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qed: Add infrastructure for PTP support

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The patch adds the required qed interfaces for configuring/reading
the PTP clock on the adapter.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sudarsana Reddy Kalluru 2017-02-15 10:24:10 +02:00 • committed by David S. Miller
parent b93f79bea9
commit c78c70fa30
9 changed files with 447 additions and 1 deletions
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22
include/linux/qed/qed_eth_if.h
View file

@ -96,6 +96,7 @@ struct qed_update_vport_params {
struct qed_start_vport_params {
bool remove_inner_vlan;
bool handle_ptp_pkts;
bool gro_enable;
bool drop_ttl0;
u8 vport_id;
@ -159,6 +160,15 @@ struct qed_eth_cb_ops {
void (*force_mac) (void *dev, u8 *mac, bool forced);
};
#define QED_MAX_PHC_DRIFT_PPB 291666666
enum qed_ptp_filter_type {
QED_PTP_FILTER_L2,
QED_PTP_FILTER_IPV4,
QED_PTP_FILTER_IPV4_IPV6,
QED_PTP_FILTER_L2_IPV4_IPV6
};
#ifdef CONFIG_DCB
/* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
* of dcbnl_rtnl_ops structure.
@ -218,6 +228,17 @@ struct qed_eth_dcbnl_ops {
};
#endif
struct qed_eth_ptp_ops {
int (*hwtstamp_tx_on)(struct qed_dev *);
int (*cfg_rx_filters)(struct qed_dev *, enum qed_ptp_filter_type);
int (*read_rx_ts)(struct qed_dev *, u64 *);
int (*read_tx_ts)(struct qed_dev *, u64 *);
int (*read_cc)(struct qed_dev *, u64 *);
int (*disable)(struct qed_dev *);
int (*adjfreq)(struct qed_dev *, s32);
int (*enable)(struct qed_dev *);
};
struct qed_eth_ops {
const struct qed_common_ops *common;
#ifdef CONFIG_QED_SRIOV
@ -226,6 +247,7 @@ struct qed_eth_ops {
#ifdef CONFIG_DCB
const struct qed_eth_dcbnl_ops *dcb;
#endif
const struct qed_eth_ptp_ops *ptp;
int (*fill_dev_info)(struct qed_dev *cdev,
struct qed_dev_eth_info *info);