From: Dekel Peled <dekelp@mellanox.com> To: john.mcnamara@intel.com, marko.kovacevic@intel.com, nhorman@tuxdriver.com, ajit.khaparde@broadcom.com, somnath.kotur@broadcom.com, anatoly.burakov@intel.com, xuanziyang2@huawei.com, cloud.wangxiaoyun@huawei.com, zhouguoyang@huawei.com, wenzhuo.lu@intel.com, konstantin.ananyev@intel.com, matan@mellanox.com, shahafs@mellanox.com, viacheslavo@mellanox.com, rmody@marvell.com, shshaikh@marvell.com, maxime.coquelin@redhat.com, tiwei.bie@intel.com, zhihong.wang@intel.com, yongwang@vmware.com, thomas@monjalon.net, ferruh.yigit@intel.com, arybchenko@solarflare.com, jingjing.wu@intel.com, bernard.iremonger@intel.com Cc: dev@dpdk.org Subject: [dpdk-dev] [PATCH v2 1/3] ethdev: support API to set max LRO packet size Date: Wed, 6 Nov 2019 13:34:36 +0200 Message-ID: <5761720ab8a57fd331ed03916ff27fd153e8fb85.1573039465.git.dekelp@mellanox.com> (raw) In-Reply-To: <cover.1573039465.git.dekelp@mellanox.com> This patch implements [1], to support API for configuration and validation of max size for LRO aggregated packet. API change notice [2] is removed, and release notes for 19.11 are updated accordingly. Various PMDs using LRO offload are updated, the new data members are initialized to ensure they don't fail validation. [1] http://patches.dpdk.org/patch/58217/ [2] http://patches.dpdk.org/patch/57492/ Signed-off-by: Dekel Peled <dekelp@mellanox.com> Reviewed-by: Andrew Rybchenko <arybchenko@solarflare.com> --- doc/guides/nics/features.rst | 2 ++ doc/guides/rel_notes/deprecation.rst | 4 --- doc/guides/rel_notes/release_19_11.rst | 8 ++++++ drivers/net/bnxt/bnxt_ethdev.c | 1 + drivers/net/hinic/hinic_pmd_ethdev.c | 1 + drivers/net/ixgbe/ixgbe_ethdev.c | 2 ++ drivers/net/ixgbe/ixgbe_vf_representor.c | 1 + drivers/net/mlx5/mlx5.h | 3 +++ drivers/net/mlx5/mlx5_ethdev.c | 1 + drivers/net/mlx5/mlx5_rxq.c | 1 - drivers/net/qede/qede_ethdev.c | 1 + drivers/net/virtio/virtio_ethdev.c | 1 + drivers/net/vmxnet3/vmxnet3_ethdev.c | 1 + lib/librte_ethdev/rte_ethdev.c | 44 ++++++++++++++++++++++++++++++++ lib/librte_ethdev/rte_ethdev.h | 4 +++ 15 files changed, 70 insertions(+), 5 deletions(-) diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst index d966968..4d1bb5a 100644 --- a/doc/guides/nics/features.rst +++ b/doc/guides/nics/features.rst @@ -193,10 +193,12 @@ LRO Supports Large Receive Offload. * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_TCP_LRO``. + ``dev_conf.rxmode.max_lro_pkt_size``. * **[implements] datapath**: ``LRO functionality``. * **[implements] rte_eth_dev_data**: ``lro``. * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_LRO``, ``mbuf.tso_segsz``. * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_TCP_LRO``. +* **[provides] rte_eth_dev_info**: ``max_lro_pkt_size``. .. _nic_features_tso: diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index c10dc30..fdec33d 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -87,10 +87,6 @@ Deprecation Notices This scheme will allow PMDs to avoid lookup to internal ptype table on Rx and thereby improve Rx performance if application wishes do so. -* ethdev: New 32-bit fields may be added for maximum LRO session size, in - struct ``rte_eth_dev_info`` for the port capability and in struct - ``rte_eth_rxmode`` for the port configuration. - * cryptodev: support for using IV with all sizes is added, J0 still can be used but only when IV length in following structs ``rte_crypto_auth_xform``, ``rte_crypto_aead_xform`` is set to zero. When IV length is greater or equal diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst index f96ac38..9bffb16 100644 --- a/doc/guides/rel_notes/release_19_11.rst +++ b/doc/guides/rel_notes/release_19_11.rst @@ -380,6 +380,14 @@ ABI Changes align the Ethernet header on receive and all known encapsulations preserve the alignment of the header. +* ethdev: Added 32-bit fields for maximum LRO aggregated packet size, in + struct ``rte_eth_dev_info`` for the port capability and in struct + ``rte_eth_rxmode`` for the port configuration. + Application should use the new field in struct ``rte_eth_rxmode`` to configure + the requested size. + PMD should use the new field in struct ``rte_eth_dev_info`` to report the + supported port capability. + Shared Library Versions ----------------------- diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 7d9459f..88af61b 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -535,6 +535,7 @@ static int bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev, /* Fast path specifics */ dev_info->min_rx_bufsize = 1; dev_info->max_rx_pktlen = BNXT_MAX_PKT_LEN; + dev_info->max_lro_pkt_size = BNXT_MAX_PKT_LEN; dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT; if (bp->flags & BNXT_FLAG_PTP_SUPPORTED) diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c b/drivers/net/hinic/hinic_pmd_ethdev.c index 9f37a40..b33b2cf 100644 --- a/drivers/net/hinic/hinic_pmd_ethdev.c +++ b/drivers/net/hinic/hinic_pmd_ethdev.c @@ -727,6 +727,7 @@ static void hinic_get_speed_capa(struct rte_eth_dev *dev, uint32_t *speed_capa) info->max_tx_queues = nic_dev->nic_cap.max_sqs; info->min_rx_bufsize = HINIC_MIN_RX_BUF_SIZE; info->max_rx_pktlen = HINIC_MAX_JUMBO_FRAME_SIZE; + info->max_lro_pkt_size = HINIC_MAX_JUMBO_FRAME_SIZE; info->max_mac_addrs = HINIC_MAX_UC_MAC_ADDRS; info->min_mtu = HINIC_MIN_MTU_SIZE; info->max_mtu = HINIC_MAX_MTU_SIZE; diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 3c7624f..863e3b1 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -3804,6 +3804,7 @@ static int ixgbevf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev, } dev_info->min_rx_bufsize = 1024; /* cf BSIZEPACKET in SRRCTL register */ dev_info->max_rx_pktlen = 15872; /* includes CRC, cf MAXFRS register */ + dev_info->max_lro_pkt_size = 15872; dev_info->max_mac_addrs = hw->mac.num_rar_entries; dev_info->max_hash_mac_addrs = IXGBE_VMDQ_NUM_UC_MAC; dev_info->max_vfs = pci_dev->max_vfs; @@ -3927,6 +3928,7 @@ static int ixgbevf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev, dev_info->max_tx_queues = (uint16_t)hw->mac.max_tx_queues; dev_info->min_rx_bufsize = 1024; /* cf BSIZEPACKET in SRRCTL reg */ dev_info->max_rx_pktlen = 9728; /* includes CRC, cf MAXFRS reg */ + dev_info->max_lro_pkt_size = 9728; dev_info->max_mtu = dev_info->max_rx_pktlen - IXGBE_ETH_OVERHEAD; dev_info->max_mac_addrs = hw->mac.num_rar_entries; dev_info->max_hash_mac_addrs = IXGBE_VMDQ_NUM_UC_MAC; diff --git a/drivers/net/ixgbe/ixgbe_vf_representor.c b/drivers/net/ixgbe/ixgbe_vf_representor.c index dbbef29..28dfa3a 100644 --- a/drivers/net/ixgbe/ixgbe_vf_representor.c +++ b/drivers/net/ixgbe/ixgbe_vf_representor.c @@ -48,6 +48,7 @@ dev_info->min_rx_bufsize = 1024; /**< Minimum size of RX buffer. */ dev_info->max_rx_pktlen = 9728; + dev_info->max_lro_pkt_size = 9728; /**< Maximum configurable length of RX pkt. */ dev_info->max_rx_queues = IXGBE_VF_MAX_RX_QUEUES; /**< Maximum number of RX queues. */ diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index f644998..fdfc99b 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -203,6 +203,9 @@ struct mlx5_hca_attr { #define MLX5_LRO_SUPPORTED(dev) \ (((struct mlx5_priv *)((dev)->data->dev_private))->config.lro.supported) +/* Maximal size of aggregated LRO packet. */ +#define MLX5_MAX_LRO_SIZE (UINT8_MAX * 256u) + /* LRO configurations structure. */ struct mlx5_lro_config { uint32_t supported:1; /* Whether LRO is supported. */ diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index c2bed2f..1443faa 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -606,6 +606,7 @@ struct ethtool_link_settings { /* FIXME: we should ask the device for these values. */ info->min_rx_bufsize = 32; info->max_rx_pktlen = 65536; + info->max_lro_pkt_size = MLX5_MAX_LRO_SIZE; /* * Since we need one CQ per QP, the limit is the minimum number * between the two values. diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c index 24d0eaa..9423e7b 100644 --- a/drivers/net/mlx5/mlx5_rxq.c +++ b/drivers/net/mlx5/mlx5_rxq.c @@ -1701,7 +1701,6 @@ struct mlx5_rxq_obj * return 0; } -#define MLX5_MAX_LRO_SIZE (UINT8_MAX * 256u) #define MLX5_MAX_TCP_HDR_OFFSET ((unsigned int)(sizeof(struct rte_ether_hdr) + \ sizeof(struct rte_vlan_hdr) * 2 + \ sizeof(struct rte_ipv6_hdr))) diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c index 575982f..9c960cd 100644 --- a/drivers/net/qede/qede_ethdev.c +++ b/drivers/net/qede/qede_ethdev.c @@ -1277,6 +1277,7 @@ static int qede_dev_configure(struct rte_eth_dev *eth_dev) dev_info->min_rx_bufsize = (uint32_t)QEDE_MIN_RX_BUFF_SIZE; dev_info->max_rx_pktlen = (uint32_t)ETH_TX_MAX_NON_LSO_PKT_LEN; + dev_info->max_lro_pkt_size = (uint32_t)ETH_TX_MAX_NON_LSO_PKT_LEN; dev_info->rx_desc_lim = qede_rx_desc_lim; dev_info->tx_desc_lim = qede_tx_desc_lim; diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index 646de99..fa33c45 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -2435,6 +2435,7 @@ static void virtio_dev_free_mbufs(struct rte_eth_dev *dev) RTE_MIN(hw->max_queue_pairs, VIRTIO_MAX_TX_QUEUES); dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE; dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN; + dev_info->max_lro_pkt_size = VIRTIO_MAX_RX_PKTLEN; dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS; host_features = VTPCI_OPS(hw)->get_features(hw); diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index d1faeaa..d18e8bc 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -1161,6 +1161,7 @@ static int eth_vmxnet3_pci_remove(struct rte_pci_device *pci_dev) dev_info->max_tx_queues = VMXNET3_MAX_TX_QUEUES; dev_info->min_rx_bufsize = 1518 + RTE_PKTMBUF_HEADROOM; dev_info->max_rx_pktlen = 16384; /* includes CRC, cf MAXFRS register */ + dev_info->max_lro_pkt_size = 16384; dev_info->speed_capa = ETH_LINK_SPEED_10G; dev_info->max_mac_addrs = VMXNET3_MAX_MAC_ADDRS; diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c index 85ab5f0..7d8d1ed 100644 --- a/lib/librte_ethdev/rte_ethdev.c +++ b/lib/librte_ethdev/rte_ethdev.c @@ -1156,6 +1156,26 @@ struct rte_eth_dev * return name; } +static inline int +check_lro_pkt_size(uint16_t port_id, uint32_t config_size, + uint32_t dev_info_size) +{ + int ret = 0; + + if (config_size > dev_info_size) { + RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u > " + "max allowed value %u\n", + port_id, config_size, dev_info_size); + ret = -EINVAL; + } else if (config_size < RTE_ETHER_MIN_LEN) { + RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u < " + "min allowed value %u\n", port_id, config_size, + (unsigned int)RTE_ETHER_MIN_LEN); + ret = -EINVAL; + } + return ret; +} + int rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, const struct rte_eth_conf *dev_conf) @@ -1286,6 +1306,18 @@ struct rte_eth_dev * RTE_ETHER_MAX_LEN; } + /* + * If LRO is enabled, check that the maximum aggregated packet + * size is supported by the configured device. + */ + if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) { + ret = check_lro_pkt_size( + port_id, dev_conf->rxmode.max_lro_pkt_size, + dev_info.max_lro_pkt_size); + if (ret != 0) + goto rollback; + } + /* Any requested offloading must be within its device capabilities */ if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) != dev_conf->rxmode.offloads) { @@ -1790,6 +1822,18 @@ struct rte_eth_dev * return -EINVAL; } + /* + * If LRO is enabled, check that the maximum aggregated packet + * size is supported by the configured device. + */ + if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) { + int ret = check_lro_pkt_size(port_id, + dev->data->dev_conf.rxmode.max_lro_pkt_size, + dev_info.max_lro_pkt_size); + if (ret != 0) + return ret; + } + ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc, socket_id, &local_conf, mp); if (!ret) { diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h index f0df03d..0a1e490 100644 --- a/lib/librte_ethdev/rte_ethdev.h +++ b/lib/librte_ethdev/rte_ethdev.h @@ -395,6 +395,8 @@ struct rte_eth_rxmode { /** The multi-queue packet distribution mode to be used, e.g. RSS. */ enum rte_eth_rx_mq_mode mq_mode; uint32_t max_rx_pkt_len; /**< Only used if JUMBO_FRAME enabled. */ + /** Maximal allowed size of LRO aggregated packet. */ + uint32_t max_lro_pkt_size; uint16_t split_hdr_size; /**< hdr buf size (header_split enabled).*/ /** * Per-port Rx offloads to be set using DEV_RX_OFFLOAD_* flags. @@ -1223,6 +1225,8 @@ struct rte_eth_dev_info { const uint32_t *dev_flags; /**< Device flags */ uint32_t min_rx_bufsize; /**< Minimum size of RX buffer. */ uint32_t max_rx_pktlen; /**< Maximum configurable length of RX pkt. */ + /** Maximum configurable size of LRO aggregated packet. */ + uint32_t max_lro_pkt_size; uint16_t max_rx_queues; /**< Maximum number of RX queues. */ uint16_t max_tx_queues; /**< Maximum number of TX queues. */ uint32_t max_mac_addrs; /**< Maximum number of MAC addresses. */ -- 1.8.3.1
next prev parent reply index Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-05 8:40 [dpdk-dev] [PATCH 0/3] " Dekel Peled 2019-11-05 8:40 ` [dpdk-dev] [PATCH 1/3] ethdev: " Dekel Peled 2019-11-05 12:39 ` Andrew Rybchenko 2019-11-05 13:09 ` Thomas Monjalon 2019-11-05 14:18 ` Dekel Peled 2019-11-05 14:27 ` Andrew Rybchenko 2019-11-05 14:51 ` Dekel Peled 2019-11-05 8:40 ` [dpdk-dev] [PATCH 2/3] net/mlx5: use " Dekel Peled 2019-11-05 8:40 ` [dpdk-dev] [PATCH 3/3] app/testpmd: " Dekel Peled 2019-11-05 9:35 ` [dpdk-dev] [PATCH 0/3] support " Matan Azrad 2019-11-06 11:34 ` [dpdk-dev] [PATCH v2 " Dekel Peled 2019-11-06 11:34 ` Dekel Peled [this message] 2019-11-06 12:26 ` [dpdk-dev] [PATCH v2 1/3] ethdev: " Thomas Monjalon 2019-11-06 12:39 ` Dekel Peled 2019-11-06 11:34 ` [dpdk-dev] [PATCH v2 2/3] net/mlx5: use " Dekel Peled 2019-11-06 11:34 ` [dpdk-dev] [PATCH v2 3/3] app/testpmd: " Dekel Peled 2019-11-06 12:35 ` Iremonger, Bernard 2019-11-06 13:14 ` Dekel Peled 2019-11-06 14:28 ` [dpdk-dev] [PATCH v3 0/3] support " Dekel Peled 2019-11-06 14:28 ` [dpdk-dev] [PATCH v3 1/3] ethdev: " Dekel Peled 2019-11-07 11:57 ` [dpdk-dev] [EXT] " Shahed Shaikh 2019-11-07 12:18 ` Dekel Peled 2019-11-06 14:28 ` [dpdk-dev] [PATCH v3 2/3] net/mlx5: use " Dekel Peled 2019-11-06 14:28 ` [dpdk-dev] [PATCH v3 3/3] app/testpmd: " Dekel Peled 2019-11-06 16:41 ` [dpdk-dev] [PATCH v3 0/3] support " Iremonger, Bernard 2019-11-07 6:10 ` Dekel Peled 2019-11-07 12:35 ` [dpdk-dev] [PATCH v4 " Dekel Peled 2019-11-07 12:35 ` [dpdk-dev] [PATCH v4 1/3] ethdev: " Dekel Peled 2019-11-07 20:15 ` Ferruh Yigit 2019-11-08 6:54 ` Matan Azrad 2019-11-08 9:19 ` Ferruh Yigit 2019-11-08 10:10 ` Matan Azrad 2019-11-08 11:37 ` Ferruh Yigit 2019-11-08 11:56 ` Matan Azrad 2019-11-08 12:51 ` Ferruh Yigit 2019-11-08 16:11 ` Dekel Peled 2019-11-08 16:53 ` Ferruh Yigit 2019-11-09 18:20 ` Matan Azrad 2019-11-10 23:40 ` Ananyev, Konstantin 2019-11-11 8:01 ` Matan Azrad 2019-11-12 18:31 ` Ananyev, Konstantin 2019-11-11 11:15 ` Ferruh Yigit 2019-11-11 11:33 ` Matan Azrad 2019-11-11 12:21 ` Ferruh Yigit 2019-11-11 13:32 ` Matan Azrad 2019-11-08 13:11 ` Ananyev, Konstantin 2019-11-08 14:10 ` Dekel Peled 2019-11-08 14:52 ` Ananyev, Konstantin 2019-11-08 16:08 ` Dekel Peled 2019-11-08 16:28 ` Ananyev, Konstantin 2019-11-09 18:26 ` Matan Azrad 2019-11-10 22:51 ` Ananyev, Konstantin 2019-11-11 6:53 ` Matan Azrad 2019-11-07 12:35 ` [dpdk-dev] [PATCH v4 2/3] net/mlx5: use " Dekel Peled 2019-11-08 9:12 ` Slava Ovsiienko 2019-11-08 9:23 ` Ferruh Yigit 2019-11-07 12:35 ` [dpdk-dev] [PATCH v4 3/3] app/testpmd: " Dekel Peled 2019-11-07 14:20 ` Iremonger, Bernard 2019-11-07 20:25 ` Ferruh Yigit 2019-11-08 6:56 ` Matan Azrad 2019-11-08 13:58 ` Dekel Peled 2019-11-08 6:28 ` [dpdk-dev] [PATCH v4 0/3] support " Matan Azrad 2019-11-08 16:42 ` [dpdk-dev] [PATCH v5 " Dekel Peled 2019-11-08 16:42 ` [dpdk-dev] [PATCH v5 1/3] ethdev: " Dekel Peled 2019-11-10 23:07 ` Ananyev, Konstantin 2019-11-11 7:40 ` Dekel Peled 2019-11-08 16:42 ` [dpdk-dev] [PATCH v5 2/3] net/mlx5: use " Dekel Peled 2019-11-08 16:42 ` [dpdk-dev] [PATCH v5 3/3] app/testpmd: " Dekel Peled 2019-11-10 23:11 ` Ananyev, Konstantin 2019-11-11 7:40 ` Dekel Peled 2019-11-08 23:07 ` [dpdk-dev] [PATCH v6] ethdev: add " Thomas Monjalon 2019-11-10 22:47 ` Ananyev, Konstantin 2019-11-11 17:47 ` [dpdk-dev] [PATCH v7 0/3] support API to set " Dekel Peled 2019-11-11 17:47 ` [dpdk-dev] [PATCH v7 1/3] ethdev: " Dekel Peled 2019-11-12 0:46 ` Ferruh Yigit 2019-11-11 17:47 ` [dpdk-dev] [PATCH v7 2/3] net/mlx5: use " Dekel Peled 2019-11-11 17:47 ` [dpdk-dev] [PATCH v7 3/3] app/testpmd: " Dekel Peled 2019-11-12 0:46 ` Ferruh Yigit 2019-11-12 0:47 ` [dpdk-dev] [PATCH v7 0/3] support " Ferruh Yigit
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