diff options
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be_main.c')
-rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 308 |
1 files changed, 219 insertions, 89 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 08e54f3d288b..4babc8a4a543 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005 - 2011 Emulex + * Copyright (C) 2005 - 2013 Emulex * All rights reserved. * * This program is free software; you can redistribute it and/or @@ -146,20 +146,16 @@ static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, q->entry_size = entry_size; mem->size = len * entry_size; mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, - GFP_KERNEL); + GFP_KERNEL | __GFP_ZERO); if (!mem->va) return -ENOMEM; - memset(mem->va, 0, mem->size); return 0; } -static void be_intr_set(struct be_adapter *adapter, bool enable) +static void be_reg_intr_set(struct be_adapter *adapter, bool enable) { u32 reg, enabled; - if (adapter->eeh_error) - return; - pci_read_config_dword(adapter->pdev, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, ®); enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; @@ -175,6 +171,22 @@ static void be_intr_set(struct be_adapter *adapter, bool enable) PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, reg); } +static void be_intr_set(struct be_adapter *adapter, bool enable) +{ + int status = 0; + + /* On lancer interrupts can't be controlled via this register */ + if (lancer_chip(adapter)) + return; + + if (adapter->eeh_error) + return; + + status = be_cmd_intr_set(adapter, enable); + if (status) + be_reg_intr_set(adapter, enable); +} + static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) { u32 val = 0; @@ -185,14 +197,15 @@ static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) iowrite32(val, adapter->db + DB_RQ_OFFSET); } -static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted) +static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo, + u16 posted) { u32 val = 0; - val |= qid & DB_TXULP_RING_ID_MASK; + val |= txo->q.id & DB_TXULP_RING_ID_MASK; val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; wmb(); - iowrite32(val, adapter->db + DB_TXULP1_OFFSET); + iowrite32(val, adapter->db + txo->db_offset); } static void be_eq_notify(struct be_adapter *adapter, u16 qid, @@ -340,9 +353,9 @@ static void populate_be_v0_stats(struct be_adapter *adapter) drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow; drvs->rx_dropped_header_too_small = port_stats->rx_dropped_header_too_small; - drvs->rx_address_mismatch_drops = - port_stats->rx_address_mismatch_drops + - port_stats->rx_vlan_mismatch_drops; + drvs->rx_address_filtered = + port_stats->rx_address_filtered + + port_stats->rx_vlan_filtered; drvs->rx_alignment_symbol_errors = port_stats->rx_alignment_symbol_errors; @@ -391,7 +404,7 @@ static void populate_be_v1_stats(struct be_adapter *adapter) port_stats->rx_dropped_header_too_small; drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow_drop; - drvs->rx_address_mismatch_drops = port_stats->rx_address_mismatch_drops; + drvs->rx_address_filtered = port_stats->rx_address_filtered; drvs->rx_alignment_symbol_errors = port_stats->rx_alignment_symbol_errors; drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; @@ -432,9 +445,9 @@ static void populate_lancer_stats(struct be_adapter *adapter) drvs->rx_dropped_header_too_small = pport_stats->rx_dropped_header_too_small; drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; - drvs->rx_address_mismatch_drops = - pport_stats->rx_address_mismatch_drops + - pport_stats->rx_vlan_mismatch_drops; + drvs->rx_address_filtered = + pport_stats->rx_address_filtered + + pport_stats->rx_vlan_filtered; drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; @@ -626,13 +639,8 @@ static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, return vlan_tag; } -static int be_vlan_tag_chk(struct be_adapter *adapter, struct sk_buff *skb) -{ - return vlan_tx_tag_present(skb) || adapter->pvid; -} - static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, - struct sk_buff *skb, u32 wrb_cnt, u32 len) + struct sk_buff *skb, u32 wrb_cnt, u32 len, bool skip_hw_vlan) { u16 vlan_tag; @@ -659,8 +667,9 @@ static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); } + /* To skip HW VLAN tagging: evt = 1, compl = 0 */ + AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, !skip_hw_vlan); AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); - AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); } @@ -683,7 +692,8 @@ static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, } static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, - struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) + struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb, + bool skip_hw_vlan) { dma_addr_t busaddr; int i, copied = 0; @@ -732,7 +742,7 @@ static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, queue_head_inc(txq); } - wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); + wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied, skip_hw_vlan); be_dws_cpu_to_le(hdr, sizeof(*hdr)); return copied; @@ -749,7 +759,8 @@ dma_err: } static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, - struct sk_buff *skb) + struct sk_buff *skb, + bool *skip_hw_vlan) { u16 vlan_tag = 0; @@ -759,13 +770,72 @@ static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, if (vlan_tx_tag_present(skb)) { vlan_tag = be_get_tx_vlan_tag(adapter, skb); - __vlan_put_tag(skb, vlan_tag); + skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); + if (skb) + skb->vlan_tci = 0; + } + + if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { + if (!vlan_tag) + vlan_tag = adapter->pvid; + if (skip_hw_vlan) + *skip_hw_vlan = true; + } + + if (vlan_tag) { + skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); + if (unlikely(!skb)) + return skb; + skb->vlan_tci = 0; } + /* Insert the outer VLAN, if any */ + if (adapter->qnq_vid) { + vlan_tag = adapter->qnq_vid; + skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); + if (unlikely(!skb)) + return skb; + if (skip_hw_vlan) + *skip_hw_vlan = true; + } + return skb; } +static bool be_ipv6_exthdr_check(struct sk_buff *skb) +{ + struct ethhdr *eh = (struct ethhdr *)skb->data; + u16 offset = ETH_HLEN; + + if (eh->h_proto == htons(ETH_P_IPV6)) { + struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset); + + offset += sizeof(struct ipv6hdr); + if (ip6h->nexthdr != NEXTHDR_TCP && + ip6h->nexthdr != NEXTHDR_UDP) { + struct ipv6_opt_hdr *ehdr = + (struct ipv6_opt_hdr *) (skb->data + offset); + + /* offending pkt: 2nd byte following IPv6 hdr is 0xff */ + if (ehdr->hdrlen == 0xff) + return true; + } + } + return false; +} + +static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb) +{ + return vlan_tx_tag_present(skb) || adapter->pvid || adapter->qnq_vid; +} + +static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, struct sk_buff *skb) +{ + return BE3_chip(adapter) && + be_ipv6_exthdr_check(skb); +} + static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) { @@ -776,33 +846,64 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, u32 wrb_cnt = 0, copied = 0; u32 start = txq->head, eth_hdr_len; bool dummy_wrb, stopped = false; + bool skip_hw_vlan = false; + struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? VLAN_ETH_HLEN : ETH_HLEN; - /* HW has a bug which considers padding bytes as legal - * and modifies the IPv4 hdr's 'tot_len' field + /* For padded packets, BE HW modifies tot_len field in IP header + * incorrecly when VLAN tag is inserted by HW. */ - if (skb->len <= 60 && be_vlan_tag_chk(adapter, skb) && - is_ipv4_pkt(skb)) { + if (skb->len <= 60 && vlan_tx_tag_present(skb) && is_ipv4_pkt(skb)) { ip = (struct iphdr *)ip_hdr(skb); pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); } + /* If vlan tag is already inlined in the packet, skip HW VLAN + * tagging in UMC mode + */ + if ((adapter->function_mode & UMC_ENABLED) && + veh->h_vlan_proto == htons(ETH_P_8021Q)) + skip_hw_vlan = true; + /* HW has a bug wherein it will calculate CSUM for VLAN * pkts even though it is disabled. * Manually insert VLAN in pkt. */ if (skb->ip_summed != CHECKSUM_PARTIAL && - be_vlan_tag_chk(adapter, skb)) { - skb = be_insert_vlan_in_pkt(adapter, skb); + vlan_tx_tag_present(skb)) { + skb = be_insert_vlan_in_pkt(adapter, skb, &skip_hw_vlan); + if (unlikely(!skb)) + goto tx_drop; + } + + /* HW may lockup when VLAN HW tagging is requested on + * certain ipv6 packets. Drop such pkts if the HW workaround to + * skip HW tagging is not enabled by FW. + */ + if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) && + (adapter->pvid || adapter->qnq_vid) && + !qnq_async_evt_rcvd(adapter))) + goto tx_drop; + + /* Manual VLAN tag insertion to prevent: + * ASIC lockup when the ASIC inserts VLAN tag into + * certain ipv6 packets. Insert VLAN tags in driver, + * and set event, completion, vlan bits accordingly + * in the Tx WRB. + */ + if (be_ipv6_tx_stall_chk(adapter, skb) && + be_vlan_tag_tx_chk(adapter, skb)) { + skb = be_insert_vlan_in_pkt(adapter, skb, &skip_hw_vlan); if (unlikely(!skb)) goto tx_drop; } wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); - copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb); + copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb, + skip_hw_vlan); if (copied) { int gso_segs = skb_shinfo(skb)->gso_segs; @@ -821,7 +922,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, stopped = true; } - be_txq_notify(adapter, txq->id, wrb_cnt); + be_txq_notify(adapter, txo, wrb_cnt); be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped); } else { @@ -890,7 +991,7 @@ set_vlan_promisc: return status; } -static int be_vlan_add_vid(struct net_device *netdev, u16 vid) +static int be_vlan_add_vid(struct net_device *netdev, __be16 proto, u16 vid) { struct be_adapter *adapter = netdev_priv(netdev); int status = 0; @@ -916,7 +1017,7 @@ ret: return status; } -static int be_vlan_rem_vid(struct net_device *netdev, u16 vid) +static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid) { struct be_adapter *adapter = netdev_priv(netdev); int status = 0; @@ -1371,7 +1472,7 @@ static void be_rx_compl_process(struct be_rx_obj *rxo, if (rxcp->vlanf) - __vlan_hwaccel_put_tag(skb, rxcp->vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); netif_receive_skb(skb); } @@ -1427,7 +1528,7 @@ void be_rx_compl_process_gro(struct be_rx_obj *rxo, struct napi_struct *napi, skb->rxhash = rxcp->rss_hash; if (rxcp->vlanf) - __vlan_hwaccel_put_tag(skb, rxcp->vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); napi_gro_frags(napi); } @@ -1957,7 +2058,7 @@ static int be_tx_qs_create(struct be_adapter *adapter) if (status) return status; - status = be_cmd_txq_create(adapter, &txo->q, &txo->cq); + status = be_cmd_txq_create(adapter, txo); if (status) return status; } @@ -2435,9 +2536,6 @@ static int be_close(struct net_device *netdev) be_roce_dev_close(adapter); - if (!lancer_chip(adapter)) - be_intr_set(adapter, false); - for_all_evt_queues(adapter, eqo, i) napi_disable(&eqo->napi); @@ -2499,9 +2597,19 @@ static int be_rx_qs_create(struct be_adapter *adapter) rsstable[j + i] = rxo->rss_id; } } - rc = be_cmd_rss_config(adapter, rsstable, 128); - if (rc) + adapter->rss_flags = RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | + RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6; + + if (!BEx_chip(adapter)) + adapter->rss_flags |= RSS_ENABLE_UDP_IPV4 | + RSS_ENABLE_UDP_IPV6; + + rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, + 128); + if (rc) { + adapter->rss_flags = 0; return rc; + } } /* First time posting */ @@ -2525,9 +2633,6 @@ static int be_open(struct net_device *netdev) be_irq_register(adapter); - if (!lancer_chip(adapter)) - be_intr_set(adapter, true); - for_all_rx_queues(adapter, rxo, i) be_cq_notify(adapter, rxo->cq.id, true, 0); @@ -2562,10 +2667,9 @@ static int be_setup_wol(struct be_adapter *adapter, bool enable) cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, - GFP_KERNEL); + GFP_KERNEL | __GFP_ZERO); if (cmd.va == NULL) return -1; - memset(cmd.va, 0, cmd.size); if (enable) { status = pci_write_config_dword(adapter->pdev, @@ -2713,7 +2817,8 @@ static int be_vfs_if_create(struct be_adapter *adapter) for_all_vfs(adapter, vf_cfg, vf) { if (!BE3_chip(adapter)) - be_cmd_get_profile_config(adapter, &cap_flags, vf + 1); + be_cmd_get_profile_config(adapter, &cap_flags, + NULL, vf + 1); /* If a FW profile exists, then cap_flags are updated */ en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | @@ -2877,11 +2982,14 @@ static void be_get_resources(struct be_adapter *adapter) u16 dev_num_vfs; int pos, status; bool profile_present = false; + u16 txq_count = 0; if (!BEx_chip(adapter)) { status = be_cmd_get_func_config(adapter); if (!status) profile_present = true; + } else if (BE3_chip(adapter) && be_physfn(adapter)) { + be_cmd_get_profile_config(adapter, NULL, &txq_count, 0); } if (profile_present) { @@ -2919,7 +3027,9 @@ static void be_get_resources(struct be_adapter *adapter) adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; adapter->max_mcast_mac = BE_MAX_MC; - adapter->max_tx_queues = MAX_TX_QS; + adapter->max_tx_queues = txq_count ? txq_count : MAX_TX_QS; + adapter->max_tx_queues = min_t(u16, adapter->max_tx_queues, + MAX_TX_QS); adapter->max_rss_queues = (adapter->be3_native) ? BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; adapter->max_event_queues = BE3_MAX_RSS_QS; @@ -2953,7 +3063,8 @@ static int be_get_config(struct be_adapter *adapter) status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, &adapter->function_mode, - &adapter->function_caps); + &adapter->function_caps, + &adapter->asic_rev); if (status) goto err; @@ -3214,7 +3325,7 @@ static int be_flash(struct be_adapter *adapter, const u8 *img, return 0; } -/* For BE2 and BE3 */ +/* For BE2, BE3 and BE3-R */ static int be_flash_BEx(struct be_adapter *adapter, const struct firmware *fw, struct be_dma_mem *flash_cmd, @@ -3457,11 +3568,9 @@ static int lancer_fw_download(struct be_adapter *adapter, flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) + LANCER_FW_DOWNLOAD_CHUNK; flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, - &flash_cmd.dma, GFP_KERNEL); + &flash_cmd.dma, GFP_KERNEL); if (!flash_cmd.va) { status = -ENOMEM; - dev_err(&adapter->pdev->dev, - "Memory allocation failure while flashing\n"); goto lancer_fw_exit; } @@ -3529,18 +3638,22 @@ lancer_fw_exit: #define UFI_TYPE2 2 #define UFI_TYPE3 3 +#define UFI_TYPE3R 10 #define UFI_TYPE4 4 static int be_get_ufi_type(struct be_adapter *adapter, - struct flash_file_hdr_g2 *fhdr) + struct flash_file_hdr_g3 *fhdr) { if (fhdr == NULL) goto be_get_ufi_exit; if (skyhawk_chip(adapter) && fhdr->build[0] == '4') return UFI_TYPE4; - else if (BE3_chip(adapter) && fhdr->build[0] == '3') - return UFI_TYPE3; - else if (BE2_chip(adapter) && fhdr->build[0] == '2') + else if (BE3_chip(adapter) && fhdr->build[0] == '3') { + if (fhdr->asic_type_rev == 0x10) + return UFI_TYPE3R; + else + return UFI_TYPE3; + } else if (BE2_chip(adapter) && fhdr->build[0] == '2') return UFI_TYPE2; be_get_ufi_exit: @@ -3551,7 +3664,6 @@ be_get_ufi_exit: static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) { - struct flash_file_hdr_g2 *fhdr; struct flash_file_hdr_g3 *fhdr3; struct image_hdr *img_hdr_ptr = NULL; struct be_dma_mem flash_cmd; @@ -3563,29 +3675,41 @@ static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) &flash_cmd.dma, GFP_KERNEL); if (!flash_cmd.va) { status = -ENOMEM; - dev_err(&adapter->pdev->dev, - "Memory allocation failure while flashing\n"); goto be_fw_exit; } p = fw->data; - fhdr = (struct flash_file_hdr_g2 *)p; + fhdr3 = (struct flash_file_hdr_g3 *)p; - ufi_type = be_get_ufi_type(adapter, fhdr); + ufi_type = be_get_ufi_type(adapter, fhdr3); - fhdr3 = (struct flash_file_hdr_g3 *)fw->data; num_imgs = le32_to_cpu(fhdr3->num_imgs); for (i = 0; i < num_imgs; i++) { img_hdr_ptr = (struct image_hdr *)(fw->data + (sizeof(struct flash_file_hdr_g3) + i * sizeof(struct image_hdr))); if (le32_to_cpu(img_hdr_ptr->imageid) == 1) { - if (ufi_type == UFI_TYPE4) + switch (ufi_type) { + case UFI_TYPE4: status = be_flash_skyhawk(adapter, fw, &flash_cmd, num_imgs); - else if (ufi_type == UFI_TYPE3) + break; + case UFI_TYPE3R: status = be_flash_BEx(adapter, fw, &flash_cmd, num_imgs); + break; + case UFI_TYPE3: + /* Do not flash this ufi on BE3-R cards */ + if (adapter->asic_rev < 0x10) + status = be_flash_BEx(adapter, fw, + &flash_cmd, + num_imgs); + else { + status = -1; + dev_err(&adapter->pdev->dev, + "Can't load BE3 UFI on BE3R\n"); + } + } } } @@ -3662,12 +3786,12 @@ static void be_netdev_init(struct net_device *netdev) netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_TX; + NETIF_F_HW_VLAN_CTAG_TX; if (be_multi_rxq(adapter)) netdev->hw_features |= NETIF_F_RXHASH; netdev->features |= netdev->hw_features | - NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; @@ -3791,12 +3915,13 @@ static int be_ctrl_init(struct be_adapter *adapter) rx_filter->size = sizeof(struct be_cmd_req_rx_filter); rx_filter->va = dma_alloc_coherent(&adapter->pdev->dev, rx_filter->size, - &rx_filter->dma, GFP_KERNEL); + &rx_filter->dma, + GFP_KERNEL | __GFP_ZERO); if (rx_filter->va == NULL) { status = -ENOMEM; goto free_mbox; } - memset(rx_filter->va, 0, rx_filter->size); + mutex_init(&adapter->mbox_lock); spin_lock_init(&adapter->mcc_lock); spin_lock_init(&adapter->mcc_cq_lock); @@ -3838,10 +3963,9 @@ static int be_stats_init(struct be_adapter *adapter) cmd->size = sizeof(struct be_cmd_req_get_stats_v1); cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, - GFP_KERNEL); + GFP_KERNEL | __GFP_ZERO); if (cmd->va == NULL) return -1; - memset(cmd->va, 0, cmd->size); return 0; } @@ -3853,6 +3977,7 @@ static void be_remove(struct pci_dev *pdev) return; be_roce_dev_remove(adapter); + be_intr_set(adapter, false); cancel_delayed_work_sync(&adapter->func_recovery_work); @@ -4107,6 +4232,11 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); if (!status) { + status = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); + if (status < 0) { + dev_err(&pdev->dev, "dma_set_coherent_mask failed\n"); + goto free_netdev; + } netdev->features |= NETIF_F_HIGHDMA; } else { status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); @@ -4131,22 +4261,22 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) goto ctrl_clean; } - /* tell fw we're ready to fire cmds */ - status = be_cmd_fw_init(adapter); - if (status) - goto ctrl_clean; - if (be_reset_required(adapter)) { status = be_cmd_reset_function(adapter); if (status) goto ctrl_clean; + + /* Wait for interrupts to quiesce after an FLR */ + msleep(100); } - /* The INTR bit may be set in the card when probed by a kdump kernel - * after a crash. - */ - if (!lancer_chip(adapter)) - be_intr_set(adapter, false); + /* Allow interrupts for other ULPs running on NIC function */ + be_intr_set(adapter, true); + + /* tell fw we're ready to fire cmds */ + status = be_cmd_fw_init(adapter); + if (status) + goto ctrl_clean; status = be_stats_init(adapter); if (status) @@ -4357,12 +4487,12 @@ static void be_eeh_resume(struct pci_dev *pdev) pci_save_state(pdev); - /* tell fw we're ready to fire cmds */ - status = be_cmd_fw_init(adapter); + status = be_cmd_reset_function(adapter); if (status) goto err; - status = be_cmd_reset_function(adapter); + /* tell fw we're ready to fire cmds */ + status = be_cmd_fw_init(adapter); if (status) goto err; |