mangle_sdp_packet 507 net/netfilter/nf_nat_sip.c if (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen, mangle_sdp_packet 545 net/netfilter/nf_nat_sip.c if (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen, sdpoff, mangle_sdp_packet 549 net/netfilter/nf_nat_sip.c switch (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen, sdpoff,