From: Christina Jacob <cja...@marvell.com>
Register set_link_ksetting callback with driver such that
link configurations parameters like advertised mode,speed, duplex
and autoneg can be configured.
below command
ethtool -s eth0 advertise 0x1 speed 10 duplex full autoneg on
Signed-off-by: Christina Jacob <cja...@marvell.com>
Signed-off-by: Sunil Goutham <sgout...@marvell.com>
Signed-off-by: Hariprasad Kelam <hke...@marvell.com>
---
.../ethernet/marvell/octeontx2/nic/otx2_ethtool.c | 59 ++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
index ef79ecf..b928745 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
@@ -1134,6 +1134,64 @@ static int otx2_get_link_ksettings(struct net_device
*netdev,
return 0;
}
+static int otx2_set_link_ksettings(struct net_device *netdev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct otx2_nic *pf = netdev_priv(netdev);
+ struct ethtool_link_ksettings req_ks;
+ struct ethtool_link_ksettings cur_ks;
+ struct cgx_set_link_mode_req *req;
+ struct cgx_set_link_mode_rsp *rsp;
+ struct mbox *mbox = &pf->mbox;
+ int err = 0;
+
+ /* save requested link settings */
+ memcpy(&req_ks, cmd, sizeof(struct ethtool_link_ksettings));
+
+ memset(&cur_ks, 0, sizeof(struct ethtool_link_ksettings));
+
+ if (!ethtool_validate_speed(cmd->base.speed) ||
+ !ethtool_validate_duplex(cmd->base.duplex))
+ return -EINVAL;
+
+ if (cmd->base.autoneg != AUTONEG_ENABLE &&
+ cmd->base.autoneg != AUTONEG_DISABLE)
+ return -EINVAL;
+
+ otx2_get_link_ksettings(netdev, &cur_ks);
+
+ /* Check requested modes against supported modes by hardware */
+ if (!bitmap_subset(req_ks.link_modes.advertising,
+ cur_ks.link_modes.supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS))
+ return -EINVAL;
+
+ mutex_lock(&mbox->lock);
+ req = otx2_mbox_alloc_msg_cgx_set_link_mode(&pf->mbox);
+ if (!req) {
+ mutex_unlock(&mbox->lock);
+ return -EAGAIN;
+ }
+
+ req->args.speed = req_ks.base.speed;
+ /* firmware expects 1 for half duplex and 0 for full duplex
+ * hence inverting
+ */
+ req->args.duplex = req_ks.base.duplex ^ 0x1;
+ req->args.an = req_ks.base.autoneg;
+ req->args.mode = *req_ks.link_modes.advertising;
+
+ err = otx2_sync_mbox_msg(&pf->mbox);
+ if (!err) {
+ rsp = (struct cgx_set_link_mode_rsp *)
+ otx2_mbox_get_rsp(&pf->mbox.mbox, 0, &req->hdr);
+ if (rsp->status)
+ err = rsp->status;
+ }
+ mutex_unlock(&mbox->lock);
+ return err;
+}
+
static const struct ethtool_ops otx2_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES,
@@ -1164,6 +1222,7 @@ static const struct ethtool_ops otx2_ethtool_ops = {
.get_fecparam = otx2_get_fecparam,
.set_fecparam = otx2_set_fecparam,
.get_link_ksettings = otx2_get_link_ksettings,
+ .set_link_ksettings = otx2_set_link_ksettings,
};
void otx2_set_ethtool_ops(struct net_device *netdev)
--
2.7.4
