diff options
| author |   Raghu Vatsavayi <rvatsavayi@caviumnetworks.com> | 2016-06-21 22:53:14 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-06-25 12:08:29 -0400 |
| commit | f5a20472e28ffe8810306ec99d4f57b4b62bb09c (patch) | |
| tree | 8a14e34942a867bd79c9d5b94a676cda32d5be65 /drivers/net/ethernet/cavium/liquidio | |
| parent | liquidio: ptp info (diff) | |
| download | linux-dev-f5a20472e28ffe8810306ec99d4f57b4b62bb09c.tar.xz linux-dev-f5a20472e28ffe8810306ec99d4f57b4b62bb09c.zip | |
liquidio: Support priv flag
This patch adds support for private flags for the driver.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <rvatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 19 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_main.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_device.h | 15 |
3 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c index 85f5d178d0f6..03bfa9771e4d 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 9f97d11bc09c..a8328f2a6747 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 95b4eb71c533..b4e566dea008 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 |