diff options
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be_main.c')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 259 |
1 files changed, 105 insertions, 154 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index bf40fdaecfa3..36c80612e21a 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -121,12 +121,6 @@ static const char * const ue_status_hi_desc[] = { "Unknown" }; -/* Is BE in a multi-channel mode */ -static inline bool be_is_mc(struct be_adapter *adapter) { - return (adapter->function_mode & FLEX10_MODE || - adapter->function_mode & VNIC_MODE || - adapter->function_mode & UMC_ENABLED); -} static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) { @@ -258,6 +252,12 @@ static int be_mac_addr_set(struct net_device *netdev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; + /* Proceed further only if, User provided MAC is different + * from active MAC + */ + if (ether_addr_equal(addr->sa_data, netdev->dev_addr)) + return 0; + /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT * privilege or if PF did not provision the new MAC address. * On BE3, this cmd will always fail if the VF doesn't have the @@ -280,14 +280,15 @@ static int be_mac_addr_set(struct net_device *netdev, void *p) /* Decide if the new MAC is successfully activated only after * querying the FW */ - status = be_cmd_get_active_mac(adapter, curr_pmac_id, mac); + status = be_cmd_get_active_mac(adapter, curr_pmac_id, mac, + adapter->if_handle, true, 0); if (status) goto err; /* The MAC change did not happen, either due to lack of privilege * or PF didn't pre-provision. */ - if (memcmp(addr->sa_data, mac, ETH_ALEN)) { + if (!ether_addr_equal(addr->sa_data, mac)) { status = -EPERM; goto err; } @@ -912,24 +913,14 @@ static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); } -static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, - struct sk_buff *skb, - bool *skip_hw_vlan) +static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, + struct sk_buff *skb, + bool *skip_hw_vlan) { struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; unsigned int eth_hdr_len; struct iphdr *ip; - /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less - * may cause a transmit stall on that port. So the work-around is to - * pad short packets (<= 32 bytes) to a 36-byte length. - */ - if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { - if (skb_padto(skb, 36)) - goto tx_drop; - skb->len = 36; - } - /* For padded packets, BE HW modifies tot_len field in IP header * incorrecly when VLAN tag is inserted by HW. * For padded packets, Lancer computes incorrect checksum. @@ -958,7 +949,7 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, vlan_tx_tag_present(skb)) { skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); if (unlikely(!skb)) - goto tx_drop; + goto err; } /* HW may lockup when VLAN HW tagging is requested on @@ -980,15 +971,39 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, be_vlan_tag_tx_chk(adapter, skb)) { skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); if (unlikely(!skb)) - goto tx_drop; + goto err; } return skb; tx_drop: dev_kfree_skb_any(skb); +err: return NULL; } +static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, + struct sk_buff *skb, + bool *skip_hw_vlan) +{ + /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or + * less may cause a transmit stall on that port. So the work-around is + * to pad short packets (<= 32 bytes) to a 36-byte length. + */ + if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { + if (skb_padto(skb, 36)) + return NULL; + skb->len = 36; + } + + if (BEx_chip(adapter) || lancer_chip(adapter)) { + skb = be_lancer_xmit_workarounds(adapter, skb, skip_hw_vlan); + if (!skb) + return NULL; + } + + return skb; +} + static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) { struct be_adapter *adapter = netdev_priv(netdev); @@ -1096,8 +1111,6 @@ static int be_vid_config(struct be_adapter *adapter) dev_info(&adapter->pdev->dev, "Disabling VLAN Promiscuous mode.\n"); adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; - dev_info(&adapter->pdev->dev, - "Re-Enabling HW VLAN filtering\n"); } } } @@ -1105,12 +1118,12 @@ static int be_vid_config(struct be_adapter *adapter) return status; set_vlan_promisc: - dev_warn(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n"); + if (adapter->flags & BE_FLAGS_VLAN_PROMISC) + return 0; status = be_cmd_rx_filter(adapter, BE_FLAGS_VLAN_PROMISC, ON); if (!status) { dev_info(&adapter->pdev->dev, "Enable VLAN Promiscuous mode\n"); - dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering\n"); adapter->flags |= BE_FLAGS_VLAN_PROMISC; } else dev_err(&adapter->pdev->dev, @@ -1123,19 +1136,18 @@ static int be_vlan_add_vid(struct net_device *netdev, __be16 proto, u16 vid) struct be_adapter *adapter = netdev_priv(netdev); int status = 0; - /* Packets with VID 0 are always received by Lancer by default */ if (lancer_chip(adapter) && vid == 0) goto ret; adapter->vlan_tag[vid] = 1; - if (adapter->vlans_added <= (be_max_vlans(adapter) + 1)) - status = be_vid_config(adapter); + adapter->vlans_added++; - if (!status) - adapter->vlans_added++; - else + status = be_vid_config(adapter); + if (status) { + adapter->vlans_added--; adapter->vlan_tag[vid] = 0; + } ret: return status; } @@ -1150,9 +1162,7 @@ static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid) goto ret; adapter->vlan_tag[vid] = 0; - if (adapter->vlans_added <= be_max_vlans(adapter)) - status = be_vid_config(adapter); - + status = be_vid_config(adapter); if (!status) adapter->vlans_added--; else @@ -1161,6 +1171,14 @@ ret: return status; } +static void be_clear_promisc(struct be_adapter *adapter) +{ + adapter->promiscuous = false; + adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; + + be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); +} + static void be_set_rx_mode(struct net_device *netdev) { struct be_adapter *adapter = netdev_priv(netdev); @@ -1174,9 +1192,7 @@ static void be_set_rx_mode(struct net_device *netdev) /* BE was previously in promiscuous mode; disable it */ if (adapter->promiscuous) { - adapter->promiscuous = false; - be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); - + be_clear_promisc(adapter); if (adapter->vlans_added) be_vid_config(adapter); } @@ -1291,24 +1307,20 @@ static int be_set_vf_vlan(struct net_device *netdev, if (vlan || qos) { vlan |= qos << VLAN_PRIO_SHIFT; - if (vf_cfg->vlan_tag != vlan) { - /* If this is new value, program it. Else skip. */ - vf_cfg->vlan_tag = vlan; + if (vf_cfg->vlan_tag != vlan) status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, vf_cfg->if_handle, 0); - } } else { /* Reset Transparent Vlan Tagging. */ - vf_cfg->vlan_tag = 0; - vlan = vf_cfg->def_vid; - status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, - vf_cfg->if_handle, 0); + status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID, + vf + 1, vf_cfg->if_handle, 0); } - - if (status) + if (!status) + vf_cfg->vlan_tag = vlan; + else dev_info(&adapter->pdev->dev, - "VLAN %d config on VF %d failed\n", vlan, vf); + "VLAN %d config on VF %d failed\n", vlan, vf); return status; } @@ -1442,12 +1454,12 @@ static inline bool csum_passed(struct be_rx_compl_info *rxcp) (rxcp->ip_csum || rxcp->ipv6); } -static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo, - u16 frag_idx) +static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo) { struct be_adapter *adapter = rxo->adapter; struct be_rx_page_info *rx_page_info; struct be_queue_info *rxq = &rxo->q; + u16 frag_idx = rxq->tail; rx_page_info = &rxo->page_info_tbl[frag_idx]; BUG_ON(!rx_page_info->page); @@ -1459,6 +1471,7 @@ static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo, rx_page_info->last_page_user = false; } + queue_tail_inc(rxq); atomic_dec(&rxq->used); return rx_page_info; } @@ -1467,15 +1480,13 @@ static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo, static void be_rx_compl_discard(struct be_rx_obj *rxo, struct be_rx_compl_info *rxcp) { - struct be_queue_info *rxq = &rxo->q; struct be_rx_page_info *page_info; u16 i, num_rcvd = rxcp->num_rcvd; for (i = 0; i < num_rcvd; i++) { - page_info = get_rx_page_info(rxo, rxcp->rxq_idx); + page_info = get_rx_page_info(rxo); put_page(page_info->page); memset(page_info, 0, sizeof(*page_info)); - index_inc(&rxcp->rxq_idx, rxq->len); } } @@ -1486,13 +1497,12 @@ static void be_rx_compl_discard(struct be_rx_obj *rxo, static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, struct be_rx_compl_info *rxcp) { - struct be_queue_info *rxq = &rxo->q; struct be_rx_page_info *page_info; u16 i, j; u16 hdr_len, curr_frag_len, remaining; u8 *start; - page_info = get_rx_page_info(rxo, rxcp->rxq_idx); + page_info = get_rx_page_info(rxo); start = page_address(page_info->page) + page_info->page_offset; prefetch(start); @@ -1526,10 +1536,9 @@ static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, } /* More frags present for this completion */ - index_inc(&rxcp->rxq_idx, rxq->len); remaining = rxcp->pkt_size - curr_frag_len; for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { - page_info = get_rx_page_info(rxo, rxcp->rxq_idx); + page_info = get_rx_page_info(rxo); curr_frag_len = min(remaining, rx_frag_size); /* Coalesce all frags from the same physical page in one slot */ @@ -1550,7 +1559,6 @@ static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, skb->data_len += curr_frag_len; skb->truesize += rx_frag_size; remaining -= curr_frag_len; - index_inc(&rxcp->rxq_idx, rxq->len); page_info->page = NULL; } BUG_ON(j > MAX_SKB_FRAGS); @@ -1581,7 +1589,7 @@ static void be_rx_compl_process(struct be_rx_obj *rxo, struct napi_struct *napi, skb->protocol = eth_type_trans(skb, netdev); skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); if (netdev->features & NETIF_F_RXHASH) - skb->rxhash = rxcp->rss_hash; + skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); skb_mark_napi_id(skb, napi); if (rxcp->vlanf) @@ -1598,7 +1606,6 @@ static void be_rx_compl_process_gro(struct be_rx_obj *rxo, struct be_adapter *adapter = rxo->adapter; struct be_rx_page_info *page_info; struct sk_buff *skb = NULL; - struct be_queue_info *rxq = &rxo->q; u16 remaining, curr_frag_len; u16 i, j; @@ -1610,7 +1617,7 @@ static void be_rx_compl_process_gro(struct be_rx_obj *rxo, remaining = rxcp->pkt_size; for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { - page_info = get_rx_page_info(rxo, rxcp->rxq_idx); + page_info = get_rx_page_info(rxo); curr_frag_len = min(remaining, rx_frag_size); @@ -1628,7 +1635,6 @@ static void be_rx_compl_process_gro(struct be_rx_obj *rxo, skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); skb->truesize += rx_frag_size; remaining -= curr_frag_len; - index_inc(&rxcp->rxq_idx, rxq->len); memset(page_info, 0, sizeof(*page_info)); } BUG_ON(j > MAX_SKB_FRAGS); @@ -1639,7 +1645,7 @@ static void be_rx_compl_process_gro(struct be_rx_obj *rxo, skb->ip_summed = CHECKSUM_UNNECESSARY; skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); if (adapter->netdev->features & NETIF_F_RXHASH) - skb->rxhash = rxcp->rss_hash; + skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); skb_mark_napi_id(skb, napi); if (rxcp->vlanf) @@ -1663,8 +1669,6 @@ static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); rxcp->ipv6 = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); - rxcp->rxq_idx = - AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); rxcp->num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); rxcp->pkt_type = @@ -1695,8 +1699,6 @@ static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); rxcp->ipv6 = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); - rxcp->rxq_idx = - AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); rxcp->num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); rxcp->pkt_type = @@ -1776,6 +1778,7 @@ 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; @@ -1788,9 +1791,15 @@ 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); @@ -1914,7 +1923,6 @@ static void be_rx_cq_clean(struct be_rx_obj *rxo) struct be_rx_compl_info *rxcp; struct be_adapter *adapter = rxo->adapter; int flush_wait = 0; - u16 tail; /* Consume pending rx completions. * Wait for the flush completion (identified by zero num_rcvd) @@ -1947,9 +1955,8 @@ static void be_rx_cq_clean(struct be_rx_obj *rxo) be_cq_notify(adapter, rx_cq->id, false, 0); /* Then free posted rx buffers that were not used */ - tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; - for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { - page_info = get_rx_page_info(rxo, tail); + while (atomic_read(&rxq->used) > 0) { + page_info = get_rx_page_info(rxo); put_page(page_info->page); memset(page_info, 0, sizeof(*page_info)); } @@ -2884,14 +2891,11 @@ static int be_vfs_mac_query(struct be_adapter *adapter) int status, vf; u8 mac[ETH_ALEN]; struct be_vf_cfg *vf_cfg; - bool active = false; for_all_vfs(adapter, vf_cfg, vf) { - be_cmd_get_mac_from_list(adapter, mac, &active, - &vf_cfg->pmac_id, 0); - - status = be_cmd_mac_addr_query(adapter, mac, false, - vf_cfg->if_handle, 0); + status = be_cmd_get_active_mac(adapter, vf_cfg->pmac_id, + mac, vf_cfg->if_handle, + false, vf+1); if (status) return status; memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); @@ -3025,11 +3029,11 @@ static int be_vf_setup_init(struct be_adapter *adapter) static int be_vf_setup(struct be_adapter *adapter) { + struct device *dev = &adapter->pdev->dev; struct be_vf_cfg *vf_cfg; - u16 def_vlan, lnk_speed; int status, old_vfs, vf; - struct device *dev = &adapter->pdev->dev; u32 privileges; + u16 lnk_speed; old_vfs = pci_num_vf(adapter->pdev); if (old_vfs) { @@ -3096,12 +3100,6 @@ static int be_vf_setup(struct be_adapter *adapter) if (!status) vf_cfg->tx_rate = lnk_speed; - status = be_cmd_get_hsw_config(adapter, &def_vlan, - vf + 1, vf_cfg->if_handle, NULL); - if (status) - goto err; - vf_cfg->def_vid = def_vlan; - if (!old_vfs) be_cmd_enable_vf(adapter, vf + 1); } @@ -3233,6 +3231,7 @@ static int be_get_resources(struct be_adapter *adapter) /* Routine to query per function resource limits */ static int be_get_config(struct be_adapter *adapter) { + u16 profile_id; int status; status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, @@ -3242,6 +3241,13 @@ static int be_get_config(struct be_adapter *adapter) if (status) return status; + if (be_physfn(adapter)) { + status = be_cmd_get_active_profile(adapter, &profile_id); + if (!status) + dev_info(&adapter->pdev->dev, + "Using profile 0x%x\n", profile_id); + } + status = be_get_resources(adapter); if (status) return status; @@ -3396,11 +3402,6 @@ static int be_setup(struct be_adapter *adapter) goto err; be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); - /* In UMC mode FW does not return right privileges. - * Override with correct privilege equivalent to PF. - */ - if (be_is_mc(adapter)) - adapter->cmd_privileges = MAX_PRIVILEGES; status = be_mac_setup(adapter); if (status) @@ -3419,6 +3420,8 @@ static int be_setup(struct be_adapter *adapter) be_set_rx_mode(adapter->netdev); + be_cmd_get_acpi_wol_cap(adapter); + be_cmd_get_flow_control(adapter, &tx_fc, &rx_fc); if (rx_fc != adapter->rx_fc || tx_fc != adapter->tx_fc) @@ -4288,74 +4291,22 @@ static void be_remove(struct pci_dev *pdev) free_netdev(adapter->netdev); } -bool be_is_wol_supported(struct be_adapter *adapter) -{ - return ((adapter->wol_cap & BE_WOL_CAP) && - !be_is_wol_excluded(adapter)) ? true : false; -} - -u32 be_get_fw_log_level(struct be_adapter *adapter) -{ - struct be_dma_mem extfat_cmd; - struct be_fat_conf_params *cfgs; - int status; - u32 level = 0; - int j; - - if (lancer_chip(adapter)) - return 0; - - memset(&extfat_cmd, 0, sizeof(struct be_dma_mem)); - extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps); - extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size, - &extfat_cmd.dma); - - if (!extfat_cmd.va) { - dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n", - __func__); - goto err; - } - - status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd); - if (!status) { - cfgs = (struct be_fat_conf_params *)(extfat_cmd.va + - sizeof(struct be_cmd_resp_hdr)); - for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) { - if (cfgs->module[0].trace_lvl[j].mode == MODE_UART) - level = cfgs->module[0].trace_lvl[j].dbg_lvl; - } - } - pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va, - extfat_cmd.dma); -err: - return level; -} - static int be_get_initial_config(struct be_adapter *adapter) { - int status; - u32 level; + int status, level; status = be_cmd_get_cntl_attributes(adapter); if (status) return status; - status = be_cmd_get_acpi_wol_cap(adapter); - if (status) { - /* in case of a failure to get wol capabillities - * check the exclusion list to determine WOL capability */ - if (!be_is_wol_excluded(adapter)) - adapter->wol_cap |= BE_WOL_CAP; - } - - if (be_is_wol_supported(adapter)) - adapter->wol = true; - /* Must be a power of 2 or else MODULO will BUG_ON */ adapter->be_get_temp_freq = 64; - level = be_get_fw_log_level(adapter); - adapter->msg_enable = level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; + if (BEx_chip(adapter)) { + level = be_cmd_get_fw_log_level(adapter); + adapter->msg_enable = + level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; + } adapter->cfg_num_qs = netif_get_num_default_rss_queues(); return 0; @@ -4618,7 +4569,7 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state) struct be_adapter *adapter = pci_get_drvdata(pdev); struct net_device *netdev = adapter->netdev; - if (adapter->wol) + if (adapter->wol_en) be_setup_wol(adapter, true); be_intr_set(adapter, false); @@ -4674,7 +4625,7 @@ static int be_resume(struct pci_dev *pdev) msecs_to_jiffies(1000)); netif_device_attach(netdev); - if (adapter->wol) + if (adapter->wol_en) be_setup_wol(adapter, false); return 0; |