diff options
Diffstat (limited to 'src/extra/udp.c')
| -rw-r--r-- | src/extra/udp.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/src/extra/udp.c b/src/extra/udp.c index f89d314..92165b4 100644 --- a/src/extra/udp.c +++ b/src/extra/udp.c @@ -31,8 +31,7 @@ /** * nfq_udp_get_hdr - get the UDP header. - * \param head: pointer to the beginning of the packet - * \param tail: pointer to the tail of the packet + * \param pktb: Pointer to network packet buffer * * This function returns NULL if invalid UDP header is found. On success, * it returns the UDP header. @@ -52,8 +51,8 @@ EXPORT_SYMBOL(nfq_udp_get_hdr); /** * nfq_udp_get_payload - get the UDP packet payload. - * \param udph: the pointer to the UDP header. - * \param tail: pointer to the tail of the packet + * \param udph: Pointer to UDP header + * \param pktb: Pointer to network packet buffer */ void *nfq_udp_get_payload(struct udphdr *udph, struct pkt_buff *pktb) { @@ -73,7 +72,8 @@ EXPORT_SYMBOL(nfq_udp_get_payload); /** * nfq_udp_get_payload_len - get the udp packet payload. - * \param udp: the pointer to the udp header. + * \param udph: Pointer to UDP header + * \param pktb: Pointer to network packet buffer */ unsigned int nfq_udp_get_payload_len(struct udphdr *udph, struct pkt_buff *pktb) { @@ -120,14 +120,16 @@ nfq_udp_compute_checksum_ipv6(struct udphdr *udph, struct ip6_hdr *ip6h) EXPORT_SYMBOL(nfq_udp_compute_checksum_ipv6); /** - * nfq_tcp_mangle_ipv4 - mangle TCP/IPv4 packet buffer - * \param pktb: pointer to network packet buffer - * \param match_offset: offset to content that you want to mangle - * \param match_len: length of the existing content you want to mangle - * \param rep_buffer: pointer to data you want to use to replace current content - * \param rep_len: length of data you want to use to replace current content - * - * \note This function recalculates the IPv4 and TCP checksums for you. + * nfq_udp_mangle_ipv4 - Mangle UDP/IPv4 packet buffer + * \param pktb: Pointer to network packet buffer + * \param match_offset: Offset from start of UDP data of content that you want + * to mangle + * \param match_len: Length of the existing content you want to mangle + * \param rep_buffer: Pointer to data you want to use to replace current content + * \param rep_len: Length of data you want to use to replace current content + * \returns 1 for success and 0 for failure. See pktb_mangle() for failure case + * \note This function updates the IPv4 and UDP lengths and recalculates their + * checksums for you. */ int nfq_udp_mangle_ipv4(struct pkt_buff *pkt, |