[syslinux:lwip] pxe: Neuter pxe_idle_init

[syslinux-bot for Eric W. Biederman]

Commit-ID:  e79652487a84453f967e03d168624ec476b36763
Gitweb:     http://syslinux.zytor.com/commit/e79652487a84453f967e03d168624ec476b36763
Author:     Eric W. Biederman <ebiederm at xmission.com>
AuthorDate: Tue, 12 Apr 2011 04:54:53 -0700
Committer:  Eric W. Biederman <ebiederm at xmission.com>
CommitDate: Tue, 12 Apr 2011 14:41:24 -0700

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 at xmission.com>


---
 core/fs/pxe/idle.c |   83 ----------------------------------------------------
 1 files changed, 0 insertions(+), 83 deletions(-)

diff --git a/core/fs/pxe/idle.c b/core/fs/pxe/idle.c
index 52a87c3..1d1bb8b 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)