diff options
Diffstat (limited to 'drivers/net/qlge/qlge_main.c')
| -rw-r--r-- | drivers/net/qlge/qlge_main.c | 705 |
1 files changed, 507 insertions, 198 deletions
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 7783c5d..707b391 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -34,7 +34,6 @@ #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/skbuff.h> -#include <linux/rtnetlink.h> #include <linux/if_vlan.h> #include <linux/delay.h> #include <linux/mm.h> @@ -70,9 +69,9 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); #define MSIX_IRQ 0 #define MSI_IRQ 1 #define LEG_IRQ 2 -static int irq_type = MSIX_IRQ; -module_param(irq_type, int, MSIX_IRQ); -MODULE_PARM_DESC(irq_type, "0 = MSI-X, 1 = MSI, 2 = Legacy."); +static int qlge_irq_type = MSIX_IRQ; +module_param(qlge_irq_type, int, MSIX_IRQ); +MODULE_PARM_DESC(qlge_irq_type, "0 = MSI-X, 1 = MSI, 2 = Legacy."); static struct pci_device_id qlge_pci_tbl[] __devinitdata = { {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID_8012)}, @@ -321,6 +320,37 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, switch (type) { case MAC_ADDR_TYPE_MULTI_MAC: + { + u32 upper = (addr[0] << 8) | addr[1]; + u32 lower = (addr[2] << 24) | (addr[3] << 16) | + (addr[4] << 8) | (addr[5]); + + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, 0); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, (offset++) | + (index << MAC_ADDR_IDX_SHIFT) | + type | MAC_ADDR_E); + ql_write32(qdev, MAC_ADDR_DATA, lower); + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, 0); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, (offset++) | + (index << MAC_ADDR_IDX_SHIFT) | + type | MAC_ADDR_E); + + ql_write32(qdev, MAC_ADDR_DATA, upper); + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, 0); + if (status) + goto exit; + break; + } case MAC_ADDR_TYPE_CAM_MAC: { u32 cam_output; @@ -366,16 +396,14 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, and possibly the function id. Right now we hardcode the route field to NIC core. */ - if (type == MAC_ADDR_TYPE_CAM_MAC) { - cam_output = (CAM_OUT_ROUTE_NIC | - (qdev-> - func << CAM_OUT_FUNC_SHIFT) | - (0 << CAM_OUT_CQ_ID_SHIFT)); - if (qdev->vlgrp) - cam_output |= CAM_OUT_RV; - /* route to NIC core */ - ql_write32(qdev, MAC_ADDR_DATA, cam_output); - } + cam_output = (CAM_OUT_ROUTE_NIC | + (qdev-> + func << CAM_OUT_FUNC_SHIFT) | + (0 << CAM_OUT_CQ_ID_SHIFT)); + if (qdev->vlgrp) + cam_output |= CAM_OUT_RV; + /* route to NIC core */ + ql_write32(qdev, MAC_ADDR_DATA, cam_output); break; } case MAC_ADDR_TYPE_VLAN: @@ -547,14 +575,14 @@ static int ql_set_routing_reg(struct ql_adapter *qdev, u32 index, u32 mask, } case RT_IDX_MCAST: /* Pass up All Multicast frames. */ { - value = RT_IDX_DST_CAM_Q | /* dest */ + value = RT_IDX_DST_DFLT_Q | /* dest */ RT_IDX_TYPE_NICQ | /* type */ (RT_IDX_ALLMULTI_SLOT << RT_IDX_IDX_SHIFT);/* index */ break; } case RT_IDX_MCAST_MATCH: /* Pass up matched Multicast frames. */ { - value = RT_IDX_DST_CAM_Q | /* dest */ + value = RT_IDX_DST_DFLT_Q | /* dest */ RT_IDX_TYPE_NICQ | /* type */ (RT_IDX_MCAST_MATCH_SLOT << RT_IDX_IDX_SHIFT);/* index */ break; @@ -997,6 +1025,11 @@ end: return status; } +static inline unsigned int ql_lbq_block_size(struct ql_adapter *qdev) +{ + return PAGE_SIZE << qdev->lbq_buf_order; +} + /* Get the next large buffer. */ static struct bq_desc *ql_get_curr_lbuf(struct rx_ring *rx_ring) { @@ -1008,6 +1041,28 @@ static struct bq_desc *ql_get_curr_lbuf(struct rx_ring *rx_ring) return lbq_desc; } +static struct bq_desc *ql_get_curr_lchunk(struct ql_adapter *qdev, + struct rx_ring *rx_ring) +{ + struct bq_desc *lbq_desc = ql_get_curr_lbuf(rx_ring); + + pci_dma_sync_single_for_cpu(qdev->pdev, + pci_unmap_addr(lbq_desc, mapaddr), + rx_ring->lbq_buf_size, + PCI_DMA_FROMDEVICE); + + /* If it's the last chunk of our master page then + * we unmap it. + */ + if ((lbq_desc->p.pg_chunk.offset + rx_ring->lbq_buf_size) + == ql_lbq_block_size(qdev)) + pci_unmap_page(qdev->pdev, + lbq_desc->p.pg_chunk.map, + ql_lbq_block_size(qdev), + PCI_DMA_FROMDEVICE); + return lbq_desc; +} + /* Get the next small buffer. */ static struct bq_desc *ql_get_curr_sbuf(struct rx_ring *rx_ring) { @@ -1035,6 +1090,53 @@ static void ql_write_cq_idx(struct rx_ring *rx_ring) ql_write_db_reg(rx_ring->cnsmr_idx, rx_ring->cnsmr_idx_db_reg); } +static int ql_get_next_chunk(struct ql_adapter *qdev, struct rx_ring *rx_ring, + struct bq_desc *lbq_desc) +{ + if (!rx_ring->pg_chunk.page) { + u64 map; + rx_ring->pg_chunk.page = alloc_pages(__GFP_COLD | __GFP_COMP | + GFP_ATOMIC, + qdev->lbq_buf_order); + if (unlikely(!rx_ring->pg_chunk.page)) { + QPRINTK(qdev, DRV, ERR, + "page allocation failed.\n"); + return -ENOMEM; + } + rx_ring->pg_chunk.offset = 0; + map = pci_map_page(qdev->pdev, rx_ring->pg_chunk.page, + 0, ql_lbq_block_size(qdev), + PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(qdev->pdev, map)) { + __free_pages(rx_ring->pg_chunk.page, + qdev->lbq_buf_order); + QPRINTK(qdev, DRV, ERR, + "PCI mapping failed.\n"); + return -ENOMEM; + } + rx_ring->pg_chunk.map = map; + rx_ring->pg_chunk.va = page_address(rx_ring->pg_chunk.page); + } + + /* Copy the current master pg_chunk info + * to the current descriptor. + */ + lbq_desc->p.pg_chunk = rx_ring->pg_chunk; + + /* Adjust the master page chunk for next + * buffer get. + */ + rx_ring->pg_chunk.offset += rx_ring->lbq_buf_size; + if (rx_ring->pg_chunk.offset == ql_lbq_block_size(qdev)) { + rx_ring->pg_chunk.page = NULL; + lbq_desc->p.pg_chunk.last_flag = 1; + } else { + rx_ring->pg_chunk.va += rx_ring->lbq_buf_size; + get_page(rx_ring->pg_chunk.page); + lbq_desc->p.pg_chunk.last_flag = 0; + } + return 0; +} /* Process (refill) a large buffer queue. */ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) { @@ -1044,39 +1146,28 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) u64 map; int i; - while (rx_ring->lbq_free_cnt > 16) { + while (rx_ring->lbq_free_cnt > 32) { for (i = 0; i < 16; i++) { QPRINTK(qdev, RX_STATUS, DEBUG, "lbq: try cleaning clean_idx = %d.\n", clean_idx); lbq_desc = &rx_ring->lbq[clean_idx]; - if (lbq_desc->p.lbq_page == NULL) { - QPRINTK(qdev, RX_STATUS, DEBUG, - "lbq: getting new page for index %d.\n", - lbq_desc->index); - lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC); - if (lbq_desc->p.lbq_page == NULL) { - rx_ring->lbq_clean_idx = clean_idx; - QPRINTK(qdev, RX_STATUS, ERR, - "Couldn't get a page.\n"); - return; - } - map = pci_map_page(qdev->pdev, - lbq_desc->p.lbq_page, - 0, PAGE_SIZE, - PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(qdev->pdev, map)) { - rx_ring->lbq_clean_idx = clean_idx; - put_page(lbq_desc->p.lbq_page); - lbq_desc->p.lbq_page = NULL; - QPRINTK(qdev, RX_STATUS, ERR, - "PCI mapping failed.\n"); + if (ql_get_next_chunk(qdev, rx_ring, lbq_desc)) { + QPRINTK(qdev, IFUP, ERR, + "Could not get a page chunk.\n"); return; } + + map = lbq_desc->p.pg_chunk.map + + lbq_desc->p.pg_chunk.offset; pci_unmap_addr_set(lbq_desc, mapaddr, map); - pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE); + pci_unmap_len_set(lbq_desc, maplen, + rx_ring->lbq_buf_size); *lbq_desc->addr = cpu_to_le64(map); - } + + pci_dma_sync_single_for_device(qdev->pdev, map, + rx_ring->lbq_buf_size, + PCI_DMA_FROMDEVICE); clean_idx++; if (clean_idx == rx_ring->lbq_len) clean_idx = 0; @@ -1119,7 +1210,7 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) sbq_desc->index); sbq_desc->p.skb = netdev_alloc_skb(qdev->ndev, - rx_ring->sbq_buf_size); + SMALL_BUFFER_SIZE); if (sbq_desc->p.skb == NULL) { QPRINTK(qdev, PROBE, ERR, "Couldn't get an skb.\n"); @@ -1129,8 +1220,8 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) skb_reserve(sbq_desc->p.skb, QLGE_SB_PAD); map = pci_map_single(qdev->pdev, sbq_desc->p.skb->data, - rx_ring->sbq_buf_size / - 2, PCI_DMA_FROMDEVICE); + rx_ring->sbq_buf_size, + PCI_DMA_FROMDEVICE); if (pci_dma_mapping_error(qdev->pdev, map)) { QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n"); rx_ring->sbq_clean_idx = clean_idx; @@ -1140,7 +1231,7 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) } pci_unmap_addr_set(sbq_desc, mapaddr, map); pci_unmap_len_set(sbq_desc, maplen, - rx_ring->sbq_buf_size / 2); + rx_ring->sbq_buf_size); *sbq_desc->addr = cpu_to_le64(map); } @@ -1452,27 +1543,24 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, * chain it to the header buffer's skb and let * it rip. */ - lbq_desc = ql_get_curr_lbuf(rx_ring); - pci_unmap_page(qdev->pdev, - pci_unmap_addr(lbq_desc, - mapaddr), - pci_unmap_len(lbq_desc, maplen), - PCI_DMA_FROMDEVICE); + lbq_desc = ql_get_curr_lchunk(qdev, rx_ring); QPRINTK(qdev, RX_STATUS, DEBUG, - "Chaining page to skb.\n"); - skb_fill_page_desc(skb, 0, lbq_desc->p.lbq_page, - 0, length); + "Chaining page at offset = %d," + "for %d bytes to skb.\n", + lbq_desc->p.pg_chunk.offset, length); + skb_fill_page_desc(skb, 0, lbq_desc->p.pg_chunk.page, + lbq_desc->p.pg_chunk.offset, + length); skb->len += length; skb->data_len += length; skb->truesize += length; - lbq_desc->p.lbq_page = NULL; } else { /* * The headers and data are in a single large buffer. We * copy it to a new skb and let it go. This can happen with * jumbo mtu on a non-TCP/UDP frame. */ - lbq_desc = ql_get_curr_lbuf(rx_ring); + lbq_desc = ql_get_curr_lchunk(qdev, rx_ring); skb = netdev_alloc_skb(qdev->ndev, length); if (skb == NULL) { QPRINTK(qdev, PROBE, DEBUG, @@ -1487,13 +1575,14 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, skb_reserve(skb, NET_IP_ALIGN); QPRINTK(qdev, RX_STATUS, DEBUG, "%d bytes of headers and data in large. Chain page to new skb and pull tail.\n", length); - skb_fill_page_desc(skb, 0, lbq_desc->p.lbq_page, - 0, length); + skb_fill_page_desc(skb, 0, + lbq_desc->p.pg_chunk.page, + lbq_desc->p.pg_chunk.offset, + length); skb->len += length; skb->data_len += length; skb->truesize += length; length -= length; - lbq_desc->p.lbq_page = NULL; __pskb_pull_tail(skb, (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ? VLAN_ETH_HLEN : ETH_HLEN); @@ -1510,8 +1599,7 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, * frames. If the MTU goes up we could * eventually be in trouble. */ - int size, offset, i = 0; - __le64 *bq, bq_array[8]; + int size, i = 0; sbq_desc = ql_get_curr_sbuf(rx_ring); pci_unmap_single(qdev->pdev, pci_unmap_addr(sbq_desc, mapaddr), @@ -1530,37 +1618,25 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, QPRINTK(qdev, RX_STATUS, DEBUG, "%d bytes of headers & data in chain of large.\n", length); skb = sbq_desc->p.skb; - bq = &bq_array[0]; - memcpy(bq, skb->data, sizeof(bq_array)); sbq_desc->p.skb = NULL; skb_reserve(skb, NET_IP_ALIGN); - } else { - QPRINTK(qdev, RX_STATUS, DEBUG, - "Headers in small, %d bytes of data in chain of large.\n", length); - bq = (__le64 *)sbq_desc->p.skb->data; } while (length > 0) { - lbq_desc = ql_get_curr_lbuf(rx_ring); - pci_unmap_page(qdev->pdev, - pci_unmap_addr(lbq_desc, - mapaddr), - pci_unmap_len(lbq_desc, - maplen), - PCI_DMA_FROMDEVICE); - size = (length < PAGE_SIZE) ? length : PAGE_SIZE; - offset = 0; + lbq_desc = ql_get_curr_lchunk(qdev, rx_ring); + size = (length < rx_ring->lbq_buf_size) ? length : + rx_ring->lbq_buf_size; QPRINTK(qdev, RX_STATUS, DEBUG, "Adding page %d to skb for %d bytes.\n", i, size); - skb_fill_page_desc(skb, i, lbq_desc->p.lbq_page, - offset, size); + skb_fill_page_desc(skb, i, + lbq_desc->p.pg_chunk.page, + lbq_desc->p.pg_chunk.offset, + size); skb->len += size; skb->data_len += size; skb->truesize += size; length -= size; - lbq_desc->p.lbq_page = NULL; - bq++; i++; } __pskb_pull_tail(skb, (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ? @@ -1585,6 +1661,7 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev, if (unlikely(!skb)) { QPRINTK(qdev, RX_STATUS, DEBUG, "No skb available, drop packet.\n"); + rx_ring->rx_dropped++; return; } @@ -1593,6 +1670,7 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev, QPRINTK(qdev, DRV, ERR, "Receive error, flags2 = 0x%x\n", ib_mac_rsp->flags2); dev_kfree_skb_any(skb); + rx_ring->rx_errors++; return; } @@ -1601,6 +1679,14 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev, */ if (skb->len > ndev->mtu + ETH_HLEN) { dev_kfree_skb_any(skb); + rx_ring->rx_dropped++; + return; + } + + /* loopback self test for ethtool */ + if (test_bit(QL_SELFTEST, &qdev->flags)) { + ql_check_lb_frame(qdev, skb); + dev_kfree_skb_any(skb); return; } @@ -1614,6 +1700,7 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev, IB_MAC_IOCB_RSP_M_REG ? "Registered" : "", (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) == IB_MAC_IOCB_RSP_M_PROM ? "Promiscuous" : ""); + rx_ring->rx_multicast++; } if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_P) { QPRINTK(qdev, RX_STATUS, DEBUG, "Promiscuous Packet.\n"); @@ -1645,8 +1732,8 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev, } } - qdev->stats.rx_packets++; - qdev->stats.rx_bytes += skb->len; + rx_ring->rx_packets++; + rx_ring->rx_bytes += skb->len; skb_record_rx_queue(skb, rx_ring->cq_id); if (skb->ip_summed == CHECKSUM_UNNECESSARY) { if (qdev->vlgrp && @@ -1677,8 +1764,8 @@ static void ql_process_mac_tx_intr(struct ql_adapter *qdev, tx_ring = &qdev->tx_ring[mac_rsp->txq_idx]; tx_ring_desc = &tx_ring->q[mac_rsp->tid]; ql_unmap_send(qdev, tx_ring_desc, tx_ring_desc->map_cnt); - qdev->stats.tx_bytes += (tx_ring_desc->skb)->len; - qdev->stats.tx_packets++; + tx_ring->tx_bytes += (tx_ring_desc->skb)->len; + tx_ring->tx_packets++; dev_kfree_skb(tx_ring_desc->skb); tx_ring_desc->skb = NULL; @@ -1901,7 +1988,7 @@ static int ql_napi_poll_msix(struct napi_struct *napi, int budget) return work_done; } -static void ql_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp) +static void qlge_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp) { struct ql_adapter *qdev = netdev_priv(ndev); @@ -1917,7 +2004,7 @@ static void ql_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp) } } -static void ql_vlan_rx_add_vid(struct net_device *ndev, u16 vid) +static void qlge_vlan_rx_add_vid(struct net_device *ndev, u16 vid) { struct ql_adapter *qdev = netdev_priv(ndev); u32 enable_bit = MAC_ADDR_E; @@ -1926,16 +2013,14 @@ static void ql_vlan_rx_add_vid(struct net_device *ndev, u16 vid) status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK); if (status) return; - spin_lock(&qdev->hw_lock); if (ql_set_mac_addr_reg (qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) { QPRINTK(qdev, IFUP, ERR, "Failed to init vlan address.\n"); } - spin_unlock(&qdev->hw_lock); ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK); } -static void ql_vlan_rx_kill_vid(struct net_device *ndev, u16 vid) +static void qlge_vlan_rx_kill_vid(struct net_device *ndev, u16 vid) { struct ql_adapter *qdev = netdev_priv(ndev); u32 enable_bit = 0; @@ -1945,12 +2030,10 @@ static void ql_vlan_rx_kill_vid(struct net_device *ndev, u16 vid) if (status) return; - spin_lock(&qdev->hw_lock); if (ql_set_mac_addr_reg (qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) { QPRINTK(qdev, IFUP, ERR, "Failed to clear vlan address.\n"); } - spin_unlock(&qdev->hw_lock); ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK); } @@ -2001,15 +2084,17 @@ static irqreturn_t qlge_isr(int irq, void *dev_id) /* * Check MPI processor activity. */ - if (var & STS_PI) { + if ((var & STS_PI) && + (ql_read32(qdev, INTR_MASK) & INTR_MASK_PI)) { /* * We've got an async event or mailbox completion. * Handle it and clear the source of the interrupt. */ QPRINTK(qdev, INTR, ERR, "Got MPI processor interrupt.\n"); ql_disable_completion_interrupt(qdev, intr_context->intr); - queue_delayed_work_on(smp_processor_id(), qdev->workqueue, - &qdev->mpi_work, 0); + ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16)); + queue_delayed_work_on(smp_processor_id(), + qdev->workqueue, &qdev->mpi_work, 0); work_done++; } @@ -2020,12 +2105,12 @@ static irqreturn_t qlge_isr(int irq, void *dev_id) */ var = ql_read32(qdev, ISR1); if (var & intr_context->irq_mask) { - QPRINTK(qdev, INTR, INFO, + QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[0].\n"); ql_disable_completion_interrupt(qdev, intr_context->intr); - napi_schedule(&rx_ring->napi); - work_done++; - } + napi_schedule(&rx_ring->napi); + work_done++; + } ql_enable_completion_interrupt(qdev, intr_context->intr); return work_done ? IRQ_HANDLED : IRQ_NONE; } @@ -2123,6 +2208,7 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev) __func__, tx_ring_idx); netif_stop_subqueue(ndev, tx_ring->wq_id); atomic_inc(&tx_ring->queue_stopped); + tx_ring->tx_errors++; return NETDEV_TX_BUSY; } tx_ring_desc = &tx_ring->q[tx_ring->prod_idx]; @@ -2157,6 +2243,7 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev) NETDEV_TX_OK) { QPRINTK(qdev, TX_QUEUED, ERR, "Could not map the segments.\n"); + tx_ring->tx_errors++; return NETDEV_TX_BUSY; } QL_DUMP_OB_MAC_IOCB(mac_iocb_ptr); @@ -2173,6 +2260,7 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev) return NETDEV_TX_OK; } + static void ql_free_shadow_space(struct ql_adapter *qdev) { if (qdev->rx_ring_shadow_reg_area) { @@ -2259,8 +2347,8 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev, pci_alloc_consistent(qdev->pdev, tx_ring->wq_size, &tx_ring->wq_base_dma); - if ((tx_ring->wq_base == NULL) - || tx_ring->wq_base_dma & WQ_ADDR_ALIGN) { + if ((tx_ring->wq_base == NULL) || + tx_ring->wq_base_dma & WQ_ADDR_ALIGN) { QPRINTK(qdev, IFUP, ERR, "tx_ring alloc failed.\n"); return -ENOMEM; } @@ -2278,20 +2366,29 @@ err: static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring) { - int i; struct bq_desc *lbq_desc; - for (i = 0; i < rx_ring->lbq_len; i++) { - lbq_desc = &rx_ring->lbq[i]; - if (lbq_desc->p.lbq_page) { + uint32_t curr_idx, clean_idx; + + curr_idx = rx_ring->lbq_curr_idx; + clean_idx = rx_ring->lbq_clean_idx; + while (curr_idx != clean_idx) { + lbq_desc = &rx_ring->lbq[curr_idx]; + + if (lbq_desc->p.pg_chunk.last_flag) { pci_unmap_page(qdev->pdev, - pci_unmap_addr(lbq_desc, mapaddr), - pci_unmap_len(lbq_desc, maplen), + lbq_desc->p.pg_chunk.map, + ql_lbq_block_size(qdev), PCI_DMA_FROMDEVICE); - - put_page(lbq_desc->p.lbq_page); - lbq_desc->p.lbq_page = NULL; + lbq_desc->p.pg_chunk.last_flag = 0; } + + put_page(lbq_desc->p.pg_chunk.page); + lbq_desc->p.pg_chunk.page = NULL; + + if (++curr_idx == rx_ring->lbq_len) + curr_idx = 0; + } } @@ -2589,6 +2686,7 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) /* Set up the shadow registers for this ring. */ rx_ring->prod_idx_sh_reg = shadow_reg; rx_ring->prod_idx_sh_reg_dma = shadow_reg_dma; + *rx_ring->prod_idx_sh_reg = 0; shadow_reg += sizeof(u64); shadow_reg_dma += sizeof(u64); rx_ring->lbq_base_indirect = shadow_reg; @@ -2666,7 +2764,7 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) cqicb->sbq_addr = cpu_to_le64(rx_ring->sbq_base_indirect_dma); cqicb->sbq_buf_size = - cpu_to_le16((u16)(rx_ring->sbq_buf_size/2)); + cpu_to_le16((u16)(rx_ring->sbq_buf_size)); bq_len = (rx_ring->sbq_len == 65536) ? 0 : (u16) rx_ring->sbq_len; cqicb->sbq_len = cpu_to_le16(bq_len); @@ -2772,7 +2870,7 @@ static void ql_enable_msix(struct ql_adapter *qdev) int i, err; /* Get the MSIX vectors. */ - if (irq_type == MSIX_IRQ) { + if (qlge_irq_type == MSIX_IRQ) { /* Try to alloc space for the msix struct, * if it fails then go to MSI/legacy. */ @@ -2780,7 +2878,7 @@ static void ql_enable_msix(struct ql_adapter *qdev) sizeof(struct msix_entry), GFP_KERNEL); if (!qdev->msi_x_entry) { - irq_type = MSI_IRQ; + qlge_irq_type = MSI_IRQ; goto msi; } @@ -2803,7 +2901,7 @@ static void ql_enable_msix(struct ql_adapter *qdev) QPRINTK(qdev, IFUP, WARNING, "MSI-X Enable failed, trying MSI.\n"); qdev->intr_count = 1; - irq_type = MSI_IRQ; + qlge_irq_type = MSI_IRQ; } else if (err == 0) { set_bit(QL_MSIX_ENABLED, &qdev->flags); QPRINTK(qdev, IFUP, INFO, @@ -2814,7 +2912,7 @@ static void ql_enable_msix(struct ql_adapter *qdev) } msi: qdev->intr_count = 1; - if (irq_type == MSI_IRQ) { + if (qlge_irq_type == MSI_IRQ) { if (!pci_enable_msi(qdev->pdev)) { set_bit(QL_MSI_ENABLED, &qdev->flags); QPRINTK(qdev, IFUP, INFO, @@ -2822,7 +2920,7 @@ msi: return; } } - irq_type = LEG_IRQ; + qlge_irq_type = LEG_IRQ; QPRINTK(qdev, IFUP, DEBUG, "Running with legacy interrupts.\n"); } @@ -3080,6 +3178,12 @@ err_irq: static int ql_start_rss(struct ql_adapter *qdev) { + u8 init_hash_seed[] = {0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2, + 0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f, + 0xb0, 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b, + 0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80, + 0x30, 0xf2, 0x0c, 0x6a, 0x42, 0xb7, 0x3b, + 0xbe, 0xac, 0x01, 0xfa}; struct ricb *ricb = &qdev->ricb; int status = 0; int i; @@ -3089,21 +3193,17 @@ static int ql_start_rss(struct ql_adapter *qdev) ricb->base_cq = RSS_L4K; ricb->flags = - (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RI4 | RSS_RI6 | RSS_RT4 | - RSS_RT6); - ricb->mask = cpu_to_le16(qdev->rss_ring_count - 1); + (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RT4 | RSS_RT6); + ricb->mask = cpu_to_le16((u16)(0x3ff)); /* * Fill out the Indirection Table. */ - for (i = 0; i < 256; i++) - hash_id[i] = i & (qdev->rss_ring_count - 1); + for (i = 0; i < 1024; i++) + hash_id[i] = (i & (qdev->rss_ring_count - 1)); - /* - * Random values for the IPv6 and IPv4 Hash Keys. - */ - get_random_bytes((void *)&ricb->ipv6_hash_key[0], 40); - get_random_bytes((void *)&ricb->ipv4_hash_key[0], 16); + memcpy((void *)&ricb->ipv6_hash_key[0], init_hash_seed, 40); + memcpy((void *)&ricb->ipv4_hash_key[0], init_hash_seed, 16); QPRINTK(qdev, IFUP, DEBUG, "Initializing RSS.\n"); @@ -3142,14 +3242,14 @@ static int ql_route_initialize(struct ql_adapter *qdev) { int status = 0; - status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK); + /* Clear all the entries in the routing table. */ + status = ql_clear_routing_entries(qdev); if (status) return status; - /* Clear all the entries in the routing table. */ - status = ql_clear_routing_entries(qdev); + status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK); if (status) - goto exit; + return status; status = ql_set_routing_reg(qdev, RT_IDX_ALL_ERR_SLOT, RT_IDX_ERR, 1); if (status) { @@ -3240,7 +3340,30 @@ static int ql_adapter_initialize(struct ql_adapter *qdev) ql_write32(qdev, FSC, mask | value); ql_write32(qdev, SPLT_HDR, SPLT_HDR_EP | - min(SMALL_BUFFER_SIZE, MAX_SPLIT_SIZE)); + min(SMALL_BUF_MAP_SIZE, MAX_SPLIT_SIZE)); + + /* Set RX packet routing to use port/pci function on which the + * packet arrived on in addition to usual frame routing. + * This is helpful on bonding where both interfaces can have + * the same MAC address. + */ + ql_write32(qdev, RST_FO, RST_FO_RR_MASK | RST_FO_RR_RCV_FUNC_CQ); + /* Reroute all packets to our Interface. + * They may have been routed to MPI firmware + * due to WOL. + */ + value = ql_read32(qdev, MGMT_RCV_CFG); + value &= ~MGMT_RCV_CFG_RM; + mask = 0xffff0000; + + /* Sticky reg needs clearing due to WOL. */ + ql_write32(qdev, MGMT_RCV_CFG, mask); + ql_write32(qdev, MGMT_RCV_CFG, mask | value); + + /* Default WOL is enable on Mezz cards */ + if (qdev->pdev->subsystem_device == 0x0068 || + qdev->pdev->subsystem_device == 0x0180) + qdev->wol = WAKE_MAGIC; /* Start up the rx queues. */ for (i = 0; i < qdev->rx_ring_count; i++) { @@ -3275,10 +3398,8 @@ static int ql_adapter_initialize(struct ql_adapter *qdev) /* Initialize the port and set the max framesize. */ status = qdev->nic_ops->port_initialize(qdev); - if (status) { - QPRINTK(qdev, IFUP, ERR, "Failed to start port.\n"); - return status; - } + if (status) + QPRINTK(qdev, IFUP, ERR, "Failed to start port.\n"); /* Set up the MAC address and frame routing filter. */ status = ql_cam_route_initialize(qdev); @@ -3314,6 +3435,13 @@ static int ql_adapter_reset(struct ql_adapter *qdev) end_jiffies = jiffies + max((unsigned long)1, usecs_to_jiffies(30)); + + /* Stop management traffic. */ + ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_STOP); + + /* Wait for the NIC and MGMNT FIFOs to empty. */ + ql_wait_fifo_empty(qdev); + ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR); do { @@ -3329,6 +3457,8 @@ static int ql_adapter_reset(struct ql_adapter *qdev) status = -ETIMEDOUT; } + /* Resume management traffic. */ + ql_mb_set_mgmnt_traffic_ctl(qdev, MB_SET_MPI_TFK_RESUME); return status; } @@ -3348,6 +3478,52 @@ static void ql_display_dev_info(struct net_device *ndev) QPRINTK(qdev, PROBE, INFO, "MAC address %pM\n", ndev->dev_addr); } +int ql_wol(struct ql_adapter *qdev) +{ + int status = 0; + u32 wol = MB_WOL_DISABLE; + + /* The CAM is still intact after a reset, but if we + * are doing WOL, then we may need to program the + * routing regs. We would also need to issue the mailbox + * commands to instruct the MPI what to do per the ethtool + * settings. + */ + + if (qdev->wol & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_PHY | WAKE_UCAST | + WAKE_MCAST | WAKE_BCAST)) { + QPRINTK(qdev, IFDOWN, ERR, + "Unsupported WOL paramter. qdev->wol = 0x%x.\n", + qdev->wol); + return -EINVAL; + } + + if (qdev->wol & WAKE_MAGIC) { + status = ql_mb_wol_set_magic(qdev, 1); + if (status) { + QPRINTK(qdev, IFDOWN, ERR, + "Failed to set magic packet on %s.\n", + qdev->ndev->name); + return status; + } else + QPRINTK(qdev, DRV, INFO, + "Enabled magic packet successfully on %s.\n", + qdev->ndev->name); + + wol |= MB_WOL_MAGIC_PKT; + } + + if (qdev->wol) { + wol |= MB_WOL_MODE_ON; + status = ql_mb_wol_mode(qdev, wol); + QPRINTK(qdev, DRV, ERR, "WOL %s (wol code 0x%x) on %s\n", + (status == 0) ? "Sucessfully set" : "Failed", wol, + qdev->ndev->name); + } + + return status; +} + static int ql_adapter_down(struct ql_adapter *qdev) { int i, status = 0; @@ -3380,12 +3556,10 @@ static int ql_adapter_down(struct ql_adapter *qdev) ql_free_rx_buffers(qdev); - spin_lock(&qdev->hw_lock); status = ql_adapter_reset(qdev); if (status) QPRINTK(qdev, IFDOWN, ERR, "reset(func #%d) FAILED!\n", qdev->func); - spin_unlock(&qdev->hw_lock); return status; } @@ -3455,6 +3629,10 @@ static int ql_configure_rings(struct ql_adapter *qdev) struct rx_ring *rx_ring; struct tx_ring *tx_ring; int cpu_cnt = min(MAX_CPUS, (int)num_online_cpus()); + unsigned int lbq_buf_len = (qdev->ndev->mtu > 1500) ? + LARGE_BUFFER_MAX_SIZE : LARGE_BUFFER_MIN_SIZE; + + qdev->lbq_buf_order = get_order(lbq_buf_len); /* In a perfect world we have one RSS ring for each CPU * and each has it's own vector. To do that we ask for @@ -3502,11 +3680,14 @@ static int ql_configure_rings(struct ql_adapter *qdev) rx_ring->lbq_len = NUM_LARGE_BUFFERS; rx_ring->lbq_size = rx_ring->lbq_len * sizeof(__le64); - rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE; + rx_ring->lbq_buf_size = (u16)lbq_buf_len; + QPRINTK(qdev, IFUP, DEBUG, + "lbq_buf_size %d, order = %d\n", + rx_ring->lbq_buf_size, qdev->lbq_buf_order); rx_ring->sbq_len = NUM_SMALL_BUFFERS; rx_ring->sbq_size = rx_ring->sbq_len * sizeof(__le64); - rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2; + rx_ring->sbq_buf_size = SMALL_BUF_MAP_SIZE; rx_ring->type = RX_Q; } else { /* @@ -3533,6 +3714,10 @@ static int qlge_open(struct net_device *ndev) int err = 0; struct ql_adapter *qdev = netdev_priv(ndev); + err = ql_adapter_reset(qdev); + if (err) + return err; + err = ql_configure_rings(qdev); if (err) return err; @@ -3552,14 +3737,63 @@ error_up: return err; } +static int ql_change_rx_buffers(struct ql_adapter *qdev) +{ + struct rx_ring *rx_ring; + int i, status; + u32 lbq_buf_len; + + /* Wait for an oustanding reset to complete. */ + if (!test_bit(QL_ADAPTER_UP, &qdev->flags)) { + int i = 3; + while (i-- && !test_bit(QL_ADAPTER_UP, &qdev->flags)) { + QPRINTK(qdev, IFUP, ERR, + "Waiting for adapter UP...\n"); + ssleep(1); + } + + if (!i) { + QPRINTK(qdev, IFUP, ERR, + "Timed out waiting for adapter UP\n"); + return -ETIMEDOUT; + } + } + + status = ql_adapter_down(qdev); + if (status) + goto error; + + /* Get the new rx buffer size. */ + lbq_buf_len = (qdev->ndev->mtu > 1500) ? + LARGE_BUFFER_MAX_SIZE : LARGE_BUFFER_MIN_SIZE; + qdev->lbq_buf_order = get_order(lbq_buf_len); + + for (i = 0; i < qdev->rss_ring_count; i++) { + rx_ring = &qdev->rx_ring[i]; + /* Set the new size. */ + rx_ring->lbq_buf_size = lbq_buf_len; + } + + status = ql_adapter_up(qdev); + if (status) + goto error; + + return status; +error: + QPRINTK(qdev, IFUP, ALERT, + "Driver up/down cycle failed, closing device.\n"); + set_bit(QL_ADAPTER_UP, &qdev->flags); + dev_close(qdev->ndev); + return status; +} + static int qlge_change_mtu(struct net_device *ndev, int new_mtu) { struct ql_adapter *qdev = netdev_priv(ndev); + int status; if (ndev->mtu == 1500 && new_mtu == 9000) { QPRINTK(qdev, IFUP, ERR, "Changing to jumbo MTU.\n"); - queue_delayed_work(qdev->workqueue, - &qdev->mpi_port_cfg_work, 0); } else if (ndev->mtu == 9000 && new_mtu == 1500) { QPRINTK(qdev, IFUP, ERR, "Changing to normal MTU.\n"); } else if ((ndev->mtu == 1500 && new_mtu == 1500) || @@ -3567,15 +3801,60 @@ static int qlge_change_mtu(struct net_device *ndev, int new_mtu) return 0; } else return -EINVAL; + + queue_delayed_work(qdev->workqueue, + &qdev->mpi_port_cfg_work, 3*HZ); + + if (!netif_running(qdev->ndev)) { + ndev->mtu = new_mtu; + return 0; + } + ndev->mtu = new_mtu; - return 0; + status = ql_change_rx_buffers(qdev); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Changing MTU failed.\n"); + } + + return status; } static struct net_device_stats *qlge_get_stats(struct net_device *ndev) { struct ql_adapter *qdev = netdev_priv(ndev); - return &qdev->stats; + struct rx_ring *rx_ring = &qdev->rx_ring[0]; + struct tx_ring *tx_ring = &qdev->tx_ring[0]; + unsigned long pkts, mcast, dropped, errors, bytes; + int i; + + /* Get RX stats. */ + pkts = mcast = dropped = errors = bytes = 0; + for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) { + pkts += rx_ring->rx_packets; + bytes += rx_ring->rx_bytes; + dropped += rx_ring->rx_dropped; + errors += rx_ring->rx_errors; + mcast += rx_ring->rx_multicast; + } + ndev->stats.rx_packets = pkts; + ndev->stats.rx_bytes = bytes; + ndev->stats.rx_dropped = dropped; + ndev->stats.rx_errors = errors; + ndev->stats.multicast = mcast; + + /* Get TX stats. */ + pkts = errors = bytes = 0; + for (i = 0; i < qdev->tx_ring_count; i++, tx_ring++) { + pkts += tx_ring->tx_packets; + bytes += tx_ring->tx_bytes; + errors += tx_ring->tx_errors; + } + ndev->stats.tx_packets = pkts; + ndev->stats.tx_bytes = bytes; + ndev->stats.tx_errors = errors; + return &ndev->stats; } static void qlge_set_multicast_list(struct net_device *ndev) @@ -3587,7 +3866,6 @@ static void qlge_set_multicast_list(struct net_device *ndev) status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK); if (status) return; - spin_lock(&qdev->hw_lock); /* * Set or clear promiscuous mode if a * transition is taking place. @@ -3664,7 +3942,6 @@ static void qlge_set_multicast_list(struct net_device *ndev) } } exit: - spin_unlock(&qdev->hw_lock); ql_sem_unlock(qdev, SEM_RT_IDX_MASK); } @@ -3674,9 +3951,6 @@ static int qlge_set_mac_address(struct net_device *ndev, void *p) struct sockaddr *addr = p; int status; - if (netif_running(ndev)) - return -EBUSY; - if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len); @@ -3684,10 +3958,8 @@ static int qlge_set_mac_address(struct net_device *ndev, void *p) status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK); if (status) return status; - spin_lock(&qdev->hw_lock); status = ql_set_mac_addr_reg(qdev, (u8 *) ndev->dev_addr, MAC_ADDR_TYPE_CAM_MAC, qdev->func * MAX_CQ); - spin_unlock(&qdev->hw_lock); if (status) QPRINTK(qdev, HW, ERR, "Failed to load MAC address.\n"); ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK); @@ -3705,7 +3977,7 @@ static void ql_asic_reset_work(struct work_struct *work) struct ql_adapter *qdev = container_of(work, struct ql_adapter, asic_reset_work.work); int status; - + rtnl_lock(); status = ql_adapter_down(qdev); if (status) goto error; @@ -3714,11 +3986,17 @@ static void ql_asic_reset_work(struct work_struct *work) if (status) goto error; + /* Restore rx mode. */ + clear_bit(QL_ALLMULTI, &qdev->flags); + clear_bit(QL_PROMISCUOUS, &qdev->flags); + qlge_set_multicast_list(qdev->ndev); + + rtnl_unlock(); return; error: QPRINTK(qdev, IFUP, ALERT, "Driver up/down cycle failed, closing device\n"); - rtnl_lock(); + set_bit(QL_ADAPTER_UP, &qdev->flags); dev_close(qdev->ndev); rtnl_unlock(); @@ -3824,8 +4102,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev, struct net_device *ndev, int cards_found) { struct ql_adapter *qdev = netdev_priv(ndev); - int pos, err = 0; - u16 val16; + int err = 0; memset((void *)qdev, 0, sizeof(*qdev)); err = pci_enable_device(pdev); @@ -3834,24 +4111,21 @@ static int __devinit ql_init_device(struct pci_dev *pdev, return err; } - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - if (pos <= 0) { - dev_err(&pdev->dev, PFX "Cannot find PCI Express capability, " - "aborting.\n"); + qdev->ndev = ndev; + qdev->pdev = pdev; + pci_set_drvdata(pdev, ndev); + + /* Set PCIe read request size */ + err = pcie_set_readrq(pdev, 4096); + if (err) { + dev_err(&pdev->dev, "Set readrq failed.\n"); goto err_out; - } else { - pci_read_config_word(pdev, pos + PCI_EXP_DEVCTL, &val16); - val16 &= ~PCI_EXP_DEVCTL_NOSNOOP_EN; - val16 |= (PCI_EXP_DEVCTL_CERE | - PCI_EXP_DEVCTL_NFERE | - PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE); - pci_write_config_word(pdev, pos + PCI_EXP_DEVCTL, val16); } err = pci_request_regions(pdev, DRV_NAME); if (err) { dev_err(&pdev->dev, "PCI region request failed.\n"); - goto err_out; + return err; } pci_set_master(pdev); @@ -3869,7 +4143,9 @@ static int __devinit ql_init_device(struct pci_dev *pdev, goto err_out; } - pci_set_drvdata(pdev, ndev); + /* Set PCIe reset type for EEH to fundamental. */ + pdev->needs_freset = 1; + pci_save_state(pdev); qdev->reg_base = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); @@ -3889,8 +4165,6 @@ static int __devinit ql_init_device(struct pci_dev *pdev, goto err_out; } - qdev->ndev = ndev; - qdev->pdev = pdev; err = ql_get_board_info(qdev); if (err) { dev_err(&pdev->dev, "Register access failed.\n"); @@ -3930,7 +4204,6 @@ static int __devinit ql_init_device(struct pci_dev *pdev, INIT_DELAYED_WORK(&qdev->mpi_work, ql_mpi_work); INIT_DELAYED_WORK(&qdev->mpi_port_cfg_work, ql_mpi_port_cfg_work); INIT_DELAYED_WORK(&qdev->mpi_idc_work, ql_mpi_idc_work); - mutex_init(&qdev->mpi_mutex); init_completion(&qdev->ide_completion); if (!cards_found) { @@ -3945,7 +4218,6 @@ err_out: return err; } - static const struct net_device_ops qlge_netdev_ops = { .ndo_open = qlge_open, .ndo_stop = qlge_close, @@ -3956,9 +4228,9 @@ static const struct net_device_ops qlge_netdev_ops = { .ndo_set_mac_address = qlge_set_mac_address, .ndo_validate_addr = eth_validate_addr, .ndo_tx_timeout = qlge_tx_timeout, - .ndo_vlan_rx_register = ql_vlan_rx_register, - .ndo_vlan_rx_add_vid = ql_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = ql_vlan_rx_kill_vid, + .ndo_vlan_rx_register = qlge_vlan_rx_register, + .ndo_vlan_rx_add_vid = qlge_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = qlge_vlan_rx_kill_vid, }; static int __devinit qlge_probe(struct pci_dev *pdev, @@ -4014,10 +4286,21 @@ static int __devinit qlge_probe(struct pci_dev *pdev, } ql_link_off(qdev); ql_display_dev_info(ndev); + atomic_set(&qdev->lb_count, 0); cards_found++; return 0; } +netdev_tx_t ql_lb_send(struct sk_buff *skb, struct net_device *ndev) +{ + return qlge_send(skb, ndev); +} + +int ql_clean_lb_rx_ring(struct rx_ring *rx_ring, int budget) +{ + return ql_clean_inbound_rx_ring(rx_ring, budget); +} + static void __devexit qlge_remove(struct pci_dev *pdev) { struct net_device *ndev = pci_get_drvdata(pdev); @@ -4027,6 +4310,33 @@ static void __devexit qlge_remove(struct pci_dev *pdev) free_netdev(ndev); } +/* Clean up resources without touching hardware. */ +static void ql_eeh_close(struct net_device *ndev) +{ + int i; + struct ql_adapter *qdev = netdev_priv(ndev); + + if (netif_carrier_ok(ndev)) { + netif_carrier_off(ndev); + netif_stop_queue(ndev); + } + + if (test_bit(QL_ADAPTER_UP, &qdev->flags)) + cancel_delayed_work_sync(&qdev->asic_reset_work); + cancel_delayed_work_sync(&qdev->mpi_reset_work); + cancel_delayed_work_sync(&qdev->mpi_work); + cancel_delayed_work_sync(&qdev->mpi_idc_work); + cancel_delayed_work_sync(&qdev->mpi_port_cfg_work); + + for (i = 0; i < qdev->rss_ring_count; i++) + netif_napi_del(&qdev->rx_ring[i].napi); + + clear_bit(QL_ADAPTER_UP, &qdev->flags); + ql_tx_ring_clean(qdev); + ql_free_rx_buffers(qdev); + ql_release_adapter_resources(qdev); +} + /* * This callback is called by the PCI subsystem whenever * a PCI bus error is detected. @@ -4035,17 +4345,21 @@ static pci_ers_result_t qlge_io_error_detected(struct pci_dev *pdev, enum pci_channel_state state) { struct net_device *ndev = pci_get_drvdata(pdev); - struct ql_adapter *qdev = netdev_priv(ndev); - - netif_device_detach(ndev); - if (state == pci_channel_io_perm_failure) + switch (state) { + case pci_channel_io_normal: + return PCI_ERS_RESULT_CAN_RECOVER; + case pci_channel_io_frozen: + netif_device_detach(ndev); + if (netif_running(ndev)) + ql_eeh_close(ndev); + pci_disable_device(pdev); + return PCI_ERS_RESULT_NEED_RESET; + case pci_channel_io_perm_failure: + dev_err(&pdev->dev, + "%s: pci_channel_io_perm_failure.\n", __func__); return PCI_ERS_RESULT_DISCONNECT; - - if (netif_running(ndev)) - ql_adapter_down(qdev); - - pci_disable_device(pdev); + } /* Request a slot reset. */ return PCI_ERS_RESULT_NEED_RESET; @@ -4062,25 +4376,15 @@ static pci_ers_result_t qlge_io_slot_reset(struct pci_dev *pdev) struct net_device *ndev = pci_get_drvdata(pdev); struct ql_adapter *qdev = netdev_priv(ndev); + pdev->error_state = pci_channel_io_normal; + + pci_restore_state(pdev); if (pci_enable_device(pdev)) { QPRINTK(qdev, IFUP, ERR, "Cannot re-enable PCI device after reset.\n"); return PCI_ERS_RESULT_DISCONNECT; } - pci_set_master(pdev); - - netif_carrier_off(ndev); - ql_adapter_reset(qdev); - - /* Make sure the EEPROM is good */ - memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len); - - if (!is_valid_ether_addr(ndev->perm_addr)) { - QPRINTK(qdev, IFUP, ERR, "After reset, invalid MAC address.\n"); - return PCI_ERS_RESULT_DISCONNECT; - } - return PCI_ERS_RESULT_RECOVERED; } @@ -4088,17 +4392,21 @@ static void qlge_io_resume(struct pci_dev *pdev) { struct net_device *ndev = pci_get_drvdata(pdev); struct ql_adapter *qdev = netdev_priv(ndev); + int err = 0; - pci_set_master(pdev); - + if (ql_adapter_reset(qdev)) + QPRINTK(qdev, DRV, ERR, "reset FAILED!\n"); if (netif_running(ndev)) { - if (ql_adapter_up(qdev)) { + err = qlge_open(ndev); + if (err) { QPRINTK(qdev, IFUP, ERR, "Device initialization failed after reset.\n"); return; } + } else { + QPRINTK(qdev, IFUP, ERR, + "Device was not running prior to EEH.\n"); } - netif_device_attach(ndev); } @@ -4122,6 +4430,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) return err; } + ql_wol(qdev); err = pci_save_state(pdev); if (err) return err; |