mss.c File Reference

#include "syshead.h"
#include "error.h"
#include "mss.h"
#include "memdbg.h"

Include dependency graph for mss.c:

Go to the source code of this file.

Functions
void	mss_fixup_ipv4 (struct buffer *buf, int maxmss)
void	mss_fixup_ipv6 (struct buffer *buf, int maxmss)
void	mss_fixup_dowork (struct buffer *buf, uint16_t maxmss)

Function Documentation

mss_fixup_dowork()

void mss_fixup_dowork	(	struct buffer *	buf,
		uint16_t	maxmss
	)

Definition at line 143 of file mss.c.

References ADJUST_CHECKSUM, BLEN, BPTR, openvpn_tcphdr::check, D_MSS, dmsg, openvpn_tcphdr::doff_res, OPENVPN_TCPH_GET_DOFF, OPENVPN_TCPOLEN_MAXSEG, OPENVPN_TCPOPT_EOL, OPENVPN_TCPOPT_MAXSEG, OPENVPN_TCPOPT_NOP, and verify_align_4.

Referenced by mss_fixup_ipv4(), and mss_fixup_ipv6().

mss_fixup_ipv4()

void mss_fixup_ipv4	(	struct buffer *	buf,
		int	maxmss
	)

Definition at line 46 of file mss.c.

References BLEN, BPTR, buf_advance(), openvpn_tcphdr::flags, openvpn_iphdr::frag_off, mss_fixup_dowork(), OPENVPN_IP_OFFMASK, OPENVPN_IPH_GET_LEN, OPENVPN_IPPROTO_TCP, OPENVPN_TCPH_SYN_MASK, openvpn_iphdr::protocol, openvpn_iphdr::tot_len, verify_align_4, and openvpn_iphdr::version_len.

Referenced by process_ip_header().

mss_fixup_ipv6()

void mss_fixup_ipv6	(	struct buffer *	buf,
		int	maxmss
	)

Definition at line 86 of file mss.c.

References BLEN, BPTR, buf_advance(), openvpn_tcphdr::flags, mss_fixup_dowork(), openvpn_ipv6hdr::nexthdr, OPENVPN_IPPROTO_TCP, OPENVPN_TCPH_SYN_MASK, openvpn_ipv6hdr::payload_len, and verify_align_4.

Referenced by process_ip_header().