if_ipsec: Port and add to everything-buildset.

This ports the kernel space parts for ipsec and adds them to the
everything-buildset.

buildset/default.ini

@@ -50,6 +50,7 @@ net = on
 net80211 = off
 netinet = on
 netinet6 = on
+netipsec = off
 opencrypto = on
 pci = on
 pf = on

buildset/everything.ini

@@ -13,3 +13,4 @@ dev_wlan_rtwn = on
 net80211 = on
 user_space_wlanstats = on
 usr_sbin_wpa_supplicant = on
+netipsec = on

freebsd/sys/net/if_ipsec.c

@@ -174,7 +174,11 @@ ipsec_clone_create(struct if_clone *ifc, int unit, caddr_t params)
 	struct ifnet *ifp;
 
 	sc = malloc(sizeof(*sc), M_IPSEC, M_WAITOK | M_ZERO);
+#ifndef __rtems__
 	sc->fibnum = curthread->td_proc->p_fibnum;
+#else /* __rtems__ */
+	sc->fibnum = BSD_DEFAULT_FIB;
+#endif /* __rtems__ */
 	sc->ifp = ifp = if_alloc(IFT_TUNNEL);
 	IPSEC_LOCK_INIT(sc);
 	ifp->if_softc = sc;

libbsd.py

@@ -1988,6 +1988,7 @@ class netipsec(builder.Module):
         mm = self.manager
         self.addKernelSpaceHeaderFiles(
             [
+                'sys/net/if_ipsec.h',
                 'sys/netipsec/ah.h',
                 'sys/netipsec/ah_var.h',
                 'sys/netipsec/esp.h',
@@ -2007,6 +2008,7 @@ class netipsec(builder.Module):
         )
         self.addKernelSpaceSourceFiles(
             [
+                'sys/net/if_ipsec.c',
                 'sys/netipsec/ipsec.c',
                 'sys/netipsec/ipsec_input.c',
                 'sys/netipsec/ipsec_mbuf.c',

rtemsbsd/include/rtems/bsd/local/opt_ipsec.h

@@ -0,0 +1,5 @@
+#include <rtems/bsd/modules.h>
+#ifdef RTEMS_BSD_MODULE_NETIPSEC
+  #define IPSEC 1
+  #define TCP_SIGNATURE 1
+#endif