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net/ixgbe: implement power management API

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Implement support for the power management API by implementing a
`get_monitor_addr` function that will return an address of an RX ring's
status bit.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Signed-off-by: Liang Ma <liang.j.ma@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
This commit is contained in:
Liang Ma 2021-01-14 14:46:10 +00:00 committed by Thomas Monjalon
parent 1fe3eef5e9
commit 3982b7967b
3 changed files with 27 additions and 0 deletions
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1
drivers/net/ixgbe/ixgbe_ethdev.c
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@ -560,6 +560,7 @@ static const struct eth_dev_ops ixgbe_eth_dev_ops = {
.udp_tunnel_port_del = ixgbe_dev_udp_tunnel_port_del,
.tm_ops_get = ixgbe_tm_ops_get,
.tx_done_cleanup = ixgbe_dev_tx_done_cleanup,
.get_monitor_addr = ixgbe_get_monitor_addr,
};
/*

25
drivers/net/ixgbe/ixgbe_rxtx.c
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@ -1369,6 +1369,31 @@ const uint32_t
RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_UDP,
};
int
ixgbe_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc)
{
volatile union ixgbe_adv_rx_desc *rxdp;
struct ixgbe_rx_queue *rxq = rx_queue;
uint16_t desc;
desc = rxq->rx_tail;
rxdp = &rxq->rx_ring[desc];
/* watch for changes in status bit */
pmc->addr = &rxdp->wb.upper.status_error;
/*
* we expect the DD bit to be set to 1 if this descriptor was already
* written to.
*/
pmc->val = rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD);
pmc->mask = rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD);
/* the registers are 32-bit */
pmc->data_sz = sizeof(uint32_t);
return 0;
}
/* @note: fix ixgbe_dev_supported_ptypes_get() if any change here. */
static inline uint32_t
ixgbe_rxd_pkt_info_to_pkt_type(uint32_t pkt_info, uint16_t ptype_mask)

1
drivers/net/ixgbe/ixgbe_rxtx.h
View File

@ -299,5 +299,6 @@ uint64_t ixgbe_get_tx_port_offloads(struct rte_eth_dev *dev);
uint64_t ixgbe_get_rx_queue_offloads(struct rte_eth_dev *dev);
uint64_t ixgbe_get_rx_port_offloads(struct rte_eth_dev *dev);
uint64_t ixgbe_get_tx_queue_offloads(struct rte_eth_dev *dev);
int ixgbe_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc);
#endif /* _IXGBE_RXTX_H_ */