/* * Copyright (c) 2007, 2014 Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * */ #include #include #include #include #ifdef CONFIG_NET_RX_BUSY_POLL #include #endif #include #include #include #include #include #include #include #include #include #include "en.h" #include "en_port.h" DEBUGNET_DEFINE(mlx4_en); static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv); static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv); #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) { struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi); struct ifnet *dev = cq->dev; struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_rx_ring *rx_ring = priv->rx_ring[cq->ring]; int done; if (!priv->port_up) return LL_FLUSH_FAILED; if (!mlx4_en_cq_lock_poll(cq)) return LL_FLUSH_BUSY; done = mlx4_en_process_rx_cq(dev, cq, 4); #ifdef LL_EXTENDED_STATS if (likely(done)) rx_ring->cleaned += done; else rx_ring->misses++; #endif mlx4_en_cq_unlock_poll(cq); return done; } #endif /* CONFIG_NET_RX_BUSY_POLL */ #ifdef CONFIG_RFS_ACCEL struct mlx4_en_filter { struct list_head next; struct work_struct work; u8 ip_proto; __be32 src_ip; __be32 dst_ip; __be16 src_port; __be16 dst_port; int rxq_index; struct mlx4_en_priv *priv; u32 flow_id; /* RFS infrastructure id */ int id; /* mlx4_en driver id */ u64 reg_id; /* Flow steering API id */ u8 activated; /* Used to prevent expiry before filter * is attached */ struct hlist_node filter_chain; }; static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv); static enum mlx4_net_trans_rule_id mlx4_ip_proto_to_trans_rule_id(u8 ip_proto) { switch (ip_proto) { case IPPROTO_UDP: return MLX4_NET_TRANS_RULE_ID_UDP; case IPPROTO_TCP: return MLX4_NET_TRANS_RULE_ID_TCP; default: return MLX4_NET_TRANS_RULE_NUM; } }; static void mlx4_en_filter_work(struct work_struct *work) { struct mlx4_en_filter *filter = container_of(work, struct mlx4_en_filter, work); struct mlx4_en_priv *priv = filter->priv; struct mlx4_spec_list spec_tcp_udp = { .id = mlx4_ip_proto_to_trans_rule_id(filter->ip_proto), { .tcp_udp = { .dst_port = filter->dst_port, .dst_port_msk = (__force __be16)-1, .src_port = filter->src_port, .src_port_msk = (__force __be16)-1, }, }, }; struct mlx4_spec_list spec_ip = { .id = MLX4_NET_TRANS_RULE_ID_IPV4, { .ipv4 = { .dst_ip = filter->dst_ip, .dst_ip_msk = (__force __be32)-1, .src_ip = filter->src_ip, .src_ip_msk = (__force __be32)-1, }, }, }; struct mlx4_spec_list spec_eth = { .id = MLX4_NET_TRANS_RULE_ID_ETH, }; struct mlx4_net_trans_rule rule = { .list = LIST_HEAD_INIT(rule.list), .queue_mode = MLX4_NET_TRANS_Q_LIFO, .exclusive = 1, .allow_loopback = 1, .promisc_mode = MLX4_FS_REGULAR, .port = priv->port, .priority = MLX4_DOMAIN_RFS, }; int rc; __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); if (spec_tcp_udp.id >= MLX4_NET_TRANS_RULE_NUM) { en_warn(priv, "RFS: ignoring unsupported ip protocol (%d)\n", filter->ip_proto); goto ignore; } list_add_tail(&spec_eth.list, &rule.list); list_add_tail(&spec_ip.list, &rule.list); list_add_tail(&spec_tcp_udp.list, &rule.list); rule.qpn = priv->rss_map.qps[filter->rxq_index].qpn; memcpy(spec_eth.eth.dst_mac, priv->dev->dev_addr, ETH_ALEN); memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); filter->activated = 0; if (filter->reg_id) { rc = mlx4_flow_detach(priv->mdev->dev, filter->reg_id); if (rc && rc != -ENOENT) en_err(priv, "Error detaching flow. rc = %d\n", rc); } rc = mlx4_flow_attach(priv->mdev->dev, &rule, &filter->reg_id); if (rc) en_err(priv, "Error attaching flow. err = %d\n", rc); ignore: mlx4_en_filter_rfs_expire(priv); filter->activated = 1; } static inline struct hlist_head * filter_hash_bucket(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip, __be16 src_port, __be16 dst_port) { unsigned long l; int bucket_idx; l = (__force unsigned long)src_port | ((__force unsigned long)dst_port << 2); l ^= (__force unsigned long)(src_ip ^ dst_ip); bucket_idx = hash_long(l, MLX4_EN_FILTER_HASH_SHIFT); return &priv->filter_hash[bucket_idx]; } static struct mlx4_en_filter * mlx4_en_filter_alloc(struct mlx4_en_priv *priv, int rxq_index, __be32 src_ip, __be32 dst_ip, u8 ip_proto, __be16 src_port, __be16 dst_port, u32 flow_id) { struct mlx4_en_filter *filter = NULL; filter = kzalloc(sizeof(struct mlx4_en_filter), GFP_ATOMIC); if (!filter) return NULL; filter->priv = priv; filter->rxq_index = rxq_index; INIT_WORK(&filter->work, mlx4_en_filter_work); filter->src_ip = src_ip; filter->dst_ip = dst_ip; filter->ip_proto = ip_proto; filter->src_port = src_port; filter->dst_port = dst_port; filter->flow_id = flow_id; filter->id = priv->last_filter_id++ % RPS_NO_FILTER; list_add_tail(&filter->next, &priv->filters); hlist_add_head(&filter->filter_chain, filter_hash_bucket(priv, src_ip, dst_ip, src_port, dst_port)); return filter; } static void mlx4_en_filter_free(struct mlx4_en_filter *filter) { struct mlx4_en_priv *priv = filter->priv; int rc; list_del(&filter->next); rc = mlx4_flow_detach(priv->mdev->dev, filter->reg_id); if (rc && rc != -ENOENT) en_err(priv, "Error detaching flow. rc = %d\n", rc); kfree(filter); } static inline struct mlx4_en_filter * mlx4_en_filter_find(struct mlx4_en_priv *priv, __be32 src_ip, __be32 dst_ip, u8 ip_proto, __be16 src_port, __be16 dst_port) { struct mlx4_en_filter *filter; struct mlx4_en_filter *ret = NULL; hlist_for_each_entry(filter, filter_hash_bucket(priv, src_ip, dst_ip, src_port, dst_port), filter_chain) { if (filter->src_ip == src_ip && filter->dst_ip == dst_ip && filter->ip_proto == ip_proto && filter->src_port == src_port && filter->dst_port == dst_port) { ret = filter; break; } } return ret; } static int mlx4_en_filter_rfs(struct ifnet *net_dev, const struct sk_buff *skb, u16 rxq_index, u32 flow_id) { struct mlx4_en_priv *priv = mlx4_netdev_priv(net_dev); struct mlx4_en_filter *filter; const struct iphdr *ip; const __be16 *ports; u8 ip_proto; __be32 src_ip; __be32 dst_ip; __be16 src_port; __be16 dst_port; int nhoff = skb_network_offset(skb); int ret = 0; if (skb->protocol != htons(ETH_P_IP)) return -EPROTONOSUPPORT; ip = (const struct iphdr *)(skb->data + nhoff); if (ip_is_fragment(ip)) return -EPROTONOSUPPORT; if ((ip->protocol != IPPROTO_TCP) && (ip->protocol != IPPROTO_UDP)) return -EPROTONOSUPPORT; ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl); ip_proto = ip->protocol; src_ip = ip->saddr; dst_ip = ip->daddr; src_port = ports[0]; dst_port = ports[1]; spin_lock_bh(&priv->filters_lock); filter = mlx4_en_filter_find(priv, src_ip, dst_ip, ip_proto, src_port, dst_port); if (filter) { if (filter->rxq_index == rxq_index) goto out; filter->rxq_index = rxq_index; } else { filter = mlx4_en_filter_alloc(priv, rxq_index, src_ip, dst_ip, ip_proto, src_port, dst_port, flow_id); if (!filter) { ret = -ENOMEM; goto err; } } queue_work(priv->mdev->workqueue, &filter->work); out: ret = filter->id; err: spin_unlock_bh(&priv->filters_lock); return ret; } void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv) { struct mlx4_en_filter *filter, *tmp; LIST_HEAD(del_list); spin_lock_bh(&priv->filters_lock); list_for_each_entry_safe(filter, tmp, &priv->filters, next) { list_move(&filter->next, &del_list); hlist_del(&filter->filter_chain); } spin_unlock_bh(&priv->filters_lock); list_for_each_entry_safe(filter, tmp, &del_list, next) { cancel_work_sync(&filter->work); mlx4_en_filter_free(filter); } } static void mlx4_en_filter_rfs_expire(struct mlx4_en_priv *priv) { struct mlx4_en_filter *filter = NULL, *tmp, *last_filter = NULL; LIST_HEAD(del_list); int i = 0; spin_lock_bh(&priv->filters_lock); list_for_each_entry_safe(filter, tmp, &priv->filters, next) { if (i > MLX4_EN_FILTER_EXPIRY_QUOTA) break; if (filter->activated && !work_pending(&filter->work) && rps_may_expire_flow(priv->dev, filter->rxq_index, filter->flow_id, filter->id)) { list_move(&filter->next, &del_list); hlist_del(&filter->filter_chain); } else last_filter = filter; i++; } if (last_filter && (&last_filter->next != priv->filters.next)) list_move(&priv->filters, &last_filter->next); spin_unlock_bh(&priv->filters_lock); list_for_each_entry_safe(filter, tmp, &del_list, next) mlx4_en_filter_free(filter); } #endif static void mlx4_en_vlan_rx_add_vid(void *arg, struct ifnet *dev, u16 vid) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; int err; int idx; if (arg != priv) return; en_dbg(HW, priv, "adding VLAN:%d\n", vid); set_bit(vid, priv->active_vlans); /* Add VID to port VLAN filter */ mutex_lock(&mdev->state_lock); if (mdev->device_up && priv->port_up) { err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); if (err) en_err(priv, "Failed configuring VLAN filter\n"); } if (mlx4_register_vlan(mdev->dev, priv->port, vid, &idx)) en_dbg(HW, priv, "failed adding vlan %d\n", vid); mutex_unlock(&mdev->state_lock); } static void mlx4_en_vlan_rx_kill_vid(void *arg, struct ifnet *dev, u16 vid) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; int err; if (arg != priv) return; en_dbg(HW, priv, "Killing VID:%d\n", vid); clear_bit(vid, priv->active_vlans); /* Remove VID from port VLAN filter */ mutex_lock(&mdev->state_lock); mlx4_unregister_vlan(mdev->dev, priv->port, vid); if (mdev->device_up && priv->port_up) { err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); if (err) en_err(priv, "Failed configuring VLAN filter\n"); } mutex_unlock(&mdev->state_lock); } static int mlx4_en_tunnel_steer_add(struct mlx4_en_priv *priv, unsigned char *addr, int qpn, u64 *reg_id) { int err; if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN || priv->mdev->dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) return 0; /* do nothing */ err = mlx4_tunnel_steer_add(priv->mdev->dev, addr, priv->port, qpn, MLX4_DOMAIN_NIC, reg_id); if (err) { en_err(priv, "failed to add vxlan steering rule, err %d\n", err); return err; } en_dbg(DRV, priv, "added vxlan steering rule, mac %pM reg_id %llx\n", addr, (long long)*reg_id); return 0; } static int mlx4_en_uc_steer_add(struct mlx4_en_priv *priv, unsigned char *mac, int *qpn, u64 *reg_id) { struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_dev *dev = mdev->dev; int err; switch (dev->caps.steering_mode) { case MLX4_STEERING_MODE_B0: { struct mlx4_qp qp; u8 gid[16] = {0}; qp.qpn = *qpn; memcpy(&gid[10], mac, ETH_ALEN); gid[5] = priv->port; err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH); break; } case MLX4_STEERING_MODE_DEVICE_MANAGED: { struct mlx4_spec_list spec_eth = { {NULL} }; __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); struct mlx4_net_trans_rule rule = { .queue_mode = MLX4_NET_TRANS_Q_FIFO, .exclusive = 0, .allow_loopback = 1, .promisc_mode = MLX4_FS_REGULAR, .priority = MLX4_DOMAIN_NIC, }; rule.port = priv->port; rule.qpn = *qpn; INIT_LIST_HEAD(&rule.list); spec_eth.id = MLX4_NET_TRANS_RULE_ID_ETH; memcpy(spec_eth.eth.dst_mac, mac, ETH_ALEN); memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); list_add_tail(&spec_eth.list, &rule.list); err = mlx4_flow_attach(dev, &rule, reg_id); break; } default: return -EINVAL; } if (err) en_warn(priv, "Failed Attaching Unicast\n"); return err; } static void mlx4_en_uc_steer_release(struct mlx4_en_priv *priv, unsigned char *mac, int qpn, u64 reg_id) { struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_dev *dev = mdev->dev; switch (dev->caps.steering_mode) { case MLX4_STEERING_MODE_B0: { struct mlx4_qp qp; u8 gid[16] = {0}; qp.qpn = qpn; memcpy(&gid[10], mac, ETH_ALEN); gid[5] = priv->port; mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH); break; } case MLX4_STEERING_MODE_DEVICE_MANAGED: { mlx4_flow_detach(dev, reg_id); break; } default: en_err(priv, "Invalid steering mode.\n"); } } static int mlx4_en_get_qp(struct mlx4_en_priv *priv) { struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_dev *dev = mdev->dev; int index = 0; int err = 0; int *qpn = &priv->base_qpn; u64 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev)); en_dbg(DRV, priv, "Registering MAC: %pM for adding\n", IF_LLADDR(priv->dev)); index = mlx4_register_mac(dev, priv->port, mac); if (index < 0) { err = index; en_err(priv, "Failed adding MAC: %pM\n", IF_LLADDR(priv->dev)); return err; } if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { int base_qpn = mlx4_get_base_qpn(dev, priv->port); *qpn = base_qpn + index; return 0; } err = mlx4_qp_reserve_range(dev, 1, 1, qpn, MLX4_RESERVE_A0_QP); en_dbg(DRV, priv, "Reserved qp %d\n", *qpn); if (err) { en_err(priv, "Failed to reserve qp for mac registration\n"); mlx4_unregister_mac(dev, priv->port, mac); return err; } return 0; } static void mlx4_en_put_qp(struct mlx4_en_priv *priv) { struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_dev *dev = mdev->dev; int qpn = priv->base_qpn; if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { u64 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev)); en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n", IF_LLADDR(priv->dev)); mlx4_unregister_mac(dev, priv->port, mac); } else { en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n", priv->port, qpn); mlx4_qp_release_range(dev, qpn, 1); priv->flags &= ~MLX4_EN_FLAG_FORCE_PROMISC; } } static void mlx4_en_clear_uclist(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_addr_list *tmp, *uc_to_del; list_for_each_entry_safe(uc_to_del, tmp, &priv->uc_list, list) { list_del(&uc_to_del->list); kfree(uc_to_del); } } static u_int mlx4_copy_addr(void *arg, struct sockaddr_dl *sdl, u_int cnt) { struct mlx4_en_priv *priv = arg; struct mlx4_en_addr_list *tmp; if (sdl->sdl_alen != ETHER_ADDR_LEN) /* XXXGL: can that happen? */ return (0); tmp = kzalloc(sizeof(struct mlx4_en_addr_list), GFP_ATOMIC); if (tmp == NULL) { en_err(priv, "Failed to allocate address list\n"); return (0); } memcpy(tmp->addr, LLADDR(sdl), ETH_ALEN); list_add_tail(&tmp->list, &priv->uc_list); return (1); } static void mlx4_en_cache_uclist(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); mlx4_en_clear_uclist(dev); if_foreach_lladdr(dev, mlx4_copy_addr, priv); } static void mlx4_en_clear_mclist(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_addr_list *tmp, *mc_to_del; list_for_each_entry_safe(mc_to_del, tmp, &priv->mc_list, list) { list_del(&mc_to_del->list); kfree(mc_to_del); } } static u_int mlx4_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int count) { struct mlx4_en_priv *priv = arg; struct mlx4_en_addr_list *tmp; if (sdl->sdl_alen != ETHER_ADDR_LEN) /* XXXGL: can that happen? */ return (0); tmp = kzalloc(sizeof(struct mlx4_en_addr_list), GFP_ATOMIC); if (tmp == NULL) { en_err(priv, "Failed to allocate address list\n"); return (0); } memcpy(tmp->addr, LLADDR(sdl), ETH_ALEN); list_add_tail(&tmp->list, &priv->mc_list); return (1); } static void mlx4_en_cache_mclist(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); mlx4_en_clear_mclist(dev); if_foreach_llmaddr(dev, mlx4_copy_maddr, priv); } static void update_addr_list_flags(struct mlx4_en_priv *priv, struct list_head *dst, struct list_head *src) { struct mlx4_en_addr_list *dst_tmp, *src_tmp, *new_mc; bool found; /* Find all the entries that should be removed from dst, * These are the entries that are not found in src */ list_for_each_entry(dst_tmp, dst, list) { found = false; list_for_each_entry(src_tmp, src, list) { if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) { found = true; break; } } if (!found) dst_tmp->action = MLX4_ADDR_LIST_REM; } /* Add entries that exist in src but not in dst * mark them as need to add */ list_for_each_entry(src_tmp, src, list) { found = false; list_for_each_entry(dst_tmp, dst, list) { if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) { dst_tmp->action = MLX4_ADDR_LIST_NONE; found = true; break; } } if (!found) { new_mc = kmalloc(sizeof(struct mlx4_en_addr_list), GFP_KERNEL); if (!new_mc) { en_err(priv, "Failed to allocate current multicast list\n"); return; } memcpy(new_mc, src_tmp, sizeof(struct mlx4_en_addr_list)); new_mc->action = MLX4_ADDR_LIST_ADD; list_add_tail(&new_mc->list, dst); } } } static void mlx4_en_set_rx_mode(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); if (!priv->port_up) return; queue_work(priv->mdev->workqueue, &priv->rx_mode_task); } static void mlx4_en_set_promisc_mode(struct mlx4_en_priv *priv, struct mlx4_en_dev *mdev) { int err = 0; if (!(priv->flags & MLX4_EN_FLAG_PROMISC)) { priv->flags |= MLX4_EN_FLAG_PROMISC; /* Enable promiscouos mode */ switch (mdev->dev->caps.steering_mode) { case MLX4_STEERING_MODE_DEVICE_MANAGED: err = mlx4_flow_steer_promisc_add(mdev->dev, priv->port, priv->base_qpn, MLX4_FS_ALL_DEFAULT); if (err) en_err(priv, "Failed enabling promiscuous mode\n"); priv->flags |= MLX4_EN_FLAG_MC_PROMISC; break; case MLX4_STEERING_MODE_B0: err = mlx4_unicast_promisc_add(mdev->dev, priv->base_qpn, priv->port); if (err) en_err(priv, "Failed enabling unicast promiscuous mode\n"); /* Add the default qp number as multicast * promisc */ if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) { err = mlx4_multicast_promisc_add(mdev->dev, priv->base_qpn, priv->port); if (err) en_err(priv, "Failed enabling multicast promiscuous mode\n"); priv->flags |= MLX4_EN_FLAG_MC_PROMISC; } break; case MLX4_STEERING_MODE_A0: err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 1); if (err) en_err(priv, "Failed enabling promiscuous mode\n"); break; } /* Disable port multicast filter (unconditionally) */ err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 0, MLX4_MCAST_DISABLE); if (err) en_err(priv, "Failed disabling multicast filter\n"); } } static void mlx4_en_clear_promisc_mode(struct mlx4_en_priv *priv, struct mlx4_en_dev *mdev) { int err = 0; priv->flags &= ~MLX4_EN_FLAG_PROMISC; /* Disable promiscouos mode */ switch (mdev->dev->caps.steering_mode) { case MLX4_STEERING_MODE_DEVICE_MANAGED: err = mlx4_flow_steer_promisc_remove(mdev->dev, priv->port, MLX4_FS_ALL_DEFAULT); if (err) en_err(priv, "Failed disabling promiscuous mode\n"); priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; break; case MLX4_STEERING_MODE_B0: err = mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn, priv->port); if (err) en_err(priv, "Failed disabling unicast promiscuous mode\n"); /* Disable Multicast promisc */ if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn, priv->port); if (err) en_err(priv, "Failed disabling multicast promiscuous mode\n"); priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; } break; case MLX4_STEERING_MODE_A0: err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0); if (err) en_err(priv, "Failed disabling promiscuous mode\n"); break; } } static void mlx4_en_do_multicast(struct mlx4_en_priv *priv, struct ifnet *dev, struct mlx4_en_dev *mdev) { struct mlx4_en_addr_list *addr_list, *tmp; u8 mc_list[16] = {0}; int err = 0; u64 mcast_addr = 0; /* * Enable/disable the multicast filter according to * IFF_ALLMULTI and IFF_PROMISC: */ if (dev->if_flags & (IFF_ALLMULTI | IFF_PROMISC)) { err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 0, MLX4_MCAST_DISABLE); if (err) en_err(priv, "Failed disabling multicast filter\n"); /* Add the default qp number as multicast promisc */ if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) { switch (mdev->dev->caps.steering_mode) { case MLX4_STEERING_MODE_DEVICE_MANAGED: err = mlx4_flow_steer_promisc_add(mdev->dev, priv->port, priv->base_qpn, MLX4_FS_MC_DEFAULT); break; case MLX4_STEERING_MODE_B0: err = mlx4_multicast_promisc_add(mdev->dev, priv->base_qpn, priv->port); break; case MLX4_STEERING_MODE_A0: break; } if (err) en_err(priv, "Failed entering multicast promisc mode\n"); priv->flags |= MLX4_EN_FLAG_MC_PROMISC; } } else { /* Disable Multicast promisc */ if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { switch (mdev->dev->caps.steering_mode) { case MLX4_STEERING_MODE_DEVICE_MANAGED: err = mlx4_flow_steer_promisc_remove(mdev->dev, priv->port, MLX4_FS_MC_DEFAULT); break; case MLX4_STEERING_MODE_B0: err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn, priv->port); break; case MLX4_STEERING_MODE_A0: break; } if (err) en_err(priv, "Failed disabling multicast promiscuous mode\n"); priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; } err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 0, MLX4_MCAST_DISABLE); if (err) en_err(priv, "Failed disabling multicast filter\n"); /* Flush mcast filter and init it with broadcast address */ mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST, 1, MLX4_MCAST_CONFIG); /* Update multicast list - we cache all addresses so they won't * change while HW is updated holding the command semaphor */ mlx4_en_cache_mclist(dev); list_for_each_entry(addr_list, &priv->mc_list, list) { mcast_addr = mlx4_mac_to_u64(addr_list->addr); mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, mcast_addr, 0, MLX4_MCAST_CONFIG); } err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 0, MLX4_MCAST_ENABLE); if (err) en_err(priv, "Failed enabling multicast filter\n"); update_addr_list_flags(priv, &priv->curr_mc_list, &priv->mc_list); list_for_each_entry_safe(addr_list, tmp, &priv->curr_mc_list, list) { if (addr_list->action == MLX4_ADDR_LIST_REM) { /* detach this address and delete from list */ memcpy(&mc_list[10], addr_list->addr, ETH_ALEN); mc_list[5] = priv->port; err = mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list, MLX4_PROT_ETH, addr_list->reg_id); if (err) en_err(priv, "Fail to detach multicast address\n"); if (addr_list->tunnel_reg_id) { err = mlx4_flow_detach(priv->mdev->dev, addr_list->tunnel_reg_id); if (err) en_err(priv, "Failed to detach multicast address\n"); } /* remove from list */ list_del(&addr_list->list); kfree(addr_list); } else if (addr_list->action == MLX4_ADDR_LIST_ADD) { /* attach the address */ memcpy(&mc_list[10], addr_list->addr, ETH_ALEN); /* needed for B0 steering support */ mc_list[5] = priv->port; err = mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list, priv->port, 0, MLX4_PROT_ETH, &addr_list->reg_id); if (err) en_err(priv, "Fail to attach multicast address\n"); err = mlx4_en_tunnel_steer_add(priv, &mc_list[10], priv->base_qpn, &addr_list->tunnel_reg_id); if (err) en_err(priv, "Failed to attach multicast address\n"); } } } } static void mlx4_en_do_unicast(struct mlx4_en_priv *priv, struct ifnet *dev, struct mlx4_en_dev *mdev) { struct mlx4_en_addr_list *addr_list, *tmp; int err; /* Update unicast list */ mlx4_en_cache_uclist(dev); update_addr_list_flags(priv, &priv->curr_uc_list, &priv->uc_list); list_for_each_entry_safe(addr_list, tmp, &priv->curr_uc_list, list) { if (addr_list->action == MLX4_ADDR_LIST_REM) { mlx4_en_uc_steer_release(priv, addr_list->addr, priv->rss_map.indir_qp.qpn, addr_list->reg_id); /* remove from list */ list_del(&addr_list->list); kfree(addr_list); } else if (addr_list->action == MLX4_ADDR_LIST_ADD) { err = mlx4_en_uc_steer_add(priv, addr_list->addr, &priv->rss_map.indir_qp.qpn, &addr_list->reg_id); if (err) en_err(priv, "Fail to add unicast address\n"); } } } static void mlx4_en_do_set_rx_mode(struct work_struct *work) { struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, rx_mode_task); struct mlx4_en_dev *mdev = priv->mdev; struct ifnet *dev = priv->dev; mutex_lock(&mdev->state_lock); if (!mdev->device_up) { en_dbg(HW, priv, "Card is not up, ignoring rx mode change.\n"); goto out; } if (!priv->port_up) { en_dbg(HW, priv, "Port is down, ignoring rx mode change.\n"); goto out; } if (!mlx4_en_QUERY_PORT(mdev, priv->port)) { if (priv->port_state.link_state) { priv->last_link_state = MLX4_DEV_EVENT_PORT_UP; /* update netif baudrate */ priv->dev->if_baudrate = IF_Mbps(priv->port_state.link_speed); /* Important note: the following call for if_link_state_change * is needed for interface up scenario (start port, link state * change) */ if_link_state_change(priv->dev, LINK_STATE_UP); en_dbg(HW, priv, "Link Up\n"); } } /* Set unicast rules */ mlx4_en_do_unicast(priv, dev, mdev); /* Promsicuous mode: disable all filters */ if ((dev->if_flags & IFF_PROMISC) || (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC)) { mlx4_en_set_promisc_mode(priv, mdev); } else if (priv->flags & MLX4_EN_FLAG_PROMISC) { /* Not in promiscuous mode */ mlx4_en_clear_promisc_mode(priv, mdev); } /* Set multicast rules */ mlx4_en_do_multicast(priv, dev, mdev); out: mutex_unlock(&mdev->state_lock); } static void mlx4_en_watchdog_timeout(void *arg) { struct mlx4_en_priv *priv = arg; struct mlx4_en_dev *mdev = priv->mdev; en_dbg(DRV, priv, "Scheduling watchdog\n"); queue_work(mdev->workqueue, &priv->watchdog_task); if (priv->port_up) callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT, mlx4_en_watchdog_timeout, priv); } static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv) { struct mlx4_en_cq *cq; int i; /* If we haven't received a specific coalescing setting * (module param), we set the moderation parameters as follows: * - moder_cnt is set to the number of mtu sized packets to * satisfy our coalescing target. * - moder_time is set to a fixed value. */ priv->rx_frames = MLX4_EN_RX_COAL_TARGET; priv->rx_usecs = MLX4_EN_RX_COAL_TIME; priv->tx_frames = MLX4_EN_TX_COAL_PKTS; priv->tx_usecs = MLX4_EN_TX_COAL_TIME; en_dbg(INTR, priv, "Default coalesing params for mtu: %u - " "rx_frames:%d rx_usecs:%d\n", (unsigned)priv->dev->if_mtu, priv->rx_frames, priv->rx_usecs); /* Setup cq moderation params */ for (i = 0; i < priv->rx_ring_num; i++) { cq = priv->rx_cq[i]; cq->moder_cnt = priv->rx_frames; cq->moder_time = priv->rx_usecs; priv->last_moder_time[i] = MLX4_EN_AUTO_CONF; priv->last_moder_packets[i] = 0; priv->last_moder_bytes[i] = 0; } for (i = 0; i < priv->tx_ring_num; i++) { cq = priv->tx_cq[i]; cq->moder_cnt = priv->tx_frames; cq->moder_time = priv->tx_usecs; } /* Reset auto-moderation params */ priv->pkt_rate_low = MLX4_EN_RX_RATE_LOW; priv->rx_usecs_low = MLX4_EN_RX_COAL_TIME_LOW; priv->pkt_rate_high = MLX4_EN_RX_RATE_HIGH; priv->rx_usecs_high = MLX4_EN_RX_COAL_TIME_HIGH; priv->sample_interval = MLX4_EN_SAMPLE_INTERVAL; priv->adaptive_rx_coal = 1; priv->last_moder_jiffies = 0; priv->last_moder_tx_packets = 0; } static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv) { unsigned long period = (unsigned long) (jiffies - priv->last_moder_jiffies); struct mlx4_en_cq *cq; unsigned long packets; unsigned long rate; unsigned long avg_pkt_size; unsigned long rx_packets; unsigned long rx_bytes; unsigned long rx_pkt_diff; int moder_time; int ring, err; if (!priv->adaptive_rx_coal || period < priv->sample_interval * HZ) return; for (ring = 0; ring < priv->rx_ring_num; ring++) { spin_lock(&priv->stats_lock); rx_packets = priv->rx_ring[ring]->packets; rx_bytes = priv->rx_ring[ring]->bytes; spin_unlock(&priv->stats_lock); rx_pkt_diff = ((unsigned long) (rx_packets - priv->last_moder_packets[ring])); packets = rx_pkt_diff; rate = packets * HZ / period; avg_pkt_size = packets ? ((unsigned long) (rx_bytes - priv->last_moder_bytes[ring])) / packets : 0; /* Apply auto-moderation only when packet rate * exceeds a rate that it matters */ if (rate > (MLX4_EN_RX_RATE_THRESH / priv->rx_ring_num) && avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) { if (rate < priv->pkt_rate_low) moder_time = priv->rx_usecs_low; else if (rate > priv->pkt_rate_high) moder_time = priv->rx_usecs_high; else moder_time = (rate - priv->pkt_rate_low) * (priv->rx_usecs_high - priv->rx_usecs_low) / (priv->pkt_rate_high - priv->pkt_rate_low) + priv->rx_usecs_low; } else { moder_time = priv->rx_usecs_low; } if (moder_time != priv->last_moder_time[ring]) { priv->last_moder_time[ring] = moder_time; cq = priv->rx_cq[ring]; cq->moder_time = moder_time; cq->moder_cnt = priv->rx_frames; err = mlx4_en_set_cq_moder(priv, cq); if (err) en_err(priv, "Failed modifying moderation for cq:%d\n", ring); } priv->last_moder_packets[ring] = rx_packets; priv->last_moder_bytes[ring] = rx_bytes; } priv->last_moder_jiffies = jiffies; } static void mlx4_en_do_get_stats(struct work_struct *work) { struct delayed_work *delay = to_delayed_work(work); struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, stats_task); struct mlx4_en_dev *mdev = priv->mdev; int err; mutex_lock(&mdev->state_lock); if (mdev->device_up) { if (priv->port_up) { if (mlx4_is_slave(mdev->dev)) err = mlx4_en_get_vport_stats(mdev, priv->port); else err = mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 0); if (err) en_dbg(HW, priv, "Could not update stats\n"); mlx4_en_auto_moderation(priv); } queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); } mutex_unlock(&mdev->state_lock); } /* mlx4_en_service_task - Run service task for tasks that needed to be done * periodically */ static void mlx4_en_service_task(struct work_struct *work) { struct delayed_work *delay = to_delayed_work(work); struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, service_task); struct mlx4_en_dev *mdev = priv->mdev; mutex_lock(&mdev->state_lock); if (mdev->device_up) { queue_delayed_work(mdev->workqueue, &priv->service_task, SERVICE_TASK_DELAY); } mutex_unlock(&mdev->state_lock); } static void mlx4_en_linkstate(struct work_struct *work) { struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, linkstate_task); struct mlx4_en_dev *mdev = priv->mdev; int linkstate = priv->link_state; mutex_lock(&mdev->state_lock); /* If observable port state changed set carrier state and * report to system log */ if (priv->last_link_state != linkstate) { if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) { en_info(priv, "Link Down\n"); if_link_state_change(priv->dev, LINK_STATE_DOWN); /* update netif baudrate */ priv->dev->if_baudrate = 0; /* make sure the port is up before notifying the OS. * This is tricky since we get here on INIT_PORT and * in such case we can't tell the OS the port is up. * To solve this there is a call to if_link_state_change * in set_rx_mode. * */ } else if (priv->port_up && (linkstate == MLX4_DEV_EVENT_PORT_UP)){ if (mlx4_en_QUERY_PORT(priv->mdev, priv->port)) en_info(priv, "Query port failed\n"); priv->dev->if_baudrate = IF_Mbps(priv->port_state.link_speed); en_info(priv, "Link Up\n"); if_link_state_change(priv->dev, LINK_STATE_UP); } } priv->last_link_state = linkstate; mutex_unlock(&mdev->state_lock); } int mlx4_en_start_port(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_en_cq *cq; struct mlx4_en_tx_ring *tx_ring; int rx_index = 0; int tx_index = 0; int err = 0; int i; int j; u8 mc_list[16] = {0}; if (priv->port_up) { en_dbg(DRV, priv, "start port called while port already up\n"); return 0; } INIT_LIST_HEAD(&priv->mc_list); INIT_LIST_HEAD(&priv->uc_list); INIT_LIST_HEAD(&priv->curr_mc_list); INIT_LIST_HEAD(&priv->curr_uc_list); INIT_LIST_HEAD(&priv->ethtool_list); /* Calculate Rx buf size */ dev->if_mtu = min(dev->if_mtu, priv->max_mtu); mlx4_en_calc_rx_buf(dev); en_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_mb_size); /* Configure rx cq's and rings */ err = mlx4_en_activate_rx_rings(priv); if (err) { en_err(priv, "Failed to activate RX rings\n"); return err; } for (i = 0; i < priv->rx_ring_num; i++) { cq = priv->rx_cq[i]; mlx4_en_cq_init_lock(cq); err = mlx4_en_activate_cq(priv, cq, i); if (err) { en_err(priv, "Failed activating Rx CQ\n"); goto cq_err; } for (j = 0; j < cq->size; j++) cq->buf[j].owner_sr_opcode = MLX4_CQE_OWNER_MASK; err = mlx4_en_set_cq_moder(priv, cq); if (err) { en_err(priv, "Failed setting cq moderation parameters"); mlx4_en_deactivate_cq(priv, cq); goto cq_err; } mlx4_en_arm_cq(priv, cq); priv->rx_ring[i]->cqn = cq->mcq.cqn; ++rx_index; } /* Set qp number */ en_dbg(DRV, priv, "Getting qp number for port %d\n", priv->port); err = mlx4_en_get_qp(priv); if (err) { en_err(priv, "Failed getting eth qp\n"); goto cq_err; } mdev->mac_removed[priv->port] = 0; priv->counter_index = mlx4_get_default_counter_index(mdev->dev, priv->port); err = mlx4_en_config_rss_steer(priv); if (err) { en_err(priv, "Failed configuring rss steering\n"); goto mac_err; } err = mlx4_en_create_drop_qp(priv); if (err) goto rss_err; /* Configure tx cq's and rings */ for (i = 0; i < priv->tx_ring_num; i++) { /* Configure cq */ cq = priv->tx_cq[i]; err = mlx4_en_activate_cq(priv, cq, i); if (err) { en_err(priv, "Failed activating Tx CQ\n"); goto tx_err; } err = mlx4_en_set_cq_moder(priv, cq); if (err) { en_err(priv, "Failed setting cq moderation parameters"); mlx4_en_deactivate_cq(priv, cq); goto tx_err; } en_dbg(DRV, priv, "Resetting index of collapsed CQ:%d to -1\n", i); cq->buf->wqe_index = cpu_to_be16(0xffff); /* Configure ring */ tx_ring = priv->tx_ring[i]; err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn, i / priv->num_tx_rings_p_up); if (err) { en_err(priv, "Failed activating Tx ring %d\n", i); mlx4_en_deactivate_cq(priv, cq); goto tx_err; } /* Arm CQ for TX completions */ mlx4_en_arm_cq(priv, cq); /* Set initial ownership of all Tx TXBBs to SW (1) */ for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE) *((u32 *) (tx_ring->buf + j)) = INIT_OWNER_BIT; ++tx_index; } /* Configure port */ err = mlx4_SET_PORT_general(mdev->dev, priv->port, priv->rx_mb_size, priv->prof->tx_pause, priv->prof->tx_ppp, priv->prof->rx_pause, priv->prof->rx_ppp); if (err) { en_err(priv, "Failed setting port general configurations for port %d, with error %d\n", priv->port, err); goto tx_err; } /* Set default qp number */ err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0); if (err) { en_err(priv, "Failed setting default qp numbers\n"); goto tx_err; } /* Init port */ en_dbg(HW, priv, "Initializing port\n"); err = mlx4_INIT_PORT(mdev->dev, priv->port); if (err) { en_err(priv, "Failed Initializing port\n"); goto tx_err; } /* Attach rx QP to bradcast address */ memset(&mc_list[10], 0xff, ETH_ALEN); mc_list[5] = priv->port; /* needed for B0 steering support */ if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list, priv->port, 0, MLX4_PROT_ETH, &priv->broadcast_id)) mlx4_warn(mdev, "Failed Attaching Broadcast\n"); /* Must redo promiscuous mode setup. */ priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC); /* Schedule multicast task to populate multicast list */ queue_work(mdev->workqueue, &priv->rx_mode_task); priv->port_up = true; /* Enable the queues. */ dev->if_drv_flags &= ~IFF_DRV_OACTIVE; dev->if_drv_flags |= IFF_DRV_RUNNING; #ifdef CONFIG_DEBUG_FS mlx4_en_create_debug_files(priv); #endif callout_reset(&priv->watchdog_timer, MLX4_EN_WATCHDOG_TIMEOUT, mlx4_en_watchdog_timeout, priv); return 0; tx_err: while (tx_index--) { mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[tx_index]); mlx4_en_deactivate_cq(priv, priv->tx_cq[tx_index]); } mlx4_en_destroy_drop_qp(priv); rss_err: mlx4_en_release_rss_steer(priv); mac_err: mlx4_en_put_qp(priv); cq_err: while (rx_index--) mlx4_en_deactivate_cq(priv, priv->rx_cq[rx_index]); for (i = 0; i < priv->rx_ring_num; i++) mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]); return err; /* need to close devices */ } void mlx4_en_stop_port(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_en_addr_list *addr_list, *tmp; int i; u8 mc_list[16] = {0}; if (!priv->port_up) { en_dbg(DRV, priv, "stop port called while port already down\n"); return; } #ifdef CONFIG_DEBUG_FS mlx4_en_delete_debug_files(priv); #endif /* close port*/ mlx4_CLOSE_PORT(mdev->dev, priv->port); /* Set port as not active */ priv->port_up = false; priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev); /* Promsicuous mode */ if (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC); mlx4_flow_steer_promisc_remove(mdev->dev, priv->port, MLX4_FS_ALL_DEFAULT); mlx4_flow_steer_promisc_remove(mdev->dev, priv->port, MLX4_FS_MC_DEFAULT); } else if (priv->flags & MLX4_EN_FLAG_PROMISC) { priv->flags &= ~MLX4_EN_FLAG_PROMISC; /* Disable promiscouos mode */ mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn, priv->port); /* Disable Multicast promisc */ if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) { mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn, priv->port); priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC; } } /* Detach All unicasts */ list_for_each_entry(addr_list, &priv->curr_uc_list, list) { mlx4_en_uc_steer_release(priv, addr_list->addr, priv->rss_map.indir_qp.qpn, addr_list->reg_id); } mlx4_en_clear_uclist(dev); list_for_each_entry_safe(addr_list, tmp, &priv->curr_uc_list, list) { list_del(&addr_list->list); kfree(addr_list); } /* Detach All multicasts */ memset(&mc_list[10], 0xff, ETH_ALEN); mc_list[5] = priv->port; /* needed for B0 steering support */ mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list, MLX4_PROT_ETH, priv->broadcast_id); list_for_each_entry(addr_list, &priv->curr_mc_list, list) { memcpy(&mc_list[10], addr_list->addr, ETH_ALEN); mc_list[5] = priv->port; mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list, MLX4_PROT_ETH, addr_list->reg_id); } mlx4_en_clear_mclist(dev); list_for_each_entry_safe(addr_list, tmp, &priv->curr_mc_list, list) { list_del(&addr_list->list); kfree(addr_list); } /* Flush multicast filter */ mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG); mlx4_en_destroy_drop_qp(priv); /* Free TX Rings */ for (i = 0; i < priv->tx_ring_num; i++) { mlx4_en_deactivate_tx_ring(priv, priv->tx_ring[i]); mlx4_en_deactivate_cq(priv, priv->tx_cq[i]); } msleep(10); for (i = 0; i < priv->tx_ring_num; i++) mlx4_en_free_tx_buf(dev, priv->tx_ring[i]); /* Free RSS qps */ mlx4_en_release_rss_steer(priv); /* Unregister Mac address for the port */ mlx4_en_put_qp(priv); mdev->mac_removed[priv->port] = 1; /* Free RX Rings */ for (i = 0; i < priv->rx_ring_num; i++) { struct mlx4_en_cq *cq = priv->rx_cq[i]; mlx4_en_deactivate_rx_ring(priv, priv->rx_ring[i]); mlx4_en_deactivate_cq(priv, cq); } callout_stop(&priv->watchdog_timer); dev->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); } static void mlx4_en_restart(struct work_struct *work) { struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, watchdog_task); struct mlx4_en_dev *mdev = priv->mdev; struct ifnet *dev = priv->dev; struct mlx4_en_tx_ring *ring; int i; if (priv->blocked == 0 || priv->port_up == 0) return; for (i = 0; i < priv->tx_ring_num; i++) { int watchdog_time; ring = priv->tx_ring[i]; watchdog_time = READ_ONCE(ring->watchdog_time); if (watchdog_time != 0 && time_after(ticks, ring->watchdog_time)) goto reset; } return; reset: priv->port_stats.tx_timeout++; en_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port); mutex_lock(&mdev->state_lock); if (priv->port_up) { mlx4_en_stop_port(dev); //for (i = 0; i < priv->tx_ring_num; i++) // netdev_tx_reset_queue(priv->tx_ring[i]->tx_queue); if (mlx4_en_start_port(dev)) en_err(priv, "Failed restarting port %d\n", priv->port); } mutex_unlock(&mdev->state_lock); } static void mlx4_en_clear_stats(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; int i; if (!mlx4_is_slave(mdev->dev)) if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1)) en_dbg(HW, priv, "Failed dumping statistics\n"); memset(&priv->pstats, 0, sizeof(priv->pstats)); memset(&priv->pkstats, 0, sizeof(priv->pkstats)); memset(&priv->port_stats, 0, sizeof(priv->port_stats)); memset(&priv->vport_stats, 0, sizeof(priv->vport_stats)); for (i = 0; i < priv->tx_ring_num; i++) { priv->tx_ring[i]->bytes = 0; priv->tx_ring[i]->packets = 0; priv->tx_ring[i]->tx_csum = 0; priv->tx_ring[i]->oversized_packets = 0; } for (i = 0; i < priv->rx_ring_num; i++) { priv->rx_ring[i]->bytes = 0; priv->rx_ring[i]->packets = 0; priv->rx_ring[i]->csum_ok = 0; priv->rx_ring[i]->csum_none = 0; } } static void mlx4_en_open(void* arg) { struct mlx4_en_priv *priv; struct mlx4_en_dev *mdev; struct ifnet *dev; int err = 0; priv = arg; mdev = priv->mdev; dev = priv->dev; mutex_lock(&mdev->state_lock); if (!mdev->device_up) { en_err(priv, "Cannot open - device down/disabled\n"); goto out; } /* Reset HW statistics and SW counters */ mlx4_en_clear_stats(dev); err = mlx4_en_start_port(dev); if (err) en_err(priv, "Failed starting port:%d\n", priv->port); out: mutex_unlock(&mdev->state_lock); return; } void mlx4_en_free_resources(struct mlx4_en_priv *priv) { int i; #ifdef CONFIG_RFS_ACCEL if (priv->dev->rx_cpu_rmap) { free_irq_cpu_rmap(priv->dev->rx_cpu_rmap); priv->dev->rx_cpu_rmap = NULL; } #endif for (i = 0; i < priv->tx_ring_num; i++) { if (priv->tx_ring && priv->tx_ring[i]) mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]); if (priv->tx_cq && priv->tx_cq[i]) mlx4_en_destroy_cq(priv, &priv->tx_cq[i]); } for (i = 0; i < priv->rx_ring_num; i++) { if (priv->rx_ring[i]) mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], priv->prof->rx_ring_size); if (priv->rx_cq[i]) mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); } if (priv->stat_sysctl != NULL) sysctl_ctx_free(&priv->stat_ctx); } int mlx4_en_alloc_resources(struct mlx4_en_priv *priv) { struct mlx4_en_port_profile *prof = priv->prof; int i; int node = 0; /* Create rx Rings */ for (i = 0; i < priv->rx_ring_num; i++) { if (mlx4_en_create_cq(priv, &priv->rx_cq[i], prof->rx_ring_size, i, RX, node)) goto err; if (mlx4_en_create_rx_ring(priv, &priv->rx_ring[i], prof->rx_ring_size, node)) goto err; } /* Create tx Rings */ for (i = 0; i < priv->tx_ring_num; i++) { if (mlx4_en_create_cq(priv, &priv->tx_cq[i], prof->tx_ring_size, i, TX, node)) goto err; if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], prof->tx_ring_size, TXBB_SIZE, node, i)) goto err; } #ifdef CONFIG_RFS_ACCEL priv->dev->rx_cpu_rmap = alloc_irq_cpu_rmap(priv->rx_ring_num); if (!priv->dev->rx_cpu_rmap) goto err; #endif /* Re-create stat sysctls in case the number of rings changed. */ mlx4_en_sysctl_stat(priv); return 0; err: en_err(priv, "Failed to allocate NIC resources\n"); for (i = 0; i < priv->rx_ring_num; i++) { if (priv->rx_ring[i]) mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], prof->rx_ring_size); if (priv->rx_cq[i]) mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); } for (i = 0; i < priv->tx_ring_num; i++) { if (priv->tx_ring[i]) mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]); if (priv->tx_cq[i]) mlx4_en_destroy_cq(priv, &priv->tx_cq[i]); } priv->port_up = false; return -ENOMEM; } struct en_port_attribute { struct attribute attr; ssize_t (*show)(struct en_port *, struct en_port_attribute *, char *buf); ssize_t (*store)(struct en_port *, struct en_port_attribute *, char *buf, size_t count); }; #define PORT_ATTR_RO(_name) \ struct en_port_attribute en_port_attr_##_name = __ATTR_RO(_name) #define EN_PORT_ATTR(_name, _mode, _show, _store) \ struct en_port_attribute en_port_attr_##_name = __ATTR(_name, _mode, _show, _store) void mlx4_en_destroy_netdev(struct ifnet *dev) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; en_dbg(DRV, priv, "Destroying netdev on port:%d\n", priv->port); /* don't allow more IOCTLs */ priv->gone = 1; /* XXX wait a bit to allow IOCTL handlers to complete */ pause("W", hz); if (priv->vlan_attach != NULL) EVENTHANDLER_DEREGISTER(vlan_config, priv->vlan_attach); if (priv->vlan_detach != NULL) EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach); mutex_lock(&mdev->state_lock); mlx4_en_stop_port(dev); mutex_unlock(&mdev->state_lock); /* Unregister device - this will close the port if it was up */ if (priv->registered) ether_ifdetach(dev); if (priv->allocated) mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE); cancel_delayed_work(&priv->stats_task); cancel_delayed_work(&priv->service_task); /* flush any pending task for this netdev */ flush_workqueue(mdev->workqueue); callout_drain(&priv->watchdog_timer); /* Detach the netdev so tasks would not attempt to access it */ mutex_lock(&mdev->state_lock); mdev->pndev[priv->port] = NULL; mutex_unlock(&mdev->state_lock); mlx4_en_free_resources(priv); /* freeing the sysctl conf cannot be called from within mlx4_en_free_resources */ if (priv->conf_sysctl != NULL) sysctl_ctx_free(&priv->conf_ctx); kfree(priv->tx_ring); kfree(priv->tx_cq); kfree(priv); if_free(dev); } static int mlx4_en_change_mtu(struct ifnet *dev, int new_mtu) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; int err = 0; en_dbg(DRV, priv, "Change MTU called - current:%u new:%u\n", (unsigned)dev->if_mtu, (unsigned)new_mtu); if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) { en_err(priv, "Bad MTU size:%d, max %u.\n", new_mtu, priv->max_mtu); return -EPERM; } mutex_lock(&mdev->state_lock); dev->if_mtu = new_mtu; if (dev->if_drv_flags & IFF_DRV_RUNNING) { if (!mdev->device_up) { /* NIC is probably restarting - let watchdog task reset * * the port */ en_dbg(DRV, priv, "Change MTU called with card down!?\n"); } else { mlx4_en_stop_port(dev); err = mlx4_en_start_port(dev); if (err) { en_err(priv, "Failed restarting port:%d\n", priv->port); queue_work(mdev->workqueue, &priv->watchdog_task); } } } mutex_unlock(&mdev->state_lock); return 0; } static int mlx4_en_calc_media(struct mlx4_en_priv *priv) { int trans_type; int active; active = IFM_ETHER; if (priv->last_link_state == MLX4_DEV_EVENT_PORT_DOWN) return (active); active |= IFM_FDX; trans_type = priv->port_state.transceiver; /* XXX I don't know all of the transceiver values. */ switch (priv->port_state.link_speed) { case 100: active |= IFM_100_T; break; case 1000: active |= IFM_1000_T; break; case 10000: if (trans_type > 0 && trans_type <= 0xC) active |= IFM_10G_SR; else if (trans_type == 0x80 || trans_type == 0) active |= IFM_10G_CX4; break; case 40000: active |= IFM_40G_CR4; break; } if (priv->prof->tx_pause) active |= IFM_ETH_TXPAUSE; if (priv->prof->rx_pause) active |= IFM_ETH_RXPAUSE; return (active); } static void mlx4_en_media_status(struct ifnet *dev, struct ifmediareq *ifmr) { struct mlx4_en_priv *priv; priv = dev->if_softc; ifmr->ifm_status = IFM_AVALID; if (priv->last_link_state != MLX4_DEV_EVENT_PORT_DOWN) ifmr->ifm_status |= IFM_ACTIVE; ifmr->ifm_active = mlx4_en_calc_media(priv); return; } static int mlx4_en_media_change(struct ifnet *dev) { struct mlx4_en_priv *priv; struct ifmedia *ifm; int rxpause; int txpause; int error; priv = dev->if_softc; ifm = &priv->media; rxpause = txpause = 0; error = 0; if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) return (EINVAL); switch (IFM_SUBTYPE(ifm->ifm_media)) { case IFM_AUTO: break; case IFM_10G_SR: case IFM_10G_CX4: case IFM_1000_T: case IFM_40G_CR4: if ((IFM_SUBTYPE(ifm->ifm_media) == IFM_SUBTYPE(mlx4_en_calc_media(priv))) && (ifm->ifm_media & IFM_FDX)) break; /* Fallthrough */ default: printf("%s: Only auto media type\n", if_name(dev)); return (EINVAL); } /* Allow user to set/clear pause */ if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_RXPAUSE) rxpause = 1; if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_TXPAUSE) txpause = 1; if (priv->prof->tx_pause != txpause || priv->prof->rx_pause != rxpause) { priv->prof->tx_pause = txpause; priv->prof->rx_pause = rxpause; error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port, priv->rx_mb_size + ETHER_CRC_LEN, priv->prof->tx_pause, priv->prof->tx_ppp, priv->prof->rx_pause, priv->prof->rx_ppp); } return (error); } static int mlx4_en_ioctl(struct ifnet *dev, u_long command, caddr_t data) { struct mlx4_en_priv *priv; struct mlx4_en_dev *mdev; struct ifreq *ifr; int error; int mask; struct ifrsskey *ifrk; const u32 *key; struct ifrsshash *ifrh; u8 rss_mask; error = 0; mask = 0; priv = dev->if_softc; /* check if detaching */ if (priv == NULL || priv->gone != 0) return (ENXIO); mdev = priv->mdev; ifr = (struct ifreq *) data; switch (command) { case SIOCSIFMTU: error = -mlx4_en_change_mtu(dev, ifr->ifr_mtu); break; case SIOCSIFFLAGS: if (dev->if_flags & IFF_UP) { if ((dev->if_drv_flags & IFF_DRV_RUNNING) == 0) { mutex_lock(&mdev->state_lock); mlx4_en_start_port(dev); mutex_unlock(&mdev->state_lock); } else { mlx4_en_set_rx_mode(dev); } } else { mutex_lock(&mdev->state_lock); if (dev->if_drv_flags & IFF_DRV_RUNNING) { mlx4_en_stop_port(dev); if_link_state_change(dev, LINK_STATE_DOWN); } mutex_unlock(&mdev->state_lock); } break; case SIOCADDMULTI: case SIOCDELMULTI: mlx4_en_set_rx_mode(dev); break; case SIOCSIFMEDIA: case SIOCGIFMEDIA: error = ifmedia_ioctl(dev, ifr, &priv->media, command); break; case SIOCSIFCAP: mutex_lock(&mdev->state_lock); mask = ifr->ifr_reqcap ^ dev->if_capenable; if (mask & IFCAP_TXCSUM) { dev->if_capenable ^= IFCAP_TXCSUM; dev->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP); if (IFCAP_TSO4 & dev->if_capenable && !(IFCAP_TXCSUM & dev->if_capenable)) { mask &= ~IFCAP_TSO4; dev->if_capenable &= ~IFCAP_TSO4; dev->if_hwassist &= ~CSUM_IP_TSO; if_printf(dev, "tso4 disabled due to -txcsum.\n"); } } if (mask & IFCAP_TXCSUM_IPV6) { dev->if_capenable ^= IFCAP_TXCSUM_IPV6; dev->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); if (IFCAP_TSO6 & dev->if_capenable && !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) { mask &= ~IFCAP_TSO6; dev->if_capenable &= ~IFCAP_TSO6; dev->if_hwassist &= ~CSUM_IP6_TSO; if_printf(dev, "tso6 disabled due to -txcsum6.\n"); } } if (mask & IFCAP_RXCSUM) dev->if_capenable ^= IFCAP_RXCSUM; if (mask & IFCAP_RXCSUM_IPV6) dev->if_capenable ^= IFCAP_RXCSUM_IPV6; if (mask & IFCAP_TSO4) { if (!(IFCAP_TSO4 & dev->if_capenable) && !(IFCAP_TXCSUM & dev->if_capenable)) { if_printf(dev, "enable txcsum first.\n"); error = EAGAIN; goto out; } dev->if_capenable ^= IFCAP_TSO4; dev->if_hwassist ^= CSUM_IP_TSO; } if (mask & IFCAP_TSO6) { if (!(IFCAP_TSO6 & dev->if_capenable) && !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) { if_printf(dev, "enable txcsum6 first.\n"); error = EAGAIN; goto out; } dev->if_capenable ^= IFCAP_TSO6; dev->if_hwassist ^= CSUM_IP6_TSO; } if (mask & IFCAP_LRO) dev->if_capenable ^= IFCAP_LRO; if (mask & IFCAP_VLAN_HWTAGGING) dev->if_capenable ^= IFCAP_VLAN_HWTAGGING; if (mask & IFCAP_VLAN_HWFILTER) dev->if_capenable ^= IFCAP_VLAN_HWFILTER; if (mask & IFCAP_WOL_MAGIC) dev->if_capenable ^= IFCAP_WOL_MAGIC; if (dev->if_drv_flags & IFF_DRV_RUNNING) mlx4_en_start_port(dev); out: mutex_unlock(&mdev->state_lock); VLAN_CAPABILITIES(dev); break; case SIOCGI2C: { struct ifi2creq i2c; error = copyin(ifr_data_get_ptr(ifr), &i2c, sizeof(i2c)); if (error) break; if (i2c.len > sizeof(i2c.data)) { error = EINVAL; break; } /* * Note that we ignore i2c.addr here. The driver hardcodes * the address to 0x50, while standard expects it to be 0xA0. */ error = mlx4_get_module_info(mdev->dev, priv->port, i2c.offset, i2c.len, i2c.data); if (error < 0) { error = -error; break; } error = copyout(&i2c, ifr_data_get_ptr(ifr), sizeof(i2c)); break; } case SIOCGIFRSSKEY: ifrk = (struct ifrsskey *)data; ifrk->ifrk_func = RSS_FUNC_TOEPLITZ; mutex_lock(&mdev->state_lock); key = mlx4_en_get_rss_key(priv, &ifrk->ifrk_keylen); if (ifrk->ifrk_keylen > RSS_KEYLEN) error = EINVAL; else memcpy(ifrk->ifrk_key, key, ifrk->ifrk_keylen); mutex_unlock(&mdev->state_lock); break; case SIOCGIFRSSHASH: mutex_lock(&mdev->state_lock); rss_mask = mlx4_en_get_rss_mask(priv); mutex_unlock(&mdev->state_lock); ifrh = (struct ifrsshash *)data; ifrh->ifrh_func = RSS_FUNC_TOEPLITZ; ifrh->ifrh_types = 0; if (rss_mask & MLX4_RSS_IPV4) ifrh->ifrh_types |= RSS_TYPE_IPV4; if (rss_mask & MLX4_RSS_TCP_IPV4) ifrh->ifrh_types |= RSS_TYPE_TCP_IPV4; if (rss_mask & MLX4_RSS_IPV6) ifrh->ifrh_types |= RSS_TYPE_IPV6; if (rss_mask & MLX4_RSS_TCP_IPV6) ifrh->ifrh_types |= RSS_TYPE_TCP_IPV6; if (rss_mask & MLX4_RSS_UDP_IPV4) ifrh->ifrh_types |= RSS_TYPE_UDP_IPV4; if (rss_mask & MLX4_RSS_UDP_IPV6) ifrh->ifrh_types |= RSS_TYPE_UDP_IPV6; break; default: error = ether_ioctl(dev, command, data); break; } return (error); } int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, struct mlx4_en_port_profile *prof) { struct ifnet *dev; struct mlx4_en_priv *priv; uint8_t dev_addr[ETHER_ADDR_LEN]; int err; int i; priv = kzalloc(sizeof(*priv), GFP_KERNEL); dev = priv->dev = if_alloc(IFT_ETHER); if (dev == NULL) { en_err(priv, "Net device allocation failed\n"); kfree(priv); return -ENOMEM; } dev->if_softc = priv; if_initname(dev, "mlxen", (device_get_unit( mdev->pdev->dev.bsddev) * MLX4_MAX_PORTS) + port - 1); dev->if_mtu = ETHERMTU; dev->if_init = mlx4_en_open; dev->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; dev->if_ioctl = mlx4_en_ioctl; dev->if_transmit = mlx4_en_transmit; dev->if_qflush = mlx4_en_qflush; dev->if_snd.ifq_maxlen = prof->tx_ring_size; /* * Initialize driver private data */ priv->counter_index = 0xff; spin_lock_init(&priv->stats_lock); INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); INIT_WORK(&priv->watchdog_task, mlx4_en_restart); INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); callout_init(&priv->watchdog_timer, 1); #ifdef CONFIG_RFS_ACCEL INIT_LIST_HEAD(&priv->filters); spin_lock_init(&priv->filters_lock); #endif priv->msg_enable = MLX4_EN_MSG_LEVEL; priv->dev = dev; priv->mdev = mdev; priv->ddev = &mdev->pdev->dev; priv->prof = prof; priv->port = port; priv->port_up = false; priv->flags = prof->flags; priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up; priv->tx_ring_num = prof->tx_ring_num; priv->tx_ring = kcalloc(MAX_TX_RINGS, sizeof(struct mlx4_en_tx_ring *), GFP_KERNEL); if (!priv->tx_ring) { err = -ENOMEM; goto out; } priv->tx_cq = kcalloc(sizeof(struct mlx4_en_cq *), MAX_TX_RINGS, GFP_KERNEL); if (!priv->tx_cq) { err = -ENOMEM; goto out; } priv->rx_ring_num = prof->rx_ring_num; priv->cqe_factor = (mdev->dev->caps.cqe_size == 64) ? 1 : 0; priv->mac_index = -1; priv->last_ifq_jiffies = 0; priv->if_counters_rx_errors = 0; priv->if_counters_rx_no_buffer = 0; #ifdef CONFIG_MLX4_EN_DCB if (!mlx4_is_slave(priv->mdev->dev)) { priv->dcbx_cap = DCB_CAP_DCBX_HOST; priv->flags |= MLX4_EN_FLAG_DCB_ENABLED; if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) { dev->dcbnl_ops = &mlx4_en_dcbnl_ops; } else { en_info(priv, "QoS disabled - no HW support\n"); dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops; } } #endif /* Query for default mac and max mtu */ priv->max_mtu = mdev->dev->caps.eth_mtu_cap[priv->port]; priv->mac = mdev->dev->caps.def_mac[priv->port]; if (ILLEGAL_MAC(priv->mac)) { #if BITS_PER_LONG == 64 en_err(priv, "Port: %d, invalid mac burned: 0x%lx, quiting\n", priv->port, priv->mac); #elif BITS_PER_LONG == 32 en_err(priv, "Port: %d, invalid mac burned: 0x%llx, quiting\n", priv->port, priv->mac); #endif err = -EINVAL; goto out; } mlx4_en_sysctl_conf(priv); err = mlx4_en_alloc_resources(priv); if (err) goto out; /* Allocate page for receive rings */ err = mlx4_alloc_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE); if (err) { en_err(priv, "Failed to allocate page for rx qps\n"); goto out; } priv->allocated = 1; /* * Set driver features */ dev->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6; dev->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING; dev->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER; dev->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU; dev->if_capabilities |= IFCAP_LRO; dev->if_capabilities |= IFCAP_HWSTATS; if (mdev->LSO_support) dev->if_capabilities |= IFCAP_TSO4 | IFCAP_TSO6 | IFCAP_VLAN_HWTSO; /* set TSO limits so that we don't have to drop TX packets */ dev->if_hw_tsomax = MLX4_EN_TX_MAX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN) /* hdr */; dev->if_hw_tsomaxsegcount = MLX4_EN_TX_MAX_MBUF_FRAGS - 1 /* hdr */; dev->if_hw_tsomaxsegsize = MLX4_EN_TX_MAX_MBUF_SIZE; dev->if_capenable = dev->if_capabilities; dev->if_hwassist = 0; if (dev->if_capenable & (IFCAP_TSO4 | IFCAP_TSO6)) dev->if_hwassist |= CSUM_TSO; if (dev->if_capenable & IFCAP_TXCSUM) dev->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP); if (dev->if_capenable & IFCAP_TXCSUM_IPV6) dev->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); /* Register for VLAN events */ priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config, mlx4_en_vlan_rx_add_vid, priv, EVENTHANDLER_PRI_FIRST); priv->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig, mlx4_en_vlan_rx_kill_vid, priv, EVENTHANDLER_PRI_FIRST); mdev->pndev[priv->port] = dev; priv->last_link_state = MLX4_DEV_EVENT_PORT_DOWN; mlx4_en_set_default_moderation(priv); /* Set default MAC */ for (i = 0; i < ETHER_ADDR_LEN; i++) dev_addr[ETHER_ADDR_LEN - 1 - i] = (u8) (priv->mac >> (8 * i)); ether_ifattach(dev, dev_addr); if_link_state_change(dev, LINK_STATE_DOWN); ifmedia_init(&priv->media, IFM_IMASK | IFM_ETH_FMASK, mlx4_en_media_change, mlx4_en_media_status); ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_1000_T, 0, NULL); ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_SR, 0, NULL); ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_10G_CX4, 0, NULL); ifmedia_add(&priv->media, IFM_ETHER | IFM_FDX | IFM_40G_CR4, 0, NULL); ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL); ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO); DEBUGNET_SET(dev, mlx4_en); en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num); en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num); priv->registered = 1; en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num); en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num); priv->rx_mb_size = dev->if_mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN; err = mlx4_SET_PORT_general(mdev->dev, priv->port, priv->rx_mb_size, prof->tx_pause, prof->tx_ppp, prof->rx_pause, prof->rx_ppp); if (err) { en_err(priv, "Failed setting port general configurations " "for port %d, with error %d\n", priv->port, err); goto out; } /* Init port */ en_warn(priv, "Initializing port\n"); err = mlx4_INIT_PORT(mdev->dev, priv->port); if (err) { en_err(priv, "Failed Initializing port\n"); goto out; } queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) queue_delayed_work(mdev->workqueue, &priv->service_task, SERVICE_TASK_DELAY); return 0; out: mlx4_en_destroy_netdev(dev); return err; } static int mlx4_en_set_ring_size(struct ifnet *dev, int rx_size, int tx_size) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; int port_up = 0; int err = 0; rx_size = roundup_pow_of_two(rx_size); rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE); rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE); tx_size = roundup_pow_of_two(tx_size); tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE); tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE); if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size) && tx_size == priv->tx_ring[0]->size) return 0; mutex_lock(&mdev->state_lock); if (priv->port_up) { port_up = 1; mlx4_en_stop_port(dev); } mlx4_en_free_resources(priv); priv->prof->tx_ring_size = tx_size; priv->prof->rx_ring_size = rx_size; err = mlx4_en_alloc_resources(priv); if (err) { en_err(priv, "Failed reallocating port resources\n"); goto out; } if (port_up) { err = mlx4_en_start_port(dev); if (err) en_err(priv, "Failed starting port\n"); } out: mutex_unlock(&mdev->state_lock); return err; } static int mlx4_en_set_rx_ring_size(SYSCTL_HANDLER_ARGS) { struct mlx4_en_priv *priv; int size; int error; priv = arg1; size = priv->prof->rx_ring_size; error = sysctl_handle_int(oidp, &size, 0, req); if (error || !req->newptr) return (error); error = -mlx4_en_set_ring_size(priv->dev, size, priv->prof->tx_ring_size); return (error); } static int mlx4_en_set_tx_ring_size(SYSCTL_HANDLER_ARGS) { struct mlx4_en_priv *priv; int size; int error; priv = arg1; size = priv->prof->tx_ring_size; error = sysctl_handle_int(oidp, &size, 0, req); if (error || !req->newptr) return (error); error = -mlx4_en_set_ring_size(priv->dev, priv->prof->rx_ring_size, size); return (error); } static int mlx4_en_get_module_info(struct ifnet *dev, struct ethtool_modinfo *modinfo) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; int ret; u8 data[4]; /* Read first 2 bytes to get Module & REV ID */ ret = mlx4_get_module_info(mdev->dev, priv->port, 0/*offset*/, 2/*size*/, data); if (ret < 2) { en_err(priv, "Failed to read eeprom module first two bytes, error: 0x%x\n", -ret); return -EIO; } switch (data[0] /* identifier */) { case MLX4_MODULE_ID_QSFP: modinfo->type = ETH_MODULE_SFF_8436; modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; break; case MLX4_MODULE_ID_QSFP_PLUS: if (data[1] >= 0x3) { /* revision id */ modinfo->type = ETH_MODULE_SFF_8636; modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; } else { modinfo->type = ETH_MODULE_SFF_8436; modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; } break; case MLX4_MODULE_ID_QSFP28: modinfo->type = ETH_MODULE_SFF_8636; modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; break; case MLX4_MODULE_ID_SFP: modinfo->type = ETH_MODULE_SFF_8472; modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; break; default: en_err(priv, "mlx4_en_get_module_info : Not recognized cable type\n"); return -EINVAL; } return 0; } static int mlx4_en_get_module_eeprom(struct ifnet *dev, struct ethtool_eeprom *ee, u8 *data) { struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; int offset = ee->offset; int i = 0, ret; if (ee->len == 0) return -EINVAL; memset(data, 0, ee->len); while (i < ee->len) { en_dbg(DRV, priv, "mlx4_get_module_info i(%d) offset(%d) len(%d)\n", i, offset, ee->len - i); ret = mlx4_get_module_info(mdev->dev, priv->port, offset, ee->len - i, data + i); if (!ret) /* Done reading */ return 0; if (ret < 0) { en_err(priv, "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n", i, offset, ee->len - i, ret); return -1; } i += ret; offset += ret; } return 0; } static void mlx4_en_print_eeprom(u8 *data, __u32 len) { int i; int j = 0; int row = 0; const int NUM_OF_BYTES = 16; printf("\nOffset\t\tValues\n"); printf("------\t\t------\n"); while(row < len){ printf("0x%04x\t\t",row); for(i=0; i < NUM_OF_BYTES; i++){ printf("%02x ", data[j]); row++; j++; } printf("\n"); } } /* Read cable EEPROM module information by first inspecting the first * two bytes to get the length and then read the rest of the information. * The information is printed to dmesg. */ static int mlx4_en_read_eeprom(SYSCTL_HANDLER_ARGS) { u8* data; int error; int result = 0; struct mlx4_en_priv *priv; struct ifnet *dev; struct ethtool_modinfo modinfo; struct ethtool_eeprom ee; error = sysctl_handle_int(oidp, &result, 0, req); if (error || !req->newptr) return (error); if (result == 1) { priv = arg1; dev = priv->dev; data = kmalloc(PAGE_SIZE, GFP_KERNEL); error = mlx4_en_get_module_info(dev, &modinfo); if (error) { en_err(priv, "mlx4_en_get_module_info returned with error - FAILED (0x%x)\n", -error); goto out; } ee.len = modinfo.eeprom_len; ee.offset = 0; error = mlx4_en_get_module_eeprom(dev, &ee, data); if (error) { en_err(priv, "mlx4_en_get_module_eeprom returned with error - FAILED (0x%x)\n", -error); /* Continue printing partial information in case of an error */ } /* EEPROM information will be printed in dmesg */ mlx4_en_print_eeprom(data, ee.len); out: kfree(data); } /* Return zero to prevent sysctl failure. */ return (0); } static int mlx4_en_set_tx_ppp(SYSCTL_HANDLER_ARGS) { struct mlx4_en_priv *priv; int ppp; int error; priv = arg1; ppp = priv->prof->tx_ppp; error = sysctl_handle_int(oidp, &ppp, 0, req); if (error || !req->newptr) return (error); if (ppp > 0xff || ppp < 0) return (-EINVAL); priv->prof->tx_ppp = ppp; error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port, priv->rx_mb_size + ETHER_CRC_LEN, priv->prof->tx_pause, priv->prof->tx_ppp, priv->prof->rx_pause, priv->prof->rx_ppp); return (error); } static int mlx4_en_set_rx_ppp(SYSCTL_HANDLER_ARGS) { struct mlx4_en_priv *priv; struct mlx4_en_dev *mdev; int ppp; int error; int port_up; port_up = 0; priv = arg1; mdev = priv->mdev; ppp = priv->prof->rx_ppp; error = sysctl_handle_int(oidp, &ppp, 0, req); if (error || !req->newptr) return (error); if (ppp > 0xff || ppp < 0) return (-EINVAL); /* See if we have to change the number of tx queues. */ if (!ppp != !priv->prof->rx_ppp) { mutex_lock(&mdev->state_lock); if (priv->port_up) { port_up = 1; mlx4_en_stop_port(priv->dev); } mlx4_en_free_resources(priv); priv->prof->rx_ppp = ppp; error = -mlx4_en_alloc_resources(priv); if (error) en_err(priv, "Failed reallocating port resources\n"); if (error == 0 && port_up) { error = -mlx4_en_start_port(priv->dev); if (error) en_err(priv, "Failed starting port\n"); } mutex_unlock(&mdev->state_lock); return (error); } priv->prof->rx_ppp = ppp; error = -mlx4_SET_PORT_general(priv->mdev->dev, priv->port, priv->rx_mb_size + ETHER_CRC_LEN, priv->prof->tx_pause, priv->prof->tx_ppp, priv->prof->rx_pause, priv->prof->rx_ppp); return (error); } static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv) { struct ifnet *dev; struct sysctl_ctx_list *ctx; struct sysctl_oid *node; struct sysctl_oid_list *node_list; struct sysctl_oid *coal; struct sysctl_oid_list *coal_list; const char *pnameunit; dev = priv->dev; ctx = &priv->conf_ctx; pnameunit = device_get_nameunit(priv->mdev->pdev->dev.bsddev); sysctl_ctx_init(ctx); priv->conf_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO, dev->if_xname, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "mlx4 10gig ethernet"); node = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO, "conf", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Configuration"); node_list = SYSCTL_CHILDREN(node); SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "msg_enable", CTLFLAG_RW, &priv->msg_enable, 0, "Driver message enable bitfield"); SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_rings", CTLFLAG_RD, &priv->rx_ring_num, 0, "Number of receive rings"); SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_rings", CTLFLAG_RD, &priv->tx_ring_num, 0, "Number of transmit rings"); SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_size", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, mlx4_en_set_rx_ring_size, "I", "Receive ring size"); SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_size", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, mlx4_en_set_tx_ring_size, "I", "Transmit ring size"); SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "tx_ppp", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, mlx4_en_set_tx_ppp, "I", "TX Per-priority pause"); SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "rx_ppp", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, mlx4_en_set_rx_ppp, "I", "RX Per-priority pause"); SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "port_num", CTLFLAG_RD, &priv->port, 0, "Port Number"); SYSCTL_ADD_STRING(ctx, node_list, OID_AUTO, "device_name", CTLFLAG_RD, __DECONST(void *, pnameunit), 0, "PCI device name"); /* Add coalescer configuration. */ coal = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, "coalesce", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Interrupt coalesce configuration"); coal_list = SYSCTL_CHILDREN(coal); SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_low", CTLFLAG_RW, &priv->pkt_rate_low, 0, "Packets per-second for minimum delay"); SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_low", CTLFLAG_RW, &priv->rx_usecs_low, 0, "Minimum RX delay in micro-seconds"); SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "pkt_rate_high", CTLFLAG_RW, &priv->pkt_rate_high, 0, "Packets per-second for maximum delay"); SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "rx_usecs_high", CTLFLAG_RW, &priv->rx_usecs_high, 0, "Maximum RX delay in micro-seconds"); SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "sample_interval", CTLFLAG_RW, &priv->sample_interval, 0, "adaptive frequency in units of HZ ticks"); SYSCTL_ADD_UINT(ctx, coal_list, OID_AUTO, "adaptive_rx_coal", CTLFLAG_RW, &priv->adaptive_rx_coal, 0, "Enable adaptive rx coalescing"); /* EEPROM support */ SYSCTL_ADD_PROC(ctx, node_list, OID_AUTO, "eeprom_info", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, priv, 0, mlx4_en_read_eeprom, "I", "EEPROM information"); } static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv) { struct sysctl_ctx_list *ctx; struct sysctl_oid_list *node_list; struct sysctl_oid *ring_node; struct sysctl_oid_list *ring_list; struct mlx4_en_tx_ring *tx_ring; struct mlx4_en_rx_ring *rx_ring; char namebuf[128]; int i; ctx = &priv->stat_ctx; sysctl_ctx_init(ctx); priv->stat_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO, "stat", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Statistics"); node_list = SYSCTL_CHILDREN(priv->stat_sysctl); #ifdef MLX4_EN_PERF_STAT SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_poll", CTLFLAG_RD, &priv->pstats.tx_poll, "TX Poll calls"); SYSCTL_ADD_QUAD(ctx, node_list, OID_AUTO, "tx_pktsz_avg", CTLFLAG_RD, &priv->pstats.tx_pktsz_avg, "TX average packet size"); SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "inflight_avg", CTLFLAG_RD, &priv->pstats.inflight_avg, "TX average packets in-flight"); SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "tx_coal_avg", CTLFLAG_RD, &priv->pstats.tx_coal_avg, "TX average coalesced completions"); SYSCTL_ADD_UINT(ctx, node_list, OID_AUTO, "rx_coal_avg", CTLFLAG_RD, &priv->pstats.rx_coal_avg, "RX average coalesced completions"); #endif SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tso_packets", CTLFLAG_RD, &priv->port_stats.tso_packets, 0, "TSO packets sent"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "queue_stopped", CTLFLAG_RD, &priv->port_stats.queue_stopped, 0, "Queue full"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "wake_queue", CTLFLAG_RD, &priv->port_stats.wake_queue, 0, "Queue resumed after full"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_timeout", CTLFLAG_RD, &priv->port_stats.tx_timeout, 0, "Transmit timeouts"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_oversized_packets", CTLFLAG_RD, &priv->port_stats.oversized_packets, 0, "TX oversized packets, m_defrag failed"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_alloc_failed", CTLFLAG_RD, &priv->port_stats.rx_alloc_failed, 0, "RX failed to allocate mbuf"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_chksum_good", CTLFLAG_RD, &priv->port_stats.rx_chksum_good, 0, "RX checksum offload success"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_chksum_none", CTLFLAG_RD, &priv->port_stats.rx_chksum_none, 0, "RX without checksum offload"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_chksum_offload", CTLFLAG_RD, &priv->port_stats.tx_chksum_offload, 0, "TX checksum offloads"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "defrag_attempts", CTLFLAG_RD, &priv->port_stats.defrag_attempts, 0, "Oversized chains defragged"); /* Could strdup the names and add in a loop. This is simpler. */ SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_bytes", CTLFLAG_RD, &priv->pkstats.rx_bytes, 0, "RX Bytes"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_packets", CTLFLAG_RD, &priv->pkstats.rx_packets, 0, "RX packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_multicast_packets", CTLFLAG_RD, &priv->pkstats.rx_multicast_packets, 0, "RX Multicast Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_broadcast_packets", CTLFLAG_RD, &priv->pkstats.rx_broadcast_packets, 0, "RX Broadcast Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_errors", CTLFLAG_RD, &priv->pkstats.rx_errors, 0, "RX Errors"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_dropped", CTLFLAG_RD, &priv->pkstats.rx_dropped, 0, "RX Dropped"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_length_errors", CTLFLAG_RD, &priv->pkstats.rx_length_errors, 0, "RX Length Errors"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_over_errors", CTLFLAG_RD, &priv->pkstats.rx_over_errors, 0, "RX Over Errors"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_crc_errors", CTLFLAG_RD, &priv->pkstats.rx_crc_errors, 0, "RX CRC Errors"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_jabbers", CTLFLAG_RD, &priv->pkstats.rx_jabbers, 0, "RX Jabbers"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_in_range_length_error", CTLFLAG_RD, &priv->pkstats.rx_in_range_length_error, 0, "RX IN_Range Length Error"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_out_range_length_error", CTLFLAG_RD, &priv->pkstats.rx_out_range_length_error, 0, "RX Out Range Length Error"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_lt_64_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_lt_64_bytes_packets, 0, "RX Lt 64 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_127_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_127_bytes_packets, 0, "RX 127 bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_255_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_255_bytes_packets, 0, "RX 255 bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_511_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_511_bytes_packets, 0, "RX 511 bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1023_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_1023_bytes_packets, 0, "RX 1023 bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1518_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_1518_bytes_packets, 0, "RX 1518 bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1522_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_1522_bytes_packets, 0, "RX 1522 bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_1548_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_1548_bytes_packets, 0, "RX 1548 bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "rx_gt_1548_bytes_packets", CTLFLAG_RD, &priv->pkstats.rx_gt_1548_bytes_packets, 0, "RX Greater Then 1548 bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_packets", CTLFLAG_RD, &priv->pkstats.tx_packets, 0, "TX packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_bytes", CTLFLAG_RD, &priv->pkstats.tx_bytes, 0, "TX Bytes"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_multicast_packets", CTLFLAG_RD, &priv->pkstats.tx_multicast_packets, 0, "TX Multicast Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_broadcast_packets", CTLFLAG_RD, &priv->pkstats.tx_broadcast_packets, 0, "TX Broadcast Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_errors", CTLFLAG_RD, &priv->pkstats.tx_errors, 0, "TX Errors"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_dropped", CTLFLAG_RD, &priv->pkstats.tx_dropped, 0, "TX Dropped"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_lt_64_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_lt_64_bytes_packets, 0, "TX Less Then 64 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_127_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_127_bytes_packets, 0, "TX 127 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_255_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_255_bytes_packets, 0, "TX 255 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_511_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_511_bytes_packets, 0, "TX 511 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1023_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_1023_bytes_packets, 0, "TX 1023 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1518_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_1518_bytes_packets, 0, "TX 1518 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1522_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_1522_bytes_packets, 0, "TX 1522 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_1548_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_1548_bytes_packets, 0, "TX 1548 Bytes Packets"); SYSCTL_ADD_U64(ctx, node_list, OID_AUTO, "tx_gt_1548_bytes_packets", CTLFLAG_RD, &priv->pkstats.tx_gt_1548_bytes_packets, 0, "TX Greater Then 1548 Bytes Packets"); for (i = 0; i < priv->tx_ring_num; i++) { tx_ring = priv->tx_ring[i]; snprintf(namebuf, sizeof(namebuf), "tx_ring%d", i); ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "TX Ring"); ring_list = SYSCTL_CHILDREN(ring_node); SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "packets", CTLFLAG_RD, &tx_ring->packets, 0, "TX packets"); SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "bytes", CTLFLAG_RD, &tx_ring->bytes, 0, "TX bytes"); SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "tso_packets", CTLFLAG_RD, &tx_ring->tso_packets, 0, "TSO packets"); SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "defrag_attempts", CTLFLAG_RD, &tx_ring->defrag_attempts, 0, "Oversized chains defragged"); } for (i = 0; i < priv->rx_ring_num; i++) { rx_ring = priv->rx_ring[i]; snprintf(namebuf, sizeof(namebuf), "rx_ring%d", i); ring_node = SYSCTL_ADD_NODE(ctx, node_list, OID_AUTO, namebuf, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "RX Ring"); ring_list = SYSCTL_CHILDREN(ring_node); SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "packets", CTLFLAG_RD, &rx_ring->packets, 0, "RX packets"); SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "bytes", CTLFLAG_RD, &rx_ring->bytes, 0, "RX bytes"); SYSCTL_ADD_U64(ctx, ring_list, OID_AUTO, "error", CTLFLAG_RD, &rx_ring->errors, 0, "RX soft errors"); } } #ifdef DEBUGNET static void mlx4_en_debugnet_init(struct ifnet *dev, int *nrxr, int *ncl, int *clsize) { struct mlx4_en_priv *priv; priv = if_getsoftc(dev); mutex_lock(&priv->mdev->state_lock); *nrxr = priv->rx_ring_num; *ncl = DEBUGNET_MAX_IN_FLIGHT; *clsize = MCLBYTES; mutex_unlock(&priv->mdev->state_lock); } static void mlx4_en_debugnet_event(struct ifnet *dev, enum debugnet_ev event) { } static int mlx4_en_debugnet_transmit(struct ifnet *dev, struct mbuf *m) { struct mlx4_en_priv *priv; int err; priv = if_getsoftc(dev); if ((if_getdrvflags(dev) & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != IFF_DRV_RUNNING || !priv->link_state) return (ENOENT); err = mlx4_en_xmit(priv, 0, &m); if (err != 0 && m != NULL) m_freem(m); return (err); } static int mlx4_en_debugnet_poll(struct ifnet *dev, int count) { struct mlx4_en_priv *priv; priv = if_getsoftc(dev); if ((if_getdrvflags(dev) & IFF_DRV_RUNNING) == 0 || !priv->link_state) return (ENOENT); mlx4_poll_interrupts(priv->mdev->dev); return (0); } #endif /* DEBUGNET */