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* [PATCH v3] net/cpfl: get running host ID for CPFL PMD
@ 2024-05-24  4:05 Shaiq Wani
  2024-05-30  9:39 ` [PATCH v4] " Shaiq Wani
  0 siblings, 1 reply; 9+ messages in thread
From: Shaiq Wani @ 2024-05-24  4:05 UTC (permalink / raw)
  To: dev

Check whether CPFL PMD runs on Host or ACC

Signed-off-by: Shaiq Wani <shaiq.wani@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


^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2024-07-05 15:16 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-05-24  4:05 [PATCH v3] net/cpfl: get running host ID for CPFL PMD Shaiq Wani
2024-05-30  9:39 ` [PATCH v4] " Shaiq Wani
2024-06-04 16:17   ` Stephen Hemminger
2024-06-05  5:48     ` Wani, Shaiq
2024-06-05 18:05       ` Stephen Hemminger
2024-06-06 10:44   ` [PATCH v5] " Shaiq Wani
2024-06-13 15:36     ` Stephen Hemminger
2024-07-05 15:05     ` Bruce Richardson
2024-07-05 15:16     ` Bruce Richardson

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