From: Yanglong Wu <yanglong.wu@intel.com>
To: dev@dpdk.org
Cc: Yanglong Wu <yanglong.wu@intel.com>
Subject: [dpdk-dev] [PATCH] net/i40e: i40e support mac loopback
Date: Mon, 20 Nov 2017 12:05:31 +0800 [thread overview]
Message-ID: <20171120040531.152695-1-yanglong.wu@intel.com> (raw)
According to loopback mode, setup loopback link or not.
If loopback link is setted, packets will be sent to
rx_q from tx_q directly.Loopback mode can be used to
support testing task.
Signed-off-by: Yanglong Wu <yanglong.wu@intel.com>
---
drivers/net/i40e/base/i40e_adminq_cmd.h | 1 +
drivers/net/i40e/i40e_ethdev.c | 12 +++++++++++
2 files changed, 13 insertions(+)
diff --git a/drivers/net/i40e/base/i40e_adminq_cmd.h b/drivers/net/i40e/base/i40e_adminq_cmd.h
index c36da2a32..8171f877b 100644
--- a/drivers/net/i40e/base/i40e_adminq_cmd.h
+++ b/drivers/net/i40e/base/i40e_adminq_cmd.h
@@ -2128,6 +2128,7 @@ I40E_CHECK_CMD_LENGTH(i40e_aqc_an_advt_reg);
/* Set Loopback mode (0x0618) */
struct i40e_aqc_set_lb_mode {
__le16 lb_mode;
+#define I40E_AQ_LB_MODE_NONE 0x0
#define I40E_AQ_LB_PHY_LOCAL 0x01
#define I40E_AQ_LB_PHY_REMOTE 0x02
#define I40E_AQ_LB_MAC_LOCAL 0x04
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index f40c463aa..2e6aa9d0d 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -2048,6 +2048,17 @@ i40e_dev_start(struct rte_eth_dev *dev)
}
}
+ /* Enable mac loopback mode */
+ if (hw->mac.type == I40E_MAC_XL710 &&
+ (dev->data->dev_conf.lpbk_mode == I40E_AQ_LB_MODE_NONE ||
+ dev->data->dev_conf.lpbk_mode == I40E_AQ_LB_PHY_LOCAL)) {
+ ret = i40e_aq_set_lb_modes(hw,
+ dev->data->dev_conf.lpbk_mode, NULL);
+ if (ret != I40E_SUCCESS) {
+ PMD_DRV_LOG(INFO, "fail to set loopback link");
+ goto err_up;
+ }
+ }
+
/* Apply link configure */
if (dev->data->dev_conf.link_speeds & ~(ETH_LINK_SPEED_100M |
ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
--
2.11.0
next reply other threads:[~2017-11-20 4:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-20 4:05 Yanglong Wu [this message]
2017-12-11 3:22 ` Peng, Yuan
2017-12-18 3:05 ` Zhang, Helin
2017-12-18 6:09 ` Xing, Beilei
2017-12-20 7:29 ` [dpdk-dev] [PATCH v2] net/i40e: " Yanglong Wu
2017-12-20 8:09 ` Zhang, Helin
2017-12-20 12:24 ` Peng, Yuan
2017-12-22 4:44 ` [dpdk-dev] [PATCH v3] " Yanglong Wu
2018-01-02 2:28 ` [dpdk-dev] [PATCH v4] " Yanglong Wu
2018-01-02 2:41 ` [dpdk-dev] [PATCH v5] " Yanglong Wu
2018-01-02 2:47 ` Xing, Beilei
2018-01-07 10:28 ` Zhang, Helin
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