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[src/trunk]: src/sys/stand/efiboot Add support for netbooting with non-PCI ne...
details: https://anonhg.NetBSD.org/src/rev/73d0f32b23ac
branches: trunk
changeset: 840299:73d0f32b23ac
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sun Mar 31 22:24:41 2019 +0000
description:
Add support for netbooting with non-PCI network devices.
diffstat:
sys/stand/efiboot/efinet.c | 136 +++++++++++++++++++-------------------------
1 files changed, 60 insertions(+), 76 deletions(-)
diffs (220 lines):
diff -r 3fc6917a86ae -r 73d0f32b23ac sys/stand/efiboot/efinet.c
--- a/sys/stand/efiboot/efinet.c Sun Mar 31 20:08:45 2019 +0000
+++ b/sys/stand/efiboot/efinet.c Sun Mar 31 22:24:41 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: efinet.c,v 1.5 2019/03/05 08:25:03 msaitoh Exp $ */
+/* $NetBSD: efinet.c,v 1.6 2019/03/31 22:24:41 jmcneill Exp $ */
/*-
* Copyright (c) 2001 Doug Rabson
@@ -117,6 +117,33 @@
}
#endif
+static const EFI_MAC_ADDRESS *
+efinet_hwaddr(const EFI_SIMPLE_NETWORK_MODE *mode)
+{
+ int valid, n;
+
+ for (valid = 0, n = 0; n < mode->HwAddressSize; n++)
+ if (mode->CurrentAddress.Addr[n] != 0x00) {
+ valid = true;
+ break;
+ }
+ if (!valid)
+ goto use_permanent;
+
+ for (valid = 0, n = 0; n < mode->HwAddressSize; n++)
+ if (mode->CurrentAddress.Addr[n] != 0xff) {
+ valid = true;
+ break;
+ }
+ if (!valid)
+ goto use_permanent;
+
+ return &mode->CurrentAddress;
+
+use_permanent:
+ return &mode->PermanentAddress;
+}
+
static int
efinet_match(struct netif *nif, void *machdep_hint)
{
@@ -143,12 +170,16 @@
EFI_SIMPLE_NETWORK *net;
EFI_STATUS status;
void *buf;
+ char *ptr;
if (eni == NULL)
return -1;
net = eni->net;
- status = uefi_call_wrapper(net->Transmit, 7, net, 0, (UINTN)len, pkt, NULL,
+ ptr = eni->pktbuf;
+
+ memcpy(ptr, pkt, len);
+ status = uefi_call_wrapper(net->Transmit, 7, net, 0, (UINTN)len, ptr, NULL,
NULL, NULL);
if (EFI_ERROR(status))
return -1;
@@ -202,6 +233,7 @@
if (!EFI_ERROR(status)) {
rsz = uimin(rsz, len);
memcpy(pkt, ptr, rsz);
+
ret = (int)rsz;
break;
}
@@ -252,7 +284,7 @@
status = uefi_call_wrapper(net->ReceiveFilters, 6, net, mask, 0, FALSE,
0, NULL);
- if (EFI_ERROR(status) && status != EFI_INVALID_PARAMETER) {
+ if (EFI_ERROR(status) && status != EFI_INVALID_PARAMETER && status != EFI_UNSUPPORTED) {
printf("net%d: cannot set rx. filters (status=%" PRIxMAX ")\n",
nif->nif_unit, (uintmax_t)status);
return;
@@ -272,7 +304,7 @@
dump_mode(net->Mode);
#endif
- memcpy(desc->myea, net->Mode->PermanentAddress.Addr, 6);
+ memcpy(desc->myea, efinet_hwaddr(net->Mode)->Addr, 6);
desc->xid = 1;
}
@@ -289,44 +321,13 @@
uefi_call_wrapper(net->Shutdown, 1, net);
}
-static bool
-efi_net_pci_probe(struct efinetinfo *eni, EFI_DEVICE_PATH *dp, EFI_DEVICE_PATH *pdp)
-{
-#if notyet
- PCI_DEVICE_PATH *pci = (PCI_DEVICE_PATH *)dp;
-#endif
- int bus = -1;
-
- if (pdp != NULL &&
- DevicePathType(pdp) == ACPI_DEVICE_PATH &&
- (DevicePathSubType(pdp) == ACPI_DP ||
- DevicePathSubType(pdp) == EXPANDED_ACPI_DP)) {
- ACPI_HID_DEVICE_PATH *acpi = (ACPI_HID_DEVICE_PATH *)pdp;
- /* PCI root bus */
- if (acpi->HID == EISA_PNP_ID(0x0A08) ||
- acpi->HID == EISA_PNP_ID(0x0A03)) {
- bus = acpi->UID;
- }
- }
- if (bus < 0)
- return false;
-
-#if notyet
- eni->bus.type = BI_BUS_PCI;
- eni->bus.tag = (bus & 0xff) << 8;
- eni->bus.tag |= (pci->Device & 0x1f) << 3;
- eni->bus.tag |= pci->Function & 0x7;
-#endif
- return true;
-}
-
void
efi_net_probe(void)
{
struct efinetinfo *enis;
struct netif_dif *dif;
struct netif_stats *stats;
- EFI_DEVICE_PATH *dp0, *dp, *pdp;
+ EFI_DEVICE_PATH *dp0, *dp;
EFI_SIMPLE_NETWORK *net;
EFI_HANDLE *handles;
EFI_STATUS status;
@@ -375,45 +376,33 @@
printf("Unable to open network interface %" PRIuMAX
" for exclusive access: %" PRIxMAX "\n",
(uintmax_t)i, (uintmax_t)status);
+ continue;
}
- found = false;
- for (pdp = NULL, dp = dp0;
- !IsDevicePathEnd(dp);
- pdp = dp, dp = NextDevicePathNode(dp)) {
- if (DevicePathType(dp) == HARDWARE_DEVICE_PATH) {
- if (DevicePathSubType(dp) == HW_PCI_DP)
- found = efi_net_pci_probe(&enis[nifs],
- dp, pdp);
- break;
+ enis[nifs].net = net;
+ enis[nifs].bootdev = efi_pxe_match_booted_interface(
+ efinet_hwaddr(net->Mode), net->Mode->HwAddressSize);
+ enis[nifs].pktbufsz = net->Mode->MaxPacketSize +
+ ETHER_EXT_LEN;
+ enis[nifs].pktbuf = alloc(enis[nifs].pktbufsz);
+ if (enis[nifs].pktbuf == NULL) {
+ while (i-- > 0) {
+ dealloc(enis[i].pktbuf, enis[i].pktbufsz);
+ if (i == 0)
+ break;
}
+ dealloc(enis, nhandles * sizeof(*enis));
+ FreePool(handles);
+ return;
}
- if (found) {
- enis[nifs].net = net;
- enis[nifs].bootdev = efi_pxe_match_booted_interface(
- &net->Mode->PermanentAddress, net->Mode->HwAddressSize);
- enis[nifs].pktbufsz = net->Mode->MaxPacketSize +
- ETHER_EXT_LEN;
- enis[nifs].pktbuf = alloc(enis[nifs].pktbufsz);
- if (enis[nifs].pktbuf == NULL) {
- while (i-- > 0) {
- dealloc(enis[i].pktbuf, enis[i].pktbufsz);
- if (i == 0)
- break;
- }
- dealloc(enis, nhandles * sizeof(*enis));
- FreePool(handles);
- return;
- }
- if (depth > 0 && efi_device_path_ncmp(efi_bootdp, dp0, depth) == 0) {
- char devname[9];
- snprintf(devname, sizeof(devname), "net%u", nifs);
- set_default_device(devname);
- }
+ if (depth > 0 && efi_device_path_ncmp(efi_bootdp, dp0, depth) == 0) {
+ char devname[9];
+ snprintf(devname, sizeof(devname), "net%u", nifs);
+ set_default_device(devname);
+ }
- nifs++;
- }
+ nifs++;
}
FreePool(handles);
@@ -463,17 +452,12 @@
printf("net%d", dif->dif_unit);
if (net->Mode != NULL) {
+ const EFI_MAC_ADDRESS *mac = efinet_hwaddr(net->Mode);
for (UINT32 x = 0; x < net->Mode->HwAddressSize; x++) {
printf("%c%02x", x == 0 ? ' ' : ':',
- net->Mode->PermanentAddress.Addr[x]);
+ mac->Addr[x]);
}
}
-#if notyet
- if (eni->bus.type == BI_BUS_PCI) {
- printf(" pci%d,%d,%d", (eni->bus.tag >> 8) & 0xff,
- (eni->bus.tag >> 3) & 0x1f, eni->bus.tag & 0x7);
- }
-#endif
if (eni->bootdev)
printf(" pxeboot");
printf("\n");
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