nfsim: Support more netfilter modules

@@ -72,6 +72,7 @@
   IPPROTO_PUP = 12,		/* PUP protocol				*/
   IPPROTO_UDP = 17,		/* User Datagram Protocol		*/
   IPPROTO_IDP = 22,		/* XNS IDP protocol			*/
+  IPPROTO_DCCP = 33,		/* Datagram Congestion Control Protocol */
   IPPROTO_RSVP = 46,		/* RSVP protocol			*/
   IPPROTO_GRE = 47,		/* Cisco GRE tunnels (rfc 1701,1702)	*/
 

@@ -314,6 +315,150 @@
   } un;
 };
 
+/* sctp.h */
+
+typedef struct sctphdr {
+	__u16 source;
+	__u16 dest;
+	__u32 vtag;
+	__u32 checksum;
+} __attribute__((packed)) sctp_sctphdr_t;
+
+typedef struct sctp_chunkhdr {
+	__u8 type;
+	__u8 flags;
+	__u16 length;
+} __attribute__((packed)) sctp_chunkhdr_t;
+
+typedef enum {
+	SCTP_CID_DATA			= 0,
+        SCTP_CID_INIT			= 1,
+        SCTP_CID_INIT_ACK		= 2,
+        SCTP_CID_SACK			= 3,
+        SCTP_CID_HEARTBEAT		= 4,
+        SCTP_CID_HEARTBEAT_ACK		= 5,
+        SCTP_CID_ABORT			= 6,
+        SCTP_CID_SHUTDOWN		= 7,
+        SCTP_CID_SHUTDOWN_ACK		= 8,
+        SCTP_CID_ERROR			= 9,
+        SCTP_CID_COOKIE_ECHO		= 10,
+        SCTP_CID_COOKIE_ACK	        = 11,
+        SCTP_CID_ECN_ECNE		= 12,
+        SCTP_CID_ECN_CWR		= 13,
+        SCTP_CID_SHUTDOWN_COMPLETE	= 14,
+
+	/* PR-SCTP Sec 3.2 */
+	SCTP_CID_FWD_TSN		= 0xC0,
+
+	/* Use hex, as defined in ADDIP sec. 3.1 */
+	SCTP_CID_ASCONF			= 0xC1,
+	SCTP_CID_ASCONF_ACK		= 0x80,
+} sctp_cid_t; /* enum */
+
+typedef struct sctp_inithdr {
+	__u32 init_tag;
+	__u32 a_rwnd;
+	__u16 num_outbound_streams;
+	__u16 num_inbound_streams;
+	__u32 initial_tsn;
+	__u8  params[0];
+} __attribute__((packed)) sctp_inithdr_t;
+
+/* dccp.h */
+
+struct dccp_hdr {
+	__u16	dccph_sport,
+		dccph_dport;
+	__u8	dccph_doff;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	__u8	dccph_cscov:4,
+		dccph_ccval:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+	__u8	dccph_ccval:4,
+		dccph_cscov:4;
+#else
+#error  "Adjust your <asm/byteorder.h> defines"
+#endif
+	__u16	dccph_checksum;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	__u32	dccph_x:1,
+		dccph_type:4,
+		dccph_reserved:3,
+		dccph_seq:24;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+	__u32	dccph_reserved:3,
+		dccph_type:4,
+		dccph_x:1,
+		dccph_seq:24;
+#else
+#error  "Adjust your <asm/byteorder.h> defines"
+#endif
+};
+
+struct dccp_hdr_ext {
+	__u32	dccph_seq_low;
+};
+struct dccp_hdr_request {
+	__u32	dccph_req_service;
+};
+struct dccp_hdr_ack_bits {
+	__u32	dccph_reserved1:8,
+		dccph_ack_nr_high:24;
+	__u32	dccph_ack_nr_low;
+};
+struct dccp_hdr_response {
+	struct dccp_hdr_ack_bits	dccph_resp_ack;
+	__u32				dccph_resp_service;
+};
+struct dccp_hdr_reset {
+	struct dccp_hdr_ack_bits	dccph_reset_ack;
+	__u8				dccph_reset_code,
+					dccph_reset_data[3];
+};
+
+enum dccp_pkt_type {
+	DCCP_PKT_REQUEST = 0,
+	DCCP_PKT_RESPONSE,
+	DCCP_PKT_DATA,
+	DCCP_PKT_ACK,
+	DCCP_PKT_DATAACK,
+	DCCP_PKT_CLOSEREQ,
+	DCCP_PKT_CLOSE,
+	DCCP_PKT_RESET,
+	DCCP_PKT_SYNC,
+	DCCP_PKT_SYNCACK,
+	DCCP_PKT_INVALID,
+};
+
+static inline unsigned int dccp_packet_hdr_len(const __u8 type)
+{
+	if (type == DCCP_PKT_DATA)
+		return 0;
+	if (type == DCCP_PKT_DATAACK	||
+	    type == DCCP_PKT_ACK	||
+	    type == DCCP_PKT_SYNC	||
+	    type == DCCP_PKT_SYNCACK	||
+	    type == DCCP_PKT_CLOSE	||
+	    type == DCCP_PKT_CLOSEREQ)
+		return sizeof(struct dccp_hdr_ack_bits);
+	if (type == DCCP_PKT_REQUEST)
+		return sizeof(struct dccp_hdr_request);
+	if (type == DCCP_PKT_RESPONSE)
+		return sizeof(struct dccp_hdr_response);
+	return sizeof(struct dccp_hdr_reset);
+}
+
+static inline unsigned int __dccp_basic_hdr_len(const struct dccp_hdr *dh)
+{
+	return sizeof(*dh) + (dh->dccph_x ? sizeof(struct dccp_hdr_ext) : 0);
+}
+
+static inline unsigned int __dccp_hdr_len(const struct dccp_hdr *dh)
+{
+	return __dccp_basic_hdr_len(dh) +
+	       dccp_packet_hdr_len(dh->dccph_type);
+}
+
 /* in_route.h */
 /* IPv4 routing cache flags */
 

@@ -503,6 +648,8 @@
 	u32			ifa_address;
 	u32			ifa_mask;
 	u32			ifa_broadcast;
+
+	unsigned char		ifa_flags;
 };
 
 

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@@ -1231,7 +1231,7 @@
 
 /* delay.h */
 
-#define msleep(x)	do{unsigned int y = (x)*1000; usleep(y);}while(0)
+#define msleep(x)	increment_time((x)*HZ/1000)
 
 /* timer.h */