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authorNeerav Parikh <neerav.parikh@intel.com>2014-11-12 00:18:20 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2014-11-18 01:08:56 -0800
commit2fd75f31f6bacaed38061f95f0fee26de3e01170 (patch)
tree2d7b9b141688509c4ce267f2366caea007ae897e /drivers/net/ethernet/intel/i40e/i40e_common.c
parent7bda87c7fb2eaab8e144d6d0a2638099d7b6e5f5 (diff)
i40e: Resume Port Tx after DCB event
When there are DCB configuration changes based on DCBX the firmware suspends the port's Tx and generates an event to the PF. The PF is then responsible to reconfigure the PF VSIs and switching topology as per the updated DCB configuration and then resume the port's Tx by calling the "Resume Port Tx" AQ command. This patch adds this call to the flow that handles DCB re-configuration in the PF. Change-ID: I5b860ad48abfbf379b003143c4d3453e2ed5cc1c Signed-off-by: Neerav Parikh <neerav.parikh@intel.com> Tested-By: Jack Morgan <jack.morgan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_common.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_common.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index c49416cfe61..76735d5f34e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -3217,6 +3217,26 @@ i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
}
/**
+ * i40e_aq_resume_port_tx
+ * @hw: pointer to the hardware structure
+ * @cmd_details: pointer to command details structure or NULL
+ *
+ * Resume port's Tx traffic
+ **/
+i40e_status i40e_aq_resume_port_tx(struct i40e_hw *hw,
+ struct i40e_asq_cmd_details *cmd_details)
+{
+ struct i40e_aq_desc desc;
+ i40e_status status;
+
+ i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_resume_port_tx);
+
+ status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+
+ return status;
+}
+
+/**
* i40e_set_pci_config_data - store PCI bus info
* @hw: pointer to hardware structure
* @link_status: the link status word from PCI config space