diff options
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be_main.c')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 433 |
1 files changed, 301 insertions, 132 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 2c38cc402119..a37039d353c5 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -22,6 +22,7 @@ #include <asm/div64.h> #include <linux/aer.h> #include <linux/if_bridge.h> +#include <net/busy_poll.h> MODULE_VERSION(DRV_VER); MODULE_DEVICE_TABLE(pci, be_dev_ids); @@ -306,10 +307,14 @@ static void *hw_stats_from_cmd(struct be_adapter *adapter) struct be_cmd_resp_get_stats_v0 *cmd = adapter->stats_cmd.va; return &cmd->hw_stats; - } else { + } else if (BE3_chip(adapter)) { struct be_cmd_resp_get_stats_v1 *cmd = adapter->stats_cmd.va; return &cmd->hw_stats; + } else { + struct be_cmd_resp_get_stats_v2 *cmd = adapter->stats_cmd.va; + + return &cmd->hw_stats; } } @@ -320,10 +325,14 @@ static void *be_erx_stats_from_cmd(struct be_adapter *adapter) struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); return &hw_stats->erx; - } else { + } else if (BE3_chip(adapter)) { struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); return &hw_stats->erx; + } else { + struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); + + return &hw_stats->erx; } } @@ -422,6 +431,60 @@ static void populate_be_v1_stats(struct be_adapter *adapter) adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; } +static void populate_be_v2_stats(struct be_adapter *adapter) +{ + struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); + struct be_pmem_stats *pmem_sts = &hw_stats->pmem; + struct be_rxf_stats_v2 *rxf_stats = &hw_stats->rxf; + struct be_port_rxf_stats_v2 *port_stats = + &rxf_stats->port[adapter->port_num]; + struct be_drv_stats *drvs = &adapter->drv_stats; + + be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); + drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; + drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; + drvs->rx_pause_frames = port_stats->rx_pause_frames; + drvs->rx_crc_errors = port_stats->rx_crc_errors; + drvs->rx_control_frames = port_stats->rx_control_frames; + drvs->rx_in_range_errors = port_stats->rx_in_range_errors; + drvs->rx_frame_too_long = port_stats->rx_frame_too_long; + drvs->rx_dropped_runt = port_stats->rx_dropped_runt; + drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; + drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; + drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; + drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; + drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; + drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; + drvs->rx_out_range_errors = port_stats->rx_out_range_errors; + drvs->rx_dropped_header_too_small = + port_stats->rx_dropped_header_too_small; + drvs->rx_input_fifo_overflow_drop = + port_stats->rx_input_fifo_overflow_drop; + 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; + drvs->tx_pauseframes = port_stats->tx_pauseframes; + drvs->tx_controlframes = port_stats->tx_controlframes; + drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; + drvs->jabber_events = port_stats->jabber_events; + drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; + drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; + drvs->forwarded_packets = rxf_stats->forwarded_packets; + drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; + drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; + drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; + adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; + if (be_roce_supported(adapter)) { + drvs->rx_roce_bytes_lsd = port_stats->roce_bytes_received_lsd; + drvs->rx_roce_bytes_msd = port_stats->roce_bytes_received_msd; + drvs->rx_roce_frames = port_stats->roce_frames_received; + drvs->roce_drops_crc = port_stats->roce_drops_crc; + drvs->roce_drops_payload_len = + port_stats->roce_drops_payload_len; + } +} + static void populate_lancer_stats(struct be_adapter *adapter) { @@ -489,7 +552,7 @@ static void populate_erx_stats(struct be_adapter *adapter, void be_parse_stats(struct be_adapter *adapter) { - struct be_erx_stats_v1 *erx = be_erx_stats_from_cmd(adapter); + struct be_erx_stats_v2 *erx = be_erx_stats_from_cmd(adapter); struct be_rx_obj *rxo; int i; u32 erx_stat; @@ -499,11 +562,13 @@ void be_parse_stats(struct be_adapter *adapter) } else { if (BE2_chip(adapter)) populate_be_v0_stats(adapter); - else - /* for BE3 and Skyhawk */ + else if (BE3_chip(adapter)) + /* for BE3 */ populate_be_v1_stats(adapter); + else + populate_be_v2_stats(adapter); - /* as erx_v1 is longer than v0, ok to use v1 for v0 access */ + /* erx_v2 is longer than v0, v1. use v2 for v0, v1 access */ for_all_rx_queues(adapter, rxo, i) { erx_stat = erx->rx_drops_no_fragments[rxo->q.id]; populate_erx_stats(adapter, rxo, erx_stat); @@ -935,8 +1000,10 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) u32 start = txq->head; skb = be_xmit_workarounds(adapter, skb, &skip_hw_vlan); - if (!skb) + if (!skb) { + tx_stats(txo)->tx_drv_drops++; return NETDEV_TX_OK; + } wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); @@ -965,6 +1032,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped); } else { txq->head = start; + tx_stats(txo)->tx_drv_drops++; dev_kfree_skb_any(skb); } return NETDEV_TX_OK; @@ -1011,7 +1079,7 @@ static int be_vid_config(struct be_adapter *adapter) vids[num++] = cpu_to_le16(i); status = be_cmd_vlan_config(adapter, adapter->if_handle, - vids, num, 1, 0); + vids, num, 0); if (status) { /* Set to VLAN promisc mode as setting VLAN filter failed */ @@ -1275,53 +1343,79 @@ static int be_set_vf_tx_rate(struct net_device *netdev, return status; } -static void be_eqd_update(struct be_adapter *adapter, struct be_eq_obj *eqo) +static void be_aic_update(struct be_aic_obj *aic, u64 rx_pkts, u64 tx_pkts, + ulong now) { - struct be_rx_stats *stats = rx_stats(&adapter->rx_obj[eqo->idx]); - ulong now = jiffies; - ulong delta = now - stats->rx_jiffies; - u64 pkts; - unsigned int start, eqd; + aic->rx_pkts_prev = rx_pkts; + aic->tx_reqs_prev = tx_pkts; + aic->jiffies = now; +} - if (!eqo->enable_aic) { - eqd = eqo->eqd; - goto modify_eqd; - } +static void be_eqd_update(struct be_adapter *adapter) +{ + struct be_set_eqd set_eqd[MAX_EVT_QS]; + int eqd, i, num = 0, start; + struct be_aic_obj *aic; + struct be_eq_obj *eqo; + struct be_rx_obj *rxo; + struct be_tx_obj *txo; + u64 rx_pkts, tx_pkts; + ulong now; + u32 pps, delta; - if (eqo->idx >= adapter->num_rx_qs) - return; + for_all_evt_queues(adapter, eqo, i) { + aic = &adapter->aic_obj[eqo->idx]; + if (!aic->enable) { + if (aic->jiffies) + aic->jiffies = 0; + eqd = aic->et_eqd; + goto modify_eqd; + } - stats = rx_stats(&adapter->rx_obj[eqo->idx]); + rxo = &adapter->rx_obj[eqo->idx]; + do { + start = u64_stats_fetch_begin_bh(&rxo->stats.sync); + rx_pkts = rxo->stats.rx_pkts; + } while (u64_stats_fetch_retry_bh(&rxo->stats.sync, start)); - /* Wrapped around */ - if (time_before(now, stats->rx_jiffies)) { - stats->rx_jiffies = now; - return; - } + txo = &adapter->tx_obj[eqo->idx]; + do { + start = u64_stats_fetch_begin_bh(&txo->stats.sync); + tx_pkts = txo->stats.tx_reqs; + } while (u64_stats_fetch_retry_bh(&txo->stats.sync, start)); - /* Update once a second */ - if (delta < HZ) - return; - do { - start = u64_stats_fetch_begin_bh(&stats->sync); - pkts = stats->rx_pkts; - } while (u64_stats_fetch_retry_bh(&stats->sync, start)); - - stats->rx_pps = (unsigned long)(pkts - stats->rx_pkts_prev) / (delta / HZ); - stats->rx_pkts_prev = pkts; - stats->rx_jiffies = now; - eqd = (stats->rx_pps / 110000) << 3; - eqd = min(eqd, eqo->max_eqd); - eqd = max(eqd, eqo->min_eqd); - if (eqd < 10) - eqd = 0; + /* Skip, if wrapped around or first calculation */ + now = jiffies; + if (!aic->jiffies || time_before(now, aic->jiffies) || + rx_pkts < aic->rx_pkts_prev || + tx_pkts < aic->tx_reqs_prev) { + be_aic_update(aic, rx_pkts, tx_pkts, now); + continue; + } + + delta = jiffies_to_msecs(now - aic->jiffies); + pps = (((u32)(rx_pkts - aic->rx_pkts_prev) * 1000) / delta) + + (((u32)(tx_pkts - aic->tx_reqs_prev) * 1000) / delta); + eqd = (pps / 15000) << 2; + + if (eqd < 8) + eqd = 0; + eqd = min_t(u32, eqd, aic->max_eqd); + eqd = max_t(u32, eqd, aic->min_eqd); + be_aic_update(aic, rx_pkts, tx_pkts, now); modify_eqd: - if (eqd != eqo->cur_eqd) { - be_cmd_modify_eqd(adapter, eqo->q.id, eqd); - eqo->cur_eqd = eqd; + if (eqd != aic->prev_eqd) { + set_eqd[num].delay_multiplier = (eqd * 65)/100; + set_eqd[num].eq_id = eqo->q.id; + aic->prev_eqd = eqd; + num++; + } } + + if (num) + be_cmd_modify_eqd(adapter, set_eqd, num); } static void be_rx_stats_update(struct be_rx_obj *rxo, @@ -1463,7 +1557,7 @@ static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, } /* Process the RX completion indicated by rxcp when GRO is disabled */ -static void be_rx_compl_process(struct be_rx_obj *rxo, +static void be_rx_compl_process(struct be_rx_obj *rxo, struct napi_struct *napi, struct be_rx_compl_info *rxcp) { struct be_adapter *adapter = rxo->adapter; @@ -1488,7 +1582,7 @@ static void be_rx_compl_process(struct be_rx_obj *rxo, skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); if (netdev->features & NETIF_F_RXHASH) skb->rxhash = rxcp->rss_hash; - + skb_mark_napi_id(skb, napi); if (rxcp->vlanf) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); @@ -1546,6 +1640,7 @@ static void be_rx_compl_process_gro(struct be_rx_obj *rxo, skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); if (adapter->netdev->features & NETIF_F_RXHASH) skb->rxhash = rxcp->rss_hash; + skb_mark_napi_id(skb, napi); if (rxcp->vlanf) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); @@ -1681,6 +1776,7 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; struct be_queue_info *rxq = &rxo->q; struct page *pagep = NULL; + struct device *dev = &adapter->pdev->dev; struct be_eth_rx_d *rxd; u64 page_dmaaddr = 0, frag_dmaaddr; u32 posted, page_offset = 0; @@ -1693,9 +1789,15 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) rx_stats(rxo)->rx_post_fail++; break; } - page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, - 0, adapter->big_page_size, + page_dmaaddr = dma_map_page(dev, pagep, 0, + adapter->big_page_size, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, page_dmaaddr)) { + put_page(pagep); + pagep = NULL; + rx_stats(rxo)->rx_post_fail++; + break; + } page_info->page_offset = 0; } else { get_page(pagep); @@ -1726,6 +1828,8 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) if (posted) { atomic_add(posted, &rxq->used); + if (rxo->rx_post_starved) + rxo->rx_post_starved = false; be_rxq_notify(adapter, rxq->id, posted); } else if (atomic_read(&rxq->used) == 0) { /* Let be_worker replenish when memory is available */ @@ -1928,6 +2032,7 @@ static void be_evt_queues_destroy(struct be_adapter *adapter) if (eqo->q.created) { be_eq_clean(eqo); be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); + napi_hash_del(&eqo->napi); netif_napi_del(&eqo->napi); } be_queue_free(adapter, &eqo->q); @@ -1938,6 +2043,7 @@ static int be_evt_queues_create(struct be_adapter *adapter) { struct be_queue_info *eq; struct be_eq_obj *eqo; + struct be_aic_obj *aic; int i, rc; adapter->num_evt_qs = min_t(u16, num_irqs(adapter), @@ -1946,11 +2052,13 @@ static int be_evt_queues_create(struct be_adapter *adapter) for_all_evt_queues(adapter, eqo, i) { netif_napi_add(adapter->netdev, &eqo->napi, be_poll, BE_NAPI_WEIGHT); + napi_hash_add(&eqo->napi); + aic = &adapter->aic_obj[i]; eqo->adapter = adapter; eqo->tx_budget = BE_TX_BUDGET; eqo->idx = i; - eqo->max_eqd = BE_MAX_EQD; - eqo->enable_aic = true; + aic->max_eqd = BE_MAX_EQD; + aic->enable = true; eq = &eqo->q; rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, @@ -2047,6 +2155,9 @@ static int be_tx_qs_create(struct be_adapter *adapter) if (status) return status; + u64_stats_init(&txo->stats.sync); + u64_stats_init(&txo->stats.sync_compl); + /* If num_evt_qs is less than num_tx_qs, then more than * one txq share an eq */ @@ -2108,6 +2219,7 @@ static int be_rx_cqs_create(struct be_adapter *adapter) if (rc) return rc; + u64_stats_init(&rxo->stats.sync); eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; rc = be_cmd_cq_create(adapter, cq, eq, false, 3); if (rc) @@ -2167,7 +2279,7 @@ static inline bool do_gro(struct be_rx_compl_info *rxcp) } static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, - int budget) + int budget, int polling) { struct be_adapter *adapter = rxo->adapter; struct be_queue_info *rx_cq = &rxo->cq; @@ -2198,10 +2310,12 @@ static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, goto loop_continue; } - if (do_gro(rxcp)) + /* Don't do gro when we're busy_polling */ + if (do_gro(rxcp) && polling != BUSY_POLLING) be_rx_compl_process_gro(rxo, napi, rxcp); else - be_rx_compl_process(rxo, rxcp); + be_rx_compl_process(rxo, napi, rxcp); + loop_continue: be_rx_stats_update(rxo, rxcp); } @@ -2209,7 +2323,11 @@ loop_continue: if (work_done) { be_cq_notify(adapter, rx_cq->id, true, work_done); - if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) + /* When an rx-obj gets into post_starved state, just + * let be_worker do the posting. + */ + if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM && + !rxo->rx_post_starved) be_post_rx_frags(rxo, GFP_ATOMIC); } @@ -2254,6 +2372,7 @@ int be_poll(struct napi_struct *napi, int budget) struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); struct be_adapter *adapter = eqo->adapter; int max_work = 0, work, i, num_evts; + struct be_rx_obj *rxo; bool tx_done; num_evts = events_get(eqo); @@ -2266,13 +2385,18 @@ int be_poll(struct napi_struct *napi, int budget) max_work = budget; } - /* This loop will iterate twice for EQ0 in which - * completions of the last RXQ (default one) are also processed - * For other EQs the loop iterates only once - */ - for (i = eqo->idx; i < adapter->num_rx_qs; i += adapter->num_evt_qs) { - work = be_process_rx(&adapter->rx_obj[i], napi, budget); - max_work = max(work, max_work); + if (be_lock_napi(eqo)) { + /* This loop will iterate twice for EQ0 in which + * completions of the last RXQ (default one) are also processed + * For other EQs the loop iterates only once + */ + for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { + work = be_process_rx(rxo, napi, budget, NAPI_POLLING); + max_work = max(work, max_work); + } + be_unlock_napi(eqo); + } else { + max_work = budget; } if (is_mcc_eqo(eqo)) @@ -2288,6 +2412,28 @@ int be_poll(struct napi_struct *napi, int budget) return max_work; } +#ifdef CONFIG_NET_RX_BUSY_POLL +static int be_busy_poll(struct napi_struct *napi) +{ + struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); + struct be_adapter *adapter = eqo->adapter; + struct be_rx_obj *rxo; + int i, work = 0; + + if (!be_lock_busy_poll(eqo)) + return LL_FLUSH_BUSY; + + for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { + work = be_process_rx(rxo, napi, 4, BUSY_POLLING); + if (work) + break; + } + + be_unlock_busy_poll(eqo); + return work; +} +#endif + void be_detect_error(struct be_adapter *adapter) { u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; @@ -2325,8 +2471,16 @@ void be_detect_error(struct be_adapter *adapter) */ if (sliport_status & SLIPORT_STATUS_ERR_MASK) { adapter->hw_error = true; - dev_err(&adapter->pdev->dev, - "Error detected in the card\n"); + /* Do not log error messages if its a FW reset */ + if (sliport_err1 == SLIPORT_ERROR_FW_RESET1 && + sliport_err2 == SLIPORT_ERROR_FW_RESET2) { + dev_info(&adapter->pdev->dev, + "Firmware update in progress\n"); + return; + } else { + dev_err(&adapter->pdev->dev, + "Error detected in the card\n"); + } } if (sliport_status & SLIPORT_STATUS_ERR_MASK) { @@ -2520,8 +2674,10 @@ static int be_close(struct net_device *netdev) be_roce_dev_close(adapter); if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { - for_all_evt_queues(adapter, eqo, i) + for_all_evt_queues(adapter, eqo, i) { napi_disable(&eqo->napi); + be_disable_busy_poll(eqo); + } adapter->flags &= ~BE_FLAGS_NAPI_ENABLED; } @@ -2535,6 +2691,11 @@ static int be_close(struct net_device *netdev) be_rx_qs_destroy(adapter); + for (i = 1; i < (adapter->uc_macs + 1); i++) + be_cmd_pmac_del(adapter, adapter->if_handle, + adapter->pmac_id[i], 0); + adapter->uc_macs = 0; + for_all_evt_queues(adapter, eqo, i) { if (msix_enabled(adapter)) synchronize_irq(be_msix_vec_get(adapter, eqo)); @@ -2590,13 +2751,16 @@ static int be_rx_qs_create(struct be_adapter *adapter) if (!BEx_chip(adapter)) adapter->rss_flags |= RSS_ENABLE_UDP_IPV4 | RSS_ENABLE_UDP_IPV6; + } else { + /* Disable RSS, if only default RX Q is created */ + adapter->rss_flags = RSS_ENABLE_NONE; + } - rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, - 128); - if (rc) { - adapter->rss_flags = 0; - return rc; - } + rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, + 128); + if (rc) { + adapter->rss_flags = RSS_ENABLE_NONE; + return rc; } /* First time posting */ @@ -2632,6 +2796,7 @@ static int be_open(struct net_device *netdev) for_all_evt_queues(adapter, eqo, i) { napi_enable(&eqo->napi); + be_enable_busy_poll(eqo); be_eq_notify(adapter, eqo->q.id, true, false, 0); } adapter->flags |= BE_FLAGS_NAPI_ENABLED; @@ -2785,28 +2950,35 @@ static void be_cancel_worker(struct be_adapter *adapter) } } -static int be_clear(struct be_adapter *adapter) +static void be_mac_clear(struct be_adapter *adapter) { int i; + if (adapter->pmac_id) { + for (i = 0; i < (adapter->uc_macs + 1); i++) + be_cmd_pmac_del(adapter, adapter->if_handle, + adapter->pmac_id[i], 0); + adapter->uc_macs = 0; + + kfree(adapter->pmac_id); + adapter->pmac_id = NULL; + } +} + +static int be_clear(struct be_adapter *adapter) +{ be_cancel_worker(adapter); if (sriov_enabled(adapter)) be_vf_clear(adapter); /* delete the primary mac along with the uc-mac list */ - for (i = 0; i < (adapter->uc_macs + 1); i++) - be_cmd_pmac_del(adapter, adapter->if_handle, - adapter->pmac_id[i], 0); - adapter->uc_macs = 0; + be_mac_clear(adapter); be_cmd_if_destroy(adapter, adapter->if_handle, 0); be_clear_queues(adapter); - kfree(adapter->pmac_id); - adapter->pmac_id = NULL; - be_msix_disable(adapter); return 0; } @@ -2937,7 +3109,8 @@ static int be_vf_setup(struct be_adapter *adapter) goto err; vf_cfg->def_vid = def_vlan; - be_cmd_enable_vf(adapter, vf + 1); + if (!old_vfs) + be_cmd_enable_vf(adapter, vf + 1); } if (!old_vfs) { @@ -2961,13 +3134,13 @@ static void BEx_get_resources(struct be_adapter *adapter, { struct pci_dev *pdev = adapter->pdev; bool use_sriov = false; + int max_vfs; - if (BE3_chip(adapter) && be_physfn(adapter)) { - int max_vfs; + max_vfs = pci_sriov_get_totalvfs(pdev); - max_vfs = pci_sriov_get_totalvfs(pdev); + if (BE3_chip(adapter) && sriov_want(adapter)) { res->max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; - use_sriov = res->max_vfs && num_vfs; + use_sriov = res->max_vfs; } if (be_physfn(adapter)) @@ -2983,8 +3156,9 @@ static void BEx_get_resources(struct be_adapter *adapter, res->max_vlans = BE_NUM_VLANS_SUPPORTED; res->max_mcast_mac = BE_MAX_MC; + /* For BE3 1Gb ports, F/W does not properly support multiple TXQs */ if (BE2_chip(adapter) || use_sriov || be_is_mc(adapter) || - !be_physfn(adapter)) + !be_physfn(adapter) || (adapter->port_num > 1)) res->max_tx_qs = 1; else res->max_tx_qs = BE3_MAX_TX_QS; @@ -2995,7 +3169,11 @@ static void BEx_get_resources(struct be_adapter *adapter, BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; res->max_rx_qs = res->max_rss_qs + 1; - res->max_evt_qs = be_physfn(adapter) ? BE3_MAX_EVT_QS : 1; + if (be_physfn(adapter)) + res->max_evt_qs = (max_vfs > 0) ? + BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS; + else + res->max_evt_qs = 1; res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) @@ -3026,14 +3204,6 @@ static int be_get_resources(struct be_adapter *adapter) adapter->res = res; } - /* For BE3 only check if FW suggests a different max-txqs value */ - if (BE3_chip(adapter)) { - status = be_cmd_get_profile_config(adapter, &res, 0); - if (!status && res.max_tx_qs) - adapter->res.max_tx_qs = - min(adapter->res.max_tx_qs, res.max_tx_qs); - } - /* For Lancer, SH etc read per-function resource limits from FW. * GET_FUNC_CONFIG returns per function guaranteed limits. * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits @@ -3112,12 +3282,10 @@ static int be_mac_setup(struct be_adapter *adapter) memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); } - /* On BE3 VFs this cmd may fail due to lack of privilege. - * Ignore the failure as in this case pmac_id is fetched - * in the IFACE_CREATE cmd. - */ - be_cmd_pmac_add(adapter, mac, adapter->if_handle, - &adapter->pmac_id[0], 0); + /* For BE3-R VFs, the PF programs the initial MAC address */ + if (!(BEx_chip(adapter) && be_virtfn(adapter))) + be_cmd_pmac_add(adapter, mac, adapter->if_handle, + &adapter->pmac_id[0], 0); return 0; } @@ -3247,6 +3415,12 @@ static int be_setup(struct be_adapter *adapter) be_cmd_get_fw_ver(adapter, adapter->fw_ver, adapter->fw_on_flash); + if (BE2_chip(adapter) && fw_major_num(adapter->fw_ver) < 4) { + dev_err(dev, "Firmware on card is old(%s), IRQs may not work.", + adapter->fw_ver); + dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); + } + if (adapter->vlans_added) be_vid_config(adapter); @@ -3258,7 +3432,7 @@ static int be_setup(struct be_adapter *adapter) be_cmd_set_flow_control(adapter, adapter->tx_fc, adapter->rx_fc); - if (be_physfn(adapter) && num_vfs) { + if (sriov_want(adapter)) { if (be_max_vfs(adapter)) be_vf_setup(adapter); else @@ -3667,6 +3841,8 @@ static int lancer_fw_download(struct be_adapter *adapter, } if (change_status == LANCER_FW_RESET_NEEDED) { + dev_info(&adapter->pdev->dev, + "Resetting adapter to activate new FW\n"); status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK); if (status) { @@ -3900,6 +4076,9 @@ static const struct net_device_ops be_netdev_ops = { #endif .ndo_bridge_setlink = be_ndo_bridge_setlink, .ndo_bridge_getlink = be_ndo_bridge_getlink, +#ifdef CONFIG_NET_RX_BUSY_POLL + .ndo_busy_poll = be_busy_poll +#endif }; static void be_netdev_init(struct net_device *netdev) @@ -3960,11 +4139,6 @@ static int be_roce_map_pci_bars(struct be_adapter *adapter) static int be_map_pci_bars(struct be_adapter *adapter) { u8 __iomem *addr; - u32 sli_intf; - - pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); - adapter->if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> - SLI_INTF_IF_TYPE_SHIFT; if (BEx_chip(adapter) && be_physfn(adapter)) { adapter->csr = pci_iomap(adapter->pdev, 2, 0); @@ -4045,7 +4219,7 @@ static int be_ctrl_init(struct be_adapter *adapter) spin_lock_init(&adapter->mcc_lock); spin_lock_init(&adapter->mcc_cq_lock); - init_completion(&adapter->flash_compl); + init_completion(&adapter->et_cmd_compl); pci_save_state(adapter->pdev); return 0; @@ -4077,9 +4251,11 @@ static int be_stats_init(struct be_adapter *adapter) cmd->size = sizeof(struct lancer_cmd_req_pport_stats); else if (BE2_chip(adapter)) cmd->size = sizeof(struct be_cmd_req_get_stats_v0); - else - /* BE3 and Skyhawk */ + else if (BE3_chip(adapter)) cmd->size = sizeof(struct be_cmd_req_get_stats_v1); + else + /* ALL non-BE ASICs */ + cmd->size = sizeof(struct be_cmd_req_get_stats_v2); cmd->va = dma_zalloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, GFP_KERNEL); @@ -4113,7 +4289,6 @@ static void be_remove(struct pci_dev *pdev) pci_disable_pcie_error_reporting(pdev); - pci_set_drvdata(pdev, NULL); pci_release_regions(pdev); pci_disable_device(pdev); @@ -4219,13 +4394,13 @@ static int lancer_recover_func(struct be_adapter *adapter) goto err; } - dev_err(dev, "Error recovery successful\n"); + dev_err(dev, "Adapter recovery successful\n"); return 0; err: if (status == -EAGAIN) dev_err(dev, "Waiting for resource provisioning\n"); else - dev_err(dev, "Error recovery failed\n"); + dev_err(dev, "Adapter recovery failed\n"); return status; } @@ -4262,7 +4437,6 @@ static void be_worker(struct work_struct *work) struct be_adapter *adapter = container_of(work, struct be_adapter, work.work); struct be_rx_obj *rxo; - struct be_eq_obj *eqo; int i; /* when interrupts are not yet enabled, just reap any pending @@ -4287,14 +4461,14 @@ static void be_worker(struct work_struct *work) be_cmd_get_die_temperature(adapter); for_all_rx_queues(adapter, rxo, i) { - if (rxo->rx_post_starved) { - rxo->rx_post_starved = false; + /* Replenish RX-queues starved due to memory + * allocation failures. + */ + if (rxo->rx_post_starved) be_post_rx_frags(rxo, GFP_KERNEL); - } } - for_all_evt_queues(adapter, eqo, i) - be_eqd_update(adapter, eqo); + be_eqd_update(adapter); reschedule: adapter->work_counter++; @@ -4351,28 +4525,22 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) adapter->netdev = netdev; SET_NETDEV_DEV(netdev, &pdev->dev); - status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); + status = dma_set_mask_and_coherent(&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)); - if (!status) - status = dma_set_coherent_mask(&pdev->dev, - DMA_BIT_MASK(32)); + status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (status) { dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); goto free_netdev; } } - status = pci_enable_pcie_error_reporting(pdev); - if (status) - dev_info(&pdev->dev, "Could not use PCIe error reporting\n"); + if (be_physfn(adapter)) { + status = pci_enable_pcie_error_reporting(pdev); + if (!status) + dev_info(&pdev->dev, "PCIe error reporting enabled\n"); + } status = be_ctrl_init(adapter); if (status) @@ -4443,7 +4611,6 @@ ctrl_clean: be_ctrl_cleanup(adapter); free_netdev: free_netdev(netdev); - pci_set_drvdata(pdev, NULL); rel_reg: pci_release_regions(pdev); disable_dev: @@ -4461,6 +4628,7 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state) if (adapter->wol) be_setup_wol(adapter, true); + be_intr_set(adapter, false); cancel_delayed_work_sync(&adapter->func_recovery_work); netif_device_detach(netdev); @@ -4496,6 +4664,7 @@ static int be_resume(struct pci_dev *pdev) if (status) return status; + be_intr_set(adapter, true); /* tell fw we're ready to fire cmds */ status = be_cmd_fw_init(adapter); if (status) |