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authorMichael Chan <michael.chan@broadcom.com>2021-06-27 19:19:45 +0200
committerDavid S. Miller <davem@davemloft.net>2021-06-28 22:41:05 +0200
commitae5c42f0b92ca0abefe2e3930a14fc2e716c81a2 (patch)
treea965d6ed66131c4e94eec6c9cf535fbf241411c3 /drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h
parentbnxt_en: Update firmware interface to 1.10.2.47 (diff)
downloadlinux-ae5c42f0b92ca0abefe2e3930a14fc2e716c81a2.tar.xz
linux-ae5c42f0b92ca0abefe2e3930a14fc2e716c81a2.zip
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 <edwin.peer@broadcom.com> Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h49
1 files changed, 49 insertions, 0 deletions
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