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16 May 2024 23:32:25 -0700 From: Shaiq Wani To: dev@dpdk.org Subject: [PATCH] net/cpfl: get running host ID Date: Fri, 17 May 2024 06:31:52 +0000 Message-Id: <20240517063152.1567603-1-shaiq.wani@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Check whether CPFL PMD runs on host IMC or ACC Signed-off-by: Shaiq Wani --- drivers/net/cpfl/cpfl_ethdev.c | 25 +++++++++++++++++++++++++ drivers/net/cpfl/cpfl_ethdev.h | 6 +++++- 2 files changed, 30 insertions(+), 1 deletion(-) diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c index ef19aa1b6a..ed719ee474 100644 --- a/drivers/net/cpfl/cpfl_ethdev.c +++ b/drivers/net/cpfl/cpfl_ethdev.c @@ -2269,8 +2269,32 @@ 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, struct cpfl_devargs *devargs) @@ -2289,6 +2313,7 @@ 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..9dd8e2ba41 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,