integ/kernel/kernel-modules/intel-i40e/files/i40e-Enable-getting-link-status-from-VF.patch
Jim Somerville 2718976ddc i40e Driver Upgrade in support of N3000 on-board NICs
Uprev i40e to version 2.10.19.30
i40evf gets replaced by iavf version 3.7.61.20

The iavf driver supports both fortville and columbiaville,
so they decided to rename from i40evf to something more generic.

We get to drop the patch which polls for coming out of
reset as it was incorporated upstream.

The Intel FPGA Programmable Acceleration Card N3000 contains
dual Intel XL710 NICs and an FPGA for acceleration purposes.
This driver upgrade is required to support those NICs.

Change-Id: Ifbec94bcc00a8cce9fe97bf0eb41556b8bd3e592
Story: 2006740
Task: 37542
Depends-On: https://review.opendev.org/#/c/695061
Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
2019-11-19 14:42:12 -05:00

129 lines
4.3 KiB
Diff

From b8c666367cd98a2b0033c043f6f206abd8e238a6 Mon Sep 17 00:00:00 2001
Message-Id: <b8c666367cd98a2b0033c043f6f206abd8e238a6.1572295393.git.Jim.Somerville@windriver.com>
From: Vadim Suraev <vsuraev@northforgeinc.com>
Date: Mon, 8 Feb 2016 15:57:30 -0500
Subject: [PATCH 1/2] i40e: Enable getting link status from VF
Add handling of custom OP code sent from the PMD VF to get link status via the
virtual channel interface.
Signed-off-by: Allain Legacy <allain.legacy@windriver.com>
Signed-off-by: eric zhang <eric.zhang@windriver.com>
Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
---
src/i40e_virtchnl_pf.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++
src/virtchnl.h | 1 +
2 files changed, 79 insertions(+)
diff --git a/src/i40e_virtchnl_pf.c b/src/i40e_virtchnl_pf.c
index 9e48f0d..21b4606 100644
--- a/src/i40e_virtchnl_pf.c
+++ b/src/i40e_virtchnl_pf.c
@@ -2467,6 +2467,81 @@ err_out:
aq_ret);
}
+struct i40e_eth_link {
+ uint16_t link_speed; /**< ETH_LINK_SPEED_[10, 100, 1000, 10000] */
+ uint16_t link_duplex; /**< ETH_LINK_[HALF_DUPLEX, FULL_DUPLEX] */
+ uint8_t link_status : 1; /**< 1 -> link up, 0 -> link down */
+}__attribute__((aligned(8)));
+
+#define ETH_LINK_SPEED_AUTONEG 0 /**< Auto-negotiate link speed. */
+#define ETH_LINK_SPEED_10 10 /**< 10 megabits/second. */
+#define ETH_LINK_SPEED_100 100 /**< 100 megabits/second. */
+#define ETH_LINK_SPEED_1000 1000 /**< 1 gigabits/second. */
+#define ETH_LINK_SPEED_10000 10000 /**< 10 gigabits/second. */
+#define ETH_LINK_SPEED_10G 10000 /**< alias of 10 gigabits/second. */
+#define ETH_LINK_SPEED_20G 20000 /**< 20 gigabits/second. */
+#define ETH_LINK_SPEED_40G 40000 /**< 40 gigabits/second. */
+
+#define ETH_LINK_AUTONEG_DUPLEX 0 /**< Auto-negotiate duplex. */
+#define ETH_LINK_HALF_DUPLEX 1 /**< Half-duplex connection. */
+#define ETH_LINK_FULL_DUPLEX 2 /**< Full-duplex connection. */
+
+static void
+i40e_vc_get_link_status(struct i40e_vf *vf)
+{
+ struct i40e_pf *pf = vf->pf;
+ struct i40e_hw *hw;
+ i40e_status aq_ret = I40E_SUCCESS;
+ i40e_status status;
+ struct i40e_eth_link eth_link;
+ bool new_link;
+
+ if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
+ !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
+ aq_ret = I40E_ERR_PARAM;
+ goto error_param;
+ }
+ hw = &pf->hw;
+
+ /* set this to force the get_link_status call to refresh state */
+ pf->hw.phy.get_link_info = true;
+
+ status = i40e_get_link_status(&pf->hw, &new_link);
+ if (status != I40E_SUCCESS) {
+ dev_dbg(&pf->pdev->dev, "couldn't get link state, status: %d\n",
+ status);
+ aq_ret = I40E_ERR_INVALID_LINK_SETTINGS;
+ goto error_param;
+ }
+
+ /* Update link status first to acquire latest link change */
+ eth_link.link_status = new_link ? 1 : 0;
+
+ switch(hw->phy.link_info.link_speed) {
+ case I40E_LINK_SPEED_40GB:
+ eth_link.link_speed = ETH_LINK_SPEED_40G;
+ break;
+ case I40E_LINK_SPEED_10GB:
+ eth_link.link_speed = ETH_LINK_SPEED_10G;
+ break;
+ case I40E_LINK_SPEED_1GB:
+ eth_link.link_speed = ETH_LINK_SPEED_1000;
+ break;
+ case I40E_LINK_SPEED_100MB:
+ eth_link.link_speed = ETH_LINK_SPEED_100;
+ break;
+ default:
+ eth_link.link_speed = ETH_LINK_SPEED_AUTONEG;
+ break;
+ }
+ eth_link.link_duplex = ETH_LINK_FULL_DUPLEX;/* always */
+
+error_param:
+ i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_LINK_STAT,
+ aq_ret, (uint8_t *)&eth_link,
+ sizeof(eth_link));
+}
+
/**
* i40e_vc_config_queues_msg
* @vf: pointer to the VF info
@@ -4166,6 +4241,9 @@ int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
case VIRTCHNL_OP_REQUEST_QUEUES:
ret = i40e_vc_request_queues_msg(vf, msg);
break;
+ case VIRTCHNL_OP_GET_LINK_STAT:
+ i40e_vc_get_link_status(vf);
+ break;
#ifdef __TC_MQPRIO_MODE_MAX
case VIRTCHNL_OP_ENABLE_CHANNELS:
ret = i40e_vc_add_qch_msg(vf, msg);
diff --git a/src/virtchnl.h b/src/virtchnl.h
index a22cc43..d3d9324 100644
--- a/src/virtchnl.h
+++ b/src/virtchnl.h
@@ -128,6 +128,7 @@ enum virtchnl_ops {
VIRTCHNL_OP_DISABLE_CHANNELS = 31,
VIRTCHNL_OP_ADD_CLOUD_FILTER = 32,
VIRTCHNL_OP_DEL_CLOUD_FILTER = 33,
+ VIRTCHNL_OP_GET_LINK_STAT = 0x101,
};
/* These macros are used to generate compilation errors if a structure/union
--
1.8.3.1