> -----Original Message----- > From: Ouyang, Changchun > Sent: Tuesday, January 20, 2015 2:33 AM > To: Wodkowski, PawelX; dev at dpdk.org > Cc: Ouyang, Changchun > Subject: RE: [dpdk-dev] [PATCH v2 2/4] ethdev: prevent changing of > nb_q_per_pool in rte_eth_dev_check_mq_mode() > > > > > -----Original Message----- > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Pawel Wodkowski > > Sent: Monday, January 19, 2015 9:02 PM > > To: dev at dpdk.org > > Subject: [dpdk-dev] [PATCH v2 2/4] ethdev: prevent changing of > > nb_q_per_pool in rte_eth_dev_check_mq_mode() > > > > If SRIOV is used and device configuration does not use MQ the > > RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool is set to 1 in > > rte_eth_dev_check_mq_mode(). > > This is bad becouse of two reasons: > > 1. Port reconfiguration from non-MQ mode to MQ mode is impossible 2. > > Confguring RX and TX side in different way is impossible. > > > > This case is possible: > rxmode.mq_mode is ETH_MQ_RX_VMDQ_RSS, and txmode.mq_mode is > ETH_MQ_TX_NONE. > but ETH_MQ_RX_NONE -> ETH_MQ_RX_VMDQ_RSS is not.
I have 8 VFs In testpmd testpmd> port config all rxq 2 port config all rxq 2 testpmd> port start 0 port start 0 Configuring Port 0 (socket 0) Fail to configure port 0 testpmd> port config all rxq 4 port config all rxq 4 testpmd> port start 0 port start 0 Configuring Port 0 (socket 0) Fail to configure port 0 testpmd> port config all rxq 8 port config all rxq 8 testpmd> port start all port start all Configuring Port 0 (socket 0) Fail to configure port 0 testpmd> port config all rxq 1 port config all rxq 1 testpmd> port start 0 port start 0 Configuring Port 0 (socket 0) PMD: ixgbe_dev_tx_queue_setup(): sw_ring=0x7ffec0ae9140 hw_ring=0x7ffec2c0bf00 dma_addr=0x102c0bf00 PMD: set_tx_function(): Using full-featured tx code path PMD: set_tx_function(): - txq_flags = 0 [IXGBE_SIMPLE_FLAGS=f01] PMD: set_tx_function(): - tx_rs_thresh = 32 [RTE_PMD_IXGBE_TX_MAX_BURST=32] PMD: ixgbe_dev_rx_queue_setup(): sw_ring=0x7ffec0ae88c0 hw_ring=0x7ffec2c1bf00 dma_addr=0x102c1bf00 PMD: ixgbe_dev_rx_queue_setup(): Rx Burst Bulk Alloc Preconditions are satisfied. Rx Burst Bulk Alloc function will be used on port=0, queue=0. PMD: ixgbe_dev_rx_queue_setup(): Vector rx enabled, please make sure RX burst size no less than 32. Port 0: 00:1B:21:C7:33:B0 Checking link statuses... Port 0 Link Up - speed 10000 Mbps - full-duplex Port 1 Link Down Done testpmd> Please refer to RSS patch thread. I will post there second reply. Pawel
