diff options
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be_main.c')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 992 |
1 files changed, 648 insertions, 344 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 41a0a5498da..932b93a1496 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -662,48 +662,40 @@ void be_link_status_update(struct be_adapter *adapter, u8 link_status) netif_carrier_off(netdev); } -static void be_tx_stats_update(struct be_tx_obj *txo, - u32 wrb_cnt, u32 copied, u32 gso_segs, - bool stopped) +static void be_tx_stats_update(struct be_tx_obj *txo, struct sk_buff *skb) { struct be_tx_stats *stats = tx_stats(txo); u64_stats_update_begin(&stats->sync); stats->tx_reqs++; - stats->tx_wrbs += wrb_cnt; - stats->tx_bytes += copied; - stats->tx_pkts += (gso_segs ? gso_segs : 1); - if (stopped) - stats->tx_stops++; + stats->tx_bytes += skb->len; + stats->tx_pkts += (skb_shinfo(skb)->gso_segs ? : 1); u64_stats_update_end(&stats->sync); } -/* Determine number of WRB entries needed to xmit data in an skb */ -static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, - bool *dummy) +/* Returns number of WRBs needed for the skb */ +static u32 skb_wrb_cnt(struct sk_buff *skb) { - int cnt = (skb->len > skb->data_len); - - cnt += skb_shinfo(skb)->nr_frags; - - /* to account for hdr wrb */ - cnt++; - if (lancer_chip(adapter) || !(cnt & 1)) { - *dummy = false; - } else { - /* add a dummy to make it an even num */ - cnt++; - *dummy = true; - } - BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); - return cnt; + /* +1 for the header wrb */ + return 1 + (skb_headlen(skb) ? 1 : 0) + skb_shinfo(skb)->nr_frags; } static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) { - wrb->frag_pa_hi = upper_32_bits(addr); - wrb->frag_pa_lo = addr & 0xFFFFFFFF; - wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; + wrb->frag_pa_hi = cpu_to_le32(upper_32_bits(addr)); + wrb->frag_pa_lo = cpu_to_le32(lower_32_bits(addr)); + wrb->frag_len = cpu_to_le32(len & ETH_WRB_FRAG_LEN_MASK); + wrb->rsvd0 = 0; +} + +/* A dummy wrb is just all zeros. Using a separate routine for dummy-wrb + * to avoid the swap and shift/mask operations in wrb_fill(). + */ +static inline void wrb_fill_dummy(struct be_eth_wrb *wrb) +{ + wrb->frag_pa_hi = 0; + wrb->frag_pa_lo = 0; + wrb->frag_len = 0; wrb->rsvd0 = 0; } @@ -713,7 +705,7 @@ static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, u8 vlan_prio; u16 vlan_tag; - vlan_tag = vlan_tx_tag_get(skb); + vlan_tag = skb_vlan_tag_get(skb); vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; /* If vlan priority provided by OS is NOT in available bmap */ if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) @@ -764,52 +756,57 @@ static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, SET_TX_WRB_HDR_BITS(udpcs, hdr, 1); } - if (vlan_tx_tag_present(skb)) { + if (skb_vlan_tag_present(skb)) { SET_TX_WRB_HDR_BITS(vlan, hdr, 1); vlan_tag = be_get_tx_vlan_tag(adapter, skb); SET_TX_WRB_HDR_BITS(vlan_tag, hdr, vlan_tag); } - /* To skip HW VLAN tagging: evt = 1, compl = 0 */ - SET_TX_WRB_HDR_BITS(complete, hdr, !skip_hw_vlan); - SET_TX_WRB_HDR_BITS(event, hdr, 1); SET_TX_WRB_HDR_BITS(num_wrb, hdr, wrb_cnt); SET_TX_WRB_HDR_BITS(len, hdr, len); + + /* Hack to skip HW VLAN tagging needs evt = 1, compl = 0 + * When this hack is not needed, the evt bit is set while ringing DB + */ + if (skip_hw_vlan) + SET_TX_WRB_HDR_BITS(event, hdr, 1); } static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, bool unmap_single) { dma_addr_t dma; + u32 frag_len = le32_to_cpu(wrb->frag_len); - be_dws_le_to_cpu(wrb, sizeof(*wrb)); - dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; - if (wrb->frag_len) { + dma = (u64)le32_to_cpu(wrb->frag_pa_hi) << 32 | + (u64)le32_to_cpu(wrb->frag_pa_lo); + if (frag_len) { if (unmap_single) - dma_unmap_single(dev, dma, wrb->frag_len, - DMA_TO_DEVICE); + dma_unmap_single(dev, dma, frag_len, DMA_TO_DEVICE); else - dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); + dma_unmap_page(dev, dma, frag_len, DMA_TO_DEVICE); } } -static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, - struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb, - bool skip_hw_vlan) +/* Returns the number of WRBs used up by the skb */ +static u32 be_xmit_enqueue(struct be_adapter *adapter, struct be_tx_obj *txo, + struct sk_buff *skb, bool skip_hw_vlan) { - dma_addr_t busaddr; - int i, copied = 0; + u32 i, copied = 0, wrb_cnt = skb_wrb_cnt(skb); struct device *dev = &adapter->pdev->dev; - struct sk_buff *first_skb = skb; - struct be_eth_wrb *wrb; + struct be_queue_info *txq = &txo->q; struct be_eth_hdr_wrb *hdr; bool map_single = false; - u16 map_head; + struct be_eth_wrb *wrb; + dma_addr_t busaddr; + u16 head = txq->head; hdr = queue_head_node(txq); + wrb_fill_hdr(adapter, hdr, skb, wrb_cnt, skb->len, skip_hw_vlan); + be_dws_cpu_to_le(hdr, sizeof(*hdr)); + queue_head_inc(txq); - map_head = txq->head; if (skb->len > skb->data_len) { int len = skb_headlen(skb); @@ -820,7 +817,6 @@ static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, map_single = true; wrb = queue_head_node(txq); wrb_fill(wrb, busaddr, len); - be_dws_cpu_to_le(wrb, sizeof(*wrb)); queue_head_inc(txq); copied += len; } @@ -834,35 +830,44 @@ static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, goto dma_err; wrb = queue_head_node(txq); wrb_fill(wrb, busaddr, skb_frag_size(frag)); - be_dws_cpu_to_le(wrb, sizeof(*wrb)); queue_head_inc(txq); copied += skb_frag_size(frag); } - if (dummy_wrb) { - wrb = queue_head_node(txq); - wrb_fill(wrb, 0, 0); - be_dws_cpu_to_le(wrb, sizeof(*wrb)); - queue_head_inc(txq); - } + BUG_ON(txo->sent_skb_list[head]); + txo->sent_skb_list[head] = skb; + txo->last_req_hdr = head; + atomic_add(wrb_cnt, &txq->used); + txo->last_req_wrb_cnt = wrb_cnt; + txo->pend_wrb_cnt += wrb_cnt; - wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied, skip_hw_vlan); - be_dws_cpu_to_le(hdr, sizeof(*hdr)); + be_tx_stats_update(txo, skb); + return wrb_cnt; - return copied; dma_err: - txq->head = map_head; + /* Bring the queue back to the state it was in before this + * routine was invoked. + */ + txq->head = head; + /* skip the first wrb (hdr); it's not mapped */ + queue_head_inc(txq); while (copied) { wrb = queue_head_node(txq); unmap_tx_frag(dev, wrb, map_single); map_single = false; - copied -= wrb->frag_len; + copied -= le32_to_cpu(wrb->frag_len); adapter->drv_stats.dma_map_errors++; queue_head_inc(txq); } + txq->head = head; return 0; } +static inline int qnq_async_evt_rcvd(struct be_adapter *adapter) +{ + return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD; +} + static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, struct sk_buff *skb, bool *skip_hw_vlan) @@ -873,7 +878,7 @@ static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, if (unlikely(!skb)) return skb; - if (vlan_tx_tag_present(skb)) + if (skb_vlan_tag_present(skb)) vlan_tag = be_get_tx_vlan_tag(adapter, skb); if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { @@ -932,7 +937,7 @@ static bool be_ipv6_exthdr_check(struct sk_buff *skb) 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; + return skb_vlan_tag_present(skb) || adapter->pvid || adapter->qnq_vid; } static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, struct sk_buff *skb) @@ -955,7 +960,7 @@ static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? VLAN_ETH_HLEN : ETH_HLEN; if (skb->len <= 60 && - (lancer_chip(adapter) || vlan_tx_tag_present(skb)) && + (lancer_chip(adapter) || skb_vlan_tag_present(skb)) && is_ipv4_pkt(skb)) { ip = (struct iphdr *)ip_hdr(skb); pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); @@ -973,7 +978,7 @@ static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, * Manually insert VLAN in pkt. */ if (skb->ip_summed != CHECKSUM_PARTIAL && - vlan_tx_tag_present(skb)) { + skb_vlan_tag_present(skb)) { skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); if (unlikely(!skb)) goto err; @@ -1030,52 +1035,64 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, return skb; } +static void be_xmit_flush(struct be_adapter *adapter, struct be_tx_obj *txo) +{ + struct be_queue_info *txq = &txo->q; + struct be_eth_hdr_wrb *hdr = queue_index_node(txq, txo->last_req_hdr); + + /* Mark the last request eventable if it hasn't been marked already */ + if (!(hdr->dw[2] & cpu_to_le32(TX_HDR_WRB_EVT))) + hdr->dw[2] |= cpu_to_le32(TX_HDR_WRB_EVT | TX_HDR_WRB_COMPL); + + /* compose a dummy wrb if there are odd set of wrbs to notify */ + if (!lancer_chip(adapter) && (txo->pend_wrb_cnt & 1)) { + wrb_fill_dummy(queue_head_node(txq)); + queue_head_inc(txq); + atomic_inc(&txq->used); + txo->pend_wrb_cnt++; + hdr->dw[2] &= ~cpu_to_le32(TX_HDR_WRB_NUM_MASK << + TX_HDR_WRB_NUM_SHIFT); + hdr->dw[2] |= cpu_to_le32((txo->last_req_wrb_cnt + 1) << + TX_HDR_WRB_NUM_SHIFT); + } + be_txq_notify(adapter, txo, txo->pend_wrb_cnt); + txo->pend_wrb_cnt = 0; +} + static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) { + bool skip_hw_vlan = false, flush = !skb->xmit_more; struct be_adapter *adapter = netdev_priv(netdev); - struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)]; + u16 q_idx = skb_get_queue_mapping(skb); + struct be_tx_obj *txo = &adapter->tx_obj[q_idx]; struct be_queue_info *txq = &txo->q; - bool dummy_wrb, stopped = false; - u32 wrb_cnt = 0, copied = 0; - bool skip_hw_vlan = false; - u32 start = txq->head; + u16 wrb_cnt; skb = be_xmit_workarounds(adapter, skb, &skip_hw_vlan); - if (!skb) { - tx_stats(txo)->tx_drv_drops++; - return NETDEV_TX_OK; - } + if (unlikely(!skb)) + goto drop; - wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); + wrb_cnt = be_xmit_enqueue(adapter, txo, skb, skip_hw_vlan); + if (unlikely(!wrb_cnt)) { + dev_kfree_skb_any(skb); + goto drop; + } - copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb, - skip_hw_vlan); - if (copied) { - int gso_segs = skb_shinfo(skb)->gso_segs; + if ((atomic_read(&txq->used) + BE_MAX_TX_FRAG_COUNT) >= txq->len) { + netif_stop_subqueue(netdev, q_idx); + tx_stats(txo)->tx_stops++; + } - /* record the sent skb in the sent_skb table */ - BUG_ON(txo->sent_skb_list[start]); - txo->sent_skb_list[start] = skb; + if (flush || __netif_subqueue_stopped(netdev, q_idx)) + be_xmit_flush(adapter, txo); - /* Ensure txq has space for the next skb; Else stop the queue - * *BEFORE* ringing the tx doorbell, so that we serialze the - * tx compls of the current transmit which'll wake up the queue - */ - atomic_add(wrb_cnt, &txq->used); - if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= - txq->len) { - netif_stop_subqueue(netdev, skb_get_queue_mapping(skb)); - stopped = true; - } - - be_txq_notify(adapter, txo, wrb_cnt); + return NETDEV_TX_OK; +drop: + tx_stats(txo)->tx_drv_drops++; + /* Flush the already enqueued tx requests */ + if (flush && txo->pend_wrb_cnt) + be_xmit_flush(adapter, txo); - 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; } @@ -1096,6 +1113,43 @@ static int be_change_mtu(struct net_device *netdev, int new_mtu) return 0; } +static inline bool be_in_all_promisc(struct be_adapter *adapter) +{ + return (adapter->if_flags & BE_IF_FLAGS_ALL_PROMISCUOUS) == + BE_IF_FLAGS_ALL_PROMISCUOUS; +} + +static int be_set_vlan_promisc(struct be_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + int status; + + if (adapter->if_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) + return 0; + + status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_VLAN_PROMISCUOUS, ON); + if (!status) { + dev_info(dev, "Enabled VLAN promiscuous mode\n"); + adapter->if_flags |= BE_IF_FLAGS_VLAN_PROMISCUOUS; + } else { + dev_err(dev, "Failed to enable VLAN promiscuous mode\n"); + } + return status; +} + +static int be_clear_vlan_promisc(struct be_adapter *adapter) +{ + struct device *dev = &adapter->pdev->dev; + int status; + + status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_VLAN_PROMISCUOUS, OFF); + if (!status) { + dev_info(dev, "Disabling VLAN promiscuous mode\n"); + adapter->if_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS; + } + return status; +} + /* * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. * If the user configures more, place BE in vlan promiscuous mode. @@ -1108,11 +1162,11 @@ static int be_vid_config(struct be_adapter *adapter) int status = 0; /* No need to further configure vids if in promiscuous mode */ - if (adapter->promiscuous) + if (be_in_all_promisc(adapter)) return 0; if (adapter->vlans_added > be_max_vlans(adapter)) - goto set_vlan_promisc; + return be_set_vlan_promisc(adapter); /* Construct VLAN Table to give to HW */ for_each_set_bit(i, adapter->vids, VLAN_N_VID) @@ -1120,36 +1174,14 @@ static int be_vid_config(struct be_adapter *adapter) status = be_cmd_vlan_config(adapter, adapter->if_handle, vids, num); if (status) { + dev_err(dev, "Setting HW VLAN filtering failed\n"); /* Set to VLAN promisc mode as setting VLAN filter failed */ if (addl_status(status) == MCC_ADDL_STATUS_INSUFFICIENT_RESOURCES) - goto set_vlan_promisc; - dev_err(dev, "Setting HW VLAN filtering failed\n"); - } else { - if (adapter->flags & BE_FLAGS_VLAN_PROMISC) { - /* hw VLAN filtering re-enabled. */ - status = be_cmd_rx_filter(adapter, - BE_FLAGS_VLAN_PROMISC, OFF); - if (!status) { - dev_info(dev, - "Disabling VLAN Promiscuous mode\n"); - adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; - } - } + return be_set_vlan_promisc(adapter); + } else if (adapter->if_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) { + status = be_clear_vlan_promisc(adapter); } - - return status; - -set_vlan_promisc: - if (adapter->flags & BE_FLAGS_VLAN_PROMISC) - return 0; - - status = be_cmd_rx_filter(adapter, BE_FLAGS_VLAN_PROMISC, ON); - if (!status) { - dev_info(dev, "Enable VLAN Promiscuous mode\n"); - adapter->flags |= BE_FLAGS_VLAN_PROMISC; - } else - dev_err(dev, "Failed to enable VLAN Promiscuous mode\n"); return status; } @@ -1191,79 +1223,99 @@ static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid) return be_vid_config(adapter); } -static void be_clear_promisc(struct be_adapter *adapter) +static void be_clear_all_promisc(struct be_adapter *adapter) { - adapter->promiscuous = false; - adapter->flags &= ~(BE_FLAGS_VLAN_PROMISC | BE_FLAGS_MCAST_PROMISC); + be_cmd_rx_filter(adapter, BE_IF_FLAGS_ALL_PROMISCUOUS, OFF); + adapter->if_flags &= ~BE_IF_FLAGS_ALL_PROMISCUOUS; +} - be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); +static void be_set_all_promisc(struct be_adapter *adapter) +{ + be_cmd_rx_filter(adapter, BE_IF_FLAGS_ALL_PROMISCUOUS, ON); + adapter->if_flags |= BE_IF_FLAGS_ALL_PROMISCUOUS; } -static void be_set_rx_mode(struct net_device *netdev) +static void be_set_mc_promisc(struct be_adapter *adapter) { - struct be_adapter *adapter = netdev_priv(netdev); int status; - if (netdev->flags & IFF_PROMISC) { - be_cmd_rx_filter(adapter, IFF_PROMISC, ON); - adapter->promiscuous = true; - goto done; - } + if (adapter->if_flags & BE_IF_FLAGS_MCAST_PROMISCUOUS) + return; - /* BE was previously in promiscuous mode; disable it */ - if (adapter->promiscuous) { - be_clear_promisc(adapter); - if (adapter->vlans_added) - be_vid_config(adapter); + status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_MCAST_PROMISCUOUS, ON); + if (!status) + adapter->if_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS; +} + +static void be_set_mc_list(struct be_adapter *adapter) +{ + int status; + + status = be_cmd_rx_filter(adapter, BE_IF_FLAGS_MULTICAST, ON); + if (!status) + adapter->if_flags &= ~BE_IF_FLAGS_MCAST_PROMISCUOUS; + else + be_set_mc_promisc(adapter); +} + +static void be_set_uc_list(struct be_adapter *adapter) +{ + struct netdev_hw_addr *ha; + int i = 1; /* First slot is claimed by the Primary MAC */ + + for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) + be_cmd_pmac_del(adapter, adapter->if_handle, + adapter->pmac_id[i], 0); + + if (netdev_uc_count(adapter->netdev) > be_max_uc(adapter)) { + be_set_all_promisc(adapter); + return; } - /* Enable multicast promisc if num configured exceeds what we support */ - if (netdev->flags & IFF_ALLMULTI || - netdev_mc_count(netdev) > be_max_mc(adapter)) - goto set_mcast_promisc; + netdev_for_each_uc_addr(ha, adapter->netdev) { + adapter->uc_macs++; /* First slot is for Primary MAC */ + be_cmd_pmac_add(adapter, (u8 *)ha->addr, adapter->if_handle, + &adapter->pmac_id[adapter->uc_macs], 0); + } +} - if (netdev_uc_count(netdev) != adapter->uc_macs) { - struct netdev_hw_addr *ha; - int i = 1; /* First slot is claimed by the Primary MAC */ +static void be_clear_uc_list(struct be_adapter *adapter) +{ + int i; - for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) { - be_cmd_pmac_del(adapter, adapter->if_handle, - adapter->pmac_id[i], 0); - } + 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; +} - if (netdev_uc_count(netdev) > be_max_uc(adapter)) { - be_cmd_rx_filter(adapter, IFF_PROMISC, ON); - adapter->promiscuous = true; - goto done; - } +static void be_set_rx_mode(struct net_device *netdev) +{ + struct be_adapter *adapter = netdev_priv(netdev); - netdev_for_each_uc_addr(ha, adapter->netdev) { - adapter->uc_macs++; /* First slot is for Primary MAC */ - be_cmd_pmac_add(adapter, (u8 *)ha->addr, - adapter->if_handle, - &adapter->pmac_id[adapter->uc_macs], 0); - } + if (netdev->flags & IFF_PROMISC) { + be_set_all_promisc(adapter); + return; } - status = be_cmd_rx_filter(adapter, IFF_MULTICAST, ON); - if (!status) { - if (adapter->flags & BE_FLAGS_MCAST_PROMISC) - adapter->flags &= ~BE_FLAGS_MCAST_PROMISC; - goto done; + /* Interface was previously in promiscuous mode; disable it */ + if (be_in_all_promisc(adapter)) { + be_clear_all_promisc(adapter); + if (adapter->vlans_added) + be_vid_config(adapter); } -set_mcast_promisc: - if (adapter->flags & BE_FLAGS_MCAST_PROMISC) + /* Enable multicast promisc if num configured exceeds what we support */ + if (netdev->flags & IFF_ALLMULTI || + netdev_mc_count(netdev) > be_max_mc(adapter)) { + be_set_mc_promisc(adapter); return; + } - /* Set to MCAST promisc mode if setting MULTICAST address fails - * or if num configured exceeds what we support - */ - status = be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); - if (!status) - adapter->flags |= BE_FLAGS_MCAST_PROMISC; -done: - return; + if (netdev_uc_count(netdev) != adapter->uc_macs) + be_set_uc_list(adapter); + + be_set_mc_list(adapter); } static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) @@ -1959,32 +2011,34 @@ static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) static u16 be_tx_compl_process(struct be_adapter *adapter, struct be_tx_obj *txo, u16 last_index) { + struct sk_buff **sent_skbs = txo->sent_skb_list; struct be_queue_info *txq = &txo->q; + u16 frag_index, num_wrbs = 0; + struct sk_buff *skb = NULL; + bool unmap_skb_hdr = false; struct be_eth_wrb *wrb; - struct sk_buff **sent_skbs = txo->sent_skb_list; - struct sk_buff *sent_skb; - u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ - bool unmap_skb_hdr = true; - - sent_skb = sent_skbs[txq->tail]; - BUG_ON(!sent_skb); - sent_skbs[txq->tail] = NULL; - - /* skip header wrb */ - queue_tail_inc(txq); do { - cur_index = txq->tail; + if (sent_skbs[txq->tail]) { + /* Free skb from prev req */ + if (skb) + dev_consume_skb_any(skb); + skb = sent_skbs[txq->tail]; + sent_skbs[txq->tail] = NULL; + queue_tail_inc(txq); /* skip hdr wrb */ + num_wrbs++; + unmap_skb_hdr = true; + } wrb = queue_tail_node(txq); + frag_index = txq->tail; unmap_tx_frag(&adapter->pdev->dev, wrb, - (unmap_skb_hdr && skb_headlen(sent_skb))); + (unmap_skb_hdr && skb_headlen(skb))); unmap_skb_hdr = false; - - num_wrbs++; queue_tail_inc(txq); - } while (cur_index != last_index); + num_wrbs++; + } while (frag_index != last_index); + dev_consume_skb_any(skb); - dev_consume_skb_any(sent_skb); return num_wrbs; } @@ -2068,12 +2122,11 @@ static void be_rx_cq_clean(struct be_rx_obj *rxo) static void be_tx_compl_clean(struct be_adapter *adapter) { + u16 end_idx, notified_idx, cmpl = 0, timeo = 0, num_wrbs = 0; + struct device *dev = &adapter->pdev->dev; struct be_tx_obj *txo; struct be_queue_info *txq; struct be_eth_tx_compl *txcp; - u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; - struct sk_buff *sent_skb; - bool dummy_wrb; int i, pending_txqs; /* Stop polling for compls when HW has been silent for 10ms */ @@ -2095,7 +2148,7 @@ static void be_tx_compl_clean(struct be_adapter *adapter) atomic_sub(num_wrbs, &txq->used); timeo = 0; } - if (atomic_read(&txq->used) == 0) + if (atomic_read(&txq->used) == txo->pend_wrb_cnt) pending_txqs--; } @@ -2105,21 +2158,29 @@ static void be_tx_compl_clean(struct be_adapter *adapter) mdelay(1); } while (true); + /* Free enqueued TX that was never notified to HW */ for_all_tx_queues(adapter, txo, i) { txq = &txo->q; - if (atomic_read(&txq->used)) - dev_err(&adapter->pdev->dev, "%d pending tx-compls\n", - atomic_read(&txq->used)); - /* free posted tx for which compls will never arrive */ - while (atomic_read(&txq->used)) { - sent_skb = txo->sent_skb_list[txq->tail]; + if (atomic_read(&txq->used)) { + dev_info(dev, "txq%d: cleaning %d pending tx-wrbs\n", + i, atomic_read(&txq->used)); + notified_idx = txq->tail; end_idx = txq->tail; - num_wrbs = wrb_cnt_for_skb(adapter, sent_skb, - &dummy_wrb); - index_adv(&end_idx, num_wrbs - 1, txq->len); + index_adv(&end_idx, atomic_read(&txq->used) - 1, + txq->len); + /* Use the tx-compl process logic to handle requests + * that were not sent to the HW. + */ num_wrbs = be_tx_compl_process(adapter, txo, end_idx); atomic_sub(num_wrbs, &txq->used); + BUG_ON(atomic_read(&txq->used)); + txo->pend_wrb_cnt = 0; + /* Since hw was never notified of these requests, + * reset TXQ indices + */ + txq->head = notified_idx; + txq->tail = notified_idx; } } } @@ -2514,6 +2575,106 @@ static void be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, } } +#ifdef CONFIG_NET_RX_BUSY_POLL +static inline bool be_lock_napi(struct be_eq_obj *eqo) +{ + bool status = true; + + spin_lock(&eqo->lock); /* BH is already disabled */ + if (eqo->state & BE_EQ_LOCKED) { + WARN_ON(eqo->state & BE_EQ_NAPI); + eqo->state |= BE_EQ_NAPI_YIELD; + status = false; + } else { + eqo->state = BE_EQ_NAPI; + } + spin_unlock(&eqo->lock); + return status; +} + +static inline void be_unlock_napi(struct be_eq_obj *eqo) +{ + spin_lock(&eqo->lock); /* BH is already disabled */ + + WARN_ON(eqo->state & (BE_EQ_POLL | BE_EQ_NAPI_YIELD)); + eqo->state = BE_EQ_IDLE; + + spin_unlock(&eqo->lock); +} + +static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) +{ + bool status = true; + + spin_lock_bh(&eqo->lock); + if (eqo->state & BE_EQ_LOCKED) { + eqo->state |= BE_EQ_POLL_YIELD; + status = false; + } else { + eqo->state |= BE_EQ_POLL; + } + spin_unlock_bh(&eqo->lock); + return status; +} + +static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) +{ + spin_lock_bh(&eqo->lock); + + WARN_ON(eqo->state & (BE_EQ_NAPI)); + eqo->state = BE_EQ_IDLE; + + spin_unlock_bh(&eqo->lock); +} + +static inline void be_enable_busy_poll(struct be_eq_obj *eqo) +{ + spin_lock_init(&eqo->lock); + eqo->state = BE_EQ_IDLE; +} + +static inline void be_disable_busy_poll(struct be_eq_obj *eqo) +{ + local_bh_disable(); + + /* It's enough to just acquire napi lock on the eqo to stop + * be_busy_poll() from processing any queueus. + */ + while (!be_lock_napi(eqo)) + mdelay(1); + + local_bh_enable(); +} + +#else /* CONFIG_NET_RX_BUSY_POLL */ + +static inline bool be_lock_napi(struct be_eq_obj *eqo) +{ + return true; +} + +static inline void be_unlock_napi(struct be_eq_obj *eqo) +{ +} + +static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) +{ + return false; +} + +static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) +{ +} + +static inline void be_enable_busy_poll(struct be_eq_obj *eqo) +{ +} + +static inline void be_disable_busy_poll(struct be_eq_obj *eqo) +{ +} +#endif /* CONFIG_NET_RX_BUSY_POLL */ + int be_poll(struct napi_struct *napi, int budget) { struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); @@ -2833,11 +2994,7 @@ static int be_close(struct net_device *netdev) be_tx_compl_clean(adapter); 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; + be_clear_uc_list(adapter); for_all_evt_queues(adapter, eqo, i) { if (msix_enabled(adapter)) @@ -3008,6 +3165,19 @@ static int be_setup_wol(struct be_adapter *adapter, bool enable) return status; } +static void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac) +{ + u32 addr; + + addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0); + + mac[5] = (u8)(addr & 0xFF); + mac[4] = (u8)((addr >> 8) & 0xFF); + mac[3] = (u8)((addr >> 16) & 0xFF); + /* Use the OUI from the current MAC address */ + memcpy(mac, adapter->netdev->dev_addr, 3); +} + /* * Generate a seed MAC address from the PF MAC Address using jhash. * MAC Address for VFs are assigned incrementally starting from the seed. @@ -3108,14 +3278,9 @@ static void be_cancel_worker(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; - + be_cmd_pmac_del(adapter, adapter->if_handle, + adapter->pmac_id[0], 0); kfree(adapter->pmac_id); adapter->pmac_id = NULL; } @@ -3171,13 +3336,32 @@ static int be_clear(struct be_adapter *adapter) return 0; } +static int be_if_create(struct be_adapter *adapter, u32 *if_handle, + u32 cap_flags, u32 vf) +{ + u32 en_flags; + int status; + + en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | + BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS | + BE_IF_FLAGS_RSS; + + en_flags &= cap_flags; + + status = be_cmd_if_create(adapter, cap_flags, en_flags, + if_handle, vf); + + return status; +} + static int be_vfs_if_create(struct be_adapter *adapter) { struct be_resources res = {0}; struct be_vf_cfg *vf_cfg; - u32 cap_flags, en_flags, vf; - int status = 0; + u32 cap_flags, vf; + int status; + /* If a FW profile exists, then cap_flags are updated */ cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_MULTICAST; @@ -3189,18 +3373,13 @@ static int be_vfs_if_create(struct be_adapter *adapter) cap_flags = res.if_cap_flags; } - /* If a FW profile exists, then cap_flags are updated */ - en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | - BE_IF_FLAGS_BROADCAST | - BE_IF_FLAGS_MULTICAST); - status = - be_cmd_if_create(adapter, cap_flags, en_flags, - &vf_cfg->if_handle, vf + 1); + status = be_if_create(adapter, &vf_cfg->if_handle, + cap_flags, vf + 1); if (status) - goto err; + return status; } -err: - return status; + + return 0; } static int be_vf_setup_init(struct be_adapter *adapter) @@ -3385,7 +3564,7 @@ static void be_setup_init(struct be_adapter *adapter) adapter->phy.link_speed = -1; adapter->if_handle = -1; adapter->be3_native = false; - adapter->promiscuous = false; + adapter->if_flags = 0; if (be_physfn(adapter)) adapter->cmd_privileges = MAX_PRIVILEGES; else @@ -3512,7 +3691,9 @@ static int be_get_config(struct be_adapter *adapter) if (status) return status; - if (be_physfn(adapter)) { + be_cmd_query_port_name(adapter); + + if (be_physfn(adapter)) { status = be_cmd_get_active_profile(adapter, &profile_id); if (!status) dev_info(&adapter->pdev->dev, @@ -3638,10 +3819,20 @@ int be_update_queues(struct be_adapter *adapter) return status; } +static inline int fw_major_num(const char *fw_ver) +{ + int fw_major = 0, i; + + i = sscanf(fw_ver, "%d.", &fw_major); + if (i != 1) + return 0; + + return fw_major; +} + static int be_setup(struct be_adapter *adapter) { struct device *dev = &adapter->pdev->dev; - u32 tx_fc, rx_fc, en_flags; int status; be_setup_init(adapter); @@ -3657,13 +3848,8 @@ static int be_setup(struct be_adapter *adapter) if (status) goto err; - en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | - BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS; - if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) - en_flags |= BE_IF_FLAGS_RSS; - en_flags = en_flags & be_if_cap_flags(adapter); - status = be_cmd_if_create(adapter, be_if_cap_flags(adapter), en_flags, - &adapter->if_handle, 0); + status = be_if_create(adapter, &adapter->if_handle, + be_if_cap_flags(adapter), 0); if (status) goto err; @@ -3696,11 +3882,14 @@ static int be_setup(struct be_adapter *adapter) be_cmd_get_acpi_wol_cap(adapter); - be_cmd_get_flow_control(adapter, &tx_fc, &rx_fc); + status = be_cmd_set_flow_control(adapter, adapter->tx_fc, + adapter->rx_fc); + if (status) + be_cmd_get_flow_control(adapter, &adapter->tx_fc, + &adapter->rx_fc); - if (rx_fc != adapter->rx_fc || tx_fc != adapter->tx_fc) - be_cmd_set_flow_control(adapter, adapter->tx_fc, - adapter->rx_fc); + dev_info(&adapter->pdev->dev, "HW Flow control - TX:%d RX:%d\n", + adapter->tx_fc, adapter->rx_fc); if (be_physfn(adapter)) be_cmd_set_logical_link_config(adapter, @@ -3739,7 +3928,7 @@ static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "}; static bool phy_flashing_required(struct be_adapter *adapter) { - return (adapter->phy.phy_type == TN_8022 && + return (adapter->phy.phy_type == PHY_TYPE_TN_8022 && adapter->phy.interface_type == PHY_TYPE_BASET_10GB); } @@ -3790,7 +3979,8 @@ static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p, int status; u8 crc[4]; - status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_size - 4); + status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_offset, + img_size - 4); if (status) return status; @@ -3806,13 +3996,13 @@ static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p, } static int be_flash(struct be_adapter *adapter, const u8 *img, - struct be_dma_mem *flash_cmd, int optype, int img_size) + struct be_dma_mem *flash_cmd, int optype, int img_size, + u32 img_offset) { + u32 flash_op, num_bytes, total_bytes = img_size, bytes_sent = 0; struct be_cmd_write_flashrom *req = flash_cmd->va; - u32 total_bytes, flash_op, num_bytes; int status; - total_bytes = img_size; while (total_bytes) { num_bytes = min_t(u32, 32*1024, total_bytes); @@ -3833,12 +4023,15 @@ static int be_flash(struct be_adapter *adapter, const u8 *img, memcpy(req->data_buf, img, num_bytes); img += num_bytes; status = be_cmd_write_flashrom(adapter, flash_cmd, optype, - flash_op, num_bytes); + flash_op, img_offset + + bytes_sent, num_bytes); if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST && optype == OPTYPE_PHY_FW) break; else if (status) return status; + + bytes_sent += num_bytes; } return 0; } @@ -3906,6 +4099,7 @@ static int be_flash_BEx(struct be_adapter *adapter, pflashcomp = gen2_flash_types; filehdr_size = sizeof(struct flash_file_hdr_g2); num_comp = ARRAY_SIZE(gen2_flash_types); + img_hdrs_size = 0; } /* Get flash section info*/ @@ -3950,7 +4144,7 @@ static int be_flash_BEx(struct be_adapter *adapter, return -1; status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype, - pflashcomp[i].size); + pflashcomp[i].size, 0); if (status) { dev_err(dev, "Flashing section type 0x%x failed\n", pflashcomp[i].img_type); @@ -4017,12 +4211,12 @@ static int be_flash_skyhawk(struct be_adapter *adapter, struct be_dma_mem *flash_cmd, int num_of_images) { int img_hdrs_size = num_of_images * sizeof(struct image_hdr); + bool crc_match, old_fw_img, flash_offset_support = true; struct device *dev = &adapter->pdev->dev; struct flash_section_info *fsec = NULL; u32 img_offset, img_size, img_type; + u16 img_optype, flash_optype; int status, i, filehdr_size; - bool crc_match, old_fw_img; - u16 img_optype; const u8 *p; filehdr_size = sizeof(struct flash_file_hdr_g3); @@ -4032,6 +4226,7 @@ static int be_flash_skyhawk(struct be_adapter *adapter, return -EINVAL; } +retry_flash: for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) { img_offset = le32_to_cpu(fsec->fsec_entry[i].offset); img_size = le32_to_cpu(fsec->fsec_entry[i].pad_size); @@ -4041,6 +4236,12 @@ static int be_flash_skyhawk(struct be_adapter *adapter, if (img_optype == 0xFFFF) continue; + + if (flash_offset_support) + flash_optype = OPTYPE_OFFSET_SPECIFIED; + else + flash_optype = img_optype; + /* Don't bother verifying CRC if an old FW image is being * flashed */ @@ -4049,16 +4250,26 @@ static int be_flash_skyhawk(struct be_adapter *adapter, status = be_check_flash_crc(adapter, fw->data, img_offset, img_size, filehdr_size + - img_hdrs_size, img_optype, + img_hdrs_size, flash_optype, &crc_match); - /* The current FW image on the card does not recognize the new - * FLASH op_type. The FW download is partially complete. - * Reboot the server now to enable FW image to recognize the - * new FLASH op_type. To complete the remaining process, - * download the same FW again after the reboot. - */ if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST || base_status(status) == MCC_STATUS_ILLEGAL_FIELD) { + /* The current FW image on the card does not support + * OFFSET based flashing. Retry using older mechanism + * of OPTYPE based flashing + */ + if (flash_optype == OPTYPE_OFFSET_SPECIFIED) { + flash_offset_support = false; + goto retry_flash; + } + + /* The current FW image on the card does not recognize + * the new FLASH op_type. The FW download is partially + * complete. Reboot the server now to enable FW image + * to recognize the new FLASH op_type. To complete the + * remaining process, download the same FW again after + * the reboot. + */ dev_err(dev, "Flash incomplete. Reset the server\n"); dev_err(dev, "Download FW image again after reset\n"); return -EAGAIN; @@ -4076,7 +4287,19 @@ flash: if (p + img_size > fw->data + fw->size) return -1; - status = be_flash(adapter, p, flash_cmd, img_optype, img_size); + status = be_flash(adapter, p, flash_cmd, flash_optype, img_size, + img_offset); + + /* The current FW image on the card does not support OFFSET + * based flashing. Retry using older mechanism of OPTYPE based + * flashing + */ + if (base_status(status) == MCC_STATUS_ILLEGAL_FIELD && + flash_optype == OPTYPE_OFFSET_SPECIFIED) { + flash_offset_support = false; + goto retry_flash; + } + /* For old FW images ignore ILLEGAL_FIELD error or errors on * UFI_DIR region */ @@ -4179,98 +4402,105 @@ static int lancer_fw_download(struct be_adapter *adapter, return 0; } -#define UFI_TYPE2 2 -#define UFI_TYPE3 3 -#define UFI_TYPE3R 10 -#define UFI_TYPE4 4 +#define BE2_UFI 2 +#define BE3_UFI 3 +#define BE3R_UFI 10 +#define SH_UFI 4 +#define SH_P2_UFI 11 + static int be_get_ufi_type(struct be_adapter *adapter, struct flash_file_hdr_g3 *fhdr) { - if (!fhdr) - goto be_get_ufi_exit; + if (!fhdr) { + dev_err(&adapter->pdev->dev, "Invalid FW UFI file"); + return -1; + } - if (skyhawk_chip(adapter) && fhdr->build[0] == '4') - return UFI_TYPE4; - 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; + /* First letter of the build version is used to identify + * which chip this image file is meant for. + */ + switch (fhdr->build[0]) { + case BLD_STR_UFI_TYPE_SH: + return (fhdr->asic_type_rev == ASIC_REV_P2) ? SH_P2_UFI : + SH_UFI; + case BLD_STR_UFI_TYPE_BE3: + return (fhdr->asic_type_rev == ASIC_REV_B0) ? BE3R_UFI : + BE3_UFI; + case BLD_STR_UFI_TYPE_BE2: + return BE2_UFI; + default: + return -1; + } +} -be_get_ufi_exit: - dev_err(&adapter->pdev->dev, - "UFI and Interface are not compatible for flashing\n"); - return -1; +/* Check if the flash image file is compatible with the adapter that + * is being flashed. + * BE3 chips with asic-rev B0 must be flashed only with BE3R_UFI type. + * Skyhawk chips with asic-rev P2 must be flashed only with SH_P2_UFI type. + */ +static bool be_check_ufi_compatibility(struct be_adapter *adapter, + struct flash_file_hdr_g3 *fhdr) +{ + int ufi_type = be_get_ufi_type(adapter, fhdr); + + switch (ufi_type) { + case SH_P2_UFI: + return skyhawk_chip(adapter); + case SH_UFI: + return (skyhawk_chip(adapter) && + adapter->asic_rev < ASIC_REV_P2); + case BE3R_UFI: + return BE3_chip(adapter); + case BE3_UFI: + return (BE3_chip(adapter) && adapter->asic_rev < ASIC_REV_B0); + case BE2_UFI: + return BE2_chip(adapter); + default: + return false; + } } static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) { + struct device *dev = &adapter->pdev->dev; struct flash_file_hdr_g3 *fhdr3; - struct image_hdr *img_hdr_ptr = NULL; + struct image_hdr *img_hdr_ptr; + int status = 0, i, num_imgs; struct be_dma_mem flash_cmd; - const u8 *p; - int status = 0, i = 0, num_imgs = 0, ufi_type = 0; - flash_cmd.size = sizeof(struct be_cmd_write_flashrom); - flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, - &flash_cmd.dma, GFP_KERNEL); - if (!flash_cmd.va) { - status = -ENOMEM; - goto be_fw_exit; + fhdr3 = (struct flash_file_hdr_g3 *)fw->data; + if (!be_check_ufi_compatibility(adapter, fhdr3)) { + dev_err(dev, "Flash image is not compatible with adapter\n"); + return -EINVAL; } - p = fw->data; - fhdr3 = (struct flash_file_hdr_g3 *)p; - - ufi_type = be_get_ufi_type(adapter, fhdr3); + flash_cmd.size = sizeof(struct be_cmd_write_flashrom); + flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma, + GFP_KERNEL); + if (!flash_cmd.va) + return -ENOMEM; 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) { - switch (ufi_type) { - case UFI_TYPE4: - status = be_flash_skyhawk(adapter, fw, - &flash_cmd, num_imgs); - 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 = -EINVAL; - dev_err(&adapter->pdev->dev, - "Can't load BE3 UFI on BE3R\n"); - } - } - } - } - - if (ufi_type == UFI_TYPE2) - status = be_flash_BEx(adapter, fw, &flash_cmd, 0); - else if (ufi_type == -1) - status = -EINVAL; + if (!BE2_chip(adapter) && + le32_to_cpu(img_hdr_ptr->imageid) != 1) + continue; - dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, - flash_cmd.dma); - if (status) { - dev_err(&adapter->pdev->dev, "Firmware load error\n"); - goto be_fw_exit; + if (skyhawk_chip(adapter)) + status = be_flash_skyhawk(adapter, fw, &flash_cmd, + num_imgs); + else + status = be_flash_BEx(adapter, fw, &flash_cmd, + num_imgs); } - dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); + dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma); + if (!status) + dev_info(dev, "Firmware flashed successfully\n"); -be_fw_exit: return status; } @@ -4304,7 +4534,8 @@ fw_exit: return status; } -static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh) +static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, + u16 flags) { struct be_adapter *adapter = netdev_priv(dev); struct nlattr *attr, *br_spec; @@ -4383,8 +4614,9 @@ static int be_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, * distinguish various types of transports (VxLAN, GRE, NVGRE ..). So, offload * is expected to work across all types of IP tunnels once exported. Skyhawk * supports offloads for either VxLAN or NVGRE, exclusively. So we export VxLAN - * offloads in hw_enc_features only when a VxLAN port is added. Note this only - * ensures that other tunnels work fine while VxLAN offloads are not enabled. + * offloads in hw_enc_features only when a VxLAN port is added. If other (non + * VxLAN) tunnels are configured while VxLAN offloads are enabled, offloads for + * those other tunnels are unexported on the fly through ndo_features_check(). * * Skyhawk supports VxLAN offloads only for one UDP dport. So, if the stack * adds more than one port, disable offloads and don't re-enable them again @@ -4463,7 +4695,41 @@ static netdev_features_t be_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) { - return vxlan_features_check(skb, features); + struct be_adapter *adapter = netdev_priv(dev); + u8 l4_hdr = 0; + + /* The code below restricts offload features for some tunneled packets. + * Offload features for normal (non tunnel) packets are unchanged. + */ + if (!skb->encapsulation || + !(adapter->flags & BE_FLAGS_VXLAN_OFFLOADS)) + return features; + + /* It's an encapsulated packet and VxLAN offloads are enabled. We + * should disable tunnel offload features if it's not a VxLAN packet, + * as tunnel offloads have been enabled only for VxLAN. This is done to + * allow other tunneled traffic like GRE work fine while VxLAN + * offloads are configured in Skyhawk-R. + */ + switch (vlan_get_protocol(skb)) { + case htons(ETH_P_IP): + l4_hdr = ip_hdr(skb)->protocol; + break; + case htons(ETH_P_IPV6): + l4_hdr = ipv6_hdr(skb)->nexthdr; + break; + default: + return features; + } + + if (l4_hdr != IPPROTO_UDP || + skb->inner_protocol_type != ENCAP_TYPE_ETHER || + skb->inner_protocol != htons(ETH_P_TEB) || + skb_inner_mac_header(skb) - skb_transport_header(skb) != + sizeof(struct udphdr) + sizeof(struct vxlanhdr)) + return features & ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK); + + return features; } #endif @@ -4797,6 +5063,20 @@ static void be_func_recovery_task(struct work_struct *work) msecs_to_jiffies(1000)); } +static void be_log_sfp_info(struct be_adapter *adapter) +{ + int status; + + status = be_cmd_query_sfp_info(adapter); + if (!status) { + dev_err(&adapter->pdev->dev, + "Unqualified SFP+ detected on %c from %s part no: %s", + adapter->port_name, adapter->phy.vendor_name, + adapter->phy.vendor_pn); + } + adapter->flags &= ~BE_FLAGS_EVT_INCOMPATIBLE_SFP; +} + static void be_worker(struct work_struct *work) { struct be_adapter *adapter = @@ -4835,6 +5115,9 @@ static void be_worker(struct work_struct *work) be_eqd_update(adapter); + if (adapter->flags & BE_FLAGS_EVT_INCOMPATIBLE_SFP) + be_log_sfp_info(adapter); + reschedule: adapter->work_counter++; schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); @@ -4881,12 +5164,31 @@ static inline char *func_name(struct be_adapter *adapter) return be_physfn(adapter) ? "PF" : "VF"; } +static inline char *nic_name(struct pci_dev *pdev) +{ + switch (pdev->device) { + case OC_DEVICE_ID1: + return OC_NAME; + case OC_DEVICE_ID2: + return OC_NAME_BE; + case OC_DEVICE_ID3: + case OC_DEVICE_ID4: + return OC_NAME_LANCER; + case BE_DEVICE_ID2: + return BE3_NAME; + case OC_DEVICE_ID5: + case OC_DEVICE_ID6: + return OC_NAME_SH; + default: + return BE_NAME; + } +} + static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) { - int status = 0; struct be_adapter *adapter; struct net_device *netdev; - char port_name; + int status = 0; dev_info(&pdev->dev, "%s version is %s\n", DRV_NAME, DRV_VER); @@ -4980,10 +5282,8 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) schedule_delayed_work(&adapter->func_recovery_work, msecs_to_jiffies(1000)); - be_cmd_query_port_name(adapter, &port_name); - dev_info(&pdev->dev, "%s: %s %s port %c\n", nic_name(pdev), - func_name(adapter), mc_name(adapter), port_name); + func_name(adapter), mc_name(adapter), adapter->port_name); return 0; @@ -5048,6 +5348,10 @@ static int be_resume(struct pci_dev *pdev) if (status) return status; + status = be_cmd_reset_function(adapter); + if (status) + return status; + be_intr_set(adapter, true); /* tell fw we're ready to fire cmds */ status = be_cmd_fw_init(adapter); |