This patch adds support for private flags for the driver.
Signed-off-by: Derek Chickles <derek.chick...@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.bu...@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlu...@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsav...@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <rvatsav...@caviumnetworks.com>
---
drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 19 +++++++++++++++++++
drivers/net/ethernet/cavium/liquidio/lio_main.c | 1 +
drivers/net/ethernet/cavium/liquidio/octeon_device.h | 15 +++++++++++++++
3 files changed, 35 insertions(+)
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
index 85f5d17..03bfa97 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -1683,6 +1683,23 @@ static void lio_get_regs(struct net_device *dev,
}
}
+static u32 lio_get_priv_flags(struct net_device *netdev)
+{
+ struct lio *lio = GET_LIO(netdev);
+
+ return lio->oct_dev->priv_flags;
+}
+
+static int lio_set_priv_flags(struct net_device *netdev, u32 flags)
+{
+ struct lio *lio = GET_LIO(netdev);
+ bool intr_by_tx_bytes = !!(flags & (0x1 << OCT_PRIV_FLAG_TX_BYTES));
+
+ lio_set_priv_flag(lio->oct_dev, OCT_PRIV_FLAG_TX_BYTES,
+ intr_by_tx_bytes);
+ return 0;
+}
+
static const struct ethtool_ops lio_ethtool_ops = {
.get_settings = lio_get_settings,
.get_link = ethtool_op_get_link,
@@ -1704,6 +1721,8 @@ static const struct ethtool_ops lio_ethtool_ops = {
.set_settings = lio_set_settings,
.get_coalesce = lio_get_intr_coalesce,
.set_coalesce = lio_set_intr_coalesce,
+ .get_priv_flags = lio_get_priv_flags,
+ .set_priv_flags = lio_set_priv_flags,
.get_ts_info = lio_get_ts_info,
};
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c
b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 9f97d11..a8328f2 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -3535,6 +3535,7 @@ static int setup_nic_devices(struct octeon_device
*octeon_dev)
/* Register ethtool support */
liquidio_set_ethtool_ops(netdev);
+ octeon_dev->priv_flags = 0x0;
if (netdev->features & NETIF_F_LRO)
liquidio_set_feature(netdev, OCTNET_CMD_LRO_ENABLE,
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.h
b/drivers/net/ethernet/cavium/liquidio/octeon_device.h
index 95b4eb7..b4e566d 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_device.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.h
@@ -400,6 +400,8 @@ struct octeon_device {
struct oct_link_stats link_stats; /*stastics from firmware*/
+ /* private flags to control driver-specific features through ethtool */
+ u32 priv_flags;
};
#define OCT_DRV_ONLINE 1
@@ -660,4 +662,17 @@ void *oct_get_config_info(struct octeon_device *oct, u16
card_type);
*/
struct octeon_config *octeon_get_conf(struct octeon_device *oct);
+/* LiquidIO driver pivate flags */
+enum {
+ OCT_PRIV_FLAG_TX_BYTES = 0, /* Tx interrupts by pending byte count */
+};
+
+static inline void lio_set_priv_flag(struct octeon_device *octdev, u32 flag,
+ u32 val)
+{
+ if (val)
+ octdev->priv_flags |= (0x1 << flag);
+ else
+ octdev->priv_flags &= ~(0x1 << flag);
+}
#endif
--
1.8.3.1
