diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 57 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_main.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 35 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_rx.c | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_selftest.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_tx.c | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 28 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mcg.c | 279 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 32 |
11 files changed, 337 insertions, 138 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index 68d763d2d030..e22f24f784fc 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -98,6 +98,10 @@ mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) drvinfo->eedump_len = 0; } +static const char mlx4_en_priv_flags[][ETH_GSTRING_LEN] = { + "blueflame", +}; + static const char main_strings[][ETH_GSTRING_LEN] = { "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", @@ -235,6 +239,8 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset) case ETH_SS_TEST: return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2; + case ETH_SS_PRIV_FLAGS: + return ARRAY_SIZE(mlx4_en_priv_flags); default: return -EOPNOTSUPP; } @@ -358,6 +364,12 @@ static void mlx4_en_get_strings(struct net_device *dev, #endif } break; + case ETH_SS_PRIV_FLAGS: + for (i = 0; i < ARRAY_SIZE(mlx4_en_priv_flags); i++) + strcpy(data + i * ETH_GSTRING_LEN, + mlx4_en_priv_flags[i]); + break; + } } @@ -1209,6 +1221,49 @@ static int mlx4_en_get_ts_info(struct net_device *dev, return ret; } +static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME); + bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME); + int i; + + if (bf_enabled_new == bf_enabled_old) + return 0; /* Nothing to do */ + + if (bf_enabled_new) { + bool bf_supported = true; + + for (i = 0; i < priv->tx_ring_num; i++) + bf_supported &= priv->tx_ring[i]->bf_alloced; + + if (!bf_supported) { + en_err(priv, "BlueFlame is not supported\n"); + return -EINVAL; + } + + priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME; + } else { + priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME; + } + + for (i = 0; i < priv->tx_ring_num; i++) + priv->tx_ring[i]->bf_enabled = bf_enabled_new; + + en_info(priv, "BlueFlame %s\n", + bf_enabled_new ? "Enabled" : "Disabled"); + + return 0; +} + +static u32 mlx4_en_get_priv_flags(struct net_device *dev) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + + return priv->pflags; +} + + const struct ethtool_ops mlx4_en_ethtool_ops = { .get_drvinfo = mlx4_en_get_drvinfo, .get_settings = mlx4_en_get_settings, @@ -1236,6 +1291,8 @@ const struct ethtool_ops mlx4_en_ethtool_ops = { .get_channels = mlx4_en_get_channels, .set_channels = mlx4_en_set_channels, .get_ts_info = mlx4_en_get_ts_info, + .set_priv_flags = mlx4_en_set_priv_flags, + .get_priv_flags = mlx4_en_get_priv_flags, }; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c index f953c1d7eae6..3626fdf4cb5d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c @@ -129,8 +129,10 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev) int i; params->udp_rss = udp_rss; - params->num_tx_rings_p_up = min_t(int, num_online_cpus(), - MLX4_EN_MAX_TX_RING_P_UP); + params->num_tx_rings_p_up = mlx4_low_memory_profile() ? + MLX4_EN_MIN_TX_RING_P_UP : + min_t(int, num_online_cpus(), MLX4_EN_MAX_TX_RING_P_UP); + if (params->udp_rss && !(mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UDP_RSS)) { mlx4_warn(mdev, "UDP RSS is not supported on this device\n"); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 7345c43b019e..bb536aa613f4 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -644,6 +644,7 @@ static int mlx4_en_get_qp(struct mlx4_en_priv *priv) goto alloc_err; } memcpy(entry->mac, priv->dev->dev_addr, sizeof(entry->mac)); + memcpy(priv->current_mac, entry->mac, sizeof(priv->current_mac)); entry->reg_id = reg_id; hlist_add_head_rcu(&entry->hlist, @@ -760,21 +761,22 @@ static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn, return __mlx4_replace_mac(dev, priv->port, qpn, new_mac_u64); } -static int mlx4_en_do_set_mac(struct mlx4_en_priv *priv) +static int mlx4_en_do_set_mac(struct mlx4_en_priv *priv, + unsigned char new_mac[ETH_ALEN + 2]) { int err = 0; if (priv->port_up) { /* Remove old MAC and insert the new one */ err = mlx4_en_replace_mac(priv, priv->base_qpn, - priv->dev->dev_addr, priv->prev_mac); + new_mac, priv->current_mac); if (err) en_err(priv, "Failed changing HW MAC address\n"); } else en_dbg(HW, priv, "Port is down while registering mac, exiting...\n"); - memcpy(priv->prev_mac, priv->dev->dev_addr, - sizeof(priv->prev_mac)); + if (!err) + memcpy(priv->current_mac, new_mac, sizeof(priv->current_mac)); return err; } @@ -784,14 +786,17 @@ static int mlx4_en_set_mac(struct net_device *dev, void *addr) struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; struct sockaddr *saddr = addr; + unsigned char new_mac[ETH_ALEN + 2]; int err; if (!is_valid_ether_addr(saddr->sa_data)) return -EADDRNOTAVAIL; mutex_lock(&mdev->state_lock); - memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN); - err = mlx4_en_do_set_mac(priv); + memcpy(new_mac, saddr->sa_data, ETH_ALEN); + err = mlx4_en_do_set_mac(priv, new_mac); + if (!err) + memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN); mutex_unlock(&mdev->state_lock); return err; @@ -940,11 +945,6 @@ static void mlx4_en_set_promisc_mode(struct mlx4_en_priv *priv, 0, MLX4_MCAST_DISABLE); if (err) en_err(priv, "Failed disabling multicast filter\n"); - - /* Disable port VLAN filter */ - err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); - if (err) - en_err(priv, "Failed disabling VLAN filter\n"); } } @@ -993,11 +993,6 @@ static void mlx4_en_clear_promisc_mode(struct mlx4_en_priv *priv, en_err(priv, "Failed disabling promiscuous mode\n"); break; } - - /* Enable port VLAN filter */ - err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); - if (err) - en_err(priv, "Failed enabling VLAN filter\n"); } static void mlx4_en_do_multicast(struct mlx4_en_priv *priv, @@ -1166,7 +1161,8 @@ static void mlx4_en_do_uc_filter(struct mlx4_en_priv *priv, } /* MAC address of the port is not in uc list */ - if (ether_addr_equal_64bits(entry->mac, dev->dev_addr)) + if (ether_addr_equal_64bits(entry->mac, + priv->current_mac)) found = true; if (!found) { @@ -1476,7 +1472,7 @@ static void mlx4_en_do_get_stats(struct work_struct *work) queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); } if (mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port]) { - mlx4_en_do_set_mac(priv); + mlx4_en_do_set_mac(priv, priv->current_mac); mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port] = 0; } mutex_unlock(&mdev->state_lock); @@ -2469,6 +2465,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, priv->port = port; priv->port_up = false; priv->flags = prof->flags; + priv->pflags = MLX4_EN_PRIV_FLAGS_BLUEFLAME; priv->ctrl_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE | MLX4_WQE_CTRL_SOLICITED); priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up; @@ -2535,7 +2532,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, } } - memcpy(priv->prev_mac, dev->dev_addr, sizeof(priv->prev_mac)); + memcpy(priv->current_mac, dev->dev_addr, sizeof(priv->current_mac)); priv->stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) + DS_SIZE * MLX4_EN_MAX_RX_FRAGS); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 5535862f27cc..9c909d23f14c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -335,8 +335,9 @@ void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev) dev->caps.comp_pool/ dev->caps.num_ports) - 1; - num_rx_rings = min_t(int, num_of_eqs, - netif_get_num_default_rss_queues()); + num_rx_rings = mlx4_low_memory_profile() ? MIN_RX_RINGS : + min_t(int, num_of_eqs, + netif_get_num_default_rss_queues()); mdev->profile.prof[i].rx_ring_num = rounddown_pow_of_two(num_rx_rings); } @@ -933,7 +934,7 @@ static const int frag_sizes[] = { void mlx4_en_calc_rx_buf(struct net_device *dev) { struct mlx4_en_priv *priv = netdev_priv(dev); - int eff_mtu = dev->mtu + ETH_HLEN + VLAN_HLEN + ETH_LLC_SNAP_SIZE; + int eff_mtu = dev->mtu + ETH_HLEN + VLAN_HLEN; int buf_size = 0; int i = 0; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c index 03e5f6ac67e7..49d5afc7cfb8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c @@ -159,7 +159,8 @@ void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf) if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) { buf[3] = mlx4_en_test_registers(priv); - buf[4] = mlx4_en_test_loopback(priv); + if (priv->port_up) + buf[4] = mlx4_en_test_loopback(priv); } if (carrier_ok) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 5045bab59633..dae3da6d8dd0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -126,8 +126,13 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, ring->bf.uar = &mdev->priv_uar; ring->bf.uar->map = mdev->uar_map; ring->bf_enabled = false; - } else - ring->bf_enabled = true; + ring->bf_alloced = false; + priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME; + } else { + ring->bf_alloced = true; + ring->bf_enabled = !!(priv->pflags & + MLX4_EN_PRIV_FLAGS_BLUEFLAME); + } ring->hwtstamp_tx_type = priv->hwtstamp_config.tx_type; ring->queue_index = queue_index; @@ -161,7 +166,7 @@ void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring = *pring; en_dbg(DRV, priv, "Destroying tx ring, qpn: %d\n", ring->qpn); - if (ring->bf_enabled) + if (ring->bf_alloced) mlx4_bf_free(mdev->dev, &ring->bf); mlx4_qp_remove(mdev->dev, &ring->qp); mlx4_qp_free(mdev->dev, &ring->qp); @@ -195,7 +200,7 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv, mlx4_en_fill_qp_context(priv, ring->size, ring->stride, 1, 0, ring->qpn, ring->cqn, user_prio, &ring->context); - if (ring->bf_enabled) + if (ring->bf_alloced) ring->context.usr_page = cpu_to_be32(ring->bf.uar->index); err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, &ring->context, diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 82ab427290c3..80b8c5f30e4e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -120,6 +120,16 @@ static struct mlx4_profile default_profile = { .num_mtt = 1 << 20, /* It is really num mtt segements */ }; +static struct mlx4_profile low_mem_profile = { + .num_qp = 1 << 17, + .num_srq = 1 << 6, + .rdmarc_per_qp = 1 << 4, + .num_cq = 1 << 8, + .num_mcg = 1 << 8, + .num_mpt = 1 << 9, + .num_mtt = 1 << 7, +}; + static int log_num_mac = 7; module_param_named(log_num_mac, log_num_mac, int, 0444); MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); @@ -129,6 +139,8 @@ module_param_named(log_num_vlan, log_num_vlan, int, 0444); MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); /* Log2 max number of VLANs per ETH port (0-7) */ #define MLX4_LOG_NUM_VLANS 7 +#define MLX4_MIN_LOG_NUM_VLANS 0 +#define MLX4_MIN_LOG_NUM_MAC 1 static bool use_prio; module_param_named(use_prio, use_prio, bool, 0444); @@ -287,8 +299,13 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) if (mlx4_is_mfunc(dev)) dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; - dev->caps.log_num_macs = log_num_mac; - dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; + if (mlx4_low_memory_profile()) { + dev->caps.log_num_macs = MLX4_MIN_LOG_NUM_MAC; + dev->caps.log_num_vlans = MLX4_MIN_LOG_NUM_VLANS; + } else { + dev->caps.log_num_macs = log_num_mac; + dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; + } for (i = 1; i <= dev->caps.num_ports; ++i) { dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; @@ -1587,7 +1604,12 @@ static int mlx4_init_hca(struct mlx4_dev *dev) if (mlx4_is_master(dev)) mlx4_parav_master_pf_caps(dev); - profile = default_profile; + if (mlx4_low_memory_profile()) { + mlx4_info(dev, "Running from within kdump kernel. Using low memory profile\n"); + profile = low_mem_profile; + } else { + profile = default_profile; + } if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) profile.num_mcg = MLX4_FS_NUM_MCG; diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index 4c36def8e10f..d80e7a6fac74 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -270,7 +270,7 @@ static int existing_steering_entry(struct mlx4_dev *dev, u8 port, * we need to add it as a duplicate to this entry * for future references */ list_for_each_entry(dqp, &entry->duplicates, list) { - if (qpn == pqp->qpn) + if (qpn == dqp->qpn) return 0; /* qp is already duplicated */ } @@ -324,24 +324,22 @@ static bool check_duplicate_entry(struct mlx4_dev *dev, u8 port, return true; } -/* I a steering entry contains only promisc QPs, it can be removed. */ -static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port, - enum mlx4_steer_type steer, - unsigned int index, u32 tqpn) +/* Returns true if all the QPs != tqpn contained in this entry + * are Promisc QPs. Returns false otherwise. + */ +static bool promisc_steering_entry(struct mlx4_dev *dev, u8 port, + enum mlx4_steer_type steer, + unsigned int index, u32 tqpn, + u32 *members_count) { - struct mlx4_steer *s_steer; struct mlx4_cmd_mailbox *mailbox; struct mlx4_mgm *mgm; - struct mlx4_steer_index *entry = NULL, *tmp_entry; - u32 qpn; - u32 members_count; + u32 m_count; bool ret = false; int i; if (port < 1 || port > dev->caps.num_ports) - return NULL; - - s_steer = &mlx4_priv(dev)->steer[port - 1]; + return false; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) @@ -350,21 +348,61 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port, if (mlx4_READ_ENTRY(dev, index, mailbox)) goto out; - members_count = be32_to_cpu(mgm->members_count) & 0xffffff; - for (i = 0; i < members_count; i++) { - qpn = be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK; + m_count = be32_to_cpu(mgm->members_count) & 0xffffff; + if (members_count) + *members_count = m_count; + + for (i = 0; i < m_count; i++) { + u32 qpn = be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK; if (!get_promisc_qp(dev, port, steer, qpn) && qpn != tqpn) { /* the qp is not promisc, the entry can't be removed */ goto out; } } - /* All the qps currently registered for this entry are promiscuous, + ret = true; +out: + mlx4_free_cmd_mailbox(dev, mailbox); + return ret; +} + +/* IF a steering entry contains only promisc QPs, it can be removed. */ +static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port, + enum mlx4_steer_type steer, + unsigned int index, u32 tqpn) +{ + struct mlx4_steer *s_steer; + struct mlx4_steer_index *entry = NULL, *tmp_entry; + u32 members_count; + bool ret = false; + + if (port < 1 || port > dev->caps.num_ports) + return NULL; + + s_steer = &mlx4_priv(dev)->steer[port - 1]; + + if (!promisc_steering_entry(dev, port, steer, index, + tqpn, &members_count)) + goto out; + + /* All the qps currently registered for this entry are promiscuous, * Checking for duplicates */ ret = true; list_for_each_entry_safe(entry, tmp_entry, &s_steer->steer_entries[steer], list) { if (entry->index == index) { - if (list_empty(&entry->duplicates)) { + if (list_empty(&entry->duplicates) || + members_count == 1) { + struct mlx4_promisc_qp *pqp, *tmp_pqp; + /* If there is only 1 entry in duplicates then + * this is the QP we want to delete, going over + * the list and deleting the entry. + */ list_del(&entry->list); + list_for_each_entry_safe(pqp, tmp_pqp, + &entry->duplicates, + list) { + list_del(&pqp->list); + kfree(pqp); + } kfree(entry); } else { /* This entry contains duplicates so it shouldn't be removed */ @@ -375,7 +413,6 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port, } out: - mlx4_free_cmd_mailbox(dev, mailbox); return ret; } @@ -421,42 +458,57 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port, } mgm = mailbox->buf; - /* the promisc qp needs to be added for each one of the steering - * entries, if it already exists, needs to be added as a duplicate - * for this entry */ - list_for_each_entry(entry, &s_steer->steer_entries[steer], list) { - err = mlx4_READ_ENTRY(dev, entry->index, mailbox); - if (err) - goto out_mailbox; + if (!(mlx4_is_mfunc(dev) && steer == MLX4_UC_STEER)) { + /* The promisc QP needs to be added for each one of the steering + * entries. If it already exists, needs to be added as + * a duplicate for this entry. + */ + list_for_each_entry(entry, + &s_steer->steer_entries[steer], + list) { + err = mlx4_READ_ENTRY(dev, entry->index, mailbox); + if (err) + goto out_mailbox; - members_count = be32_to_cpu(mgm->members_count) & 0xffffff; - prot = be32_to_cpu(mgm->members_count) >> 30; - found = false; - for (i = 0; i < members_count; i++) { - if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qpn) { - /* Entry already exists, add to duplicates */ - dqp = kmalloc(sizeof *dqp, GFP_KERNEL); - if (!dqp) { + members_count = be32_to_cpu(mgm->members_count) & + 0xffffff; + prot = be32_to_cpu(mgm->members_count) >> 30; + found = false; + for (i = 0; i < members_count; i++) { + if ((be32_to_cpu(mgm->qp[i]) & + MGM_QPN_MASK) == qpn) { + /* Entry already exists. + * Add to duplicates. + */ + dqp = kmalloc(sizeof(*dqp), GFP_KERNEL); + if (!dqp) { + err = -ENOMEM; + goto out_mailbox; + } + dqp->qpn = qpn; + list_add_tail(&dqp->list, + &entry->duplicates); + found = true; + } + } + if (!found) { + /* Need to add the qpn to mgm */ + if (members_count == + dev->caps.num_qp_per_mgm) { + /* entry is full */ err = -ENOMEM; goto out_mailbox; } - dqp->qpn = qpn; - list_add_tail(&dqp->list, &entry->duplicates); - found = true; - } - } - if (!found) { - /* Need to add the qpn to mgm */ - if (members_count == dev->caps.num_qp_per_mgm) { - /* entry is full */ - err = -ENOMEM; - goto out_mailbox; + mgm->qp[members_count++] = + cpu_to_be32(qpn & MGM_QPN_MASK); + mgm->members_count = + cpu_to_be32(members_count | + (prot << 30)); + err = mlx4_WRITE_ENTRY(dev, entry->index, + mailbox); + if (err) + goto out_mailbox; } - mgm->qp[members_count++] = cpu_to_be32(qpn & MGM_QPN_MASK); - mgm->members_count = cpu_to_be32(members_count | (prot << 30)); - err = mlx4_WRITE_ENTRY(dev, entry->index, mailbox); - if (err) - goto out_mailbox; } } @@ -465,8 +517,14 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port, /* now need to add all the promisc qps to default entry */ memset(mgm, 0, sizeof *mgm); members_count = 0; - list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list) + list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list) { + if (members_count == dev->caps.num_qp_per_mgm) { + /* entry is full */ + err = -ENOMEM; + goto out_list; + } mgm->qp[members_count++] = cpu_to_be32(dqp->qpn & MGM_QPN_MASK); + } mgm->members_count = cpu_to_be32(members_count | MLX4_PROT_ETH << 30); err = mlx4_WRITE_PROMISC(dev, port, steer, mailbox); @@ -495,13 +553,13 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 port, struct mlx4_steer *s_steer; struct mlx4_cmd_mailbox *mailbox; struct mlx4_mgm *mgm; - struct mlx4_steer_index *entry; + struct mlx4_steer_index *entry, *tmp_entry; struct mlx4_promisc_qp *pqp; struct mlx4_promisc_qp *dqp; u32 members_count; bool found; bool back_to_list = false; - int loc, i; + int i; int err; if (port < 1 || port > dev->caps.num_ports) @@ -538,39 +596,73 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 port, if (err) goto out_mailbox; - /* remove the qp from all the steering entries*/ - list_for_each_entry(entry, &s_steer->steer_entries[steer], list) { - found = false; - list_for_each_entry(dqp, &entry->duplicates, list) { - if (dqp->qpn == qpn) { - found = true; - break; + if (!(mlx4_is_mfunc(dev) && steer == MLX4_UC_STEER)) { + /* Remove the QP from all the steering entries */ + list_for_each_entry_safe(entry, tmp_entry, + &s_steer->steer_entries[steer], + list) { + found = false; + list_for_each_entry(dqp, &entry->duplicates, list) { + if (dqp->qpn == qpn) { + found = true; + break; + } } - } - if (found) { - /* a duplicate, no need to change the mgm, - * only update the duplicates list */ - list_del(&dqp->list); - kfree(dqp); - } else { - err = mlx4_READ_ENTRY(dev, entry->index, mailbox); - if (err) - goto out_mailbox; - members_count = be32_to_cpu(mgm->members_count) & 0xffffff; - for (loc = -1, i = 0; i < members_count; ++i) - if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qpn) - loc = i; - - mgm->members_count = cpu_to_be32(--members_count | - (MLX4_PROT_ETH << 30)); - mgm->qp[loc] = mgm->qp[i - 1]; - mgm->qp[i - 1] = 0; + if (found) { + /* A duplicate, no need to change the MGM, + * only update the duplicates list + */ + list_del(&dqp->list); + kfree(dqp); + } else { + int loc = -1; + + err = mlx4_READ_ENTRY(dev, + entry->index, + mailbox); + if (err) + goto out_mailbox; + members_count = + be32_to_cpu(mgm->members_count) & + 0xffffff; + if (!members_count) { + mlx4_warn(dev, "QP %06x wasn't found in entry %x mcount=0. deleting entry...\n", + qpn, entry->index); + list_del(&entry->list); + kfree(entry); + continue; + } - err = mlx4_WRITE_ENTRY(dev, entry->index, mailbox); - if (err) + for (i = 0; i < members_count; ++i) + if ((be32_to_cpu(mgm->qp[i]) & + MGM_QPN_MASK) == qpn) { + loc = i; + break; + } + + if (loc < 0) { + mlx4_err(dev, "QP %06x wasn't found in entry %d\n", + qpn, entry->index); + err = -EINVAL; goto out_mailbox; - } + } + /* Copy the last QP in this MGM + * over removed QP + */ + mgm->qp[loc] = mgm->qp[members_count - 1]; + mgm->qp[members_count - 1] = 0; + mgm->members_count = + cpu_to_be32(--members_count | + (MLX4_PROT_ETH << 30)); + + err = mlx4_WRITE_ENTRY(dev, + entry->index, + mailbox); + if (err) + goto out_mailbox; + } + } } out_mailbox: @@ -1062,7 +1154,7 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], struct mlx4_mgm *mgm; u32 members_count; int prev, index; - int i, loc; + int i, loc = -1; int err; u8 port = gid[5]; bool removed_entry = false; @@ -1085,15 +1177,20 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], goto out; } - /* if this pq is also a promisc qp, it shouldn't be removed */ + /* If this QP is also a promisc QP, it shouldn't be removed only if + * at least one none promisc QP is also attached to this MCG + */ if (prot == MLX4_PROT_ETH && - check_duplicate_entry(dev, port, steer, index, qp->qpn)) - goto out; + check_duplicate_entry(dev, port, steer, index, qp->qpn) && + !promisc_steering_entry(dev, port, steer, index, qp->qpn, NULL)) + goto out; members_count = be32_to_cpu(mgm->members_count) & 0xffffff; - for (loc = -1, i = 0; i < members_count; ++i) - if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qp->qpn) + for (i = 0; i < members_count; ++i) + if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qp->qpn) { loc = i; + break; + } if (loc == -1) { mlx4_err(dev, "QP %06x not found in MGM\n", qp->qpn); @@ -1101,15 +1198,15 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], goto out; } - + /* copy the last QP in this MGM over removed QP */ + mgm->qp[loc] = mgm->qp[members_count - 1]; + mgm->qp[members_count - 1] = 0; mgm->members_count = cpu_to_be32(--members_count | (u32) prot << 30); - mgm->qp[loc] = mgm->qp[i - 1]; - mgm->qp[i - 1] = 0; if (prot == MLX4_PROT_ETH) removed_entry = can_remove_steering_entry(dev, port, steer, index, qp->qpn); - if (i != 1 && (prot != MLX4_PROT_ETH || !removed_entry)) { + if (members_count && (prot != MLX4_PROT_ETH || !removed_entry)) { err = mlx4_WRITE_ENTRY(dev, index, mailbox); goto out; } diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 1d8af7336807..13fbcd03c3e4 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -62,11 +62,6 @@ #define INIT_HCA_TPT_MW_ENABLE (1 << 7) -#define MLX4_NUM_UP 8 -#define MLX4_NUM_TC 8 -#define MLX4_RATELIMIT_UNITS 3 /* 100 Mbps */ -#define MLX4_RATELIMIT_DEFAULT 0xffff - struct mlx4_set_port_prio2tc_context { u8 prio2tc[4]; }; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index d72a5a894fc6..3de41be49425 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -93,6 +93,8 @@ * OS related constants and tunables */ +#define MLX4_EN_PRIV_FLAGS_BLUEFLAME 1 + #define MLX4_EN_WATCHDOG_TIMEOUT (15 * HZ) /* Use the maximum between 16384 and a single page */ @@ -119,6 +121,7 @@ enum { #define MLX4_EN_MIN_TX_SIZE (4096 / TXBB_SIZE) #define MLX4_EN_SMALL_PKT_SIZE 64 +#define MLX4_EN_MIN_TX_RING_P_UP 1 #define MLX4_EN_MAX_TX_RING_P_UP 32 #define MLX4_EN_NUM_UP 8 #define MLX4_EN_DEF_TX_RING_SIZE 512 @@ -154,8 +157,6 @@ enum { #define MLX4_EN_TX_POLL_MODER 16 #define MLX4_EN_TX_POLL_TIMEOUT (HZ / 4) -#define ETH_LLC_SNAP_SIZE 8 - #define SMALL_PACKET_SIZE (256 - NET_IP_ALIGN) #define HEADER_COPY_SIZE (128 - NET_IP_ALIGN) #define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN) @@ -280,6 +281,7 @@ struct mlx4_en_tx_ring { unsigned long wake_queue; struct mlx4_bf bf; bool bf_enabled; + bool bf_alloced; struct netdev_queue *tx_queue; int hwtstamp_tx_type; int inline_thold; @@ -535,7 +537,7 @@ struct mlx4_en_priv { int registered; int allocated; int stride; - unsigned char prev_mac[ETH_ALEN + 2]; + unsigned char current_mac[ETH_ALEN + 2]; int mac_index; unsigned max_mtu; int base_qpn; @@ -594,6 +596,8 @@ struct mlx4_en_priv { #endif u64 tunnel_reg_id; __be16 vxlan_port; + + u32 pflags; }; enum mlx4_en_wol { diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 7ab97174886d..9ba0c1ca10d5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -244,10 +244,16 @@ EXPORT_SYMBOL_GPL(mlx4_get_base_qpn); void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac) { - struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; - struct mlx4_mac_table *table = &info->mac_table; + struct mlx4_port_info *info; + struct mlx4_mac_table *table; int index; + if (port < 1 || port > dev->caps.num_ports) { + mlx4_warn(dev, "invalid port number (%d), aborting...\n", port); + return; + } + info = &mlx4_priv(dev)->port[port]; + table = &info->mac_table; mutex_lock(&table->mutex); index = find_index(dev, table, mac); @@ -1051,14 +1057,26 @@ int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw, for (i = 0; i < MLX4_NUM_TC; i++) { struct mlx4_port_scheduler_tc_cfg_be *tc = &context->tc[i]; - u16 r = ratelimit && ratelimit[i] ? ratelimit[i] : - MLX4_RATELIMIT_DEFAULT; + u16 r; + + if (ratelimit && ratelimit[i]) { + if (ratelimit[i] <= MLX4_MAX_100M_UNITS_VAL) { + r = ratelimit[i]; + tc->max_bw_units = + htons(MLX4_RATELIMIT_100M_UNITS); + } else { + r = ratelimit[i]/10; + tc->max_bw_units = + htons(MLX4_RATELIMIT_1G_UNITS); + } + tc->max_bw_value = htons(r); + } else { + tc->max_bw_value = htons(MLX4_RATELIMIT_DEFAULT); + tc->max_bw_units = htons(MLX4_RATELIMIT_1G_UNITS); + } tc->pg = htons(pg[i]); tc->bw_precentage = htons(tc_tx_bw[i]); - - tc->max_bw_units = htons(MLX4_RATELIMIT_UNITS); - tc->max_bw_value = htons(r); } in_mod = MLX4_SET_PORT_SCHEDULER << 8 | port; |
