diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/cmd.c | 22 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c | 15 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_tx.c | 177 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/eq.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 115 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 37 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mcg.c | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4.h | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 3 |
13 files changed, 310 insertions, 115 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 299d0184f983..ea20182c6969 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -800,7 +800,16 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, int slave, vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); } -int MLX4_CMD_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave, +static int MLX4_CMD_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave, + struct mlx4_vhcr *vhcr, + struct mlx4_cmd_mailbox *inbox, + struct mlx4_cmd_mailbox *outbox, + struct mlx4_cmd_info *cmd) +{ + return -EPERM; +} + +static int MLX4_CMD_GET_OP_REQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, @@ -1252,6 +1261,15 @@ static struct mlx4_cmd_info cmd_info[] = { .wrapper = MLX4_CMD_UPDATE_QP_wrapper }, { + .opcode = MLX4_CMD_GET_OP_REQ, + .has_inbox = false, + .has_outbox = false, + .out_is_imm = false, + .encode_slave_id = false, + .verify = NULL, + .wrapper = MLX4_CMD_GET_OP_REQ_wrapper, + }, + { .opcode = MLX4_CMD_CONF_SPECIAL_QP, .has_inbox = false, .has_outbox = false, @@ -1526,7 +1544,7 @@ static int calculate_transition(u16 oper_vlan, u16 admin_vlan) return (2 * (oper_vlan == MLX4_VGT) + (admin_vlan == MLX4_VGT)); } -int mlx4_master_immediate_activate_vlan_qos(struct mlx4_priv *priv, +static int mlx4_master_immediate_activate_vlan_qos(struct mlx4_priv *priv, int slave, int port) { struct mlx4_vport_oper_state *vp_oper; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c index 9d4a1ea030d8..b4881b686159 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c @@ -160,6 +160,7 @@ static int mlx4_en_dcbnl_ieee_setpfc(struct net_device *dev, struct ieee_pfc *pfc) { struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_en_port_profile *prof = priv->prof; struct mlx4_en_dev *mdev = priv->mdev; int err; @@ -169,15 +170,17 @@ static int mlx4_en_dcbnl_ieee_setpfc(struct net_device *dev, pfc->mbc, pfc->delay); - priv->prof->rx_pause = priv->prof->tx_pause = !!pfc->pfc_en; - priv->prof->rx_ppp = priv->prof->tx_ppp = pfc->pfc_en; + prof->rx_pause = !pfc->pfc_en; + prof->tx_pause = !pfc->pfc_en; + prof->rx_ppp = pfc->pfc_en; + prof->tx_ppp = pfc->pfc_en; err = mlx4_SET_PORT_general(mdev->dev, priv->port, priv->rx_skb_size + ETH_FCS_LEN, - priv->prof->tx_pause, - priv->prof->tx_ppp, - priv->prof->rx_pause, - priv->prof->rx_ppp); + prof->tx_pause, + prof->tx_ppp, + prof->rx_pause, + prof->rx_ppp); if (err) en_err(priv, "Failed setting pause params\n"); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index 727874f575ce..a28cd801a236 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -223,7 +223,7 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset) case ETH_SS_STATS: return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) + (priv->tx_ring_num * 2) + -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL (priv->rx_ring_num * 5); #else (priv->rx_ring_num * 2); @@ -276,7 +276,7 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev, for (i = 0; i < priv->rx_ring_num; i++) { data[index++] = priv->rx_ring[i].packets; data[index++] = priv->rx_ring[i].bytes; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL data[index++] = priv->rx_ring[i].yields; data[index++] = priv->rx_ring[i].misses; data[index++] = priv->rx_ring[i].cleaned; @@ -344,7 +344,7 @@ static void mlx4_en_get_strings(struct net_device *dev, "rx%d_packets", i); sprintf(data + (index++) * ETH_GSTRING_LEN, "rx%d_bytes", i); -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL sprintf(data + (index++) * ETH_GSTRING_LEN, "rx%d_napi_yield", i); sprintf(data + (index++) * ETH_GSTRING_LEN, diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 5eac871399d8..fa37b7a61213 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -68,7 +68,7 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up) return 0; } -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL /* must be called with local_bh_disable()d */ static int mlx4_en_low_latency_recv(struct napi_struct *napi) { @@ -94,7 +94,7 @@ static int mlx4_en_low_latency_recv(struct napi_struct *napi) return done; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ #ifdef CONFIG_RFS_ACCEL @@ -2140,7 +2140,7 @@ static const struct net_device_ops mlx4_netdev_ops = { #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = mlx4_en_filter_rfs, #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = mlx4_en_low_latency_recv, #endif }; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 7c492382da09..0698c82d6ff1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -191,6 +191,39 @@ void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv, MLX4_QP_STATE_RST, NULL, 0, 0, &ring->qp); } +static void mlx4_en_stamp_wqe(struct mlx4_en_priv *priv, + struct mlx4_en_tx_ring *ring, int index, + u8 owner) +{ + __be32 stamp = cpu_to_be32(STAMP_VAL | (!!owner << STAMP_SHIFT)); + struct mlx4_en_tx_desc *tx_desc = ring->buf + index * TXBB_SIZE; + struct mlx4_en_tx_info *tx_info = &ring->tx_info[index]; + void *end = ring->buf + ring->buf_size; + __be32 *ptr = (__be32 *)tx_desc; + int i; + + /* Optimize the common case when there are no wraparounds */ + if (likely((void *)tx_desc + tx_info->nr_txbb * TXBB_SIZE <= end)) { + /* Stamp the freed descriptor */ + for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; + i += STAMP_STRIDE) { + *ptr = stamp; + ptr += STAMP_DWORDS; + } + } else { + /* Stamp the freed descriptor */ + for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; + i += STAMP_STRIDE) { + *ptr = stamp; + ptr += STAMP_DWORDS; + if ((void *)ptr >= end) { + ptr = ring->buf; + stamp ^= cpu_to_be32(0x80000000); + } + } + } +} + static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring, @@ -205,8 +238,6 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv, void *end = ring->buf + ring->buf_size; int frags = skb_shinfo(skb)->nr_frags; int i; - __be32 *ptr = (__be32 *)tx_desc; - __be32 stamp = cpu_to_be32(STAMP_VAL | (!!owner << STAMP_SHIFT)); struct skb_shared_hwtstamps hwts; if (timestamp) { @@ -232,12 +263,6 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv, skb_frag_size(frag), PCI_DMA_TODEVICE); } } - /* Stamp the freed descriptor */ - for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) { - *ptr = stamp; - ptr += STAMP_DWORDS; - } - } else { if (!tx_info->inl) { if ((void *) data >= end) { @@ -263,16 +288,6 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv, ++data; } } - /* Stamp the freed descriptor */ - for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) { - *ptr = stamp; - ptr += STAMP_DWORDS; - if ((void *) ptr >= end) { - ptr = ring->buf; - stamp ^= cpu_to_be32(0x80000000); - } - } - } dev_kfree_skb_any(skb); return tx_info->nr_txbb; @@ -318,8 +333,9 @@ static void mlx4_en_process_tx_cq(struct net_device *dev, struct mlx4_en_cq *cq) struct mlx4_en_tx_ring *ring = &priv->tx_ring[cq->ring]; struct mlx4_cqe *cqe; u16 index; - u16 new_index, ring_index; + u16 new_index, ring_index, stamp_index; u32 txbbs_skipped = 0; + u32 txbbs_stamp = 0; u32 cons_index = mcq->cons_index; int size = cq->size; u32 size_mask = ring->size_mask; @@ -335,6 +351,7 @@ static void mlx4_en_process_tx_cq(struct net_device *dev, struct mlx4_en_cq *cq) index = cons_index & size_mask; cqe = &buf[(index << factor) + factor]; ring_index = ring->cons & size_mask; + stamp_index = ring_index; /* Process all completed CQEs */ while (XNOR(cqe->owner_sr_opcode & MLX4_CQE_OWNER_MASK, @@ -345,6 +362,15 @@ static void mlx4_en_process_tx_cq(struct net_device *dev, struct mlx4_en_cq *cq) */ rmb(); + if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == + MLX4_CQE_OPCODE_ERROR)) { + struct mlx4_err_cqe *cqe_err = (struct mlx4_err_cqe *)cqe; + + en_err(priv, "CQE error - vendor syndrome: 0x%x syndrome: 0x%x\n", + cqe_err->vendor_err_syndrome, + cqe_err->syndrome); + } + /* Skip over last polled CQE */ new_index = be16_to_cpu(cqe->wqe_index) & size_mask; @@ -359,6 +385,12 @@ static void mlx4_en_process_tx_cq(struct net_device *dev, struct mlx4_en_cq *cq) priv, ring, ring_index, !!((ring->cons + txbbs_skipped) & ring->size), timestamp); + + mlx4_en_stamp_wqe(priv, ring, stamp_index, + !!((ring->cons + txbbs_stamp) & + ring->size)); + stamp_index = ring_index; + txbbs_stamp = txbbs_skipped; packets++; bytes += ring->tx_info[ring_index].nr_bytes; } while (ring_index != new_index); @@ -556,17 +588,15 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) { struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; + struct device *ddev = priv->ddev; struct mlx4_en_tx_ring *ring; struct mlx4_en_tx_desc *tx_desc; struct mlx4_wqe_data_seg *data; - struct skb_frag_struct *frag; struct mlx4_en_tx_info *tx_info; - struct ethhdr *ethh; int tx_ind = 0; int nr_txbb; int desc_size; int real_size; - dma_addr_t dma; u32 index, bf_index; __be32 op_own; u16 vlan_tag = 0; @@ -642,6 +672,61 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) tx_info->skb = skb; tx_info->nr_txbb = nr_txbb; + if (lso_header_size) + data = ((void *)&tx_desc->lso + ALIGN(lso_header_size + 4, + DS_SIZE)); + else + data = &tx_desc->data; + + /* valid only for none inline segments */ + tx_info->data_offset = (void *)data - (void *)tx_desc; + + tx_info->linear = (lso_header_size < skb_headlen(skb) && + !is_inline(skb, NULL)) ? 1 : 0; + + data += skb_shinfo(skb)->nr_frags + tx_info->linear - 1; + + if (is_inline(skb, &fragptr)) { + tx_info->inl = 1; + } else { + /* Map fragments */ + for (i = skb_shinfo(skb)->nr_frags - 1; i >= 0; i--) { + struct skb_frag_struct *frag; + dma_addr_t dma; + + frag = &skb_shinfo(skb)->frags[i]; + dma = skb_frag_dma_map(ddev, frag, + 0, skb_frag_size(frag), + DMA_TO_DEVICE); + if (dma_mapping_error(ddev, dma)) + goto tx_drop_unmap; + + data->addr = cpu_to_be64(dma); + data->lkey = cpu_to_be32(mdev->mr.key); + wmb(); + data->byte_count = cpu_to_be32(skb_frag_size(frag)); + --data; + } + + /* Map linear part */ + if (tx_info->linear) { + u32 byte_count = skb_headlen(skb) - lso_header_size; + dma_addr_t dma; + + dma = dma_map_single(ddev, skb->data + + lso_header_size, byte_count, + PCI_DMA_TODEVICE); + if (dma_mapping_error(ddev, dma)) + goto tx_drop_unmap; + + data->addr = cpu_to_be64(dma); + data->lkey = cpu_to_be32(mdev->mr.key); + wmb(); + data->byte_count = cpu_to_be32(byte_count); + } + tx_info->inl = 0; + } + /* * For timestamping add flag to skb_shinfo and * set flag for further reference @@ -666,6 +751,8 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) } if (priv->flags & MLX4_EN_FLAG_ENABLE_HW_LOOPBACK) { + struct ethhdr *ethh; + /* Copy dst mac address to wqe. This allows loopback in eSwitch, * so that VFs and PF can communicate with each other */ @@ -688,8 +775,6 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) /* Copy headers; * note that we already verified that it is linear */ memcpy(tx_desc->lso.header, skb->data, lso_header_size); - data = ((void *) &tx_desc->lso + - ALIGN(lso_header_size + 4, DS_SIZE)); priv->port_stats.tso_packets++; i = ((skb->len - lso_header_size) / skb_shinfo(skb)->gso_size) + @@ -701,7 +786,6 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) op_own = cpu_to_be32(MLX4_OPCODE_SEND) | ((ring->prod & ring->size) ? cpu_to_be32(MLX4_EN_BIT_DESC_OWN) : 0); - data = &tx_desc->data; tx_info->nr_bytes = max_t(unsigned int, skb->len, ETH_ZLEN); ring->packets++; @@ -710,38 +794,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) netdev_tx_sent_queue(ring->tx_queue, tx_info->nr_bytes); AVG_PERF_COUNTER(priv->pstats.tx_pktsz_avg, skb->len); - - /* valid only for none inline segments */ - tx_info->data_offset = (void *) data - (void *) tx_desc; - - tx_info->linear = (lso_header_size < skb_headlen(skb) && !is_inline(skb, NULL)) ? 1 : 0; - data += skb_shinfo(skb)->nr_frags + tx_info->linear - 1; - - if (!is_inline(skb, &fragptr)) { - /* Map fragments */ - for (i = skb_shinfo(skb)->nr_frags - 1; i >= 0; i--) { - frag = &skb_shinfo(skb)->frags[i]; - dma = skb_frag_dma_map(priv->ddev, frag, - 0, skb_frag_size(frag), - DMA_TO_DEVICE); - data->addr = cpu_to_be64(dma); - data->lkey = cpu_to_be32(mdev->mr.key); - wmb(); - data->byte_count = cpu_to_be32(skb_frag_size(frag)); - --data; - } - - /* Map linear part */ - if (tx_info->linear) { - dma = dma_map_single(priv->ddev, skb->data + lso_header_size, - skb_headlen(skb) - lso_header_size, PCI_DMA_TODEVICE); - data->addr = cpu_to_be64(dma); - data->lkey = cpu_to_be32(mdev->mr.key); - wmb(); - data->byte_count = cpu_to_be32(skb_headlen(skb) - lso_header_size); - } - tx_info->inl = 0; - } else { + if (tx_info->inl) { build_inline_wqe(tx_desc, skb, real_size, &vlan_tag, tx_ind, fragptr); tx_info->inl = 1; } @@ -781,6 +834,16 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; +tx_drop_unmap: + en_err(priv, "DMA mapping error\n"); + + for (i++; i < skb_shinfo(skb)->nr_frags; i++) { + data++; + dma_unmap_page(ddev, (dma_addr_t) be64_to_cpu(data->addr), + be32_to_cpu(data->byte_count), + PCI_DMA_TODEVICE); + } + tx_drop: dev_kfree_skb_any(skb); priv->stats.tx_dropped++; diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index 7e042869ef0c..0416c5b3b35c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -79,6 +79,7 @@ enum { (1ull << MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE) | \ (1ull << MLX4_EVENT_TYPE_SRQ_LIMIT) | \ (1ull << MLX4_EVENT_TYPE_CMD) | \ + (1ull << MLX4_EVENT_TYPE_OP_REQUIRED) | \ (1ull << MLX4_EVENT_TYPE_COMM_CHANNEL) | \ (1ull << MLX4_EVENT_TYPE_FLR_EVENT) | \ (1ull << MLX4_EVENT_TYPE_FATAL_WARNING)) @@ -629,6 +630,14 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq) mlx4_warn(dev, "EQ overrun on EQN %d\n", eq->eqn); break; + case MLX4_EVENT_TYPE_OP_REQUIRED: + atomic_inc(&priv->opreq_count); + /* FW commands can't be executed from interrupt context + * working in deferred task + */ + queue_work(mlx4_wq, &priv->opreq_task); + break; + case MLX4_EVENT_TYPE_COMM_CHANNEL: if (!mlx4_is_master(dev)) { mlx4_warn(dev, "Received comm channel event " diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 8873d6802c80..0d63daa2f422 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -845,16 +845,7 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, MLX4_CMD_NATIVE); if (!err && dev->caps.function != slave) { - /* if config MAC in DB use it */ - if (priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac) - def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; - else { - /* set slave default_mac address */ - MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET); - def_mac += slave << 8; - priv->mfunc.master.vf_admin[slave].vport[vhcr->in_modifier].mac = def_mac; - } - + def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); /* get port type - currently only eth is enabled */ @@ -1705,3 +1696,107 @@ int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port) MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); } EXPORT_SYMBOL_GPL(mlx4_wol_write); + +enum { + ADD_TO_MCG = 0x26, +}; + + +void mlx4_opreq_action(struct work_struct *work) +{ + struct mlx4_priv *priv = container_of(work, struct mlx4_priv, + opreq_task); + struct mlx4_dev *dev = &priv->dev; + int num_tasks = atomic_read(&priv->opreq_count); + struct mlx4_cmd_mailbox *mailbox; + struct mlx4_mgm *mgm; + u32 *outbox; + u32 modifier; + u16 token; + u16 type_m; + u16 type; + int err; + u32 num_qps; + struct mlx4_qp qp; + int i; + u8 rem_mcg; + u8 prot; + +#define GET_OP_REQ_MODIFIER_OFFSET 0x08 +#define GET_OP_REQ_TOKEN_OFFSET 0x14 +#define GET_OP_REQ_TYPE_OFFSET 0x1a +#define GET_OP_REQ_DATA_OFFSET 0x20 + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) { + mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n"); + return; + } + outbox = mailbox->buf; + + while (num_tasks) { + err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, + MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, + MLX4_CMD_NATIVE); + if (err) { + mlx4_err(dev, "Failed to retreive required operation: %d\n", + err); + return; + } + MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET); + MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET); + MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET); + type_m = type >> 12; + type &= 0xfff; + + switch (type) { + case ADD_TO_MCG: + if (dev->caps.steering_mode == + MLX4_STEERING_MODE_DEVICE_MANAGED) { + mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n"); + err = EPERM; + break; + } + mgm = (struct mlx4_mgm *)((u8 *)(outbox) + + GET_OP_REQ_DATA_OFFSET); + num_qps = be32_to_cpu(mgm->members_count) & + MGM_QPN_MASK; + rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1; + prot = ((u8 *)(&mgm->members_count))[0] >> 6; + + for (i = 0; i < num_qps; i++) { + qp.qpn = be32_to_cpu(mgm->qp[i]); + if (rem_mcg) + err = mlx4_multicast_detach(dev, &qp, + mgm->gid, + prot, 0); + else + err = mlx4_multicast_attach(dev, &qp, + mgm->gid, + mgm->gid[5] + , 0, prot, + NULL); + if (err) + break; + } + break; + default: + mlx4_warn(dev, "Bad type for required operation\n"); + err = EINVAL; + break; + } + err = mlx4_cmd(dev, 0, ((u32) err | cpu_to_be32(token) << 16), + 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, + MLX4_CMD_NATIVE); + if (err) { + mlx4_err(dev, "Failed to acknowledge required request: %d\n", + err); + goto out; + } + memset(outbox, 0, 0xffc); + num_tasks = atomic_dec_return(&priv->opreq_count); + } + +out: + mlx4_free_cmd_mailbox(dev, mailbox); +} diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h index fdf41665a059..a0a368b7c939 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.h +++ b/drivers/net/ethernet/mellanox/mlx4/fw.h @@ -220,5 +220,6 @@ int mlx4_MAP_ICM_AUX(struct mlx4_dev *dev, struct mlx4_icm *icm); int mlx4_UNMAP_ICM_AUX(struct mlx4_dev *dev); int mlx4_NOP(struct mlx4_dev *dev); int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg); +void mlx4_opreq_action(struct work_struct *work); #endif /* MLX4_FW_H */ diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index e85af922dcdc..60c9f4f103fc 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -371,7 +371,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; - if (!enable_64b_cqe_eqe) { + if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { if (dev_cap->flags & (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); @@ -1692,11 +1692,19 @@ static int mlx4_setup_hca(struct mlx4_dev *dev) goto err_xrcd_table_free; } + if (!mlx4_is_slave(dev)) { + err = mlx4_init_mcg_table(dev); + if (err) { + mlx4_err(dev, "Failed to initialize multicast group table, aborting.\n"); + goto err_mr_table_free; + } + } + err = mlx4_init_eq_table(dev); if (err) { mlx4_err(dev, "Failed to initialize " "event queue table, aborting.\n"); - goto err_mr_table_free; + goto err_mcg_table_free; } err = mlx4_cmd_use_events(dev); @@ -1746,19 +1754,10 @@ static int mlx4_setup_hca(struct mlx4_dev *dev) goto err_srq_table_free; } - if (!mlx4_is_slave(dev)) { - err = mlx4_init_mcg_table(dev); - if (err) { - mlx4_err(dev, "Failed to initialize " - "multicast group table, aborting.\n"); - goto err_qp_table_free; - } - } - err = mlx4_init_counters_table(dev); if (err && err != -ENOENT) { mlx4_err(dev, "Failed to initialize counters table, aborting.\n"); - goto err_mcg_table_free; + goto err_qp_table_free; } if (!mlx4_is_slave(dev)) { @@ -1803,9 +1802,6 @@ static int mlx4_setup_hca(struct mlx4_dev *dev) err_counters_table_free: mlx4_cleanup_counters_table(dev); -err_mcg_table_free: - mlx4_cleanup_mcg_table(dev); - err_qp_table_free: mlx4_cleanup_qp_table(dev); @@ -1821,6 +1817,10 @@ err_cmd_poll: err_eq_table_free: mlx4_cleanup_eq_table(dev); +err_mcg_table_free: + if (!mlx4_is_slave(dev)) + mlx4_cleanup_mcg_table(dev); + err_mr_table_free: mlx4_cleanup_mr_table(dev); @@ -2197,6 +2197,9 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data) } } + atomic_set(&priv->opreq_count, 0); + INIT_WORK(&priv->opreq_task, mlx4_opreq_action); + /* * Now reset the HCA before we touch the PCI capabilities or * attempt a firmware command, since a boot ROM may have left @@ -2315,12 +2318,12 @@ err_port: mlx4_cleanup_port_info(&priv->port[port]); mlx4_cleanup_counters_table(dev); - mlx4_cleanup_mcg_table(dev); mlx4_cleanup_qp_table(dev); mlx4_cleanup_srq_table(dev); mlx4_cleanup_cq_table(dev); mlx4_cmd_use_polling(dev); mlx4_cleanup_eq_table(dev); + mlx4_cleanup_mcg_table(dev); mlx4_cleanup_mr_table(dev); mlx4_cleanup_xrcd_table(dev); mlx4_cleanup_pd_table(dev); @@ -2403,12 +2406,12 @@ static void mlx4_remove_one(struct pci_dev *pdev) RES_TR_FREE_SLAVES_ONLY); mlx4_cleanup_counters_table(dev); - mlx4_cleanup_mcg_table(dev); mlx4_cleanup_qp_table(dev); mlx4_cleanup_srq_table(dev); mlx4_cleanup_cq_table(dev); mlx4_cmd_use_polling(dev); mlx4_cleanup_eq_table(dev); + mlx4_cleanup_mcg_table(dev); mlx4_cleanup_mr_table(dev); mlx4_cleanup_xrcd_table(dev); mlx4_cleanup_pd_table(dev); diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index f3e804f2a35f..55f6245efb6c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -39,19 +39,8 @@ #include "mlx4.h" -#define MGM_QPN_MASK 0x00FFFFFF -#define MGM_BLCK_LB_BIT 30 - static const u8 zero_gid[16]; /* automatically initialized to 0 */ -struct mlx4_mgm { - __be32 next_gid_index; - __be32 members_count; - u32 reserved[2]; - u8 gid[16]; - __be32 qp[MLX4_MAX_QP_PER_MGM]; -}; - int mlx4_get_mgm_entry_size(struct mlx4_dev *dev) { return 1 << dev->oper_log_mgm_entry_size; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 17d9277e33ef..348bb8c7d9a7 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -554,6 +554,17 @@ struct mlx4_mfunc { struct mlx4_mfunc_master_ctx master; }; +#define MGM_QPN_MASK 0x00FFFFFF +#define MGM_BLCK_LB_BIT 30 + +struct mlx4_mgm { + __be32 next_gid_index; + __be32 members_count; + u32 reserved[2]; + u8 gid[16]; + __be32 qp[MLX4_MAX_QP_PER_MGM]; +}; + struct mlx4_cmd { struct pci_pool *pool; void __iomem *hcr; @@ -802,6 +813,8 @@ struct mlx4_priv { u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; __be64 slave_node_guids[MLX4_MFUNC_MAX]; + atomic_t opreq_count; + struct work_struct opreq_task; }; static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev) diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 35fb60e2320c..5e0aa569306a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -292,7 +292,7 @@ struct mlx4_en_rx_ring { void *rx_info; unsigned long bytes; unsigned long packets; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned long yields; unsigned long misses; unsigned long cleaned; @@ -318,7 +318,7 @@ struct mlx4_en_cq { struct mlx4_cqe *buf; #define MLX4_EN_OPCODE_ERROR 0x1e -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int state; #define MLX4_EN_CQ_STATE_IDLE 0 #define MLX4_EN_CQ_STATE_NAPI 1 /* NAPI owns this CQ */ @@ -329,7 +329,7 @@ struct mlx4_en_cq { #define CQ_YIELD (MLX4_EN_CQ_STATE_NAPI_YIELD | MLX4_EN_CQ_STATE_POLL_YIELD) #define CQ_USER_PEND (MLX4_EN_CQ_STATE_POLL | MLX4_EN_CQ_STATE_POLL_YIELD) spinlock_t poll_lock; /* protects from LLS/napi conflicts */ -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ }; struct mlx4_en_port_profile { @@ -580,7 +580,7 @@ struct mlx4_mac_entry { struct rcu_head rcu; }; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL static inline void mlx4_en_cq_init_lock(struct mlx4_en_cq *cq) { spin_lock_init(&cq->poll_lock); @@ -687,7 +687,7 @@ static inline bool mlx4_en_cq_ll_polling(struct mlx4_en_cq *cq) { return false; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ #define MLX4_EN_WOL_DO_MODIFY (1ULL << 63) diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index f984a89c27df..dd6876321116 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -1909,7 +1909,8 @@ static int qp_get_mtt_size(struct mlx4_qp_context *qpc) int log_rq_stride = qpc->rq_size_stride & 7; int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; - int xrc = (be32_to_cpu(qpc->local_qpn) >> 23) & 1; + u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; + int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0; int sq_size; int rq_size; int total_pages; |