Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 163 insertions, 0 deletions

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h
new file mode 100644
index 000000000..210b723f2
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h
@@ -0,0 +1,163 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
+ */
+
+/* File aq_ptp.h: Declaration of PTP functions.
+ */
+#ifndef AQ_PTP_H
+#define AQ_PTP_H
+
+#include <linux/net_tstamp.h>
+
+#include "aq_ring.h"
+
+#define PTP_8TC_RING_IDX             8
+#define PTP_4TC_RING_IDX            16
+#define PTP_HWST_RING_IDX           31
+
+/* Index must to be 8 (8 TCs) or 16 (4 TCs).
+ * It depends from Traffic Class mode.
+ */
+static inline unsigned int aq_ptp_ring_idx(const enum aq_tc_mode tc_mode)
+{
+	if (tc_mode == AQ_TC_MODE_8TCS)
+		return PTP_8TC_RING_IDX;
+
+	return PTP_4TC_RING_IDX;
+}
+
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
+
+/* Common functions */
+int aq_ptp_init(struct aq_nic_s *aq_nic, unsigned int idx_vec);
+
+void aq_ptp_unregister(struct aq_nic_s *aq_nic);
+void aq_ptp_free(struct aq_nic_s *aq_nic);
+
+int aq_ptp_irq_alloc(struct aq_nic_s *aq_nic);
+void aq_ptp_irq_free(struct aq_nic_s *aq_nic);
+
+int aq_ptp_ring_alloc(struct aq_nic_s *aq_nic);
+void aq_ptp_ring_free(struct aq_nic_s *aq_nic);
+
+int aq_ptp_ring_init(struct aq_nic_s *aq_nic);
+int aq_ptp_ring_start(struct aq_nic_s *aq_nic);
+void aq_ptp_ring_stop(struct aq_nic_s *aq_nic);
+void aq_ptp_ring_deinit(struct aq_nic_s *aq_nic);
+
+void aq_ptp_service_task(struct aq_nic_s *aq_nic);
+
+void aq_ptp_tm_offset_set(struct aq_nic_s *aq_nic, unsigned int mbps);
+
+void aq_ptp_clock_init(struct aq_nic_s *aq_nic);
+
+/* Traffic processing functions */
+int aq_ptp_xmit(struct aq_nic_s *aq_nic, struct sk_buff *skb);
+void aq_ptp_tx_hwtstamp(struct aq_nic_s *aq_nic, u64 timestamp);
+
+/* Must be to check available of PTP before call */
+void aq_ptp_hwtstamp_config_get(struct aq_ptp_s *aq_ptp,
+				struct hwtstamp_config *config);
+int aq_ptp_hwtstamp_config_set(struct aq_ptp_s *aq_ptp,
+			       struct hwtstamp_config *config);
+
+/* Return either ring is belong to PTP or not*/
+bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring);
+
+u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, struct skb_shared_hwtstamps *shhwtstamps, u8 *p,
+		      unsigned int len);
+
+struct ptp_clock *aq_ptp_get_ptp_clock(struct aq_ptp_s *aq_ptp);
+
+int aq_ptp_link_change(struct aq_nic_s *aq_nic);
+
+/* PTP ring statistics */
+int aq_ptp_get_ring_cnt(struct aq_nic_s *aq_nic, const enum atl_ring_type ring_type);
+u64 *aq_ptp_get_stats(struct aq_nic_s *aq_nic, u64 *data);
+
+#else
+
+static inline int aq_ptp_init(struct aq_nic_s *aq_nic, unsigned int idx_vec)
+{
+	return 0;
+}
+
+static inline void aq_ptp_unregister(struct aq_nic_s *aq_nic) {}
+
+static inline void aq_ptp_free(struct aq_nic_s *aq_nic)
+{
+}
+
+static inline int aq_ptp_irq_alloc(struct aq_nic_s *aq_nic)
+{
+	return 0;
+}
+
+static inline void aq_ptp_irq_free(struct aq_nic_s *aq_nic)
+{
+}
+
+static inline int aq_ptp_ring_alloc(struct aq_nic_s *aq_nic)
+{
+	return 0;
+}
+
+static inline void aq_ptp_ring_free(struct aq_nic_s *aq_nic) {}
+
+static inline int aq_ptp_ring_init(struct aq_nic_s *aq_nic)
+{
+	return 0;
+}
+
+static inline int aq_ptp_ring_start(struct aq_nic_s *aq_nic)
+{
+	return 0;
+}
+
+static inline void aq_ptp_ring_stop(struct aq_nic_s *aq_nic) {}
+static inline void aq_ptp_ring_deinit(struct aq_nic_s *aq_nic) {}
+static inline void aq_ptp_service_task(struct aq_nic_s *aq_nic) {}
+static inline void aq_ptp_tm_offset_set(struct aq_nic_s *aq_nic,
+					unsigned int mbps) {}
+static inline void aq_ptp_clock_init(struct aq_nic_s *aq_nic) {}
+static inline int aq_ptp_xmit(struct aq_nic_s *aq_nic, struct sk_buff *skb)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline void aq_ptp_tx_hwtstamp(struct aq_nic_s *aq_nic, u64 timestamp) {}
+static inline void aq_ptp_hwtstamp_config_get(struct aq_ptp_s *aq_ptp,
+					      struct hwtstamp_config *config) {}
+static inline int aq_ptp_hwtstamp_config_set(struct aq_ptp_s *aq_ptp,
+					     struct hwtstamp_config *config)
+{
+	return 0;
+}
+
+static inline bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring)
+{
+	return false;
+}
+
+static inline u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic,
+				    struct skb_shared_hwtstamps *shhwtstamps, u8 *p,
+				    unsigned int len)
+{
+	return 0;
+}
+
+static inline struct ptp_clock *aq_ptp_get_ptp_clock(struct aq_ptp_s *aq_ptp)
+{
+	return NULL;
+}
+
+static inline int aq_ptp_link_change(struct aq_nic_s *aq_nic)
+{
+	return 0;
+}
+#endif
+
+#endif /* AQ_PTP_H */