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BLUPR0701MB1650; 6:U35ND3mrIJhA2KEcK/wEQPHQvnczGdFsJUTeWllw+9QnVjhtkDMUD9eNnzGYrzFyIc6vooE3gOXnj6HCnIH+wc5jY9jTMf6NYNGfB0/73Cd+piGKaKG+OxQNgyqTpt26N97eIKJiK0JGK3JZoX82wKBKjIJV4os08EMbEoW33wL26fNh4AVLt30Y+wFYf+Rxr/Mm/vqAxAp263eZJ3crewQNlItu8sB2YadqJRRn3uZkC3oFVSghPS4xs543i/RIkkG575vg/tbuLK1ulFfnRRF2kk3n1ngkcWBafJuSmVjyWPkbzARCg9UhRNX7x0yLWB7YQqhYlxhciFWG/RFXa6ICEF7WY2/AAKaFnuDezX0p11kqL6GhjbUtqRM0ZcIdpMpibxJ4jO0eY60KXNSQHxiGkIBLJV8p426BDjhhrTwetSChQzkhwMRH7IAJpKq5J9JAPHnV/NTBfCUZu2iggw==; 5:AjbogMdX6TjwQJC2c9ydHbENhe0U+nuqPqgxfxJr7wYbzrzp78AXTZMC9SQDC2S2JpGajVzCqYNolv8yWaaTEvIvRvM4D6zv8YrOrRL8YKnT734sSC+MlbObANM0HQ8rmW02SGONuoveG/0v39mDQTcwsZ8kIdmLT8QF5snlDjM=; 7:8mKynijT5fmobgztybR6uf3MERPrJ6DdT5tHuDR7JTW9tydhbyBCZIRdJFrPPQT1x+ZPaZ+Wa1jpaPG86EFV4VqFihPCFNd5p2KEA7AAZ+3XzZagXMPAUdph7OWhzZrcc7cJJpL+iJZOWuG7K/ZmebjWqlSGbwIQ+mTDgFHP6aar26bMc4W7TuqSjBPM9J4IeqAnEyBcqAmvNT2ubn5zMl0Fcs1tmt4XuPk6j6311xY+La95tXBnzH2CUP6iIa94 SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: aquantia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Sep 2018 10:32:21.2058 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d0d5cf48-fd69-4a35-3374-08d625f6da3b X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 83e2e134-991c-4ede-8ced-34d47e38e6b1 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLUPR0701MB1650 Subject: [dpdk-dev] [PATCH v3 16/22] net/atlantic: flow control configuration 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Pavel Belous Signed-off-by: Igor Russkikh Signed-off-by: Pavel Belous --- drivers/net/atlantic/atl_ethdev.c | 54 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/drivers/net/atlantic/atl_ethdev.c b/drivers/net/atlantic/atl_ethdev.c index 51e933a3559a..243020dc00a9 100644 --- a/drivers/net/atlantic/atl_ethdev.c +++ b/drivers/net/atlantic/atl_ethdev.c @@ -54,6 +54,12 @@ static void atl_dev_info_get(struct rte_eth_dev *dev, static const uint32_t *atl_dev_supported_ptypes_get(struct rte_eth_dev *dev); +/* Flow control */ +static int atl_flow_ctrl_get(struct rte_eth_dev *dev, + struct rte_eth_fc_conf *fc_conf); +static int atl_flow_ctrl_set(struct rte_eth_dev *dev, + struct rte_eth_fc_conf *fc_conf); + static void atl_dev_link_status_print(struct rte_eth_dev *dev); /* Interrupts */ @@ -224,6 +230,10 @@ static const struct eth_dev_ops atl_eth_dev_ops = { .rx_descriptor_status = atl_dev_rx_descriptor_status, .tx_descriptor_status = atl_dev_tx_descriptor_status, + /* Flow Control */ + .flow_ctrl_get = atl_flow_ctrl_get, + .flow_ctrl_set = atl_flow_ctrl_set, + .rxq_info_get = atl_rxq_info_get, .txq_info_get = atl_txq_info_get, @@ -357,6 +367,7 @@ eth_atl_dev_init(struct rte_eth_dev *eth_dev) AQ_NIC_RATE_1G | AQ_NIC_RATE_100M; + adapter->hw_cfg.flow_control = (AQ_NIC_FC_RX | AQ_NIC_FC_TX); adapter->hw_cfg.aq_rss.indirection_table_size = HW_ATL_B0_RSS_REDIRECTION_MAX; @@ -1119,6 +1130,49 @@ atl_dev_interrupt_handler(void *param) atl_dev_interrupt_action(dev, dev->intr_handle); } + +static int +atl_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) +{ + struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + if (hw->aq_nic_cfg->flow_control == AQ_NIC_FC_OFF) + fc_conf->mode = RTE_FC_NONE; + else if (hw->aq_nic_cfg->flow_control & (AQ_NIC_FC_RX | AQ_NIC_FC_TX)) + fc_conf->mode = RTE_FC_FULL; + else if (hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX) + fc_conf->mode = RTE_FC_RX_PAUSE; + else if (hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX) + fc_conf->mode = RTE_FC_TX_PAUSE; + + return 0; +} + +static int +atl_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) +{ + struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private); + uint32_t old_flow_control = hw->aq_nic_cfg->flow_control; + + + if (hw->aq_fw_ops->set_flow_control == NULL) + return -ENOTSUP; + + if (fc_conf->mode == RTE_FC_NONE) + hw->aq_nic_cfg->flow_control = AQ_NIC_FC_OFF; + else if (fc_conf->mode == RTE_FC_RX_PAUSE) + hw->aq_nic_cfg->flow_control = AQ_NIC_FC_RX; + else if (fc_conf->mode == RTE_FC_TX_PAUSE) + hw->aq_nic_cfg->flow_control = AQ_NIC_FC_TX; + else if (fc_conf->mode == RTE_FC_FULL) + hw->aq_nic_cfg->flow_control = (AQ_NIC_FC_RX | AQ_NIC_FC_TX); + + if (old_flow_control != hw->aq_nic_cfg->flow_control) + return hw->aq_fw_ops->set_flow_control(hw); + + return 0; +} + static int atl_reta_update(struct rte_eth_dev *dev, struct rte_eth_rss_reta_entry64 *reta_conf,