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authorEric W. Biederman <ebiederm@xmission.com>2011-04-12 04:54:53 -0700
committerEric W. Biederman <ebiederm@xmission.com>2011-04-12 14:41:24 -0700
commite79652487a84453f967e03d168624ec476b36763 (patch)
tree7ba17af7b4ee5415af90b029fcbba4c101a35bab
parent6a54b8029280339e6b54c8c0f2780c74713cdffb (diff)
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syslinux-devel-e79652487a84453f967e03d168624ec476b36763.tar.xz
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pxe: Neuter pxe_idle_init
The previous pxe_idle_init no longer makes sense as we are no longer using the udp core of the pxe stack. So gut pxe_idle_init. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
-rw-r--r--core/fs/pxe/idle.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/core/fs/pxe/idle.c b/core/fs/pxe/idle.c
index 52a87c34..1d1bb8bc 100644
--- a/core/fs/pxe/idle.c
+++ b/core/fs/pxe/idle.c
@@ -19,91 +19,8 @@
#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)