From: Hemant Agrawal <hemant.agrawal@nxp.com>
Date: Thu, 28 Sep 2017 12:29:59 +0000 (+0530)
Subject: net/dpaa: support firmware version get API
X-Git-Tag: spdx-start~1810
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=cf0fab1d2ca5;p=dpdk.git

net/dpaa: support firmware version get API

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---

diff --git a/doc/guides/nics/features/dpaa.ini b/doc/guides/nics/features/dpaa.ini
index 0e7956cd70..09b9bd97c2 100644
--- a/doc/guides/nics/features/dpaa.ini
+++ b/doc/guides/nics/features/dpaa.ini
@@ -18,5 +18,6 @@ L3 checksum offload  = Y
 L4 checksum offload  = Y
 Packet type parsing  = Y
 Basic stats          = Y
+FW version           = Y
 ARMv8                = Y
 Usage doc            = Y
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index 3d6ddaee3e..8e51fe6bd0 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -164,6 +164,41 @@ static void dpaa_eth_dev_close(struct rte_eth_dev *dev)
 	dpaa_eth_dev_stop(dev);
 }
 
+static int
+dpaa_fw_version_get(struct rte_eth_dev *dev __rte_unused,
+		     char *fw_version,
+		     size_t fw_size)
+{
+	int ret;
+	FILE *svr_file = NULL;
+	unsigned int svr_ver = 0;
+
+	PMD_INIT_FUNC_TRACE();
+
+	svr_file = fopen(DPAA_SOC_ID_FILE, "r");
+	if (!svr_file) {
+		DPAA_PMD_ERR("Unable to open SoC device");
+		return -ENOTSUP; /* Not supported on this infra */
+	}
+
+	ret = fscanf(svr_file, "svr:%x", &svr_ver);
+	if (ret <= 0) {
+		DPAA_PMD_ERR("Unable to read SoC device");
+		return -ENOTSUP; /* Not supported on this infra */
+	}
+
+	ret = snprintf(fw_version, fw_size,
+		       "svr:%x-fman-v%x",
+		       svr_ver,
+		       fman_ip_rev);
+
+	ret += 1; /* add the size of '\0' */
+	if (fw_size < (uint32_t)ret)
+		return ret;
+	else
+		return 0;
+}
+
 static void dpaa_eth_dev_info(struct rte_eth_dev *dev,
 			      struct rte_eth_dev_info *dev_info)
 {
@@ -512,6 +547,7 @@ static struct eth_dev_ops dpaa_devops = {
 	.mac_addr_remove	  = dpaa_dev_remove_mac_addr,
 	.mac_addr_set		  = dpaa_dev_set_mac_addr,
 
+	.fw_version_get		  = dpaa_fw_version_get,
 };
 
 static int dpaa_fc_set_default(struct dpaa_if *dpaa_intf)
diff --git a/drivers/net/dpaa/dpaa_ethdev.h b/drivers/net/dpaa/dpaa_ethdev.h
index e1e062ede7..a980262e62 100644
--- a/drivers/net/dpaa/dpaa_ethdev.h
+++ b/drivers/net/dpaa/dpaa_ethdev.h
@@ -43,6 +43,11 @@
 #include <of.h>
 #include <netcfg.h>
 
+/* DPAA SoC identifier; If this is not available, it can be concluded
+ * that board is non-DPAA. Single slot is currently supported.
+ */
+#define DPAA_SOC_ID_FILE		"sys/devices/soc0/soc_id"
+
 #define DPAA_MBUF_HW_ANNOTATION		64
 #define DPAA_FD_PTA_SIZE		64