[dpdk-dev] [PATCH 2/4] net/enic: add handler to return firmware version string
Hyong Youb Kim
hyonkim at cisco.com
Mon Dec 10 19:28:54 CET 2018
Cisco VIC adapters run firmware. Add the fw_version_get handler to
help diagnostics.
Signed-off-by: Hyong Youb Kim <hyonkim at cisco.com>
Reviewed-by: John Daley <johndale at cisco.com>
---
doc/guides/nics/features/enic.ini | 1 +
drivers/net/enic/base/vnic_dev.c | 26 ++++++++++++++++++++++++++
drivers/net/enic/enic_ethdev.c | 21 +++++++++++++++++++++
3 files changed, 48 insertions(+)
diff --git a/doc/guides/nics/features/enic.ini b/doc/guides/nics/features/enic.ini
index 8a4bad29f..020b75cf0 100644
--- a/doc/guides/nics/features/enic.ini
+++ b/doc/guides/nics/features/enic.ini
@@ -31,6 +31,7 @@ Inner L3 checksum = Y
Inner L4 checksum = Y
Packet type parsing = Y
Basic stats = Y
+FW version = Y
Multiprocess aware = Y
BSD nic_uio = Y
Linux UIO = Y
diff --git a/drivers/net/enic/base/vnic_dev.c b/drivers/net/enic/base/vnic_dev.c
index fd303fece..1e5b12a80 100644
--- a/drivers/net/enic/base/vnic_dev.c
+++ b/drivers/net/enic/base/vnic_dev.c
@@ -458,6 +458,32 @@ int vnic_dev_cmd_args(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
}
}
+int vnic_dev_fw_info(struct vnic_dev *vdev,
+ struct vnic_devcmd_fw_info **fw_info)
+{
+ char name[NAME_MAX];
+ u64 a0, a1 = 0;
+ int wait = 1000;
+ int err = 0;
+ static u32 instance;
+
+ if (!vdev->fw_info) {
+ snprintf((char *)name, sizeof(name), "vnic_fw_info-%u",
+ instance++);
+ vdev->fw_info = vdev->alloc_consistent(vdev->priv,
+ sizeof(struct vnic_devcmd_fw_info),
+ &vdev->fw_info_pa, (u8 *)name);
+ if (!vdev->fw_info)
+ return -ENOMEM;
+ a0 = vdev->fw_info_pa;
+ a1 = sizeof(struct vnic_devcmd_fw_info);
+ err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO,
+ &a0, &a1, wait);
+ }
+ *fw_info = vdev->fw_info;
+ return err;
+}
+
static int vnic_dev_advanced_filters_cap(struct vnic_dev *vdev, u64 *args,
int nargs)
{
diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c
index ed8dda568..9b206e8f0 100644
--- a/drivers/net/enic/enic_ethdev.c
+++ b/drivers/net/enic/enic_ethdev.c
@@ -887,6 +887,26 @@ static int enicpmd_dev_udp_tunnel_port_del(struct rte_eth_dev *eth_dev,
return update_vxlan_port(enic, ENIC_DEFAULT_VXLAN_PORT);
}
+static int enicpmd_dev_fw_version_get(struct rte_eth_dev *eth_dev,
+ char *fw_version, size_t fw_size)
+{
+ struct vnic_devcmd_fw_info *info;
+ struct enic *enic;
+ int ret;
+
+ ENICPMD_FUNC_TRACE();
+ if (fw_version == NULL || fw_size <= 0)
+ return -EINVAL;
+ enic = pmd_priv(eth_dev);
+ ret = vnic_dev_fw_info(enic->vdev, &info);
+ if (ret)
+ return ret;
+ snprintf(fw_version, fw_size, "%s %s",
+ info->fw_version, info->fw_build);
+ fw_version[fw_size - 1] = '\0';
+ return 0;
+}
+
static const struct eth_dev_ops enicpmd_eth_dev_ops = {
.dev_configure = enicpmd_dev_configure,
.dev_start = enicpmd_dev_start,
@@ -938,6 +958,7 @@ static const struct eth_dev_ops enicpmd_eth_dev_ops = {
.rss_hash_update = enicpmd_dev_rss_hash_update,
.udp_tunnel_port_add = enicpmd_dev_udp_tunnel_port_add,
.udp_tunnel_port_del = enicpmd_dev_udp_tunnel_port_del,
+ .fw_version_get = enicpmd_dev_fw_version_get,
};
static int enic_parse_zero_one(const char *key,
--
2.16.2
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