From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id E967410D50 for ; Thu, 22 Dec 2016 14:05:48 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga104.jf.intel.com with ESMTP; 22 Dec 2016 05:05:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,388,1477983600"; d="scan'208";a="21641702" Received: from unknown (HELO Sent) ([10.103.102.79]) by orsmga002.jf.intel.com with SMTP; 22 Dec 2016 05:05:46 -0800 Received: by Sent (sSMTP sendmail emulation); Thu, 22 Dec 2016 14:05:45 +0100 From: Tomasz Kulasek To: dev@dpdk.org Cc: Konstantin Ananyev Date: Thu, 22 Dec 2016 14:05:18 +0100 Message-Id: <1482411919-7620-8-git-send-email-tomaszx.kulasek@intel.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1482411919-7620-1-git-send-email-tomaszx.kulasek@intel.com> References: <1481650914-40324-1-git-send-email-tomaszx.kulasek@intel.com> <1482411919-7620-1-git-send-email-tomaszx.kulasek@intel.com> Subject: [dpdk-dev] [PATCH v14 7/8] ena: add Tx preparation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Dec 2016 13:05:49 -0000 From: Konstantin Ananyev Signed-off-by: Konstantin Ananyev --- drivers/net/ena/ena_ethdev.c | 51 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c index 555fb31..51af723 100644 --- a/drivers/net/ena/ena_ethdev.c +++ b/drivers/net/ena/ena_ethdev.c @@ -39,6 +39,7 @@ #include #include #include +#include #include "ena_ethdev.h" #include "ena_logs.h" @@ -168,6 +169,14 @@ struct ena_stats { #define PCI_DEVICE_ID_ENA_VF 0xEC20 #define PCI_DEVICE_ID_ENA_LLQ_VF 0xEC21 +#define ENA_TX_OFFLOAD_MASK (\ + PKT_TX_L4_MASK | \ + PKT_TX_IP_CKSUM | \ + PKT_TX_TCP_SEG) + +#define ENA_TX_OFFLOAD_NOTSUP_MASK \ + (PKT_TX_OFFLOAD_MASK ^ ENA_TX_OFFLOAD_MASK) + static struct rte_pci_id pci_id_ena_map[] = { { RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_LLQ_VF) }, @@ -179,6 +188,8 @@ static int ena_device_init(struct ena_com_dev *ena_dev, static int ena_dev_configure(struct rte_eth_dev *dev); static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); +static uint16_t eth_ena_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); static int ena_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, uint16_t nb_desc, unsigned int socket_id, const struct rte_eth_txconf *tx_conf); @@ -1272,6 +1283,7 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev) eth_dev->dev_ops = &ena_dev_ops; eth_dev->rx_pkt_burst = ð_ena_recv_pkts; eth_dev->tx_pkt_burst = ð_ena_xmit_pkts; + eth_dev->tx_pkt_prepare = ð_ena_prep_pkts; adapter->rte_eth_dev_data = eth_dev->data; adapter->rte_dev = eth_dev; @@ -1570,6 +1582,45 @@ static uint16_t eth_ena_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, return recv_idx; } +static uint16_t +eth_ena_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + int32_t ret; + uint32_t i; + struct rte_mbuf *m; + uint64_t ol_flags; + + for (i = 0; i != nb_pkts; i++) { + m = tx_pkts[i]; + ol_flags = m->ol_flags; + + if ((ol_flags & ENA_TX_OFFLOAD_NOTSUP_MASK) != 0 || + (ol_flags & PKT_TX_L4_MASK) == + PKT_TX_SCTP_CKSUM) { + rte_errno = -ENOTSUP; + return i; + } + +#ifdef RTE_LIBRTE_ETHDEV_DEBUG + ret = rte_validate_tx_offload(m); + if (ret != 0) { + rte_errno = ret; + return i; + } +#endif + /* ENA doesn't need different phdr cskum for TSO */ + ret = rte_net_intel_cksum_flags_prepare(m, + ol_flags & ~PKT_TX_TCP_SEG); + if (ret != 0) { + rte_errno = ret; + return i; + } + } + + return i; +} + static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) { -- 1.7.9.5