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i40e/i40evf: Store CEE DCBX DesiredCfg and RemoteCfg

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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.

Change-ID: I19c550369594384eaff4cc63e690ca740231195d
Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Neerav Parikh 2015-08-27 11:42:37 -04:00 committed by Jeff Kirsher
parent 909b2d16c4
commit 1a9375eb7f
3 changed files with 42 additions and 12 deletions
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44
drivers/net/ethernet/intel/i40e/i40e_dcb.c
View File

@ -761,6 +761,36 @@ static void i40e_cee_to_dcb_config(
dcbcfg->numapps = i;
}
/**
* i40e_get_ieee_dcb_config
* @hw: pointer to the hw struct
*
* Get IEEE mode DCB configuration from the Firmware
**/
static i40e_status i40e_get_ieee_dcb_config(struct i40e_hw *hw)
{
i40e_status ret = 0;
/* 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 = 0;
out:
return ret;
}
/**
* i40e_get_dcb_config
* @hw: pointer to the hw struct
@ -776,7 +806,7 @@ i40e_status 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)) {
@ -805,16 +835,14 @@ i40e_status 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)
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;

5
drivers/net/ethernet/intel/i40e/i40e_type.h
View File

@ -510,8 +510,9 @@ 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;

5
drivers/net/ethernet/intel/i40evf/i40e_type.h
View File

@ -504,8 +504,9 @@ 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;