From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Kulasek Subject: [PATCH v13 6/7] vmxnet3: add Tx preparation Date: Tue, 13 Dec 2016 18:41:53 +0100 Message-ID: <1481650914-40324-7-git-send-email-tomaszx.kulasek@intel.com> References: <1479922585-8640-1-git-send-email-tomaszx.kulasek@intel.com> <1481650914-40324-1-git-send-email-tomaszx.kulasek@intel.com> Cc: "Ananyev, Konstantin" To: dev@dpdk.org Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 949A12934 for ; Tue, 13 Dec 2016 18:47:20 +0100 (CET) In-Reply-To: <1481650914-40324-1-git-send-email-tomaszx.kulasek@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: "Ananyev, Konstantin" Signed-off-by: Konstantin Ananyev --- drivers/net/vmxnet3/vmxnet3_ethdev.c | 4 +++ drivers/net/vmxnet3/vmxnet3_ethdev.h | 2 ++ drivers/net/vmxnet3/vmxnet3_rxtx.c | 57 ++++++++++++++++++++++++++++++++++ 3 files changed, 63 insertions(+) diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index 8bb13e5..f85be91 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -237,6 +237,7 @@ static void vmxnet3_mac_addr_set(struct rte_eth_dev *dev, eth_dev->dev_ops = &vmxnet3_eth_dev_ops; eth_dev->rx_pkt_burst = &vmxnet3_recv_pkts; eth_dev->tx_pkt_burst = &vmxnet3_xmit_pkts; + eth_dev->tx_pkt_prepare = vmxnet3_prep_pkts; pci_dev = eth_dev->pci_dev; /* @@ -326,6 +327,7 @@ static void vmxnet3_mac_addr_set(struct rte_eth_dev *dev, eth_dev->dev_ops = NULL; eth_dev->rx_pkt_burst = NULL; eth_dev->tx_pkt_burst = NULL; + eth_dev->tx_pkt_prepare = NULL; rte_free(eth_dev->data->mac_addrs); eth_dev->data->mac_addrs = NULL; @@ -728,6 +730,8 @@ static void vmxnet3_mac_addr_set(struct rte_eth_dev *dev, .nb_max = VMXNET3_TX_RING_MAX_SIZE, .nb_min = VMXNET3_DEF_TX_RING_SIZE, .nb_align = 1, + .nb_seg_max = UINT8_MAX, + .nb_mtu_seg_max = VMXNET3_MAX_TXD_PER_PKT, }; dev_info->rx_offload_capa = diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.h b/drivers/net/vmxnet3/vmxnet3_ethdev.h index 7d3b11e..469db71 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.h +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.h @@ -171,5 +171,7 @@ uint16_t vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts); uint16_t vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); +uint16_t vmxnet3_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); #endif /* _VMXNET3_ETHDEV_H_ */ diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c index b109168..0c35738 100644 --- a/drivers/net/vmxnet3/vmxnet3_rxtx.c +++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c @@ -69,6 +69,7 @@ #include #include #include +#include #include "base/vmxnet3_defs.h" #include "vmxnet3_ring.h" @@ -76,6 +77,14 @@ #include "vmxnet3_logs.h" #include "vmxnet3_ethdev.h" +#define VMXNET3_TX_OFFLOAD_MASK ( \ + PKT_TX_VLAN_PKT | \ + PKT_TX_L4_MASK | \ + PKT_TX_TCP_SEG) + +#define VMXNET3_TX_OFFLOAD_NOTSUP_MASK \ + (PKT_TX_OFFLOAD_MASK ^ VMXNET3_TX_OFFLOAD_MASK) + static const uint32_t rxprod_reg[2] = {VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2}; static int vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t*, uint8_t); @@ -350,6 +359,54 @@ } uint16_t +vmxnet3_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + int32_t ret; + uint32_t i; + uint64_t ol_flags; + struct rte_mbuf *m; + + for (i = 0; i != nb_pkts; i++) { + m = tx_pkts[i]; + ol_flags = m->ol_flags; + + /* + * Non-TSO packet cannot occupy more than + * VMXNET3_MAX_TXD_PER_PKT TX descriptors. + */ + if ((ol_flags & PKT_TX_TCP_SEG) == 0 && + m->nb_segs > VMXNET3_MAX_TXD_PER_PKT) { + rte_errno = -EINVAL; + return i; + } + + /* check that only supported TX offloads are requested. */ + if ((ol_flags & VMXNET3_TX_OFFLOAD_NOTSUP_MASK) != 0 || + (ol_flags & PKT_TX_L4_MASK) == + PKT_TX_SCTP_CKSUM) { + rte_errno = -EINVAL; + return i; + } + +#ifdef RTE_LIBRTE_ETHDEV_DEBUG + ret = rte_validate_tx_offload(m); + if (ret != 0) { + rte_errno = ret; + return i; + } +#endif + ret = rte_net_intel_cksum_prepare(m); + if (ret != 0) { + rte_errno = ret; + return i; + } + } + + return i; +} + +uint16_t vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) { -- 1.7.9.5