Automatic merge of /spare/repo/netdev-2.6 branch ns83820
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index 2fcc181..c336b46 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1,4 +1,4 @@
-#define _VERSION "0.20"
+#define VERSION "0.22"
/* ns83820.c by Benjamin LaHaise with contributions.
*
* Questions/comments/discussion to linux-ns83820@kvack.org.
@@ -63,9 +63,11 @@
* - fix missed txok introduced during performance
* tuning
* 0.20 - fix stupid RFEN thinko. i am such a smurf.
- *
* 20040828 0.21 - add hardware vlan accleration
* by Neil Horman <nhorman@redhat.com>
+ * 20050406 0.22 - improved DAC ifdefs from Andi Kleen
+ * - removal of dead code from Adrian Bunk
+ * - fix half duplex collision behaviour
* Driver Overview
* ===============
*
@@ -129,18 +131,6 @@
#undef Dprintk
#define Dprintk dprintk
-#if defined(CONFIG_HIGHMEM64G) || defined(__ia64__)
-#define USE_64BIT_ADDR "+"
-#endif
-
-#if defined(USE_64BIT_ADDR)
-#define VERSION _VERSION USE_64BIT_ADDR
-#define TRY_DAC 1
-#else
-#define VERSION _VERSION
-#define TRY_DAC 0
-#endif
-
/* tunables */
#define RX_BUF_SIZE 1500 /* 8192 */
#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
@@ -386,22 +376,16 @@
#define LINK_DOWN 0x02
#define LINK_UP 0x04
-#ifdef USE_64BIT_ADDR
-#define HW_ADDR_LEN 8
+#define HW_ADDR_LEN sizeof(dma_addr_t)
#define desc_addr_set(desc, addr) \
do { \
- u64 __addr = (addr); \
- (desc)[0] = cpu_to_le32(__addr); \
- (desc)[1] = cpu_to_le32(__addr >> 32); \
+ ((desc)[0] = cpu_to_le32(addr)); \
+ if (HW_ADDR_LEN == 8) \
+ (desc)[1] = cpu_to_le32(((u64)addr) >> 32); \
} while(0)
#define desc_addr_get(desc) \
- (((u64)le32_to_cpu((desc)[1]) << 32) \
- | le32_to_cpu((desc)[0]))
-#else
-#define HW_ADDR_LEN 4
-#define desc_addr_set(desc, addr) ((desc)[0] = cpu_to_le32(addr))
-#define desc_addr_get(desc) (le32_to_cpu((desc)[0]))
-#endif
+ (le32_to_cpu((desc)[0]) | \
+ (HW_ADDR_LEN == 8 ? ((dma_addr_t)le32_to_cpu((desc)[1]))<<32 : 0))
#define DESC_LINK 0
#define DESC_BUFPTR (DESC_LINK + HW_ADDR_LEN/4)
@@ -727,11 +711,23 @@
speed = ((cfg / CFG_SPDSTS0) & 3);
fullduplex = (cfg & CFG_DUPSTS);
- if (fullduplex)
+ if (fullduplex) {
new_cfg |= CFG_SB;
+ writel(readl(dev->base + TXCFG)
+ | TXCFG_CSI | TXCFG_HBI,
+ dev->base + TXCFG);
+ writel(readl(dev->base + RXCFG) | RXCFG_RX_FD,
+ dev->base + RXCFG);
+ } else {
+ writel(readl(dev->base + TXCFG)
+ & ~(TXCFG_CSI | TXCFG_HBI),
+ dev->base + TXCFG);
+ writel(readl(dev->base + RXCFG) & ~(RXCFG_RX_FD),
+ dev->base + RXCFG);
+ }
if ((cfg & CFG_LNKSTS) &&
- ((new_cfg ^ dev->CFG_cache) & CFG_MODE_1000)) {
+ ((new_cfg ^ dev->CFG_cache) != 0)) {
writel(new_cfg, dev->base + CFG);
dev->CFG_cache = new_cfg;
}
@@ -1189,7 +1185,6 @@
for (;;) {
volatile u32 *desc = dev->tx_descs + (free_idx * DESC_SIZE);
- u32 residue = 0;
dprintk("frag[%3u]: %4u @ 0x%08Lx\n", free_idx, len,
(unsigned long long)buf);
@@ -1199,17 +1194,11 @@
desc_addr_set(desc + DESC_BUFPTR, buf);
desc[DESC_EXTSTS] = cpu_to_le32(extsts);
- cmdsts = ((nr_frags|residue) ? CMDSTS_MORE : do_intr ? CMDSTS_INTR : 0);
+ cmdsts = ((nr_frags) ? CMDSTS_MORE : do_intr ? CMDSTS_INTR : 0);
cmdsts |= (desc == first_desc) ? 0 : CMDSTS_OWN;
cmdsts |= len;
desc[DESC_CMDSTS] = cpu_to_le32(cmdsts);
- if (residue) {
- buf += len;
- len = residue;
- continue;
- }
-
if (!nr_frags)
break;
@@ -1841,7 +1830,8 @@
int using_dac = 0;
/* See if we can set the dma mask early on; failure is fatal. */
- if (TRY_DAC && !pci_set_dma_mask(pci_dev, 0xffffffffffffffffULL)) {
+ if (sizeof(dma_addr_t) == 8 &&
+ !pci_set_dma_mask(pci_dev, 0xffffffffffffffffULL)) {
using_dac = 1;
} else if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
using_dac = 0;
@@ -1972,9 +1962,8 @@
/* When compiled with 64 bit addressing, we must always enable
* the 64 bit descriptor format.
*/
-#ifdef USE_64BIT_ADDR
- dev->CFG_cache |= CFG_M64ADDR;
-#endif
+ if (sizeof(dma_addr_t) == 8)
+ dev->CFG_cache |= CFG_M64ADDR;
if (using_dac)
dev->CFG_cache |= CFG_T64ADDR;