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netfilter: nfnetlink_log: send complete hardware header

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This patch adds some fields to NFLOG to be able to send the complete
hardware header with all necessary informations.
It sends to userspace:
 * the type of hardware link
 * the lenght of hardware header
 * the hardware header

Signed-off-by: Eric Leblond <eric@inl.fr>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Leblond 2008-07-21 10:02:35 -07:00 committed by David S. Miller
parent 280763c053
commit 72961ecf84
2 changed files with 11 additions and 0 deletions
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3
include/linux/netfilter/nfnetlink_log.h
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@ -48,6 +48,9 @@ enum nfulnl_attr_type {
NFULA_SEQ, /* instance-local sequence number */
NFULA_SEQ_GLOBAL, /* global sequence number */
NFULA_GID, /* group id of socket */
NFULA_HWTYPE, /* hardware type */
NFULA_HWHEADER, /* hardware header */
NFULA_HWLEN, /* hardware header length */
__NFULA_MAX
};

8
net/netfilter/nfnetlink_log.c
View File

@ -453,6 +453,14 @@ __build_packet_message(struct nfulnl_instance *inst,
}
}
if (indev && skb_mac_header_was_set(skb)) {
NLA_PUT_BE16(inst->skb, NFULA_HWTYPE, htons(skb->dev->type));
NLA_PUT_BE16(inst->skb, NFULA_HWLEN,
htons(skb->dev->hard_header_len));
NLA_PUT(inst->skb, NFULA_HWHEADER, skb->dev->hard_header_len,
skb_mac_header(skb));
}
if (skb->tstamp.tv64) {
struct nfulnl_msg_packet_timestamp ts;
struct timeval tv = ktime_to_timeval(skb->tstamp);