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authorDaniel Borkmann <dborkman@redhat.com>2013-07-03 13:07:19 +0200
committerDaniel Borkmann <dborkman@redhat.com>2013-07-03 13:07:19 +0200
commitcdafc50c08c2daecd96c84c24faf51248b77b6fb (patch)
tree661f539a3abcbbe26b2da3f736163cbd09747a89
parent20425ad2544bd1d8fb2c2c17cfb0a71026816826 (diff)
pcap_io: add LINKTYPE_NETLINK for netlink pcaps
This adds basic linktype support for netlink "nlmon" devices. Todo: we sill need to set the correct pcap type on capturing. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
-rw-r--r--pcap_io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/pcap_io.h b/pcap_io.h
index 7739868..5488788 100644
--- a/pcap_io.h
+++ b/pcap_io.h
@@ -35,6 +35,7 @@
#define LINKTYPE_EN10MB 1 /* Ethernet (10Mb) */
#define LINKTYPE_IEEE802_11 105 /* IEEE 802.11 wireless */
+#define LINKTYPE_NETLINK 253 /* Netlink messages */
struct pcap_filehdr {
uint32_t magic;
@@ -573,8 +574,10 @@ static inline void pcap_validate_header(const struct pcap_filehdr *hdr)
switch (hdr->linktype) {
case LINKTYPE_EN10MB:
case LINKTYPE_IEEE802_11:
+ case LINKTYPE_NETLINK:
case ___constant_swab32(LINKTYPE_EN10MB):
case ___constant_swab32(LINKTYPE_IEEE802_11):
+ case ___constant_swab32(LINKTYPE_NETLINK):
break;
default:
panic("This file has not a valid pcap header\n");