[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>

14 files changed, 28 insertions, 29 deletions

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index e1bb9e0a..6da8ff5 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -181,9 +181,9 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 		}
 	}
 	((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 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
 	((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 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		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 @@ slow_path:
 		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 @@ static inline int ip_ufo_append_data(struct sock *sk,
 		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 @@ alloc_new_skb:
 			 */
 			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 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 			 */
 			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 @@ static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
 	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 @@ static int ipip_rcv(struct sk_buff *skb)
 
 		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 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		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 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
 	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 @@ static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
 	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 @@ int pim_rcv_v1(struct sk_buff * skb)
 	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 @@ static int pim_rcv(struct sk_buff * skb)
 	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 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	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 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 		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 @@ ipt_log_packet(unsigned int pf,
 		/* 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 @@ static void ipt_ulog_packet(unsigned int hooknum,
 		*(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 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 
 	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 @@ static int xfrm4_beet_output(struct xfrm_state *x, struct sk_buff *skb)
 	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 @@ static int xfrm4_beet_output(struct xfrm_state *x, struct sk_buff *skb)
 	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 @@ static int xfrm4_transport_output(struct xfrm_state *x, struct sk_buff *skb)
 	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 @@ static int xfrm4_transport_input(struct xfrm_state *x, struct sk_buff *skb)
 {
 	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 @@ static int xfrm4_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
 	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);