v2: - Added patch breaking out udp header creation from function tap_udp4_send(). - Updated the ICMP creation by using the new function. - Added logics to find correct flow, depending on origin. - All done after feedback from David Gibson. v3: - More changes after feedback from David Gibson. v4: - Even more changes after feedback from D. Gibson v5: - Added corresponding patches for IPv6 v6: - Fixed some small nits after comments from D. Gibson. v7: - Added handling of all rejected ICMP messages - Returning correct user data amount if IPv6 as per RFC 4884. v8: - Added MTU to ICMPv4 ICMP_FRAG_NEEDED messages. - Added ASSERT() validation to message creation functions. v9: - Using real source address of ICMP to complement destination address for originial UDP message when needed. v10: -Fixed wrong l4len value given to tap_push_ip4h() in function udp_send_conn_fail_icmp4(), patch #2. v11: -Eliminated coverity warnings. -Fixed a couple of tab issues (My emacs settings weren't able to handle my combination of whitespace and tab settings correctly.) Jon Maloy (4): tap: break out building of udp header from tap_udp4_send function udp: create and send ICMPv4 to local peer when applicable tap: break out building of udp header from tap_udp6_send function udp: create and send ICMPv6 to local peer when applicable tap.c | 86 +++++++++++++++++++++++--------- tap.h | 15 ++++++ udp.c | 132 ++++++++++++++++++++++++++++++++++++++++++++----- udp_internal.h | 2 +- udp_vu.c | 4 +- 5 files changed, 200 insertions(+), 39 deletions(-) -- 2.48.1