diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 467 |
1 files changed, 214 insertions, 253 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index d2f4d5f508b7..a3572d1e0a9a 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2008 Intel Corporation. + Copyright(c) 1999 - 2009 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, @@ -47,9 +47,9 @@ char ixgbe_driver_name[] = "ixgbe"; static const char ixgbe_driver_string[] = "Intel(R) 10 Gigabit PCI Express Network Driver"; -#define DRV_VERSION "1.3.30-k2" +#define DRV_VERSION "1.3.56-k2" const char ixgbe_driver_version[] = DRV_VERSION; -static char ixgbe_copyright[] = "Copyright (c) 1999-2007 Intel Corporation."; +static char ixgbe_copyright[] = "Copyright (c) 1999-2009 Intel Corporation."; static const struct ixgbe_info *ixgbe_info_tbl[] = { [board_82598] = &ixgbe_82598_info, @@ -64,6 +64,8 @@ static const struct ixgbe_info *ixgbe_info_tbl[] = { * Class, Class Mask, private data (not used) } */ static struct pci_device_id ixgbe_pci_tbl[] = { + {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598), + board_82598 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_DUAL_PORT), board_82598 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_SINGLE_PORT), @@ -82,6 +84,8 @@ static struct pci_device_id ixgbe_pci_tbl[] = { board_82598 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_SFP_LOM), board_82598 }, + {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_BX), + board_82598 }, /* required last entry */ {0, } @@ -200,9 +204,6 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter, #define DESC_NEEDED (TXD_USE_COUNT(IXGBE_MAX_DATA_PER_TXD) /* skb->data */ + \ MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE) + 1) /* for context */ -#define GET_TX_HEAD_FROM_RING(ring) (\ - *(volatile u32 *) \ - ((union ixgbe_adv_tx_desc *)(ring)->desc + (ring)->count)) static void ixgbe_tx_timeout(struct net_device *netdev); /** @@ -213,26 +214,27 @@ static void ixgbe_tx_timeout(struct net_device *netdev); static bool ixgbe_clean_tx_irq(struct ixgbe_adapter *adapter, struct ixgbe_ring *tx_ring) { - union ixgbe_adv_tx_desc *tx_desc; - struct ixgbe_tx_buffer *tx_buffer_info; struct net_device *netdev = adapter->netdev; - struct sk_buff *skb; - unsigned int i; - u32 head, oldhead; - unsigned int count = 0; + union ixgbe_adv_tx_desc *tx_desc, *eop_desc; + struct ixgbe_tx_buffer *tx_buffer_info; + unsigned int i, eop, count = 0; unsigned int total_bytes = 0, total_packets = 0; - rmb(); - head = GET_TX_HEAD_FROM_RING(tx_ring); - head = le32_to_cpu(head); i = tx_ring->next_to_clean; - while (1) { - while (i != head) { + eop = tx_ring->tx_buffer_info[i].next_to_watch; + eop_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop); + + while ((eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)) && + (count < tx_ring->count)) { + bool cleaned = false; + for ( ; !cleaned; count++) { + struct sk_buff *skb; tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i); tx_buffer_info = &tx_ring->tx_buffer_info[i]; + cleaned = (i == eop); skb = tx_buffer_info->skb; - if (skb) { + if (cleaned && skb) { unsigned int segs, bytecount; /* gso_segs is currently only valid for tcp */ @@ -247,23 +249,17 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_adapter *adapter, ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info); + tx_desc->wb.status = 0; + i++; if (i == tx_ring->count) i = 0; - - count++; - if (count == tx_ring->count) - goto done_cleaning; } - oldhead = head; - rmb(); - head = GET_TX_HEAD_FROM_RING(tx_ring); - head = le32_to_cpu(head); - if (head == oldhead) - goto done_cleaning; - } /* while (1) */ - -done_cleaning: + + eop = tx_ring->tx_buffer_info[i].next_to_watch; + eop_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop); + } + tx_ring->next_to_clean = i; #define TX_WAKE_THRESHOLD (DESC_NEEDED * 2) @@ -297,8 +293,8 @@ done_cleaning: tx_ring->total_bytes += total_bytes; tx_ring->total_packets += total_packets; - tx_ring->stats.bytes += total_bytes; tx_ring->stats.packets += total_packets; + tx_ring->stats.bytes += total_bytes; adapter->net_stats.tx_bytes += total_bytes; adapter->net_stats.tx_packets += total_packets; return (total_packets ? true : false); @@ -403,23 +399,21 @@ static int __ixgbe_notify_dca(struct device *dev, void *data) * @rx_ring: rx descriptor ring (for a specific queue) to setup * @rx_desc: rx descriptor **/ -static void ixgbe_receive_skb(struct ixgbe_adapter *adapter, +static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector, struct sk_buff *skb, u8 status, - struct ixgbe_ring *ring, union ixgbe_adv_rx_desc *rx_desc) { + struct ixgbe_adapter *adapter = q_vector->adapter; + struct napi_struct *napi = &q_vector->napi; bool is_vlan = (status & IXGBE_RXD_STAT_VP); u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan); - if (adapter->netdev->features & NETIF_F_LRO && - skb->ip_summed == CHECKSUM_UNNECESSARY) { + skb_record_rx_queue(skb, q_vector - &adapter->q_vector[0]); + if (skb->ip_summed == CHECKSUM_UNNECESSARY) { if (adapter->vlgrp && is_vlan && (tag != 0)) - lro_vlan_hwaccel_receive_skb(&ring->lro_mgr, skb, - adapter->vlgrp, tag, - rx_desc); + vlan_gro_receive(napi, adapter->vlgrp, tag, skb); else - lro_receive_skb(&ring->lro_mgr, skb, rx_desc); - ring->lro_used = true; + napi_gro_receive(napi, skb); } else { if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) { if (adapter->vlgrp && is_vlan && (tag != 0)) @@ -574,10 +568,11 @@ static inline u16 ixgbe_get_pkt_info(union ixgbe_adv_rx_desc *rx_desc) return rx_desc->wb.lower.lo_dword.hs_rss.pkt_info; } -static bool ixgbe_clean_rx_irq(struct ixgbe_adapter *adapter, +static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, struct ixgbe_ring *rx_ring, int *work_done, int work_to_do) { + struct ixgbe_adapter *adapter = q_vector->adapter; struct pci_dev *pdev = adapter->pdev; union ixgbe_adv_rx_desc *rx_desc, *next_rxd; struct ixgbe_rx_buffer *rx_buffer_info, *next_buffer; @@ -678,7 +673,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_adapter *adapter, total_rx_packets++; skb->protocol = eth_type_trans(skb, adapter->netdev); - ixgbe_receive_skb(adapter, skb, staterr, rx_ring, rx_desc); + ixgbe_receive_skb(q_vector, skb, staterr, rx_desc); next_desc: rx_desc->wb.upper.status_error = 0; @@ -696,11 +691,6 @@ next_desc: staterr = le32_to_cpu(rx_desc->wb.upper.status_error); } - if (rx_ring->lro_used) { - lro_flush_all(&rx_ring->lro_mgr); - rx_ring->lro_used = false; - } - rx_ring->next_to_clean = i; cleaned_count = IXGBE_DESC_UNUSED(rx_ring); @@ -1015,7 +1005,7 @@ static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data) rx_ring = &(adapter->rx_ring[r_idx]); /* disable interrupts on this vector only */ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, rx_ring->v_idx); - netif_rx_schedule(&q_vector->napi); + napi_schedule(&q_vector->napi); return IRQ_HANDLED; } @@ -1052,11 +1042,11 @@ static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget) ixgbe_update_rx_dca(adapter, rx_ring); #endif - ixgbe_clean_rx_irq(adapter, rx_ring, &work_done, budget); + ixgbe_clean_rx_irq(q_vector, rx_ring, &work_done, budget); /* If all Rx work done, exit the polling mode */ if (work_done < budget) { - netif_rx_complete(napi); + napi_complete(napi); if (adapter->itr_setting & 3) ixgbe_set_itr_msix(q_vector); if (!test_bit(__IXGBE_DOWN, &adapter->state)) @@ -1095,7 +1085,7 @@ static int ixgbe_clean_rxonly_many(struct napi_struct *napi, int budget) if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_rx_dca(adapter, rx_ring); #endif - ixgbe_clean_rx_irq(adapter, rx_ring, &work_done, budget); + ixgbe_clean_rx_irq(q_vector, rx_ring, &work_done, budget); enable_mask |= rx_ring->v_idx; r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, r_idx + 1); @@ -1105,7 +1095,7 @@ static int ixgbe_clean_rxonly_many(struct napi_struct *napi, int budget) rx_ring = &(adapter->rx_ring[r_idx]); /* If all Rx work done, exit the polling mode */ if (work_done < budget) { - netif_rx_complete(napi); + napi_complete(napi); if (adapter->itr_setting & 3) ixgbe_set_itr_msix(q_vector); if (!test_bit(__IXGBE_DOWN, &adapter->state)) @@ -1381,13 +1371,13 @@ static irqreturn_t ixgbe_intr(int irq, void *data) ixgbe_check_fan_failure(adapter, eicr); - if (netif_rx_schedule_prep(&adapter->q_vector[0].napi)) { + if (napi_schedule_prep(&adapter->q_vector[0].napi)) { adapter->tx_ring[0].total_packets = 0; adapter->tx_ring[0].total_bytes = 0; adapter->rx_ring[0].total_packets = 0; adapter->rx_ring[0].total_bytes = 0; /* would disable interrupts here but EIAM disabled it */ - __netif_rx_schedule(&adapter->q_vector[0].napi); + __napi_schedule(&adapter->q_vector[0].napi); } return IRQ_HANDLED; @@ -1486,7 +1476,7 @@ static void ixgbe_configure_msi_and_legacy(struct ixgbe_adapter *adapter) **/ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter) { - u64 tdba, tdwba; + u64 tdba; struct ixgbe_hw *hw = &adapter->hw; u32 i, j, tdlen, txctrl; @@ -1499,11 +1489,6 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), (tdba & DMA_32BIT_MASK)); IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); - tdwba = ring->dma + - (ring->count * sizeof(union ixgbe_adv_tx_desc)); - tdwba |= IXGBE_TDWBAL_HEAD_WB_ENABLE; - IXGBE_WRITE_REG(hw, IXGBE_TDWBAL(j), tdwba & DMA_32BIT_MASK); - IXGBE_WRITE_REG(hw, IXGBE_TDWBAH(j), (tdwba >> 32)); IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), tdlen); IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); @@ -1568,33 +1553,6 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index) IXGBE_WRITE_REG(&adapter->hw, IXGBE_SRRCTL(index), srrctl); } -/** - * ixgbe_get_skb_hdr - helper function for LRO header processing - * @skb: pointer to sk_buff to be added to LRO packet - * @iphdr: pointer to ip header structure - * @tcph: pointer to tcp header structure - * @hdr_flags: pointer to header flags - * @priv: private data - **/ -static int ixgbe_get_skb_hdr(struct sk_buff *skb, void **iphdr, void **tcph, - u64 *hdr_flags, void *priv) -{ - union ixgbe_adv_rx_desc *rx_desc = priv; - - /* Verify that this is a valid IPv4 TCP packet */ - if (!((ixgbe_get_pkt_info(rx_desc) & IXGBE_RXDADV_PKTTYPE_IPV4) && - (ixgbe_get_pkt_info(rx_desc) & IXGBE_RXDADV_PKTTYPE_TCP))) - return -1; - - /* Set network headers */ - skb_reset_network_header(skb); - skb_set_transport_header(skb, ip_hdrlen(skb)); - *iphdr = ip_hdr(skb); - *tcph = tcp_hdr(skb); - *hdr_flags = LRO_IPV4 | LRO_TCP; - return 0; -} - #define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \ (((S) & (PAGE_SIZE - 1)) ? 1 : 0)) @@ -1666,16 +1624,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) adapter->rx_ring[i].head = IXGBE_RDH(j); adapter->rx_ring[i].tail = IXGBE_RDT(j); adapter->rx_ring[i].rx_buf_len = rx_buf_len; - /* Intitial LRO Settings */ - adapter->rx_ring[i].lro_mgr.max_aggr = IXGBE_MAX_LRO_AGGREGATE; - adapter->rx_ring[i].lro_mgr.max_desc = IXGBE_MAX_LRO_DESCRIPTORS; - adapter->rx_ring[i].lro_mgr.get_skb_header = ixgbe_get_skb_hdr; - adapter->rx_ring[i].lro_mgr.features = LRO_F_EXTRACT_VLAN_ID; - if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) - adapter->rx_ring[i].lro_mgr.features |= LRO_F_NAPI; - adapter->rx_ring[i].lro_mgr.dev = adapter->netdev; - adapter->rx_ring[i].lro_mgr.ip_summed = CHECKSUM_UNNECESSARY; - adapter->rx_ring[i].lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY; ixgbe_configure_srrctl(adapter, j); } @@ -1993,11 +1941,43 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter) (adapter->rx_ring[i].count - 1)); } +/** + * ixgbe_link_config - set up initial link with default speed and duplex + * @hw: pointer to private hardware struct + * + * Returns 0 on success, negative on failure + **/ +static int ixgbe_link_config(struct ixgbe_hw *hw) +{ + u32 autoneg; + bool link_up = false; + u32 ret = IXGBE_ERR_LINK_SETUP; + + if (hw->mac.ops.check_link) + ret = hw->mac.ops.check_link(hw, &autoneg, &link_up, false); + + if (ret) + goto link_cfg_out; + + if (hw->mac.ops.get_link_capabilities) + ret = hw->mac.ops.get_link_capabilities(hw, &autoneg, + &hw->mac.autoneg); + if (ret) + goto link_cfg_out; + + if (hw->mac.ops.setup_link_speed) + ret = hw->mac.ops.setup_link_speed(hw, autoneg, true, link_up); + +link_cfg_out: + return ret; +} + static int ixgbe_up_complete(struct ixgbe_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct ixgbe_hw *hw = &adapter->hw; int i, j = 0; + int err; int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; u32 txdctl, rxdctl, mhadd; u32 gpie; @@ -2078,6 +2058,10 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) ixgbe_irq_enable(adapter); + err = ixgbe_link_config(hw); + if (err) + dev_err(&adapter->pdev->dev, "link_config FAILED %d\n", err); + /* enable transmits */ netif_tx_start_all_queues(netdev); @@ -2310,14 +2294,14 @@ static int ixgbe_poll(struct napi_struct *napi, int budget) #endif tx_cleaned = ixgbe_clean_tx_irq(adapter, adapter->tx_ring); - ixgbe_clean_rx_irq(adapter, adapter->rx_ring, &work_done, budget); + ixgbe_clean_rx_irq(q_vector, adapter->rx_ring, &work_done, budget); if (tx_cleaned) work_done = budget; /* If budget not fully consumed, exit the polling mode */ if (work_done < budget) { - netif_rx_complete(napi); + napi_complete(napi); if (adapter->itr_setting & 3) ixgbe_set_itr(adapter); if (!test_bit(__IXGBE_DOWN, &adapter->state)) @@ -2353,68 +2337,57 @@ static void ixgbe_reset_task(struct work_struct *work) ixgbe_reinit_locked(adapter); } -static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter) +#ifdef CONFIG_IXGBE_DCB +static inline bool ixgbe_set_dcb_queues(struct ixgbe_adapter *adapter) { - int nrq = 1, ntq = 1; - int feature_mask = 0, rss_i, rss_m; - int dcb_i, dcb_m; + bool ret = false; - /* Number of supported queues */ - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - dcb_i = adapter->ring_feature[RING_F_DCB].indices; - dcb_m = 0; - rss_i = adapter->ring_feature[RING_F_RSS].indices; - rss_m = 0; - feature_mask |= IXGBE_FLAG_RSS_ENABLED; - feature_mask |= IXGBE_FLAG_DCB_ENABLED; - - switch (adapter->flags & feature_mask) { - case (IXGBE_FLAG_RSS_ENABLED | IXGBE_FLAG_DCB_ENABLED): - dcb_m = 0x7 << 3; - rss_i = min(8, rss_i); - rss_m = 0x7; - nrq = dcb_i * rss_i; - ntq = min(MAX_TX_QUEUES, dcb_i * rss_i); - break; - case (IXGBE_FLAG_DCB_ENABLED): - dcb_m = 0x7 << 3; - nrq = dcb_i; - ntq = dcb_i; - break; - case (IXGBE_FLAG_RSS_ENABLED): - rss_m = 0xF; - nrq = rss_i; - ntq = rss_i; - break; - case 0: - default: - dcb_i = 0; - dcb_m = 0; - rss_i = 0; - rss_m = 0; - nrq = 1; - ntq = 1; - break; - } + if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { + adapter->ring_feature[RING_F_DCB].mask = 0x7 << 3; + adapter->num_rx_queues = + adapter->ring_feature[RING_F_DCB].indices; + adapter->num_tx_queues = + adapter->ring_feature[RING_F_DCB].indices; + ret = true; + } else { + ret = false; + } + + return ret; +} +#endif - /* Sanity check, we should never have zero queues */ - nrq = (nrq ?:1); - ntq = (ntq ?:1); +static inline bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter) +{ + bool ret = false; - adapter->ring_feature[RING_F_DCB].indices = dcb_i; - adapter->ring_feature[RING_F_DCB].mask = dcb_m; - adapter->ring_feature[RING_F_RSS].indices = rss_i; - adapter->ring_feature[RING_F_RSS].mask = rss_m; - break; - default: - nrq = 1; - ntq = 1; - break; + if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) { + adapter->ring_feature[RING_F_RSS].mask = 0xF; + adapter->num_rx_queues = + adapter->ring_feature[RING_F_RSS].indices; + adapter->num_tx_queues = + adapter->ring_feature[RING_F_RSS].indices; + ret = true; + } else { + ret = false; } - adapter->num_rx_queues = nrq; - adapter->num_tx_queues = ntq; + return ret; +} + +static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter) +{ + /* Start with base case */ + adapter->num_rx_queues = 1; + adapter->num_tx_queues = 1; + +#ifdef CONFIG_IXGBE_DCB + if (ixgbe_set_dcb_queues(adapter)) + return; + +#endif + if (ixgbe_set_rss_queues(adapter)) + return; } static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter, @@ -2460,71 +2433,98 @@ static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter, ixgbe_set_num_queues(adapter); } else { adapter->flags |= IXGBE_FLAG_MSIX_ENABLED; /* Woot! */ - adapter->num_msix_vectors = vectors; + /* + * Adjust for only the vectors we'll use, which is minimum + * of max_msix_q_vectors + NON_Q_VECTORS, or the number of + * vectors we were allocated. + */ + adapter->num_msix_vectors = min(vectors, + adapter->max_msix_q_vectors + NON_Q_VECTORS); } } /** - * ixgbe_cache_ring_register - Descriptor ring to register mapping + * ixgbe_cache_ring_rss - Descriptor ring to register mapping for RSS * @adapter: board private structure to initialize * - * Once we know the feature-set enabled for the device, we'll cache - * the register offset the descriptor ring is assigned to. + * Cache the descriptor ring offsets for RSS to the assigned rings. + * **/ -static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) +static inline bool ixgbe_cache_ring_rss(struct ixgbe_adapter *adapter) { - int feature_mask = 0, rss_i; - int i, txr_idx, rxr_idx; - int dcb_i; + int i; + bool ret = false; - /* Number of supported queues */ - switch (adapter->hw.mac.type) { - case ixgbe_mac_82598EB: - dcb_i = adapter->ring_feature[RING_F_DCB].indices; - rss_i = adapter->ring_feature[RING_F_RSS].indices; - txr_idx = 0; - rxr_idx = 0; - feature_mask |= IXGBE_FLAG_DCB_ENABLED; - feature_mask |= IXGBE_FLAG_RSS_ENABLED; - switch (adapter->flags & feature_mask) { - case (IXGBE_FLAG_RSS_ENABLED | IXGBE_FLAG_DCB_ENABLED): - for (i = 0; i < dcb_i; i++) { - int j; - /* Rx first */ - for (j = 0; j < adapter->num_rx_queues; j++) { - adapter->rx_ring[rxr_idx].reg_idx = - i << 3 | j; - rxr_idx++; - } - /* Tx now */ - for (j = 0; j < adapter->num_tx_queues; j++) { - adapter->tx_ring[txr_idx].reg_idx = - i << 2 | (j >> 1); - if (j & 1) - txr_idx++; - } - } - case (IXGBE_FLAG_DCB_ENABLED): + if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) { + for (i = 0; i < adapter->num_rx_queues; i++) + adapter->rx_ring[i].reg_idx = i; + for (i = 0; i < adapter->num_tx_queues; i++) + adapter->tx_ring[i].reg_idx = i; + ret = true; + } else { + ret = false; + } + + return ret; +} + +#ifdef CONFIG_IXGBE_DCB +/** + * ixgbe_cache_ring_dcb - Descriptor ring to register mapping for DCB + * @adapter: board private structure to initialize + * + * Cache the descriptor ring offsets for DCB to the assigned rings. + * + **/ +static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter) +{ + int i; + bool ret = false; + int dcb_i = adapter->ring_feature[RING_F_DCB].indices; + + if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { + if (adapter->hw.mac.type == ixgbe_mac_82598EB) { /* the number of queues is assumed to be symmetric */ for (i = 0; i < dcb_i; i++) { adapter->rx_ring[i].reg_idx = i << 3; adapter->tx_ring[i].reg_idx = i << 2; } - break; - case (IXGBE_FLAG_RSS_ENABLED): - for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i].reg_idx = i; - for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i].reg_idx = i; - break; - case 0: - default: - break; + ret = true; + } else { + ret = false; } - break; - default: - break; + } else { + ret = false; } + + return ret; +} +#endif + +/** + * ixgbe_cache_ring_register - Descriptor ring to register mapping + * @adapter: board private structure to initialize + * + * Once we know the feature-set enabled for the device, we'll cache + * the register offset the descriptor ring is assigned to. + * + * Note, the order the various feature calls is important. It must start with + * the "most" features enabled at the same time, then trickle down to the + * least amount of features turned on at once. + **/ +static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) +{ + /* start with default case */ + adapter->rx_ring[0].reg_idx = 0; + adapter->tx_ring[0].reg_idx = 0; + +#ifdef CONFIG_IXGBE_DCB + if (ixgbe_cache_ring_dcb(adapter)) + return; + +#endif + if (ixgbe_cache_ring_rss(adapter)) + return; } /** @@ -2785,6 +2785,7 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->ring_feature[RING_F_RSS].indices = rss; adapter->flags |= IXGBE_FLAG_RSS_ENABLED; adapter->ring_feature[RING_F_DCB].indices = IXGBE_MAX_DCB_INDICES; + adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598; #ifdef CONFIG_IXGBE_DCB /* Configure DCB traffic classes */ @@ -2810,16 +2811,12 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->flags |= IXGBE_FLAG_FAN_FAIL_CAPABLE; /* default flow control settings */ - hw->fc.original_type = ixgbe_fc_none; - hw->fc.type = ixgbe_fc_none; + hw->fc.requested_mode = ixgbe_fc_none; hw->fc.high_water = IXGBE_DEFAULT_FCRTH; hw->fc.low_water = IXGBE_DEFAULT_FCRTL; hw->fc.pause_time = IXGBE_DEFAULT_FCPAUSE; hw->fc.send_xon = true; - /* select 10G link by default */ - hw->mac.link_mode_select = IXGBE_AUTOC_LMS_10G_LINK_NO_AN; - /* enable itr by default in dynamic mode */ adapter->itr_setting = 1; adapter->eitr_param = 20000; @@ -2866,8 +2863,7 @@ int ixgbe_setup_tx_resources(struct ixgbe_adapter *adapter, memset(tx_ring->tx_buffer_info, 0, size); /* round up to nearest 4K */ - tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc) + - sizeof(u32); + tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc); tx_ring->size = ALIGN(tx_ring->size, 4096); tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size, @@ -2926,12 +2922,6 @@ int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter, struct pci_dev *pdev = adapter->pdev; int size; - size = sizeof(struct net_lro_desc) * IXGBE_MAX_LRO_DESCRIPTORS; - rx_ring->lro_mgr.lro_arr = vmalloc(size); - if (!rx_ring->lro_mgr.lro_arr) - return -ENOMEM; - memset(rx_ring->lro_mgr.lro_arr, 0, size); - size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count; rx_ring->rx_buffer_info = vmalloc(size); if (!rx_ring->rx_buffer_info) { @@ -2960,8 +2950,6 @@ int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter, return 0; alloc_failed: - vfree(rx_ring->lro_mgr.lro_arr); - rx_ring->lro_mgr.lro_arr = NULL; return -ENOMEM; } @@ -3039,9 +3027,6 @@ void ixgbe_free_rx_resources(struct ixgbe_adapter *adapter, { struct pci_dev *pdev = adapter->pdev; - vfree(rx_ring->lro_mgr.lro_arr); - rx_ring->lro_mgr.lro_arr = NULL; - ixgbe_clean_rx_ring(adapter, rx_ring); vfree(rx_ring->rx_buffer_info); @@ -3619,13 +3604,13 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter, if (skb->ip_summed == CHECKSUM_PARTIAL) { switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case cpu_to_be16(ETH_P_IP): type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4; if (ip_hdr(skb)->protocol == IPPROTO_TCP) type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP; break; - case __constant_htons(ETH_P_IPV6): + case cpu_to_be16(ETH_P_IPV6): /* XXX what about other V6 headers?? */ if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) type_tucmd_mlhl |= @@ -3948,26 +3933,6 @@ static void ixgbe_netpoll(struct net_device *netdev) } #endif -/** - * ixgbe_link_config - set up initial link with default speed and duplex - * @hw: pointer to private hardware struct - * - * Returns 0 on success, negative on failure - **/ -static int ixgbe_link_config(struct ixgbe_hw *hw) -{ - u32 autoneg = IXGBE_LINK_SPEED_10GB_FULL; - - /* must always autoneg for both 1G and 10G link */ - hw->mac.autoneg = true; - - if ((hw->mac.type == ixgbe_mac_82598EB) && - (hw->phy.media_type == ixgbe_media_type_copper)) - autoneg = IXGBE_LINK_SPEED_82598_AUTONEG; - - return hw->mac.ops.setup_link_speed(hw, autoneg, true, true); -} - static const struct net_device_ops ixgbe_netdev_ops = { .ndo_open = ixgbe_open, .ndo_stop = ixgbe_close, @@ -4141,7 +4106,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, netdev->features |= NETIF_F_IPV6_CSUM; netdev->features |= NETIF_F_TSO; netdev->features |= NETIF_F_TSO6; - netdev->features |= NETIF_F_LRO; + netdev->features |= NETIF_F_GRO; netdev->vlan_features |= NETIF_F_TSO; netdev->vlan_features |= NETIF_F_TSO6; @@ -4212,16 +4177,12 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, "PCI-Express slot is required.\n"); } + /* save off EEPROM version number */ + hw->eeprom.ops.read(hw, 0x29, &adapter->eeprom_version); + /* reset the hardware with the new settings */ hw->mac.ops.start_hw(hw); - /* link_config depends on start_hw being called at least once */ - err = ixgbe_link_config(hw); - if (err) { - dev_err(&pdev->dev, "setup_link_speed FAILED %d\n", err); - goto err_register; - } - netif_carrier_off(netdev); strcpy(netdev->name, "eth%d"); |