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Diffstat (limited to 'contrib/syslinux/syslinux-4.03/core/fs/pxe/idle.c')
-rw-r--r--contrib/syslinux/syslinux-4.03/core/fs/pxe/idle.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/contrib/syslinux/syslinux-4.03/core/fs/pxe/idle.c b/contrib/syslinux/syslinux-4.03/core/fs/pxe/idle.c
deleted file mode 100644
index 52a87c3..0000000
--- a/contrib/syslinux/syslinux-4.03/core/fs/pxe/idle.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/* ----------------------------------------------------------------------- *
- *
- * Copyright 2008 H. Peter Anvin - All Rights Reserved
- * Copyright 2009 Intel Corporation; author: H. Peter Anvin
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston MA 02110-1301, USA; either version 2 of the License, or
- * (at your option) any later version; incorporated herein by reference.
- *
- * ----------------------------------------------------------------------- */
-
-#include <stdio.h>
-#include <string.h>
-#include <core.h>
-#include <fs.h>
-#include <minmax.h>
-#include <sys/cpu.h>
-#include "pxe.h"
-
-static int pxe_idle_poll(void)
-{
- static __lowmem char junk_pkt[PKTBUF_SIZE];
- static __lowmem t_PXENV_UDP_READ read_buf;
-
- memset(&read_buf, 0, sizeof read_buf);
-
- read_buf.src_ip = 0; /* Any destination */
- read_buf.dest_ip = IPInfo.myip;
- read_buf.s_port = 0; /* Any source port */
- read_buf.d_port = htons(9); /* Discard port (not used...) */
- read_buf.buffer_size = sizeof junk_pkt;
- read_buf.buffer = FAR_PTR(junk_pkt);
-
- pxe_call(PXENV_UDP_READ, &read_buf);
-
- return 0;
-}
-
-static uint32_t pxe_detect_nic_type(void)
-{
- static __lowmem t_PXENV_UNDI_GET_NIC_TYPE nic_type;
-
- if (pxe_call(PXENV_UNDI_GET_NIC_TYPE, &nic_type))
- return -1; /* Unknown NIC */
-
- if (nic_type.NicType != PCI_NIC && nic_type.NicType != CardBus_NIC)
- return -1; /* Not a PCI NIC */
-
- /*
- * Return VID:DID as a single number, with the VID in the high word
- * -- this is opposite from the usual order, but it makes it easier to
- * enforce that the table is sorted.
- */
- return (nic_type.info.pci.Vendor_ID << 16) + nic_type.info.pci.Dev_ID;
-}
-
-#define PCI_DEV(vid, did) (((vid) << 16) + (did))
-
-/* This array should be sorted!! */
-static const uint32_t pxe_need_idle_drain[] =
-{
- /*
- * Older Broadcom NICs: they need receive calls on idle to avoid
- * FIFO stalls.
- */
- PCI_DEV(0x14e4, 0x1659), /* BCM5721 */
- PCI_DEV(0x14e4, 0x165a), /* BCM5722 */
- PCI_DEV(0x14e4, 0x165b), /* BCM5723 */
- PCI_DEV(0x14e4, 0x1668), /* BCM5714 */
- PCI_DEV(0x14e4, 0x1669), /* BCM5714S */
- PCI_DEV(0x14e4, 0x166a), /* BCM5780 */
- PCI_DEV(0x14e4, 0x1673), /* BCM5755M */
- PCI_DEV(0x14e4, 0x1674), /* BCM5756ME */
- PCI_DEV(0x14e4, 0x1678), /* BCM5715 */
- PCI_DEV(0x14e4, 0x1679), /* BCM5715S */
- PCI_DEV(0x14e4, 0x167b), /* BCM5755 */
-};
-
-void pxe_idle_init(void)
-{
- uint32_t dev_id = pxe_detect_nic_type();
- int l, h;
- bool found;
-
- l = 0;
- h = sizeof pxe_need_idle_drain / sizeof pxe_need_idle_drain[0] - 1;
-
- found = false;
- while (h >= l) {
- int x = (l+h) >> 1;
- uint32_t id = pxe_need_idle_drain[x];
-
- if (id == dev_id) {
- found = true;
- break;
- } else if (id < dev_id) {
- l = x+1;
- } else {
- h = x-1;
- }
- }
-
- if (found)
- idle_hook_func = pxe_idle_poll;
-}
-
-void pxe_idle_cleanup(void)
-{
- idle_hook_func = NULL;
-}