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bnx2x: Add timestamping and PTP hardware clock support

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This adds a PHC to the bnx2x driver. Driver supports timestamping send/receive
PTP packets, as well as adjusting the on-chip clock.

The driver has been tested with linuxptp project.

Signed-off-by: Michal Kalderon <Michal.Kalderon@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kalderon
2014-08-17 16:47:44 +03:00
committed by David S. Miller
parent e42780b66a
commit eeed018cbf
8 changed files with 984 additions and 13 deletions
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47
drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
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@@ -3547,7 +3547,9 @@ struct client_init_rx_data {
__le16 rx_cos_mask;
__le16 silent_vlan_value;
__le16 silent_vlan_mask;
__le32 reserved6[2];
u8 handle_ptp_pkts_flg;
u8 reserved6[3];
__le32 reserved7;
};
/*
@@ -3616,7 +3618,9 @@ struct client_update_ramrod_data {
u8 refuse_outband_vlan_change_flg;
u8 tx_switching_flg;
u8 tx_switching_change_flg;
__le32 reserved1;
u8 handle_ptp_pkts_flg;
u8 handle_ptp_pkts_change_flg;
__le16 reserved1;
__le32 echo;
};
@@ -3850,8 +3854,10 @@ struct eth_fast_path_rx_cqe {
#define ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG_SHIFT 4
#define ETH_FAST_PATH_RX_CQE_L4_BAD_XSUM_FLG (0x1<<5)
#define ETH_FAST_PATH_RX_CQE_L4_BAD_XSUM_FLG_SHIFT 5
#define ETH_FAST_PATH_RX_CQE_RESERVED0 (0x3<<6)
#define ETH_FAST_PATH_RX_CQE_RESERVED0_SHIFT 6
#define ETH_FAST_PATH_RX_CQE_PTP_PKT (0x1<<6)
#define ETH_FAST_PATH_RX_CQE_PTP_PKT_SHIFT 6
#define ETH_FAST_PATH_RX_CQE_RESERVED0 (0x1<<7)
#define ETH_FAST_PATH_RX_CQE_RESERVED0_SHIFT 7
u8 status_flags;
#define ETH_FAST_PATH_RX_CQE_RSS_HASH_TYPE (0x7<<0)
#define ETH_FAST_PATH_RX_CQE_RSS_HASH_TYPE_SHIFT 0
@@ -5658,6 +5664,16 @@ struct protocol_common_spe {
union protocol_common_specific_data data;
};
/* The data for the Set Timesync Ramrod */
struct set_timesync_ramrod_data {
u8 drift_adjust_cmd;
u8 offset_cmd;
u8 add_sub_drift_adjust_value;
u8 drift_adjust_value;
u32 drift_adjust_period;
struct regpair offset_delta;
};
/*
* The send queue element
*/
@@ -5780,6 +5796,29 @@ struct tstorm_vf_zone_data {
struct regpair reserved;
};
/* Add or Subtract Value for Set Timesync Ramrod */
enum ts_add_sub_value {
TS_SUB_VALUE,
TS_ADD_VALUE,
MAX_TS_ADD_SUB_VALUE
};
/* Drift-Adjust Commands for Set Timesync Ramrod */
enum ts_drift_adjust_cmd {
TS_DRIFT_ADJUST_KEEP,
TS_DRIFT_ADJUST_SET,
TS_DRIFT_ADJUST_RESET,
MAX_TS_DRIFT_ADJUST_CMD
};
/* Offset Commands for Set Timesync Ramrod */
enum ts_offset_cmd {
TS_OFFSET_KEEP,
TS_OFFSET_INC,
TS_OFFSET_DEC,
MAX_TS_OFFSET_CMD
};
/* Tunnel Mode */
enum tunnel_mode {
TUNN_MODE_NONE,