diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/mcg.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mcg.c | 613 |
1 files changed, 520 insertions, 93 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index ca574d850b3..4c36def8e10 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -39,22 +39,11 @@ #include "mlx4.h" -#define MGM_QPN_MASK 0x00FFFFFF -#define MGM_BLCK_LB_BIT 30 - static const u8 zero_gid[16]; /* automatically initialized to 0 */ -struct mlx4_mgm { - __be32 next_gid_index; - __be32 members_count; - u32 reserved[2]; - u8 gid[16]; - __be32 qp[MLX4_MAX_QP_PER_MGM]; -}; - int mlx4_get_mgm_entry_size(struct mlx4_dev *dev) { - return min((1 << mlx4_log_num_mgm_entry_size), MLX4_MAX_MGM_ENTRY_SIZE); + return 1 << dev->oper_log_mgm_entry_size; } int mlx4_get_qp_per_mgm(struct mlx4_dev *dev) @@ -62,6 +51,35 @@ int mlx4_get_qp_per_mgm(struct mlx4_dev *dev) return 4 * (mlx4_get_mgm_entry_size(dev) / 16 - 2); } +static int mlx4_QP_FLOW_STEERING_ATTACH(struct mlx4_dev *dev, + struct mlx4_cmd_mailbox *mailbox, + u32 size, + u64 *reg_id) +{ + u64 imm; + int err = 0; + + err = mlx4_cmd_imm(dev, mailbox->dma, &imm, size, 0, + MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, + MLX4_CMD_NATIVE); + if (err) + return err; + *reg_id = imm; + + return err; +} + +static int mlx4_QP_FLOW_STEERING_DETACH(struct mlx4_dev *dev, u64 regid) +{ + int err = 0; + + err = mlx4_cmd(dev, regid, 0, 0, + MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, + MLX4_CMD_NATIVE); + + return err; +} + static int mlx4_READ_ENTRY(struct mlx4_dev *dev, int index, struct mlx4_cmd_mailbox *mailbox) { @@ -103,13 +121,18 @@ static int mlx4_GID_HASH(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, return err; } -static struct mlx4_promisc_qp *get_promisc_qp(struct mlx4_dev *dev, u8 pf_num, +static struct mlx4_promisc_qp *get_promisc_qp(struct mlx4_dev *dev, u8 port, enum mlx4_steer_type steer, u32 qpn) { - struct mlx4_steer *s_steer = &mlx4_priv(dev)->steer[pf_num]; + struct mlx4_steer *s_steer; struct mlx4_promisc_qp *pqp; + if (port < 1 || port > dev->caps.num_ports) + return NULL; + + s_steer = &mlx4_priv(dev)->steer[port - 1]; + list_for_each_entry(pqp, &s_steer->promisc_qps[steer], list) { if (pqp->qpn == qpn) return pqp; @@ -136,6 +159,9 @@ static int new_steering_entry(struct mlx4_dev *dev, u8 port, u32 prot; int err; + if (port < 1 || port > dev->caps.num_ports) + return -EINVAL; + s_steer = &mlx4_priv(dev)->steer[port - 1]; new_entry = kzalloc(sizeof *new_entry, GFP_KERNEL); if (!new_entry) @@ -148,7 +174,7 @@ static int new_steering_entry(struct mlx4_dev *dev, u8 port, /* If the given qpn is also a promisc qp, * it should be inserted to duplicates list */ - pqp = get_promisc_qp(dev, 0, steer, qpn); + pqp = get_promisc_qp(dev, port, steer, qpn); if (pqp) { dqp = kmalloc(sizeof *dqp, GFP_KERNEL); if (!dqp) { @@ -220,9 +246,12 @@ static int existing_steering_entry(struct mlx4_dev *dev, u8 port, struct mlx4_promisc_qp *pqp; struct mlx4_promisc_qp *dqp; + if (port < 1 || port > dev->caps.num_ports) + return -EINVAL; + s_steer = &mlx4_priv(dev)->steer[port - 1]; - pqp = get_promisc_qp(dev, 0, steer, qpn); + pqp = get_promisc_qp(dev, port, steer, qpn); if (!pqp) return 0; /* nothing to do */ @@ -265,10 +294,13 @@ static bool check_duplicate_entry(struct mlx4_dev *dev, u8 port, struct mlx4_steer_index *tmp_entry, *entry = NULL; struct mlx4_promisc_qp *dqp, *tmp_dqp; + if (port < 1 || port > dev->caps.num_ports) + return NULL; + s_steer = &mlx4_priv(dev)->steer[port - 1]; /* if qp is not promisc, it cannot be duplicated */ - if (!get_promisc_qp(dev, 0, steer, qpn)) + if (!get_promisc_qp(dev, port, steer, qpn)) return false; /* The qp is promisc qp so it is a duplicate on this index @@ -306,6 +338,9 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port, bool ret = false; int i; + if (port < 1 || port > dev->caps.num_ports) + return NULL; + s_steer = &mlx4_priv(dev)->steer[port - 1]; mailbox = mlx4_alloc_cmd_mailbox(dev); @@ -318,7 +353,7 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port, 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; - if (!get_promisc_qp(dev, 0, steer, qpn) && qpn != tqpn) { + if (!get_promisc_qp(dev, port, steer, qpn) && qpn != tqpn) { /* the qp is not promisc, the entry can't be removed */ goto out; } @@ -357,15 +392,17 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port, u32 prot; int i; bool found; - int last_index; int err; struct mlx4_priv *priv = mlx4_priv(dev); + if (port < 1 || port > dev->caps.num_ports) + return -EINVAL; + s_steer = &mlx4_priv(dev)->steer[port - 1]; mutex_lock(&priv->mcg_table.mutex); - if (get_promisc_qp(dev, 0, steer, qpn)) { + if (get_promisc_qp(dev, port, steer, qpn)) { err = 0; /* Noting to do, already exists */ goto out_mutex; } @@ -399,8 +436,10 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port, 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) + if (!dqp) { + err = -ENOMEM; goto out_mailbox; + } dqp->qpn = qpn; list_add_tail(&dqp->list, &entry->duplicates); found = true; @@ -419,7 +458,6 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port, if (err) goto out_mailbox; } - last_index = entry->index; } /* add the new qpn to list of promisc qps */ @@ -466,10 +504,13 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 port, int loc, i; int err; + if (port < 1 || port > dev->caps.num_ports) + return -EINVAL; + s_steer = &mlx4_priv(dev)->steer[port - 1]; mutex_lock(&priv->mcg_table.mutex); - pqp = get_promisc_qp(dev, 0, steer, qpn); + pqp = get_promisc_qp(dev, port, steer, qpn); if (unlikely(!pqp)) { mlx4_warn(dev, "QP %x is not promiscuous QP\n", qpn); /* nothing to do */ @@ -488,7 +529,6 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 port, goto out_list; } mgm = mailbox->buf; - memset(mgm, 0, sizeof *mgm); members_count = 0; list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list) mgm->qp[members_count++] = cpu_to_be32(dqp->qpn & MGM_QPN_MASK); @@ -562,14 +602,14 @@ out_mutex: */ static int find_entry(struct mlx4_dev *dev, u8 port, u8 *gid, enum mlx4_protocol prot, - enum mlx4_steer_type steer, struct mlx4_cmd_mailbox *mgm_mailbox, - u16 *hash, int *prev, int *index) + int *prev, int *index) { struct mlx4_cmd_mailbox *mailbox; struct mlx4_mgm *mgm = mgm_mailbox->buf; u8 *mgid; int err; + u16 hash; u8 op_mod = (prot == MLX4_PROT_ETH) ? !!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) : 0; @@ -580,15 +620,15 @@ static int find_entry(struct mlx4_dev *dev, u8 port, memcpy(mgid, gid, 16); - err = mlx4_GID_HASH(dev, mailbox, hash, op_mod); + err = mlx4_GID_HASH(dev, mailbox, &hash, op_mod); mlx4_free_cmd_mailbox(dev, mailbox); if (err) return err; if (0) - mlx4_dbg(dev, "Hash for %pI6 is %04x\n", gid, *hash); + mlx4_dbg(dev, "Hash for %pI6 is %04x\n", gid, hash); - *index = *hash; + *index = hash; *prev = -1; do { @@ -597,8 +637,8 @@ static int find_entry(struct mlx4_dev *dev, u8 port, return err; if (!(be32_to_cpu(mgm->members_count) & 0xffffff)) { - if (*index != *hash) { - mlx4_err(dev, "Found zero MGID in AMGM.\n"); + if (*index != hash) { + mlx4_err(dev, "Found zero MGID in AMGM\n"); err = -EINVAL; } return err; @@ -616,6 +656,295 @@ static int find_entry(struct mlx4_dev *dev, u8 port, return err; } +static const u8 __promisc_mode[] = { + [MLX4_FS_REGULAR] = 0x0, + [MLX4_FS_ALL_DEFAULT] = 0x1, + [MLX4_FS_MC_DEFAULT] = 0x3, + [MLX4_FS_UC_SNIFFER] = 0x4, + [MLX4_FS_MC_SNIFFER] = 0x5, +}; + +int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev, + enum mlx4_net_trans_promisc_mode flow_type) +{ + if (flow_type >= MLX4_FS_MODE_NUM) { + mlx4_err(dev, "Invalid flow type. type = %d\n", flow_type); + return -EINVAL; + } + return __promisc_mode[flow_type]; +} +EXPORT_SYMBOL_GPL(mlx4_map_sw_to_hw_steering_mode); + +static void trans_rule_ctrl_to_hw(struct mlx4_net_trans_rule *ctrl, + struct mlx4_net_trans_rule_hw_ctrl *hw) +{ + u8 flags = 0; + + flags = ctrl->queue_mode == MLX4_NET_TRANS_Q_LIFO ? 1 : 0; + flags |= ctrl->exclusive ? (1 << 2) : 0; + flags |= ctrl->allow_loopback ? (1 << 3) : 0; + + hw->flags = flags; + hw->type = __promisc_mode[ctrl->promisc_mode]; + hw->prio = cpu_to_be16(ctrl->priority); + hw->port = ctrl->port; + hw->qpn = cpu_to_be32(ctrl->qpn); +} + +const u16 __sw_id_hw[] = { + [MLX4_NET_TRANS_RULE_ID_ETH] = 0xE001, + [MLX4_NET_TRANS_RULE_ID_IB] = 0xE005, + [MLX4_NET_TRANS_RULE_ID_IPV6] = 0xE003, + [MLX4_NET_TRANS_RULE_ID_IPV4] = 0xE002, + [MLX4_NET_TRANS_RULE_ID_TCP] = 0xE004, + [MLX4_NET_TRANS_RULE_ID_UDP] = 0xE006, + [MLX4_NET_TRANS_RULE_ID_VXLAN] = 0xE008 +}; + +int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev, + enum mlx4_net_trans_rule_id id) +{ + if (id >= MLX4_NET_TRANS_RULE_NUM) { + mlx4_err(dev, "Invalid network rule id. id = %d\n", id); + return -EINVAL; + } + return __sw_id_hw[id]; +} +EXPORT_SYMBOL_GPL(mlx4_map_sw_to_hw_steering_id); + +static const int __rule_hw_sz[] = { + [MLX4_NET_TRANS_RULE_ID_ETH] = + sizeof(struct mlx4_net_trans_rule_hw_eth), + [MLX4_NET_TRANS_RULE_ID_IB] = + sizeof(struct mlx4_net_trans_rule_hw_ib), + [MLX4_NET_TRANS_RULE_ID_IPV6] = 0, + [MLX4_NET_TRANS_RULE_ID_IPV4] = + sizeof(struct mlx4_net_trans_rule_hw_ipv4), + [MLX4_NET_TRANS_RULE_ID_TCP] = + sizeof(struct mlx4_net_trans_rule_hw_tcp_udp), + [MLX4_NET_TRANS_RULE_ID_UDP] = + sizeof(struct mlx4_net_trans_rule_hw_tcp_udp), + [MLX4_NET_TRANS_RULE_ID_VXLAN] = + sizeof(struct mlx4_net_trans_rule_hw_vxlan) +}; + +int mlx4_hw_rule_sz(struct mlx4_dev *dev, + enum mlx4_net_trans_rule_id id) +{ + if (id >= MLX4_NET_TRANS_RULE_NUM) { + mlx4_err(dev, "Invalid network rule id. id = %d\n", id); + return -EINVAL; + } + + return __rule_hw_sz[id]; +} +EXPORT_SYMBOL_GPL(mlx4_hw_rule_sz); + +static int parse_trans_rule(struct mlx4_dev *dev, struct mlx4_spec_list *spec, + struct _rule_hw *rule_hw) +{ + if (mlx4_hw_rule_sz(dev, spec->id) < 0) + return -EINVAL; + memset(rule_hw, 0, mlx4_hw_rule_sz(dev, spec->id)); + rule_hw->id = cpu_to_be16(__sw_id_hw[spec->id]); + rule_hw->size = mlx4_hw_rule_sz(dev, spec->id) >> 2; + + switch (spec->id) { + case MLX4_NET_TRANS_RULE_ID_ETH: + memcpy(rule_hw->eth.dst_mac, spec->eth.dst_mac, ETH_ALEN); + memcpy(rule_hw->eth.dst_mac_msk, spec->eth.dst_mac_msk, + ETH_ALEN); + memcpy(rule_hw->eth.src_mac, spec->eth.src_mac, ETH_ALEN); + memcpy(rule_hw->eth.src_mac_msk, spec->eth.src_mac_msk, + ETH_ALEN); + if (spec->eth.ether_type_enable) { + rule_hw->eth.ether_type_enable = 1; + rule_hw->eth.ether_type = spec->eth.ether_type; + } + rule_hw->eth.vlan_tag = spec->eth.vlan_id; + rule_hw->eth.vlan_tag_msk = spec->eth.vlan_id_msk; + break; + + case MLX4_NET_TRANS_RULE_ID_IB: + rule_hw->ib.l3_qpn = spec->ib.l3_qpn; + rule_hw->ib.qpn_mask = spec->ib.qpn_msk; + memcpy(&rule_hw->ib.dst_gid, &spec->ib.dst_gid, 16); + memcpy(&rule_hw->ib.dst_gid_msk, &spec->ib.dst_gid_msk, 16); + break; + + case MLX4_NET_TRANS_RULE_ID_IPV6: + return -EOPNOTSUPP; + + case MLX4_NET_TRANS_RULE_ID_IPV4: + rule_hw->ipv4.src_ip = spec->ipv4.src_ip; + rule_hw->ipv4.src_ip_msk = spec->ipv4.src_ip_msk; + rule_hw->ipv4.dst_ip = spec->ipv4.dst_ip; + rule_hw->ipv4.dst_ip_msk = spec->ipv4.dst_ip_msk; + break; + + case MLX4_NET_TRANS_RULE_ID_TCP: + case MLX4_NET_TRANS_RULE_ID_UDP: + rule_hw->tcp_udp.dst_port = spec->tcp_udp.dst_port; + rule_hw->tcp_udp.dst_port_msk = spec->tcp_udp.dst_port_msk; + rule_hw->tcp_udp.src_port = spec->tcp_udp.src_port; + rule_hw->tcp_udp.src_port_msk = spec->tcp_udp.src_port_msk; + break; + + case MLX4_NET_TRANS_RULE_ID_VXLAN: + rule_hw->vxlan.vni = + cpu_to_be32(be32_to_cpu(spec->vxlan.vni) << 8); + rule_hw->vxlan.vni_mask = + cpu_to_be32(be32_to_cpu(spec->vxlan.vni_mask) << 8); + break; + + default: + return -EINVAL; + } + + return __rule_hw_sz[spec->id]; +} + +static void mlx4_err_rule(struct mlx4_dev *dev, char *str, + struct mlx4_net_trans_rule *rule) +{ +#define BUF_SIZE 256 + struct mlx4_spec_list *cur; + char buf[BUF_SIZE]; + int len = 0; + + mlx4_err(dev, "%s", str); + len += snprintf(buf + len, BUF_SIZE - len, + "port = %d prio = 0x%x qp = 0x%x ", + rule->port, rule->priority, rule->qpn); + + list_for_each_entry(cur, &rule->list, list) { + switch (cur->id) { + case MLX4_NET_TRANS_RULE_ID_ETH: + len += snprintf(buf + len, BUF_SIZE - len, + "dmac = %pM ", &cur->eth.dst_mac); + if (cur->eth.ether_type) + len += snprintf(buf + len, BUF_SIZE - len, + "ethertype = 0x%x ", + be16_to_cpu(cur->eth.ether_type)); + if (cur->eth.vlan_id) + len += snprintf(buf + len, BUF_SIZE - len, + "vlan-id = %d ", + be16_to_cpu(cur->eth.vlan_id)); + break; + + case MLX4_NET_TRANS_RULE_ID_IPV4: + if (cur->ipv4.src_ip) + len += snprintf(buf + len, BUF_SIZE - len, + "src-ip = %pI4 ", + &cur->ipv4.src_ip); + if (cur->ipv4.dst_ip) + len += snprintf(buf + len, BUF_SIZE - len, + "dst-ip = %pI4 ", + &cur->ipv4.dst_ip); + break; + + case MLX4_NET_TRANS_RULE_ID_TCP: + case MLX4_NET_TRANS_RULE_ID_UDP: + if (cur->tcp_udp.src_port) + len += snprintf(buf + len, BUF_SIZE - len, + "src-port = %d ", + be16_to_cpu(cur->tcp_udp.src_port)); + if (cur->tcp_udp.dst_port) + len += snprintf(buf + len, BUF_SIZE - len, + "dst-port = %d ", + be16_to_cpu(cur->tcp_udp.dst_port)); + break; + + case MLX4_NET_TRANS_RULE_ID_IB: + len += snprintf(buf + len, BUF_SIZE - len, + "dst-gid = %pI6\n", cur->ib.dst_gid); + len += snprintf(buf + len, BUF_SIZE - len, + "dst-gid-mask = %pI6\n", + cur->ib.dst_gid_msk); + break; + + case MLX4_NET_TRANS_RULE_ID_IPV6: + break; + + default: + break; + } + } + len += snprintf(buf + len, BUF_SIZE - len, "\n"); + mlx4_err(dev, "%s", buf); + + if (len >= BUF_SIZE) + mlx4_err(dev, "Network rule error message was truncated, print buffer is too small\n"); +} + +int mlx4_flow_attach(struct mlx4_dev *dev, + struct mlx4_net_trans_rule *rule, u64 *reg_id) +{ + struct mlx4_cmd_mailbox *mailbox; + struct mlx4_spec_list *cur; + u32 size = 0; + int ret; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + trans_rule_ctrl_to_hw(rule, mailbox->buf); + + size += sizeof(struct mlx4_net_trans_rule_hw_ctrl); + + list_for_each_entry(cur, &rule->list, list) { + ret = parse_trans_rule(dev, cur, mailbox->buf + size); + if (ret < 0) { + mlx4_free_cmd_mailbox(dev, mailbox); + return ret; + } + size += ret; + } + + ret = mlx4_QP_FLOW_STEERING_ATTACH(dev, mailbox, size >> 2, reg_id); + if (ret == -ENOMEM) + mlx4_err_rule(dev, + "mcg table is full. Fail to register network rule\n", + rule); + else if (ret) + mlx4_err_rule(dev, "Fail to register network rule\n", rule); + + mlx4_free_cmd_mailbox(dev, mailbox); + + return ret; +} +EXPORT_SYMBOL_GPL(mlx4_flow_attach); + +int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id) +{ + int err; + + err = mlx4_QP_FLOW_STEERING_DETACH(dev, reg_id); + if (err) + mlx4_err(dev, "Fail to detach network rule. registration id = 0x%llx\n", + reg_id); + return err; +} +EXPORT_SYMBOL_GPL(mlx4_flow_detach); + +int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn, + u32 max_range_qpn) +{ + int err; + u64 in_param; + + in_param = ((u64) min_range_qpn) << 32; + in_param |= ((u64) max_range_qpn) & 0xFFFFFFFF; + + err = mlx4_cmd(dev, in_param, 0, 0, + MLX4_FLOW_STEERING_IB_UC_QP_RANGE, + MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); + + return err; +} +EXPORT_SYMBOL_GPL(mlx4_FLOW_STEERING_IB_UC_QP_RANGE); + int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], int block_mcast_loopback, enum mlx4_protocol prot, enum mlx4_steer_type steer) @@ -624,7 +953,6 @@ int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], struct mlx4_cmd_mailbox *mailbox; struct mlx4_mgm *mgm; u32 members_count; - u16 hash; int index, prev; int link = 0; int i; @@ -638,8 +966,8 @@ int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], mgm = mailbox->buf; mutex_lock(&priv->mcg_table.mutex); - err = find_entry(dev, port, gid, prot, steer, - mailbox, &hash, &prev, &index); + err = find_entry(dev, port, gid, prot, + mailbox, &prev, &index); if (err) goto out; @@ -666,7 +994,7 @@ int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], members_count = be32_to_cpu(mgm->members_count) & 0xffffff; if (members_count == dev->caps.num_qp_per_mgm) { - mlx4_err(dev, "MGM at index %x is full.\n", index); + mlx4_err(dev, "MGM at index %x is full\n", index); err = -ENOMEM; goto out; } @@ -714,11 +1042,11 @@ out: } if (err && link && index != -1) { if (index < dev->caps.num_mgms) - mlx4_warn(dev, "Got AMGM index %d < %d", + mlx4_warn(dev, "Got AMGM index %d < %d\n", index, dev->caps.num_mgms); else mlx4_bitmap_free(&priv->mcg_table.bitmap, - index - dev->caps.num_mgms); + index - dev->caps.num_mgms, MLX4_USE_RR); } mutex_unlock(&priv->mcg_table.mutex); @@ -733,7 +1061,6 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], struct mlx4_cmd_mailbox *mailbox; struct mlx4_mgm *mgm; u32 members_count; - u16 hash; int prev, index; int i, loc; int err; @@ -747,8 +1074,8 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], mutex_lock(&priv->mcg_table.mutex); - err = find_entry(dev, port, gid, prot, steer, - mailbox, &hash, &prev, &index); + err = find_entry(dev, port, gid, prot, + mailbox, &prev, &index); if (err) goto out; @@ -806,11 +1133,11 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], if (amgm_index) { if (amgm_index < dev->caps.num_mgms) - mlx4_warn(dev, "MGM entry %d had AMGM index %d < %d", + mlx4_warn(dev, "MGM entry %d had AMGM index %d < %d\n", index, amgm_index, dev->caps.num_mgms); else mlx4_bitmap_free(&priv->mcg_table.bitmap, - amgm_index - dev->caps.num_mgms); + amgm_index - dev->caps.num_mgms, MLX4_USE_RR); } } else { /* Remove entry from AMGM */ @@ -826,11 +1153,11 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], goto out; if (index < dev->caps.num_mgms) - mlx4_warn(dev, "entry %d had next AMGM index %d < %d", + mlx4_warn(dev, "entry %d had next AMGM index %d < %d\n", prev, index, dev->caps.num_mgms); else mlx4_bitmap_free(&priv->mcg_table.bitmap, - index - dev->caps.num_mgms); + index - dev->caps.num_mgms, MLX4_USE_RR); } out: @@ -869,58 +1196,165 @@ static int mlx4_QP_ATTACH(struct mlx4_dev *dev, struct mlx4_qp *qp, return err; } -int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], - int block_mcast_loopback, enum mlx4_protocol prot) +int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, + u8 gid[16], u8 port, + int block_mcast_loopback, + enum mlx4_protocol prot, u64 *reg_id) { - enum mlx4_steer_type steer; - - steer = (is_valid_ether_addr(&gid[10])) ? MLX4_UC_STEER : MLX4_MC_STEER; - - if (prot == MLX4_PROT_ETH && - !(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)) - return 0; + struct mlx4_spec_list spec = { {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, + .promisc_mode = MLX4_FS_REGULAR, + .priority = MLX4_DOMAIN_NIC, + }; + + rule.allow_loopback = !block_mcast_loopback; + rule.port = port; + rule.qpn = qp->qpn; + INIT_LIST_HEAD(&rule.list); + + switch (prot) { + case MLX4_PROT_ETH: + spec.id = MLX4_NET_TRANS_RULE_ID_ETH; + memcpy(spec.eth.dst_mac, &gid[10], ETH_ALEN); + memcpy(spec.eth.dst_mac_msk, &mac_mask, ETH_ALEN); + break; - if (prot == MLX4_PROT_ETH) - gid[7] |= (steer << 1); + case MLX4_PROT_IB_IPV6: + spec.id = MLX4_NET_TRANS_RULE_ID_IB; + memcpy(spec.ib.dst_gid, gid, 16); + memset(&spec.ib.dst_gid_msk, 0xff, 16); + break; + default: + return -EINVAL; + } + list_add_tail(&spec.list, &rule.list); - if (mlx4_is_mfunc(dev)) - return mlx4_QP_ATTACH(dev, qp, gid, 1, - block_mcast_loopback, prot); + return mlx4_flow_attach(dev, &rule, reg_id); +} - return mlx4_qp_attach_common(dev, qp, gid, block_mcast_loopback, - prot, steer); +int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], + u8 port, int block_mcast_loopback, + enum mlx4_protocol prot, u64 *reg_id) +{ + switch (dev->caps.steering_mode) { + case MLX4_STEERING_MODE_A0: + if (prot == MLX4_PROT_ETH) + return 0; + + case MLX4_STEERING_MODE_B0: + if (prot == MLX4_PROT_ETH) + gid[7] |= (MLX4_MC_STEER << 1); + + if (mlx4_is_mfunc(dev)) + return mlx4_QP_ATTACH(dev, qp, gid, 1, + block_mcast_loopback, prot); + return mlx4_qp_attach_common(dev, qp, gid, + block_mcast_loopback, prot, + MLX4_MC_STEER); + + case MLX4_STEERING_MODE_DEVICE_MANAGED: + return mlx4_trans_to_dmfs_attach(dev, qp, gid, port, + block_mcast_loopback, + prot, reg_id); + default: + return -EINVAL; + } } EXPORT_SYMBOL_GPL(mlx4_multicast_attach); int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], - enum mlx4_protocol prot) + enum mlx4_protocol prot, u64 reg_id) { - enum mlx4_steer_type steer; + switch (dev->caps.steering_mode) { + case MLX4_STEERING_MODE_A0: + if (prot == MLX4_PROT_ETH) + return 0; - steer = (is_valid_ether_addr(&gid[10])) ? MLX4_UC_STEER : MLX4_MC_STEER; + case MLX4_STEERING_MODE_B0: + if (prot == MLX4_PROT_ETH) + gid[7] |= (MLX4_MC_STEER << 1); - if (prot == MLX4_PROT_ETH && - !(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)) - return 0; + if (mlx4_is_mfunc(dev)) + return mlx4_QP_ATTACH(dev, qp, gid, 0, 0, prot); - if (prot == MLX4_PROT_ETH) - gid[7] |= (steer << 1); + return mlx4_qp_detach_common(dev, qp, gid, prot, + MLX4_MC_STEER); - if (mlx4_is_mfunc(dev)) - return mlx4_QP_ATTACH(dev, qp, gid, 0, 0, prot); + case MLX4_STEERING_MODE_DEVICE_MANAGED: + return mlx4_flow_detach(dev, reg_id); - return mlx4_qp_detach_common(dev, qp, gid, prot, steer); + default: + return -EINVAL; + } } EXPORT_SYMBOL_GPL(mlx4_multicast_detach); +int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, + u32 qpn, enum mlx4_net_trans_promisc_mode mode) +{ + struct mlx4_net_trans_rule rule; + u64 *regid_p; + + switch (mode) { + case MLX4_FS_ALL_DEFAULT: + regid_p = &dev->regid_promisc_array[port]; + break; + case MLX4_FS_MC_DEFAULT: + regid_p = &dev->regid_allmulti_array[port]; + break; + default: + return -1; + } + + if (*regid_p != 0) + return -1; + + rule.promisc_mode = mode; + rule.port = port; + rule.qpn = qpn; + INIT_LIST_HEAD(&rule.list); + mlx4_err(dev, "going promisc on %x\n", port); + + return mlx4_flow_attach(dev, &rule, regid_p); +} +EXPORT_SYMBOL_GPL(mlx4_flow_steer_promisc_add); + +int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port, + enum mlx4_net_trans_promisc_mode mode) +{ + int ret; + u64 *regid_p; + + switch (mode) { + case MLX4_FS_ALL_DEFAULT: + regid_p = &dev->regid_promisc_array[port]; + break; + case MLX4_FS_MC_DEFAULT: + regid_p = &dev->regid_allmulti_array[port]; + break; + default: + return -1; + } + + if (*regid_p == 0) + return -1; + + ret = mlx4_flow_detach(dev, *regid_p); + if (ret == 0) + *regid_p = 0; + + return ret; +} +EXPORT_SYMBOL_GPL(mlx4_flow_steer_promisc_remove); + int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], int block_mcast_loopback, enum mlx4_protocol prot) { - if (prot == MLX4_PROT_ETH && - !(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)) - return 0; - if (prot == MLX4_PROT_ETH) gid[7] |= (MLX4_UC_STEER << 1); @@ -936,10 +1370,6 @@ EXPORT_SYMBOL_GPL(mlx4_unicast_attach); int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], enum mlx4_protocol prot) { - if (prot == MLX4_PROT_ETH && - !(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)) - return 0; - if (prot == MLX4_PROT_ETH) gid[7] |= (MLX4_UC_STEER << 1); @@ -957,9 +1387,12 @@ int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_cmd_info *cmd) { u32 qpn = (u32) vhcr->in_param & 0xffffffff; - u8 port = vhcr->in_param >> 62; + int port = mlx4_slave_convert_port(dev, slave, vhcr->in_param >> 62); enum mlx4_steer_type steer = vhcr->in_modifier; + if (port < 0) + return -EINVAL; + /* Promiscuous unicast is not allowed in mfunc */ if (mlx4_is_mfunc(dev) && steer == MLX4_UC_STEER) return 0; @@ -980,9 +1413,6 @@ static int mlx4_PROMISC(struct mlx4_dev *dev, u32 qpn, int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port) { - if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)) - return 0; - if (mlx4_is_mfunc(dev)) return mlx4_PROMISC(dev, qpn, MLX4_MC_STEER, 1, port); @@ -992,9 +1422,6 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_add); int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port) { - if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)) - return 0; - if (mlx4_is_mfunc(dev)) return mlx4_PROMISC(dev, qpn, MLX4_MC_STEER, 0, port); @@ -1004,9 +1431,6 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_remove); int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port) { - if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)) - return 0; - if (mlx4_is_mfunc(dev)) return mlx4_PROMISC(dev, qpn, MLX4_UC_STEER, 1, port); @@ -1016,9 +1440,6 @@ EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_add); int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port) { - if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)) - return 0; - if (mlx4_is_mfunc(dev)) return mlx4_PROMISC(dev, qpn, MLX4_UC_STEER, 0, port); @@ -1031,6 +1452,10 @@ int mlx4_init_mcg_table(struct mlx4_dev *dev) struct mlx4_priv *priv = mlx4_priv(dev); int err; + /* No need for mcg_table when fw managed the mcg table*/ + if (dev->caps.steering_mode == + MLX4_STEERING_MODE_DEVICE_MANAGED) + return 0; err = mlx4_bitmap_init(&priv->mcg_table.bitmap, dev->caps.num_amgms, dev->caps.num_amgms - 1, 0, 0); if (err) @@ -1043,5 +1468,7 @@ int mlx4_init_mcg_table(struct mlx4_dev *dev) void mlx4_cleanup_mcg_table(struct mlx4_dev *dev) { - mlx4_bitmap_cleanup(&mlx4_priv(dev)->mcg_table.bitmap); + if (dev->caps.steering_mode != + MLX4_STEERING_MODE_DEVICE_MANAGED) + mlx4_bitmap_cleanup(&mlx4_priv(dev)->mcg_table.bitmap); } |