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 patch fix first issue by not changing RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool and second by comparing nb_q_per_pool separately for RX (nb_rx_q_per_pool) and for TX (nb_tx_q_per_pool). Signed-off-by: Pawel Wodkowski <pawelx.wodkowski at intel.com> --- lib/librte_ether/rte_ethdev.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 62d7f6e..85385f8 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -548,6 +548,9 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, return (-EINVAL); } + uint16_t nb_rx_q_per_pool = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool; + uint16_t nb_tx_q_per_pool = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool; + switch (dev_conf->rxmode.mq_mode) { case ETH_MQ_RX_VMDQ_DCB: case ETH_MQ_RX_VMDQ_DCB_RSS: @@ -580,8 +583,8 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, default: /* ETH_MQ_RX_VMDQ_ONLY or ETH_MQ_RX_NONE */ /* if nothing mq mode configure, use default scheme */ dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY; - if (RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool > 1) - RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1; + if (nb_rx_q_per_pool > 1) + nb_rx_q_per_pool = 1; break; } @@ -596,15 +599,16 @@ rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, default: /* ETH_MQ_TX_VMDQ_ONLY or ETH_MQ_TX_NONE */ /* if nothing mq mode configure, use default scheme */ dev->data->dev_conf.txmode.mq_mode = ETH_MQ_TX_VMDQ_ONLY; + if (nb_tx_q_per_pool > 1) + nb_tx_q_per_pool = 1; break; } /* check valid queue number */ - if ((nb_rx_q > RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool) || - (nb_tx_q > RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool)) { + if (nb_rx_q > nb_rx_q_per_pool || nb_tx_q > nb_tx_q_per_pool) { PMD_DEBUG_TRACE("ethdev port_id=%d SRIOV active, " - "queue number must less equal to %d\n", - port_id, RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool); + "rx/tx queue number must less or equal to %d/%d\n", + port_id, nb_rx_q_per_pool, nb_tx_q_per_pool); return (-EINVAL); } } else { -- 1.7.9.5