From eddc9ec53be2ecdbf4efe0efd4a83052594f0ac0 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Apr 2007 22:47:35 -0700 Subject: [SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iph Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- net/ipv4/ipcomp.c | 50 ++++++++++++++++++-------------------------------- 1 file changed, 18 insertions(+), 32 deletions(-) (limited to 'net/ipv4/ipcomp.c') diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index aa704b88f014..8eb46064c525 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -43,21 +43,15 @@ static LIST_HEAD(ipcomp_tfms_list); static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb) { - int err, plen, dlen; struct ipcomp_data *ipcd = x->data; - u8 *start, *scratch; - struct crypto_comp *tfm; - int cpu; - - plen = skb->len; - dlen = IPCOMP_SCRATCH_SIZE; - start = skb->data; + const int plen = skb->len; + int dlen = IPCOMP_SCRATCH_SIZE; + const u8 *start = skb->data; + const int cpu = get_cpu(); + u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu); + struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu); + int err = crypto_comp_decompress(tfm, start, plen, scratch, &dlen); - cpu = get_cpu(); - scratch = *per_cpu_ptr(ipcomp_scratches, cpu); - tfm = *per_cpu_ptr(ipcd->tfms, cpu); - - err = crypto_comp_decompress(tfm, start, plen, scratch, &dlen); if (err) goto out; @@ -90,7 +84,7 @@ static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb) skb->ip_summed = CHECKSUM_NONE; /* Remove ipcomp header and decompress original payload */ - iph = skb->nh.iph; + iph = ip_hdr(skb); ipch = (void *)skb->data; iph->protocol = ipch->nexthdr; skb->h.raw = skb->nh.raw + sizeof(*ipch); @@ -103,23 +97,16 @@ out: static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb) { - int err, plen, dlen, ihlen; - struct iphdr *iph = skb->nh.iph; struct ipcomp_data *ipcd = x->data; - u8 *start, *scratch; - struct crypto_comp *tfm; - int cpu; + const int ihlen = ip_hdrlen(skb); + const int plen = skb->len - ihlen; + int dlen = IPCOMP_SCRATCH_SIZE; + u8 *start = skb->data + ihlen; + const int cpu = get_cpu(); + u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu); + struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu); + int err = crypto_comp_compress(tfm, start, plen, scratch, &dlen); - ihlen = iph->ihl * 4; - plen = skb->len - ihlen; - dlen = IPCOMP_SCRATCH_SIZE; - start = skb->data + ihlen; - - cpu = get_cpu(); - scratch = *per_cpu_ptr(ipcomp_scratches, cpu); - tfm = *per_cpu_ptr(ipcd->tfms, cpu); - - err = crypto_comp_compress(tfm, start, plen, scratch, &dlen); if (err) goto out; @@ -142,12 +129,11 @@ out: static int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb) { int err; - struct iphdr *iph; struct ip_comp_hdr *ipch; struct ipcomp_data *ipcd = x->data; int hdr_len = 0; + struct iphdr *iph = ip_hdr(skb); - iph = skb->nh.iph; iph->tot_len = htons(skb->len); hdr_len = iph->ihl * 4; if ((skb->len - hdr_len) < ipcd->threshold) { @@ -159,7 +145,7 @@ static int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb) goto out_ok; err = ipcomp_compress(x, skb); - iph = skb->nh.iph; + iph = ip_hdr(skb); if (err) { goto out_ok; -- cgit v1.2.3 From 88c7664f13bd1a36acb8566b93892a4c58759ac6 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 13 Mar 2007 14:43:18 -0300 Subject: [SK_BUFF]: Introduce icmp_hdr(), remove skb->h.icmph Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- include/linux/icmp.h | 9 +++++++++ include/linux/skbuff.h | 1 - net/dccp/ipv4.c | 4 ++-- net/ipv4/ah4.c | 4 ++-- net/ipv4/esp4.c | 4 ++-- net/ipv4/icmp.c | 14 +++++++------- net/ipv4/ip_gre.c | 12 ++++++------ net/ipv4/ip_sockglue.c | 6 +++--- net/ipv4/ipcomp.c | 4 ++-- net/ipv4/ipip.c | 12 ++++++------ net/ipv4/raw.c | 6 +++--- net/ipv4/tcp_ipv4.c | 4 ++-- net/ipv4/udp.c | 4 ++-- net/ipv6/sit.c | 12 ++++++------ net/sctp/input.c | 4 ++-- 15 files changed, 54 insertions(+), 46 deletions(-) (limited to 'net/ipv4/ipcomp.c') diff --git a/include/linux/icmp.h b/include/linux/icmp.h index 24da4fbc1a2f..cd3017a15789 100644 --- a/include/linux/icmp.h +++ b/include/linux/icmp.h @@ -82,6 +82,15 @@ struct icmphdr { } un; }; +#ifdef __KERNEL__ +#include + +static inline struct icmphdr *icmp_hdr(const struct sk_buff *skb) +{ + return (struct icmphdr *)skb->h.raw; +} +#endif + /* * constants for (set|get)sockopt */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index cb1ac48cc808..e580416de78a 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -238,7 +238,6 @@ struct sk_buff { union { struct tcphdr *th; - struct icmphdr *icmph; struct iphdr *ipiph; struct ipv6hdr *ipv6h; unsigned char *raw; diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index b85437dae0e7..718f2fa923a1 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -207,8 +207,8 @@ static void dccp_v4_err(struct sk_buff *skb, u32 info) (iph->ihl << 2)); struct dccp_sock *dp; struct inet_sock *inet; - const int type = skb->h.icmph->type; - const int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct sock *sk; __u64 seq; int err; diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index ebcc797e1c13..e1bb9e0aa5f3 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -198,8 +198,8 @@ static void ah4_err(struct sk_buff *skb, u32 info) struct ip_auth_hdr *ah = (struct ip_auth_hdr*)(skb->data+(iph->ihl<<2)); struct xfrm_state *x; - if (skb->h.icmph->type != ICMP_DEST_UNREACH || - skb->h.icmph->code != ICMP_FRAG_NEEDED) + if (icmp_hdr(skb)->type != ICMP_DEST_UNREACH || + icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return; x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET); diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 82543eebfa52..de019f9fbfe1 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -304,8 +304,8 @@ static void esp4_err(struct sk_buff *skb, u32 info) struct ip_esp_hdr *esph = (struct ip_esp_hdr*)(skb->data+(iph->ihl<<2)); struct xfrm_state *x; - if (skb->h.icmph->type != ICMP_DEST_UNREACH || - skb->h.icmph->code != ICMP_FRAG_NEEDED) + if (icmp_hdr(skb)->type != ICMP_DEST_UNREACH || + icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return; x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET); diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 4d70c21c50aa..8372f8b8f0cd 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -355,7 +355,7 @@ static void icmp_push_reply(struct icmp_bxm *icmp_param, ipc, rt, MSG_DONTWAIT) < 0) ip_flush_pending_frames(icmp_socket->sk); else if ((skb = skb_peek(&icmp_socket->sk->sk_write_queue)) != NULL) { - struct icmphdr *icmph = skb->h.icmph; + struct icmphdr *icmph = icmp_hdr(skb); __wsum csum = 0; struct sk_buff *skb1; @@ -613,7 +613,7 @@ static void icmp_unreach(struct sk_buff *skb) if (!pskb_may_pull(skb, sizeof(struct iphdr))) goto out_err; - icmph = skb->h.icmph; + icmph = icmp_hdr(skb); iph = (struct iphdr *)skb->data; if (iph->ihl < 5) /* Mangled header, drop. */ @@ -743,7 +743,7 @@ static void icmp_redirect(struct sk_buff *skb) iph = (struct iphdr *)skb->data; - switch (skb->h.icmph->code & 7) { + switch (icmp_hdr(skb)->code & 7) { case ICMP_REDIR_NET: case ICMP_REDIR_NETTOS: /* @@ -752,7 +752,7 @@ static void icmp_redirect(struct sk_buff *skb) case ICMP_REDIR_HOST: case ICMP_REDIR_HOSTTOS: ip_rt_redirect(ip_hdr(skb)->saddr, iph->daddr, - skb->h.icmph->un.gateway, + icmp_hdr(skb)->un.gateway, iph->saddr, skb->dev); break; } @@ -780,7 +780,7 @@ static void icmp_echo(struct sk_buff *skb) if (!sysctl_icmp_echo_ignore_all) { struct icmp_bxm icmp_param; - icmp_param.data.icmph = *skb->h.icmph; + icmp_param.data.icmph = *icmp_hdr(skb); icmp_param.data.icmph.type = ICMP_ECHOREPLY; icmp_param.skb = skb; icmp_param.offset = 0; @@ -816,7 +816,7 @@ static void icmp_timestamp(struct sk_buff *skb) icmp_param.data.times[2] = icmp_param.data.times[1]; if (skb_copy_bits(skb, 0, &icmp_param.data.times[0], 4)) BUG(); - icmp_param.data.icmph = *skb->h.icmph; + icmp_param.data.icmph = *icmp_hdr(skb); icmp_param.data.icmph.type = ICMP_TIMESTAMPREPLY; icmp_param.data.icmph.code = 0; icmp_param.skb = skb; @@ -943,7 +943,7 @@ int icmp_rcv(struct sk_buff *skb) if (!pskb_pull(skb, sizeof(struct icmphdr))) goto error; - icmph = skb->h.icmph; + icmph = icmp_hdr(skb); /* * 18 is the highest 'known' ICMP type. Anything else is a mystery diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 969fe31723a7..39216e6a59ed 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -320,8 +320,8 @@ static void ipgre_err(struct sk_buff *skb, u32 info) struct iphdr *iph = (struct iphdr*)skb->data; __be16 *p = (__be16*)(skb->data+(iph->ihl<<2)); int grehlen = (iph->ihl<<2) + 4; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct ip_tunnel *t; __be16 flags; @@ -388,8 +388,8 @@ out: struct iphdr *iph = (struct iphdr*)dp; struct iphdr *eiph; __be16 *p = (__be16*)(dp+(iph->ihl<<2)); - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; int rel_type = 0; int rel_code = 0; __be32 rel_info = 0; @@ -422,7 +422,7 @@ out: default: return; case ICMP_PARAMETERPROB: - n = ntohl(skb->h.icmph->un.gateway) >> 24; + n = ntohl(icmp_hdr(skb)->un.gateway) >> 24; if (n < (iph->ihl<<2)) return; @@ -442,7 +442,7 @@ out: return; case ICMP_FRAG_NEEDED: /* And it is the only really necessary thing :-) */ - n = ntohs(skb->h.icmph->un.frag.mtu); + n = ntohs(icmp_hdr(skb)->un.frag.mtu); if (n < grehlen+68) return; n -= grehlen; diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index fabc250e16dd..ccdc59df015f 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -269,12 +269,12 @@ void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err, serr = SKB_EXT_ERR(skb); serr->ee.ee_errno = err; serr->ee.ee_origin = SO_EE_ORIGIN_ICMP; - serr->ee.ee_type = skb->h.icmph->type; - serr->ee.ee_code = skb->h.icmph->code; + serr->ee.ee_type = icmp_hdr(skb)->type; + serr->ee.ee_code = icmp_hdr(skb)->code; serr->ee.ee_pad = 0; serr->ee.ee_info = info; serr->ee.ee_data = 0; - serr->addr_offset = (u8 *)&(((struct iphdr *)(skb->h.icmph + 1))->daddr) - + serr->addr_offset = (u8 *)&(((struct iphdr *)(icmp_hdr(skb) + 1))->daddr) - skb_network_header(skb); serr->port = port; diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index 8eb46064c525..1f13cc507a47 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -174,8 +174,8 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info) struct ip_comp_hdr *ipch = (struct ip_comp_hdr *)(skb->data+(iph->ihl<<2)); struct xfrm_state *x; - if (skb->h.icmph->type != ICMP_DEST_UNREACH || - skb->h.icmph->code != ICMP_FRAG_NEEDED) + if (icmp_hdr(skb)->type != ICMP_DEST_UNREACH || + icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return; spi = htonl(ntohs(ipch->cpi)); diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index b7f6ff4705b0..b32b50114806 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -280,8 +280,8 @@ static int ipip_err(struct sk_buff *skb, u32 info) ICMP in the real Internet is absolutely infeasible. */ struct iphdr *iph = (struct iphdr*)skb->data; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct ip_tunnel *t; int err; @@ -336,8 +336,8 @@ out: struct iphdr *iph = (struct iphdr*)dp; int hlen = iph->ihl<<2; struct iphdr *eiph; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; int rel_type = 0; int rel_code = 0; __be32 rel_info = 0; @@ -354,7 +354,7 @@ out: default: return 0; case ICMP_PARAMETERPROB: - n = ntohl(skb->h.icmph->un.gateway) >> 24; + n = ntohl(icmp_hdr(skb)->un.gateway) >> 24; if (n < hlen) return 0; @@ -373,7 +373,7 @@ out: return 0; case ICMP_FRAG_NEEDED: /* And it is the only really necessary thing :-) */ - n = ntohs(skb->h.icmph->un.frag.mtu); + n = ntohs(icmp_hdr(skb)->un.frag.mtu); if (n < hlen+68) return 0; n -= hlen; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index ac57afa7c316..bf101dc1a972 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -132,7 +132,7 @@ static __inline__ int icmp_filter(struct sock *sk, struct sk_buff *skb) if (!pskb_may_pull(skb, sizeof(struct icmphdr))) return 1; - type = skb->h.icmph->type; + type = icmp_hdr(skb)->type; if (type < 32) { __u32 data = raw_sk(sk)->filter.data; @@ -184,8 +184,8 @@ out: void raw_err (struct sock *sk, struct sk_buff *skb, u32 info) { struct inet_sock *inet = inet_sk(sk); - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; int err = 0; int harderr = 0; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 3a86d6b887ac..51424df9078e 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -354,8 +354,8 @@ void tcp_v4_err(struct sk_buff *skb, u32 info) struct tcphdr *th = (struct tcphdr *)(skb->data + (iph->ihl << 2)); struct tcp_sock *tp; struct inet_sock *inet; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct sock *sk; __u32 seq; int err; diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 926404c5e58c..71b0b60ba538 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -330,8 +330,8 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct hlist_head udptable[]) struct inet_sock *inet; struct iphdr *iph = (struct iphdr*)skb->data; struct udphdr *uh = (struct udphdr*)(skb->data+(iph->ihl<<2)); - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct sock *sk; int harderr; int err; diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 18ec86f177d9..1e8827b90aa7 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -224,8 +224,8 @@ static int ipip6_err(struct sk_buff *skb, u32 info) ICMP in the real Internet is absolutely infeasible. */ struct iphdr *iph = (struct iphdr*)skb->data; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct ip_tunnel *t; int err; @@ -280,8 +280,8 @@ out: struct iphdr *iph = (struct iphdr*)dp; int hlen = iph->ihl<<2; struct ipv6hdr *iph6; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; int rel_type = 0; int rel_code = 0; int rel_info = 0; @@ -296,14 +296,14 @@ out: default: return; case ICMP_PARAMETERPROB: - if (skb->h.icmph->un.gateway < hlen) + if (icmp_hdr(skb)->un.gateway < hlen) return; /* So... This guy found something strange INSIDE encapsulated packet. Well, he is fool, but what can we do ? */ rel_type = ICMPV6_PARAMPROB; - rel_info = skb->h.icmph->un.gateway - hlen; + rel_info = icmp_hdr(skb)->un.gateway - hlen; break; case ICMP_DEST_UNREACH: diff --git a/net/sctp/input.c b/net/sctp/input.c index 3a322c584c74..40d0df80183f 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -507,8 +507,8 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info) { struct iphdr *iph = (struct iphdr *)skb->data; struct sctphdr *sh = (struct sctphdr *)(skb->data + (iph->ihl <<2)); - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct sock *sk; struct sctp_association *asoc = NULL; struct sctp_transport *transport; -- cgit v1.2.3 From b0e380b1d8a8e0aca215df97702f99815f05c094 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 10 Apr 2007 21:21:55 -0700 Subject: [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 Signed-off-by: David S. Miller --- drivers/net/arcnet/arcnet.c | 17 ++++++---- drivers/net/bonding/bond_3ad.c | 4 +-- drivers/net/bonding/bond_alb.c | 2 +- drivers/net/wireless/hostap/hostap_80211_rx.c | 2 +- include/linux/if_vlan.h | 4 +-- include/linux/skbuff.h | 49 +++++++++++---------------- net/802/psnap.c | 2 +- net/8021q/vlan_dev.c | 2 +- net/appletalk/ddp.c | 8 ++--- net/bridge/br_netfilter.c | 24 ++++++------- net/core/dev.c | 6 ++-- net/core/pktgen.c | 16 ++++----- net/core/skbuff.c | 21 ++++++------ net/ieee80211/ieee80211_rx.c | 2 +- net/ipv4/ah4.c | 4 +-- net/ipv4/igmp.c | 2 +- net/ipv4/ip_gre.c | 2 +- net/ipv4/ip_output.c | 11 +++--- net/ipv4/ipcomp.c | 2 +- net/ipv4/ipip.c | 4 +-- net/ipv4/ipmr.c | 8 ++--- net/ipv4/ipvs/ip_vs_xmit.c | 4 +-- net/ipv4/netfilter/ipt_LOG.c | 2 +- net/ipv4/netfilter/ipt_ULOG.c | 2 +- net/ipv4/raw.c | 2 +- net/ipv4/xfrm4_mode_beet.c | 4 +-- net/ipv4/xfrm4_mode_transport.c | 8 ++--- net/ipv4/xfrm4_mode_tunnel.c | 2 +- net/ipv6/ah6.c | 8 ++--- net/ipv6/exthdrs.c | 6 ++-- net/ipv6/ip6_input.c | 2 +- net/ipv6/ip6_output.c | 11 +++--- net/ipv6/ip6_tunnel.c | 4 +-- net/ipv6/ipcomp6.c | 2 +- net/ipv6/netfilter/ip6t_LOG.c | 2 +- net/ipv6/netfilter/nf_conntrack_reasm.c | 4 +-- net/ipv6/raw.c | 2 +- net/ipv6/reassembly.c | 8 ++--- net/ipv6/sit.c | 4 +-- net/ipv6/xfrm6_mode_beet.c | 4 +-- net/ipv6/xfrm6_mode_transport.c | 4 +-- net/ipv6/xfrm6_mode_tunnel.c | 4 +-- net/llc/llc_input.c | 2 +- net/packet/af_packet.c | 28 +++++++-------- net/sctp/input.c | 8 ++--- net/sctp/ipv6.c | 8 ++--- 46 files changed, 162 insertions(+), 165 deletions(-) (limited to 'net/ipv4/ipcomp.c') diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index 83004fdab0a4..681e20b8466f 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -519,9 +519,12 @@ static int arcnet_header(struct sk_buff *skb, struct net_device *dev, * 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 @@ static int arcnet_rebuild_header(struct sk_buff *skb) 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 05c870d6f6c3..7e03f41ae2c2 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -885,7 +885,7 @@ static int ad_lacpdu_send(struct port *port) 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 @@ static int ad_marker_send(struct port *port, struct marker *marker) 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 b8cf777542fa..92c3b6f6a8e7 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -896,7 +896,7 @@ static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[]) 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 7b7c1ca8f1f4..35a3a50724fe 100644 --- a/drivers/net/wireless/hostap/hostap_80211_rx.c +++ b/drivers/net/wireless/hostap/hostap_80211_rx.c @@ -1077,7 +1077,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, 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 544490d9d0bd..81e9bc93569b 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -275,8 +275,8 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, unsigned short 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 230dd43fc9b3..c45ad1263271 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 @@ enum { * @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 @@ struct sk_buff { 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 void skb_reserve(struct sk_buff *skb, int len) 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 7cba1f426081..04ee43e7538f 100644 --- a/net/802/psnap.c +++ b/net/802/psnap.c @@ -59,7 +59,7 @@ static int snap_rcv(struct sk_buff *skb, struct net_device *dev, 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 0991e293940f..42a35bed0881 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -83,7 +83,7 @@ static inline struct sk_buff *vlan_check_reorder_header(struct sk_buff *skb) /* 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 137341b4d833..f6a92a0b7aa6 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1383,10 +1383,10 @@ free_it: * @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 f2796c97b4a2..8cee7fdc16c3 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -174,7 +174,7 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb) 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 @@ static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb) 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 @@ bridged_dnat: 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 @@ bridged_dnat: 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 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff **pskb, 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 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff **pskb, 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 @@ static int br_nf_forward_finish(struct sk_buff *skb) } 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 @@ static unsigned int br_nf_forward_ip(unsigned int hook, struct sk_buff **pskb, 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 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff **pskb, 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 @@ static unsigned int br_nf_local_out(unsigned int hook, struct sk_buff **pskb, } 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 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb, 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 30fcc7f9d4ed..6562e5736e2f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1077,7 +1077,7 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev) 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 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features) 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 @@ int netif_receive_skb(struct sk_buff *skb) 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 ae8cf9a285fd..9da8357addcd 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2358,7 +2358,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, } 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 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, 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 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, } 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 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, 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 f38af6c01b12..1e71764be4a4 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -396,9 +396,9 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) 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 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) #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 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, 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 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features) 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 7f5a352800a0..59a765c49cf9 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c @@ -793,7 +793,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, 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 e1bb9e0aa5f3..6da8ff597ad3 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 4695ada1d9b1..1fc637fb6750 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 e6a9e452fd61..f49afaa81298 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 02988fb262d6..875da382d9b9 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 1f13cc507a47..ba348b1e5f84 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 b32b50114806..37ab39170175 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 357894259f8f..50d0b301380e 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 c6276d08b31e..fded9b2f227c 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 c697971fe317..2fa36618c517 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 fae2a34d23d0..ace711e2b05a 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 bf101dc1a972..24d7c9f31918 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 74859dfb3a25..3650e027ce70 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 dc8834ea3754..601047161ea6 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 521e52f055c1..a2f2e6a5ec5d 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); diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index d2af4fe3725b..b696c8401200 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -316,8 +316,8 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) * * 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 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) } } - 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 f34cc2bd489a..a6a275db88cd 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -306,7 +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_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 @@ looped_back: } 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 @@ 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_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 cf0c4406b59e..be0ee8a34f9b 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -101,7 +101,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt 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 57a326080757..b2c092c6b9dc 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -733,7 +733,8 @@ slow_path: 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 @@ slow_path: /* * 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 @@ static inline int ip6_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; @@ -1198,8 +1199,8 @@ alloc_new_skb: 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 05b59a77bc69..a0902fbdb4e1 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -701,7 +701,7 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol, 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 @@ static int ip6_tnl_xmit2(struct sk_buff *skb, 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 5555c98dea03..7691a1b5caac 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -81,7 +81,7 @@ static int ipcomp6_input(struct xfrm_state *x, struct sk_buff *skb) /* 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 54d176187f3f..b465e24e90b3 100644 --- a/net/ipv6/netfilter/ip6t_LOG.c +++ b/net/ipv6/netfilter/ip6t_LOG.c @@ -396,7 +396,7 @@ ip6t_log_packet(unsigned int pf, /* 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 490e7e151f2d..b7889ceef556 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -630,8 +630,8 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev) 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 f925ca7c1a50..8705f6a502d9 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -583,7 +583,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int 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/ipv6/reassembly.c b/net/ipv6/reassembly.c index 6dfacfa7a599..de795c04e34c 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -646,11 +646,11 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in, /* 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 @@ static int ipv6_frag_rcv(struct sk_buff **skbp) 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 1e8827b90aa7..27fe10ffacb0 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -382,7 +382,7 @@ static int ipip6_rcv(struct sk_buff *skb) 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 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) 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 8a01b0da2ddd..2e61d6ddece3 100644 --- a/net/ipv6/xfrm6_mode_beet.c +++ b/net/ipv6/xfrm6_mode_beet.c @@ -48,8 +48,8 @@ static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb) 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 eb1864b5aae7..c026bfea820a 100644 --- a/net/ipv6/xfrm6_mode_transport.c +++ b/net/ipv6/xfrm6_mode_transport.c @@ -54,10 +54,10 @@ static int xfrm6_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; } 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 21d65df7479e..a6c0cdf46ad6 100644 --- a/net/ipv6/xfrm6_mode_tunnel.c +++ b/net/ipv6/xfrm6_mode_tunnel.c @@ -55,8 +55,8 @@ static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb) 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 b3f65d1e80b1..099ed8fec145 100644 --- a/net/llc/llc_input.c +++ b/net/llc/llc_input.c @@ -112,7 +112,7 @@ static inline int llc_fixup_skb(struct sk_buff *skb) 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 a059cc7be672..51c059b09a37 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -114,22 +114,22 @@ On receive: ----------- 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 @@ On transmit: ------------ 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 f38e91b38719..87feee166da9 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -522,14 +522,14 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info) } /* 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 cd0af9238782..afcb0093c290 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -132,14 +132,14 @@ SCTP_STATIC void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, 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; -- cgit v1.2.3 From 27d7ff46a3498d3debc6ba68fb8014c702b81170 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sat, 31 Mar 2007 11:55:19 -0300 Subject: [SK_BUFF]: Introduce skb_copy_to_linear_data{_offset} To clearly state the intent of copying to linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo --- arch/ia64/hp/sim/simeth.c | 2 +- arch/ia64/sn/kernel/xpnet.c | 2 +- drivers/isdn/hysdn/hycapi.c | 3 +- drivers/net/8139too.c | 6 ++-- drivers/net/appletalk/ltpc.c | 2 +- drivers/net/atari_bionet.c | 3 +- drivers/net/atari_pamsnet.c | 3 +- drivers/net/chelsio/sge.c | 24 ++++++++++------ drivers/net/cxgb3/sge.c | 6 ++-- drivers/net/defxx.c | 4 ++- drivers/net/e100.c | 2 +- drivers/net/e1000/e1000_main.c | 9 ++++-- drivers/net/ehea/ehea_main.c | 4 +-- drivers/net/irda/ali-ircc.c | 2 +- drivers/net/irda/au1k_ir.c | 2 +- drivers/net/irda/donauboe.c | 4 +-- drivers/net/irda/mcs7780.c | 4 +-- drivers/net/irda/nsc-ircc.c | 8 ++++-- drivers/net/irda/pxaficp_ir.c | 2 +- drivers/net/irda/stir4200.c | 2 +- drivers/net/irda/via-ircc.c | 6 ++-- drivers/net/irda/w83977af_ir.c | 8 ++++-- drivers/net/ixgb/ixgb_main.c | 9 ++++-- drivers/net/loopback.c | 3 +- drivers/net/macb.c | 7 +++-- drivers/net/myri10ge/myri10ge.c | 2 +- drivers/net/sk98lin/skge.c | 2 +- drivers/net/skfp/skfddi.c | 2 +- drivers/net/sun3lance.c | 2 +- drivers/net/tokenring/smctr.c | 4 +-- drivers/net/tokenring/tms380tr.c | 3 +- drivers/net/wan/dscc4.c | 3 +- drivers/net/wan/pc300_drv.c | 2 +- drivers/net/wan/pc300_tty.c | 4 +-- drivers/net/wan/z85230.c | 2 +- drivers/net/wireless/prism54/islpci_eth.c | 4 +-- drivers/s390/net/qeth_main.c | 9 +++--- drivers/usb/atm/usbatm.c | 4 ++- drivers/usb/net/asix.c | 2 +- include/linux/skbuff.h | 15 ++++++++++ net/atm/br2684.c | 2 +- net/atm/lec.c | 8 +++--- net/atm/mpc.c | 11 +++++--- net/bridge/br_netfilter.c | 3 +- net/core/netpoll.c | 2 +- net/core/skbuff.c | 2 +- net/ieee80211/ieee80211_rx.c | 5 ++-- net/ipv4/ipcomp.c | 2 +- net/ipv4/ipmr.c | 2 +- net/ipv4/ipvs/ip_vs_app.c | 2 +- net/ipv4/netfilter/ip_queue.c | 2 +- net/ipv6/ipcomp6.c | 2 +- net/ipv6/netfilter/ip6_queue.c | 2 +- net/irda/irttp.c | 2 +- net/irda/wrapper.c | 3 +- net/netfilter/nfnetlink_queue.c | 2 +- net/netrom/nr_out.c | 4 +-- net/rose/af_rose.c | 2 +- net/tipc/link.c | 46 ++++++++++++++++--------------- net/tipc/msg.h | 7 +++-- net/tipc/port.c | 8 +++--- net/wanrouter/wanmain.c | 4 +-- net/x25/x25_out.c | 2 +- 63 files changed, 185 insertions(+), 127 deletions(-) (limited to 'net/ipv4/ipcomp.c') diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c index edef008c2b42..f26077a773d5 100644 --- a/arch/ia64/hp/sim/simeth.c +++ b/arch/ia64/hp/sim/simeth.c @@ -473,7 +473,7 @@ simeth_rx(struct net_device *dev) * XXX Fix me * Should really do a csum+copy here */ - memcpy(skb->data, frame, len); + skb_copy_to_linear_data(skb, frame, len); #endif skb->protocol = eth_type_trans(skb, dev); diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c index 9fc02654f0f5..5419acb89a8c 100644 --- a/arch/ia64/sn/kernel/xpnet.c +++ b/arch/ia64/sn/kernel/xpnet.c @@ -233,7 +233,7 @@ xpnet_receive(partid_t partid, int channel, struct xpnet_message *msg) "%lu)\n", skb->data, &msg->data, (size_t) msg->embedded_bytes); - memcpy(skb->data, &msg->data, (size_t) msg->embedded_bytes); + skb_copy_to_linear_data(skb, &msg->data, (size_t)msg->embedded_bytes); } else { dev_dbg(xpnet, "transferring buffer to the skb->data area;\n\t" "bte_copy(0x%p, 0x%p, %hu)\n", (void *)msg->buf_pa, diff --git a/drivers/isdn/hysdn/hycapi.c b/drivers/isdn/hysdn/hycapi.c index 4433ce0fca55..f85450146bdc 100644 --- a/drivers/isdn/hysdn/hycapi.c +++ b/drivers/isdn/hysdn/hycapi.c @@ -399,7 +399,8 @@ static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) if (_len > 22) { _len2 = _len - 22; skb_copy_from_linear_data(skb, msghead, 22); - memcpy(skb->data + _len2, msghead, 22); + skb_copy_to_linear_data_offset(skb, _len2, + msghead, 22); skb_pull(skb, _len2); CAPIMSG_SETLEN(skb->data, 22); retval = capilib_data_b3_req(&cinfo->ncci_head, diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c index 2101334a8ac2..a844b1fe2dc4 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -1904,10 +1904,10 @@ static __inline__ void wrap_copy(struct sk_buff *skb, const unsigned char *ring, u32 left = RX_BUF_LEN - offset; if (size > left) { - memcpy(skb->data, ring + offset, left); - memcpy(skb->data+left, ring, size - left); + skb_copy_to_linear_data(skb, ring + offset, left); + skb_copy_to_linear_data_offset(skb, left, ring, size - left); } else - memcpy(skb->data, ring + offset, size); + skb_copy_to_linear_data(skb, ring + offset, size); } #endif diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c index 43c17c85c97b..6a6cbd331a16 100644 --- a/drivers/net/appletalk/ltpc.c +++ b/drivers/net/appletalk/ltpc.c @@ -774,7 +774,7 @@ static int sendup_buffer (struct net_device *dev) skb_pull(skb,3); /* copy ddp(s,e)hdr + contents */ - memcpy(skb->data,(void*)ltdmabuf,len); + skb_copy_to_linear_data(skb, ltdmabuf, len); skb_reset_transport_header(skb); diff --git a/drivers/net/atari_bionet.c b/drivers/net/atari_bionet.c index 13dbed368d6a..3d87bd2b4194 100644 --- a/drivers/net/atari_bionet.c +++ b/drivers/net/atari_bionet.c @@ -550,7 +550,8 @@ bionet_poll_rx(struct net_device *dev) { /* 'skb->data' points to the start of sk_buff data area. */ - memcpy(skb->data, nic_packet->buffer, pkt_len); + skb_copy_to_linear_data(skb, nic_packet->buffer, + pkt_len); skb->protocol = eth_type_trans( skb, dev ); netif_rx(skb); dev->last_rx = jiffies; diff --git a/drivers/net/atari_pamsnet.c b/drivers/net/atari_pamsnet.c index 745101d7451b..54714409a09b 100644 --- a/drivers/net/atari_pamsnet.c +++ b/drivers/net/atari_pamsnet.c @@ -793,7 +793,8 @@ pamsnet_poll_rx(struct net_device *dev) { /* 'skb->data' points to the start of sk_buff data area. */ - memcpy(skb->data, nic_packet->buffer, pkt_len); + skb_copy_to_linear_data(skb, nic_packet->buffer, + pkt_len); netif_rx(skb); dev->last_rx = jiffies; lp->stats.rx_packets++; diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 1be1bbd16164..e4f874a70fe5 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -2095,10 +2095,14 @@ static void espibug_workaround_t204(unsigned long data) 0x0, 0x7, 0x43, 0x0, 0x0, 0x0 }; - memcpy(skb->data + sizeof(struct cpl_tx_pkt), - ch_mac_addr, ETH_ALEN); - memcpy(skb->data + skb->len - 10, - ch_mac_addr, ETH_ALEN); + skb_copy_to_linear_data_offset(skb, + sizeof(struct cpl_tx_pkt), + ch_mac_addr, + ETH_ALEN); + skb_copy_to_linear_data_offset(skb, + skb->len - 10, + ch_mac_addr, + ETH_ALEN); skb->cb[0] = 0xff; } @@ -2125,10 +2129,14 @@ static void espibug_workaround(unsigned long data) if (!skb->cb[0]) { u8 ch_mac_addr[ETH_ALEN] = {0x0, 0x7, 0x43, 0x0, 0x0, 0x0}; - memcpy(skb->data + sizeof(struct cpl_tx_pkt), - ch_mac_addr, ETH_ALEN); - memcpy(skb->data + skb->len - 10, ch_mac_addr, - ETH_ALEN); + skb_copy_to_linear_data_offset(skb, + sizeof(struct cpl_tx_pkt), + ch_mac_addr, + ETH_ALEN); + skb_copy_to_linear_data_offset(skb, + skb->len - 10, + ch_mac_addr, + ETH_ALEN); skb->cb[0] = 0xff; } diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 166c959c94b9..3666586a4831 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -661,7 +661,7 @@ static inline struct sk_buff *get_imm_packet(const struct rsp_desc *resp) if (skb) { __skb_put(skb, IMMED_PKT_SIZE); - memcpy(skb->data, resp->imm_data, IMMED_PKT_SIZE); + skb_copy_to_linear_data(skb, resp->imm_data, IMMED_PKT_SIZE); } return skb; } @@ -1722,11 +1722,11 @@ static void skb_data_init(struct sk_buff *skb, struct sge_fl_page *p, { skb->len = len; if (len <= SKB_DATA_SIZE) { - memcpy(skb->data, p->va, len); + skb_copy_to_linear_data(skb, p->va, len); skb->tail += len; put_page(p->frag.page); } else { - memcpy(skb->data, p->va, SKB_DATA_SIZE); + skb_copy_to_linear_data(skb, p->va, SKB_DATA_SIZE); skb_shinfo(skb)->frags[0].page = p->frag.page; skb_shinfo(skb)->frags[0].page_offset = p->frag.page_offset + SKB_DATA_SIZE; diff --git a/drivers/net/defxx.c b/drivers/net/defxx.c index 8d29fae1c71c..571d82f8008c 100644 --- a/drivers/net/defxx.c +++ b/drivers/net/defxx.c @@ -3091,7 +3091,9 @@ static void dfx_rcv_queue_process( { /* Receive buffer allocated, pass receive packet up */ - memcpy(skb->data, p_buff + RCV_BUFF_K_PADDING, pkt_len+3); + skb_copy_to_linear_data(skb, + p_buff + RCV_BUFF_K_PADDING, + pkt_len + 3); } skb_reserve(skb,3); /* adjust data field so that it points to FC byte */ diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 0cefef5e3f06..4d0e0aea72bf 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1769,7 +1769,7 @@ static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) /* Align, init, and map the RFD. */ skb_reserve(rx->skb, NET_IP_ALIGN); - memcpy(rx->skb->data, &nic->blank_rfd, sizeof(struct rfd)); + skb_copy_to_linear_data(rx->skb, &nic->blank_rfd, sizeof(struct rfd)); rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data, RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL); diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index e7c93f44f810..610216ec4918 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -4224,9 +4224,12 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, netdev_alloc_skb(netdev, length + NET_IP_ALIGN); if (new_skb) { skb_reserve(new_skb, NET_IP_ALIGN); - memcpy(new_skb->data - NET_IP_ALIGN, - skb->data - NET_IP_ALIGN, - length + NET_IP_ALIGN); + skb_copy_to_linear_data_offset(new_skb, + -NET_IP_ALIGN, + (skb->data - + NET_IP_ALIGN), + (length + + NET_IP_ALIGN)); /* save the skb in buffer_info as good */ buffer_info->skb = skb; skb = new_skb; diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 8b5392072632..58364a0ff378 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -391,8 +391,8 @@ static int ehea_poll(struct net_device *dev, int *budget) if (!skb) break; } - memcpy(skb->data, ((char*)cqe) + 64, - cqe->num_bytes_transfered - 4); + skb_copy_to_linear_data(skb, ((char*)cqe) + 64, + cqe->num_bytes_transfered - 4); ehea_fill_skb(dev, skb, cqe); } else if (rq == 2) { /* RQ2 */ skb = get_skb_by_index(skb_arr_rq2, diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c index fb2248a25516..f9c889c0dd07 100644 --- a/drivers/net/irda/ali-ircc.c +++ b/drivers/net/irda/ali-ircc.c @@ -1923,7 +1923,7 @@ static int ali_ircc_dma_receive_complete(struct ali_ircc_cb *self) /* Copy frame without CRC, CRC is removed by hardware*/ skb_put(skb, len); - memcpy(skb->data, self->rx_buff.data, len); + skb_copy_to_linear_data(skb, self->rx_buff.data, len); /* Move to next frame */ self->rx_buff.data += len; diff --git a/drivers/net/irda/au1k_ir.c b/drivers/net/irda/au1k_ir.c index cdd1f6c1e741..4dbdfaaf37bf 100644 --- a/drivers/net/irda/au1k_ir.c +++ b/drivers/net/irda/au1k_ir.c @@ -604,7 +604,7 @@ static int au1k_irda_rx(struct net_device *dev) skb_put(skb, count); else skb_put(skb, count-2); - memcpy(skb->data, (void *)pDB->vaddr, count-2); + skb_copy_to_linear_data(skb, pDB->vaddr, count - 2); skb->dev = dev; skb_reset_mac_header(skb); skb->protocol = htons(ETH_P_IRDA); diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c index 9987a0dc1eaf..3ca47bf6dfec 100644 --- a/drivers/net/irda/donauboe.c +++ b/drivers/net/irda/donauboe.c @@ -1282,8 +1282,8 @@ dumpbufs(self->rx_bufs[self->rxs],len,'<'); skb_reserve (skb, 1); skb_put (skb, len); - memcpy (skb->data, self->rx_bufs[self->rxs], len); - + skb_copy_to_linear_data(skb, self->rx_bufs[self->rxs], + len); self->stats.rx_packets++; skb->dev = self->netdev; skb_reset_mac_header(skb); diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c index 4b0037e498f8..54d1d543c92c 100644 --- a/drivers/net/irda/mcs7780.c +++ b/drivers/net/irda/mcs7780.c @@ -426,7 +426,7 @@ static void mcs_unwrap_mir(struct mcs_cb *mcs, __u8 *buf, int len) } skb_reserve(skb, 1); - memcpy(skb->data, buf, new_len); + skb_copy_to_linear_data(skb, buf, new_len); skb_put(skb, new_len); skb_reset_mac_header(skb); skb->protocol = htons(ETH_P_IRDA); @@ -479,7 +479,7 @@ static void mcs_unwrap_fir(struct mcs_cb *mcs, __u8 *buf, int len) } skb_reserve(skb, 1); - memcpy(skb->data, buf, new_len); + skb_copy_to_linear_data(skb, buf, new_len); skb_put(skb, new_len); skb_reset_mac_header(skb); skb->protocol = htons(ETH_P_IRDA); diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c index 0ff992714136..d96c89751a71 100644 --- a/drivers/net/irda/nsc-ircc.c +++ b/drivers/net/irda/nsc-ircc.c @@ -1868,10 +1868,14 @@ static int nsc_ircc_dma_receive_complete(struct nsc_ircc_cb *self, int iobase) /* Copy frame without CRC */ if (self->io.speed < 4000000) { skb_put(skb, len-2); - memcpy(skb->data, self->rx_buff.data, len-2); + skb_copy_to_linear_data(skb, + self->rx_buff.data, + len - 2); } else { skb_put(skb, len-4); - memcpy(skb->data, self->rx_buff.data, len-4); + skb_copy_to_linear_data(skb, + self->rx_buff.data, + len - 4); } /* Move to next frame */ diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c index b3e1107420af..fb196fd91855 100644 --- a/drivers/net/irda/pxaficp_ir.c +++ b/drivers/net/irda/pxaficp_ir.c @@ -386,7 +386,7 @@ static void pxa_irda_fir_irq_eif(struct pxa_irda *si, struct net_device *dev, in /* Align IP header to 20 bytes */ skb_reserve(skb, 1); - memcpy(skb->data, si->dma_rx_buff, len); + skb_copy_to_linear_data(skb, si->dma_rx_buff, len); skb_put(skb, len); /* Feed it to IrLAP */ diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c index aec86a214340..755aa444a4dd 100644 --- a/drivers/net/irda/stir4200.c +++ b/drivers/net/irda/stir4200.c @@ -348,7 +348,7 @@ static void fir_eof(struct stir_cb *stir) } skb_reserve(nskb, 1); skb = nskb; - memcpy(nskb->data, rx_buff->data, len); + skb_copy_to_linear_data(nskb, rx_buff->data, len); } else { nskb = dev_alloc_skb(rx_buff->truesize); if (unlikely(!nskb)) { diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c index 45bbd6686151..ff5358574d0a 100644 --- a/drivers/net/irda/via-ircc.c +++ b/drivers/net/irda/via-ircc.c @@ -1189,7 +1189,7 @@ F01_E */ skb_reserve(skb, 1); skb_put(skb, len - 4); - memcpy(skb->data, self->rx_buff.data, len - 4); + skb_copy_to_linear_data(skb, self->rx_buff.data, len - 4); IRDA_DEBUG(2, "%s(): len=%x.rx_buff=%p\n", __FUNCTION__, len - 4, self->rx_buff.data); @@ -1234,7 +1234,7 @@ static int upload_rxdata(struct via_ircc_cb *self, int iobase) } skb_reserve(skb, 1); skb_put(skb, len - 4 + 1); - memcpy(skb->data, self->rx_buff.data, len - 4 + 1); + skb_copy_to_linear_data(skb, self->rx_buff.data, len - 4 + 1); st_fifo->tail++; st_fifo->len++; if (st_fifo->tail > MAX_RX_WINDOW) @@ -1303,7 +1303,7 @@ static int RxTimerHandler(struct via_ircc_cb *self, int iobase) } skb_reserve(skb, 1); skb_put(skb, len - 4); - memcpy(skb->data, self->rx_buff.data, len - 4); + skb_copy_to_linear_data(skb, self->rx_buff.data, len - 4); IRDA_DEBUG(2, "%s(): len=%x.head=%x\n", __FUNCTION__, len - 4, st_fifo->head); diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c index 0d4a68618fc1..5182e800cc18 100644 --- a/drivers/net/irda/w83977af_ir.c +++ b/drivers/net/irda/w83977af_ir.c @@ -908,10 +908,14 @@ int w83977af_dma_receive_complete(struct w83977af_ir *self) /* Copy frame without CRC */ if (self->io.speed < 4000000) { skb_put(skb, len-2); - memcpy(skb->data, self->rx_buff.data, len-2); + skb_copy_to_linear_data(skb, + self->rx_buff.data, + len - 2); } else { skb_put(skb, len-4); - memcpy(skb->data, self->rx_buff.data, len-4); + skb_copy_to_linear_data(skb, + self->rx_buff.data, + len - 4); } /* Move to next frame */ diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index e729ced52dc3..dfde80e54aef 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -2017,9 +2017,12 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter) netdev_alloc_skb(netdev, length + NET_IP_ALIGN); if (new_skb) { skb_reserve(new_skb, NET_IP_ALIGN); - memcpy(new_skb->data - NET_IP_ALIGN, - skb->data - NET_IP_ALIGN, - length + NET_IP_ALIGN); + skb_copy_to_linear_data_offset(new_skb, + -NET_IP_ALIGN, + (skb->data - + NET_IP_ALIGN), + (length + + NET_IP_ALIGN)); /* save the skb in buffer_info as good */ buffer_info->skb = skb; skb = new_skb; diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index 20b5cb101368..6df673a058ce 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -94,7 +94,8 @@ static void emulate_large_send_offload(struct sk_buff *skb) skb_set_mac_header(nskb, -ETH_HLEN); skb_reset_network_header(nskb); iph = ip_hdr(nskb); - memcpy(nskb->data, skb_network_header(skb), doffset); + skb_copy_to_linear_data(nskb, skb_network_header(skb), + doffset); if (skb_copy_bits(skb, doffset + offset, nskb->data + doffset, diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 9e233f8216a7..0e04f7ac3f2e 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -367,9 +367,10 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag, BUG_ON(frag != last_frag); frag_len = len - offset; } - memcpy(skb->data + offset, - bp->rx_buffers + (RX_BUFFER_SIZE * frag), - frag_len); + skb_copy_to_linear_data_offset(skb, offset, + (bp->rx_buffers + + (RX_BUFFER_SIZE * frag)), + frag_len); offset += RX_BUFFER_SIZE; bp->rx_ring[frag].addr &= ~MACB_BIT(RX_USED); wmb(); diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index e4b69a0485ba..16e3c4315e82 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -879,7 +879,7 @@ myri10ge_rx_skb_build(struct sk_buff *skb, u8 * va, * skb_pull() (for ether_pad and eth_type_trans()) requires * the beginning of the packet in skb_headlen(), move it * manually */ - memcpy(skb->data, va, hlen); + skb_copy_to_linear_data(skb, va, hlen); skb_shinfo(skb)->frags[0].page_offset += hlen; skb_shinfo(skb)->frags[0].size -= hlen; skb->data_len -= hlen; diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index b987a5c3f42a..e0a93005e6dc 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -2127,7 +2127,7 @@ rx_start: (dma_addr_t) PhysAddr, FrameLength, PCI_DMA_FROMDEVICE); - memcpy(pNewMsg->data, pMsg, FrameLength); + skb_copy_to_linear_data(pNewMsg, pMsg, FrameLength); pci_dma_sync_single_for_device(pAC->PciDev, (dma_addr_t) PhysAddr, diff --git a/drivers/net/skfp/skfddi.c b/drivers/net/skfp/skfddi.c index 064e7c21c01d..a7ef6c8b7721 100644 --- a/drivers/net/skfp/skfddi.c +++ b/drivers/net/skfp/skfddi.c @@ -1937,7 +1937,7 @@ int mac_drv_rx_init(struct s_smc *smc, int len, int fc, } skb_reserve(skb, 3); skb_put(skb, len); - memcpy(skb->data, look_ahead, len); + skb_copy_to_linear_data(skb, look_ahead, len); // deliver frame to system skb->protocol = fddi_type_trans(skb, smc->os.dev); diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c index 327ed7962fbd..791e081fdc15 100644 --- a/drivers/net/sun3lance.c +++ b/drivers/net/sun3lance.c @@ -853,7 +853,7 @@ static int lance_rx( struct net_device *dev ) skb_reserve( skb, 2 ); /* 16 byte align */ skb_put( skb, pkt_len ); /* Make room */ -// memcpy( skb->data, PKTBUF_ADDR(head), pkt_len ); +// skb_copy_to_linear_data(skb, PKTBUF_ADDR(head), pkt_len); eth_copy_and_sum(skb, PKTBUF_ADDR(head), pkt_len, 0); diff --git a/drivers/net/tokenring/smctr.c b/drivers/net/tokenring/smctr.c index b0296d80e46c..9bbea5c8acf4 100644 --- a/drivers/net/tokenring/smctr.c +++ b/drivers/net/tokenring/smctr.c @@ -3889,7 +3889,7 @@ static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, /* Slide data into a sleek skb. */ skb_put(skb, skb->len); - memcpy(skb->data, rmf, skb->len); + skb_copy_to_linear_data(skb, rmf, skb->len); /* Update Counters */ tp->MacStat.rx_packets++; @@ -4475,7 +4475,7 @@ static int smctr_rx_frame(struct net_device *dev) if (skb) { skb_put(skb, rx_size); - memcpy(skb->data, pbuff, rx_size); + skb_copy_to_linear_data(skb, pbuff, rx_size); /* Update Counters */ tp->MacStat.rx_packets++; diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c index e6f0817c3509..12bd294045a7 100644 --- a/drivers/net/tokenring/tms380tr.c +++ b/drivers/net/tokenring/tms380tr.c @@ -2178,7 +2178,8 @@ static void tms380tr_rcv_status_irq(struct net_device *dev) || rpl->SkbStat == SKB_DMA_DIRECT)) { if(rpl->SkbStat == SKB_DATA_COPY) - memcpy(skb->data, ReceiveDataPtr, Length); + skb_copy_to_linear_data(skb, ReceiveDataPtr, + Length); /* Deliver frame to system */ rpl->Skb = NULL; diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c index 25021a7992a9..dca024471455 100644 --- a/drivers/net/wan/dscc4.c +++ b/drivers/net/wan/dscc4.c @@ -1904,7 +1904,8 @@ static struct sk_buff *dscc4_init_dummy_skb(struct dscc4_dev_priv *dpriv) struct TxFD *tx_fd = dpriv->tx_fd + last; skb->len = DUMMY_SKB_SIZE; - memcpy(skb->data, version, strlen(version)%DUMMY_SKB_SIZE); + skb_copy_to_linear_data(skb, version, + strlen(version) % DUMMY_SKB_SIZE); tx_fd->state = FrameEnd | TO_STATE_TX(DUMMY_SKB_SIZE); tx_fd->data = pci_map_single(dpriv->pci_priv->pdev, skb->data, DUMMY_SKB_SIZE, PCI_DMA_TODEVICE); diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c index 8ba75bb17326..999bf71937ca 100644 --- a/drivers/net/wan/pc300_drv.c +++ b/drivers/net/wan/pc300_drv.c @@ -1759,7 +1759,7 @@ cpc_trace(struct net_device *dev, struct sk_buff *skb_main, char rx_tx) skb->pkt_type = PACKET_HOST; skb->len = 10 + skb_main->len; - memcpy(skb->data, dev->name, 5); + skb_copy_to_linear_data(skb, dev->name, 5); skb->data[5] = '['; skb->data[6] = rx_tx; skb->data[7] = ']'; diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c index de02a07259cf..07dbdfbfc15d 100644 --- a/drivers/net/wan/pc300_tty.c +++ b/drivers/net/wan/pc300_tty.c @@ -1007,13 +1007,13 @@ static void cpc_tty_trace(pc300dev_t *dev, char* buf, int len, char rxtx) skb->pkt_type = PACKET_HOST; skb->len = 10 + len; - memcpy(skb->data,dev->dev->name,5); + skb_copy_to_linear_data(skb, dev->dev->name, 5); skb->data[5] = '['; skb->data[6] = rxtx; skb->data[7] = ']'; skb->data[8] = ':'; skb->data[9] = ' '; - memcpy(&skb->data[10], buf, len); + skb_copy_to_linear_data_offset(skb, 10, buf, len); netif_rx(skb); } diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c index 9432d2ce7745..98ef400908b8 100644 --- a/drivers/net/wan/z85230.c +++ b/drivers/net/wan/z85230.c @@ -1656,7 +1656,7 @@ static void z8530_rx_done(struct z8530_channel *c) else { skb_put(skb, ct); - memcpy(skb->data, rxb, ct); + skb_copy_to_linear_data(skb, rxb, ct); c->stats.rx_packets++; c->stats.rx_bytes+=ct; } diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c index 7d8bff1dbc4d..dd070cccf324 100644 --- a/drivers/net/wireless/prism54/islpci_eth.c +++ b/drivers/net/wireless/prism54/islpci_eth.c @@ -136,7 +136,7 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev) printk("islpci_eth_transmit:wds_mac\n"); #endif memmove(skb->data + 6, src, skb->len); - memcpy(skb->data, wds_mac, 6); + skb_copy_to_linear_data(skb, wds_mac, 6); } else { memmove(skb->data, src, skb->len); } @@ -165,7 +165,7 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev) skb_copy_from_linear_data(skb, newskb->data + 6, skb->len); - memcpy(newskb->data, wds_mac, 6); + skb_copy_to_linear_data(newskb, wds_mac, 6); #ifdef ISLPCI_ETH_DEBUG printk("islpci_eth_transmit:wds_mac\n"); #endif diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index df7f279ec408..ad7792dc1a04 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -2501,7 +2501,8 @@ qeth_process_inbound_buffer(struct qeth_card *card, vlan_tag = qeth_rebuild_skb(card, skb, hdr); else { /*in case of OSN*/ skb_push(skb, sizeof(struct qeth_hdr)); - memcpy(skb->data, hdr, sizeof(struct qeth_hdr)); + skb_copy_to_linear_data(skb, hdr, + sizeof(struct qeth_hdr)); } /* is device UP ? */ if (!(card->dev->flags & IFF_UP)){ @@ -3870,9 +3871,9 @@ __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv) * memcpys instead of one memmove to save cycles. */ skb_push(skb, VLAN_HLEN); - memcpy(skb->data, skb->data + 4, 4); - memcpy(skb->data + 4, skb->data + 8, 4); - memcpy(skb->data + 8, skb->data + 12, 4); + skb_copy_to_linear_data(skb, skb->data + 4, 4); + skb_copy_to_linear_data_offset(skb, 4, skb->data + 8, 4); + skb_copy_to_linear_data_offset(skb, 8, skb->data + 12, 4); tag = (u16 *)(skb->data + 12); /* * first two bytes = ETH_P_8021Q (0x8100) diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index d287c5755229..d3e2c5f90a26 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -396,7 +396,9 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char goto out; /* atm_charge increments rx_drop */ } - memcpy(skb->data, skb_tail_pointer(sarb) - pdu_length, length); + skb_copy_to_linear_data(skb, + skb_tail_pointer(sarb) - pdu_length, + length); __skb_put(skb, length); vdbg("%s: sending skb 0x%p, skb->len %u, skb->truesize %u", diff --git a/drivers/usb/net/asix.c b/drivers/usb/net/asix.c index f56e2dab3712..d5ef97bc4d01 100644 --- a/drivers/usb/net/asix.c +++ b/drivers/usb/net/asix.c @@ -352,7 +352,7 @@ static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb, skb_push(skb, 4); packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4); cpu_to_le32s(&packet_len); - memcpy(skb->data, &packet_len, sizeof(packet_len)); + skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len)); if ((skb->len % 512) == 0) { cpu_to_le32s(&padbytes); diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 08c96bcbc59c..92969f662ee4 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1521,6 +1521,21 @@ static inline void skb_copy_from_linear_data_offset(const struct sk_buff *skb, memcpy(to, skb->data + offset, len); } +static inline void skb_copy_to_linear_data(struct sk_buff *skb, + const void *from, + const unsigned int len) +{ + memcpy(skb->data, from, len); +} + +static inline void skb_copy_to_linear_data_offset(struct sk_buff *skb, + const int offset, + const void *from, + const unsigned int len) +{ + memcpy(skb->data + offset, from, len); +} + extern void skb_init(void); /** diff --git a/net/atm/br2684.c b/net/atm/br2684.c index a1686dfcbb9a..0e9f00c5c899 100644 --- a/net/atm/br2684.c +++ b/net/atm/br2684.c @@ -173,7 +173,7 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct br2684_dev *brdev, } skb_push(skb, minheadroom); if (brvcc->encaps == e_llc) - memcpy(skb->data, llc_oui_pid_pad, 10); + skb_copy_to_linear_data(skb, llc_oui_pid_pad, 10); else memset(skb->data, 0, 2); #endif /* FASTER_VERSION */ diff --git a/net/atm/lec.c b/net/atm/lec.c index 4b3e72f31b3b..6d63afa5764d 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -576,8 +576,8 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb) break; } skb2->len = sizeof(struct atmlec_msg); - memcpy(skb2->data, mesg, - sizeof(struct atmlec_msg)); + skb_copy_to_linear_data(skb2, mesg, + sizeof(*mesg)); atm_force_charge(priv->lecd, skb2->truesize); sk = sk_atm(priv->lecd); skb_queue_tail(&sk->sk_receive_queue, skb2); @@ -1337,7 +1337,7 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force, if (skb == NULL) return -1; skb->len = *sizeoftlvs; - memcpy(skb->data, *tlvs, *sizeoftlvs); + skb_copy_to_linear_data(skb, *tlvs, *sizeoftlvs); retval = send_to_lecd(priv, l_arp_xmt, dst_mac, NULL, skb); } return retval; @@ -1371,7 +1371,7 @@ static int lane2_associate_req(struct net_device *dev, u8 *lan_dst, if (skb == NULL) return 0; skb->len = sizeoftlvs; - memcpy(skb->data, tlvs, sizeoftlvs); + skb_copy_to_linear_data(skb, tlvs, sizeoftlvs); retval = send_to_lecd(priv, l_associate_req, NULL, NULL, skb); if (retval != 0) printk("lec.c: lane2_associate_req() failed\n"); diff --git a/net/atm/mpc.c b/net/atm/mpc.c index 4d2592c14090..813e08d6dc7c 100644 --- a/net/atm/mpc.c +++ b/net/atm/mpc.c @@ -504,11 +504,13 @@ static int send_via_shortcut(struct sk_buff *skb, struct mpoa_client *mpc) tagged_llc_snap_hdr.tag = entry->ctrl_info.tag; skb_pull(skb, ETH_HLEN); /* get rid of Eth header */ skb_push(skb, sizeof(tagged_llc_snap_hdr)); /* add LLC/SNAP header */ - memcpy(skb->data, &tagged_llc_snap_hdr, sizeof(tagged_llc_snap_hdr)); + skb_copy_to_linear_data(skb, &tagged_llc_snap_hdr, + sizeof(tagged_llc_snap_hdr)); } else { skb_pull(skb, ETH_HLEN); /* get rid of Eth header */ skb_push(skb, sizeof(struct llc_snap_hdr)); /* add LLC/SNAP header + tag */ - memcpy(skb->data, &llc_snap_mpoa_data, sizeof(struct llc_snap_hdr)); + skb_copy_to_linear_data(skb, &llc_snap_mpoa_data, + sizeof(struct llc_snap_hdr)); } atomic_add(skb->truesize, &sk_atm(entry->shortcut)->sk_wmem_alloc); @@ -711,7 +713,8 @@ static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb) return; } skb_push(new_skb, eg->ctrl_info.DH_length); /* add MAC header */ - memcpy(new_skb->data, eg->ctrl_info.DLL_header, eg->ctrl_info.DH_length); + skb_copy_to_linear_data(new_skb, eg->ctrl_info.DLL_header, + eg->ctrl_info.DH_length); new_skb->protocol = eth_type_trans(new_skb, dev); skb_reset_network_header(new_skb); @@ -936,7 +939,7 @@ int msg_to_mpoad(struct k_message *mesg, struct mpoa_client *mpc) if (skb == NULL) return -ENOMEM; skb_put(skb, sizeof(struct k_message)); - memcpy(skb->data, mesg, sizeof(struct k_message)); + skb_copy_to_linear_data(skb, mesg, sizeof(*mesg)); atm_force_charge(mpc->mpoad_vcc, skb->truesize); sk = sk_atm(mpc->mpoad_vcc); diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 8b45224699f4..fd70d041e51f 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -149,7 +149,8 @@ int nf_bridge_copy_header(struct sk_buff *skb) if (err) return err; - memcpy(skb->data - header_size, skb->nf_bridge->data, header_size); + skb_copy_to_linear_data_offset(skb, -header_size, + skb->nf_bridge->data, header_size); if (skb->protocol == htons(ETH_P_8021Q)) __skb_push(skb, VLAN_HLEN); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 57a82445c465..1fb30c3528bc 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -293,7 +293,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) if (!skb) return; - memcpy(skb->data, msg, len); + skb_copy_to_linear_data(skb, msg, len); skb->len += len; skb_push(skb, sizeof(*udph)); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 17c6bb5927b6..331d3efa82fa 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1129,7 +1129,7 @@ int skb_store_bits(const struct sk_buff *skb, int offset, void *from, int len) if ((copy = start - offset) > 0) { if (copy > len) copy = len; - memcpy(skb->data + offset, from, copy); + skb_copy_to_linear_data_offset(skb, offset, from, copy); if ((len -= copy) == 0) return 0; offset += copy; diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c index 94e2b8e2ab26..6ae036b1920f 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c @@ -759,8 +759,9 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, IEEE80211_FCTL_TODS) && skb->len >= ETH_HLEN + ETH_ALEN) { /* Non-standard frame: get addr4 from its bogus location after * the payload */ - memcpy(skb->data + ETH_ALEN, - skb->data + skb->len - ETH_ALEN, ETH_ALEN); + skb_copy_to_linear_data_offset(skb, ETH_ALEN, + skb->data + skb->len - ETH_ALEN, + ETH_ALEN); skb_trim(skb, skb->len - ETH_ALEN); } #endif diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index ba348b1e5f84..ab86137c71d2 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -66,7 +66,7 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb) skb->truesize += dlen - plen; __skb_put(skb, dlen - plen); - memcpy(skb->data, scratch, dlen); + skb_copy_to_linear_data(skb, scratch, dlen); out: put_cpu(); return err; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 48027df5a90b..0ebae413ae87 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -584,7 +584,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert) skb->network_header = skb->tail; skb_put(skb, ihl); - memcpy(skb->data,pkt->data,ihl); + skb_copy_to_linear_data(skb, pkt->data, ihl); ip_hdr(skb)->protocol = 0; /* Flag to the kernel this is a route add */ msg = (struct igmpmsg *)skb_network_header(skb); msg->im_vif = vifi; diff --git a/net/ipv4/ipvs/ip_vs_app.c b/net/ipv4/ipvs/ip_vs_app.c index c8a822c0aa75..15ad5dd2d984 100644 --- a/net/ipv4/ipvs/ip_vs_app.c +++ b/net/ipv4/ipvs/ip_vs_app.c @@ -602,7 +602,7 @@ int ip_vs_skb_replace(struct sk_buff *skb, gfp_t pri, skb_put(skb, diff); memmove(skb->data + o_offset + n_len, skb->data + o_offset + o_len, o_left); - memcpy(skb->data + o_offset, n_buf, n_len); + skb_copy_to_linear_data_offset(skb, o_offset, n_buf, n_len); } /* must update the iph total length here */ diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index cd8fec05f9bc..0d72693869e6 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -368,7 +368,7 @@ ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct ipq_queue_entry *e) } if (!skb_make_writable(&e->skb, v->data_len)) return -ENOMEM; - memcpy(e->skb->data, v->payload, v->data_len); + skb_copy_to_linear_data(e->skb, v->payload, v->data_len); e->skb->ip_summed = CHECKSUM_NONE; return 0; diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index 7691a1b5caac..1ee50b5782e1 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -111,7 +111,7 @@ static int ipcomp6_input(struct xfrm_state *x, struct sk_buff *skb) skb->truesize += dlen - plen; __skb_put(skb, dlen - plen); - memcpy(skb->data, scratch, dlen); + skb_copy_to_linear_data(skb, scratch, dlen); err = ipch->nexthdr; out_put_cpu: diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index 2f1ae422d87f..bfae9fdc4668 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -366,7 +366,7 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e) } if (!skb_make_writable(&e->skb, v->data_len)) return -ENOMEM; - memcpy(e->skb->data, v->payload, v->data_len); + skb_copy_to_linear_data(e->skb, v->payload, v->data_len); e->skb->ip_summed = CHECKSUM_NONE; return 0; diff --git a/net/irda/irttp.c b/net/irda/irttp.c index b55bc8f989df..3279897a01b0 100644 --- a/net/irda/irttp.c +++ b/net/irda/irttp.c @@ -256,7 +256,7 @@ static struct sk_buff *irttp_reassemble_skb(struct tsap_cb *self) * Copy all fragments to a new buffer */ while ((frag = skb_dequeue(&self->rx_fragments)) != NULL) { - memcpy(skb->data+n, frag->data, frag->len); + skb_copy_to_linear_data_offset(skb, n, frag->data, frag->len); n += frag->len; dev_kfree_skb(frag); diff --git a/net/irda/wrapper.c b/net/irda/wrapper.c index 2acc66dfb558..a7a7f191f1a8 100644 --- a/net/irda/wrapper.c +++ b/net/irda/wrapper.c @@ -239,7 +239,8 @@ async_bump(struct net_device *dev, if(docopy) { /* Copy data without CRC (lenght already checked) */ - memcpy(newskb->data, rx_buff->data, rx_buff->len - 2); + skb_copy_to_linear_data(newskb, rx_buff->data, + rx_buff->len - 2); /* Deliver this skb */ dataskb = newskb; } else { diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 9aefb1c9bfa3..7a97bec67729 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -648,7 +648,7 @@ nfqnl_mangle(void *data, int data_len, struct nfqnl_queue_entry *e) } if (!skb_make_writable(&e->skb, data_len)) return -ENOMEM; - memcpy(e->skb->data, data, data_len); + skb_copy_to_linear_data(e->skb, data, data_len); e->skb->ip_summed = CHECKSUM_NONE; return 0; } diff --git a/net/netrom/nr_out.c b/net/netrom/nr_out.c index 7c467c95c7d6..e3e6c44e1890 100644 --- a/net/netrom/nr_out.c +++ b/net/netrom/nr_out.c @@ -59,8 +59,8 @@ void nr_output(struct sock *sk, struct sk_buff *skb) /* Duplicate the Transport Header */ skb_push(skbn, NR_TRANSPORT_LEN); - memcpy(skbn->data, transport, NR_TRANSPORT_LEN); - + skb_copy_to_linear_data(skbn, transport, + NR_TRANSPORT_LEN); if (skb->len > 0) skbn->data[4] |= NR_MORE_FLAG; diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index f38c3b3471ee..806bf6f5dc6d 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -1181,7 +1181,7 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock, /* Duplicate the Header */ skb_push(skbn, ROSE_MIN_LEN); - memcpy(skbn->data, header, ROSE_MIN_LEN); + skb_copy_to_linear_data(skbn, header, ROSE_MIN_LEN); if (skb->len > 0) skbn->data[2] |= M_BIT; diff --git a/net/tipc/link.c b/net/tipc/link.c index 71c2f2fd405c..f3f99c8ea08a 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1001,7 +1001,7 @@ static int link_bundle_buf(struct link *l_ptr, return 0; skb_put(bundler, pad + size); - memcpy(bundler->data + to_pos, buf->data, size); + skb_copy_to_linear_data_offset(bundler, to_pos, buf->data, size); msg_set_size(bundler_msg, to_pos + size); msg_set_msgcnt(bundler_msg, msg_msgcnt(bundler_msg) + 1); dbg("Packed msg # %u(%u octets) into pos %u in buf(#%u)\n", @@ -1109,8 +1109,8 @@ int tipc_link_send_buf(struct link *l_ptr, struct sk_buff *buf) if (bundler) { msg_init(&bundler_hdr, MSG_BUNDLER, OPEN_MSG, TIPC_OK, INT_H_SIZE, l_ptr->addr); - memcpy(bundler->data, (unchar *)&bundler_hdr, - INT_H_SIZE); + skb_copy_to_linear_data(bundler, &bundler_hdr, + INT_H_SIZE); skb_trim(bundler, INT_H_SIZE); link_bundle_buf(l_ptr, bundler, buf); buf = bundler; @@ -1383,9 +1383,9 @@ again: if (!buf) return -ENOMEM; buf->next = NULL; - memcpy(buf->data, (unchar *)&fragm_hdr, INT_H_SIZE); + skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE); hsz = msg_hdr_sz(hdr); - memcpy(buf->data + INT_H_SIZE, (unchar *)hdr, hsz); + skb_copy_to_linear_data_offset(buf, INT_H_SIZE, hdr, hsz); msg_dbg(buf_msg(buf), ">BUILD>"); /* Chop up message: */ @@ -1416,8 +1416,8 @@ error: return -EFAULT; } } else - memcpy(buf->data + fragm_crs, sect_crs, sz); - + skb_copy_to_linear_data_offset(buf, fragm_crs, + sect_crs, sz); sect_crs += sz; sect_rest -= sz; fragm_crs += sz; @@ -1442,7 +1442,7 @@ error: buf->next = NULL; prev->next = buf; - memcpy(buf->data, (unchar *)&fragm_hdr, INT_H_SIZE); + skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE); fragm_crs = INT_H_SIZE; fragm_rest = fragm_sz; msg_dbg(buf_msg(buf)," >BUILD>"); @@ -2130,7 +2130,7 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg, buf = l_ptr->proto_msg_queue; if (!buf) return; - memcpy(buf->data, (unchar *)msg, sizeof(l_ptr->proto_msg)); + skb_copy_to_linear_data(buf, msg, sizeof(l_ptr->proto_msg)); return; } msg_set_timestamp(msg, jiffies_to_msecs(jiffies)); @@ -2143,7 +2143,7 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg, if (!buf) return; - memcpy(buf->data, (unchar *)msg, sizeof(l_ptr->proto_msg)); + skb_copy_to_linear_data(buf, msg, sizeof(l_ptr->proto_msg)); msg_set_size(buf_msg(buf), msg_size); if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) { @@ -2319,8 +2319,8 @@ void tipc_link_tunnel(struct link *l_ptr, "unable to send tunnel msg\n"); return; } - memcpy(buf->data, (unchar *)tunnel_hdr, INT_H_SIZE); - memcpy(buf->data + INT_H_SIZE, (unchar *)msg, length); + skb_copy_to_linear_data(buf, tunnel_hdr, INT_H_SIZE); + skb_copy_to_linear_data_offset(buf, INT_H_SIZE, msg, length); dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane); msg_dbg(buf_msg(buf), ">SEND>"); tipc_link_send_buf(tunnel, buf); @@ -2361,7 +2361,7 @@ void tipc_link_changeover(struct link *l_ptr) buf = buf_acquire(INT_H_SIZE); if (buf) { - memcpy(buf->data, (unchar *)&tunnel_hdr, INT_H_SIZE); + skb_copy_to_linear_data(buf, &tunnel_hdr, INT_H_SIZE); msg_set_size(&tunnel_hdr, INT_H_SIZE); dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane); @@ -2426,8 +2426,9 @@ void tipc_link_send_duplicate(struct link *l_ptr, struct link *tunnel) "unable to send duplicate msg\n"); return; } - memcpy(outbuf->data, (unchar *)&tunnel_hdr, INT_H_SIZE); - memcpy(outbuf->data + INT_H_SIZE, iter->data, length); + skb_copy_to_linear_data(outbuf, &tunnel_hdr, INT_H_SIZE); + skb_copy_to_linear_data_offset(outbuf, INT_H_SIZE, iter->data, + length); dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane); msg_dbg(buf_msg(outbuf), ">SEND>"); @@ -2457,7 +2458,7 @@ static struct sk_buff *buf_extract(struct sk_buff *skb, u32 from_pos) eb = buf_acquire(size); if (eb) - memcpy(eb->data, (unchar *)msg, size); + skb_copy_to_linear_data(eb, msg, size); return eb; } @@ -2631,9 +2632,9 @@ int tipc_link_send_long_buf(struct link *l_ptr, struct sk_buff *buf) goto exit; } msg_set_size(&fragm_hdr, fragm_sz + INT_H_SIZE); - memcpy(fragm->data, (unchar *)&fragm_hdr, INT_H_SIZE); - memcpy(fragm->data + INT_H_SIZE, crs, fragm_sz); - + skb_copy_to_linear_data(fragm, &fragm_hdr, INT_H_SIZE); + skb_copy_to_linear_data_offset(fragm, INT_H_SIZE, crs, + fragm_sz); /* Send queued messages first, if any: */ l_ptr->stats.sent_fragments++; @@ -2733,8 +2734,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb, if (pbuf != NULL) { pbuf->next = *pending; *pending = pbuf; - memcpy(pbuf->data, (unchar *)imsg, msg_data_sz(fragm)); - + skb_copy_to_linear_data(pbuf, imsg, + msg_data_sz(fragm)); /* Prepare buffer for subsequent fragments. */ set_long_msg_seqno(pbuf, long_msg_seq_no); @@ -2750,7 +2751,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb, u32 fsz = get_fragm_size(pbuf); u32 crs = ((msg_fragm_no(fragm) - 1) * fsz); u32 exp_frags = get_expected_frags(pbuf) - 1; - memcpy(pbuf->data + crs, msg_data(fragm), dsz); + skb_copy_to_linear_data_offset(pbuf, crs, + msg_data(fragm), dsz); buf_discard(fbuf); /* Is message complete? */ diff --git a/net/tipc/msg.h b/net/tipc/msg.h index 62d549063604..aec7ce7af875 100644 --- a/net/tipc/msg.h +++ b/net/tipc/msg.h @@ -786,15 +786,16 @@ static inline int msg_build(struct tipc_msg *hdr, *buf = buf_acquire(sz); if (!(*buf)) return -ENOMEM; - memcpy((*buf)->data, (unchar *)hdr, hsz); + skb_copy_to_linear_data(*buf, hdr, hsz); for (res = 1, cnt = 0; res && (cnt < num_sect); cnt++) { if (likely(usrmem)) res = !copy_from_user((*buf)->data + pos, msg_sect[cnt].iov_base, msg_sect[cnt].iov_len); else - memcpy((*buf)->data + pos, msg_sect[cnt].iov_base, - msg_sect[cnt].iov_len); + skb_copy_to_linear_data_offset(*buf, pos, + msg_sect[cnt].iov_base, + msg_sect[cnt].iov_len); pos += msg_sect[cnt].iov_len; } if (likely(res)) diff --git a/net/tipc/port.c b/net/tipc/port.c index 5f8217d4b452..bcd5da00737b 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -464,7 +464,7 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err) msg_set_size(rmsg, data_sz + hdr_sz); msg_set_nametype(rmsg, msg_nametype(msg)); msg_set_nameinst(rmsg, msg_nameinst(msg)); - memcpy(rbuf->data + hdr_sz, msg_data(msg), data_sz); + skb_copy_to_linear_data_offset(rbuf, hdr_sz, msg_data(msg), data_sz); /* send self-abort message when rejecting on a connected port */ if (msg_connected(msg)) { @@ -1419,7 +1419,7 @@ int tipc_send_buf(u32 ref, struct sk_buff *buf, unsigned int dsz) return -ENOMEM; skb_push(buf, hsz); - memcpy(buf->data, (unchar *)msg, hsz); + skb_copy_to_linear_data(buf, msg, hsz); destnode = msg_destnode(msg); p_ptr->publ.congested = 1; if (!tipc_port_congested(p_ptr)) { @@ -1555,7 +1555,7 @@ int tipc_forward_buf2name(u32 ref, if (skb_cow(buf, LONG_H_SIZE)) return -ENOMEM; skb_push(buf, LONG_H_SIZE); - memcpy(buf->data, (unchar *)msg, LONG_H_SIZE); + skb_copy_to_linear_data(buf, msg, LONG_H_SIZE); msg_dbg(buf_msg(buf),"PREP:"); if (likely(destport || destnode)) { p_ptr->sent++; @@ -1679,7 +1679,7 @@ int tipc_forward_buf2port(u32 ref, return -ENOMEM; skb_push(buf, DIR_MSG_H_SIZE); - memcpy(buf->data, (unchar *)msg, DIR_MSG_H_SIZE); + skb_copy_to_linear_data(buf, msg, DIR_MSG_H_SIZE); msg_dbg(msg, "buf2port: "); p_ptr->sent++; if (dest->node == tipc_own_addr) diff --git a/net/wanrouter/wanmain.c b/net/wanrouter/wanmain.c index c49e223084f1..7a19e0ede289 100644 --- a/net/wanrouter/wanmain.c +++ b/net/wanrouter/wanmain.c @@ -277,8 +277,8 @@ int wanrouter_encapsulate(struct sk_buff *skb, struct net_device *dev, skb_push(skb, 7); skb->data[0] = 0; skb->data[1] = NLPID_SNAP; - memcpy(&skb->data[2], wanrouter_oui_ether, - sizeof(wanrouter_oui_ether)); + skb_copy_to_linear_data_offset(skb, 2, wanrouter_oui_ether, + sizeof(wanrouter_oui_ether)); *((unsigned short*)&skb->data[5]) = htons(type); break; diff --git a/net/x25/x25_out.c b/net/x25/x25_out.c index bb45e21ffce9..2b96b52114d6 100644 --- a/net/x25/x25_out.c +++ b/net/x25/x25_out.c @@ -89,7 +89,7 @@ int x25_output(struct sock *sk, struct sk_buff *skb) /* Duplicate the Header */ skb_push(skbn, header_len); - memcpy(skbn->data, header, header_len); + skb_copy_to_linear_data(skbn, header, header_len); if (skb->len > 0) { if (x25->neighbour->extended) -- cgit v1.2.3