diff options
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 568 |
1 files changed, 348 insertions, 220 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index c4ca1629f532..a39d4a4d871c 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel PRO/1000 Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2011 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -54,7 +54,7 @@ #define DRV_EXTRAVERSION "-k2" -#define DRV_VERSION "1.2.7" DRV_EXTRAVERSION +#define DRV_VERSION "1.3.10" DRV_EXTRAVERSION char e1000e_driver_name[] = "e1000e"; const char e1000e_driver_version[] = DRV_VERSION; @@ -77,17 +77,17 @@ struct e1000_reg_info { char *name; }; -#define E1000_RDFH 0x02410 /* Rx Data FIFO Head - RW */ -#define E1000_RDFT 0x02418 /* Rx Data FIFO Tail - RW */ -#define E1000_RDFHS 0x02420 /* Rx Data FIFO Head Saved - RW */ -#define E1000_RDFTS 0x02428 /* Rx Data FIFO Tail Saved - RW */ -#define E1000_RDFPC 0x02430 /* Rx Data FIFO Packet Count - RW */ +#define E1000_RDFH 0x02410 /* Rx Data FIFO Head - RW */ +#define E1000_RDFT 0x02418 /* Rx Data FIFO Tail - RW */ +#define E1000_RDFHS 0x02420 /* Rx Data FIFO Head Saved - RW */ +#define E1000_RDFTS 0x02428 /* Rx Data FIFO Tail Saved - RW */ +#define E1000_RDFPC 0x02430 /* Rx Data FIFO Packet Count - RW */ -#define E1000_TDFH 0x03410 /* Tx Data FIFO Head - RW */ -#define E1000_TDFT 0x03418 /* Tx Data FIFO Tail - RW */ -#define E1000_TDFHS 0x03420 /* Tx Data FIFO Head Saved - RW */ -#define E1000_TDFTS 0x03428 /* Tx Data FIFO Tail Saved - RW */ -#define E1000_TDFPC 0x03430 /* Tx Data FIFO Packet Count - RW */ +#define E1000_TDFH 0x03410 /* Tx Data FIFO Head - RW */ +#define E1000_TDFT 0x03418 /* Tx Data FIFO Tail - RW */ +#define E1000_TDFHS 0x03420 /* Tx Data FIFO Head Saved - RW */ +#define E1000_TDFTS 0x03428 /* Tx Data FIFO Tail Saved - RW */ +#define E1000_TDFPC 0x03430 /* Tx Data FIFO Packet Count - RW */ static const struct e1000_reg_info e1000_reg_info_tbl[] = { @@ -99,7 +99,7 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = { /* Interrupt Registers */ {E1000_ICR, "ICR"}, - /* RX Registers */ + /* Rx Registers */ {E1000_RCTL, "RCTL"}, {E1000_RDLEN, "RDLEN"}, {E1000_RDH, "RDH"}, @@ -115,7 +115,7 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = { {E1000_RDFTS, "RDFTS"}, {E1000_RDFPC, "RDFPC"}, - /* TX Registers */ + /* Tx Registers */ {E1000_TCTL, "TCTL"}, {E1000_TDBAL, "TDBAL"}, {E1000_TDBAH, "TDBAH"}, @@ -160,7 +160,7 @@ static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo) break; default: printk(KERN_INFO "%-15s %08x\n", - reginfo->name, __er32(hw, reginfo->ofs)); + reginfo->name, __er32(hw, reginfo->ofs)); return; } @@ -171,9 +171,8 @@ static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo) printk(KERN_CONT "\n"); } - /* - * e1000e_dump - Print registers, tx-ring and rx-ring + * e1000e_dump - Print registers, Tx-ring and Rx-ring */ static void e1000e_dump(struct e1000_adapter *adapter) { @@ -182,12 +181,20 @@ static void e1000e_dump(struct e1000_adapter *adapter) struct e1000_reg_info *reginfo; struct e1000_ring *tx_ring = adapter->tx_ring; struct e1000_tx_desc *tx_desc; - struct my_u0 { u64 a; u64 b; } *u0; + struct my_u0 { + u64 a; + u64 b; + } *u0; struct e1000_buffer *buffer_info; struct e1000_ring *rx_ring = adapter->rx_ring; union e1000_rx_desc_packet_split *rx_desc_ps; struct e1000_rx_desc *rx_desc; - struct my_u1 { u64 a; u64 b; u64 c; u64 d; } *u1; + struct my_u1 { + u64 a; + u64 b; + u64 c; + u64 d; + } *u1; u32 staterr; int i = 0; @@ -198,12 +205,10 @@ static void e1000e_dump(struct e1000_adapter *adapter) if (netdev) { dev_info(&adapter->pdev->dev, "Net device Info\n"); printk(KERN_INFO "Device Name state " - "trans_start last_rx\n"); + "trans_start last_rx\n"); printk(KERN_INFO "%-15s %016lX %016lX %016lX\n", - netdev->name, - netdev->state, - netdev->trans_start, - netdev->last_rx); + netdev->name, netdev->state, netdev->trans_start, + netdev->last_rx); } /* Print Registers */ @@ -214,26 +219,26 @@ static void e1000e_dump(struct e1000_adapter *adapter) e1000_regdump(hw, reginfo); } - /* Print TX Ring Summary */ + /* Print Tx Ring Summary */ if (!netdev || !netif_running(netdev)) goto exit; - dev_info(&adapter->pdev->dev, "TX Rings Summary\n"); + dev_info(&adapter->pdev->dev, "Tx Ring Summary\n"); printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma ]" - " leng ntw timestamp\n"); + " leng ntw timestamp\n"); buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean]; printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n", - 0, tx_ring->next_to_use, tx_ring->next_to_clean, - (unsigned long long)buffer_info->dma, - buffer_info->length, - buffer_info->next_to_watch, - (unsigned long long)buffer_info->time_stamp); + 0, tx_ring->next_to_use, tx_ring->next_to_clean, + (unsigned long long)buffer_info->dma, + buffer_info->length, + buffer_info->next_to_watch, + (unsigned long long)buffer_info->time_stamp); - /* Print TX Rings */ + /* Print Tx Ring */ if (!netif_msg_tx_done(adapter)) goto rx_ring_summary; - dev_info(&adapter->pdev->dev, "TX Rings Dump\n"); + dev_info(&adapter->pdev->dev, "Tx Ring Dump\n"); /* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended) * @@ -263,22 +268,22 @@ static void e1000e_dump(struct e1000_adapter *adapter) * 63 48 47 40 39 36 35 32 31 24 23 20 19 0 */ printk(KERN_INFO "Tl[desc] [address 63:0 ] [SpeCssSCmCsLen]" - " [bi->dma ] leng ntw timestamp bi->skb " - "<-- Legacy format\n"); + " [bi->dma ] leng ntw timestamp bi->skb " + "<-- Legacy format\n"); printk(KERN_INFO "Tc[desc] [Ce CoCsIpceCoS] [MssHlRSCm0Plen]" - " [bi->dma ] leng ntw timestamp bi->skb " - "<-- Ext Context format\n"); + " [bi->dma ] leng ntw timestamp bi->skb " + "<-- Ext Context format\n"); printk(KERN_INFO "Td[desc] [address 63:0 ] [VlaPoRSCm1Dlen]" - " [bi->dma ] leng ntw timestamp bi->skb " - "<-- Ext Data format\n"); + " [bi->dma ] leng ntw timestamp bi->skb " + "<-- Ext Data format\n"); for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) { tx_desc = E1000_TX_DESC(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; u0 = (struct my_u0 *)tx_desc; printk(KERN_INFO "T%c[0x%03X] %016llX %016llX %016llX " - "%04X %3X %016llX %p", - (!(le64_to_cpu(u0->b) & (1<<29)) ? 'l' : - ((le64_to_cpu(u0->b) & (1<<20)) ? 'd' : 'c')), i, + "%04X %3X %016llX %p", + (!(le64_to_cpu(u0->b) & (1 << 29)) ? 'l' : + ((le64_to_cpu(u0->b) & (1 << 20)) ? 'd' : 'c')), i, (unsigned long long)le64_to_cpu(u0->a), (unsigned long long)le64_to_cpu(u0->b), (unsigned long long)buffer_info->dma, @@ -296,22 +301,22 @@ static void e1000e_dump(struct e1000_adapter *adapter) if (netif_msg_pktdata(adapter) && buffer_info->dma != 0) print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, - 16, 1, phys_to_virt(buffer_info->dma), - buffer_info->length, true); + 16, 1, phys_to_virt(buffer_info->dma), + buffer_info->length, true); } - /* Print RX Rings Summary */ + /* Print Rx Ring Summary */ rx_ring_summary: - dev_info(&adapter->pdev->dev, "RX Rings Summary\n"); + dev_info(&adapter->pdev->dev, "Rx Ring Summary\n"); printk(KERN_INFO "Queue [NTU] [NTC]\n"); printk(KERN_INFO " %5d %5X %5X\n", 0, - rx_ring->next_to_use, rx_ring->next_to_clean); + rx_ring->next_to_use, rx_ring->next_to_clean); - /* Print RX Rings */ + /* Print Rx Ring */ if (!netif_msg_rx_status(adapter)) goto exit; - dev_info(&adapter->pdev->dev, "RX Rings Dump\n"); + dev_info(&adapter->pdev->dev, "Rx Ring Dump\n"); switch (adapter->rx_ps_pages) { case 1: case 2: @@ -329,7 +334,7 @@ rx_ring_summary: * +-----------------------------------------------------+ */ printk(KERN_INFO "R [desc] [buffer 0 63:0 ] " - "[buffer 1 63:0 ] " + "[buffer 1 63:0 ] " "[buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma ] " "[bi->skb] <-- Ext Pkt Split format\n"); /* [Extended] Receive Descriptor (Write-Back) Format @@ -344,7 +349,7 @@ rx_ring_summary: * 63 48 47 32 31 20 19 0 */ printk(KERN_INFO "RWB[desc] [ck ipid mrqhsh] " - "[vl l0 ee es] " + "[vl l0 ee es] " "[ l3 l2 l1 hs] [reserved ] ---------------- " "[bi->skb] <-- Ext Rx Write-Back format\n"); for (i = 0; i < rx_ring->count; i++) { @@ -352,26 +357,26 @@ rx_ring_summary: rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i); u1 = (struct my_u1 *)rx_desc_ps; staterr = - le32_to_cpu(rx_desc_ps->wb.middle.status_error); + le32_to_cpu(rx_desc_ps->wb.middle.status_error); if (staterr & E1000_RXD_STAT_DD) { /* Descriptor Done */ printk(KERN_INFO "RWB[0x%03X] %016llX " - "%016llX %016llX %016llX " - "---------------- %p", i, - (unsigned long long)le64_to_cpu(u1->a), - (unsigned long long)le64_to_cpu(u1->b), - (unsigned long long)le64_to_cpu(u1->c), - (unsigned long long)le64_to_cpu(u1->d), - buffer_info->skb); + "%016llX %016llX %016llX " + "---------------- %p", i, + (unsigned long long)le64_to_cpu(u1->a), + (unsigned long long)le64_to_cpu(u1->b), + (unsigned long long)le64_to_cpu(u1->c), + (unsigned long long)le64_to_cpu(u1->d), + buffer_info->skb); } else { printk(KERN_INFO "R [0x%03X] %016llX " - "%016llX %016llX %016llX %016llX %p", i, - (unsigned long long)le64_to_cpu(u1->a), - (unsigned long long)le64_to_cpu(u1->b), - (unsigned long long)le64_to_cpu(u1->c), - (unsigned long long)le64_to_cpu(u1->d), - (unsigned long long)buffer_info->dma, - buffer_info->skb); + "%016llX %016llX %016llX %016llX %p", i, + (unsigned long long)le64_to_cpu(u1->a), + (unsigned long long)le64_to_cpu(u1->b), + (unsigned long long)le64_to_cpu(u1->c), + (unsigned long long)le64_to_cpu(u1->d), + (unsigned long long)buffer_info->dma, + buffer_info->skb); if (netif_msg_pktdata(adapter)) print_hex_dump(KERN_INFO, "", @@ -400,18 +405,18 @@ rx_ring_summary: * 63 48 47 40 39 32 31 16 15 0 */ printk(KERN_INFO "Rl[desc] [address 63:0 ] " - "[vl er S cks ln] [bi->dma ] [bi->skb] " - "<-- Legacy format\n"); + "[vl er S cks ln] [bi->dma ] [bi->skb] " + "<-- Legacy format\n"); for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) { rx_desc = E1000_RX_DESC(*rx_ring, i); buffer_info = &rx_ring->buffer_info[i]; u0 = (struct my_u0 *)rx_desc; printk(KERN_INFO "Rl[0x%03X] %016llX %016llX " - "%016llX %p", i, - (unsigned long long)le64_to_cpu(u0->a), - (unsigned long long)le64_to_cpu(u0->b), - (unsigned long long)buffer_info->dma, - buffer_info->skb); + "%016llX %p", i, + (unsigned long long)le64_to_cpu(u0->a), + (unsigned long long)le64_to_cpu(u0->b), + (unsigned long long)buffer_info->dma, + buffer_info->skb); if (i == rx_ring->next_to_use) printk(KERN_CONT " NTU\n"); else if (i == rx_ring->next_to_clean) @@ -421,9 +426,10 @@ rx_ring_summary: if (netif_msg_pktdata(adapter)) print_hex_dump(KERN_INFO, "", - DUMP_PREFIX_ADDRESS, - 16, 1, phys_to_virt(buffer_info->dma), - adapter->rx_buffer_len, true); + DUMP_PREFIX_ADDRESS, + 16, 1, + phys_to_virt(buffer_info->dma), + adapter->rx_buffer_len, true); } } @@ -450,8 +456,7 @@ static int e1000_desc_unused(struct e1000_ring *ring) * @skb: pointer to sk_buff to be indicated to stack **/ static void e1000_receive_skb(struct e1000_adapter *adapter, - struct net_device *netdev, - struct sk_buff *skb, + struct net_device *netdev, struct sk_buff *skb, u8 status, __le16 vlan) { skb->protocol = eth_type_trans(skb, netdev); @@ -464,7 +469,7 @@ static void e1000_receive_skb(struct e1000_adapter *adapter, } /** - * e1000_rx_checksum - Receive Checksum Offload for 82543 + * e1000_rx_checksum - Receive Checksum Offload * @adapter: board private structure * @status_err: receive descriptor status and error fields * @csum: receive descriptor csum field @@ -548,7 +553,7 @@ map_skb: adapter->rx_buffer_len, DMA_FROM_DEVICE); if (dma_mapping_error(&pdev->dev, buffer_info->dma)) { - dev_err(&pdev->dev, "RX DMA map failed\n"); + dev_err(&pdev->dev, "Rx DMA map failed\n"); adapter->rx_dma_failed++; break; } @@ -601,7 +606,8 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, ps_page = &buffer_info->ps_pages[j]; if (j >= adapter->rx_ps_pages) { /* all unused desc entries get hw null ptr */ - rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0); + rx_desc->read.buffer_addr[j + 1] = + ~cpu_to_le64(0); continue; } if (!ps_page->page) { @@ -617,7 +623,7 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, if (dma_mapping_error(&pdev->dev, ps_page->dma)) { dev_err(&adapter->pdev->dev, - "RX DMA page map failed\n"); + "Rx DMA page map failed\n"); adapter->rx_dma_failed++; goto no_buffers; } @@ -627,8 +633,8 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, * didn't change because each write-back * erases this info. */ - rx_desc->read.buffer_addr[j+1] = - cpu_to_le64(ps_page->dma); + rx_desc->read.buffer_addr[j + 1] = + cpu_to_le64(ps_page->dma); } skb = netdev_alloc_skb_ip_align(netdev, @@ -644,7 +650,7 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, adapter->rx_ps_bsize0, DMA_FROM_DEVICE); if (dma_mapping_error(&pdev->dev, buffer_info->dma)) { - dev_err(&pdev->dev, "RX DMA map failed\n"); + dev_err(&pdev->dev, "Rx DMA map failed\n"); adapter->rx_dma_failed++; /* cleanup skb */ dev_kfree_skb_any(skb); @@ -662,7 +668,7 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, * such as IA-64). */ wmb(); - writel(i<<1, adapter->hw.hw_addr + rx_ring->tail); + writel(i << 1, adapter->hw.hw_addr + rx_ring->tail); } i++; @@ -894,8 +900,6 @@ next_desc: adapter->total_rx_bytes += total_rx_bytes; adapter->total_rx_packets += total_rx_packets; - netdev->stats.rx_bytes += total_rx_bytes; - netdev->stats.rx_packets += total_rx_packets; return cleaned; } @@ -931,6 +935,9 @@ static void e1000_print_hw_hang(struct work_struct *work) u16 phy_status, phy_1000t_status, phy_ext_status; u16 pci_status; + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + e1e_rphy(hw, PHY_STATUS, &phy_status); e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status); e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status); @@ -1051,8 +1058,6 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) } adapter->total_tx_bytes += total_tx_bytes; adapter->total_tx_packets += total_tx_packets; - netdev->stats.tx_bytes += total_tx_bytes; - netdev->stats.tx_packets += total_tx_packets; return count < tx_ring->count; } @@ -1106,11 +1111,10 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, cleaned = 1; cleaned_count++; dma_unmap_single(&pdev->dev, buffer_info->dma, - adapter->rx_ps_bsize0, - DMA_FROM_DEVICE); + adapter->rx_ps_bsize0, DMA_FROM_DEVICE); buffer_info->dma = 0; - /* see !EOP comment in other rx routine */ + /* see !EOP comment in other Rx routine */ if (!(staterr & E1000_RXD_STAT_EOP)) adapter->flags2 |= FLAG2_IS_DISCARDING; @@ -1240,8 +1244,6 @@ next_desc: adapter->total_rx_bytes += total_rx_bytes; adapter->total_rx_packets += total_rx_packets; - netdev->stats.rx_bytes += total_rx_bytes; - netdev->stats.rx_packets += total_rx_packets; return cleaned; } @@ -1320,12 +1322,12 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter, /* an error means any chain goes out the window * too */ if (rx_ring->rx_skb_top) - dev_kfree_skb(rx_ring->rx_skb_top); + dev_kfree_skb_irq(rx_ring->rx_skb_top); rx_ring->rx_skb_top = NULL; goto next_desc; } -#define rxtop rx_ring->rx_skb_top +#define rxtop (rx_ring->rx_skb_top) if (!(status & E1000_RXD_STAT_EOP)) { /* this descriptor is only the beginning (or middle) */ if (!rxtop) { @@ -1393,7 +1395,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter, /* eth type trans needs skb->data to point to something */ if (!pskb_may_pull(skb, ETH_HLEN)) { e_err("pskb_may_pull failed.\n"); - dev_kfree_skb(skb); + dev_kfree_skb_irq(skb); goto next_desc; } @@ -1421,8 +1423,6 @@ next_desc: adapter->total_rx_bytes += total_rx_bytes; adapter->total_rx_packets += total_rx_packets; - netdev->stats.rx_bytes += total_rx_bytes; - netdev->stats.rx_packets += total_rx_packets; return cleaned; } @@ -1501,6 +1501,9 @@ static void e1000e_downshift_workaround(struct work_struct *work) struct e1000_adapter *adapter = container_of(work, struct e1000_adapter, downshift_task); + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + e1000e_gig_downshift_workaround_ich8lan(&adapter->hw); } @@ -1806,9 +1809,8 @@ void e1000e_set_interrupt_capability(struct e1000_adapter *adapter) err = pci_enable_msix(adapter->pdev, adapter->msix_entries, adapter->num_vectors); - if (err == 0) { + if (err == 0) return; - } } /* MSI-X failed, so fall through and try MSI */ e_err("Failed to initialize MSI-X interrupts. " @@ -1847,7 +1849,9 @@ static int e1000_request_msix(struct e1000_adapter *adapter) int err = 0, vector = 0; if (strlen(netdev->name) < (IFNAMSIZ - 5)) - sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name); + snprintf(adapter->rx_ring->name, + sizeof(adapter->rx_ring->name) - 1, + "%s-rx-0", netdev->name); else memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ); err = request_irq(adapter->msix_entries[vector].vector, @@ -1860,7 +1864,9 @@ static int e1000_request_msix(struct e1000_adapter *adapter) vector++; if (strlen(netdev->name) < (IFNAMSIZ - 5)) - sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name); + snprintf(adapter->tx_ring->name, + sizeof(adapter->tx_ring->name) - 1, + "%s-tx-0", netdev->name); else memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ); err = request_irq(adapter->msix_entries[vector].vector, @@ -1981,15 +1987,15 @@ static void e1000_irq_enable(struct e1000_adapter *adapter) } /** - * e1000_get_hw_control - get control of the h/w from f/w + * e1000e_get_hw_control - get control of the h/w from f/w * @adapter: address of board private structure * - * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit. + * e1000e_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit. * For ASF and Pass Through versions of f/w this means that * the driver is loaded. For AMT version (only with 82573) * of the f/w this means that the network i/f is open. **/ -static void e1000_get_hw_control(struct e1000_adapter *adapter) +void e1000e_get_hw_control(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; u32 ctrl_ext; @@ -2006,16 +2012,16 @@ static void e1000_get_hw_control(struct e1000_adapter *adapter) } /** - * e1000_release_hw_control - release control of the h/w to f/w + * e1000e_release_hw_control - release control of the h/w to f/w * @adapter: address of board private structure * - * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit. + * e1000e_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit. * For ASF and Pass Through versions of f/w this means that the * driver is no longer loaded. For AMT version (only with 82573) i * of the f/w this means that the network i/f is closed. * **/ -static void e1000_release_hw_control(struct e1000_adapter *adapter) +void e1000e_release_hw_control(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; u32 ctrl_ext; @@ -2059,10 +2065,9 @@ int e1000e_setup_tx_resources(struct e1000_adapter *adapter) int err = -ENOMEM, size; size = sizeof(struct e1000_buffer) * tx_ring->count; - tx_ring->buffer_info = vmalloc(size); + tx_ring->buffer_info = vzalloc(size); if (!tx_ring->buffer_info) goto err; - memset(tx_ring->buffer_info, 0, size); /* round up to nearest 4K */ tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); @@ -2095,10 +2100,9 @@ int e1000e_setup_rx_resources(struct e1000_adapter *adapter) int i, size, desc_len, err = -ENOMEM; size = sizeof(struct e1000_buffer) * rx_ring->count; - rx_ring->buffer_info = vmalloc(size); + rx_ring->buffer_info = vzalloc(size); if (!rx_ring->buffer_info) goto err; - memset(rx_ring->buffer_info, 0, size); for (i = 0; i < rx_ring->count; i++) { buffer_info = &rx_ring->buffer_info[i]; @@ -2132,7 +2136,7 @@ err_pages: } err: vfree(rx_ring->buffer_info); - e_err("Unable to allocate memory for the transmit descriptor ring\n"); + e_err("Unable to allocate memory for the receive descriptor ring\n"); return err; } @@ -2200,9 +2204,8 @@ void e1000e_free_rx_resources(struct e1000_adapter *adapter) e1000_clean_rx_ring(adapter); - for (i = 0; i < rx_ring->count; i++) { + for (i = 0; i < rx_ring->count; i++) kfree(rx_ring->buffer_info[i].ps_pages); - } vfree(rx_ring->buffer_info); rx_ring->buffer_info = NULL; @@ -2242,20 +2245,18 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter, /* handle TSO and jumbo frames */ if (bytes/packets > 8000) retval = bulk_latency; - else if ((packets < 5) && (bytes > 512)) { + else if ((packets < 5) && (bytes > 512)) retval = low_latency; - } break; case low_latency: /* 50 usec aka 20000 ints/s */ if (bytes > 10000) { /* this if handles the TSO accounting */ - if (bytes/packets > 8000) { + if (bytes/packets > 8000) retval = bulk_latency; - } else if ((packets < 10) || ((bytes/packets) > 1200)) { + else if ((packets < 10) || ((bytes/packets) > 1200)) retval = bulk_latency; - } else if ((packets > 35)) { + else if ((packets > 35)) retval = lowest_latency; - } } else if (bytes/packets > 2000) { retval = bulk_latency; } else if (packets <= 2 && bytes < 512) { @@ -2264,9 +2265,8 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter, break; case bulk_latency: /* 250 usec aka 4000 ints/s */ if (bytes > 25000) { - if (packets > 35) { + if (packets > 35) retval = low_latency; - } } else if (bytes < 6000) { retval = low_latency; } @@ -2452,7 +2452,7 @@ static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) E1000_MNG_DHCP_COOKIE_STATUS_VLAN) && (vid == adapter->mng_vlan_id)) { /* release control to f/w */ - e1000_release_hw_control(adapter); + e1000e_release_hw_control(adapter); return; } @@ -2617,7 +2617,7 @@ static void e1000_init_manageability_pt(struct e1000_adapter *adapter) } /** - * e1000_configure_tx - Configure 8254x Transmit Unit after Reset + * e1000_configure_tx - Configure Transmit Unit after Reset * @adapter: board private structure * * Configure the Tx unit of the MAC after a reset. @@ -2670,7 +2670,7 @@ static void e1000_configure_tx(struct e1000_adapter *adapter) * hthresh = 1 ==> prefetch when one or more available * pthresh = 0x1f ==> prefetch if internal cache 31 or less * BEWARE: this seems to work but should be considered first if - * there are tx hangs or other tx related bugs + * there are Tx hangs or other Tx related bugs */ txdctl |= E1000_TXDCTL_DMA_BURST_ENABLE; ew32(TXDCTL(0), txdctl); @@ -2730,7 +2730,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; u32 rctl, rfctl; - u32 psrctl = 0; u32 pages = 0; /* Workaround Si errata on 82579 - configure jumbo frame flow */ @@ -2741,6 +2740,9 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true); else ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false); + + if (ret_val) + e_dbg("failed to enable jumbo frame workaround mode\n"); } /* Program MC offset vector base */ @@ -2826,6 +2828,8 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) adapter->rx_ps_pages = 0; if (adapter->rx_ps_pages) { + u32 psrctl = 0; + /* Configure extra packet-split registers */ rfctl = er32(RFCTL); rfctl |= E1000_RFCTL_EXTEN; @@ -2881,7 +2885,7 @@ static void e1000_configure_rx(struct e1000_adapter *adapter) if (adapter->rx_ps_pages) { /* this is a 32 byte descriptor */ rdlen = rx_ring->count * - sizeof(union e1000_rx_desc_packet_split); + sizeof(union e1000_rx_desc_packet_split); adapter->clean_rx = e1000_clean_rx_irq_ps; adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps; } else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) { @@ -2904,7 +2908,7 @@ static void e1000_configure_rx(struct e1000_adapter *adapter) /* * set the writeback threshold (only takes effect if the RDTR * is set). set GRAN=1 and write back up to 0x4 worth, and - * enable prefetching of 0x20 rx descriptors + * enable prefetching of 0x20 Rx descriptors * granularity = 01 * wthresh = 04, * hthresh = 04, @@ -2985,12 +2989,10 @@ static void e1000_configure_rx(struct e1000_adapter *adapter) * excessive C-state transition latencies result in * dropped transactions. */ - pm_qos_update_request( - &adapter->netdev->pm_qos_req, 55); + pm_qos_update_request(&adapter->netdev->pm_qos_req, 55); } else { - pm_qos_update_request( - &adapter->netdev->pm_qos_req, - PM_QOS_DEFAULT_VALUE); + pm_qos_update_request(&adapter->netdev->pm_qos_req, + PM_QOS_DEFAULT_VALUE); } } @@ -3029,7 +3031,6 @@ static void e1000_set_multi(struct net_device *netdev) struct netdev_hw_addr *ha; u8 *mta_list; u32 rctl; - int i; /* Check for Promiscuous and All Multicast modes */ @@ -3052,12 +3053,13 @@ static void e1000_set_multi(struct net_device *netdev) ew32(RCTL, rctl); if (!netdev_mc_empty(netdev)) { + int i = 0; + mta_list = kmalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC); if (!mta_list) return; /* prepare a packed array of only addresses. */ - i = 0; netdev_for_each_mc_addr(ha, netdev) memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN); @@ -3156,7 +3158,7 @@ void e1000e_reset(struct e1000_adapter *adapter) /* lower 16 bits has Rx packet buffer allocation size in KB */ pba &= 0xffff; /* - * the Tx fifo also stores 16 bytes of information about the tx + * the Tx fifo also stores 16 bytes of information about the Tx * but don't include ethernet FCS because hardware appends it */ min_tx_space = (adapter->max_frame_size + @@ -3179,7 +3181,7 @@ void e1000e_reset(struct e1000_adapter *adapter) pba -= min_tx_space - tx_space; /* - * if short on Rx space, Rx wins and must trump tx + * if short on Rx space, Rx wins and must trump Tx * adjustment or use Early Receive if available */ if ((pba < min_rx_space) && @@ -3191,7 +3193,6 @@ void e1000e_reset(struct e1000_adapter *adapter) ew32(PBA, pba); } - /* * flow control settings * @@ -3279,7 +3280,7 @@ void e1000e_reset(struct e1000_adapter *adapter) * that the network interface is in control */ if (adapter->flags & FLAG_HAS_AMT) - e1000_get_hw_control(adapter); + e1000e_get_hw_control(adapter); ew32(WUC, 0); @@ -3292,6 +3293,13 @@ void e1000e_reset(struct e1000_adapter *adapter) ew32(VET, ETH_P_8021Q); e1000e_reset_adaptive(hw); + + if (!netif_running(adapter->netdev) && + !test_bit(__E1000_TESTING, &adapter->state)) { + e1000_power_down_phy(adapter); + return; + } + e1000_get_phy_info(hw); if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) && @@ -3333,6 +3341,23 @@ int e1000e_up(struct e1000_adapter *adapter) return 0; } +static void e1000e_flush_descriptors(struct e1000_adapter *adapter) +{ + struct e1000_hw *hw = &adapter->hw; + + if (!(adapter->flags2 & FLAG2_DMA_BURST)) + return; + + /* flush pending descriptor writebacks to memory */ + ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD); + ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD); + + /* execute the writes immediately */ + e1e_flush(); +} + +static void e1000e_update_stats(struct e1000_adapter *adapter); + void e1000e_down(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; @@ -3367,11 +3392,19 @@ void e1000e_down(struct e1000_adapter *adapter) del_timer_sync(&adapter->phy_info_timer); netif_carrier_off(netdev); + + spin_lock(&adapter->stats64_lock); + e1000e_update_stats(adapter); + spin_unlock(&adapter->stats64_lock); + adapter->link_speed = 0; adapter->link_duplex = 0; if (!pci_channel_offline(adapter->pdev)) e1000e_reset(adapter); + + e1000e_flush_descriptors(adapter); + e1000_clean_tx_ring(adapter); e1000_clean_rx_ring(adapter); @@ -3408,6 +3441,8 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter) adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; + spin_lock_init(&adapter->stats64_lock); + e1000e_set_interrupt_capability(adapter); if (e1000_alloc_queues(adapter)) @@ -3577,7 +3612,7 @@ static int e1000_open(struct net_device *netdev) * interface is now open and reset the part to a known state. */ if (adapter->flags & FLAG_HAS_AMT) { - e1000_get_hw_control(adapter); + e1000e_get_hw_control(adapter); e1000e_reset(adapter); } @@ -3641,7 +3676,7 @@ static int e1000_open(struct net_device *netdev) return 0; err_req_irq: - e1000_release_hw_control(adapter); + e1000e_release_hw_control(adapter); e1000_power_down_phy(adapter); e1000e_free_rx_resources(adapter); err_setup_rx: @@ -3696,8 +3731,9 @@ static int e1000_close(struct net_device *netdev) * If AMT is enabled, let the firmware know that the network * interface is now closed */ - if (adapter->flags & FLAG_HAS_AMT) - e1000_release_hw_control(adapter); + if ((adapter->flags & FLAG_HAS_AMT) && + !test_bit(__E1000_TESTING, &adapter->state)) + e1000e_release_hw_control(adapter); if ((adapter->flags & FLAG_HAS_ERT) || (adapter->hw.mac.type == e1000_pch2lan)) @@ -3759,6 +3795,10 @@ static void e1000e_update_phy_task(struct work_struct *work) { struct e1000_adapter *adapter = container_of(work, struct e1000_adapter, update_phy_task); + + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + e1000_get_phy_info(&adapter->hw); } @@ -3769,6 +3809,10 @@ static void e1000e_update_phy_task(struct work_struct *work) static void e1000_update_phy_info(unsigned long data) { struct e1000_adapter *adapter = (struct e1000_adapter *) data; + + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + schedule_work(&adapter->update_phy_task); } @@ -3880,7 +3924,7 @@ release: * e1000e_update_stats - Update the board statistics counters * @adapter: board private structure **/ -void e1000e_update_stats(struct e1000_adapter *adapter) +static void e1000e_update_stats(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct e1000_hw *hw = &adapter->hw; @@ -3992,10 +4036,11 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; struct e1000_phy_regs *phy = &adapter->phy_regs; - int ret_val; if ((er32(STATUS) & E1000_STATUS_LU) && (adapter->hw.phy.media_type == e1000_media_type_copper)) { + int ret_val; + ret_val = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr); ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr); ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise); @@ -4036,11 +4081,11 @@ static void e1000_print_link_info(struct e1000_adapter *adapter) adapter->netdev->name, adapter->link_speed, (adapter->link_duplex == FULL_DUPLEX) ? - "Full Duplex" : "Half Duplex", + "Full Duplex" : "Half Duplex", ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ? - "RX/TX" : - ((ctrl & E1000_CTRL_RFCE) ? "RX" : - ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" ))); + "Rx/Tx" : + ((ctrl & E1000_CTRL_RFCE) ? "Rx" : + ((ctrl & E1000_CTRL_TFCE) ? "Tx" : "None"))); } static bool e1000e_has_link(struct e1000_adapter *adapter) @@ -4141,7 +4186,9 @@ static void e1000_watchdog_task(struct work_struct *work) struct e1000_ring *tx_ring = adapter->tx_ring; struct e1000_hw *hw = &adapter->hw; u32 link, tctl; - int tx_pending = 0; + + if (test_bit(__E1000_DOWN, &adapter->state)) + return; link = e1000e_has_link(adapter); if ((netif_carrier_ok(netdev)) && link) { @@ -4279,7 +4326,9 @@ static void e1000_watchdog_task(struct work_struct *work) } link_up: + spin_lock(&adapter->stats64_lock); e1000e_update_stats(adapter); + spin_unlock(&adapter->stats64_lock); mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old; adapter->tpt_old = adapter->stats.tpt; @@ -4293,21 +4342,17 @@ link_up: e1000e_update_adaptive(&adapter->hw); - if (!netif_carrier_ok(netdev)) { - tx_pending = (e1000_desc_unused(tx_ring) + 1 < - tx_ring->count); - if (tx_pending) { - /* - * We've lost link, so the controller stops DMA, - * but we've got queued Tx work that's never going - * to get done, so reset controller to flush Tx. - * (Do the reset outside of interrupt context). - */ - adapter->tx_timeout_count++; - schedule_work(&adapter->reset_task); - /* return immediately since reset is imminent */ - return; - } + if (!netif_carrier_ok(netdev) && + (e1000_desc_unused(tx_ring) + 1 < tx_ring->count)) { + /* + * We've lost link, so the controller stops DMA, + * but we've got queued Tx work that's never going + * to get done, so reset controller to flush Tx. + * (Do the reset outside of interrupt context). + */ + schedule_work(&adapter->reset_task); + /* return immediately since reset is imminent */ + return; } /* Simple mode for Interrupt Throttle Rate (ITR) */ @@ -4332,19 +4377,12 @@ link_up: else ew32(ICS, E1000_ICS_RXDMT0); + /* flush pending descriptors to memory before detecting Tx hang */ + e1000e_flush_descriptors(adapter); + /* Force detection of hung controller every watchdog period */ adapter->detect_tx_hung = 1; - /* flush partial descriptors to memory before detecting tx hang */ - if (adapter->flags2 & FLAG2_DMA_BURST) { - ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD); - ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD); - /* - * no need to flush the writes because the timeout code does - * an er32 first thing - */ - } - /* * With 82571 controllers, LAA may be overwritten due to controller * reset from the other port. Set the appropriate LAA in RAR[0] @@ -4378,13 +4416,13 @@ static int e1000_tso(struct e1000_adapter *adapter, u32 cmd_length = 0; u16 ipcse = 0, tucse, mss; u8 ipcss, ipcso, tucss, tucso, hdr_len; - int err; if (!skb_is_gso(skb)) return 0; if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); + int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); + if (err) return err; } @@ -4475,7 +4513,7 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb) break; } - css = skb_transport_offset(skb); + css = skb_checksum_start_offset(skb); i = tx_ring->next_to_use; buffer_info = &tx_ring->buffer_info[i]; @@ -4526,7 +4564,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter, buffer_info->next_to_watch = i; buffer_info->dma = dma_map_single(&pdev->dev, skb->data + offset, - size, DMA_TO_DEVICE); + size, DMA_TO_DEVICE); buffer_info->mapped_as_page = false; if (dma_mapping_error(&pdev->dev, buffer_info->dma)) goto dma_error; @@ -4573,7 +4611,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter, } } - segs = skb_shinfo(skb)->gso_segs ?: 1; + segs = skb_shinfo(skb)->gso_segs ? : 1; /* multiply data chunks by size of headers */ bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len; @@ -4585,17 +4623,17 @@ static int e1000_tx_map(struct e1000_adapter *adapter, return count; dma_error: - dev_err(&pdev->dev, "TX DMA map failed\n"); + dev_err(&pdev->dev, "Tx DMA map failed\n"); buffer_info->dma = 0; if (count) count--; while (count--) { - if (i==0) + if (i == 0) i += tx_ring->count; i--; buffer_info = &tx_ring->buffer_info[i]; - e1000_put_txbuf(adapter, buffer_info);; + e1000_put_txbuf(adapter, buffer_info); } return 0; @@ -4631,7 +4669,7 @@ static void e1000_tx_queue(struct e1000_adapter *adapter, i = tx_ring->next_to_use; - while (count--) { + do { buffer_info = &tx_ring->buffer_info[i]; tx_desc = E1000_TX_DESC(*tx_ring, i); tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma); @@ -4642,7 +4680,7 @@ static void e1000_tx_queue(struct e1000_adapter *adapter, i++; if (i == tx_ring->count) i = 0; - } + } while (--count > 0); tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd); @@ -4882,6 +4920,10 @@ static void e1000_reset_task(struct work_struct *work) struct e1000_adapter *adapter; adapter = container_of(work, struct e1000_adapter, reset_task); + /* don't run the task if already down */ + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) && (adapter->flags & FLAG_RX_RESTART_NOW))) { e1000e_dump(adapter); @@ -4891,16 +4933,55 @@ static void e1000_reset_task(struct work_struct *work) } /** - * e1000_get_stats - Get System Network Statistics + * e1000_get_stats64 - Get System Network Statistics * @netdev: network interface device structure + * @stats: rtnl_link_stats64 pointer * * Returns the address of the device statistics structure. - * The statistics are actually updated from the timer callback. **/ -static struct net_device_stats *e1000_get_stats(struct net_device *netdev) +struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev, + struct rtnl_link_stats64 *stats) { - /* only return the current stats */ - return &netdev->stats; + struct e1000_adapter *adapter = netdev_priv(netdev); + + memset(stats, 0, sizeof(struct rtnl_link_stats64)); + spin_lock(&adapter->stats64_lock); + e1000e_update_stats(adapter); + /* Fill out the OS statistics structure */ + stats->rx_bytes = adapter->stats.gorc; + stats->rx_packets = adapter->stats.gprc; + stats->tx_bytes = adapter->stats.gotc; + stats->tx_packets = adapter->stats.gptc; + stats->multicast = adapter->stats.mprc; + stats->collisions = adapter->stats.colc; + + /* Rx Errors */ + + /* + * RLEC on some newer hardware can be incorrect so build + * our own version based on RUC and ROC + */ + stats->rx_errors = adapter->stats.rxerrc + + adapter->stats.crcerrs + adapter->stats.algnerrc + + adapter->stats.ruc + adapter->stats.roc + + adapter->stats.cexterr; + stats->rx_length_errors = adapter->stats.ruc + + adapter->stats.roc; + stats->rx_crc_errors = adapter->stats.crcerrs; + stats->rx_frame_errors = adapter->stats.algnerrc; + stats->rx_missed_errors = adapter->stats.mpc; + + /* Tx Errors */ + stats->tx_errors = adapter->stats.ecol + + adapter->stats.latecol; + stats->tx_aborted_errors = adapter->stats.ecol; + stats->tx_window_errors = adapter->stats.latecol; + stats->tx_carrier_errors = adapter->stats.tncrs; + + /* Tx Dropped needs to be maintained elsewhere */ + + spin_unlock(&adapter->stats64_lock); + return stats; } /** @@ -5216,7 +5297,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake, * Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ - e1000_release_hw_control(adapter); + e1000e_release_hw_control(adapter); pci_disable_device(pdev); @@ -5301,7 +5382,7 @@ void e1000e_disable_aspm(struct pci_dev *pdev, u16 state) __e1000e_disable_aspm(pdev, state); } -#ifdef CONFIG_PM_OPS +#ifdef CONFIG_PM static bool e1000e_pm_ready(struct e1000_adapter *adapter) { return !!adapter->tx_ring->buffer_info; @@ -5373,7 +5454,7 @@ static int __e1000_resume(struct pci_dev *pdev) * under the control of the driver. */ if (!(adapter->flags & FLAG_HAS_AMT)) - e1000_get_hw_control(adapter); + e1000e_get_hw_control(adapter); return 0; } @@ -5452,7 +5533,7 @@ static int e1000_runtime_resume(struct device *dev) return __e1000_resume(pdev); } #endif /* CONFIG_PM_RUNTIME */ -#endif /* CONFIG_PM_OPS */ +#endif /* CONFIG_PM */ static void e1000_shutdown(struct pci_dev *pdev) { @@ -5465,6 +5546,37 @@ static void e1000_shutdown(struct pci_dev *pdev) } #ifdef CONFIG_NET_POLL_CONTROLLER + +static irqreturn_t e1000_intr_msix(int irq, void *data) +{ + struct net_device *netdev = data; + struct e1000_adapter *adapter = netdev_priv(netdev); + + if (adapter->msix_entries) { + int vector, msix_irq; + + vector = 0; + msix_irq = adapter->msix_entries[vector].vector; + disable_irq(msix_irq); + e1000_intr_msix_rx(msix_irq, netdev); + enable_irq(msix_irq); + + vector++; + msix_irq = adapter->msix_entries[vector].vector; + disable_irq(msix_irq); + e1000_intr_msix_tx(msix_irq, netdev); + enable_irq(msix_irq); + + vector++; + msix_irq = adapter->msix_entries[vector].vector; + disable_irq(msix_irq); + e1000_msix_other(msix_irq, netdev); + enable_irq(msix_irq); + } + + return IRQ_HANDLED; +} + /* * Polling 'interrupt' - used by things like netconsole to send skbs * without having to re-enable interrupts. It's not called while @@ -5474,10 +5586,21 @@ static void e1000_netpoll(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); - disable_irq(adapter->pdev->irq); - e1000_intr(adapter->pdev->irq, netdev); - - enable_irq(adapter->pdev->irq); + switch (adapter->int_mode) { + case E1000E_INT_MODE_MSIX: + e1000_intr_msix(adapter->pdev->irq, netdev); + break; + case E1000E_INT_MODE_MSI: + disable_irq(adapter->pdev->irq); + e1000_intr_msi(adapter->pdev->irq, netdev); + enable_irq(adapter->pdev->irq); + break; + default: /* E1000E_INT_MODE_LEGACY */ + disable_irq(adapter->pdev->irq); + e1000_intr(adapter->pdev->irq, netdev); + enable_irq(adapter->pdev->irq); + break; + } } #endif @@ -5579,7 +5702,7 @@ static void e1000_io_resume(struct pci_dev *pdev) * under the control of the driver. */ if (!(adapter->flags & FLAG_HAS_AMT)) - e1000_get_hw_control(adapter); + e1000e_get_hw_control(adapter); } @@ -5587,7 +5710,8 @@ static void e1000_print_device_info(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; - u32 pba_num; + u32 ret_val; + u8 pba_str[E1000_PBANUM_LENGTH]; /* print bus type/speed/width info */ e_info("(PCI Express:2.5GB/s:%s) %pM\n", @@ -5598,9 +5722,12 @@ static void e1000_print_device_info(struct e1000_adapter *adapter) netdev->dev_addr); e_info("Intel(R) PRO/%s Network Connection\n", (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000"); - e1000e_read_pba_num(hw, &pba_num); - e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n", - hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff)); + ret_val = e1000_read_pba_string_generic(hw, pba_str, + E1000_PBANUM_LENGTH); + if (ret_val) + strncpy((char *)pba_str, "Unknown", sizeof(pba_str) - 1); + e_info("MAC: %d, PHY: %d, PBA No: %s\n", + hw->mac.type, hw->phy.type, pba_str); } static void e1000_eeprom_checks(struct e1000_adapter *adapter) @@ -5624,7 +5751,7 @@ static const struct net_device_ops e1000e_netdev_ops = { .ndo_open = e1000_open, .ndo_stop = e1000_close, .ndo_start_xmit = e1000_xmit_frame, - .ndo_get_stats = e1000_get_stats, + .ndo_get_stats64 = e1000e_get_stats64, .ndo_set_multicast_list = e1000_set_multi, .ndo_set_mac_address = e1000_set_mac, .ndo_change_mtu = e1000_change_mtu, @@ -5864,6 +5991,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround); INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task); INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang); + INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task); /* Initialize link parameters. User can change them with ethtool */ adapter->hw.mac.autoneg = 1; @@ -5884,7 +6012,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, /* APME bit in EEPROM is mapped to WUC.APME */ eeprom_data = er32(WUC); eeprom_apme_mask = E1000_WUC_APME; - if (eeprom_data & E1000_WUC_PHY_WAKE) + if ((hw->mac.type > e1000_ich10lan) && + (eeprom_data & E1000_WUC_PHY_WAKE)) adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP; } else if (adapter->flags & FLAG_APME_IN_CTRL3) { if (adapter->flags & FLAG_APME_CHECK_PORT_B && @@ -5924,9 +6053,9 @@ static int __devinit e1000_probe(struct pci_dev *pdev, * under the control of the driver. */ if (!(adapter->flags & FLAG_HAS_AMT)) - e1000_get_hw_control(adapter); + e1000e_get_hw_control(adapter); - strcpy(netdev->name, "eth%d"); + strncpy(netdev->name, "eth%d", sizeof(netdev->name) - 1); err = register_netdev(netdev); if (err) goto err_register; @@ -5943,12 +6072,11 @@ static int __devinit e1000_probe(struct pci_dev *pdev, err_register: if (!(adapter->flags & FLAG_HAS_AMT)) - e1000_release_hw_control(adapter); + e1000e_release_hw_control(adapter); err_eeprom: if (!e1000_check_reset_block(&adapter->hw)) e1000_phy_hw_reset(&adapter->hw); err_hw_init: - kfree(adapter->tx_ring); kfree(adapter->rx_ring); err_sw_init: @@ -5984,8 +6112,8 @@ static void __devexit e1000_remove(struct pci_dev *pdev) bool down = test_bit(__E1000_DOWN, &adapter->state); /* - * flush_scheduled work may reschedule our watchdog task, so - * explicitly disable watchdog tasks from being rescheduled + * The timers may be rescheduled, so explicitly disable them + * from being rescheduled. */ if (!down) set_bit(__E1000_DOWN, &adapter->state); @@ -5996,8 +6124,8 @@ static void __devexit e1000_remove(struct pci_dev *pdev) cancel_work_sync(&adapter->watchdog_task); cancel_work_sync(&adapter->downshift_task); cancel_work_sync(&adapter->update_phy_task); + cancel_work_sync(&adapter->led_blink_task); cancel_work_sync(&adapter->print_hang_task); - flush_scheduled_work(); if (!(netdev->flags & IFF_UP)) e1000_power_down_phy(adapter); @@ -6014,7 +6142,7 @@ static void __devexit e1000_remove(struct pci_dev *pdev) * Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ - e1000_release_hw_control(adapter); + e1000e_release_hw_control(adapter); e1000e_reset_interrupt_capability(adapter); kfree(adapter->tx_ring); @@ -6113,7 +6241,7 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = { }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); -#ifdef CONFIG_PM_OPS +#ifdef CONFIG_PM static const struct dev_pm_ops e1000_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume) SET_RUNTIME_PM_OPS(e1000_runtime_suspend, @@ -6127,7 +6255,7 @@ static struct pci_driver e1000_driver = { .id_table = e1000_pci_tbl, .probe = e1000_probe, .remove = __devexit_p(e1000_remove), -#ifdef CONFIG_PM_OPS +#ifdef CONFIG_PM .driver.pm = &e1000_pm_ops, #endif .shutdown = e1000_shutdown, @@ -6145,7 +6273,7 @@ static int __init e1000_init_module(void) int ret; pr_info("Intel(R) PRO/1000 Network Driver - %s\n", e1000e_driver_version); - pr_info("Copyright (c) 1999 - 2010 Intel Corporation.\n"); + pr_info("Copyright(c) 1999 - 2011 Intel Corporation.\n"); ret = pci_register_driver(&e1000_driver); return ret; |