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[netdrvr starfire] Add GPL'd firmware, remove compat code

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Contributed by Ion Badulescu <ionut@badula.org>,
  further fixed up by me.
This commit is contained in:
Jeff Garzik
2005-05-12 20:16:24 -04:00
parent 88d7bd8cb9
commit fdecea6668
2 changed files with 386 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

142
drivers/net/starfire.c
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@@ -2,7 +2,7 @@
/*
Written 1998-2000 by Donald Becker.
Current maintainer is Ion Badulescu <ionut@cs.columbia.edu>. Please
Current maintainer is Ion Badulescu <ionut ta badula tod org>. Please
send all bug reports to me, and not to Donald Becker, as this code
has been heavily modified from Donald's original version.
@@ -129,12 +129,18 @@
- put the chip to a D3 slumber on driver unload
- added config option to enable/disable NAPI
TODO: bugfixes (no bugs known as of right now)
LK1.4.2 (Ion Badulescu)
- finally added firmware (GPL'ed by Adaptec)
- removed compatibility code for 2.2.x
TODO: - fix forced speed/duplexing code (broken a long time ago, when
somebody converted the driver to use the generic MII code)
- fix VLAN support
*/
#define DRV_NAME "starfire"
#define DRV_VERSION "1.03+LK1.4.1"
#define DRV_RELDATE "February 10, 2002"
#define DRV_VERSION "1.03+LK1.4.2"
#define DRV_RELDATE "January 19, 2005"
#include <linux/config.h>
#include <linux/version.h>
@@ -145,25 +151,15 @@ TODO: bugfixes (no bugs known as of right now)
#include <linux/etherdevice.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/crc32.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
#include <asm/processor.h> /* Processor type for cache alignment. */
#include <asm/uaccess.h>
#include <asm/io.h>
/*
* Adaptec's license for their drivers (which is where I got the
* firmware files) does not allow one to redistribute them. Thus, we can't
* include the firmware with this driver.
*
* However, should a legal-to-distribute firmware become available,
* the driver developer would need only to obtain the firmware in the
* form of a C header file.
* Once that's done, the #undef below must be changed into a #define
* for this driver to really use the firmware. Note that Rx/Tx
* hardware TCP checksumming is not possible without the firmware.
*
* WANTED: legal firmware to include with this GPL'd driver.
*/
#undef HAS_FIRMWARE
#include "starfire_firmware.h"
/*
* The current frame processor firmware fails to checksum a fragment
* of length 1. If and when this is fixed, the #define below can be removed.
@@ -172,13 +168,7 @@ TODO: bugfixes (no bugs known as of right now)
/*
* Define this if using the driver with the zero-copy patch
*/
#if defined(HAS_FIRMWARE) && defined(MAX_SKB_FRAGS)
#define ZEROCOPY
#endif
#ifdef HAS_FIRMWARE
#include "starfire_firmware.h"
#endif /* HAS_FIRMWARE */
#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
#define VLAN_SUPPORT
@@ -202,11 +192,7 @@ static int mtu;
The Starfire has a 512 element hash table based on the Ethernet CRC. */
static int multicast_filter_limit = 512;
/* Whether to do TCP/UDP checksums in hardware */
#ifdef HAS_FIRMWARE
static int enable_hw_cksum = 1;
#else
static int enable_hw_cksum = 0;
#endif
#define PKT_BUF_SZ 1536 /* Size of each temporary Rx buffer.*/
/*
@@ -291,43 +277,15 @@ static int full_duplex[MAX_UNITS] = {0, };
#define RX_DESC_ADDR_SIZE RxDescAddr32bit
#endif
#ifdef MAX_SKB_FRAGS
#define skb_first_frag_len(skb) skb_headlen(skb)
#define skb_num_frags(skb) (skb_shinfo(skb)->nr_frags + 1)
#else /* not MAX_SKB_FRAGS */
#define skb_first_frag_len(skb) (skb->len)
#define skb_num_frags(skb) 1
#endif /* not MAX_SKB_FRAGS */
/* 2.2.x compatibility code */
#if LINUX_VERSION_CODE < 0x20300
#include "starfire-kcomp22.h"
#else /* LINUX_VERSION_CODE > 0x20300 */
#include <linux/crc32.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
#define init_tx_timer(dev, func, timeout) \
dev->tx_timeout = func; \
dev->watchdog_timeo = timeout;
#define kick_tx_timer(dev, func, timeout)
#define netif_start_if(dev)
#define netif_stop_if(dev)
#define PCI_SLOT_NAME(pci_dev) pci_name(pci_dev)
#endif /* LINUX_VERSION_CODE > 0x20300 */
#ifdef HAVE_NETDEV_POLL
#define init_poll(dev) \
do { \
dev->poll = &netdev_poll; \
dev->weight = max_interrupt_work;
dev->weight = max_interrupt_work; \
} while (0)
#define netdev_rx(dev, ioaddr) \
do { \
u32 intr_enable; \
@@ -341,7 +299,7 @@ do { \
/* Paranoia check */ \
intr_enable = readl(ioaddr + IntrEnable); \
if (intr_enable & (IntrRxDone | IntrRxEmpty)) { \
printk("%s: interrupt while in polling mode!\n", dev->name); \
printk(KERN_INFO "%s: interrupt while in polling mode!\n", dev->name); \
intr_enable &= ~(IntrRxDone | IntrRxEmpty); \
writel(intr_enable, ioaddr + IntrEnable); \
} \
@@ -371,6 +329,7 @@ KERN_INFO " (unofficial 2.2/2.4 kernel port, version " DRV_VERSION ", " DRV_RELD
MODULE_AUTHOR("Donald Becker <becker@scyld.com>");
MODULE_DESCRIPTION("Adaptec Starfire Ethernet driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
module_param(max_interrupt_work, int, 0);
module_param(mtu, int, 0);
@@ -425,7 +384,7 @@ on the 32/64 bitness of the architecture), and relies on automatic
minimum-length padding. It does not use the completion queue
consumer index, but instead checks for non-zero status entries.
For receive this driver uses type 0/1/2/3 receive descriptors. The driver
For receive this driver uses type 2/3 receive descriptors. The driver
allocates full frame size skbuffs for the Rx ring buffers, so all frames
should fit in a single descriptor. The driver does not use the completion
queue consumer index, but instead checks for non-zero status entries.
@@ -476,7 +435,7 @@ IVc. Errata
*/
enum chip_capability_flags {CanHaveMII=1, };
@@ -670,7 +629,6 @@ struct full_rx_done_desc {
u32 timestamp;
};
/* XXX: this is ugly and I'm not sure it's worth the trouble -Ion */
#ifdef HAS_FIRMWARE
#ifdef VLAN_SUPPORT
typedef struct full_rx_done_desc rx_done_desc;
#define RxComplType RxComplType3
@@ -678,15 +636,6 @@ typedef struct full_rx_done_desc rx_done_desc;
typedef struct csum_rx_done_desc rx_done_desc;
#define RxComplType RxComplType2
#endif /* not VLAN_SUPPORT */
#else /* not HAS_FIRMWARE */
#ifdef VLAN_SUPPORT
typedef struct basic_rx_done_desc rx_done_desc;
#define RxComplType RxComplType1
#else /* not VLAN_SUPPORT */
typedef struct short_rx_done_desc rx_done_desc;
#define RxComplType RxComplType0
#endif /* not VLAN_SUPPORT */
#endif /* not HAS_FIRMWARE */
enum rx_done_bits {
RxOK=0x20000000, RxFIFOErr=0x10000000, RxBufQ2=0x08000000,
@@ -898,13 +847,10 @@ static int __devinit starfire_init_one(struct pci_dev *pdev,
/* enable MWI -- it vastly improves Rx performance on sparc64 */
pci_set_mwi(pdev);
#ifdef MAX_SKB_FRAGS
dev->features |= NETIF_F_SG;
#endif /* MAX_SKB_FRAGS */
#ifdef ZEROCOPY
/* Starfire can do TCP/UDP checksumming */
if (enable_hw_cksum)
dev->features |= NETIF_F_IP_CSUM;
dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
#endif /* ZEROCOPY */
#ifdef VLAN_SUPPORT
dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
@@ -1008,7 +954,8 @@ static int __devinit starfire_init_one(struct pci_dev *pdev,
/* The chip-specific entries in the device structure. */
dev->open = &netdev_open;
dev->hard_start_xmit = &start_tx;
init_tx_timer(dev, tx_timeout, TX_TIMEOUT);
dev->tx_timeout = tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
init_poll(dev);
dev->stop = &netdev_close;
dev->get_stats = &get_stats;
@@ -1039,7 +986,7 @@ static int __devinit starfire_init_one(struct pci_dev *pdev,
if ((mdio_read(dev, phy, MII_BMCR) & BMCR_RESET) == 0)
break;
if (boguscnt == 0) {
printk("%s: PHY reset never completed!\n", dev->name);
printk("%s: PHY#%d reset never completed!\n", dev->name, phy);
continue;
}
mii_status = mdio_read(dev, phy, MII_BMSR);
@@ -1110,6 +1057,7 @@ static int netdev_open(struct net_device *dev)
size_t tx_done_q_size, rx_done_q_size, tx_ring_size, rx_ring_size;
/* Do we ever need to reset the chip??? */
retval = request_irq(dev->irq, &intr_handler, SA_SHIRQ, dev->name, dev);
if (retval)
return retval;
@@ -1211,7 +1159,6 @@ static int netdev_open(struct net_device *dev)
writel(np->intr_timer_ctrl, ioaddr + IntrTimerCtrl);
netif_start_if(dev);
netif_start_queue(dev);
if (debug > 1)
@@ -1238,13 +1185,11 @@ static int netdev_open(struct net_device *dev)
writel(ETH_P_8021Q, ioaddr + VlanType);
#endif /* VLAN_SUPPORT */
#ifdef HAS_FIRMWARE
/* Load Rx/Tx firmware into the frame processors */
for (i = 0; i < FIRMWARE_RX_SIZE * 2; i++)
writel(firmware_rx[i], ioaddr + RxGfpMem + i * 4);
for (i = 0; i < FIRMWARE_TX_SIZE * 2; i++)
writel(firmware_tx[i], ioaddr + TxGfpMem + i * 4);
#endif /* HAS_FIRMWARE */
if (enable_hw_cksum)
/* Enable the Rx and Tx units, and the Rx/Tx frame processors. */
writel(TxEnable|TxGFPEnable|RxEnable|RxGFPEnable, ioaddr + GenCtrl);
@@ -1378,8 +1323,6 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
u32 status;
int i;
kick_tx_timer(dev, tx_timeout, TX_TIMEOUT);
/*
* be cautious here, wrapping the queue has weird semantics
* and we may not have enough slots even when it seems we do.
@@ -1404,7 +1347,7 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
}
if (has_bad_length)
skb_checksum_help(skb);
skb_checksum_help(skb, 0);
}
#endif /* ZEROCOPY && HAS_BROKEN_FIRMWARE */
@@ -1433,12 +1376,10 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
np->tx_info[entry].mapping =
pci_map_single(np->pci_dev, skb->data, skb_first_frag_len(skb), PCI_DMA_TODEVICE);
} else {
#ifdef MAX_SKB_FRAGS
skb_frag_t *this_frag = &skb_shinfo(skb)->frags[i - 1];
status |= this_frag->size;
np->tx_info[entry].mapping =
pci_map_single(np->pci_dev, page_address(this_frag->page) + this_frag->page_offset, this_frag->size, PCI_DMA_TODEVICE);
#endif /* MAX_SKB_FRAGS */
}
np->tx_ring[entry].addr = cpu_to_dma(np->tx_info[entry].mapping);
@@ -1531,7 +1472,6 @@ static irqreturn_t intr_handler(int irq, void *dev_instance, struct pt_regs *rgs
np->tx_info[entry].mapping = 0;
np->dirty_tx += np->tx_info[entry].used_slots;
entry = (entry + np->tx_info[entry].used_slots) % TX_RING_SIZE;
#ifdef MAX_SKB_FRAGS
{
int i;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
@@ -1543,7 +1483,7 @@ static irqreturn_t intr_handler(int irq, void *dev_instance, struct pt_regs *rgs
entry++;
}
}
#endif /* MAX_SKB_FRAGS */
dev_kfree_skb_irq(skb);
}
np->tx_done_q[np->tx_done].status = 0;
@@ -1603,7 +1543,7 @@ static int __netdev_rx(struct net_device *dev, int *quota)
if (debug > 4)
printk(KERN_DEBUG " netdev_rx() status of %d was %#8.8x.\n", np->rx_done, desc_status);
if (!(desc_status & RxOK)) {
/* There was a error. */
/* There was an error. */
if (debug > 2)
printk(KERN_DEBUG " netdev_rx() Rx error was %#8.8x.\n", desc_status);
np->stats.rx_errors++;
@@ -1656,11 +1596,10 @@ static int __netdev_rx(struct net_device *dev, int *quota)
#endif
skb->protocol = eth_type_trans(skb, dev);
#if defined(HAS_FIRMWARE) || defined(VLAN_SUPPORT)
#ifdef VLAN_SUPPORT
if (debug > 4)
printk(KERN_DEBUG " netdev_rx() status2 of %d was %#4.4x.\n", np->rx_done, le16_to_cpu(desc->status2));
#endif
#ifdef HAS_FIRMWARE
if (le16_to_cpu(desc->status2) & 0x0100) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
np->stats.rx_compressed++;
@@ -1679,7 +1618,6 @@ static int __netdev_rx(struct net_device *dev, int *quota)
skb->csum = le16_to_cpu(desc->csum);
printk(KERN_DEBUG "%s: checksum_hw, status2 = %#x\n", dev->name, le16_to_cpu(desc->status2));
}
#endif /* HAS_FIRMWARE */
#ifdef VLAN_SUPPORT
if (np->vlgrp && le16_to_cpu(desc->status2) & 0x0200) {
if (debug > 4)
@@ -1900,9 +1838,6 @@ static struct net_device_stats *get_stats(struct net_device *dev)
}
/* Chips may use the upper or lower CRC bits, and may reverse and/or invert
them. Select the endian-ness that results in minimal calculations.
*/
static void set_rx_mode(struct net_device *dev)
{
struct netdev_private *np = netdev_priv(dev);
@@ -1969,6 +1904,8 @@ static void set_rx_mode(struct net_device *dev)
memset(mc_filter, 0, sizeof(mc_filter));
for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
i++, mclist = mclist->next) {
/* The chip uses the upper 9 CRC bits
as index into the hash table */
int bit_nr = ether_crc_le(ETH_ALEN, mclist->dmi_addr) >> 23;
__u32 *fptr = (__u32 *) &mc_filter[(bit_nr >> 4) & ~1];
@@ -2001,7 +1938,7 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
struct netdev_private *np = netdev_priv(dev);
strcpy(info->driver, DRV_NAME);
strcpy(info->version, DRV_VERSION);
strcpy(info->bus_info, PCI_SLOT_NAME(np->pci_dev));
strcpy(info->bus_info, pci_name(np->pci_dev));
}
static int get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
@@ -2083,7 +2020,6 @@ static int netdev_close(struct net_device *dev)
int i;
netif_stop_queue(dev);
netif_stop_if(dev);
if (debug > 1) {
printk(KERN_DEBUG "%s: Shutting down ethercard, Intr status %#8.8x.\n",
@@ -2184,7 +2120,13 @@ static int __init starfire_init (void)
/* when a module, this is printed whether or not devices are found in probe */
#ifdef MODULE
printk(version);
#ifdef HAVE_NETDEV_POLL
printk(KERN_INFO DRV_NAME ": polling (NAPI) enabled\n");
#else
printk(KERN_INFO DRV_NAME ": polling (NAPI) disabled\n");
#endif
#endif
#ifndef ADDR_64BITS
/* we can do this test only at run-time... sigh */
if (sizeof(dma_addr_t) == sizeof(u64)) {
@@ -2192,10 +2134,6 @@ static int __init starfire_init (void)
return -ENODEV;
}
#endif /* not ADDR_64BITS */
#ifndef HAS_FIRMWARE
/* unconditionally disable hw cksums if firmware is not present */
enable_hw_cksum = 0;
#endif /* not HAS_FIRMWARE */
return pci_module_init (&starfire_driver);
}