[v4,7/8] net/sfc: skip driver probe for incompatible device class
Checks
Commit Message
From: Vijay Kumar Srivastava <vsrivast@xilinx.com>
Driver would be probed only for the net device class.
Signed-off-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
---
doc/guides/nics/sfc_efx.rst | 8 ++++++++
drivers/net/sfc/sfc.h | 1 +
drivers/net/sfc/sfc_ethdev.c | 7 +++++++
drivers/net/sfc/sfc_kvargs.c | 1 +
4 files changed, 17 insertions(+)
@@ -357,6 +357,14 @@ allow option like "-a 02:00.0,arg1=value1,...".
Case-insensitive 1/y/yes/on or 0/n/no/off may be used to specify
boolean parameters value.
+- ``class`` [net|vdpa] (default **net**)
+
+ Choose the mode of operation of ef100 device.
+ **net** device will work as network device and will be probed by net/sfc driver.
+ **vdpa** device will work as vdpa device and will be probed by vdpa/sfc driver.
+ If this parameter is not specified then ef100 device will operate as
+ network device.
+
- ``rx_datapath`` [auto|efx|ef10|ef10_essb] (default **auto**)
Choose receive datapath implementation.
@@ -22,6 +22,7 @@
#include "efx.h"
#include "sfc_efx_mcdi.h"
+#include "sfc_efx.h"
#include "sfc_debug.h"
#include "sfc_log.h"
@@ -2161,6 +2161,13 @@ sfc_eth_dev_init(struct rte_eth_dev *dev)
const struct rte_ether_addr *from;
int ret;
+ if (sfc_efx_dev_class_get(pci_dev->device.devargs) !=
+ SFC_EFX_DEV_CLASS_NET) {
+ SFC_GENERIC_LOG(DEBUG,
+ "Incompatible device class: skip probing, should be probed by other sfc driver.");
+ return 1;
+ }
+
sfc_register_dp();
logtype_main = sfc_register_logtype(&pci_dev->addr,
@@ -28,6 +28,7 @@ sfc_kvargs_parse(struct sfc_adapter *sa)
SFC_KVARG_TX_DATAPATH,
SFC_KVARG_FW_VARIANT,
SFC_KVARG_RXD_WAIT_TIMEOUT_NS,
+ SFC_EFX_KVARG_DEV_CLASS,
NULL,
};