,9 @@
}
}
((struct iphdr*)work_buf)->protocol = ah->nexthdr;
- skb->nh.raw += ah_hlen;
+ skb->network_header += ah_hlen;
memcpy(skb_network_header(skb), work_buf, ihl);
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
__skb_pull(skb, ah_hlen + ihl);
return 0;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 4695ada..1fc637f 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -333,7 +333,7 @@
((u8*)&pip[1])[2] = 0;
((u8*)&pip[1])[3] = 0;
- skb->h.raw = skb->nh.raw + sizeof(struct iphdr) + 4;
+ skb->transport_header = skb->network_header + sizeof(struct iphdr) + 4;
skb_put(skb, sizeof(*pig));
pig = igmpv3_report_hdr(skb);
pig->type = IGMPV3_HOST_MEMBERSHIP_REPORT;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index e6a9e45..f49afaa 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -828,7 +828,7 @@
old_iph = ip_hdr(skb);
}
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
skb_push(skb, gre_hlen);
skb_reset_network_header(skb);
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 02988fb..875da38 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -582,7 +582,7 @@
skb_reserve(skb2, ll_rs);
skb_put(skb2, len + hlen);
skb_reset_network_header(skb2);
- skb2->h.raw = skb2->nh.raw + hlen;
+ skb2->transport_header = skb2->network_header + hlen;
/*
* Charge the memory for the fragment to any owner
@@ -713,7 +713,7 @@
skb_reset_network_header(skb);
/* initialize protocol header pointer */
- skb->h.raw = skb->nh.raw + fragheaderlen;
+ skb->transport_header = skb->network_header + fragheaderlen;
skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
@@ -918,7 +918,8 @@
*/
data = skb_put(skb, fraglen);
skb_set_network_header(skb, exthdrlen);
- skb->h.raw = skb->nh.raw + fragheaderlen;
+ skb->transport_header = (skb->network_header +
+ fragheaderlen);
data += fragheaderlen;
if (fraggap) {
@@ -1112,8 +1113,8 @@
*/
skb_put(skb, fragheaderlen + fraggap);
skb_reset_network_header(skb);
- skb->h.raw = skb->nh.raw + fragheaderlen;
-
+ skb->transport_header = (skb->network_header +
+ fragheaderlen);
if (fraggap) {
skb->csum = skb_copy_and_csum_bits(skb_prev,
maxfraglen,
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index 1f13cc5..ba348b1 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -87,7 +87,7 @@
iph = ip_hdr(skb);
ipch = (void *)skb->data;
iph->protocol = ipch->nexthdr;
- skb->h.raw = skb->nh.raw + sizeof(*ipch);
+ skb->transport_header = skb->network_header + sizeof(*ipch);
__skb_pull(skb, sizeof(*ipch));
err = ipcomp_decompress(x, skb);
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index b32b501..37ab391 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -485,7 +485,7 @@
secpath_reset(skb);
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_reset_network_header(skb);
skb->protocol = htons(ETH_P_IP);
skb->pkt_type = PACKET_HOST;
@@ -617,7 +617,7 @@
old_iph = ip_hdr(skb);
}
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
skb_push(skb, sizeof(struct iphdr));
skb_reset_network_header(skb);
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 3578942..50d0b30 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -597,7 +597,7 @@
msg->im_msgtype = assert;
igmp->code = 0;
ip_hdr(skb)->tot_len = htons(skb->len); /* Fix the length */
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
}
if (mroute_socket == NULL) {
@@ -1102,7 +1102,7 @@
struct iphdr *old_iph = ip_hdr(skb);
skb_push(skb, sizeof(struct iphdr));
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
skb_reset_network_header(skb);
iph = ip_hdr(skb);
@@ -1461,7 +1461,7 @@
if (reg_dev == NULL)
goto drop;
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_pull(skb, (u8*)encap - skb->data);
skb_reset_network_header(skb);
skb->dev = reg_dev;
@@ -1517,7 +1517,7 @@
if (reg_dev == NULL)
goto drop;
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_pull(skb, (u8*)encap - skb->data);
skb_reset_network_header(skb);
skb->dev = reg_dev;
diff --git a/net/ipv4/ipvs/ip_vs_xmit.c b/net/ipv4/ipvs/ip_vs_xmit.c
index c6276d0..fded9b2 100644
--- a/net/ipv4/ipvs/ip_vs_xmit.c
+++ b/net/ipv4/ipvs/ip_vs_xmit.c
@@ -323,7 +323,7 @@
struct iphdr *old_iph = ip_hdr(skb);
u8 tos = old_iph->tos;
__be16 df = old_iph->frag_off;
- unsigned char *old_h = skb_transport_header(skb);
+ unsigned char *old_transport_header = skb->transport_header;
struct iphdr *iph; /* Our new IP header */
int max_headroom; /* The extra header space needed */
int mtu;
@@ -381,7 +381,7 @@
old_iph = ip_hdr(skb);
}
- skb->h.raw = old_h;
+ skb->transport_header = old_transport_header;
/* fix old IP header checksum */
ip_send_check(old_iph);
diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index c697971..2fa3661 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -399,7 +399,7 @@
/* MAC logging for input chain only. */
printk("MAC=");
if (skb->dev && skb->dev->hard_header_len
- && skb->mac.raw != skb->nh.raw) {
+ && skb->mac_header != skb->network_header) {
int i;
const unsigned char *p = skb_mac_header(skb);
for (i = 0; i < skb->dev->hard_header_len; i++,p++)
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index fae2a34..ace711e 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -251,7 +251,7 @@
*(pm->prefix) = '\0';
if (in && in->hard_header_len > 0
- && skb->mac.raw != skb->nh.raw
+ && skb->mac_header != skb->network_header
&& in->hard_header_len <= ULOG_MAC_LEN) {
memcpy(pm->mac, skb_mac_header(skb), in->hard_header_len);
pm->mac_len = in->hard_header_len;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index bf101dc..24d7c9f 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -297,7 +297,7 @@
skb->ip_summed = CHECKSUM_NONE;
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
err = memcpy_fromiovecend((void *)iph, from, 0, length);
if (err)
goto error_fault;
diff --git a/net/ipv4/xfrm4_mode_beet.c b/net/ipv4/xfrm4_mode_beet.c
index 74859df..3650e02 100644
--- a/net/ipv4/xfrm4_mode_beet.c
+++ b/net/ipv4/xfrm4_mode_beet.c
@@ -33,7 +33,7 @@
int hdrlen, optlen;
iph = ip_hdr(skb);
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
hdrlen = 0;
optlen = iph->ihl * 4 - sizeof(*iph);
@@ -43,7 +43,7 @@
skb_push(skb, x->props.header_len + hdrlen);
skb_reset_network_header(skb);
top_iph = ip_hdr(skb);
- skb->h.raw += sizeof(*iph) - hdrlen;
+ skb->transport_header += sizeof(*iph) - hdrlen;
memmove(top_iph, iph, sizeof(*iph));
if (unlikely(optlen)) {
diff --git a/net/ipv4/xfrm4_mode_transport.c b/net/ipv4/xfrm4_mode_transport.c
index dc8834e..6010471 100644
--- a/net/ipv4/xfrm4_mode_transport.c
+++ b/net/ipv4/xfrm4_mode_transport.c
@@ -26,9 +26,7 @@
struct iphdr *iph = ip_hdr(skb);
int ihl = iph->ihl * 4;
- skb->h.raw = skb->nh.raw;
- skb->h.raw += ihl;
-
+ skb->transport_header = skb->network_header + ihl;
skb_push(skb, x->props.header_len);
skb_reset_network_header(skb);
memmove(skb_network_header(skb), iph, ihl);
@@ -47,10 +45,10 @@
{
int ihl = skb->data - skb_transport_header(skb);
- if (skb->h.raw != skb->nh.raw) {
+ if (skb->transport_header != skb->network_header) {
memmove(skb_transport_header(skb),
skb_network_header(skb), ihl);
- skb->nh.raw = skb->h.raw;
+ skb->network_header = skb->transport_header;
}
ip_hdr(skb)->tot_len = htons(skb->len + ihl);
skb_reset_transport_header(skb);
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 521e52f..a2f2e6a 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -47,7 +47,7 @@
int flags;
iph = ip_hdr(skb);
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
skb_push(skb, x->props.header_len);
skb_reset_network_header(skb);
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index d2af4fe..b696c84 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -316,8 +316,8 @@
*
* To erase AH:
* Keeping copy of cleared headers. After AH processing,
- * Moving the pointer of skb->nh.raw by using skb_pull as long as AH
- * header length. Then copy back the copy as long as hdr_len
+ * Moving the pointer of skb->network_header by using skb_pull as long
+ * as AH header length. Then copy back the copy as long as hdr_len
* If destination header following AH exists, copy it into after [Ext2].
*
* |<>|[IPv6][Ext1][Ext2][Dest][Payload]
@@ -384,9 +384,9 @@
}
}
- skb->nh.raw += ah_hlen;
+ skb->network_header += ah_hlen;
memcpy(skb_network_header(skb), tmp_hdr, hdr_len);
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
__skb_pull(skb, ah_hlen + hdr_len);
kfree(tmp_hdr);
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index f34cc2b..a6a275d 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -306,7 +306,7 @@
if (ip6_parse_tlv(tlvprocdestopt_lst, skbp)) {
dst_release(dst);
skb = *skbp;
- skb->h.raw += (skb_transport_header(skb)[1] + 1) << 3;
+ skb->transport_header += (skb_transport_header(skb)[1] + 1) << 3;
opt = IP6CB(skb);
#ifdef CONFIG_IPV6_MIP6
opt->nhoff = dstbuf;
@@ -444,7 +444,7 @@
}
opt->lastopt = opt->srcrt = skb_network_header_len(skb);
- skb->h.raw += (hdr->hdrlen + 1) << 3;
+ skb->transport_header += (hdr->hdrlen + 1) << 3;
opt->dst0 = opt->dst1;
opt->dst1 = 0;
opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb);
@@ -752,7 +752,7 @@
opt->hop = sizeof(struct ipv6hdr);
if (ip6_parse_tlv(tlvprochopopt_lst, skbp)) {
skb = *skbp;
- skb->h.raw += (skb_transport_header(skb)[1] + 1) << 3;
+ skb->transport_header += (skb_transport_header(skb)[1] + 1) << 3;
opt = IP6CB(skb);
opt->nhoff = sizeof(struct ipv6hdr);
return 1;
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index cf0c440..be0ee8a 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -101,7 +101,7 @@
if (hdr->version != 6)
goto err;
- skb->h.raw = skb->nh.raw + sizeof(*hdr);
+ skb->transport_header = skb->network_header + sizeof(*hdr);
IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
pkt_len = ntohs(hdr->payload_len);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 57a3260..b2c092c 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -733,7 +733,8 @@
skb_put(frag, len + hlen + sizeof(struct frag_hdr));
skb_reset_network_header(frag);
fh = (struct frag_hdr *)(skb_network_header(frag) + hlen);
- frag->h.raw = frag->nh.raw + hlen + sizeof(struct frag_hdr);
+ frag->transport_header = (frag->network_header + hlen +
+ sizeof(struct frag_hdr));
/*
* Charge the memory for the fragment to any owner
@@ -761,7 +762,7 @@
/*
* Copy a block of the IP datagram.
*/
- if (skb_copy_bits(skb, ptr, frag->h.raw, len))
+ if (skb_copy_bits(skb, ptr, skb_transport_header(skb), len))
BUG();
left -= len;
@@ -976,7 +977,7 @@
skb_reset_network_header(skb);
/* initialize protocol header pointer */
- skb->h.raw = skb->nh.raw + fragheaderlen;
+ skb->transport_header = skb->network_header + fragheaderlen;
skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
@@ -1198,8 +1199,8 @@
data = skb_put(skb, fraglen);
skb_set_network_header(skb, exthdrlen);
data += fragheaderlen;
- skb->h.raw = skb->nh.raw + fragheaderlen;
-
+ skb->transport_header = (skb->network_header +
+ fragheaderlen);
if (fraggap) {
skb->csum = skb_copy_and_csum_bits(
skb_prev, maxfraglen,
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 05b59a7..a0902fb 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -701,7 +701,7 @@
goto discard;
}
secpath_reset(skb);
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_reset_network_header(skb);
skb->protocol = htons(protocol);
skb->pkt_type = PACKET_HOST;
@@ -898,7 +898,7 @@
dst_release(skb->dst);
skb->dst = dst_clone(dst);
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
proto = fl->proto;
if (encap_limit >= 0) {
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 5555c98..7691a1b 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -81,7 +81,7 @@
/* Remove ipcomp header and decompress original payload */
iph = ipv6_hdr(skb);
ipch = (void *)skb->data;
- skb->h.raw = skb->nh.raw + sizeof(*ipch);
+ skb->transport_header = skb->network_header + sizeof(*ipch);
__skb_pull(skb, sizeof(*ipch));
/* decompression */
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 54d1761..b465e24 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -396,7 +396,7 @@
/* MAC logging for input chain only. */
printk("MAC=");
if (skb->dev && (len = skb->dev->hard_header_len) &&
- skb->mac.raw != skb->nh.raw) {
+ skb->mac_header != skb->network_header) {
const unsigned char *p = skb_mac_header(skb);
int i;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 490e7e1..b7889ce 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -630,8 +630,8 @@
skb_network_header(head)[fq->nhoffset] = skb_transport_header(head)[0];
memmove(head->head + sizeof(struct frag_hdr), head->head,
(head->data - head->head) - sizeof(struct frag_hdr));
- head->mac.raw += sizeof(struct frag_hdr);
- head->nh.raw += sizeof(struct frag_hdr);
+ head->mac_header += sizeof(struct frag_hdr);
+ head->network_header += sizeof(struct frag_hdr);
skb_shinfo(head)->frag_list = head->next;
skb_reset_transport_header(head);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index f925ca7..8705f6a 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -583,7 +583,7 @@
skb->ip_summed = CHECKSUM_NONE;
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
err = memcpy_fromiovecend((void *)iph, from, 0, length);
if (err)
goto error_fault;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 6dfacfa..de795c0 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -646,11 +646,11 @@
/* We have to remove fragment header from datagram and to relocate
* header in order to calculate ICV correctly. */
nhoff = fq->nhoffset;
- skb_network_header(head)[nhoff] = head->h.raw[0];
+ skb_network_header(head)[nhoff] = skb_transport_header(head)[0];
memmove(head->head + sizeof(struct frag_hdr), head->head,
(head->data - head->head) - sizeof(struct frag_hdr));
- head->mac.raw += sizeof(struct frag_hdr);
- head->nh.raw += sizeof(struct frag_hdr);
+ head->mac_header += sizeof(struct frag_hdr);
+ head->network_header += sizeof(struct frag_hdr);
skb_shinfo(head)->frag_list = head->next;
skb_reset_transport_header(head);
@@ -732,7 +732,7 @@
if (!(fhdr->frag_off & htons(0xFFF9))) {
/* It is not a fragmented frame */
- skb->h.raw += sizeof(struct frag_hdr);
+ skb->transport_header += sizeof(struct frag_hdr);
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMOKS);
IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 1e8827b..27fe10f 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -382,7 +382,7 @@
read_lock(&ipip6_lock);
if ((tunnel = ipip6_tunnel_lookup(iph->saddr, iph->daddr)) != NULL) {
secpath_reset(skb);
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_reset_network_header(skb);
IPCB(skb)->flags = 0;
skb->protocol = htons(ETH_P_IPV6);
@@ -553,7 +553,7 @@
iph6 = ipv6_hdr(skb);
}
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
skb_push(skb, sizeof(struct iphdr));
skb_reset_network_header(skb);
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c
index 8a01b0d..2e61d6d 100644
--- a/net/ipv6/xfrm6_mode_beet.c
+++ b/net/ipv6/xfrm6_mode_beet.c
@@ -48,8 +48,8 @@
skb_reset_network_header(skb);
top_iph = ipv6_hdr(skb);
- skb->h.raw = skb->nh.raw + sizeof(struct ipv6hdr);
- skb->nh.raw += offsetof(struct ipv6hdr, nexthdr);
+ skb->transport_header = skb->network_header + sizeof(struct ipv6hdr);
+ skb->network_header += offsetof(struct ipv6hdr, nexthdr);
ipv6_addr_copy(&top_iph->saddr, (struct in6_addr *)&x->props.saddr);
ipv6_addr_copy(&top_iph->daddr, (struct in6_addr *)&x->id.daddr);
diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c
index eb1864b..c026bfe 100644
--- a/net/ipv6/xfrm6_mode_transport.c
+++ b/net/ipv6/xfrm6_mode_transport.c
@@ -54,10 +54,10 @@
{
int ihl = skb->data - skb_transport_header(skb);
- if (skb->h.raw != skb->nh.raw) {
+ if (skb->transport_header != skb->network_header) {
memmove(skb_transport_header(skb),
skb_network_header(skb), ihl);
- skb->nh.raw = skb->h.raw;
+ skb->network_header = skb->transport_header;
}
ipv6_hdr(skb)->payload_len = htons(skb->len + ihl -
sizeof(struct ipv6hdr));
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 21d65df..a6c0cdf 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -55,8 +55,8 @@
skb_reset_network_header(skb);
top_iph = ipv6_hdr(skb);
- skb->h.raw = skb->nh.raw + sizeof(struct ipv6hdr);
- skb->nh.raw += offsetof(struct ipv6hdr, nexthdr);
+ skb->transport_header = skb->network_header + sizeof(struct ipv6hdr);
+ skb->network_header += offsetof(struct ipv6hdr, nexthdr);
top_iph->version = 6;
if (xdst->route->ops->family == AF_INET6) {
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index b3f65d1..099ed8f 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -112,7 +112,7 @@
if (unlikely(!pskb_may_pull(skb, llc_len)))
return 0;
- skb->h.raw += llc_len;
+ skb->transport_header += llc_len;
skb_pull(skb, llc_len);
if (skb->protocol == htons(ETH_P_802_2)) {
__be16 pdulen = eth_hdr(skb)->h_proto;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index a059cc7..51c059b 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -114,22 +114,22 @@
-----------
Incoming, dev->hard_header!=NULL
- mac.raw -> ll header
- data -> data
+ mac_header -> ll header
+ data -> data
Outgoing, dev->hard_header!=NULL
- mac.raw -> ll header
- data -> ll header
+ mac_header -> ll header
+ data -> ll header
Incoming, dev->hard_header==NULL
- mac.raw -> UNKNOWN position. It is very likely, that it points to ll header.
- PPP makes it, that is wrong, because introduce assymetry
- between rx and tx paths.
- data -> data
+ mac_header -> UNKNOWN position. It is very likely, that it points to ll
+ header. PPP makes it, that is wrong, because introduce
+ assymetry between rx and tx paths.
+ data -> data
Outgoing, dev->hard_header==NULL
- mac.raw -> data. ll header is still not built!
- data -> data
+ mac_header -> data. ll header is still not built!
+ data -> data
Resume
If dev->hard_header==NULL we are unlikely to restore sensible ll header.
@@ -139,12 +139,12 @@
------------
dev->hard_header != NULL
- mac.raw -> ll header
- data -> ll header
+ mac_header -> ll header
+ data -> ll header
dev->hard_header == NULL (ll header is added by device, we cannot control it)
- mac.raw -> data
- data -> data
+ mac_header -> data
+ data -> data
We should set nh.raw on output to correct posistion,
packet classifier depends on it.
diff --git a/net/sctp/input.c b/net/sctp/input.c
index f38e91b..87feee1 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -522,14 +522,14 @@
}
/* Fix up skb to look at the embedded net header. */
- saveip = skb->nh.raw;
- savesctp = skb->h.raw;
+ saveip = skb->network_header;
+ savesctp = skb->transport_header;
skb_reset_network_header(skb);
skb_set_transport_header(skb, ihlen);
sk = sctp_err_lookup(AF_INET, skb, sctp_hdr(skb), &asoc, &transport);
/* Put back, the original pointers. */
- skb->nh.raw = saveip;
- skb->h.raw = savesctp;
+ skb->network_header = saveip;
+ skb->transport_header = savesctp;
if (!sk) {
ICMP_INC_STATS_BH(ICMP_MIB_INERRORS);
return;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index cd0af92..afcb009 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -132,14 +132,14 @@
idev = in6_dev_get(skb->dev);
/* Fix up skb to look at the embedded net header. */
- saveip = skb->nh.raw;
- savesctp = skb->h.raw;
+ saveip = skb->network_header;
+ savesctp = skb->transport_header;
skb_reset_network_header(skb);
skb_set_transport_header(skb, offset);
sk = sctp_err_lookup(AF_INET6, skb, sctp_hdr(skb), &asoc, &transport);
/* Put back, the original pointers. */
- skb->nh.raw = saveip;
- skb->h.raw = savesctp;
+ skb->network_header = saveip;
+ skb->transport_header = savesctp;
if (!sk) {
ICMP6_INC_STATS_BH(idev, ICMP6_MIB_INERRORS);
goto out;
