From b95cce3576813ac3f86bafa6b5daaaaf7574b0fe Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 26 Sep 2007 22:13:38 -0700 Subject: [NET]: Wrap hard_header_parse Wrap the hard_header_parse function to simplify next step of header_ops conversion. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- net/ethernet/eth.c | 4 ++-- net/ipv4/netfilter/ip_queue.c | 6 ++---- net/ipv6/netfilter/ip6_queue.c | 5 +---- net/mac80211/ieee80211.c | 2 +- net/netfilter/nfnetlink_log.c | 11 ++++++----- net/netfilter/nfnetlink_queue.c | 13 ++++++------- net/packet/af_packet.c | 8 ++------ 7 files changed, 20 insertions(+), 29 deletions(-) (limited to 'net') diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 2aaf6faf74a..bdeb2f0ace3 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -207,9 +207,9 @@ EXPORT_SYMBOL(eth_type_trans); * @skb: packet to extract header from * @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); return ETH_ALEN; } diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index 82fda92e6b9..aaa3f5c5676 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -250,10 +250,8 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp) if (entry->info->indev && entry->skb->dev) { pmsg->hw_type = entry->skb->dev->type; - if (entry->skb->dev->hard_header_parse) - pmsg->hw_addrlen = - entry->skb->dev->hard_header_parse(entry->skb, - pmsg->hw_addr); + pmsg->hw_addrlen = dev_parse_header(entry->skb, + pmsg->hw_addr); } if (data_len) diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index 2f5a5245383..c75f467a8f5 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -248,10 +248,7 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp) if (entry->info->indev && entry->skb->dev) { pmsg->hw_type = entry->skb->dev->type; - if (entry->skb->dev->hard_header_parse) - pmsg->hw_addrlen = - entry->skb->dev->hard_header_parse(entry->skb, - pmsg->hw_addr); + pmsg->hw_addrlen = dev_parse_header(entry->skb, pmsg->hw_addr); } if (data_len) diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 89be6629cfc..0cdcf0d0c6c 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -47,7 +47,7 @@ struct ieee80211_tx_status_rtap_hdr { /* 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 */ return ETH_ALEN; diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 8e4001b8f76..332e0f7f6f9 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -481,12 +481,13 @@ __build_packet_message(struct nfulnl_instance *inst, 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; - int len = skb->dev->hard_header_parse((struct sk_buff *)skb, - phw.hw_addr); - phw.hw_addrlen = htons(len); - NFA_PUT(inst->skb, NFULA_HWADDR, sizeof(phw), &phw); + int len = dev_parse_header(skb, phw.hw_addr); + if (len > 0) { + phw.hw_addrlen = htons(len); + NFA_PUT(inst->skb, NFULA_HWADDR, sizeof(phw), &phw); + } } if (skb->tstamp.tv64) { diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index c97369f48db..a813185c766 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -485,14 +485,13 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue, NFA_PUT(skb, NFQA_MARK, sizeof(u_int32_t), &tmp_uint); } - if (indev && entskb->dev - && entskb->dev->hard_header_parse) { + if (indev && entskb->dev) { struct nfqnl_msg_packet_hw phw; - - int len = entskb->dev->hard_header_parse(entskb, - phw.hw_addr); - phw.hw_addrlen = htons(len); - NFA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw); + int len = dev_parse_header(entskb, phw.hw_addr); + if (len) { + phw.hw_addrlen = htons(len); + NFA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw); + } } if (entskb->tstamp.tv64) { diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index c5244b30964..c9ee343c2a6 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -519,10 +519,8 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet sll->sll_ifindex = orig_dev->ifindex; else sll->sll_ifindex = dev->ifindex; - sll->sll_halen = 0; - if (dev->hard_header_parse) - sll->sll_halen = dev->hard_header_parse(skb, sll->sll_addr); + sll->sll_halen = dev_parse_header(skb, sll->sll_addr); 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; sll = (struct sockaddr_ll*)((u8*)h + TPACKET_ALIGN(sizeof(*h))); - sll->sll_halen = 0; - if (dev->hard_header_parse) - sll->sll_halen = dev->hard_header_parse(skb, sll->sll_addr); + sll->sll_halen = dev_parse_header(skb, sll->sll_addr); sll->sll_family = AF_PACKET; sll->sll_hatype = dev->type; sll->sll_protocol = skb->protocol; -- cgit v1.2.3