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[SK_BUFF]: Introduce skb_mac_header()

Browse Source 
For the places where we need a pointer to the mac header, it is still legal to
touch skb->mac.raw directly if just adding to, subtracting from or setting it
to another layer header.

This one also converts some more cases to skb_reset_mac_header() that my
regex missed as it had no spaces before nor after '=', ugh.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-19 15:33:04 -07:00 committed by David S. Miller
parent 31713c333d
commit 98e399f82a
49 changed files with 108 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/um/drivers/daemon_kern.c
View File

@ -46,7 +46,7 @@ static int daemon_read(int fd, struct sk_buff **skb,
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM);
return(net_recvfrom(fd, (*skb)->mac.raw,
return(net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER));
}

2
arch/um/drivers/mcast_kern.c
View File

@ -50,7 +50,7 @@ static int mcast_read(int fd, struct sk_buff **skb, struct uml_net_private *lp)
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM);
return(net_recvfrom(fd, (*skb)->mac.raw,
return(net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER));
}

2
arch/um/drivers/pcap_kern.c
View File

@ -36,7 +36,7 @@ static int pcap_read(int fd, struct sk_buff **skb,
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM);
return(pcap_user_read(fd, (*skb)->mac.raw,
return(pcap_user_read(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER,
(struct pcap_data *) &lp->user));
}

2
arch/um/drivers/slip_kern.c
View File

@ -49,7 +49,7 @@ static unsigned short slip_protocol(struct sk_buff *skbuff)
static int slip_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
return(slip_user_read(fd, (*skb)->mac.raw, (*skb)->dev->mtu,
return(slip_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
(struct slip_data *) &lp->user));
}

2
arch/um/drivers/slirp_kern.c
View File

@ -53,7 +53,7 @@ static unsigned short slirp_protocol(struct sk_buff *skbuff)
static int slirp_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
return(slirp_user_read(fd, (*skb)->mac.raw, (*skb)->dev->mtu,
return(slirp_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
(struct slirp_data *) &lp->user));
}

2
arch/um/os-Linux/drivers/ethertap_kern.c
View File

@ -43,7 +43,7 @@ static int etap_read(int fd, struct sk_buff **skb, struct uml_net_private *lp)
*skb = ether_adjust_skb(*skb, ETH_HEADER_ETHERTAP);
if(*skb == NULL) return(-ENOMEM);
len = net_recvfrom(fd, (*skb)->mac.raw,
len = net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + 2 * ETH_HEADER_ETHERTAP);
if(len <= 0) return(len);
skb_pull(*skb, 2);

2
arch/um/os-Linux/drivers/tuntap_kern.c
View File

@ -43,7 +43,7 @@ static int tuntap_read(int fd, struct sk_buff **skb,
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM);
return(net_read(fd, (*skb)->mac.raw,
return(net_read(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER));
}

2
drivers/block/aoe/aoe.h
View File

@ -53,7 +53,7 @@ struct aoe_hdr {
static inline struct aoe_hdr *aoe_hdr(const struct sk_buff *skb)
{
return (struct aoe_hdr *)skb->mac.raw;
return (struct aoe_hdr *)skb_mac_header(skb);
}
#endif

2
drivers/ieee1394/eth1394.h
View File

@ -90,7 +90,7 @@ struct eth1394hdr {
static inline struct eth1394hdr *eth1394_hdr(const struct sk_buff *skb)
{
return (struct eth1394hdr *)skb->mac.raw;
return (struct eth1394hdr *)skb_mac_header(skb);
}
#endif

2
drivers/media/dvb/dvb-core/dvb_net.c
View File

@ -174,7 +174,7 @@ static unsigned short dvb_net_eth_type_trans(struct sk_buff *skb,
struct ethhdr *eth;
unsigned char *rawp;
skb->mac.raw=skb->data;
skb_reset_mac_header(skb);
skb_pull(skb,dev->hard_header_len);
eth = eth_hdr(skb);

26
drivers/message/fusion/mptlan.c
View File

@ -714,6 +714,7 @@ mpt_lan_sdu_send (struct sk_buff *skb, struct net_device *dev)
LANSendRequest_t *pSendReq;
SGETransaction32_t *pTrans;
SGESimple64_t *pSimple;
const unsigned char *mac;
dma_addr_t dma;
unsigned long flags;
int ctx;
@ -784,6 +785,7 @@ mpt_lan_sdu_send (struct sk_buff *skb, struct net_device *dev)
// IOC_AND_NETDEV_NAMES_s_s(dev),
// ctx, skb, skb->data));
mac = skb_mac_header(skb);
#ifdef QLOGIC_NAA_WORKAROUND
{
struct NAA_Hosed *nh;
@ -793,12 +795,12 @@ mpt_lan_sdu_send (struct sk_buff *skb, struct net_device *dev)
drops. */
read_lock_irq(&bad_naa_lock);
for (nh = mpt_bad_naa; nh != NULL; nh=nh->next) {
if ((nh->ieee[0] == skb->mac.raw[0]) &&
(nh->ieee[1] == skb->mac.raw[1]) &&
(nh->ieee[2] == skb->mac.raw[2]) &&
(nh->ieee[3] == skb->mac.raw[3]) &&
(nh->ieee[4] == skb->mac.raw[4]) &&
(nh->ieee[5] == skb->mac.raw[5])) {
if ((nh->ieee[0] == mac[0]) &&
(nh->ieee[1] == mac[1]) &&
(nh->ieee[2] == mac[2]) &&
(nh->ieee[3] == mac[3]) &&
(nh->ieee[4] == mac[4]) &&
(nh->ieee[5] == mac[5])) {
cur_naa = nh->NAA;
dlprintk ((KERN_INFO "mptlan/sdu_send: using NAA value "
"= %04x.\n", cur_naa));
@ -810,12 +812,12 @@ mpt_lan_sdu_send (struct sk_buff *skb, struct net_device *dev)
#endif
pTrans->TransactionDetails[0] = cpu_to_le32((cur_naa << 16) |
(skb->mac.raw[0] << 8) |
(skb->mac.raw[1] << 0));
pTrans->TransactionDetails[1] = cpu_to_le32((skb->mac.raw[2] << 24) |
(skb->mac.raw[3] << 16) |
(skb->mac.raw[4] << 8) |
(skb->mac.raw[5] << 0));
(mac[0] << 8) |
(mac[1] << 0));
pTrans->TransactionDetails[1] = cpu_to_le32((mac[2] << 24) |
(mac[3] << 16) |
(mac[4] << 8) |
(mac[5] << 0));
pSimple = (SGESimple64_t *) &pTrans->TransactionDetails[2];

4
drivers/net/arcnet/capmode.c
View File

@ -123,7 +123,7 @@ static void rx(struct net_device *dev, int bufnum,
skb_put(skb, length + ARC_HDR_SIZE + sizeof(int));
skb->dev = dev;
skb_reset_mac_header(skb);
pkt = (struct archdr *)skb->mac.raw;
pkt = (struct archdr *)skb_mac_header(skb);
skb_pull(skb, ARC_HDR_SIZE);
/* up to sizeof(pkt->soft) has already been copied from the card */
@ -269,7 +269,7 @@ static int ack_tx(struct net_device *dev, int acked)
ackskb->dev = dev;
skb_reset_mac_header(ackskb);
ackpkt = (struct archdr *)ackskb->mac.raw;
ackpkt = (struct archdr *)skb_mac_header(ackskb);
/* skb_pull(ackskb, ARC_HDR_SIZE); */

2
drivers/net/plip.c
View File

@ -546,7 +546,7 @@ static __be16 plip_type_trans(struct sk_buff *skb, struct net_device *dev)
struct ethhdr *eth;
unsigned char *rawp;
skb->mac.raw=skb->data;
skb_reset_mac_header(skb);
skb_pull(skb,dev->hard_header_len);
eth = eth_hdr(skb);

2
drivers/net/slip.c
View File

@ -363,7 +363,7 @@ sl_bump(struct slip *sl)
}
skb->dev = sl->dev;
memcpy(skb_put(skb,count), sl->rbuff, count);
skb->mac.raw=skb->data;
skb_reset_mac_header(skb);
skb->protocol=htons(ETH_P_IP);
netif_rx(skb);
sl->dev->last_rx = jiffies;

2
drivers/net/wan/hostess_sv11.c
View File

@ -59,7 +59,7 @@ static void hostess_input(struct z8530_channel *c, struct sk_buff *skb)
/* Drop the CRC - it's not a good idea to try and negotiate it ;) */
skb_trim(skb, skb->len-2);
skb->protocol=__constant_htons(ETH_P_WAN_PPP);
skb->mac.raw=skb->data;
skb_reset_mac_header(skb);
skb->dev=c->netdevice;
/*
* Send it to the PPP layer. We don't have time to process

2
drivers/net/wan/sealevel.c
View File

@ -61,7 +61,7 @@ static void sealevel_input(struct z8530_channel *c, struct sk_buff *skb)
/* Drop the CRC - it's not a good idea to try and negotiate it ;) */
skb_trim(skb, skb->len-2);
skb->protocol=htons(ETH_P_WAN_PPP);
skb->mac.raw=skb->data;
skb_reset_mac_header(skb);
skb->dev=c->netdevice;
/*
* Send it to the PPP layer. We don't have time to process

2
drivers/net/wan/syncppp.c
View File

@ -227,7 +227,7 @@ static void sppp_input (struct net_device *dev, struct sk_buff *skb)
unsigned long flags;
skb->dev=dev;
skb->mac.raw=skb->data;
skb_reset_mac_header(skb);
if (dev->flags & IFF_RUNNING)
{

2
drivers/net/wireless/airo.c
View File

@ -2444,7 +2444,7 @@ static int add_airo_dev( struct net_device *dev );
static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
{
memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
return ETH_ALEN;
}

14
drivers/net/wireless/hostap/hostap_main.c
View File

@ -590,20 +590,20 @@ void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx)
int hostap_80211_header_parse(struct sk_buff *skb, unsigned char *haddr)
{
memcpy(haddr, skb->mac.raw + 10, ETH_ALEN); /* addr2 */
memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
return ETH_ALEN;
}
int hostap_80211_prism_header_parse(struct sk_buff *skb, unsigned char *haddr)
{
if (*(u32 *)skb->mac.raw == LWNG_CAP_DID_BASE) {
memcpy(haddr, skb->mac.raw +
sizeof(struct linux_wlan_ng_prism_hdr) + 10,
const unsigned char *mac = skb_mac_header(skb);
if (*(u32 *)mac == LWNG_CAP_DID_BASE) {
memcpy(haddr, mac + sizeof(struct linux_wlan_ng_prism_hdr) + 10,
ETH_ALEN); /* addr2 */
} else { /* (*(u32 *)skb->mac.raw == htonl(LWNG_CAPHDR_VERSION)) */
memcpy(haddr, skb->mac.raw +
sizeof(struct linux_wlan_ng_cap_hdr) + 10,
} else { /* (*(u32 *)mac == htonl(LWNG_CAPHDR_VERSION)) */
memcpy(haddr, mac + sizeof(struct linux_wlan_ng_cap_hdr) + 10,
ETH_ALEN); /* addr2 */
}
return ETH_ALEN;

2
drivers/net/wireless/orinoco.c
View File

@ -689,7 +689,7 @@ static void orinoco_stat_gather(struct net_device *dev,
/* Note : gcc will optimise the whole section away if
* WIRELESS_SPY is not defined... - Jean II */
if (SPY_NUMBER(priv)) {
orinoco_spy_gather(dev, skb->mac.raw + ETH_ALEN,
orinoco_spy_gather(dev, skb_mac_header(skb) + ETH_ALEN,
desc->signal, desc->silence);
}
}

5
drivers/net/wireless/wavelan.c
View File

@ -2517,7 +2517,8 @@ wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
skb->protocol = eth_type_trans(skb, dev);
#ifdef DEBUG_RX_INFO
wv_packet_info(skb->mac.raw, sksize, dev->name, "wv_packet_read");
wv_packet_info(skb_mac_header(skb), sksize, dev->name,
"wv_packet_read");
#endif /* DEBUG_RX_INFO */
/* Statistics-gathering and associated stuff.
@ -2553,7 +2554,7 @@ wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
/* Spying stuff */
#ifdef IW_WIRELESS_SPY
wl_spy_gather(dev, skb->mac.raw + WAVELAN_ADDR_SIZE,
wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE,
stats);
#endif /* IW_WIRELESS_SPY */
#ifdef HISTOGRAM

4
drivers/net/wireless/wavelan_cs.c
View File

@ -2889,7 +2889,7 @@ wv_packet_read(struct net_device * dev,
skb->protocol = eth_type_trans(skb, dev);
#ifdef DEBUG_RX_INFO
wv_packet_info(skb->mac.raw, sksize, dev->name, "wv_packet_read");
wv_packet_info(skb_mac_header(skb), sksize, dev->name, "wv_packet_read");
#endif /* DEBUG_RX_INFO */
/* Statistics gathering & stuff associated.
@ -2923,7 +2923,7 @@ wv_packet_read(struct net_device * dev,
#endif /* WAVELAN_ROAMING */
#ifdef WIRELESS_SPY
wl_spy_gather(dev, skb->mac.raw + WAVELAN_ADDR_SIZE, stats);
wl_spy_gather(dev, skb_mac_header(skb) + WAVELAN_ADDR_SIZE, stats);
#endif /* WIRELESS_SPY */
#ifdef HISTOGRAM
wl_his_gather(dev, stats);

2
drivers/s390/net/claw.c
View File

@ -3525,8 +3525,8 @@ unpack_next:
memcpy(skb_put(skb,len_of_data),
privptr->p_mtc_envelope,
len_of_data);
skb->mac.raw=skb->data;
skb->dev=dev;
skb_reset_mac_header(skb);
skb->protocol=htons(ETH_P_IP);
skb->ip_summed=CHECKSUM_UNNECESSARY;
privptr->stats.rx_packets++;

2
include/linux/if_ether.h
View File

@ -112,7 +112,7 @@ struct ethhdr {
static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
{
return (struct ethhdr *)skb->mac.raw;
return (struct ethhdr *)skb_mac_header(skb);
}
#ifdef CONFIG_SYSCTL

2
include/linux/if_tr.h
View File

@ -47,7 +47,7 @@ struct trh_hdr {
static inline struct trh_hdr *tr_hdr(const struct sk_buff *skb)
{
return (struct trh_hdr *)skb->mac.raw;
return (struct trh_hdr *)skb_mac_header(skb);
}
#ifdef CONFIG_SYSCTL
extern struct ctl_table tr_table[];

2
include/linux/if_vlan.h
View File

@ -51,7 +51,7 @@ struct vlan_ethhdr {
static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
{
return (struct vlan_ethhdr *)skb->mac.raw;
return (struct vlan_ethhdr *)skb_mac_header(skb);
}
struct vlan_hdr {

2
include/linux/netfilter_bridge/ebt_802_3.h
View File

@ -54,7 +54,7 @@ struct ebt_802_3_hdr {
static inline struct ebt_802_3_hdr *ebt_802_3_hdr(const struct sk_buff *skb)
{
return (struct ebt_802_3_hdr *)skb->mac.raw;
return (struct ebt_802_3_hdr *)skb_mac_header(skb);
}
#endif

10
include/linux/skbuff.h
View File

@ -960,6 +960,16 @@ static inline void skb_reserve(struct sk_buff *skb, int len)
skb->tail += len;
}
static inline unsigned char *skb_mac_header(const struct sk_buff *skb)
{
return skb->mac.raw;
}
static inline int skb_mac_header_was_set(const struct sk_buff *skb)
{
return skb->mac.raw != NULL;
}
static inline void skb_reset_mac_header(struct sk_buff *skb)
{
skb->mac.raw = skb->data;

2
net/802/hippi.c
View File

@ -132,7 +132,7 @@ __be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev)
*/
skb->dev = dev;
skb_reset_mac_header(skb);
hip = (struct hippi_hdr *)skb->mac.raw;
hip = (struct hippi_hdr *)skb_mac_header(skb);
skb_pull(skb, HIPPI_HLEN);
/*

6
net/appletalk/ddp.c
View File

@ -1484,7 +1484,7 @@ static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
/* Expand any short form frames */
if (skb->mac.raw[2] == 1) {
if (skb_mac_header(skb)[2] == 1) {
struct ddpehdr *ddp;
/* Find our address */
struct atalk_addr *ap = atalk_find_dev_addr(dev);
@ -1510,8 +1510,8 @@ static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
* we write the network numbers !
*/
ddp->deh_dnode = skb->mac.raw[0]; /* From physical header */
ddp->deh_snode = skb->mac.raw[1]; /* From physical header */
ddp->deh_dnode = skb_mac_header(skb)[0]; /* From physical header */
ddp->deh_snode = skb_mac_header(skb)[1]; /* From physical header */
ddp->deh_dnet = ap->s_net; /* Network number */
ddp->deh_snet = ap->s_net;

5
net/ax25/af_ax25.c
View File

@ -1645,9 +1645,10 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
struct sockaddr_ax25 *sax = (struct sockaddr_ax25 *)msg->msg_name;
ax25_digi digi;
ax25_address src;
const unsigned char *mac = skb_mac_header(skb);
ax25_addr_parse(skb->mac.raw+1, skb->data-skb->mac.raw-1, &src, NULL, &digi, NULL, NULL);
ax25_addr_parse(mac + 1, skb->data - mac - 1, &src, NULL,
&digi, NULL, NULL);
sax->sax25_family = AF_AX25;
/* We set this correctly, even though we may not let the
application know the digi calls further down (because it

11
net/bluetooth/bnep/core.c
View File

@ -364,17 +364,20 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
case BNEP_COMPRESSED_SRC_ONLY:
memcpy(__skb_put(nskb, ETH_ALEN), s->eh.h_dest, ETH_ALEN);
memcpy(__skb_put(nskb, ETH_ALEN), skb->mac.raw, ETH_ALEN);
memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb), ETH_ALEN);
put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
break;
case BNEP_COMPRESSED_DST_ONLY:
memcpy(__skb_put(nskb, ETH_ALEN), skb->mac.raw, ETH_ALEN);
memcpy(__skb_put(nskb, ETH_ALEN + 2), s->eh.h_source, ETH_ALEN + 2);
memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb),
ETH_ALEN);
memcpy(__skb_put(nskb, ETH_ALEN + 2), s->eh.h_source,
ETH_ALEN + 2);
break;
case BNEP_GENERAL:
memcpy(__skb_put(nskb, ETH_ALEN * 2), skb->mac.raw, ETH_ALEN * 2);
memcpy(__skb_put(nskb, ETH_ALEN * 2), skb_mac_header(skb),
ETH_ALEN * 2);
put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
break;
}

5
net/bridge/br_netfilter.c
View File

@ -753,7 +753,8 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb,
#ifdef CONFIG_NETFILTER_DEBUG
/* Be very paranoid. This probably won't happen anymore, but let's
* keep the check just to be sure... */
if (skb->mac.raw < skb->head || skb->mac.raw + ETH_HLEN > skb->data) {
if (skb_mac_header(skb) < skb->head ||
skb_mac_header(skb) + ETH_HLEN > skb->data) {
printk(KERN_CRIT "br_netfilter: Argh!! br_nf_post_routing: "
"bad mac.raw pointer.\n");
goto print_error;
@ -808,7 +809,7 @@ print_error:
if (realoutdev)
printk("[%s]", realoutdev->name);
}
printk(" head:%p, raw:%p, data:%p\n", skb->head, skb->mac.raw,
printk(" head:%p, raw:%p, data:%p\n", skb->head, skb_mac_header(skb),
skb->data);
dump_stack();
return NF_ACCEPT;

2
net/core/dev.c
View File

@ -1232,7 +1232,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
}
rcu_read_unlock();
__skb_push(skb, skb->data - skb->mac.raw);
__skb_push(skb, skb->data - skb_mac_header(skb));
return segs;
}

2
net/core/filter.c
View File

@ -44,7 +44,7 @@ static void *__load_pointer(struct sk_buff *skb, int k)
if (k >= SKF_NET_OFF)
ptr = skb->nh.raw + k - SKF_NET_OFF;
else if (k >= SKF_LL_OFF)
ptr = skb->mac.raw + k - SKF_LL_OFF;
ptr = skb_mac_header(skb) + k - SKF_LL_OFF;
if (ptr >= skb->head && ptr < skb->tail)
return ptr;

2
net/core/skbuff.c
View File

@ -1878,7 +1878,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
struct sk_buff *segs = NULL;
struct sk_buff *tail = NULL;
unsigned int mss = skb_shinfo(skb)->gso_size;
unsigned int doffset = skb->data - skb->mac.raw;
unsigned int doffset = skb->data - skb_mac_header(skb);
unsigned int offset = doffset;
unsigned int headroom;
unsigned int len;

4
net/ipv4/netfilter/ipt_LOG.c
View File

@ -399,9 +399,9 @@ 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 != (void*)skb->nh.iph) {
&& skb->mac.raw != skb->nh.raw) {
int i;
unsigned char *p = skb->mac.raw;
const unsigned char *p = skb_mac_header(skb);
for (i = 0; i < skb->dev->hard_header_len; i++,p++)
printk("%02x%c", *p,
i==skb->dev->hard_header_len - 1

4
net/ipv4/netfilter/ipt_ULOG.c
View File

@ -251,9 +251,9 @@ static void ipt_ulog_packet(unsigned int hooknum,
*(pm->prefix) = '\0';
if (in && in->hard_header_len > 0
&& skb->mac.raw != (void *) skb->nh.iph
&& skb->mac.raw != skb->nh.raw
&& in->hard_header_len <= ULOG_MAC_LEN) {
memcpy(pm->mac, skb->mac.raw, in->hard_header_len);
memcpy(pm->mac, skb_mac_header(skb), in->hard_header_len);
pm->mac_len = in->hard_header_len;
} else
pm->mac_len = 0;

4
net/ipv4/route.c
View File

@ -1698,9 +1698,9 @@ static void ip_handle_martian_source(struct net_device *dev,
printk(KERN_WARNING "martian source %u.%u.%u.%u from "
"%u.%u.%u.%u, on dev %s\n",
NIPQUAD(daddr), NIPQUAD(saddr), dev->name);
if (dev->hard_header_len && skb->mac.raw) {
if (dev->hard_header_len && skb_mac_header_was_set(skb)) {
int i;
unsigned char *p = skb->mac.raw;
const unsigned char *p = skb_mac_header(skb);
printk(KERN_WARNING "ll header: ");
for (i = 0; i < dev->hard_header_len; i++, p++) {
printk("%02x", *p);

2
net/ipv4/tcp_input.c
View File

@ -3633,7 +3633,7 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
if (!nskb)
return;
skb_set_mac_header(nskb, skb->mac.raw - skb->head);
skb_set_mac_header(nskb, skb_mac_header(skb) - skb->head);
nskb->nh.raw = nskb->data + (skb->nh.raw - skb->head);
nskb->h.raw = nskb->data + (skb->h.raw - skb->head);

4
net/ipv4/xfrm4_mode_tunnel.c
View File

@ -126,9 +126,9 @@ static int xfrm4_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
skb->protocol = htons(ETH_P_IPV6);
}
#endif
old_mac = skb->mac.raw;
old_mac = skb_mac_header(skb);
skb_set_mac_header(skb, -skb->mac_len);
memmove(skb->mac.raw, old_mac, skb->mac_len);
memmove(skb_mac_header(skb), old_mac, skb->mac_len);
skb->nh.raw = skb->data;
err = 0;

3
net/ipv6/ndisc.c
View File

@ -828,7 +828,8 @@ static void ndisc_recv_ns(struct sk_buff *skb)
if (ifp->flags & (IFA_F_TENTATIVE|IFA_F_OPTIMISTIC)) {
if (dad) {
if (dev->type == ARPHRD_IEEE802_TR) {
unsigned char *sadr = skb->mac.raw;
const unsigned char *sadr;
sadr = skb_mac_header(skb);
if (((sadr[8] ^ dev->dev_addr[0]) & 0x7f) == 0 &&
sadr[9] == dev->dev_addr[1] &&
sadr[10] == dev->dev_addr[2] &&

5
net/ipv6/netfilter/ip6t_LOG.c
View File

@ -397,7 +397,7 @@ ip6t_log_packet(unsigned int pf,
printk("MAC=");
if (skb->dev && (len = skb->dev->hard_header_len) &&
skb->mac.raw != skb->nh.raw) {
unsigned char *p = skb->mac.raw;
const unsigned char *p = skb_mac_header(skb);
int i;
if (skb->dev->type == ARPHRD_SIT &&
@ -412,7 +412,8 @@ ip6t_log_packet(unsigned int pf,
printk(" ");
if (skb->dev->type == ARPHRD_SIT) {
struct iphdr *iph = (struct iphdr *)skb->mac.raw;
const struct iphdr *iph =
(struct iphdr *)skb_mac_header(skb);
printk("TUNNEL=%u.%u.%u.%u->%u.%u.%u.%u ",
NIPQUAD(iph->saddr),
NIPQUAD(iph->daddr));

4
net/ipv6/netfilter/ip6t_eui64.c
View File

@ -32,8 +32,8 @@ match(const struct sk_buff *skb,
unsigned char eui64[8];
int i = 0;
if (!(skb->mac.raw >= skb->head &&
(skb->mac.raw + ETH_HLEN) <= skb->data) &&
if (!(skb_mac_header(skb) >= skb->head &&
(skb_mac_header(skb) + ETH_HLEN) <= skb->data) &&
offset != 0) {
*hotdrop = 1;
return 0;

4
net/ipv6/xfrm6_mode_beet.c
View File

@ -70,9 +70,9 @@ static int xfrm6_beet_input(struct xfrm_state *x, struct sk_buff *skb)
memmove(skb->data, skb->nh.raw, size);
skb->nh.raw = skb->data;
old_mac = skb->mac.raw;
old_mac = skb_mac_header(skb);
skb_set_mac_header(skb, -skb->mac_len);
memmove(skb->mac.raw, old_mac, skb->mac_len);
memmove(skb_mac_header(skb), old_mac, skb->mac_len);
ip6h = skb->nh.ipv6h;
ip6h->payload_len = htons(skb->len - size);

4
net/ipv6/xfrm6_mode_tunnel.c
View File

@ -108,9 +108,9 @@ static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
ip6ip_ecn_decapsulate(skb);
skb->protocol = htons(ETH_P_IP);
}
old_mac = skb->mac.raw;
old_mac = skb_mac_header(skb);
skb_set_mac_header(skb, -skb->mac_len);
memmove(skb->mac.raw, old_mac, skb->mac_len);
memmove(skb_mac_header(skb), old_mac, skb->mac_len);
skb->nh.raw = skb->data;
err = 0;

4
net/netfilter/xt_mac.c
View File

@ -37,8 +37,8 @@ match(const struct sk_buff *skb,
const struct xt_mac_info *info = matchinfo;
/* Is mac pointer valid? */
return (skb->mac.raw >= skb->head
&& (skb->mac.raw + ETH_HLEN) <= skb->data
return (skb_mac_header(skb) >= skb->head &&
(skb_mac_header(skb) + ETH_HLEN) <= skb->data
/* If so, compare... */
&& ((!compare_ether_addr(eth_hdr(skb)->h_source, info->srcaddr))
^ info->invert));

8
net/packet/af_packet.c
View File

@ -284,7 +284,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct
* Incoming packets have ll header pulled,
* push it back.
*
* For outgoing ones skb->data == skb->mac.raw
* For outgoing ones skb->data == skb_mac_header(skb)
* so that this procedure is noop.
*/
@ -303,7 +303,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct
spkt = &PACKET_SKB_CB(skb)->sa.pkt;
skb_push(skb, skb->data-skb->mac.raw);
skb_push(skb, skb->data - skb_mac_header(skb));
/*
* The SOCK_PACKET socket receives _all_ frames.
@ -488,7 +488,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
never delivered to user.
*/
if (sk->sk_type != SOCK_DGRAM)
skb_push(skb, skb->data - skb->mac.raw);
skb_push(skb, skb->data - skb_mac_header(skb));
else if (skb->pkt_type == PACKET_OUTGOING) {
/* Special case: outgoing packets have ll header at head */
skb_pull(skb, skb->nh.raw - skb->data);
@ -592,7 +592,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
if (dev->hard_header) {
if (sk->sk_type != SOCK_DGRAM)
skb_push(skb, skb->data - skb->mac.raw);
skb_push(skb, skb->data - skb_mac_header(skb));
else if (skb->pkt_type == PACKET_OUTGOING) {
/* Special case: outgoing packets have ll header at head */
skb_pull(skb, skb->nh.raw - skb->data);

4
net/tipc/eth_media.c
View File

@ -99,8 +99,8 @@ static int recv_msg(struct sk_buff *buf, struct net_device *dev,
if (likely(eb_ptr->bearer)) {
if (likely(!dev->promiscuity) ||
!memcmp(buf->mac.raw,dev->dev_addr,ETH_ALEN) ||
!memcmp(buf->mac.raw,dev->broadcast,ETH_ALEN)) {
!memcmp(skb_mac_header(buf), dev->dev_addr, ETH_ALEN) ||
!memcmp(skb_mac_header(buf), dev->broadcast, ETH_ALEN)) {
size = msg_size((struct tipc_msg *)buf->data);
skb_trim(buf, size);
if (likely(buf->len == size)) {