Commit Graph

7 Commits

Author SHA1 Message Date
Wei Hu (Xavier)
9c740336f0 net/hns3: get device specifications from firmware
This patch adds getting PF/VF device specifications from firmware.

Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Hongbo Zheng <zhenghongbo3@huawei.com>
2020-09-18 18:55:07 +02:00
Lijun Ou
8eed8acc81 net/hns3: add error code to some logs
Here adds some prints for return value when the relative function fails
and enter the exception branch.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
2020-05-05 15:54:26 +02:00
Wei Hu (Xavier)
bd5b86732b net/hns3: modify format for firmware version
This patch modifies the print format for firmware version in the log, It
replaces "0x%08x" with "%lu.%lu.%lu.%lu" in the format control string.
By the way, this patch adds ".fw_version_get" ops implemation for hns3
VF PMD driver.

Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
2020-04-21 19:16:41 +02:00
Lijun Ou
10ed8b8721 net/hns3: simplify process of some return values
Currently, the return value processing of some functions can be combined
and the result is that some codes can be optimized.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
2020-04-21 13:57:07 +02:00
Lijun Ou
920be799db net/hns3: fix RSS indirection table configuration
For the current hns3 PMD driver, there are some RSS related bugs at
the following scenes:
1. Start the application with the number of Rx queues equals 1(--rxq=1),
   modify the number of Rx queue to some number greater than 1 during
   normal operation. As a result, upper application can't receive packets
   from multiple rx queues.
2. Start testpmd application with the option disable-rss and the number
   of Rx queue is greater than 1(--disable-rss --rxq=N, N>1). As a result,
   upper application still can receive packets from multiple rx queues.

The root cause as below:
There are some error configuration in the RSS indirection table of hns3
network engine.

This patch fixes them with the following modification.
1. When RSS size is changed, we need to update RSS redirection table
   maintained by driver and configure them to hardware. Besides, during
   the entire reset process, we need to ensure that the RSS table
   information are not overwritten and configured directly to the hardware
   in the RESET_STAGE_RESTORE stage of the reset process.
2. When sarting testpmd application with the options disable-rss, it
   doesn't need to configure RSS redirection table to hardware.

Fixes: c37ca66f2b ("net/hns3: support RSS")
Cc: stable@dpdk.org

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
2020-04-21 13:57:04 +02:00
Wei Hu (Xavier)
a951c1ed3a net/hns3: support different numbers of Rx and Tx queues
Hardware does not support individually enable/disable/reset the Tx or Rx
queue in hns3 network engine, driver must enable/disable/reset Tx and Rx
queues at the same time.

Currently, hns3 PMD driver does not support the scenarios as below:
1) When calling the following function, the input parameter nb_rx_q and
   nb_tx_q are not equal.
     rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q,
                      uint16_t nb_tx_q,
		      const struct rte_eth_conf *dev_conf);
2) When calling the following functions to setup queues, the
   cumulatively setup Rx queues are not the same as the setup Tx queues.
     rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,,,);
     rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,,,);
However, these are common usage scenarios in some applications, such as,
l3fwd, ip_ressmbly and OVS-DPDK, etc.

This patch adds support for this usage of these functions by setup fake
Tx or Rx queues to adjust numbers of Tx/Rx queues. But these fake queues
are imperceptible, and can not be used by upper applications.

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
2020-01-17 19:46:26 +01:00
Wei Hu (Xavier)
62e3ccc2b9 net/hns3: support flow control
This patch adds support for MAC PAUSE flow control and priority flow
control(PFC).

MAC PAUSE flow control features:
All user priorities(up) are mapped to tc0. It supports settings of flow
mode and pause time.

DCB features:
Up can be mapped to other tc driver permits according to business
requirement. We can config DCB information and enable PFC by
rte_eth_dev_configure interface. Besides, enabling flow control of a
priority is supported by rte_eth_dev_priority_flow_ctrl_set interface.
we can also set flow mode and pause time by
rte_eth_dev_priority_flow_ctrl_set. we do not support manual setting of
ETS, but driver equally distributes bandwidth for each tc according to
number of used tc.

In addition, flow control function by default is turned off to ensure
that app startup state is the same each time.

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Chunsong Feng <fengchunsong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Signed-off-by: Hao Chen <chenhao164@huawei.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2019-10-07 15:00:56 +02:00