A simple if_alloc, if_free test and backbone for further testing network interface management

bootfs.manifest

@@ -20,8 +20,9 @@
 #/tests/tst-ramdisk.so: ./tests/tst-ramdisk.so
 #/tests/tst-vblk.so: ./tests/tst-vblk.so
 #/tests/tst-bsd-evh.so: ./tests/tst-bsd-evh.so
-/tests/tst-bsd-callout.so: ./tests/tst-bsd-callout.so
+#/tests/tst-bsd-callout.so: ./tests/tst-bsd-callout.so
 #/tests/tst-bsd-netisr.so: ./tests/tst-bsd-netisr.so
+/tests/tst-bsd-netdriver.so: ./tests/tst-bsd-netdriver.so
 /testrunner.so: ./tests/testrunner.so
 /java/Hello.class: ./tests/hello/Hello.class
 /java.so: java/java.so

build.mak

@@ -71,7 +71,8 @@ do-sys-includes = $(foreach inc, $(sys-includes), -isystem $(inc))
 
 tests := tests/tst-pthread.so tests/tst-ramdisk.so tests/hello/Hello.class
 tests += tests/tst-vblk.so tests/bench/bench.jar
-tests += tests/tst-bsd-evh.so tests/tst-bsd-callout.so tests/tst-bsd-netisr.so 
+tests += tests/tst-bsd-evh.so tests/tst-bsd-callout.so tests/tst-bsd-netisr.so \
+         tests/tst-bsd-netdriver.so
 
 tests/hello/Hello.class: javabase=tests/hello
 
@@ -83,6 +84,7 @@ tests/tst-vblk.so: tests/tst-vblk.o
 tests/tst-bsd-evh.so: tests/tst-bsd-evh.o
 tests/tst-bsd-callout.so: tests/tst-bsd-callout.o
 tests/tst-bsd-netisr.so: tests/tst-bsd-netisr.o
+tests/tst-bsd-netdriver.so: tests/tst-bsd-netdriver.o
 
 all: loader.img loader.bin
 

tests/tst-bsd-netdriver.c

+#include <stdio.h>
+
+#include <bsd/sys/net/if_var.h>
+#include <bsd/sys/net/if.h>
+#include <bsd/sys/net/if_arp.h>
+#include <bsd/sys/net/ethernet.h>
+#include <bsd/sys/net/if_dl.h>
+#include <bsd/sys/net/if_types.h>
+#include <bsd/sys/netinet/in.h>
+#include <bsd/sys/netinet/in_var.h>
+#include <bsd/sys/sys/sockio.h>
+#include <bsd/sys/sys/socket.h>
+
+/* Test log */
+#define TLOG(...) printf(__VA_ARGS__)
+
+/* Global ifnet */
+struct ifnet* pifp;
+
+static int
+lge_ioctl(struct ifnet        *ifp,
+          u_long          command,
+          caddr_t         data)
+{
+    TLOG("lge_ioctl\n");
+    return (0);
+}
+
+static void
+lge_start(struct ifnet* ifp)
+{
+    TLOG("lge_start\n");
+}
+
+static void
+lge_init(void *xsc)
+{
+    TLOG("lge_init\n");
+}
+
+int create_if(void)
+{
+    u_char eaddr[ETHER_ADDR_LEN] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
+
+    printf("[~] Creating interface!\n");
+    pifp = if_alloc(IFT_ETHER);
+    if (pifp == NULL) {
+        printf("[-] if_alloc() failed!\n");
+        return (-1);
+    }
+
+    if_initname(pifp, "test-net", 0);
+    pifp->if_mtu = ETHERMTU;
+    pifp->if_softc = (void*)"Driver private softc";
+    pifp->if_flags = 0/* IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST */;
+    pifp->if_ioctl = lge_ioctl;
+    pifp->if_start = lge_start;
+    pifp->if_init = lge_init;
+    pifp->if_snd.ifq_maxlen = 2;
+    pifp->if_capabilities = 0/* IFCAP_RXCSUM */;
+    pifp->if_capenable = pifp->if_capabilities;
+
+    ether_ifattach(pifp, eaddr);
+
+    return (0);
+}
+
+void destroy_id(void)
+{
+    /* ether_ifdetach(pifp); */
+    if_free(pifp);
+}
+
+void set_address(void)
+{
+    struct  sockaddr_in ia_addr;
+    struct ifaddr ifa;
+    bzero(&ifa, sizeof(ifa));
+    bzero(&ia_addr, sizeof(ia_addr));
+
+    ifa.ifa_addr = (struct sockaddr*)&ia_addr;
+
+    ia_addr.sin_family = AF_INET;
+    ia_addr.sin_len = sizeof(struct sockaddr_in);
+    /* FIXME: use inet_addr when we have one */
+    ia_addr.sin_addr.s_addr = 0xAABBCCDD;
+
+    /* This causes the arp module issue a broadcast an arp tell packet
+     * (Happen only if the interface was already up! */
+    ether_ioctl(pifp, SIOCSIFADDR, (caddr_t)&ifa);
+
+}
+
+int main(void)
+{
+    TLOG("BSD Net Driver Test\n");
+
+    create_if();
+
+    /*
+     * Let all domains know about this interface...
+     * (There are non configured at this moment)
+     */
+    if_attachdomain(NULL);
+
+    // set_address();
+    destroy_id();
+
+    TLOG("BSD Net Driver Test\n");
+    return (0);
+}
+
+#undef TLOG