diff options
Diffstat (limited to 'target/linux/ixp4xx-2.6/patches/178-via_velocity_bigendian.patch')
| -rw-r--r-- | target/linux/ixp4xx-2.6/patches/178-via_velocity_bigendian.patch | 927 |
1 files changed, 0 insertions, 927 deletions
diff --git a/target/linux/ixp4xx-2.6/patches/178-via_velocity_bigendian.patch b/target/linux/ixp4xx-2.6/patches/178-via_velocity_bigendian.patch deleted file mode 100644 index bfff46522..000000000 --- a/target/linux/ixp4xx-2.6/patches/178-via_velocity_bigendian.patch +++ /dev/null @@ -1,927 +0,0 @@ -Index: linux-2.6.20-rc3/drivers/net/via-velocity.c -=================================================================== ---- linux-2.6.20-rc3.orig/drivers/net/via-velocity.c 2007-01-02 10:30:25.892465963 +0000 -+++ linux-2.6.20-rc3/drivers/net/via-velocity.c 2007-01-02 10:30:36.261113964 +0000 -@@ -96,11 +96,31 @@ - MODULE_LICENSE("GPL"); - MODULE_DESCRIPTION("VIA Networking Velocity Family Gigabit Ethernet Adapter Driver"); - -+/* Valid values for vdebug (additive, this is a bitmask): -+ * 0x00 => off -+ * 0x01 => always on -+ * 0x02 => additional detail on tx (rx, too, if anyone implements same) -+ * 0x04 => detail the initialization process -+ * 0x08 => spot debug detail; to be used as developers see fit -+ */ -+static int vdebug = 0; -+ -+/* HAIL - these macros are for the normal 0x01-type tracing... */ -+#define HAIL(S) \ -+ if (vdebug&1) printk(KERN_NOTICE "%s\n", (S)); -+#define HAILS(S,T) \ -+ if (vdebug&1) printk(KERN_NOTICE "%s -> status=0x%x\n", (S), (T)); -+ - #define VELOCITY_PARAM(N,D) \ - static int N[MAX_UNITS]=OPTION_DEFAULT;\ - module_param_array(N, int, NULL, 0); \ - MODULE_PARM_DESC(N, D); - -+#define VELO_DEBUG_MIN 0 -+#define VELO_DEBUG_MAX 255 -+#define VELO_DEBUG_DEF 0 -+VELOCITY_PARAM(velo_debug, "Debug level"); -+ - #define RX_DESC_MIN 64 - #define RX_DESC_MAX 255 - #define RX_DESC_DEF 64 -@@ -385,12 +405,12 @@ - if (val == -1) - *opt = def; - else if (val < min || val > max) { -- VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: the value of parameter %s is invalid, the valid range is (%d-%d)\n", -- devname, name, min, max); -+ VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "via-velocity: the value of parameter %s is invalid, the valid range is (%d-%d)\n", -+ name, min, max); - *opt = def; - } else { -- VELOCITY_PRT(MSG_LEVEL_INFO, KERN_INFO "%s: set value of parameter %s to %d\n", -- devname, name, val); -+ VELOCITY_PRT(MSG_LEVEL_INFO, KERN_INFO "via-velocity: set value of parameter %s to %d\n", -+ name, val); - *opt = val; - } - } -@@ -415,12 +435,12 @@ - if (val == -1) - *opt |= (def ? flag : 0); - else if (val < 0 || val > 1) { -- printk(KERN_NOTICE "%s: the value of parameter %s is invalid, the valid range is (0-1)\n", -- devname, name); -+ printk(KERN_NOTICE "via-velocity: the value of parameter %s is invalid, the valid range is (0-1)\n", -+ name); - *opt |= (def ? flag : 0); - } else { -- printk(KERN_INFO "%s: set parameter %s to %s\n", -- devname, name, val ? "TRUE" : "FALSE"); -+ printk(KERN_INFO "via-velocity: set parameter %s to %s\n", -+ name, val ? "TRUE" : "FALSE"); - *opt |= (val ? flag : 0); - } - } -@@ -438,6 +458,7 @@ - static void __devinit velocity_get_options(struct velocity_opt *opts, int index, char *devname) - { - -+ velocity_set_int_opt(&opts->velo_debug, velo_debug[index], VELO_DEBUG_MIN, VELO_DEBUG_MAX, VELO_DEBUG_DEF, "velo_debug", devname); - velocity_set_int_opt(&opts->rx_thresh, rx_thresh[index], RX_THRESH_MIN, RX_THRESH_MAX, RX_THRESH_DEF, "rx_thresh", devname); - velocity_set_int_opt(&opts->DMA_length, DMA_length[index], DMA_LENGTH_MIN, DMA_LENGTH_MAX, DMA_LENGTH_DEF, "DMA_length", devname); - velocity_set_int_opt(&opts->numrx, RxDescriptors[index], RX_DESC_MIN, RX_DESC_MAX, RX_DESC_DEF, "RxDescriptors", devname); -@@ -452,6 +473,7 @@ - velocity_set_int_opt((int *) &opts->wol_opts, wol_opts[index], WOL_OPT_MIN, WOL_OPT_MAX, WOL_OPT_DEF, "Wake On Lan options", devname); - velocity_set_int_opt((int *) &opts->int_works, int_works[index], INT_WORKS_MIN, INT_WORKS_MAX, INT_WORKS_DEF, "Interrupt service works", devname); - opts->numrx = (opts->numrx & ~3); -+ vdebug = opts->velo_debug; - } - - /** -@@ -466,6 +488,8 @@ - { - struct mac_regs __iomem * regs = vptr->mac_regs; - -+ HAIL("velocity_init_cam_filter"); -+ - /* Turn on MCFG_PQEN, turn off MCFG_RTGOPT */ - WORD_REG_BITS_SET(MCFG_PQEN, MCFG_RTGOPT, ®s->MCFG); - WORD_REG_BITS_ON(MCFG_VIDFR, ®s->MCFG); -@@ -484,14 +508,12 @@ - WORD_REG_BITS_ON(MCFG_RTGOPT, ®s->MCFG); - - mac_set_cam(regs, 0, (u8 *) & (vptr->options.vid), VELOCITY_VLAN_ID_CAM); -- vptr->vCAMmask[0] |= 1; -- mac_set_cam_mask(regs, vptr->vCAMmask, VELOCITY_VLAN_ID_CAM); - } else { - u16 temp = 0; - mac_set_cam(regs, 0, (u8 *) &temp, VELOCITY_VLAN_ID_CAM); -- temp = 1; -- mac_set_cam_mask(regs, (u8 *) &temp, VELOCITY_VLAN_ID_CAM); - } -+ vptr->vCAMmask[0] |= 1; -+ mac_set_cam_mask(regs, vptr->vCAMmask, VELOCITY_VLAN_ID_CAM); - } - - /** -@@ -508,13 +530,15 @@ - struct mac_regs __iomem * regs = vptr->mac_regs; - int i; - -+ HAIL("velocity_rx_reset"); - vptr->rd_dirty = vptr->rd_filled = vptr->rd_curr = 0; - - /* - * Init state, all RD entries belong to the NIC - */ - for (i = 0; i < vptr->options.numrx; ++i) -- vptr->rd_ring[i].rdesc0.owner = OWNED_BY_NIC; -+ /* vptr->rd_ring[i].rdesc0.owner = OWNED_BY_NIC; BE */ -+ vptr->rd_ring[i].rdesc0 |= cpu_to_le32(BE_OWNED_BY_NIC); /* BE */ - - writew(vptr->options.numrx, ®s->RBRDU); - writel(vptr->rd_pool_dma, ®s->RDBaseLo); -@@ -537,12 +561,15 @@ - struct mac_regs __iomem * regs = vptr->mac_regs; - int i, mii_status; - -+ if (vdebug&5) printk(KERN_NOTICE "velocity_init_registers: entering\n"); -+ - mac_wol_reset(regs); - - switch (type) { - case VELOCITY_INIT_RESET: - case VELOCITY_INIT_WOL: - -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: RESET or WOL\n"); - netif_stop_queue(vptr->dev); - - /* -@@ -570,12 +597,13 @@ - - case VELOCITY_INIT_COLD: - default: -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: COLD or default\n"); - /* - * Do reset - */ - velocity_soft_reset(vptr); -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: soft reset complete.\n"); - mdelay(5); -- - mac_eeprom_reload(regs); - for (i = 0; i < 6; i++) { - writeb(vptr->dev->dev_addr[i], &(regs->PAR[i])); -@@ -593,11 +621,16 @@ - */ - BYTE_REG_BITS_SET(CFGB_OFSET, (CFGB_CRANDOM | CFGB_CAP | CFGB_MBA | CFGB_BAKOPT), ®s->CFGB); - -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: Initializing CAM filter\n"); - /* - * Init CAM filter - */ -+ if (vdebug&8) printk(KERN_NOTICE "velocity: spot debug: about to init CAM filters\n"); -+ mdelay(5); /* MJW - ARM processors, kernel 2.6.19 - this fixes oopses and hangs */ - velocity_init_cam_filter(vptr); -+ if (vdebug&8) printk(KERN_NOTICE "velocity: spot debug: init CAM filters complete\n"); - -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: Setting packet filter\n"); - /* - * Set packet filter: Receive directed and broadcast address - */ -@@ -607,10 +640,12 @@ - * Enable MII auto-polling - */ - enable_mii_autopoll(regs); -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: enable_mii_autopoll complete.\n"); - - vptr->int_mask = INT_MASK_DEF; - -- writel(cpu_to_le32(vptr->rd_pool_dma), ®s->RDBaseLo); -+ /* writel(cpu_to_le32(vptr->rd_pool_dma), ®s->RDBaseLo); BE */ -+ writel((vptr->rd_pool_dma), ®s->RDBaseLo); /* BE */ - writew(vptr->options.numrx - 1, ®s->RDCSize); - mac_rx_queue_run(regs); - mac_rx_queue_wake(regs); -@@ -618,10 +653,13 @@ - writew(vptr->options.numtx - 1, ®s->TDCSize); - - for (i = 0; i < vptr->num_txq; i++) { -- writel(cpu_to_le32(vptr->td_pool_dma[i]), &(regs->TDBaseLo[i])); -+ /* writel(cpu_to_le32(vptr->td_pool_dma[i]), &(regs->TDBaseLo[i])); BE */ -+ writel((vptr->td_pool_dma[i]), &(regs->TDBaseLo[i])); /* BE */ - mac_tx_queue_run(regs, i); - } - -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: DMA settings complete.\n"); -+ - init_flow_control_register(vptr); - - writel(CR0_STOP, ®s->CR0Clr); -@@ -640,8 +678,10 @@ - - enable_flow_control_ability(vptr); - mac_hw_mibs_init(regs); -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: Set interrupt mask\n"); - mac_write_int_mask(vptr->int_mask, regs); - mac_clear_isr(regs); -+ if (vdebug&4) printk(KERN_NOTICE "velocity_init_registers: complete.\n"); - - } - } -@@ -659,6 +699,7 @@ - struct mac_regs __iomem * regs = vptr->mac_regs; - int i = 0; - -+ HAIL("velocity_soft_reset"); - writel(CR0_SFRST, ®s->CR0Set); - - for (i = 0; i < W_MAX_TIMEOUT; i++) { -@@ -722,6 +763,7 @@ - VELOCITY_FULL_DRV_NAM, VELOCITY_VERSION); - printk(KERN_INFO "Copyright (c) 2002, 2003 VIA Networking Technologies, Inc.\n"); - printk(KERN_INFO "Copyright (c) 2004 Red Hat Inc.\n"); -+ printk(KERN_INFO "BE support, misc. fixes MJW 01Jan2007 - may be unstable\n"); - first = 0; - } - -@@ -935,6 +977,7 @@ - dma_addr_t pool_dma; - u8 *pool; - -+ HAIL("velocity_init_rings"); - /* - * Allocate all RD/TD rings a single pool - */ -@@ -997,6 +1040,7 @@ - static void velocity_free_rings(struct velocity_info *vptr) - { - int size; -+ HAIL("velocity_free_rings"); - - size = vptr->options.numrx * sizeof(struct rx_desc) + - vptr->options.numtx * sizeof(struct tx_desc) * vptr->num_txq; -@@ -1013,6 +1057,7 @@ - struct mac_regs __iomem *regs = vptr->mac_regs; - int avail, dirty, unusable; - -+ HAIL("velocity_give_many_rx_descs"); - /* - * RD number must be equal to 4X per hardware spec - * (programming guide rev 1.20, p.13) -@@ -1026,7 +1071,8 @@ - dirty = vptr->rd_dirty - unusable; - for (avail = vptr->rd_filled & 0xfffc; avail; avail--) { - dirty = (dirty > 0) ? dirty - 1 : vptr->options.numrx - 1; -- vptr->rd_ring[dirty].rdesc0.owner = OWNED_BY_NIC; -+ /* vptr->rd_ring[dirty].rdesc0.owner = OWNED_BY_NIC; BE */ -+ vptr->rd_ring[dirty].rdesc0 |= cpu_to_le32(BE_OWNED_BY_NIC); /* BE */ - } - - writew(vptr->rd_filled & 0xfffc, ®s->RBRDU); -@@ -1036,12 +1082,14 @@ - static int velocity_rx_refill(struct velocity_info *vptr) - { - int dirty = vptr->rd_dirty, done = 0, ret = 0; -+ HAIL("velocity_rx_refill"); - - do { - struct rx_desc *rd = vptr->rd_ring + dirty; - - /* Fine for an all zero Rx desc at init time as well */ -- if (rd->rdesc0.owner == OWNED_BY_NIC) -+ /* if (rd->rdesc0.owner == OWNED_BY_NIC) BE */ -+ if (rd->rdesc0 & cpu_to_le32(BE_OWNED_BY_NIC)) /* BE */ - break; - - if (!vptr->rd_info[dirty].skb) { -@@ -1076,6 +1124,7 @@ - unsigned int rsize = sizeof(struct velocity_rd_info) * - vptr->options.numrx; - -+ HAIL("velocity_init_rd_ring"); - vptr->rd_info = kmalloc(rsize, GFP_KERNEL); - if(vptr->rd_info == NULL) - goto out; -@@ -1105,6 +1154,7 @@ - { - int i; - -+ HAIL("velocity_free_rd_ring"); - if (vptr->rd_info == NULL) - return; - -@@ -1146,6 +1196,7 @@ - unsigned int tsize = sizeof(struct velocity_td_info) * - vptr->options.numtx; - -+ HAIL("velocity_init_td_ring"); - /* Init the TD ring entries */ - for (j = 0; j < vptr->num_txq; j++) { - curr = vptr->td_pool_dma[j]; -@@ -1182,6 +1233,7 @@ - struct velocity_td_info * td_info = &(vptr->td_infos[q][n]); - int i; - -+ HAIL("velocity_free_td_ring_entry"); - if (td_info == NULL) - return; - -@@ -1211,6 +1263,7 @@ - { - int i, j; - -+ HAIL("velocity_free_td_ring"); - for (j = 0; j < vptr->num_txq; j++) { - if (vptr->td_infos[j] == NULL) - continue; -@@ -1238,34 +1291,42 @@ - struct net_device_stats *stats = &vptr->stats; - int rd_curr = vptr->rd_curr; - int works = 0; -+ u16 wRSR; /* BE */ - -+ HAILS("velocity_rx_srv", status); - do { - struct rx_desc *rd = vptr->rd_ring + rd_curr; - - if (!vptr->rd_info[rd_curr].skb) - break; - -- if (rd->rdesc0.owner == OWNED_BY_NIC) -+ /* if (rd->rdesc0.owner == OWNED_BY_NIC) BE */ -+ if (rd->rdesc0 & cpu_to_le32(BE_OWNED_BY_NIC)) /* BE */ - break; - - rmb(); - -+ wRSR = (u16)(cpu_to_le32(rd->rdesc0)); /* BE */ - /* - * Don't drop CE or RL error frame although RXOK is off - */ -- if ((rd->rdesc0.RSR & RSR_RXOK) || (!(rd->rdesc0.RSR & RSR_RXOK) && (rd->rdesc0.RSR & (RSR_CE | RSR_RL)))) { -+ /* if ((rd->rdesc0.RSR & RSR_RXOK) || (!(rd->rdesc0.RSR & RSR_RXOK) && (rd->rdesc0.RSR & (RSR_CE | RSR_RL)))) { BE */ -+ if ((wRSR & RSR_RXOK) || (!(wRSR & RSR_RXOK) && (wRSR & (RSR_CE | RSR_RL)))) { /* BE */ - if (velocity_receive_frame(vptr, rd_curr) < 0) - stats->rx_dropped++; - } else { -- if (rd->rdesc0.RSR & RSR_CRC) -+ /* if (rd->rdesc0.RSR & RSR_CRC) BE */ -+ if (wRSR & RSR_CRC) /* BE */ - stats->rx_crc_errors++; -- if (rd->rdesc0.RSR & RSR_FAE) -+ /* if (rd->rdesc0.RSR & RSR_FAE) BE */ -+ if (wRSR & RSR_FAE) /* BE */ - stats->rx_frame_errors++; - - stats->rx_dropped++; - } - -- rd->inten = 1; -+ /* rd->inten = 1; BE */ -+ rd->ltwo |= cpu_to_le32(BE_INT_ENABLE); /* BE */ - - vptr->dev->last_rx = jiffies; - -@@ -1296,13 +1357,21 @@ - - static inline void velocity_rx_csum(struct rx_desc *rd, struct sk_buff *skb) - { -+ u8 bCSM; -+ HAIL("velocity_rx_csum"); - skb->ip_summed = CHECKSUM_NONE; - -- if (rd->rdesc1.CSM & CSM_IPKT) { -- if (rd->rdesc1.CSM & CSM_IPOK) { -- if ((rd->rdesc1.CSM & CSM_TCPKT) || -- (rd->rdesc1.CSM & CSM_UDPKT)) { -- if (!(rd->rdesc1.CSM & CSM_TUPOK)) { -+// if (rd->rdesc1.CSM & CSM_IPKT) { -+// if (rd->rdesc1.CSM & CSM_IPOK) { -+// if ((rd->rdesc1.CSM & CSM_TCPKT) || -+// (rd->rdesc1.CSM & CSM_UDPKT)) { -+// if (!(rd->rdesc1.CSM & CSM_TUPOK)) { -+ bCSM = (u8)(cpu_to_le32(rd->rdesc1) >> 16); /* BE */ -+ if (bCSM & CSM_IPKT) { -+ if (bCSM & CSM_IPOK) { -+ if ((bCSM & CSM_TCPKT) || -+ (bCSM & CSM_UDPKT)) { -+ if (!(bCSM & CSM_TUPOK)) { /* BE */ - return; - } - } -@@ -1328,9 +1397,11 @@ - { - int ret = -1; - -+ HAIL("velocity_rx_copy"); - if (pkt_size < rx_copybreak) { - struct sk_buff *new_skb; - -+ HAIL("velocity_rx_copy (working...)"); - new_skb = dev_alloc_skb(pkt_size + 2); - if (new_skb) { - new_skb->dev = vptr->dev; -@@ -1360,10 +1431,12 @@ - static inline void velocity_iph_realign(struct velocity_info *vptr, - struct sk_buff *skb, int pkt_size) - { -+ HAIL("velocity_iph_realign"); - /* FIXME - memmove ? */ - if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN) { - int i; - -+ HAIL("velocity_iph_realign (working...)"); - for (i = pkt_size; i >= 0; i--) - *(skb->data + i + 2) = *(skb->data + i); - skb_reserve(skb, 2); -@@ -1382,19 +1455,27 @@ - static int velocity_receive_frame(struct velocity_info *vptr, int idx) - { - void (*pci_action)(struct pci_dev *, dma_addr_t, size_t, int); -+ u16 pkt_len; /* BE */ -+ u16 wRSR; /* BE */ -+ struct sk_buff *skb; - struct net_device_stats *stats = &vptr->stats; - struct velocity_rd_info *rd_info = &(vptr->rd_info[idx]); - struct rx_desc *rd = &(vptr->rd_ring[idx]); -- int pkt_len = rd->rdesc0.len; -- struct sk_buff *skb; -+ /* int pkt_len = rd->rdesc0.len BE */; -+ -+ pkt_len = ((cpu_to_le32(rd->rdesc0) >> 16) & 0x00003FFFUL); /* BE */ -+ wRSR = (u16)(cpu_to_le32(rd->rdesc0)); /* BE */ - -- if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) { -+ HAIL("velocity_receive_frame"); -+ /* if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) { BE */ -+ if (wRSR & (RSR_STP | RSR_EDP)) { /* BE */ - VELOCITY_PRT(MSG_LEVEL_VERBOSE, KERN_ERR " %s : the received frame span multple RDs.\n", vptr->dev->name); - stats->rx_length_errors++; - return -EINVAL; - } - -- if (rd->rdesc0.RSR & RSR_MAR) -+ /* if (rd->rdesc0.RSR & RSR_MAR) BE */ -+ if (wRSR & RSR_MAR) /* BE */ - vptr->stats.multicast++; - - skb = rd_info->skb; -@@ -1408,7 +1489,8 @@ - */ - - if (vptr->flags & VELOCITY_FLAGS_VAL_PKT_LEN) { -- if (rd->rdesc0.RSR & RSR_RL) { -+ /* if (rd->rdesc0.RSR & RSR_RL) { BE */ -+ if (wRSR & RSR_RL) { /* BE */ - stats->rx_length_errors++; - return -EINVAL; - } -@@ -1452,6 +1534,7 @@ - struct rx_desc *rd = &(vptr->rd_ring[idx]); - struct velocity_rd_info *rd_info = &(vptr->rd_info[idx]); - -+ HAIL("velocity_alloc_rx_buf"); - rd_info->skb = dev_alloc_skb(vptr->rx_buf_sz + 64); - if (rd_info->skb == NULL) - return -ENOMEM; -@@ -1469,10 +1552,14 @@ - */ - - *((u32 *) & (rd->rdesc0)) = 0; -- rd->len = cpu_to_le32(vptr->rx_buf_sz); -- rd->inten = 1; -+ /* rd->len = cpu_to_le32(vptr->rx_buf_sz); BE */ -+ /* rd->inten = 1; BE */ - rd->pa_low = cpu_to_le32(rd_info->skb_dma); -- rd->pa_high = 0; -+ /* rd->pa_high = 0; BE */ -+ rd->ltwo &= cpu_to_le32(0xC000FFFFUL); /* BE */ -+ rd->ltwo |= cpu_to_le32((vptr->rx_buf_sz << 16)); /* BE */ -+ rd->ltwo |= cpu_to_le32(BE_INT_ENABLE); /* BE */ -+ rd->ltwo &= cpu_to_le32(0xFFFF0000UL); /* BE */ - return 0; - } - -@@ -1493,9 +1580,11 @@ - int full = 0; - int idx; - int works = 0; -+ u16 wTSR; /* BE */ - struct velocity_td_info *tdinfo; - struct net_device_stats *stats = &vptr->stats; - -+ HAILS("velocity_tx_srv", status); - for (qnum = 0; qnum < vptr->num_txq; qnum++) { - for (idx = vptr->td_tail[qnum]; vptr->td_used[qnum] > 0; - idx = (idx + 1) % vptr->options.numtx) { -@@ -1506,22 +1595,29 @@ - td = &(vptr->td_rings[qnum][idx]); - tdinfo = &(vptr->td_infos[qnum][idx]); - -- if (td->tdesc0.owner == OWNED_BY_NIC) -+ /* if (td->tdesc0.owner == OWNED_BY_NIC) BE */ -+ if (td->tdesc0 & cpu_to_le32(BE_OWNED_BY_NIC)) /* BE */ - break; - - if ((works++ > 15)) - break; - -- if (td->tdesc0.TSR & TSR0_TERR) { -+ wTSR = (u16)cpu_to_le32(td->tdesc0); -+ /* if (td->tdesc0.TSR & TSR0_TERR) { BE */ -+ if (wTSR & TSR0_TERR) { /* BE */ - stats->tx_errors++; - stats->tx_dropped++; -- if (td->tdesc0.TSR & TSR0_CDH) -+ /* if (td->tdesc0.TSR & TSR0_CDH) BE */ -+ if (wTSR & TSR0_CDH) /* BE */ - stats->tx_heartbeat_errors++; -- if (td->tdesc0.TSR & TSR0_CRS) -+ /* if (td->tdesc0.TSR & TSR0_CRS) BE */ -+ if (wTSR & TSR0_CRS) /* BE */ - stats->tx_carrier_errors++; -- if (td->tdesc0.TSR & TSR0_ABT) -+ /* if (td->tdesc0.TSR & TSR0_ABT) BE */ -+ if (wTSR & TSR0_ABT) /* BE */ - stats->tx_aborted_errors++; -- if (td->tdesc0.TSR & TSR0_OWC) -+ /* if (td->tdesc0.TSR & TSR0_OWC) BE */ -+ if (wTSR & TSR0_OWC) /* BE */ - stats->tx_window_errors++; - } else { - stats->tx_packets++; -@@ -1610,6 +1706,7 @@ - - static void velocity_error(struct velocity_info *vptr, int status) - { -+ HAILS("velocity_error", status); - - if (status & ISR_TXSTLI) { - struct mac_regs __iomem * regs = vptr->mac_regs; -@@ -1699,6 +1796,7 @@ - struct sk_buff *skb = tdinfo->skb; - int i; - -+ HAIL("velocity_free_tx_buf"); - /* - * Don't unmap the pre-allocated tx_bufs - */ -@@ -1902,6 +2000,7 @@ - struct velocity_td_info *tdinfo; - unsigned long flags; - int index; -+ u32 lbufsz; /* BE */ - - int pktlen = skb->len; - -@@ -1918,9 +2017,18 @@ - td_ptr = &(vptr->td_rings[qnum][index]); - tdinfo = &(vptr->td_infos[qnum][index]); - -- td_ptr->tdesc1.TCPLS = TCPLS_NORMAL; -- td_ptr->tdesc1.TCR = TCR0_TIC; -- td_ptr->td_buf[0].queue = 0; -+ td_ptr->tdesc0 = 0x00000000UL; /* BE */ -+ td_ptr->tdesc1 = 0x00000000UL; /* BE */ -+ -+ /* td_ptr->tdesc1.TCPLS = TCPLS_NORMAL; BE */ -+ td_ptr->tdesc1 &= cpu_to_le32(0xfcffffffUL); /* BE */ -+ td_ptr->tdesc1 |= cpu_to_le32(((u32)TCPLS_NORMAL) << 24); /* BE */ -+ -+ /* td_ptr->tdesc1.TCR = TCR0_TIC; BE */ -+ td_ptr->tdesc1 |= cpu_to_le32(BE_TCR_TIC); /* BE */ -+ -+ /* td_ptr->td_buf[0].queue = 0; BE */ -+ td_ptr->td_buf[0].ltwo &= cpu_to_le32(~BE_QUEUE_ENABLE); /* BE */ - - /* - * Pad short frames. -@@ -1932,20 +2040,35 @@ - memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len); - tdinfo->skb = skb; - tdinfo->skb_dma[0] = tdinfo->buf_dma; -- td_ptr->tdesc0.pktsize = pktlen; -+ /* td_ptr->tdesc0.pktsize = pktlen; */ -+ td_ptr->tdesc0 &= cpu_to_le32(0xc000ffffUL); /* BE */ -+ lbufsz = pktlen; /* Assign, and make sure it's unsigned 32 bits - BE */ -+ lbufsz = lbufsz << 16; /* BE - shift over */ -+ td_ptr->tdesc0 |= cpu_to_le32(lbufsz); /* BE */ - td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); -- td_ptr->td_buf[0].pa_high = 0; -- td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; -+ /* td_ptr->td_buf[0].pa_high = 0; */ -+ /* td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; */ -+ td_ptr->td_buf[0].ltwo = cpu_to_le32(lbufsz); /* BE */ - tdinfo->nskb_dma = 1; -- td_ptr->tdesc1.CMDZ = 2; -+ /* td_ptr->tdesc1.CMDZ = 2; */ -+ td_ptr->tdesc1 &= cpu_to_le32(0x0fffffffUL); /* BE */ -+ td_ptr->tdesc1 |= cpu_to_le32(((u32)0x2) << 28); /* BE */ - } else - #ifdef VELOCITY_ZERO_COPY_SUPPORT -+ /* -+ * BE - NOTE on the VELOCITY_ZERO_COPY_SUPPORT: -+ * This block of code has NOT been patched up for BE support, as -+ * it is certainly broken -- if it compiles at all. Since the BE -+ * fixes depend on the broken code, attempts to convert to BE support -+ * would almost certainly confuse more than help. -+ */ - if (skb_shinfo(skb)->nr_frags > 0) { - int nfrags = skb_shinfo(skb)->nr_frags; - tdinfo->skb = skb; - if (nfrags > 6) { - memcpy(tdinfo->buf, skb->data, skb->len); - tdinfo->skb_dma[0] = tdinfo->buf_dma; -+ /* BE: Er, exactly what value are we assigning in this next line? */ - td_ptr->tdesc0.pktsize = - td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); - td_ptr->td_buf[0].pa_high = 0; -@@ -1962,6 +2085,7 @@ - /* FIXME: support 48bit DMA later */ - td_ptr->td_buf[i].pa_low = cpu_to_le32(tdinfo->skb_dma); - td_ptr->td_buf[i].pa_high = 0; -+ /* BE: This next line can't be right: */ - td_ptr->td_buf[i].bufsize = skb->len->skb->data_len; - - for (i = 0; i < nfrags; i++) { -@@ -1979,7 +2103,7 @@ - } - - } else --#endif -+#endif /* (broken) VELOCITY_ZERO_COPY_SUPPORT */ - { - /* - * Map the linear network buffer into PCI space and -@@ -1987,19 +2111,30 @@ - */ - tdinfo->skb = skb; - tdinfo->skb_dma[0] = pci_map_single(vptr->pdev, skb->data, pktlen, PCI_DMA_TODEVICE); -- td_ptr->tdesc0.pktsize = pktlen; -+ /* td_ptr->tdesc0.pktsize = pktlen; BE */ -+ td_ptr->tdesc0 &= cpu_to_le32(0xc000ffffUL); /* BE */ -+ lbufsz = pktlen; /* Assign, and make sure it's unsigned 32 bits - BE */ -+ lbufsz = lbufsz << 16; /* BE */ -+ td_ptr->tdesc0 |= cpu_to_le32(lbufsz); /* BE */ - td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); -- td_ptr->td_buf[0].pa_high = 0; -- td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; -+ /* td_ptr->td_buf[0].pa_high = 0; BE */ -+ /* td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; BE */ -+ td_ptr->td_buf[0].ltwo = cpu_to_le32(lbufsz); /* BE */ -+ - tdinfo->nskb_dma = 1; -- td_ptr->tdesc1.CMDZ = 2; -+ /* td_ptr->tdesc1.CMDZ = 2; BE */ -+ td_ptr->tdesc1 &= cpu_to_le32(0x0fffffffUL); /* BE */ -+ td_ptr->tdesc1 |= cpu_to_le32(((u32)0x2) << 28);/* BE */ - } - - if (vptr->flags & VELOCITY_FLAGS_TAGGING) { -- td_ptr->tdesc1.pqinf.VID = (vptr->options.vid & 0xfff); -- td_ptr->tdesc1.pqinf.priority = 0; -- td_ptr->tdesc1.pqinf.CFI = 0; -- td_ptr->tdesc1.TCR |= TCR0_VETAG; -+ /* td_ptr->tdesc1.pqinf.priority = 0; BE */ -+ /* td_ptr->tdesc1.pqinf.CFI = 0; BE */ -+ td_ptr->tdesc1 &= cpu_to_le32(0xFFFF0000UL); /* BE */ -+ /* td_ptr->tdesc1.pqinf.VID = (vptr->options.vid & 0xfff); BE */ -+ td_ptr->tdesc1 |= cpu_to_le32((vptr->options.vid & 0xfff)); /* BE */ -+ /* td_ptr->tdesc1.TCR |= TCR0_VETAG; BE */ -+ td_ptr->tdesc1 |= cpu_to_le32(BE_TCR_VETAG); /* BE */ - } - - /* -@@ -2009,26 +2144,34 @@ - && (skb->ip_summed == CHECKSUM_PARTIAL)) { - struct iphdr *ip = skb->nh.iph; - if (ip->protocol == IPPROTO_TCP) -- td_ptr->tdesc1.TCR |= TCR0_TCPCK; -+ /* td_ptr->tdesc1.TCR |= TCR0_TCPCK; BE */ -+ td_ptr->tdesc1 |= cpu_to_le32(BE_TCR_TCPCK); /* BE */ - else if (ip->protocol == IPPROTO_UDP) -- td_ptr->tdesc1.TCR |= (TCR0_UDPCK); -- td_ptr->tdesc1.TCR |= TCR0_IPCK; -- } -+ /* td_ptr->tdesc1.TCR |= (TCR0_UDPCK); BE */ -+ td_ptr->tdesc1 |= cpu_to_le32(BE_TCR_UDPCK); /* BE */ -+ /* td_ptr->tdesc1.TCR |= TCR0_IPCK; BE */ -+ td_ptr->tdesc1 |= cpu_to_le32(BE_TCR_IPCK); /* BE */ -+ } - { - - int prev = index - 1; - - if (prev < 0) - prev = vptr->options.numtx - 1; -- td_ptr->tdesc0.owner = OWNED_BY_NIC; -+ /* td_ptr->tdesc0.owner = OWNED_BY_NIC; BE */ -+ td_ptr->tdesc0 |= cpu_to_le32(BE_OWNED_BY_NIC); /* BE */ - vptr->td_used[qnum]++; - vptr->td_curr[qnum] = (index + 1) % vptr->options.numtx; - - if (AVAIL_TD(vptr, qnum) < 1) - netif_stop_queue(dev); - -- td_ptr = &(vptr->td_rings[qnum][prev]); -- td_ptr->td_buf[0].queue = 1; -+ td_ptr = &(vptr->td_rings[qnum][prev]); -+ /* td_ptr->td_buf[0].queue = 1; BE */ -+ td_ptr->td_buf[0].ltwo |= cpu_to_le32(BE_QUEUE_ENABLE); /* BE */ -+ if (vdebug&2) printk(KERN_NOTICE "velocity_xmit: (%s) len=%d idx=%d tdesc0=0x%x tdesc1=0x%x ltwo=0x%x\n", -+ (pktlen<ETH_ZLEN) ? "short" : "normal", pktlen, index, -+ td_ptr->tdesc0, td_ptr->tdesc1, td_ptr->td_buf[0].ltwo); - mac_tx_queue_wake(vptr->mac_regs, qnum); - } - dev->trans_start = jiffies; -@@ -2054,7 +2197,7 @@ - u32 isr_status; - int max_count = 0; - -- -+ HAIL("velocity_intr"); - spin_lock(&vptr->lock); - isr_status = mac_read_isr(vptr->mac_regs); - -@@ -2073,7 +2216,10 @@ - - while (isr_status != 0) { - mac_write_isr(vptr->mac_regs, isr_status); -- if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI))) -+ HAILS("velocity_intr",isr_status); -+ /* MJW - velocity_error is ALWAYS called; need to mask off some other flags */ -+ /* if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI))) */ -+ if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI | ISR_PTX0I | ISR_ISR0))) - velocity_error(vptr, isr_status); - if (isr_status & (ISR_PRXI | ISR_PPRXI)) - max_count += velocity_rx_srv(vptr, isr_status); -@@ -2111,6 +2257,7 @@ - int i; - struct dev_mc_list *mclist; - -+ HAIL("velocity_set_multi"); - if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */ - writel(0xffffffff, ®s->MARCAM[0]); - writel(0xffffffff, ®s->MARCAM[4]); -@@ -2154,6 +2301,7 @@ - { - struct velocity_info *vptr = netdev_priv(dev); - -+ HAIL("net_device_stats"); - /* If the hardware is down, don't touch MII */ - if(!netif_running(dev)) - return &vptr->stats; -@@ -2198,6 +2346,7 @@ - struct velocity_info *vptr = netdev_priv(dev); - int ret; - -+ HAIL("velocity_ioctl"); - /* If we are asked for information and the device is power - saving then we need to bring the device back up to talk to it */ - -@@ -2416,6 +2565,7 @@ - { - u16 ww; - -+ HAIL("velocity_mii_read"); - /* - * Disable MIICR_MAUTO, so that mii addr can be set normally - */ -@@ -2452,6 +2602,7 @@ - { - u16 ww; - -+ HAIL("velocity_mii_write"); - /* - * Disable MIICR_MAUTO, so that mii addr can be set normally - */ -Index: linux-2.6.20-rc3/drivers/net/via-velocity.h -=================================================================== ---- linux-2.6.20-rc3.orig/drivers/net/via-velocity.h 2006-11-29 21:57:37.000000000 +0000 -+++ linux-2.6.20-rc3/drivers/net/via-velocity.h 2007-01-02 10:30:36.265114211 +0000 -@@ -196,64 +196,70 @@ - * Receive descriptor - */ - --struct rdesc0 { -- u16 RSR; /* Receive status */ -- u16 len:14; /* Received packet length */ -- u16 reserved:1; -- u16 owner:1; /* Who owns this buffer ? */ --}; -- --struct rdesc1 { -- u16 PQTAG; -- u8 CSM; -- u8 IPKT; --}; -+//struct rdesc0 { -+// u16 RSR; /* Receive status */ -+// u16 len:14; /* Received packet length */ -+// u16 reserved:1; -+// u16 owner:1; /* Who owns this buffer ? */ -+//}; -+ -+//struct rdesc1 { -+// u16 PQTAG; -+// u8 CSM; -+// u8 IPKT; -+//}; - - struct rx_desc { -- struct rdesc0 rdesc0; -- struct rdesc1 rdesc1; -+// struct rdesc0 rdesc0; -+// struct rdesc1 rdesc1; -+ u32 rdesc0; -+ u32 rdesc1; - u32 pa_low; /* Low 32 bit PCI address */ -- u16 pa_high; /* Next 16 bit PCI address (48 total) */ -- u16 len:15; /* Frame size */ -- u16 inten:1; /* Enable interrupt */ -+// u16 pa_high; /* Next 16 bit PCI address (48 total) */ -+// u16 len:15; /* Frame size */ -+// u16 inten:1; /* Enable interrupt */ -+ u32 ltwo; - } __attribute__ ((__packed__)); - - /* - * Transmit descriptor - */ - --struct tdesc0 { -- u16 TSR; /* Transmit status register */ -- u16 pktsize:14; /* Size of frame */ -- u16 reserved:1; -- u16 owner:1; /* Who owns the buffer */ --}; -- --struct pqinf { /* Priority queue info */ -- u16 VID:12; -- u16 CFI:1; -- u16 priority:3; --} __attribute__ ((__packed__)); -- --struct tdesc1 { -- struct pqinf pqinf; -- u8 TCR; -- u8 TCPLS:2; -- u8 reserved:2; -- u8 CMDZ:4; --} __attribute__ ((__packed__)); -+//struct tdesc0 { -+// u16 TSR; /* Transmit status register */ -+// u16 pktsize:14; /* Size of frame */ -+// u16 reserved:1; -+// u16 owner:1; /* Who owns the buffer */ -+//}; -+ -+//struct pqinf { /* Priority queue info */ -+// u16 VID:12; -+// u16 CFI:1; -+// u16 priority:3; -+//} __attribute__ ((__packed__)); -+ -+//struct tdesc1 { -+// struct pqinf pqinf; -+// u8 TCR; -+// u8 TCPLS:2; -+// u8 reserved:2; -+// u8 CMDZ:4; -+//} __attribute__ ((__packed__)); - - struct td_buf { - u32 pa_low; -- u16 pa_high; -- u16 bufsize:14; -- u16 reserved:1; -- u16 queue:1; -+// u16 pa_high; -+// u16 bufsize:14; -+// u16 reserved:1; -+// u16 queue:1; -+ u32 ltwo; - } __attribute__ ((__packed__)); - - struct tx_desc { -- struct tdesc0 tdesc0; -- struct tdesc1 tdesc1; -+// struct tdesc0 tdesc0; -+// struct tdesc1 tdesc1; -+ u32 tdesc0; -+ u32 tdesc1; - struct td_buf td_buf[7]; - }; - -@@ -279,6 +285,16 @@ - OWNED_BY_NIC = 1 - }; - -+/* Constants added for the BE fixes */ -+#define BE_OWNED_BY_NIC 0x80000000UL -+#define BE_INT_ENABLE 0x80000000UL -+#define BE_QUEUE_ENABLE 0x80000000UL -+#define BE_TCR_TIC 0x00800000UL -+#define BE_TCR_VETAG 0x00200000UL -+#define BE_TCR_TCPCK 0x00040000UL -+#define BE_TCR_UDPCK 0x00080000UL -+#define BE_TCR_IPCK 0x00100000UL -+ - - /* - * MAC registers and macros. -@@ -1698,6 +1714,7 @@ - }; - - struct velocity_opt { -+ int velo_debug; /* debug flag */ - int numrx; /* Number of RX descriptors */ - int numtx; /* Number of TX descriptors */ - enum speed_opt spd_dpx; /* Media link mode */ |