[dpdk-dev] [PATCH 21/52] i40e/base: Store CEE DCBX cfg from firmware and Cache the CEE TLV status
Jingjing Wu
jingjing.wu at intel.com
Sun Sep 6 09:11:35 CEST 2015
This patch adds capability to query and store the CEE DCBX DesiredCfg
and RemoteCfg data from the LLDP MIB.
Added new member "desired_dcbx_config" in the i40e_hw data structure
to hold CEE only DesiredCfg data.
Store the CEE TLV status returned by firmware to allow drivers to dump that
for debug purposes.
Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
---
drivers/net/i40e/base/i40e_dcb.c | 48 ++++++++++++++++++++++++++++++++-------
drivers/net/i40e/base/i40e_type.h | 6 +++--
2 files changed, 44 insertions(+), 10 deletions(-)
diff --git a/drivers/net/i40e/base/i40e_dcb.c b/drivers/net/i40e/base/i40e_dcb.c
index ab4decd..65d74fa 100644
--- a/drivers/net/i40e/base/i40e_dcb.c
+++ b/drivers/net/i40e/base/i40e_dcb.c
@@ -760,6 +760,36 @@ static void i40e_cee_to_dcb_config(
}
/**
+ * i40e_get_ieee_dcb_config
+ * @hw: pointer to the hw struct
+ *
+ * Get IEEE mode DCB configuration from the Firmware
+ **/
+STATIC enum i40e_status_code i40e_get_ieee_dcb_config(struct i40e_hw *hw)
+{
+ enum i40e_status_code ret = I40E_SUCCESS;
+
+ /* IEEE mode */
+ hw->local_dcbx_config.dcbx_mode = I40E_DCBX_MODE_IEEE;
+ /* Get Local DCB Config */
+ ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_LOCAL, 0,
+ &hw->local_dcbx_config);
+ if (ret)
+ goto out;
+
+ /* Get Remote DCB Config */
+ ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_REMOTE,
+ I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
+ &hw->remote_dcbx_config);
+ /* Don't treat ENOENT as an error for Remote MIBs */
+ if (hw->aq.asq_last_status == I40E_AQ_RC_ENOENT)
+ ret = I40E_SUCCESS;
+
+out:
+ return ret;
+}
+
+/**
* i40e_get_dcb_config
* @hw: pointer to the hw struct
*
@@ -774,7 +804,7 @@ enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw)
/* If Firmware version < v4.33 IEEE only */
if (((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver < 33)) ||
(hw->aq.fw_maj_ver < 4))
- goto ieee;
+ return i40e_get_ieee_dcb_config(hw);
/* If Firmware version == v4.33 use old CEE struct */
if ((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver == 33)) {
@@ -783,6 +813,8 @@ enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw)
if (ret == I40E_SUCCESS) {
/* CEE mode */
hw->local_dcbx_config.dcbx_mode = I40E_DCBX_MODE_CEE;
+ hw->local_dcbx_config.tlv_status =
+ LE16_TO_CPU(cee_v1_cfg.tlv_status);
i40e_cee_to_dcb_v1_config(&cee_v1_cfg,
&hw->local_dcbx_config);
}
@@ -792,6 +824,8 @@ enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw)
if (ret == I40E_SUCCESS) {
/* CEE mode */
hw->local_dcbx_config.dcbx_mode = I40E_DCBX_MODE_CEE;
+ hw->local_dcbx_config.tlv_status =
+ LE32_TO_CPU(cee_cfg.tlv_status);
i40e_cee_to_dcb_config(&cee_cfg,
&hw->local_dcbx_config);
}
@@ -799,16 +833,14 @@ enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw)
/* CEE mode not enabled try querying IEEE data */
if (hw->aq.asq_last_status == I40E_AQ_RC_ENOENT)
- goto ieee;
- else
+ return i40e_get_ieee_dcb_config(hw);
+
+ if (ret != I40E_SUCCESS)
goto out;
-ieee:
- /* IEEE mode */
- hw->local_dcbx_config.dcbx_mode = I40E_DCBX_MODE_IEEE;
- /* Get Local DCB Config */
+ /* Get CEE DCB Desired Config */
ret = i40e_aq_get_dcb_config(hw, I40E_AQ_LLDP_MIB_LOCAL, 0,
- &hw->local_dcbx_config);
+ &hw->desired_dcbx_config);
if (ret)
goto out;
diff --git a/drivers/net/i40e/base/i40e_type.h b/drivers/net/i40e/base/i40e_type.h
index de01584..5245795 100644
--- a/drivers/net/i40e/base/i40e_type.h
+++ b/drivers/net/i40e/base/i40e_type.h
@@ -548,6 +548,7 @@ struct i40e_dcbx_config {
u8 app_mode;
#define I40E_DCBX_APPS_NON_WILLING 0x1
u32 numapps;
+ u32 tlv_status; /* CEE mode TLV status */
struct i40e_dcb_ets_config etscfg;
struct i40e_dcb_ets_config etsrec;
struct i40e_dcb_pfc_config pfc;
@@ -609,8 +610,9 @@ struct i40e_hw {
u16 dcbx_status;
/* DCBX info */
- struct i40e_dcbx_config local_dcbx_config;
- struct i40e_dcbx_config remote_dcbx_config;
+ struct i40e_dcbx_config local_dcbx_config; /* Oper/Local Cfg */
+ struct i40e_dcbx_config remote_dcbx_config; /* Peer Cfg */
+ struct i40e_dcbx_config desired_dcbx_config; /* CEE Desired Cfg */
/* debug mask */
u32 debug_mask;
--
2.4.0
More information about the dev
mailing list