Checks if DPDK is running on host, IMC or ACC
Signed-off-by: Shaiq Wani <shaiqw...@intel.com>
---
get_running_host_id.patch | 70 +++++++++++++++++++++++++++++++++++++++
1 file changed, 70 insertions(+)
create mode 100644 get_running_host_id.patch
diff --git a/get_running_host_id.patch b/get_running_host_id.patch
new file mode 100644
index 0000000000..32aa3445ab
--- /dev/null
+++ b/get_running_host_id.patch
@@ -0,0 +1,70 @@
+diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c
+index ef19aa1b6a..cc708039da 100644
+--- a/drivers/net/cpfl/cpfl_ethdev.c
++++ b/drivers/net/cpfl/cpfl_ethdev.c
+@@ -2270,6 +2270,33 @@ cpfl_repr_allowlist_uninit(struct cpfl_adapter_ext
*adapter)
+ rte_hash_free(adapter->repr_allowlist_hash);
+}
++static uint8_t
++get_running_host_id(void)
++{
++ char buf[BUFSIZ];
++ FILE *fd;
++ uint8_t host_id = CPFL_INVALID_HOST_ID;
++
++ fd = fopen("/etc/issue.net", "r");
++ if (fd == NULL) {
++ PMD_INIT_LOG(ERR, "Cannot open /etc/issue.net\n");
++ return host_id;
++ }
++
++ if (fgets(buf, sizeof(buf), fd)) {
++ /* get the first line */
++ if (strstr(buf, "IMC")) {
++ PMD_INIT_LOG(ERR, "CPFL PMD cannot running on IMC.");
++ } else if (strstr(buf, "ACC")) {
++ host_id = CPFL_HOST_ID_ACC;
++ } else {
++ host_id = CPFL_HOST_ID_HOST;
++ }
++ }
++
++ fclose(fd);
++ return host_id;
++}
+static int
+cpfl_adapter_ext_init(struct rte_pci_device *pci_dev, struct cpfl_adapter_ext
*adapter,
+@@ -2290,6 +2317,7 @@ cpfl_adapter_ext_init(struct rte_pci_device *pci_dev,
struct cpfl_adapter_ext *a
+ 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);
+ rte_memcpy(&base->caps, &req_caps, sizeof(struct
virtchnl2_get_capabilities));
+diff --git a/drivers/net/cpfl/cpfl_ethdev.h b/drivers/net/cpfl/cpfl_ethdev.h
+index 457db6d6be..3987afbd82 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 +231,8 @@ 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 +299,8 @@ 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,
\ No newline at end of file
--
2.34.1
