From ae5c42f0b92ca0abefe2e3930a14fc2e716c81a2 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 27 Jun 2021 13:19:45 -0400 Subject: bnxt_en: Get PTP hardware capability from firmware Store PTP hardware info in a structure if hardware and firmware support PTP. Reviewed-by: Edwin Peer Reviewed-by: Pavan Chebbi Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h | 49 +++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h') diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h new file mode 100644 index 000000000000..603f0fdb71c2 --- /dev/null +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h @@ -0,0 +1,49 @@ +/* Broadcom NetXtreme-C/E network driver. + * + * Copyright (c) 2021 Broadcom Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ + +#ifndef BNXT_PTP_H +#define BNXT_PTP_H + +struct bnxt_ptp_cfg { + struct ptp_clock_info ptp_info; + struct ptp_clock *ptp_clock; + struct cyclecounter cc; + struct timecounter tc; + /* serialize timecounter access */ + spinlock_t ptp_lock; + struct sk_buff *tx_skb; + u64 current_time; + u64 old_time; + unsigned long next_period; + u16 tx_seqid; + struct bnxt *bp; + atomic_t tx_avail; +#define BNXT_MAX_TX_TS 1 + u16 rxctl; +#define BNXT_PTP_MSG_SYNC (1 << 0) +#define BNXT_PTP_MSG_DELAY_REQ (1 << 1) +#define BNXT_PTP_MSG_PDELAY_REQ (1 << 2) +#define BNXT_PTP_MSG_PDELAY_RESP (1 << 3) +#define BNXT_PTP_MSG_FOLLOW_UP (1 << 8) +#define BNXT_PTP_MSG_DELAY_RESP (1 << 9) +#define BNXT_PTP_MSG_PDELAY_RESP_FOLLOW_UP (1 << 10) +#define BNXT_PTP_MSG_ANNOUNCE (1 << 11) +#define BNXT_PTP_MSG_SIGNALING (1 << 12) +#define BNXT_PTP_MSG_MANAGEMENT (1 << 13) +#define BNXT_PTP_MSG_EVENTS (BNXT_PTP_MSG_SYNC | \ + BNXT_PTP_MSG_DELAY_REQ | \ + BNXT_PTP_MSG_PDELAY_REQ | \ + BNXT_PTP_MSG_PDELAY_RESP) + u8 tx_tstamp_en:1; + int rx_filter; + + u32 refclk_regs[2]; + u32 refclk_mapped_regs[2]; +}; +#endif -- cgit v1.2.3-59-g8ed1b