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[NET]: Wrap hard_header_parse 

Wrap the hard_header_parse function to simplify next step of
header_ops conversion.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2007-09-26 22:13:38 -07:00 committed by David S. Miller
parent 0c4e85813d
commit b95cce3576
11 changed files with 40 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/ieee1394/eth1394.c
View File

@ -162,7 +162,8 @@ static int ether1394_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, void *daddr, void *saddr, unsigned short type, void *daddr, void *saddr,
unsigned len); unsigned len);
static int ether1394_rebuild_header(struct sk_buff *skb); static int ether1394_rebuild_header(struct sk_buff *skb);
static int ether1394_header_parse(struct sk_buff *skb, unsigned char *haddr); static int ether1394_header_parse(const struct sk_buff *skb,
unsigned char *haddr);
static int ether1394_header_cache(struct neighbour *neigh, struct hh_cache *hh); static int ether1394_header_cache(struct neighbour *neigh, struct hh_cache *hh);
static void ether1394_header_cache_update(struct hh_cache *hh, static void ether1394_header_cache_update(struct hh_cache *hh,
struct net_device *dev, struct net_device *dev,
@ -751,11 +752,10 @@ static int ether1394_rebuild_header(struct sk_buff *skb)
return 0; return 0;
} }
static int ether1394_header_parse(struct sk_buff *skb, unsigned char *haddr) static int ether1394_header_parse(const struct sk_buff *skb,
unsigned char *haddr)
{ {
struct net_device *dev = skb->dev; memcpy(haddr, skb->dev->dev_addr, ETH1394_ALEN);
memcpy(haddr, dev->dev_addr, ETH1394_ALEN);
return ETH1394_ALEN; return ETH1394_ALEN;
} }

7
drivers/net/wireless/airo.c
View File

@ -2481,7 +2481,7 @@ void stop_airo_card( struct net_device *dev, int freeres )
EXPORT_SYMBOL(stop_airo_card); EXPORT_SYMBOL(stop_airo_card);
static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr) static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{ {
memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
return ETH_ALEN; return ETH_ALEN;
@ -2698,11 +2698,6 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
static void wifi_setup(struct net_device *dev) static void wifi_setup(struct net_device *dev)
{ {
dev->hard_header = NULL;
dev->rebuild_header = NULL;
dev->hard_header_cache = NULL;
dev->header_cache_update= NULL;
dev->hard_header_parse = wll_header_parse; dev->hard_header_parse = wll_header_parse;
dev->hard_start_xmit = &airo_start_xmit11; dev->hard_start_xmit = &airo_start_xmit11;
dev->get_stats = &airo_get_stats; dev->get_stats = &airo_get_stats;

6
drivers/s390/net/qeth_main.c
View File

@ -6561,10 +6561,10 @@ static struct ethtool_ops qeth_ethtool_ops = {
}; };
static int static int
qeth_hard_header_parse(struct sk_buff *skb, unsigned char *haddr) qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{ {
struct qeth_card *card; const struct qeth_card *card;
struct ethhdr *eth; const struct ethhdr *eth;
card = qeth_get_card_from_dev(skb->dev); card = qeth_get_card_from_dev(skb->dev);
if (card->options.layer2) if (card->options.layer2)

12
include/linux/netdevice.h
View File

@ -657,7 +657,7 @@ struct net_device
void (*vlan_rx_kill_vid)(struct net_device *dev, void (*vlan_rx_kill_vid)(struct net_device *dev,
unsigned short vid); unsigned short vid);
int (*hard_header_parse)(struct sk_buff *skb, int (*hard_header_parse)(const struct sk_buff *skb,
unsigned char *haddr); unsigned char *haddr);
int (*neigh_setup)(struct net_device *dev, struct neigh_parms *); int (*neigh_setup)(struct net_device *dev, struct neigh_parms *);
#ifdef CONFIG_NETPOLL #ifdef CONFIG_NETPOLL
@ -809,6 +809,16 @@ static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
return dev->hard_header(skb, dev, type, daddr, saddr, len); return dev->hard_header(skb, dev, type, daddr, saddr, len);
} }
static inline int dev_parse_header(const struct sk_buff *skb,
unsigned char *haddr)
{
const struct net_device *dev = skb->dev;
if (!dev->hard_header_parse)
return 0;
return dev->hard_header_parse(skb, haddr);
}
typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len); typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len);
extern int register_gifconf(unsigned int family, gifconf_func_t * gifconf); extern int register_gifconf(unsigned int family, gifconf_func_t * gifconf);
static inline int unregister_gifconf(unsigned int family) static inline int unregister_gifconf(unsigned int family)

4
net/ethernet/eth.c
View File

@ -207,9 +207,9 @@ EXPORT_SYMBOL(eth_type_trans);
* @skb: packet to extract header from * @skb: packet to extract header from
* @haddr: destination buffer * @haddr: destination buffer
*/ */
static int eth_header_parse(struct sk_buff *skb, unsigned char *haddr) static int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{ {
struct ethhdr *eth = eth_hdr(skb); const struct ethhdr *eth = eth_hdr(skb);
memcpy(haddr, eth->h_source, ETH_ALEN); memcpy(haddr, eth->h_source, ETH_ALEN);
return ETH_ALEN; return ETH_ALEN;
} }

6
net/ipv4/netfilter/ip_queue.c
View File

@ -250,10 +250,8 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
if (entry->info->indev && entry->skb->dev) { if (entry->info->indev && entry->skb->dev) {
pmsg->hw_type = entry->skb->dev->type; pmsg->hw_type = entry->skb->dev->type;
if (entry->skb->dev->hard_header_parse) pmsg->hw_addrlen = dev_parse_header(entry->skb,
pmsg->hw_addrlen = pmsg->hw_addr);
entry->skb->dev->hard_header_parse(entry->skb,
pmsg->hw_addr);
} }
if (data_len) if (data_len)

5
net/ipv6/netfilter/ip6_queue.c
View File

@ -248,10 +248,7 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
if (entry->info->indev && entry->skb->dev) { if (entry->info->indev && entry->skb->dev) {
pmsg->hw_type = entry->skb->dev->type; pmsg->hw_type = entry->skb->dev->type;
if (entry->skb->dev->hard_header_parse) pmsg->hw_addrlen = dev_parse_header(entry->skb, pmsg->hw_addr);
pmsg->hw_addrlen =
entry->skb->dev->hard_header_parse(entry->skb,
pmsg->hw_addr);
} }
if (data_len) if (data_len)

2
net/mac80211/ieee80211.c
View File

@ -47,7 +47,7 @@ struct ieee80211_tx_status_rtap_hdr {
/* common interface routines */ /* common interface routines */
static int header_parse_80211(struct sk_buff *skb, unsigned char *haddr) static int header_parse_80211(const struct sk_buff *skb, unsigned char *haddr)
{ {
memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
return ETH_ALEN; return ETH_ALEN;

11
net/netfilter/nfnetlink_log.c
View File

@ -481,12 +481,13 @@ __build_packet_message(struct nfulnl_instance *inst,
NFA_PUT(inst->skb, NFULA_MARK, sizeof(tmp_uint), &tmp_uint); NFA_PUT(inst->skb, NFULA_MARK, sizeof(tmp_uint), &tmp_uint);
} }
if (indev && skb->dev && skb->dev->hard_header_parse) { if (indev && skb->dev) {
struct nfulnl_msg_packet_hw phw; struct nfulnl_msg_packet_hw phw;
int len = skb->dev->hard_header_parse((struct sk_buff *)skb, int len = dev_parse_header(skb, phw.hw_addr);
phw.hw_addr); if (len > 0) {
phw.hw_addrlen = htons(len); phw.hw_addrlen = htons(len);
NFA_PUT(inst->skb, NFULA_HWADDR, sizeof(phw), &phw); NFA_PUT(inst->skb, NFULA_HWADDR, sizeof(phw), &phw);
}
} }
if (skb->tstamp.tv64) { if (skb->tstamp.tv64) {

13
net/netfilter/nfnetlink_queue.c
View File

@ -485,14 +485,13 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
NFA_PUT(skb, NFQA_MARK, sizeof(u_int32_t), &tmp_uint); NFA_PUT(skb, NFQA_MARK, sizeof(u_int32_t), &tmp_uint);
} }
if (indev && entskb->dev if (indev && entskb->dev) {
&& entskb->dev->hard_header_parse) {
struct nfqnl_msg_packet_hw phw; struct nfqnl_msg_packet_hw phw;
int len = dev_parse_header(entskb, phw.hw_addr);
int len = entskb->dev->hard_header_parse(entskb, if (len) {
phw.hw_addr); phw.hw_addrlen = htons(len);
phw.hw_addrlen = htons(len); NFA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw);
NFA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw); }
} }
if (entskb->tstamp.tv64) { if (entskb->tstamp.tv64) {

8
net/packet/af_packet.c
View File

@ -519,10 +519,8 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
sll->sll_ifindex = orig_dev->ifindex; sll->sll_ifindex = orig_dev->ifindex;
else else
sll->sll_ifindex = dev->ifindex; sll->sll_ifindex = dev->ifindex;
sll->sll_halen = 0;
if (dev->hard_header_parse) sll->sll_halen = dev_parse_header(skb, sll->sll_addr);
sll->sll_halen = dev->hard_header_parse(skb, sll->sll_addr);
PACKET_SKB_CB(skb)->origlen = skb->len; PACKET_SKB_CB(skb)->origlen = skb->len;
@ -658,9 +656,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
h->tp_usec = tv.tv_usec; h->tp_usec = tv.tv_usec;
sll = (struct sockaddr_ll*)((u8*)h + TPACKET_ALIGN(sizeof(*h))); sll = (struct sockaddr_ll*)((u8*)h + TPACKET_ALIGN(sizeof(*h)));
sll->sll_halen = 0; sll->sll_halen = dev_parse_header(skb, sll->sll_addr);
if (dev->hard_header_parse)
sll->sll_halen = dev->hard_header_parse(skb, sll->sll_addr);
sll->sll_family = AF_PACKET; sll->sll_family = AF_PACKET;
sll->sll_hatype = dev->type; sll->sll_hatype = dev->type;
sll->sll_protocol = skb->protocol; sll->sll_protocol = skb->protocol;