ETH_RSS_IPV6_TCP_EX | \
ETH_RSS_IPV6_UDP_EX)
+/*
+ * Maximum number of Ring Descriptors.
+ *
+ * Since RDLEN/TDLEN should be multiple of 128 bytes, the number of ring
+ * desscriptors should meet the following condition:
+ * (num_ring_desc * sizeof(struct e1000_rx/tx_desc)) % 128 == 0
+ */
+#define E1000_MIN_RING_DESC 32
+#define E1000_MAX_RING_DESC 4096
+
+/*
+ * 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 E1000_ALIGN 128
+
+#define IGB_RXD_ALIGN (E1000_ALIGN / sizeof(union e1000_adv_rx_desc))
+#define IGB_TXD_ALIGN (E1000_ALIGN / sizeof(union e1000_adv_tx_desc))
+
+#define EM_RXD_ALIGN (E1000_ALIGN / sizeof(struct e1000_rx_desc))
+#define EM_TXD_ALIGN (E1000_ALIGN / sizeof(struct e1000_data_desc))
+
/* structure for interrupt relative data */
struct e1000_interrupt {
uint32_t flags;
int igb_pf_host_configure(struct rte_eth_dev *eth_dev);
+void igb_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_rxq_info *qinfo);
+
+void igb_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_txq_info *qinfo);
+
/*
* RX/TX EM function prototypes
*/
uint16_t eth_em_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
+void em_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_rxq_info *qinfo);
+
+void em_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_txq_info *qinfo);
+
void igb_pf_host_uninit(struct rte_eth_dev *dev);
#endif /* _E1000_ETHDEV_H_ */
.mac_addr_add = eth_em_rar_set,
.mac_addr_remove = eth_em_rar_clear,
.set_mc_addr_list = eth_em_set_mc_addr_list,
+ .rxq_info_get = em_rxq_info_get,
+ .txq_info_get = em_txq_info_get,
};
/**
dev_info->max_rx_queues = 1;
dev_info->max_tx_queues = 1;
+
+ dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
+ .nb_max = E1000_MAX_RING_DESC,
+ .nb_min = E1000_MIN_RING_DESC,
+ .nb_align = EM_RXD_ALIGN,
+ };
+
+ dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
+ .nb_max = E1000_MAX_RING_DESC,
+ .nb_min = E1000_MIN_RING_DESC,
+ .nb_align = EM_TXD_ALIGN,
+ };
}
/* return 0 means link status changed, -1 means not changed */
return (nb_rx);
}
-/*
- * 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 EM_ALIGN 128
-
-/*
- * Maximum number of Ring Descriptors.
- *
- * Since RDLEN/TDLEN should be multiple of 128 bytes, the number of ring
- * desscriptors should meet the following condition:
- * (num_ring_desc * sizeof(struct e1000_rx/tx_desc)) % 128 == 0
- */
-#define EM_MIN_RING_DESC 32
-#define EM_MAX_RING_DESC 4096
-
#define EM_MAX_BUF_SIZE 16384
#define EM_RCTL_FLXBUF_STEP 1024
/*
* Validate number of transmit descriptors.
* It must not exceed hardware maximum, and must be multiple
- * of EM_ALIGN.
+ * of E1000_ALIGN.
*/
- if (((nb_desc * sizeof(*txq->tx_ring)) % EM_ALIGN) != 0 ||
- (nb_desc > EM_MAX_RING_DESC) ||
- (nb_desc < EM_MIN_RING_DESC)) {
+ if (nb_desc % EM_TXD_ALIGN != 0 ||
+ (nb_desc > E1000_MAX_RING_DESC) ||
+ (nb_desc < E1000_MIN_RING_DESC)) {
return -(EINVAL);
}
* handle the maximum ring size is allocated in order to allow for
* resizing in later calls to the queue setup function.
*/
- tsize = sizeof (txq->tx_ring[0]) * EM_MAX_RING_DESC;
+ tsize = sizeof(txq->tx_ring[0]) * E1000_MAX_RING_DESC;
if ((tz = ring_dma_zone_reserve(dev, "tx_ring", queue_idx, tsize,
socket_id)) == NULL)
return (-ENOMEM);
/*
* Validate number of receive descriptors.
* It must not exceed hardware maximum, and must be multiple
- * of EM_ALIGN.
+ * of E1000_ALIGN.
*/
- if (((nb_desc * sizeof(rxq->rx_ring[0])) % EM_ALIGN) != 0 ||
- (nb_desc > EM_MAX_RING_DESC) ||
- (nb_desc < EM_MIN_RING_DESC)) {
+ if (nb_desc % EM_RXD_ALIGN != 0 ||
+ (nb_desc > E1000_MAX_RING_DESC) ||
+ (nb_desc < E1000_MIN_RING_DESC)) {
return (-EINVAL);
}
}
/* Allocate RX ring for max possible mumber of hardware descriptors. */
- rsize = sizeof (rxq->rx_ring[0]) * EM_MAX_RING_DESC;
+ rsize = sizeof(rxq->rx_ring[0]) * E1000_MAX_RING_DESC;
if ((rz = ring_dma_zone_reserve(dev, "rx_ring", queue_idx, rsize,
socket_id)) == NULL)
return (-ENOMEM);
/* This write will effectively turn on the transmit unit. */
E1000_WRITE_REG(hw, E1000_TCTL, tctl);
}
+
+void
+em_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_rxq_info *qinfo)
+{
+ struct em_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;
+}
+
+void
+em_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_txq_info *qinfo)
+{
+ struct em_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;
+}
{0},
};
+static const struct rte_eth_desc_lim rx_desc_lim = {
+ .nb_max = E1000_MAX_RING_DESC,
+ .nb_min = E1000_MIN_RING_DESC,
+ .nb_align = IGB_RXD_ALIGN,
+};
+
+static const struct rte_eth_desc_lim tx_desc_lim = {
+ .nb_max = E1000_MAX_RING_DESC,
+ .nb_min = E1000_MIN_RING_DESC,
+ .nb_align = IGB_RXD_ALIGN,
+};
+
static const struct eth_dev_ops eth_igb_ops = {
.dev_configure = eth_igb_configure,
.dev_start = eth_igb_start,
.rss_hash_conf_get = eth_igb_rss_hash_conf_get,
.filter_ctrl = eth_igb_filter_ctrl,
.set_mc_addr_list = eth_igb_set_mc_addr_list,
+ .rxq_info_get = igb_rxq_info_get,
+ .txq_info_get = igb_txq_info_get,
.timesync_enable = igb_timesync_enable,
.timesync_disable = igb_timesync_disable,
.timesync_read_rx_timestamp = igb_timesync_read_rx_timestamp,
.tx_queue_setup = eth_igb_tx_queue_setup,
.tx_queue_release = eth_igb_tx_queue_release,
.set_mc_addr_list = eth_igb_set_mc_addr_list,
+ .rxq_info_get = igb_rxq_info_get,
+ .txq_info_get = igb_txq_info_get,
.mac_addr_set = igbvf_default_mac_addr_set,
.get_reg_length = igbvf_get_reg_length,
.get_reg = igbvf_get_regs,
},
.txq_flags = 0,
};
+
+ dev_info->rx_desc_lim = rx_desc_lim;
+ dev_info->tx_desc_lim = tx_desc_lim;
}
static void
},
.txq_flags = 0,
};
+
+ 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 */
return (nb_rx);
}
-/*
- * 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 IGB_ALIGN 128
-
/*
* Maximum number of Ring Descriptors.
*
* desscriptors should meet the following condition:
* (num_ring_desc * sizeof(struct e1000_rx/tx_desc)) % 128 == 0
*/
-#define IGB_MIN_RING_DESC 32
-#define IGB_MAX_RING_DESC 4096
-
static const struct rte_memzone *
ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,
uint16_t queue_id, uint32_t ring_size, int socket_id)
#ifdef RTE_LIBRTE_XEN_DOM0
return rte_memzone_reserve_bounded(z_name, ring_size,
- socket_id, 0, IGB_ALIGN, RTE_PGSIZE_2M);
+ socket_id, 0, E1000_ALIGN, RTE_PGSIZE_2M);
#else
return rte_memzone_reserve_aligned(z_name, ring_size,
- socket_id, 0, IGB_ALIGN);
+ socket_id, 0, E1000_ALIGN);
#endif
}
/*
* Validate number of transmit descriptors.
* It must not exceed hardware maximum, and must be multiple
- * of IGB_ALIGN.
+ * of E1000_ALIGN.
*/
- if (((nb_desc * sizeof(union e1000_adv_tx_desc)) % IGB_ALIGN) != 0 ||
- (nb_desc > IGB_MAX_RING_DESC) || (nb_desc < IGB_MIN_RING_DESC)) {
+ if (nb_desc % IGB_TXD_ALIGN != 0 ||
+ (nb_desc > E1000_MAX_RING_DESC) ||
+ (nb_desc < E1000_MIN_RING_DESC)) {
return -EINVAL;
}
* handle the maximum ring size is allocated in order to allow for
* resizing in later calls to the queue setup function.
*/
- size = sizeof(union e1000_adv_tx_desc) * IGB_MAX_RING_DESC;
+ size = sizeof(union e1000_adv_tx_desc) * E1000_MAX_RING_DESC;
tz = ring_dma_zone_reserve(dev, "tx_ring", queue_idx,
size, socket_id);
if (tz == NULL) {
/*
* Validate number of receive descriptors.
* It must not exceed hardware maximum, and must be multiple
- * of IGB_ALIGN.
+ * of E1000_ALIGN.
*/
- if (((nb_desc * sizeof(union e1000_adv_rx_desc)) % IGB_ALIGN) != 0 ||
- (nb_desc > IGB_MAX_RING_DESC) || (nb_desc < IGB_MIN_RING_DESC)) {
+ if (nb_desc % IGB_RXD_ALIGN != 0 ||
+ (nb_desc > E1000_MAX_RING_DESC) ||
+ (nb_desc < E1000_MIN_RING_DESC)) {
return (-EINVAL);
}
* handle the maximum ring size is allocated in order to allow for
* resizing in later calls to the queue setup function.
*/
- size = sizeof(union e1000_adv_rx_desc) * IGB_MAX_RING_DESC;
+ size = sizeof(union e1000_adv_rx_desc) * E1000_MAX_RING_DESC;
rz = ring_dma_zone_reserve(dev, "rx_ring", queue_idx, size, socket_id);
if (rz == NULL) {
igb_rx_queue_release(rxq);
}
}
+
+void
+igb_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_rxq_info *qinfo)
+{
+ struct igb_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;
+}
+
+void
+igb_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_txq_info *qinfo)
+{
+ struct igb_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;
+}