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-rw-r--r--drivers/net/ns83820.c69
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 @@
1#define _VERSION "0.20" 1#define VERSION "0.22"
2/* ns83820.c by Benjamin LaHaise with contributions. 2/* ns83820.c by Benjamin LaHaise with contributions.
3 * 3 *
4 * Questions/comments/discussion to linux-ns83820@kvack.org. 4 * Questions/comments/discussion to linux-ns83820@kvack.org.
@@ -63,9 +63,11 @@
63 * - fix missed txok introduced during performance 63 * - fix missed txok introduced during performance
64 * tuning 64 * tuning
65 * 0.20 - fix stupid RFEN thinko. i am such a smurf. 65 * 0.20 - fix stupid RFEN thinko. i am such a smurf.
66 *
67 * 20040828 0.21 - add hardware vlan accleration 66 * 20040828 0.21 - add hardware vlan accleration
68 * by Neil Horman <nhorman@redhat.com> 67 * by Neil Horman <nhorman@redhat.com>
68 * 20050406 0.22 - improved DAC ifdefs from Andi Kleen
69 * - removal of dead code from Adrian Bunk
70 * - fix half duplex collision behaviour
69 * Driver Overview 71 * Driver Overview
70 * =============== 72 * ===============
71 * 73 *
@@ -129,18 +131,6 @@ static int lnksts = 0; /* CFG_LNKSTS bit polarity */
129#undef Dprintk 131#undef Dprintk
130#define Dprintk dprintk 132#define Dprintk dprintk
131 133
132#if defined(CONFIG_HIGHMEM64G) || defined(__ia64__)
133#define USE_64BIT_ADDR "+"
134#endif
135
136#if defined(USE_64BIT_ADDR)
137#define VERSION _VERSION USE_64BIT_ADDR
138#define TRY_DAC 1
139#else
140#define VERSION _VERSION
141#define TRY_DAC 0
142#endif
143
144/* tunables */ 134/* tunables */
145#define RX_BUF_SIZE 1500 /* 8192 */ 135#define RX_BUF_SIZE 1500 /* 8192 */
146#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) 136#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
@@ -386,22 +376,16 @@ static int lnksts = 0; /* CFG_LNKSTS bit polarity */
386#define LINK_DOWN 0x02 376#define LINK_DOWN 0x02
387#define LINK_UP 0x04 377#define LINK_UP 0x04
388 378
389#ifdef USE_64BIT_ADDR 379#define HW_ADDR_LEN sizeof(dma_addr_t)
390#define HW_ADDR_LEN 8
391#define desc_addr_set(desc, addr) \ 380#define desc_addr_set(desc, addr) \
392 do { \ 381 do { \
393 u64 __addr = (addr); \ 382 ((desc)[0] = cpu_to_le32(addr)); \
394 (desc)[0] = cpu_to_le32(__addr); \ 383 if (HW_ADDR_LEN == 8) \
395 (desc)[1] = cpu_to_le32(__addr >> 32); \ 384 (desc)[1] = cpu_to_le32(((u64)addr) >> 32); \
396 } while(0) 385 } while(0)
397#define desc_addr_get(desc) \ 386#define desc_addr_get(desc) \
398 (((u64)le32_to_cpu((desc)[1]) << 32) \ 387 (le32_to_cpu((desc)[0]) | \
399 | le32_to_cpu((desc)[0])) 388 (HW_ADDR_LEN == 8 ? ((dma_addr_t)le32_to_cpu((desc)[1]))<<32 : 0))
400#else
401#define HW_ADDR_LEN 4
402#define desc_addr_set(desc, addr) ((desc)[0] = cpu_to_le32(addr))
403#define desc_addr_get(desc) (le32_to_cpu((desc)[0]))
404#endif
405 389
406#define DESC_LINK 0 390#define DESC_LINK 0
407#define DESC_BUFPTR (DESC_LINK + HW_ADDR_LEN/4) 391#define DESC_BUFPTR (DESC_LINK + HW_ADDR_LEN/4)
@@ -727,11 +711,23 @@ static void fastcall phy_intr(struct net_device *ndev)
727 speed = ((cfg / CFG_SPDSTS0) & 3); 711 speed = ((cfg / CFG_SPDSTS0) & 3);
728 fullduplex = (cfg & CFG_DUPSTS); 712 fullduplex = (cfg & CFG_DUPSTS);
729 713
730 if (fullduplex) 714 if (fullduplex) {
731 new_cfg |= CFG_SB; 715 new_cfg |= CFG_SB;
716 writel(readl(dev->base + TXCFG)
717 | TXCFG_CSI | TXCFG_HBI,
718 dev->base + TXCFG);
719 writel(readl(dev->base + RXCFG) | RXCFG_RX_FD,
720 dev->base + RXCFG);
721 } else {
722 writel(readl(dev->base + TXCFG)
723 & ~(TXCFG_CSI | TXCFG_HBI),
724 dev->base + TXCFG);
725 writel(readl(dev->base + RXCFG) & ~(RXCFG_RX_FD),
726 dev->base + RXCFG);
727 }
732 728
733 if ((cfg & CFG_LNKSTS) && 729 if ((cfg & CFG_LNKSTS) &&
734 ((new_cfg ^ dev->CFG_cache) & CFG_MODE_1000)) { 730 ((new_cfg ^ dev->CFG_cache) != 0)) {
735 writel(new_cfg, dev->base + CFG); 731 writel(new_cfg, dev->base + CFG);
736 dev->CFG_cache = new_cfg; 732 dev->CFG_cache = new_cfg;
737 } 733 }
@@ -1189,7 +1185,6 @@ again:
1189 1185
1190 for (;;) { 1186 for (;;) {
1191 volatile u32 *desc = dev->tx_descs + (free_idx * DESC_SIZE); 1187 volatile u32 *desc = dev->tx_descs + (free_idx * DESC_SIZE);
1192 u32 residue = 0;
1193 1188
1194 dprintk("frag[%3u]: %4u @ 0x%08Lx\n", free_idx, len, 1189 dprintk("frag[%3u]: %4u @ 0x%08Lx\n", free_idx, len,
1195 (unsigned long long)buf); 1190 (unsigned long long)buf);
@@ -1199,17 +1194,11 @@ again:
1199 desc_addr_set(desc + DESC_BUFPTR, buf); 1194 desc_addr_set(desc + DESC_BUFPTR, buf);
1200 desc[DESC_EXTSTS] = cpu_to_le32(extsts); 1195 desc[DESC_EXTSTS] = cpu_to_le32(extsts);
1201 1196
1202 cmdsts = ((nr_frags|residue) ? CMDSTS_MORE : do_intr ? CMDSTS_INTR : 0); 1197 cmdsts = ((nr_frags) ? CMDSTS_MORE : do_intr ? CMDSTS_INTR : 0);
1203 cmdsts |= (desc == first_desc) ? 0 : CMDSTS_OWN; 1198 cmdsts |= (desc == first_desc) ? 0 : CMDSTS_OWN;
1204 cmdsts |= len; 1199 cmdsts |= len;
1205 desc[DESC_CMDSTS] = cpu_to_le32(cmdsts); 1200 desc[DESC_CMDSTS] = cpu_to_le32(cmdsts);
1206 1201
1207 if (residue) {
1208 buf += len;
1209 len = residue;
1210 continue;
1211 }
1212
1213 if (!nr_frags) 1202 if (!nr_frags)
1214 break; 1203 break;
1215 1204
@@ -1841,7 +1830,8 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev, const struct pci_
1841 int using_dac = 0; 1830 int using_dac = 0;
1842 1831
1843 /* See if we can set the dma mask early on; failure is fatal. */ 1832 /* See if we can set the dma mask early on; failure is fatal. */
1844 if (TRY_DAC && !pci_set_dma_mask(pci_dev, 0xffffffffffffffffULL)) { 1833 if (sizeof(dma_addr_t) == 8 &&
1834 !pci_set_dma_mask(pci_dev, 0xffffffffffffffffULL)) {
1845 using_dac = 1; 1835 using_dac = 1;
1846 } else if (!pci_set_dma_mask(pci_dev, 0xffffffff)) { 1836 } else if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
1847 using_dac = 0; 1837 using_dac = 0;
@@ -1972,9 +1962,8 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev, const struct pci_
1972 /* When compiled with 64 bit addressing, we must always enable 1962 /* When compiled with 64 bit addressing, we must always enable
1973 * the 64 bit descriptor format. 1963 * the 64 bit descriptor format.
1974 */ 1964 */
1975#ifdef USE_64BIT_ADDR 1965 if (sizeof(dma_addr_t) == 8)
1976 dev->CFG_cache |= CFG_M64ADDR; 1966 dev->CFG_cache |= CFG_M64ADDR;
1977#endif
1978 if (using_dac) 1967 if (using_dac)
1979 dev->CFG_cache |= CFG_T64ADDR; 1968 dev->CFG_cache |= CFG_T64ADDR;
1980 1969