[PATCH v3] net/cpfl: get running host ID for CPFL PMD

[Shaiq Wani]

Check whether CPFL PMD runs on Host or ACC

Signed-off-by: Shaiq Wani <shaiq.w...@intel.com>
---
 drivers/net/cpfl/cpfl_ethdev.c | 17 +++++++++++++++++
 drivers/net/cpfl/cpfl_ethdev.h |  5 ++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c
index ef19aa1b6a..05b52ed635 100644
--- a/drivers/net/cpfl/cpfl_ethdev.c
+++ b/drivers/net/cpfl/cpfl_ethdev.c
@@ -14,6 +14,7 @@
 
 #include "cpfl_ethdev.h"
 #include <ethdev_private.h>
+#include <sys/utsname.h>
 #include "cpfl_rxtx.h"
 #include "cpfl_flow.h"
 #include "cpfl_rules.h"
@@ -2269,8 +2270,23 @@ cpfl_repr_allowlist_uninit(struct cpfl_adapter_ext 
*adapter)
 {
        rte_hash_free(adapter->repr_allowlist_hash);
 }
+static uint8_t
+get_running_host_id(void)
+{
+       struct utsname unamedata;
+       uint8_t host_id = CPFL_INVALID_HOST_ID;
 
+       if (uname(&unamedata) != 0)
+               PMD_INIT_LOG(ERR, "Cannot fetch node_name for host\n");
+       else if (strstr(unamedata.nodename, "ipu_imc"))
+               PMD_INIT_LOG(ERR, "CPFL PMD cannot be running on IMC.");
+       else if (strstr(unamedata.nodename, "ipu_acc"))
+               host_id = CPFL_HOST_ID_ACC;
+       else
+               host_id = CPFL_HOST_ID_HOST;
 
+       return host_id;
+}
 static int
 cpfl_adapter_ext_init(struct rte_pci_device *pci_dev, struct cpfl_adapter_ext 
*adapter,
                      struct cpfl_devargs *devargs)
@@ -2289,6 +2305,7 @@ cpfl_adapter_ext_init(struct rte_pci_device *pci_dev, 
struct cpfl_adapter_ext *a
        hw->vendor_id = pci_dev->id.vendor_id;
        hw->device_id = pci_dev->id.device_id;
        hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
+       adapter->host_id = get_running_host_id();
 
        strncpy(adapter->name, pci_dev->device.name, PCI_PRI_STR_SIZE);
 
diff --git a/drivers/net/cpfl/cpfl_ethdev.h b/drivers/net/cpfl/cpfl_ethdev.h
index 457db6d6be..3f6f9ca5ea 100644
--- a/drivers/net/cpfl/cpfl_ethdev.h
+++ b/drivers/net/cpfl/cpfl_ethdev.h
@@ -66,6 +66,7 @@
 #define CPFL_PF_TYPE_NUM       2
 #define CPFL_HOST_ID_HOST      0
 #define CPFL_HOST_ID_ACC       1
+#define CPFL_INVALID_HOST_ID    UINT8_MAX
 #define CPFL_PF_TYPE_APF       0
 #define CPFL_PF_TYPE_CPF       1
 
@@ -230,6 +231,7 @@ struct cpfl_adapter_ext {
        uint8_t ctrl_vport_recv_info[IDPF_DFLT_MBX_BUF_SIZE];
        struct idpf_ctlq_info *ctlqp[CPFL_CFGQ_NUM];
        struct cpfl_ctlq_create_info cfgq_info[CPFL_CFGQ_NUM];
+       uint8_t host_id;
 };
 
 TAILQ_HEAD(cpfl_adapter_list, cpfl_adapter_ext);
@@ -296,7 +298,8 @@ cpfl_get_vsi_id(struct cpfl_itf *itf)
 
                vport_identity.func_type = CPCHNL2_FTYPE_LAN_PF;
                /* host: CPFL_HOST0_CPF_ID, acc: CPFL_ACC_CPF_ID */
-               vport_identity.pf_id = CPFL_ACC_CPF_ID;
+               vport_identity.pf_id = (itf->adapter->host_id == 
CPFL_HOST_ID_ACC) ?
+                                                               CPFL_ACC_CPF_ID 
: CPFL_HOST0_CPF_ID;
                vport_identity.vf_id = 0;
                vport_identity.vport_id = vport_id;
                ret = rte_hash_lookup_data(itf->adapter->vport_map_hash,
-- 
2.34.1