diff options
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/cmd.c | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_rx.c | 23 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 118 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4.h | 10 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 17 | ||||
-rw-r--r-- | include/linux/mlx4/cmd.h | 29 | ||||
-rw-r--r-- | include/linux/mlx4/device.h | 3 |
9 files changed, 190 insertions, 26 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 916459effcfa..3c05e5878b49 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -990,11 +990,11 @@ static struct mlx4_cmd_info cmd_info[] = { { .opcode = MLX4_CMD_CONFIG_DEV, .has_inbox = false, - .has_outbox = false, + .has_outbox = true, .out_is_imm = false, .encode_slave_id = false, .verify = NULL, - .wrapper = mlx4_CMD_EPERM_wrapper + .wrapper = mlx4_CONFIG_DEV_wrapper }, { .opcode = MLX4_CMD_ALLOC_RES, @@ -1345,7 +1345,7 @@ static struct mlx4_cmd_info cmd_info[] = { .out_is_imm = false, .encode_slave_id = false, .verify = NULL, - .wrapper = NULL, + .wrapper = mlx4_ACCESS_REG_wrapper, }, /* Native multicast commands are not available for guests */ { diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index c562c1468944..b173a0cf44e0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -74,7 +74,7 @@ static int mlx4_alloc_pages(struct mlx4_en_priv *priv, page_alloc->page_size = PAGE_SIZE << order; page_alloc->page = page; page_alloc->dma = dma; - page_alloc->page_offset = frag_info->frag_align; + page_alloc->page_offset = 0; /* Not doing get_page() for each frag is a big win * on asymetric workloads. Note we can not use atomic_set(). */ @@ -156,7 +156,7 @@ static int mlx4_en_init_allocator(struct mlx4_en_priv *priv, const struct mlx4_en_frag_info *frag_info = &priv->frag_info[i]; if (mlx4_alloc_pages(priv, &ring->page_alloc[i], - frag_info, GFP_KERNEL)) + frag_info, GFP_KERNEL | __GFP_COLD)) goto out; } return 0; @@ -268,7 +268,7 @@ static int mlx4_en_fill_rx_buffers(struct mlx4_en_priv *priv) if (mlx4_en_prepare_rx_desc(priv, ring, ring->actual_size, - GFP_KERNEL)) { + GFP_KERNEL | __GFP_COLD)) { if (ring->actual_size < MLX4_EN_MIN_RX_SIZE) { en_err(priv, "Failed to allocate enough rx buffers\n"); return -ENOMEM; @@ -635,7 +635,8 @@ static void mlx4_en_refill_rx_buffers(struct mlx4_en_priv *priv, int index = ring->prod & ring->size_mask; while ((u32) (ring->prod - ring->cons) < ring->actual_size) { - if (mlx4_en_prepare_rx_desc(priv, ring, index, GFP_ATOMIC)) + if (mlx4_en_prepare_rx_desc(priv, ring, index, + GFP_ATOMIC | __GFP_COLD)) break; ring->prod++; index = ring->prod & ring->size_mask; @@ -945,15 +946,8 @@ void mlx4_en_calc_rx_buf(struct net_device *dev) (eff_mtu > buf_size + frag_sizes[i]) ? frag_sizes[i] : eff_mtu - buf_size; priv->frag_info[i].frag_prefix_size = buf_size; - if (!i) { - priv->frag_info[i].frag_align = NET_IP_ALIGN; - priv->frag_info[i].frag_stride = - ALIGN(frag_sizes[i] + NET_IP_ALIGN, SMP_CACHE_BYTES); - } else { - priv->frag_info[i].frag_align = 0; - priv->frag_info[i].frag_stride = - ALIGN(frag_sizes[i], SMP_CACHE_BYTES); - } + priv->frag_info[i].frag_stride = ALIGN(frag_sizes[i], + SMP_CACHE_BYTES); buf_size += priv->frag_info[i].frag_size; i++; } @@ -966,11 +960,10 @@ void mlx4_en_calc_rx_buf(struct net_device *dev) eff_mtu, priv->num_frags); for (i = 0; i < priv->num_frags; i++) { en_err(priv, - " frag:%d - size:%d prefix:%d align:%d stride:%d\n", + " frag:%d - size:%d prefix:%d stride:%d\n", i, priv->frag_info[i].frag_size, priv->frag_info[i].frag_prefix_size, - priv->frag_info[i].frag_align, priv->frag_info[i].frag_stride); } } diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 72289ef5ebbe..d6dba77ae4ba 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -141,7 +141,8 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) [12] = "Large cache line (>64B) CQE stride support", [13] = "Large cache line (>64B) EQE stride support", [14] = "Ethernet protocol control support", - [15] = "Ethernet Backplane autoneg support" + [15] = "Ethernet Backplane autoneg support", + [16] = "CONFIG DEV support" }; int i; @@ -574,6 +575,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94 +#define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c @@ -749,6 +751,9 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE; MLX4_GET(dev_cap->bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); + MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); + if (field & 0x20) + dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV; MLX4_GET(dev_cap->reserved_lkey, outbox, QUERY_DEV_CAP_RSVD_LKEY_OFFSET); MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET); @@ -1849,14 +1854,18 @@ int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic) struct mlx4_config_dev { __be32 update_flags; - __be32 rsdv1[3]; + __be32 rsvd1[3]; __be16 vxlan_udp_dport; __be16 rsvd2; + __be32 rsvd3[27]; + __be16 rsvd4; + u8 rsvd5; + u8 rx_checksum_val; }; #define MLX4_VXLAN_UDP_DPORT (1 << 0) -static int mlx4_CONFIG_DEV(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) +static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) { int err; struct mlx4_cmd_mailbox *mailbox; @@ -1874,6 +1883,77 @@ static int mlx4_CONFIG_DEV(struct mlx4_dev *dev, struct mlx4_config_dev *config_ return err; } +static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) +{ + int err; + struct mlx4_cmd_mailbox *mailbox; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV, + MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); + + if (!err) + memcpy(config_dev, mailbox->buf, sizeof(*config_dev)); + + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} + +/* Conversion between the HW values and the actual functionality. + * The value represented by the array index, + * and the functionality determined by the flags. + */ +static const u8 config_dev_csum_flags[] = { + [0] = 0, + [1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP, + [2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP | + MLX4_RX_CSUM_MODE_L4, + [3] = MLX4_RX_CSUM_MODE_L4 | + MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP | + MLX4_RX_CSUM_MODE_MULTI_VLAN +}; + +int mlx4_config_dev_retrieval(struct mlx4_dev *dev, + struct mlx4_config_dev_params *params) +{ + struct mlx4_config_dev config_dev; + int err; + u8 csum_mask; + +#define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7 +#define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0 +#define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4 + + if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV)) + return -ENOTSUPP; + + err = mlx4_CONFIG_DEV_get(dev, &config_dev); + if (err) + return err; + + csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) & + CONFIG_DEV_RX_CSUM_MODE_MASK; + + if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0])) + return -EINVAL; + params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask]; + + csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) & + CONFIG_DEV_RX_CSUM_MODE_MASK; + + if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0])) + return -EINVAL; + params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask]; + + params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport); + + return 0; +} +EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval); + int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port) { struct mlx4_config_dev config_dev; @@ -1882,7 +1962,7 @@ int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port) config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT); config_dev.vxlan_udp_dport = udp_port; - return mlx4_CONFIG_DEV(dev, &config_dev); + return mlx4_CONFIG_DEV_set(dev, &config_dev); } EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port); @@ -2220,7 +2300,7 @@ static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id, memcpy(inbuf->reg_data, reg_data, reg_len); err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, - MLX4_CMD_NATIVE); + MLX4_CMD_WRAPPED); if (err) goto out; @@ -2263,3 +2343,31 @@ int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, method, sizeof(*ptys_reg), ptys_reg); } EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG); + +int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave, + struct mlx4_vhcr *vhcr, + struct mlx4_cmd_mailbox *inbox, + struct mlx4_cmd_mailbox *outbox, + struct mlx4_cmd_info *cmd) +{ + struct mlx4_access_reg *inbuf = inbox->buf; + u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK; + u16 reg_id = be16_to_cpu(inbuf->reg_id); + + if (slave != mlx4_master_func_num(dev) && + method == MLX4_ACCESS_REG_WRITE) + return -EPERM; + + if (reg_id == MLX4_REG_ID_PTYS) { + struct mlx4_ptys_reg *ptys_reg = + (struct mlx4_ptys_reg *)inbuf->reg_data; + + ptys_reg->local_port = + mlx4_slave_convert_port(dev, slave, + ptys_reg->local_port); + } + + return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier, + 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, + MLX4_CMD_NATIVE); +} diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 90de6e1ad06e..9f821964a1b9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -901,9 +901,12 @@ static ssize_t set_port_type(struct device *dev, struct mlx4_priv *priv = mlx4_priv(mdev); enum mlx4_port_type types[MLX4_MAX_PORTS]; enum mlx4_port_type new_types[MLX4_MAX_PORTS]; + static DEFINE_MUTEX(set_port_type_mutex); int i; int err = 0; + mutex_lock(&set_port_type_mutex); + if (!strcmp(buf, "ib\n")) info->tmp_type = MLX4_PORT_TYPE_IB; else if (!strcmp(buf, "eth\n")) @@ -912,7 +915,8 @@ static ssize_t set_port_type(struct device *dev, info->tmp_type = MLX4_PORT_TYPE_AUTO; else { mlx4_err(mdev, "%s is not supported port type\n", buf); - return -EINVAL; + err = -EINVAL; + goto err_out; } mlx4_stop_sense(mdev); @@ -958,6 +962,9 @@ static ssize_t set_port_type(struct device *dev, out: mlx4_start_sense(mdev); mutex_unlock(&priv->port_mutex); +err_out: + mutex_unlock(&set_port_type_mutex); + return err ? err : count; } diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index de10dbb2e6ed..f8fc7bd6f48b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -947,6 +947,11 @@ int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); +int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave, + struct mlx4_vhcr *vhcr, + struct mlx4_cmd_mailbox *inbox, + struct mlx4_cmd_mailbox *outbox, + struct mlx4_cmd_info *cmd); int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, @@ -1273,6 +1278,11 @@ int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); +int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave, + struct mlx4_vhcr *vhcr, + struct mlx4_cmd_mailbox *inbox, + struct mlx4_cmd_mailbox *outbox, + struct mlx4_cmd_info *cmd); int mlx4_get_mgm_entry_size(struct mlx4_dev *dev); int mlx4_get_qp_per_mgm(struct mlx4_dev *dev); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 6beb4d34dce0..ef83d127f406 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -481,7 +481,6 @@ struct mlx4_en_frag_info { u16 frag_size; u16 frag_prefix_size; u16 frag_stride; - u16 frag_align; }; #ifdef CONFIG_MLX4_EN_DCB diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 5d2498dcf536..d718ca0f88da 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -2872,6 +2872,23 @@ out_add: return err; } +int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave, + struct mlx4_vhcr *vhcr, + struct mlx4_cmd_mailbox *inbox, + struct mlx4_cmd_mailbox *outbox, + struct mlx4_cmd_info *cmd) +{ + int err; + u8 get = vhcr->op_modifier; + + if (get != 1) + return -EPERM; + + err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); + + return err; +} + static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start, int len, struct res_mtt **res) { diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h index ff5f5deb3dcf..64d25941b329 100644 --- a/include/linux/mlx4/cmd.h +++ b/include/linux/mlx4/cmd.h @@ -199,6 +199,33 @@ enum { MLX4_CMD_NATIVE }; +/* + * MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP - + * Receive checksum value is reported in CQE also for non TCP/UDP packets. + * + * MLX4_RX_CSUM_MODE_L4 - + * L4_CSUM bit in CQE, which indicates whether or not L4 checksum + * was validated correctly, is supported. + * + * MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP - + * IP_OK CQE's field is supported also for non TCP/UDP IP packets. + * + * MLX4_RX_CSUM_MODE_MULTI_VLAN - + * Receive Checksum offload is supported for packets with more than 2 vlan headers. + */ +enum mlx4_rx_csum_mode { + MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP = 1UL << 0, + MLX4_RX_CSUM_MODE_L4 = 1UL << 1, + MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP = 1UL << 2, + MLX4_RX_CSUM_MODE_MULTI_VLAN = 1UL << 3 +}; + +struct mlx4_config_dev_params { + u16 vxlan_udp_dport; + u8 rx_csum_flags_port_1; + u8 rx_csum_flags_port_2; +}; + struct mlx4_dev; struct mlx4_cmd_mailbox { @@ -250,6 +277,8 @@ int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan, u8 qos); int mlx4_set_vf_spoofchk(struct mlx4_dev *dev, int port, int vf, bool setting); int mlx4_get_vf_config(struct mlx4_dev *dev, int port, int vf, struct ifla_vf_info *ivf); int mlx4_set_vf_link_state(struct mlx4_dev *dev, int port, int vf, int link_state); +int mlx4_config_dev_retrieval(struct mlx4_dev *dev, + struct mlx4_config_dev_params *params); /* * mlx4_get_slave_default_vlan - * return true if VST ( default vlan) diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index e4c136ebe79b..5cc5eac47d1b 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -188,7 +188,8 @@ enum { MLX4_DEV_CAP_FLAG2_CQE_STRIDE = 1LL << 12, MLX4_DEV_CAP_FLAG2_EQE_STRIDE = 1LL << 13, MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL = 1LL << 14, - MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP = 1LL << 15 + MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP = 1LL << 15, + MLX4_DEV_CAP_FLAG2_CONFIG_DEV = 1LL << 16 }; enum { |