From: Konstantin Ananyev Date: Tue, 27 Oct 2015 12:51:45 +0000 (+0000) Subject: ixgbe: get queue info and descriptor limits X-Git-Tag: spdx-start~8215 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=dee5f1fd5fc731919b408a4c8ea9c4233e7deedd;p=dpdk.git ixgbe: get queue info and descriptor limits Signed-off-by: Konstantin Ananyev Acked-by: Remy Horton --- diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index e9ce466c33..38d44d419b 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -388,6 +388,18 @@ static const struct rte_pci_id pci_id_ixgbevf_map[] = { }; +static const struct rte_eth_desc_lim rx_desc_lim = { + .nb_max = IXGBE_MAX_RING_DESC, + .nb_min = IXGBE_MIN_RING_DESC, + .nb_align = IXGBE_RXD_ALIGN, +}; + +static const struct rte_eth_desc_lim tx_desc_lim = { + .nb_max = IXGBE_MAX_RING_DESC, + .nb_min = IXGBE_MIN_RING_DESC, + .nb_align = IXGBE_TXD_ALIGN, +}; + static const struct eth_dev_ops ixgbe_eth_dev_ops = { .dev_configure = ixgbe_dev_configure, .dev_start = ixgbe_dev_start, @@ -458,6 +470,8 @@ static const struct eth_dev_ops ixgbe_eth_dev_ops = { .rss_hash_conf_get = ixgbe_dev_rss_hash_conf_get, .filter_ctrl = ixgbe_dev_filter_ctrl, .set_mc_addr_list = ixgbe_dev_set_mc_addr_list, + .rxq_info_get = ixgbe_rxq_info_get, + .txq_info_get = ixgbe_txq_info_get, .timesync_enable = ixgbe_timesync_enable, .timesync_disable = ixgbe_timesync_disable, .timesync_read_rx_timestamp = ixgbe_timesync_read_rx_timestamp, @@ -497,6 +511,8 @@ static const struct eth_dev_ops ixgbevf_eth_dev_ops = { .mac_addr_add = ixgbevf_add_mac_addr, .mac_addr_remove = ixgbevf_remove_mac_addr, .set_mc_addr_list = ixgbe_dev_set_mc_addr_list, + .rxq_info_get = ixgbe_rxq_info_get, + .txq_info_get = ixgbe_txq_info_get, .mac_addr_set = ixgbevf_set_default_mac_addr, .get_reg_length = ixgbevf_get_reg_length, .get_reg = ixgbevf_get_regs, @@ -2580,6 +2596,10 @@ ixgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | ETH_TXQ_FLAGS_NOOFFLOADS, }; + + dev_info->rx_desc_lim = rx_desc_lim; + dev_info->tx_desc_lim = tx_desc_lim; + dev_info->hash_key_size = IXGBE_HKEY_MAX_INDEX * sizeof(uint32_t); dev_info->reta_size = ixgbe_reta_size_get(hw->mac.type); dev_info->flow_type_rss_offloads = IXGBE_RSS_OFFLOAD_ALL; @@ -2634,6 +2654,9 @@ ixgbevf_dev_info_get(struct rte_eth_dev *dev, .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | ETH_TXQ_FLAGS_NOOFFLOADS, }; + + dev_info->rx_desc_lim = rx_desc_lim; + dev_info->tx_desc_lim = tx_desc_lim; } /* return 0 means link status changed, -1 means not changed */ diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h index ccef592f30..569d678f0f 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.h +++ b/drivers/net/ixgbe/ixgbe_ethdev.h @@ -357,6 +357,12 @@ int ixgbe_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id); int ixgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id); +void ixgbe_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_rxq_info *qinfo); + +void ixgbe_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_txq_info *qinfo); + int ixgbevf_dev_rx_init(struct rte_eth_dev *dev); void ixgbevf_dev_tx_init(struct rte_eth_dev *dev); diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index ad66b0971b..5d7924c7a8 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -1820,25 +1820,6 @@ ixgbe_recv_pkts_lro_bulk_alloc(void *rx_queue, struct rte_mbuf **rx_pkts, * **********************************************************************/ -/* - * Rings setup and release. - * - * TDBA/RDBA should be aligned on 16 byte boundary. But TDLEN/RDLEN should be - * multiple of 128 bytes. So we align TDBA/RDBA on 128 byte boundary. This will - * also optimize cache line size effect. H/W supports up to cache line size 128. - */ -#define IXGBE_ALIGN 128 - -/* - * Maximum number of Ring Descriptors. - * - * Since RDLEN/TDLEN should be multiple of 128 bytes, the number of ring - * descriptors should meet the following condition: - * (num_ring_desc * sizeof(rx/tx descriptor)) % 128 == 0 - */ -#define IXGBE_MIN_RING_DESC 32 -#define IXGBE_MAX_RING_DESC 4096 - /* * Create memzone for HW rings. malloc can't be used as the physical address is * needed. If the memzone is already created, then this function returns a ptr @@ -2007,9 +1988,9 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev, * It must not exceed hardware maximum, and must be multiple * of IXGBE_ALIGN. */ - if (((nb_desc * sizeof(union ixgbe_adv_tx_desc)) % IXGBE_ALIGN) != 0 || - (nb_desc > IXGBE_MAX_RING_DESC) || - (nb_desc < IXGBE_MIN_RING_DESC)) { + if (nb_desc % IXGBE_TXD_ALIGN != 0 || + (nb_desc > IXGBE_MAX_RING_DESC) || + (nb_desc < IXGBE_MIN_RING_DESC)) { return -EINVAL; } @@ -2374,9 +2355,9 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev, * It must not exceed hardware maximum, and must be multiple * of IXGBE_ALIGN. */ - if (((nb_desc * sizeof(union ixgbe_adv_rx_desc)) % IXGBE_ALIGN) != 0 || - (nb_desc > IXGBE_MAX_RING_DESC) || - (nb_desc < IXGBE_MIN_RING_DESC)) { + if (nb_desc % IXGBE_RXD_ALIGN != 0 || + (nb_desc > IXGBE_MAX_RING_DESC) || + (nb_desc < IXGBE_MIN_RING_DESC)) { return (-EINVAL); } @@ -4684,6 +4665,43 @@ ixgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) return 0; } +void +ixgbe_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_rxq_info *qinfo) +{ + struct ixgbe_rx_queue *rxq; + + rxq = dev->data->rx_queues[queue_id]; + + qinfo->mp = rxq->mb_pool; + qinfo->scattered_rx = dev->data->scattered_rx; + qinfo->nb_desc = rxq->nb_rx_desc; + + qinfo->conf.rx_free_thresh = rxq->rx_free_thresh; + qinfo->conf.rx_drop_en = rxq->drop_en; + qinfo->conf.rx_deferred_start = rxq->rx_deferred_start; +} + +void +ixgbe_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_txq_info *qinfo) +{ + struct ixgbe_tx_queue *txq; + + txq = dev->data->tx_queues[queue_id]; + + qinfo->nb_desc = txq->nb_tx_desc; + + qinfo->conf.tx_thresh.pthresh = txq->pthresh; + qinfo->conf.tx_thresh.hthresh = txq->hthresh; + qinfo->conf.tx_thresh.wthresh = txq->wthresh; + + qinfo->conf.tx_free_thresh = txq->tx_free_thresh; + qinfo->conf.tx_rs_thresh = txq->tx_rs_thresh; + qinfo->conf.txq_flags = txq->txq_flags; + qinfo->conf.tx_deferred_start = txq->tx_deferred_start; +} + /* * [VF] Initializes Receive Unit. */ diff --git a/drivers/net/ixgbe/ixgbe_rxtx.h b/drivers/net/ixgbe/ixgbe_rxtx.h index b9eca67d29..475a800553 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.h +++ b/drivers/net/ixgbe/ixgbe_rxtx.h @@ -34,6 +34,27 @@ #ifndef _IXGBE_RXTX_H_ #define _IXGBE_RXTX_H_ +/* + * Rings setup and release. + * + * TDBA/RDBA should be aligned on 16 byte boundary. But TDLEN/RDLEN should be + * multiple of 128 bytes. So we align TDBA/RDBA on 128 byte boundary. This will + * also optimize cache line size effect. H/W supports up to cache line size 128. + */ +#define IXGBE_ALIGN 128 + +#define IXGBE_RXD_ALIGN (IXGBE_ALIGN / sizeof(union ixgbe_adv_rx_desc)) +#define IXGBE_TXD_ALIGN (IXGBE_ALIGN / sizeof(union ixgbe_adv_tx_desc)) + +/* + * Maximum number of Ring Descriptors. + * + * Since RDLEN/TDLEN should be multiple of 128 bytes, the number of ring + * descriptors should meet the following condition: + * (num_ring_desc * sizeof(rx/tx descriptor)) % 128 == 0 + */ +#define IXGBE_MIN_RING_DESC 32 +#define IXGBE_MAX_RING_DESC 4096 #define RTE_PMD_IXGBE_TX_MAX_BURST 32 #define RTE_PMD_IXGBE_RX_MAX_BURST 32