| Message ID | 1455754344-6372-10-git-send-email-avinash.dayanand@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Jeff Kirsher |
| Headers | show |
> -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces@lists.osuosl.org] On > Behalf Of Avinash Dayanand > Sent: Wednesday, February 17, 2016 4:12 PM > To: intel-wired-lan@lists.osuosl.org > Subject: [Intel-wired-lan] [next PATCH S29 09/14] i40e: add adminq > commands for rx ctl registers > > From: Shannon Nelson <shannon.nelson@intel.com> > > Add the new opcodes and struct used for asking the firmware to update Rx > control registers that need extra care when being accessed while under > heavy traffic - e.g. sustained 64byte packets at line rate on all ports. > The firmware will take extra steps to be sure the register accesses are > successful. > > The registers involved are: > PFQF_CTL_0 > PFQF_HENA > PFQF_FDALLOC > PFQF_HREGION > PFLAN_QALLOC > VPQF_CTL > VFQF_HENA > VFQF_HREGION > VSIQF_CTL > VSILAN_QBASE > VSILAN_QTABLE > VSIQF_TCREGION > PFQF_HKEY > VFQF_HKEY > PRTQF_CTL_0 > GLFCOE_RCTL > GLFCOE_RSOF > GLQF_CTL > GLQF_SWAP > GLQF_HASH_MSK > GLQF_HASH_INSET > GLQF_HSYM > GLQF_FC_MSK > GLQF_FC_INSET > GLQF_FD_MSK > PRTQF_FD_INSET > PRTQF_FD_FLXINSET > PRTQF_FD_MSK > > Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> > Change-ID: I56c8144000da66ad99f68948d8a184b2ec2aeb3e > --- > drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h | 16 > ++++++++++++++++ > drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h | 16 > ++++++++++++++++ > 2 files changed, 32 insertions(+) Tested-by: Andrew Bowers <andrewx.bowers@intel.com> AQ-RSS functions work properly and change under load without error
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h index bb7ecbb..8d5c65a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h @@ -146,6 +146,8 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_set_port_parameters = 0x0203, i40e_aqc_opc_get_switch_resource_alloc = 0x0204, i40e_aqc_opc_set_switch_config = 0x0205, + i40e_aqc_opc_rx_ctl_reg_read = 0x0206, + i40e_aqc_opc_rx_ctl_reg_write = 0x0207, i40e_aqc_opc_add_vsi = 0x0210, i40e_aqc_opc_update_vsi_parameters = 0x0211, @@ -696,6 +698,20 @@ struct i40e_aqc_set_switch_config { I40E_CHECK_CMD_LENGTH(i40e_aqc_set_switch_config); +/* Read Receive control registers (direct 0x0206) + * Write Receive control registers (direct 0x0207) + * used for accessing Rx control registers that can be + * slow and need special handling when under high Rx load + */ +struct i40e_aqc_rx_ctl_reg_read_write { + __le32 reserved1; + __le32 address; + __le32 reserved2; + __le32 value; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_rx_ctl_reg_read_write); + /* Add VSI (indirect 0x0210) * this indirect command uses struct i40e_aqc_vsi_properties_data * as the indirect buffer (128 bytes) diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h index 815e481..aad8d62 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h @@ -146,6 +146,8 @@ enum i40e_admin_queue_opc { i40e_aqc_opc_set_port_parameters = 0x0203, i40e_aqc_opc_get_switch_resource_alloc = 0x0204, i40e_aqc_opc_set_switch_config = 0x0205, + i40e_aqc_opc_rx_ctl_reg_read = 0x0206, + i40e_aqc_opc_rx_ctl_reg_write = 0x0207, i40e_aqc_opc_add_vsi = 0x0210, i40e_aqc_opc_update_vsi_parameters = 0x0211, @@ -693,6 +695,20 @@ struct i40e_aqc_set_switch_config { I40E_CHECK_CMD_LENGTH(i40e_aqc_set_switch_config); +/* Read Receive control registers (direct 0x0206) + * Write Receive control registers (direct 0x0207) + * used for accessing Rx control registers that can be + * slow and need special handling when under high Rx load + */ +struct i40e_aqc_rx_ctl_reg_read_write { + __le32 reserved1; + __le32 address; + __le32 reserved2; + __le32 value; +}; + +I40E_CHECK_CMD_LENGTH(i40e_aqc_rx_ctl_reg_read_write); + /* Add VSI (indirect 0x0210) * this indirect command uses struct i40e_aqc_vsi_properties_data * as the indirect buffer (128 bytes)