From 0ed5e26eb0a5e9b5b17c7a315833df24480db38b Mon Sep 17 00:00:00 2001 From: Xiao Zhang Date: Thu, 25 Jul 2019 19:18:35 +0800 Subject: [PATCH] net/ice: support multi-process Add multiple processes support for ice, secondary processes will share memory and configuration with primary process, do not need further initialization for secondary processes. Signed-off-by: Xiao Zhang Acked-by: Qi Zhang --- drivers/net/ice/ice_ethdev.c | 12 ++++++ drivers/net/ice/ice_ethdev.h | 2 + drivers/net/ice/ice_rxtx.c | 74 +++++++++++++++++++++++------------- 3 files changed, 62 insertions(+), 26 deletions(-) diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index 44a14cb8aa..63997fdfba 100644 --- a/drivers/net/ice/ice_ethdev.c +++ b/drivers/net/ice/ice_ethdev.c @@ -1434,6 +1434,15 @@ ice_dev_init(struct rte_eth_dev *dev) dev->tx_pkt_burst = ice_xmit_pkts; dev->tx_pkt_prepare = ice_prep_pkts; + /* for secondary processes, we don't initialise any further as primary + * has already done this work. + */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + ice_set_rx_function(dev); + ice_set_tx_function(dev); + return 0; + } + ice_set_default_ptype_table(dev); pci_dev = RTE_DEV_TO_PCI(dev->device); intr_handle = &pci_dev->intr_handle; @@ -1682,6 +1691,9 @@ ice_dev_uninit(struct rte_eth_dev *dev) struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct rte_flow *p_flow; + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + ice_dev_close(dev); dev->dev_ops = NULL; diff --git a/drivers/net/ice/ice_ethdev.h b/drivers/net/ice/ice_ethdev.h index f569da8339..c4444f903f 100644 --- a/drivers/net/ice/ice_ethdev.h +++ b/drivers/net/ice/ice_ethdev.h @@ -289,6 +289,8 @@ struct ice_adapter { struct rte_eth_dev *eth_dev; struct ice_pf pf; bool rx_bulk_alloc_allowed; + bool rx_vec_allowed; + bool tx_vec_allowed; bool tx_simple_allowed; /* ptype mapping table */ uint32_t ptype_tbl[ICE_MAX_PKT_TYPE] __rte_cache_min_aligned; diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c index 0282b5375b..81af81441e 100644 --- a/drivers/net/ice/ice_rxtx.c +++ b/drivers/net/ice/ice_rxtx.c @@ -2332,35 +2332,46 @@ ice_set_rx_function(struct rte_eth_dev *dev) int i; bool use_avx2 = false; - if (!ice_rx_vec_dev_check(dev)) { - for (i = 0; i < dev->data->nb_rx_queues; i++) { - rxq = dev->data->rx_queues[i]; - (void)ice_rxq_vec_setup(rxq); - } + if (rte_eal_process_type() == RTE_PROC_PRIMARY) { + if (!ice_rx_vec_dev_check(dev) && ad->rx_bulk_alloc_allowed) { + ad->rx_vec_allowed = true; + for (i = 0; i < dev->data->nb_rx_queues; i++) { + rxq = dev->data->rx_queues[i]; + if (rxq && ice_rxq_vec_setup(rxq)) { + ad->rx_vec_allowed = false; + break; + } + } + + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || + rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) + use_avx2 = true; - if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || - rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) - use_avx2 = true; + } else { + ad->rx_vec_allowed = false; + } + } + if (ad->rx_vec_allowed) { if (dev->data->scattered_rx) { PMD_DRV_LOG(DEBUG, - "Using %sVector Scattered Rx (port %d).", - use_avx2 ? "avx2 " : "", - dev->data->port_id); + "Using %sVector Scattered Rx (port %d).", + use_avx2 ? "avx2 " : "", + dev->data->port_id); dev->rx_pkt_burst = use_avx2 ? - ice_recv_scattered_pkts_vec_avx2 : - ice_recv_scattered_pkts_vec; + ice_recv_scattered_pkts_vec_avx2 : + ice_recv_scattered_pkts_vec; } else { PMD_DRV_LOG(DEBUG, "Using %sVector Rx (port %d).", - use_avx2 ? "avx2 " : "", - dev->data->port_id); + use_avx2 ? "avx2 " : "", + dev->data->port_id); dev->rx_pkt_burst = use_avx2 ? - ice_recv_pkts_vec_avx2 : - ice_recv_pkts_vec; + ice_recv_pkts_vec_avx2 : + ice_recv_pkts_vec; } - return; } + #endif if (dev->data->scattered_rx) { @@ -2464,16 +2475,27 @@ ice_set_tx_function(struct rte_eth_dev *dev) int i; bool use_avx2 = false; - if (!ice_tx_vec_dev_check(dev)) { - for (i = 0; i < dev->data->nb_tx_queues; i++) { - txq = dev->data->tx_queues[i]; - (void)ice_txq_vec_setup(txq); - } + if (rte_eal_process_type() == RTE_PROC_PRIMARY) { + if (!ice_tx_vec_dev_check(dev)) { + ad->tx_vec_allowed = true; + for (i = 0; i < dev->data->nb_tx_queues; i++) { + txq = dev->data->tx_queues[i]; + if (txq && ice_txq_vec_setup(txq)) { + ad->tx_vec_allowed = false; + break; + } + } - if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || - rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) - use_avx2 = true; + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || + rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) + use_avx2 = true; + + } else { + ad->tx_vec_allowed = false; + } + } + if (ad->tx_vec_allowed) { PMD_DRV_LOG(DEBUG, "Using %sVector Tx (port %d).", use_avx2 ? "avx2 " : "", dev->data->port_id); -- 2.20.1