/*
- * Copyright (C) 2009 - QLogic Corporation.
- * All rights reserved.
- *
- * 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; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * The full GNU General Public License is included in this distribution
- * in the file called "COPYING".
+ * QLogic qlcnic NIC Driver
+ * Copyright (c) 2009-2010 QLogic Corporation
*
+ * See LICENSE.qlcnic for copyright and licensing details.
*/
#include <linux/netdevice.h>
tx_ring->num_desc = adapter->num_txd;
tx_ring->txq = netdev_get_tx_queue(netdev, 0);
- cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring));
+ cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
if (cmd_buf_arr == NULL) {
dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n");
goto err_out;
}
- memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
tx_ring->cmd_buf_arr = cmd_buf_arr;
recv_ctx = &adapter->recv_ctx;
rds_ring->dma_size + NET_IP_ALIGN;
break;
}
- rds_ring->rx_buf_arr = (struct qlcnic_rx_buffer *)
- vmalloc(RCV_BUFF_RINGSIZE(rds_ring));
+ rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
if (rds_ring->rx_buf_arr == NULL) {
dev_err(&netdev->dev, "Failed to allocate "
"rx buffer ring %d\n", ring);
goto err_out;
}
- memset(rds_ring->rx_buf_arr, 0, RCV_BUFF_RINGSIZE(rds_ring));
INIT_LIST_HEAD(&rds_ring->free_list);
/*
* Now go through all of them, set reference handles
return 0;
}
+static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region,
+ struct qlcnic_flt_entry *region_entry)
+{
+ struct qlcnic_flt_header flt_hdr;
+ struct qlcnic_flt_entry *flt_entry;
+ int i = 0, ret;
+ u32 entry_size;
+
+ memset(region_entry, 0, sizeof(struct qlcnic_flt_entry));
+ ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION,
+ (u8 *)&flt_hdr,
+ sizeof(struct qlcnic_flt_header));
+ if (ret) {
+ dev_warn(&adapter->pdev->dev,
+ "error reading flash layout header\n");
+ return -EIO;
+ }
+
+ entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header);
+ flt_entry = (struct qlcnic_flt_entry *)vzalloc(entry_size);
+ if (flt_entry == NULL) {
+ dev_warn(&adapter->pdev->dev, "error allocating memory\n");
+ return -EIO;
+ }
+
+ ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION +
+ sizeof(struct qlcnic_flt_header),
+ (u8 *)flt_entry, entry_size);
+ if (ret) {
+ dev_warn(&adapter->pdev->dev,
+ "error reading flash layout entries\n");
+ goto err_out;
+ }
+
+ while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) {
+ if (flt_entry[i].region == region)
+ break;
+ i++;
+ }
+ if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) {
+ dev_warn(&adapter->pdev->dev,
+ "region=%x not found in %d regions\n", region, i);
+ ret = -EIO;
+ goto err_out;
+ }
+ memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry));
+
+err_out:
+ vfree(flt_entry);
+ return ret;
+}
+
int
qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter)
{
+ struct qlcnic_flt_entry fw_entry;
u32 ver = -1, min_ver;
+ int ret;
- qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET, (int *)&ver);
+ ret = qlcnic_get_flt_entry(adapter, QLCNIC_FW_IMAGE_REGION, &fw_entry);
+ if (!ret)
+ /* 0-4:-signature, 4-8:-fw version */
+ qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4,
+ (int *)&ver);
+ else
+ qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET,
+ (int *)&ver);
ver = QLCNIC_DECODE_VERSION(ver);
min_ver = QLCNIC_MIN_FW_VERSION;
spin_unlock(&rds_ring->lock);
}
-static void dump_skb(struct sk_buff *skb)
-{
- int i;
- unsigned char *data = skb->data;
-
- for (i = 0; i < skb->len; i++) {
- printk("%02x ", data[i]);
- if ((i & 0x0f) == 8)
- printk("\n");
- }
-}
-
-static struct qlcnic_rx_buffer *
-qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter,
- struct qlcnic_host_sds_ring *sds_ring,
- int ring, u64 sts_data0)
-{
- struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
- struct qlcnic_rx_buffer *buffer;
- struct sk_buff *skb;
- struct qlcnic_host_rds_ring *rds_ring;
- int index, length, cksum, pkt_offset;
-
- if (unlikely(ring >= adapter->max_rds_rings))
- return NULL;
-
- rds_ring = &recv_ctx->rds_rings[ring];
-
- index = qlcnic_get_sts_refhandle(sts_data0);
- if (unlikely(index >= rds_ring->num_desc))
- return NULL;
-
- buffer = &rds_ring->rx_buf_arr[index];
-
- length = qlcnic_get_sts_totallength(sts_data0);
- cksum = qlcnic_get_sts_status(sts_data0);
- pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
-
- skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
- if (!skb)
- return buffer;
-
- if (length > rds_ring->skb_size)
- skb_put(skb, rds_ring->skb_size);
- else
- skb_put(skb, length);
-
- if (pkt_offset)
- skb_pull(skb, pkt_offset);
-
- if (!qlcnic_check_loopback_buff(skb->data))
- adapter->diag_cnt++;
- else
- dump_skb(skb);
-
- dev_kfree_skb_any(skb);
- adapter->stats.rx_pkts++;
- adapter->stats.rxbytes += length;
-
- return buffer;
-}
-
-void
-qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring)
-{
- struct qlcnic_adapter *adapter = sds_ring->adapter;
- struct status_desc *desc;
- struct qlcnic_rx_buffer *rxbuf;
- u64 sts_data0;
-
- int opcode, ring, desc_cnt;
- u32 consumer = sds_ring->consumer;
-
- desc = &sds_ring->desc_head[consumer];
- sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
-
- if (!(sts_data0 & STATUS_OWNER_HOST))
- return;
-
- desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
- opcode = qlcnic_get_sts_opcode(sts_data0);
-
- ring = qlcnic_get_sts_type(sts_data0);
- rxbuf = qlcnic_process_rcv_diag(adapter, sds_ring,
- ring, sts_data0);
-
- desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM);
- consumer = get_next_index(consumer, sds_ring->num_desc);
-
- sds_ring->consumer = consumer;
- writel(consumer, sds_ring->crb_sts_consumer);
-}
-
void
qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2,
u8 alt_mac, u8 *mac)
projects / mv-sheeva.git / blobdiff