/*******************************************************************************
-
- Copyright(c) 1999 - 2004 Intel 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
+ Intel PRO/10GbE Linux driver
+ Copyright(c) 1999 - 2006 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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 LICENSE.
-
+ this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
Contact Information:
Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#define _IXGB_H_
#include <linux/stddef.h>
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/pagemap.h>
#include <linux/dma-mapping.h>
-#include <asm/bitops.h>
+#include <linux/bitops.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <linux/capability.h>
#define IXGB_DBG(args...)
#endif
-#define IXGB_ERR(args...) printk(KERN_ERR "ixgb: " args)
+#define PFX "ixgb: "
+#define DPRINTK(nlevel, klevel, fmt, args...) \
+ (void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
+ printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
+ __FUNCTION__ , ## args))
+
+
+/* TX/RX descriptor defines */
+#define DEFAULT_TXD 256
+#define MAX_TXD 4096
+#define MIN_TXD 64
+
+/* hardware cannot reliably support more than 512 descriptors owned by
+ * hardware descrioptor cache otherwise an unreliable ring under heavy
+ * recieve load may result */
+/* #define DEFAULT_RXD 1024 */
+/* #define MAX_RXD 4096 */
+#define DEFAULT_RXD 512
+#define MAX_RXD 512
+#define MIN_RXD 64
/* Supported Rx Buffer Sizes */
#define IXGB_RXBUFFER_2048 2048
#define IXGB_RXBUFFER_8192 8192
#define IXGB_RXBUFFER_16384 16384
-/* How many Tx Descriptors do we need to call netif_wake_queue? */
-#define IXGB_TX_QUEUE_WAKE 16
-
/* How many Rx Buffers do we bundle into one write to the hardware ? */
-#define IXGB_RX_BUFFER_WRITE 16 /* Must be power of 2 */
+#define IXGB_RX_BUFFER_WRITE 8 /* Must be power of 2 */
/* only works for sizes that are powers of 2 */
#define IXGB_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1)))
* so a DMA handle can be stored along with the buffer */
struct ixgb_buffer {
struct sk_buff *skb;
- uint64_t dma;
- unsigned long length;
+ dma_addr_t dma;
unsigned long time_stamp;
- unsigned int next_to_watch;
+ uint16_t length;
+ uint16_t next_to_watch;
};
struct ixgb_desc_ring {
unsigned long led_status;
/* TX */
- struct ixgb_desc_ring tx_ring;
+ struct ixgb_desc_ring tx_ring ____cacheline_aligned_in_smp;
+ unsigned int restart_queue;
unsigned long timeo_start;
uint32_t tx_cmd_type;
uint64_t hw_csum_tx_good;
uint64_t hw_csum_tx_error;
uint32_t tx_int_delay;
+ uint32_t tx_timeout_count;
boolean_t tx_int_delay_enable;
+ boolean_t detect_tx_hung;
/* RX */
struct ixgb_desc_ring rx_ring;
uint64_t hw_csum_rx_error;
uint64_t hw_csum_rx_good;
uint32_t rx_int_delay;
- boolean_t raidc;
boolean_t rx_csum;
/* OS defined structs */
/* structs defined in ixgb_hw.h */
struct ixgb_hw hw;
+ u16 msg_enable;
struct ixgb_hw_stats stats;
- uint32_t pci_state[16];
+ uint32_t alloc_rx_buff_failed;
+#ifdef CONFIG_PCI_MSI
+ boolean_t have_msi;
+#endif
};
-#endif /* _IXGB_H_ */
+#endif /* _IXGB_H_ */
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