Hi, The implementation of ipsp_spd_inp() is side effect free. It sets the error output parameter and returns a tdb. Both are ignored in in_pcbconnect(). So this code does nothing.
ok? bluhm Index: netinet/in_pcb.c =================================================================== RCS file: /cvs/src/sys/netinet/in_pcb.c,v retrieving revision 1.255 diff -u -p -r1.255 in_pcb.c --- netinet/in_pcb.c 10 Mar 2021 10:21:48 -0000 1.255 +++ netinet/in_pcb.c 25 Oct 2021 21:49:13 -0000 @@ -525,14 +525,6 @@ in_pcbconnect(struct inpcb *inp, struct inp->inp_flowid = stoeplitz_ip4port(inp->inp_faddr.s_addr, inp->inp_laddr.s_addr, inp->inp_fport, inp->inp_lport); #endif -#ifdef IPSEC - { - /* Cause an IPsec SA to be established. */ - /* error is just ignored */ - ipsp_spd_inp(NULL, AF_INET, 0, &error, IPSP_DIRECTION_OUT, - NULL, inp, NULL); - } -#endif return (0); }