diff options
| author | Y.b. Lu <yangbo.lu@nxp.com> | 2019-05-23 05:33:29 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-05-24 23:16:32 +0300 |
| commit | d398231219116da5697bbe090e478dd68a2259ed (patch) | |
| tree | ee9ed557c74d819836a8fe8827919fc0d11885fa /drivers/net/ethernet/freescale/enetc/enetc.h | |
| parent | dfb569f2b96e2075bdf80883677d40d86f6b19db (diff) | |
| download | linux-d398231219116da5697bbe090e478dd68a2259ed.tar.xz | |
enetc: add hardware timestamping support
This patch is to add hardware timestamping support
for ENETC. On Rx, timestamping is enabled for all
frames. On Tx, we only instruct the hardware to
timestamp the frames marked accordingly by the stack.
Because the RX BD ring dynamic allocation has not been
supported and it is too expensive to use extended RX BDs
if timestamping is not used, a Kconfig option is used to
enable extended RX BDs in order to support hardware
timestamping. This option will be removed once RX BD
ring dynamic allocation is implemented.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h index b274135c5103..281bb4368b98 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.h +++ b/drivers/net/ethernet/freescale/enetc/enetc.h @@ -21,7 +21,9 @@ struct enetc_tx_swbd { struct sk_buff *skb; dma_addr_t dma; u16 len; - u16 is_dma_page; + u8 is_dma_page:1; + u8 check_wb:1; + u8 do_tstamp:1; }; #define ENETC_RX_MAXFRM_SIZE ENETC_MAC_MAXFRM_SIZE @@ -167,6 +169,12 @@ struct enetc_cls_rule { #define ENETC_MAX_BDR_INT 2 /* fixed to max # of available cpus */ +/* TODO: more hardware offloads */ +enum enetc_active_offloads { + ENETC_F_RX_TSTAMP = BIT(0), + ENETC_F_TX_TSTAMP = BIT(1), +}; + struct enetc_ndev_priv { struct net_device *ndev; struct device *dev; /* dma-mapping device */ @@ -178,6 +186,7 @@ struct enetc_ndev_priv { u16 rx_bd_count, tx_bd_count; u16 msg_enable; + int active_offloads; struct enetc_bdr *tx_ring[16]; struct enetc_bdr *rx_ring[16]; @@ -216,6 +225,7 @@ netdev_tx_t enetc_xmit(struct sk_buff *skb, struct net_device *ndev); struct net_device_stats *enetc_get_stats(struct net_device *ndev); int enetc_set_features(struct net_device *ndev, netdev_features_t features); +int enetc_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd); /* ethtool */ void enetc_set_ethtool_ops(struct net_device *ndev); |