From: "Xing, Beilei" <beilei.xing@intel.com>
To: "Wu, Yanglong" <yanglong.wu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Wu, Yanglong" <yanglong.wu@intel.com>
Subject: Re: [dpdk-dev] [PATCH] net/i40e: i40e support mac loopback
Date: Mon, 18 Dec 2017 06:09:23 +0000 [thread overview]
Message-ID: <94479800C636CB44BD422CB454846E0132080F4E@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <20171120040531.152695-1-yanglong.wu@intel.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Yanglong Wu
> Sent: Monday, November 20, 2017 12:06 PM
> To: dev@dpdk.org
> Cc: Wu, Yanglong <yanglong.wu@intel.com>
> Subject: [dpdk-dev] [PATCH] net/i40e: i40e support mac loopback
"i40e" in the title can be omitted.
>
> 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
Don't define it in base code, can move it to i40e PMD.
> #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 &&
Only I40E_MAC_XL710 supports loopback mode?
> + (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");
Better to use 'ERR' to replace 'INFO'.
> + 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 prev parent reply other threads:[~2017-12-18 6:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-20 4:05 Yanglong Wu
2017-12-11 3:22 ` Peng, Yuan
2017-12-18 3:05 ` Zhang, Helin
2017-12-18 6:09 ` Xing, Beilei [this message]
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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