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authorPatrick McHardy <kaber@trash.net>2008-03-25 20:26:24 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-25 20:26:24 -0700
commit0d0ab0378d67517a4f4ae3497706c13d9dd24af1 (patch)
treec2fbd60d9b524fefa1ec96aef95db7942025c427 /include
parent4ab9e64e5e3c0516577818804aaf13a630d67bc9 (diff)
downloadop-kernel-dev-0d0ab0378d67517a4f4ae3497706c13d9dd24af1.zip
op-kernel-dev-0d0ab0378d67517a4f4ae3497706c13d9dd24af1.tar.gz
[NETFILTER]: nf_conntrack_sip: support multiple media channels
Add support for multiple media channels and use it to create expectations for video streams when present. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netfilter/nf_conntrack_sip.h14
-rw-r--r--include/net/netfilter/nf_conntrack.h2
2 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h
index eca3ad3..71fa3eb 100644
--- a/include/linux/netfilter/nf_conntrack_sip.h
+++ b/include/linux/netfilter/nf_conntrack_sip.h
@@ -12,10 +12,24 @@ struct nf_ct_sip_master {
enum sip_expectation_classes {
SIP_EXPECT_SIGNALLING,
SIP_EXPECT_AUDIO,
+ SIP_EXPECT_VIDEO,
__SIP_EXPECT_MAX
};
#define SIP_EXPECT_MAX (__SIP_EXPECT_MAX - 1)
+struct sdp_media_type {
+ const char *name;
+ unsigned int len;
+ enum sip_expectation_classes class;
+};
+
+#define SDP_MEDIA_TYPE(__name, __class) \
+{ \
+ .name = (__name), \
+ .len = sizeof(__name) - 1, \
+ .class = (__class), \
+}
+
struct sip_handler {
const char *method;
unsigned int len;
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 4a4f870..a3567a7 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -78,7 +78,7 @@ do { \
struct nf_conntrack_helper;
/* Must be kept in sync with the classes defined by helpers */
-#define NF_CT_MAX_EXPECT_CLASSES 2
+#define NF_CT_MAX_EXPECT_CLASSES 3
/* nf_conn feature for connections that have a helper */
struct nf_conn_help {
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