1 files changed, 0 insertions, 273 deletions

diff --git a/qemu/roms/SLOF/lib/libveth/veth.c b/qemu/roms/SLOF/lib/libveth/veth.c
deleted file mode 100644
index 748730854..000000000
--- a/qemu/roms/SLOF/lib/libveth/veth.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2011, 2013 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <helpers.h>
-#include "veth.h"
-#include "libhvcall.h"
-
-#undef VETH_DEBUG
-//#define VETH_DEBUG
-#ifdef VETH_DEBUG
-#define dprintf(_x ...) do { printf(_x); } while(0)
-#else
-#define dprintf(_x ...)
-#endif
-
-/* *** WARNING: We pass our addresses as-is as DMA addresses,
- *     we -do- rely on the forth code to have enabled TCE bypass
- *     on our device !
- */
-#define vaddr_to_dma(vaddr)	((uint64_t)vaddr)
-
-struct ibmveth_buf_desc_fields {
-	uint32_t flags_len;
-#define IBMVETH_BUF_VALID	0x80000000
-#define IBMVETH_BUF_TOGGLE	0x40000000
-#define IBMVETH_BUF_NO_CSUM	0x02000000
-#define IBMVETH_BUF_CSUM_GOOD	0x01000000
-#define IBMVETH_BUF_LEN_MASK	0x00FFFFFF
-	uint32_t address;
-};
-
-union ibmveth_buf_desc {
-	uint64_t desc;
-	struct ibmveth_buf_desc_fields fields;
-};
-
-struct ibmveth_rx_q_entry {
-	uint32_t flags_off;
-#define IBMVETH_RXQ_TOGGLE		0x80000000
-#define IBMVETH_RXQ_TOGGLE_SHIFT	31
-#define IBMVETH_RXQ_VALID		0x40000000
-#define IBMVETH_RXQ_NO_CSUM		0x02000000
-#define IBMVETH_RXQ_CSUM_GOOD		0x01000000
-#define IBMVETH_RXQ_OFF_MASK		0x0000FFFF
-
-	uint32_t length;
-	uint64_t correlator;
-};
-
-static void *buffer_list; 
-static void *filter_list; 
-static uint64_t *rx_bufs;
-static uint64_t *rx_bufs_aligned;
-static uint32_t cur_rx_toggle;
-static uint32_t cur_rx_index;
-
-#define RX_QUEUE_SIZE	256
-#define RX_BUF_SIZE	2048
-#define RX_BUF_MULT	(RX_BUF_SIZE >> 3)
-
-static struct ibmveth_rx_q_entry *rx_queue;
-
-static inline uint64_t *veth_get_rx_buf(unsigned int i)
-{
-	return &rx_bufs_aligned[i * RX_BUF_MULT];
-}
-
-static int veth_init(net_driver_t *driver)
-{
-	char *mac_addr;
-	union ibmveth_buf_desc rxq_desc;
-	unsigned long rx_queue_len = sizeof(struct ibmveth_rx_q_entry) *
-		RX_QUEUE_SIZE;
-	unsigned int i;
-	long rc;
-
-	if (!driver)
-		return -1;
-
-	dprintf("veth_init(%02x:%02x:%02x:%02x:%02x:%02x)\n",
-		mac_addr[0], mac_addr[1], mac_addr[2],
-		mac_addr[3], mac_addr[4], mac_addr[5]);
-
-	if (driver->running != 0)
-		return 0;
-
-	mac_addr = (char *)driver->mac_addr;
-	cur_rx_toggle = IBMVETH_RXQ_TOGGLE;
-	cur_rx_index = 0;
-	buffer_list = SLOF_alloc_mem_aligned(8192, 4096);
-	filter_list = buffer_list + 4096;
-	rx_queue = SLOF_alloc_mem_aligned(rx_queue_len, 16);
-	rx_bufs = SLOF_alloc_mem(2048 * RX_QUEUE_SIZE + 4);
-	if (!buffer_list || !filter_list || !rx_queue || !rx_bufs) {
-		printf("veth: Failed to allocate memory !\n");
-		goto fail;
-	}
-	rx_bufs_aligned = (uint64_t *)(((uint64_t)rx_bufs | 3) + 1);
-	rxq_desc.fields.address = vaddr_to_dma(rx_queue);
-	rxq_desc.fields.flags_len = IBMVETH_BUF_VALID | rx_queue_len;
-
-	rc = h_register_logical_lan(driver->reg,
-				    vaddr_to_dma(buffer_list),
-				    rxq_desc.desc,
-				    vaddr_to_dma(filter_list),
-				    (*(uint64_t *)mac_addr) >> 16);
-	if (rc != H_SUCCESS) {
-		printf("veth: Error %ld registering interface !\n", rc);
-		goto fail;
-	}
-	for (i = 0; i < RX_QUEUE_SIZE; i++) {
-		uint64_t *buf = veth_get_rx_buf(i);
-		union ibmveth_buf_desc desc;
-		*buf = (uint64_t)buf;
-		desc.fields.address = vaddr_to_dma(buf);
-		desc.fields.flags_len = IBMVETH_BUF_VALID | RX_BUF_SIZE;
-		h_add_logical_lan_buffer(driver->reg, desc.desc);
-	}
-
-	driver->running = 1;
-
-	return 0;
- fail:
-	if (buffer_list)
-		SLOF_free_mem(buffer_list, 8192);
-	if (rx_queue)
-		SLOF_free_mem(rx_queue, rx_queue_len);
-	if (rx_bufs)
-		SLOF_free_mem(rx_bufs, 2048 * RX_QUEUE_SIZE + 4);
-	return -1;
-}
-
-static int veth_term(net_driver_t *driver)
-{
-	dprintf("veth_term()\n");
-
-	if (driver->running == 0)
-		return 0;
-
-	h_free_logical_lan(driver->reg);
-
-	if (buffer_list)
-		SLOF_free_mem(buffer_list, 8192);
-	if (rx_queue)
-		SLOF_free_mem(rx_queue, sizeof(struct ibmveth_rx_q_entry) * RX_QUEUE_SIZE);
-	if (rx_bufs)
-		SLOF_free_mem(rx_bufs, 2048 * RX_QUEUE_SIZE + 4);
-
-	driver->running = 0;
-
-	return 0;
-}
-
-static int veth_receive(char *f_buffer_pc, int f_len_i, net_driver_t *driver)
-{
-	int packet = 0;
-
-	dprintf("veth_receive()\n");
-
-	while(!packet) {
-		struct ibmveth_rx_q_entry *desc = &rx_queue[cur_rx_index];
-		union ibmveth_buf_desc bdesc;
-		void *buf;
-
-		buf = (void *)desc->correlator;
-
-		if ((desc->flags_off & IBMVETH_RXQ_TOGGLE) != cur_rx_toggle)
-			break;
-
-		if (!(desc->flags_off & IBMVETH_RXQ_VALID))
-			goto recycle;
-		if (desc->length > f_len_i) {
-			printf("veth: Dropping too big packet [%d bytes]\n",
-			       desc->length);
-			goto recycle;
-		}
-
-		packet = desc->length;
-		memcpy(f_buffer_pc,
-		       buf + (desc->flags_off & IBMVETH_RXQ_OFF_MASK), packet);
-	recycle:
-		bdesc.fields.address = vaddr_to_dma(buf);
-		bdesc.fields.flags_len = IBMVETH_BUF_VALID | RX_BUF_SIZE;
-		h_add_logical_lan_buffer(driver->reg, bdesc.desc);
-
-		cur_rx_index = (cur_rx_index + 1) % RX_QUEUE_SIZE;
-		if (cur_rx_index == 0)
-			cur_rx_toggle ^= IBMVETH_RXQ_TOGGLE;
-	}
-
-	return packet;
-}
-
-static int veth_xmit(char *f_buffer_pc, int f_len_i, net_driver_t *driver)
-{
-	union ibmveth_buf_desc tx_desc;
-	long rc;
-
-	dprintf("veth_xmit(packet at %p, %d bytes)\n", f_buffer_pc, f_len_i);
-
-	tx_desc.fields.address = vaddr_to_dma(f_buffer_pc);
-	tx_desc.fields.flags_len = IBMVETH_BUF_VALID | f_len_i;
-
-	rc = hv_send_logical_lan(driver->reg, tx_desc.desc, 0, 0, 0, 0, 0);
-	if (rc != H_SUCCESS) {
-		printf("veth: Error %ld sending packet !\n", rc);
-		return -1;
-	}
-
-	return f_len_i;
-}
-
-net_driver_t *libveth_open(char *mac_addr, int mac_len, char *reg, int reg_len)
-{
-	net_driver_t *driver;
-
-	driver = SLOF_alloc_mem(sizeof(*driver));
-	if (!driver) {
-		printf("Unable to allocate veth driver\n");
-		return NULL;
-	}
-
-	/* veth uses a 8-byte wide property instead of 6-byte wide MACs */
-	if ((mac_len == 8) && (mac_addr[0] == 0) && mac_addr[1] == 0)
-		mac_addr += 2;
-	memcpy(driver->mac_addr, mac_addr, 6);
-	driver->reg = *(uint32_t *)reg;
-	driver->running = 0;
-
-	if (veth_init(driver)) {
-		SLOF_free_mem(driver, sizeof(*driver));
-		return NULL;
-	}
-
-	return driver;
-}
-
-void libveth_close(net_driver_t *driver)
-{
-	if (driver) {
-		veth_term(driver);
-		SLOF_free_mem(driver, sizeof(*driver));
-	}
-}
-
-int libveth_read(char *buf, int len, net_driver_t *driver)
-{
-	if (buf)
-		return veth_receive(buf, len, driver);
-
-	return -1;
-}
-
-int libveth_write(char *buf, int len, net_driver_t *driver)
-{
-	if (buf)
-		return veth_xmit(buf, len, driver);
-
-	return -1;
-}