diff options
| -rw-r--r-- | drivers/net/ns83820.c | 69 |
1 files changed, 29 insertions, 40 deletions
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c index 2fcc181a8624..c336b46bd332 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 @@ static int lnksts = 0; /* CFG_LNKSTS bit polarity */ #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 @@ static int lnksts = 0; /* CFG_LNKSTS bit polarity */ #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 @@ static void fastcall phy_intr(struct net_device *ndev) 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 @@ again: 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 @@ again: 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 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev, const struct pci_ 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 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev, const struct pci_ /* 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; |