diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/atl1/atl1_main.c | 278 |
1 files changed, 137 insertions, 141 deletions
diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c index 6c8cf986bee4..b40f1c7901fe 100644 --- a/drivers/net/atl1/atl1_main.c +++ b/drivers/net/atl1/atl1_main.c @@ -38,7 +38,7 @@ * TODO: * Fix TSO; tx performance is horrible with TSO enabled. * Wake on LAN. - * Add more ethtool functions, including set ring parameters. + * Add more ethtool functions. * Fix abstruse irq enable/disable condition described here: * http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2 * @@ -191,19 +191,22 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) goto err_nomem; } rfd_ring->buffer_info = - (struct atl1_buffer *)(tpd_ring->buffer_info + tpd_ring->count); + (struct atl1_buffer *)(tpd_ring->buffer_info + tpd_ring->count); - /* real ring DMA buffer */ - ring_header->size = size = sizeof(struct tx_packet_desc) * - tpd_ring->count - + sizeof(struct rx_free_desc) * rfd_ring->count - + sizeof(struct rx_return_desc) * rrd_ring->count - + sizeof(struct coals_msg_block) - + sizeof(struct stats_msg_block) - + 40; /* "40: for 8 bytes align" huh? -- CHS */ + /* real ring DMA buffer + * each ring/block may need up to 8 bytes for alignment, hence the + * additional 40 bytes tacked onto the end. + */ + ring_header->size = size = + sizeof(struct tx_packet_desc) * tpd_ring->count + + sizeof(struct rx_free_desc) * rfd_ring->count + + sizeof(struct rx_return_desc) * rrd_ring->count + + sizeof(struct coals_msg_block) + + sizeof(struct stats_msg_block) + + 40; ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, - &ring_header->dma); + &ring_header->dma); if (unlikely(!ring_header->desc)) { dev_err(&pdev->dev, "pci_alloc_consistent failed\n"); goto err_nomem; @@ -227,7 +230,6 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) rfd_ring->desc = (u8 *) tpd_ring->desc + (tpd_ring->size + offset); rfd_ring->size = sizeof(struct rx_free_desc) * rfd_ring->count; rfd_ring->next_to_clean = 0; - /* rfd_ring->next_to_use = rfd_ring->count - 1; */ atomic_set(&rfd_ring->next_to_use, 0); /* init RRD ring */ @@ -243,16 +245,16 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) adapter->cmb.dma = rrd_ring->dma + rrd_ring->size; offset = (adapter->cmb.dma & 0x7) ? (8 - (adapter->cmb.dma & 0x7)) : 0; adapter->cmb.dma += offset; - adapter->cmb.cmb = - (struct coals_msg_block *) ((u8 *) rrd_ring->desc + - (rrd_ring->size + offset)); + adapter->cmb.cmb = (struct coals_msg_block *) + ((u8 *) rrd_ring->desc + (rrd_ring->size + offset)); /* init SMB */ adapter->smb.dma = adapter->cmb.dma + sizeof(struct coals_msg_block); offset = (adapter->smb.dma & 0x7) ? (8 - (adapter->smb.dma & 0x7)) : 0; adapter->smb.dma += offset; adapter->smb.smb = (struct stats_msg_block *) - ((u8 *) adapter->cmb.cmb + (sizeof(struct coals_msg_block) + offset)); + ((u8 *) adapter->cmb.cmb + + (sizeof(struct coals_msg_block) + offset)); return ATL1_SUCCESS; @@ -291,25 +293,19 @@ static void atl1_inc_smb(struct atl1_adapter *adapter) adapter->soft_stats.rx_bytes += smb->rx_byte_cnt; adapter->soft_stats.tx_bytes += smb->tx_byte_cnt; adapter->soft_stats.multicast += smb->rx_mcast; - adapter->soft_stats.collisions += (smb->tx_1_col + - smb->tx_2_col * 2 + - smb->tx_late_col + - smb->tx_abort_col * - adapter->hw.max_retry); + adapter->soft_stats.collisions += (smb->tx_1_col + smb->tx_2_col * 2 + + smb->tx_late_col + smb->tx_abort_col * adapter->hw.max_retry); /* Rx Errors */ - adapter->soft_stats.rx_errors += (smb->rx_frag + - smb->rx_fcs_err + - smb->rx_len_err + - smb->rx_sz_ov + - smb->rx_rxf_ov + - smb->rx_rrd_ov + smb->rx_align_err); + adapter->soft_stats.rx_errors += (smb->rx_frag + smb->rx_fcs_err + + smb->rx_len_err + smb->rx_sz_ov + smb->rx_rxf_ov + + smb->rx_rrd_ov + smb->rx_align_err); adapter->soft_stats.rx_fifo_errors += smb->rx_rxf_ov; adapter->soft_stats.rx_length_errors += smb->rx_len_err; adapter->soft_stats.rx_crc_errors += smb->rx_fcs_err; adapter->soft_stats.rx_frame_errors += smb->rx_align_err; adapter->soft_stats.rx_missed_errors += (smb->rx_rrd_ov + - smb->rx_rxf_ov); + smb->rx_rxf_ov); adapter->soft_stats.rx_pause += smb->rx_pause; adapter->soft_stats.rx_rrd_ov += smb->rx_rrd_ov; @@ -317,8 +313,7 @@ static void atl1_inc_smb(struct atl1_adapter *adapter) /* Tx Errors */ adapter->soft_stats.tx_errors += (smb->tx_late_col + - smb->tx_abort_col + - smb->tx_underrun + smb->tx_trunc); + smb->tx_abort_col + smb->tx_underrun + smb->tx_trunc); adapter->soft_stats.tx_fifo_errors += smb->tx_underrun; adapter->soft_stats.tx_aborted_errors += smb->tx_abort_col; adapter->soft_stats.tx_window_errors += smb->tx_late_col; @@ -340,36 +335,38 @@ static void atl1_inc_smb(struct atl1_adapter *adapter) adapter->net_stats.collisions = adapter->soft_stats.collisions; adapter->net_stats.rx_errors = adapter->soft_stats.rx_errors; adapter->net_stats.rx_over_errors = - adapter->soft_stats.rx_missed_errors; + adapter->soft_stats.rx_missed_errors; adapter->net_stats.rx_length_errors = - adapter->soft_stats.rx_length_errors; + adapter->soft_stats.rx_length_errors; adapter->net_stats.rx_crc_errors = adapter->soft_stats.rx_crc_errors; adapter->net_stats.rx_frame_errors = - adapter->soft_stats.rx_frame_errors; + adapter->soft_stats.rx_frame_errors; adapter->net_stats.rx_fifo_errors = adapter->soft_stats.rx_fifo_errors; adapter->net_stats.rx_missed_errors = - adapter->soft_stats.rx_missed_errors; + adapter->soft_stats.rx_missed_errors; adapter->net_stats.tx_errors = adapter->soft_stats.tx_errors; adapter->net_stats.tx_fifo_errors = adapter->soft_stats.tx_fifo_errors; adapter->net_stats.tx_aborted_errors = - adapter->soft_stats.tx_aborted_errors; + adapter->soft_stats.tx_aborted_errors; adapter->net_stats.tx_window_errors = - adapter->soft_stats.tx_window_errors; + adapter->soft_stats.tx_window_errors; adapter->net_stats.tx_carrier_errors = - adapter->soft_stats.tx_carrier_errors; + adapter->soft_stats.tx_carrier_errors; } static void atl1_rx_checksum(struct atl1_adapter *adapter, - struct rx_return_desc *rrd, - struct sk_buff *skb) + struct rx_return_desc *rrd, struct sk_buff *skb) { + struct pci_dev *pdev = adapter->pdev; + skb->ip_summed = CHECKSUM_NONE; if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { if (rrd->err_flg & (ERR_FLAG_CRC | ERR_FLAG_TRUNC | ERR_FLAG_CODE | ERR_FLAG_OV)) { adapter->hw_csum_err++; - dev_dbg(&adapter->pdev->dev, "rx checksum error\n"); + dev_printk(KERN_DEBUG, &pdev->dev, + "rx checksum error\n"); return; } } @@ -388,7 +385,7 @@ static void atl1_rx_checksum(struct atl1_adapter *adapter, } /* IPv4, but hardware thinks its checksum is wrong */ - dev_dbg(&adapter->pdev->dev, + dev_printk(KERN_DEBUG, &pdev->dev, "hw csum wrong, pkt_flag:%x, err_flag:%x\n", rrd->pkt_flg, rrd->err_flg); skb->ip_summed = CHECKSUM_COMPLETE; @@ -503,13 +500,14 @@ chk_rrd: /* rrd seems to be bad */ if (unlikely(i-- > 0)) { /* rrd may not be DMAed completely */ - dev_dbg(&adapter->pdev->dev, + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "incomplete RRD DMA transfer\n"); udelay(1); goto chk_rrd; } /* bad rrd */ - dev_dbg(&adapter->pdev->dev, "bad RRD\n"); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "bad RRD\n"); /* see if update RFD index */ if (rrd->num_buf > 1) { u16 num_buf; @@ -697,7 +695,6 @@ static void atl1_check_for_link(struct atl1_adapter *adapter) */ static irqreturn_t atl1_intr(int irq, void *data) { - /*struct atl1_adapter *adapter = ((struct net_device *)data)->priv;*/ struct atl1_adapter *adapter = netdev_priv(data); u32 status; u8 update_rx; @@ -725,8 +722,8 @@ static irqreturn_t atl1_intr(int irq, void *data) /* check if PCIE PHY Link down */ if (status & ISR_PHY_LINKDOWN) { - dev_dbg(&adapter->pdev->dev, "pcie phy link down %x\n", - status); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "pcie phy link down %x\n", status); if (netif_running(adapter->netdev)) { /* reset MAC */ iowrite32(0, adapter->hw.hw_addr + REG_IMR); schedule_work(&adapter->pcie_dma_to_rst_task); @@ -736,7 +733,7 @@ static irqreturn_t atl1_intr(int irq, void *data) /* check if DMA read/write error ? */ if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { - dev_dbg(&adapter->pdev->dev, + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "pcie DMA r/w error (status = 0x%x)\n", status); iowrite32(0, adapter->hw.hw_addr + REG_IMR); @@ -761,7 +758,7 @@ static irqreturn_t atl1_intr(int irq, void *data) if (status & (ISR_RXF_OV | ISR_RFD_UNRUN | ISR_RRD_OV | ISR_HOST_RFD_UNRUN | ISR_HOST_RRD_OV)) - dev_dbg(&adapter->pdev->dev, + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "rx exception, ISR = 0x%x\n", status); atl1_intr_rx(adapter); } @@ -973,7 +970,7 @@ static void set_flow_ctrl_old(struct atl1_adapter *adapter) lo = value * 7 / 8; value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); + ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RXF_PAUSE_THRESH); /* RRD Flow Control */ @@ -983,7 +980,7 @@ static void set_flow_ctrl_old(struct atl1_adapter *adapter) if (lo < 2) lo = 2; value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); + ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RRD_PAUSE_THRESH); } @@ -1000,7 +997,7 @@ static void set_flow_ctrl_new(struct atl1_hw *hw) if (hi < lo) hi = lo + 16; value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); + ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); iowrite32(value, hw->hw_addr + REG_RXQ_RXF_PAUSE_THRESH); /* RRD Flow Control */ @@ -1012,7 +1009,7 @@ static void set_flow_ctrl_new(struct atl1_hw *hw) if (hi < lo) hi = lo + 3; value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); + ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); iowrite32(value, hw->hw_addr + REG_RXQ_RRD_PAUSE_THRESH); } @@ -1069,31 +1066,31 @@ static u32 atl1_configure(struct atl1_adapter *adapter) /* config Mailbox */ value = ((atomic_read(&adapter->tpd_ring.next_to_use) & MB_TPD_PROD_INDX_MASK) << MB_TPD_PROD_INDX_SHIFT) | - ((atomic_read(&adapter->rrd_ring.next_to_clean) - & MB_RRD_CONS_INDX_MASK) << MB_RRD_CONS_INDX_SHIFT) | - ((atomic_read(&adapter->rfd_ring.next_to_use) - & MB_RFD_PROD_INDX_MASK) << MB_RFD_PROD_INDX_SHIFT); + ((atomic_read(&adapter->rrd_ring.next_to_clean) + & MB_RRD_CONS_INDX_MASK) << MB_RRD_CONS_INDX_SHIFT) | + ((atomic_read(&adapter->rfd_ring.next_to_use) + & MB_RFD_PROD_INDX_MASK) << MB_RFD_PROD_INDX_SHIFT); iowrite32(value, hw->hw_addr + REG_MAILBOX); /* config IPG/IFG */ value = (((u32) hw->ipgt & MAC_IPG_IFG_IPGT_MASK) << MAC_IPG_IFG_IPGT_SHIFT) | - (((u32) hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) - << MAC_IPG_IFG_MIFG_SHIFT) | - (((u32) hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) - << MAC_IPG_IFG_IPGR1_SHIFT) | - (((u32) hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) - << MAC_IPG_IFG_IPGR2_SHIFT); + (((u32) hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) + << MAC_IPG_IFG_MIFG_SHIFT) | + (((u32) hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) + << MAC_IPG_IFG_IPGR1_SHIFT) | + (((u32) hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) + << MAC_IPG_IFG_IPGR2_SHIFT); iowrite32(value, hw->hw_addr + REG_MAC_IPG_IFG); /* config Half-Duplex Control */ value = ((u32) hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | - (((u32) hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) - << MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | - MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | - (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | - (((u32) hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) - << MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); + (((u32) hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) + << MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | + MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | + (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | + (((u32) hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) + << MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); iowrite32(value, hw->hw_addr + REG_MAC_HALF_DUPLX_CTRL); /* set Interrupt Moderator Timer */ @@ -1109,10 +1106,10 @@ static u32 atl1_configure(struct atl1_adapter *adapter) /* jumbo size & rrd retirement timer */ value = (((u32) hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) << RXQ_JMBOSZ_TH_SHIFT) | - (((u32) hw->rx_jumbo_lkah & RXQ_JMBO_LKAH_MASK) - << RXQ_JMBO_LKAH_SHIFT) | - (((u32) hw->rrd_ret_timer & RXQ_RRD_TIMER_MASK) - << RXQ_RRD_TIMER_SHIFT); + (((u32) hw->rx_jumbo_lkah & RXQ_JMBO_LKAH_MASK) + << RXQ_JMBO_LKAH_SHIFT) | + (((u32) hw->rrd_ret_timer & RXQ_RRD_TIMER_MASK) + << RXQ_RRD_TIMER_SHIFT); iowrite32(value, hw->hw_addr + REG_RXQ_JMBOSZ_RRDTIM); /* Flow Control */ @@ -1131,35 +1128,36 @@ static u32 atl1_configure(struct atl1_adapter *adapter) /* config TXQ */ value = (((u32) hw->tpd_burst & TXQ_CTRL_TPD_BURST_NUM_MASK) << TXQ_CTRL_TPD_BURST_NUM_SHIFT) | - (((u32) hw->txf_burst & TXQ_CTRL_TXF_BURST_NUM_MASK) - << TXQ_CTRL_TXF_BURST_NUM_SHIFT) | - (((u32) hw->tpd_fetch_th & TXQ_CTRL_TPD_FETCH_TH_MASK) - << TXQ_CTRL_TPD_FETCH_TH_SHIFT) | TXQ_CTRL_ENH_MODE | TXQ_CTRL_EN; + (((u32) hw->txf_burst & TXQ_CTRL_TXF_BURST_NUM_MASK) + << TXQ_CTRL_TXF_BURST_NUM_SHIFT) | + (((u32) hw->tpd_fetch_th & TXQ_CTRL_TPD_FETCH_TH_MASK) + << TXQ_CTRL_TPD_FETCH_TH_SHIFT) | TXQ_CTRL_ENH_MODE | + TXQ_CTRL_EN; iowrite32(value, hw->hw_addr + REG_TXQ_CTRL); /* min tpd fetch gap & tx jumbo packet size threshold for taskoffload */ value = (((u32) hw->tx_jumbo_task_th & TX_JUMBO_TASK_TH_MASK) - << TX_JUMBO_TASK_TH_SHIFT) | - (((u32) hw->tpd_fetch_gap & TX_TPD_MIN_IPG_MASK) - << TX_TPD_MIN_IPG_SHIFT); + << TX_JUMBO_TASK_TH_SHIFT) | + (((u32) hw->tpd_fetch_gap & TX_TPD_MIN_IPG_MASK) + << TX_TPD_MIN_IPG_SHIFT); iowrite32(value, hw->hw_addr + REG_TX_JUMBO_TASK_TH_TPD_IPG); /* config RXQ */ value = (((u32) hw->rfd_burst & RXQ_CTRL_RFD_BURST_NUM_MASK) - << RXQ_CTRL_RFD_BURST_NUM_SHIFT) | - (((u32) hw->rrd_burst & RXQ_CTRL_RRD_BURST_THRESH_MASK) - << RXQ_CTRL_RRD_BURST_THRESH_SHIFT) | - (((u32) hw->rfd_fetch_gap & RXQ_CTRL_RFD_PREF_MIN_IPG_MASK) - << RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT) | - RXQ_CTRL_CUT_THRU_EN | RXQ_CTRL_EN; + << RXQ_CTRL_RFD_BURST_NUM_SHIFT) | + (((u32) hw->rrd_burst & RXQ_CTRL_RRD_BURST_THRESH_MASK) + << RXQ_CTRL_RRD_BURST_THRESH_SHIFT) | + (((u32) hw->rfd_fetch_gap & RXQ_CTRL_RFD_PREF_MIN_IPG_MASK) + << RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT) | RXQ_CTRL_CUT_THRU_EN | + RXQ_CTRL_EN; iowrite32(value, hw->hw_addr + REG_RXQ_CTRL); /* config DMA Engine */ value = ((((u32) hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | - ((((u32) hw->dmaw_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | - DMA_CTRL_DMAR_EN | DMA_CTRL_DMAW_EN; + << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | + ((((u32) hw->dmaw_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) + << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | DMA_CTRL_DMAR_EN | + DMA_CTRL_DMAW_EN; value |= (u32) hw->dma_ord; if (atl1_rcb_128 == hw->rcb_value) value |= DMA_CTRL_RCB_VALUE; @@ -1200,7 +1198,7 @@ static void atl1_irq_disable(struct atl1_adapter *adapter) } static void atl1_vlan_rx_register(struct net_device *netdev, - struct vlan_group *grp) + struct vlan_group *grp) { struct atl1_adapter *adapter = netdev_priv(netdev); unsigned long flags; @@ -1235,9 +1233,9 @@ static u16 tpd_avail(struct atl1_tpd_ring *tpd_ring) { u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); u16 next_to_use = atomic_read(&tpd_ring->next_to_use); - return ((next_to_clean > - next_to_use) ? next_to_clean - next_to_use - - 1 : tpd_ring->count + next_to_clean - next_to_use - 1); + return ((next_to_clean > next_to_use) ? + next_to_clean - next_to_use - 1 : + tpd_ring->count + next_to_clean - next_to_use - 1); } static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, @@ -1270,7 +1268,8 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, tso->tsopl |= (iph->ihl & CSUM_PARAM_IPHL_MASK) << CSUM_PARAM_IPHL_SHIFT; tso->tsopl |= (tcp_hdrlen(skb) & - TSO_PARAM_TCPHDRLEN_MASK) << TSO_PARAM_TCPHDRLEN_SHIFT; + TSO_PARAM_TCPHDRLEN_MASK) << + TSO_PARAM_TCPHDRLEN_SHIFT; tso->tsopl |= (skb_shinfo(skb)->gso_size & TSO_PARAM_MSS_MASK) << TSO_PARAM_MSS_SHIFT; tso->tsopl |= 1 << TSO_PARAM_IPCKSUM_SHIFT; @@ -1283,7 +1282,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, } static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, - struct csum_param *csum) + struct csum_param *csum) { u8 css, cso; @@ -1291,7 +1290,7 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, cso = skb_transport_offset(skb); css = cso + skb->csum_offset; if (unlikely(cso & 0x1)) { - dev_dbg(&adapter->pdev->dev, + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "payload offset not an even number\n"); return -1; } @@ -1306,8 +1305,8 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, return true; } -static void atl1_tx_map(struct atl1_adapter *adapter, - struct sk_buff *skb, bool tcp_seg) +static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb, + bool tcp_seg) { /* We enter this function holding a spinlock. */ struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; @@ -1344,7 +1343,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, if (first_buf_len > proto_hdr_len) { len12 = first_buf_len - proto_hdr_len; - m = (len12 + ATL1_MAX_TX_BUF_LEN - 1) / ATL1_MAX_TX_BUF_LEN; + m = (len12 + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; for (i = 0; i < m; i++) { buffer_info = &tpd_ring->buffer_info[tpd_next_to_use]; @@ -1354,16 +1354,14 @@ static void atl1_tx_map(struct atl1_adapter *adapter, len12) ? ATL1_MAX_TX_BUF_LEN : len12; len12 -= buffer_info->length; page = virt_to_page(skb->data + - (proto_hdr_len + - i * ATL1_MAX_TX_BUF_LEN)); + (proto_hdr_len + + i * ATL1_MAX_TX_BUF_LEN)); offset = (unsigned long)(skb->data + - (proto_hdr_len + - i * ATL1_MAX_TX_BUF_LEN)) & - ~PAGE_MASK; - buffer_info->dma = - pci_map_page(adapter->pdev, page, offset, - buffer_info->length, - PCI_DMA_TODEVICE); + (proto_hdr_len + + i * ATL1_MAX_TX_BUF_LEN)) & ~PAGE_MASK; + buffer_info->dma = pci_map_page(adapter->pdev, + page, offset, buffer_info->length, + PCI_DMA_TODEVICE); if (++tpd_next_to_use == tpd_ring->count) tpd_next_to_use = 0; } @@ -1374,8 +1372,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, page = virt_to_page(skb->data); offset = (unsigned long)skb->data & ~PAGE_MASK; buffer_info->dma = pci_map_page(adapter->pdev, page, - offset, first_buf_len, - PCI_DMA_TODEVICE); + offset, first_buf_len, PCI_DMA_TODEVICE); if (++tpd_next_to_use == tpd_ring->count) tpd_next_to_use = 0; } @@ -1393,13 +1390,13 @@ static void atl1_tx_map(struct atl1_adapter *adapter, if (unlikely(buffer_info->skb)) BUG(); buffer_info->skb = NULL; - buffer_info->length = - (lenf > ATL1_MAX_TX_BUF_LEN) ? ATL1_MAX_TX_BUF_LEN : lenf; + buffer_info->length = (lenf > ATL1_MAX_TX_BUF_LEN) ? + ATL1_MAX_TX_BUF_LEN : lenf; lenf -= buffer_info->length; - buffer_info->dma = - pci_map_page(adapter->pdev, frag->page, - frag->page_offset + i * ATL1_MAX_TX_BUF_LEN, - buffer_info->length, PCI_DMA_TODEVICE); + buffer_info->dma = pci_map_page(adapter->pdev, + frag->page, + frag->page_offset + (i * ATL1_MAX_TX_BUF_LEN), + buffer_info->length, PCI_DMA_TODEVICE); if (++tpd_next_to_use == tpd_ring->count) tpd_next_to_use = 0; @@ -1411,7 +1408,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, } static void atl1_tx_queue(struct atl1_adapter *adapter, int count, - union tpd_descr *descr) + union tpd_descr *descr) { /* We enter this function holding a spinlock. */ struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; @@ -1515,8 +1512,8 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) for (f = 0; f < nr_frags; f++) { frag_size = skb_shinfo(skb)->frags[f].size; if (frag_size) - count += - (frag_size + ATL1_MAX_TX_BUF_LEN - 1) / ATL1_MAX_TX_BUF_LEN; + count += (frag_size + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; } /* mss will be nonzero if we're doing segment offload (TSO/GSO) */ @@ -1532,7 +1529,8 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* need additional TPD ? */ if (proto_hdr_len != len) count += (len - proto_hdr_len + - ATL1_MAX_TX_BUF_LEN - 1) / ATL1_MAX_TX_BUF_LEN; + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; } } @@ -1540,7 +1538,7 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) if (!spin_trylock(&adapter->lock)) { /* Can't get lock - tell upper layer to requeue */ local_irq_restore(flags); - dev_dbg(&adapter->pdev->dev, "tx locked\n"); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "tx locked\n"); return NETDEV_TX_LOCKED; } @@ -1548,7 +1546,7 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* not enough descriptors */ netif_stop_queue(netdev); spin_unlock_irqrestore(&adapter->lock, flags); - dev_dbg(&adapter->pdev->dev, "tx busy\n"); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, "tx busy\n"); return NETDEV_TX_BUSY; } @@ -1619,10 +1617,8 @@ static void atl1_clean_rx_ring(struct atl1_adapter *adapter) for (i = 0; i < rfd_ring->count; i++) { buffer_info = &rfd_ring->buffer_info[i]; if (buffer_info->dma) { - pci_unmap_page(pdev, - buffer_info->dma, - buffer_info->length, - PCI_DMA_FROMDEVICE); + pci_unmap_page(pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_FROMDEVICE); buffer_info->dma = 0; } if (buffer_info->skb) { @@ -1661,7 +1657,7 @@ static void atl1_clean_tx_ring(struct atl1_adapter *adapter) buffer_info = &tpd_ring->buffer_info[i]; if (buffer_info->dma) { pci_unmap_page(pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_TODEVICE); + buffer_info->length, PCI_DMA_TODEVICE); buffer_info->dma = 0; } } @@ -1703,7 +1699,7 @@ void atl1_free_ring_resources(struct atl1_adapter *adapter) kfree(tpd_ring->buffer_info); pci_free_consistent(pdev, ring_header->size, ring_header->desc, - ring_header->dma); + ring_header->dma); tpd_ring->buffer_info = NULL; tpd_ring->desc = NULL; @@ -1752,11 +1748,6 @@ s32 atl1_up(struct atl1_adapter *adapter) atl1_check_link(adapter); return 0; - /* FIXME: unreachable code! -- CHS */ - /* free irq disable any interrupt */ - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - free_irq(adapter->pdev->irq, netdev); - err_up: pci_disable_msi(adapter->pdev); /* free rx_buffers */ @@ -1867,7 +1858,8 @@ static int mdio_read(struct net_device *netdev, int phy_id, int reg_num) return result; } -static void mdio_write(struct net_device *netdev, int phy_id, int reg_num, int val) +static void mdio_write(struct net_device *netdev, int phy_id, int reg_num, + int val) { struct atl1_adapter *adapter = netdev_priv(netdev); @@ -2015,11 +2007,14 @@ static void atl1_poll_controller(struct net_device *netdev) #endif /* + * Orphaned vendor comment left intact here: + * <vendor comment> * If TPD Buffer size equal to 0, PCIE DMAR_TO_INT * will assert. We do soft reset <0x1400=1> according * with the SPEC. BUT, it seemes that PCIE or DMA * state-machine will not be reset. DMAR_TO_INT will * assert again and again. + * </vendor comment> */ static void atl1_tx_timeout_task(struct work_struct *work) { @@ -2053,6 +2048,8 @@ static void atl1_link_chg_task(struct work_struct *work) static void atl1_pcie_patch(struct atl1_adapter *adapter) { u32 value; + + /* much vendor magic here */ value = 0x6500; iowrite32(value, adapter->hw.hw_addr + 0x12FC); /* pcie flow control mode change */ @@ -2089,7 +2086,7 @@ static void atl1_via_workaround(struct atl1_adapter *adapter) * and a hardware reset occur. */ static int __devinit atl1_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) + const struct pci_device_id *ent) { struct net_device *netdev; struct atl1_adapter *adapter; @@ -2143,7 +2140,7 @@ static int __devinit atl1_probe(struct pci_dev *pdev, } /* get device revision number */ adapter->hw.dev_rev = ioread16(adapter->hw.hw_addr + - (REG_MASTER_CTRL + 2)); + (REG_MASTER_CTRL + 2)); dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION); /* set default ring resource counts */ @@ -2296,7 +2293,8 @@ static void __devexit atl1_remove(struct pci_dev *pdev) * address, we need to save the permanent one. */ if (memcmp(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN)) { - memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN); + memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, + ETH_ALEN); atl1_set_mac_addr(&adapter->hw); } @@ -2363,11 +2361,11 @@ static int atl1_suspend(struct pci_dev *pdev, pm_message_t state) ctrl |= MAC_CTRL_RX_EN; iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL); pci_enable_wake(pdev, PCI_D3hot, 1); - pci_enable_wake(pdev, PCI_D3cold, 1); /* 4 == D3 cold */ + pci_enable_wake(pdev, PCI_D3cold, 1); } else { iowrite32(0, hw->hw_addr + REG_WOL_CTRL); pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); /* 4 == D3 cold */ + pci_enable_wake(pdev, PCI_D3cold, 0); } pci_save_state(pdev); @@ -2412,8 +2410,6 @@ static struct pci_driver atl1_driver = { .id_table = atl1_pci_tbl, .probe = atl1_probe, .remove = __devexit_p(atl1_remove), - /* Power Managment Hooks */ - /* probably broken right now -- CHS */ .suspend = atl1_suspend, .resume = atl1_resume }; |