34 static unsigned int mangle_packet(struct sk_buff *skb, unsigned int protoff,  in mangle_packet()  argument
46 		th = (struct tcphdr *)(skb->data + protoff);  in mangle_packet()
47 		baseoff = protoff + th->doff * 4;  in mangle_packet()
51 						protoff, matchoff, matchlen,  in mangle_packet()
55 		baseoff = protoff + sizeof(struct udphdr);  in mangle_packet()
59 					      protoff, matchoff, matchlen,  in mangle_packet()
92 static int map_addr(struct sk_buff *skb, unsigned int protoff,  in map_addr()  argument
123 	return mangle_packet(skb, protoff, dataoff, dptr, datalen,  in map_addr()
127 static int map_sip_addr(struct sk_buff *skb, unsigned int protoff,  in map_sip_addr()  argument
141 	return map_addr(skb, protoff, dataoff, dptr, datalen,  in map_sip_addr()
145 static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff,  in nf_nat_sip()  argument
164 		    !map_addr(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sip()
200 		if (!map_addr(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sip()
218 			if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sip()
235 			if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sip()
251 			if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sip()
267 		if (!map_addr(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sip()
275 	if (!map_sip_addr(skb, protoff, dataoff, dptr, datalen, SIP_HDR_FROM) ||  in nf_nat_sip()
276 	    !map_sip_addr(skb, protoff, dataoff, dptr, datalen, SIP_HDR_TO)) {  in nf_nat_sip()
290 		uh = (void *)skb->data + protoff;  in nf_nat_sip()
293 		if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo, protoff,  in nf_nat_sip()
303 static void nf_nat_sip_seq_adjust(struct sk_buff *skb, unsigned int protoff,  in nf_nat_sip_seq_adjust()  argument
313 	th = (struct tcphdr *)(skb->data + protoff);  in nf_nat_sip_seq_adjust()
373 static unsigned int nf_nat_sip_expect(struct sk_buff *skb, unsigned int protoff,  in nf_nat_sip_expect()  argument
422 		if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sip_expect()
435 static int mangle_content_len(struct sk_buff *skb, unsigned int protoff,  in mangle_content_len()  argument
458 	return mangle_packet(skb, protoff, dataoff, dptr, datalen,  in mangle_content_len()
462 static int mangle_sdp_packet(struct sk_buff *skb, unsigned int protoff,  in mangle_sdp_packet()  argument
477 	return mangle_packet(skb, protoff, dataoff, dptr, datalen,  in mangle_sdp_packet()
481 static unsigned int nf_nat_sdp_addr(struct sk_buff *skb, unsigned int protoff,  in nf_nat_sdp_addr()  argument
495 	if (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sdp_addr()
499 	return mangle_content_len(skb, protoff, dataoff, dptr, datalen);  in nf_nat_sdp_addr()
502 static unsigned int nf_nat_sdp_port(struct sk_buff *skb, unsigned int protoff,  in nf_nat_sdp_port()  argument
513 	if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sdp_port()
517 	return mangle_content_len(skb, protoff, dataoff, dptr, datalen);  in nf_nat_sdp_port()
520 static unsigned int nf_nat_sdp_session(struct sk_buff *skb, unsigned int protoff,  in nf_nat_sdp_session()  argument
533 	if (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen, sdpoff,  in nf_nat_sdp_session()
537 	switch (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen, sdpoff,  in nf_nat_sdp_session()
554 	return mangle_content_len(skb, protoff, dataoff, dptr, datalen);  in nf_nat_sdp_session()
559 static unsigned int nf_nat_sdp_media(struct sk_buff *skb, unsigned int protoff,  in nf_nat_sdp_media()  argument
628 	    !nf_nat_sdp_port(skb, protoff, dataoff, dptr, datalen,  in nf_nat_sdp_media()