On 17.04.25 09:57, Erni Sri Satya Vennela wrote:
Add support for speed in mana ethtool get_link_ksettings
operation. This feature is not supported by all hardware.
Signed-off-by: Erni Sri Satya Vennela <er...@linux.microsoft.com>
Reviewed-by: Shradha Gupta <shradhagu...@linux.microsoft.com>
Reviewed-by: Haiyang Zhang <haiya...@microsoft.com>
---
drivers/net/ethernet/microsoft/mana/mana_en.c | 42 +++++++++++++++++++
.../ethernet/microsoft/mana/mana_ethtool.c | 6 +++
include/net/mana/mana.h | 17 ++++++++
3 files changed, 65 insertions(+)
diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c
b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 2bac6be8f6a0..ba550fc7ece0 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -1156,6 +1156,48 @@ static int mana_cfg_vport_steering(struct
mana_port_context *apc,
return err;
}
+int mana_query_link_cfg(struct mana_port_context *apc)
+{
+ struct net_device *ndev = apc->ndev;
+ struct mana_query_link_config_resp resp = {};
+ struct mana_query_link_config_req req = {};
+ int err;
+
+ mana_gd_init_req_hdr(&req.hdr, MANA_QUERY_LINK_CONFIG,
+ sizeof(req), sizeof(resp));
+
+ req.vport = apc->port_handle;
+
+ err = mana_send_request(apc->ac, &req, sizeof(req), &resp,
+ sizeof(resp));
+
+ if (err) {
+ netdev_err(ndev, "Failed to query link config: %d\n", err);
+ goto out;
+ }
+
+ err = mana_verify_resp_hdr(&resp.hdr, MANA_QUERY_LINK_CONFIG,
+ sizeof(resp));
+
+ if (err || resp.hdr.status) {
+ netdev_err(ndev, "Failed to query link config: %d, 0x%x\n", err,
+ resp.hdr.status);
+ if (!err)
+ err = -EPROTO;
EPROTO means Protocol error. Thus, ENOTSUPP or EPROTONOSUPPORT is better?
Zhu Yanjun
+ goto out;
+ }
+
+ if (resp.qos_unconfigured) {
+ err = -EINVAL;
+ goto out;
+ }
+ apc->speed = resp.link_speed_mbps;
+ return 0;
+
+out:
+ return err;
+}
+
