This adds a Netfront device stub. Diff is more for educational
purposes at the moment. Perhaps Paul will chip in and help me
add flesh to it.
---
sys/arch/amd64/conf/GENERIC | 1 +
sys/dev/pv/files.pv | 4 ++++
sys/dev/pv/if_xnf.c | 46 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 51 insertions(+)
create mode 100644 sys/dev/pv/if_xnf.c
diff --git sys/arch/amd64/conf/GENERIC sys/arch/amd64/conf/GENERIC
index a4a87b0..981a8d0 100644
--- sys/arch/amd64/conf/GENERIC
+++ sys/arch/amd64/conf/GENERIC
@@ -67,10 +67,11 @@ mpbios0 at bios0
ipmi0 at mainbus? disable # IPMI
vmt0 at pvbus? # VMware Tools
#xen0 at pvbus? # Xen HVM domU
+#xnf* at xen? # Xen Netfront
option PCIVERBOSE
option USBVERBOSE
pchb* at pci? # PCI-Host bridges
diff --git sys/dev/pv/files.pv sys/dev/pv/files.pv
index 461ea08..a4b1789 100644
--- sys/dev/pv/files.pv
+++ sys/dev/pv/files.pv
@@ -16,5 +16,9 @@ file dev/pv/vmt.c vmt needs-flag
# Xen
device xen {}
attach xen at pvbus
file dev/pv/xen.c xen needs-flag
file dev/pv/xenstore.c xen
+
+device xnf: ether, ifnet, ifmedia
+attach xnf at xen
+file dev/pv/if_xnf.c xnf
diff --git sys/dev/pv/if_xnf.c sys/dev/pv/if_xnf.c
new file mode 100644
index 0000000..d2d31c6
--- /dev/null
+++ sys/dev/pv/if_xnf.c
@@ -0,0 +1,46 @@
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/atomic.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+
+#include <uvm/uvm_extern.h>
+
+#include <dev/pv/xenreg.h>
+#include <dev/pv/xenvar.h>
+
+struct xnf_softc {
+ struct device sc_dev;
+};
+
+int xnf_match(struct device *, void *, void *);
+void xnf_attach(struct device *, struct device *, void *);
+
+
+struct cfdriver xnf_cd = {
+ NULL, "xnf", DV_IFNET
+};
+
+struct cfattach xnf_ca = {
+ sizeof(struct xnf_softc), xnf_match, xnf_attach
+};
+
+int
+xnf_match(struct device *parent, void *match, void *aux)
+{
+ struct xen_attach_args *xa = aux;
+
+ if (strcmp("vif", xa->xa_name))
+ return (0);
+
+ return (1);
+}
+
+void
+xnf_attach(struct device *parent, struct device *self, void *aux)
+{
+ struct xen_attach_args *xa = aux;
+
+ printf(": \"%s\"\n", xa->xa_node);
+}
--
2.6.3
