From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Kulasek Subject: [PATCH v3 3/6] fm10k: add Tx preparation Date: Wed, 28 Sep 2016 13:10:49 +0200 Message-ID: <20160928111052.9968-4-tomaszx.kulasek@intel.com> References: <1473691487-10032-1-git-send-email-tomaszx.kulasek@intel.com> <20160928111052.9968-1-tomaszx.kulasek@intel.com> Cc: konstantin.ananyev@intel.com, Tomasz Kulasek To: dev@dpdk.org Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 48CE95679 for ; Wed, 28 Sep 2016 13:13:10 +0200 (CEST) In-Reply-To: <20160928111052.9968-1-tomaszx.kulasek@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Tomasz Kulasek --- drivers/net/fm10k/fm10k.h | 9 +++++ drivers/net/fm10k/fm10k_ethdev.c | 5 +++ drivers/net/fm10k/fm10k_rxtx.c | 79 +++++++++++++++++++++++++++++++++++++- 3 files changed, 92 insertions(+), 1 deletion(-) diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h index 05aa1a2..83d2bfb 100644 --- a/drivers/net/fm10k/fm10k.h +++ b/drivers/net/fm10k/fm10k.h @@ -69,6 +69,9 @@ #define FM10K_MAX_RX_DESC (FM10K_MAX_RX_RING_SZ / sizeof(union fm10k_rx_desc)) #define FM10K_MAX_TX_DESC (FM10K_MAX_TX_RING_SZ / sizeof(struct fm10k_tx_desc)) +#define FM10K_TX_MAX_SEG UINT8_MAX +#define FM10K_TX_MAX_MTU_SEG UINT8_MAX + /* * byte aligment for HW RX data buffer * Datasheet requires RX buffer addresses shall either be 512-byte aligned or @@ -356,6 +359,12 @@ fm10k_dev_rx_descriptor_done(void *rx_queue, uint16_t offset); uint16_t fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); +uint16_t fm10k_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); + +uint16_t fm10k_prep_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); + int fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq); int fm10k_rx_vec_condition_check(struct rte_eth_dev *); void fm10k_rx_queue_release_mbufs_vec(struct fm10k_rx_queue *rxq); diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c index 0ecc167..17c45e1 100644 --- a/drivers/net/fm10k/fm10k_ethdev.c +++ b/drivers/net/fm10k/fm10k_ethdev.c @@ -1441,6 +1441,8 @@ fm10k_dev_infos_get(struct rte_eth_dev *dev, .nb_max = FM10K_MAX_TX_DESC, .nb_min = FM10K_MIN_TX_DESC, .nb_align = FM10K_MULT_TX_DESC, + .nb_seg_max = FM10K_TX_MAX_SEG, + .nb_mtu_seg_max = FM10K_TX_MAX_MTU_SEG, }; dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G | @@ -2749,8 +2751,10 @@ fm10k_set_tx_function(struct rte_eth_dev *dev) fm10k_txq_vec_setup(txq); } dev->tx_pkt_burst = fm10k_xmit_pkts_vec; + dev->tx_pkt_prep = fm10k_prep_pkts_simple; } else { dev->tx_pkt_burst = fm10k_xmit_pkts; + dev->tx_pkt_prep = fm10k_prep_pkts; PMD_INIT_LOG(DEBUG, "Use regular Tx func"); } } @@ -2829,6 +2833,7 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev) dev->dev_ops = &fm10k_eth_dev_ops; dev->rx_pkt_burst = &fm10k_recv_pkts; dev->tx_pkt_burst = &fm10k_xmit_pkts; + dev->tx_pkt_prep = &fm10k_prep_pkts; /* only initialize in the primary process */ if (rte_eal_process_type() != RTE_PROC_PRIMARY) diff --git a/drivers/net/fm10k/fm10k_rxtx.c b/drivers/net/fm10k/fm10k_rxtx.c index 5b2d04b..e4c531f 100644 --- a/drivers/net/fm10k/fm10k_rxtx.c +++ b/drivers/net/fm10k/fm10k_rxtx.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2013-2015 Intel Corporation. All rights reserved. + * Copyright(c) 2013-2016 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -35,6 +35,7 @@ #include #include +#include #include "fm10k.h" #include "base/fm10k_type.h" @@ -65,6 +66,15 @@ static inline void dump_rxd(union fm10k_rx_desc *rxd) } #endif +#define FM10K_TX_OFFLOAD_MASK ( \ + PKT_TX_VLAN_PKT | \ + PKT_TX_IP_CKSUM | \ + PKT_TX_L4_MASK | \ + PKT_TX_TCP_SEG) + +#define FM10K_TX_OFFLOAD_NOTSUP_MASK \ + (PKT_TX_OFFLOAD_MASK ^ FM10K_TX_OFFLOAD_MASK) + /* @note: When this function is changed, make corresponding change to * fm10k_dev_supported_ptypes_get() */ @@ -583,3 +593,70 @@ fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, return count; } + +uint16_t +fm10k_prep_pkts(void *tx_queue __rte_unused, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + int i, ret; + struct rte_mbuf *m; + + for (i = 0; i < nb_pkts; i++) { + m = tx_pkts[i]; + + if ((m->ol_flags & PKT_TX_TCP_SEG) && + (m->tso_segsz < FM10K_TSO_MINMSS)) { + rte_errno = -EINVAL; + return i; + } + + if (m->ol_flags & FM10K_TX_OFFLOAD_NOTSUP_MASK) { + 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_phdr_cksum_fix(m); + if (ret != 0) { + rte_errno = ret; + return i; + } + } + + return i; +} + +/* fm10k vector TX path doesn't support tx offloads */ +uint16_t +fm10k_prep_pkts_simple(void *tx_queue __rte_unused, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + int 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; + + /* simple tx path doesn't support multi-segments */ + if (m->nb_segs != 1) { + rte_errno = -EINVAL; + return i; + } + + /* For simple path no tx offloads are supported */ + if (ol_flags & PKT_TX_OFFLOAD_MASK) { + rte_errno = -EINVAL; + return i; + } + } + + return i; +} -- 1.7.9.5