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From: Shaiq Wani <shaiq.wani@intel.com>
To: dev@dpdk.org
Subject: [PATCH v2] net/cpfl: get running host ID for CPFL PMD
Date: Thu, 23 May 2024 06:10:45 +0000
Message-Id: <20240523061045.483159-1-shaiq.wani@intel.com>
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Check whether CPFL PMD runs on Host or ACC
Signed-off-by: Shaiq Wani <shaiq.wani@intel.com>
---
drivers/net/cpfl/cpfl_ethdev.c | 21 +++++++++++++++++++++
drivers/net/cpfl/cpfl_ethdev.h | 5 ++++-
2 files changed, 25 insertions(+), 1 deletion(-)
diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c
index ef19aa1b6a..cce7d8251c 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 +2270,27 @@ 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;
+ uname(&unameData);
+ if (uname(&unameData) != 0) {
+ PMD_INIT_LOG(ERR, "Cannot fetch node_name for host\n");
+ return host_id;
+ }
+ /* get the first line */
+ 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 +2309,7 @@ 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