Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 221 insertions, 0 deletions

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
new file mode 100644
index 000000000..ad33f8586
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -0,0 +1,221 @@
+/* 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_nic.h: Declaration of common code for NIC. */
+
+#ifndef AQ_NIC_H
+#define AQ_NIC_H
+
+#include <linux/ethtool.h>
+#include <net/xdp.h>
+#include <linux/bpf.h>
+
+#include "aq_common.h"
+#include "aq_rss.h"
+#include "aq_hw.h"
+
+struct aq_ring_s;
+struct aq_hw_ops;
+struct aq_fw_s;
+struct aq_vec_s;
+struct aq_macsec_cfg;
+struct aq_ptp_s;
+enum aq_rx_filter_type;
+
+enum aq_fc_mode {
+	AQ_NIC_FC_OFF = 0,
+	AQ_NIC_FC_TX,
+	AQ_NIC_FC_RX,
+	AQ_NIC_FC_FULL,
+};
+
+struct aq_fc_info {
+	enum aq_fc_mode req;
+	enum aq_fc_mode cur;
+};
+
+struct aq_nic_cfg_s {
+	const struct aq_hw_caps_s *aq_hw_caps;
+	u64 features;
+	u32 rxds;		/* rx ring size, descriptors # */
+	u32 txds;		/* tx ring size, descriptors # */
+	u32 vecs;		/* allocated rx/tx vectors */
+	u32 link_irq_vec;
+	u32 irq_type;
+	u32 itr;
+	u16 rx_itr;
+	u16 tx_itr;
+	u32 rxpageorder;
+	u32 num_rss_queues;
+	u32 mtu;
+	struct aq_fc_info fc;
+	u32 link_speed_msk;
+	u32 wol;
+	u8 is_vlan_rx_strip;
+	u8 is_vlan_tx_insert;
+	bool is_vlan_force_promisc;
+	u16 is_mc_list_enabled;
+	u16 mc_list_count;
+	bool is_autoneg;
+	bool is_polling;
+	bool is_rss;
+	bool is_lro;
+	bool is_qos;
+	bool is_ptp;
+	bool is_media_detect;
+	int downshift_counter;
+	enum aq_tc_mode tc_mode;
+	u32 priv_flags;
+	u8  tcs;
+	u8 prio_tc_map[8];
+	u32 tc_max_rate[AQ_CFG_TCS_MAX];
+	unsigned long tc_min_rate_msk;
+	u32 tc_min_rate[AQ_CFG_TCS_MAX];
+	struct aq_rss_parameters aq_rss;
+	u32 eee_speeds;
+};
+
+#define AQ_NIC_FLAG_STARTED     0x00000004U
+#define AQ_NIC_FLAG_STOPPING    0x00000008U
+#define AQ_NIC_FLAG_RESETTING   0x00000010U
+#define AQ_NIC_FLAG_CLOSING     0x00000020U
+#define AQ_NIC_PTP_DPATH_UP     0x02000000U
+#define AQ_NIC_LINK_DOWN        0x04000000U
+#define AQ_NIC_FLAG_ERR_UNPLUG  0x40000000U
+#define AQ_NIC_FLAG_ERR_HW      0x80000000U
+
+#define AQ_NIC_QUIRK_BAD_PTP    BIT(0)
+
+#define AQ_NIC_WOL_MODES        (WAKE_MAGIC |\
+				 WAKE_PHY)
+
+#define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \
+	(((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4)
+
+#define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \
+	((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_))
+
+#define AQ_NIC_RING2QMAP(_NIC_, _ID_) \
+	((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \
+		(_NIC_)->aq_vecs + \
+	((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg)))
+
+struct aq_hw_rx_fl2 {
+	struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS];
+};
+
+struct aq_hw_rx_fl3l4 {
+	u8 active_ipv4;
+	u8 active_ipv6:2;
+	u8 is_ipv6;
+	u8 reserved_count;
+};
+
+struct aq_hw_rx_fltrs_s {
+	struct hlist_head     filter_list;
+	u16                   active_filters;
+	struct aq_hw_rx_fl2   fl2;
+	struct aq_hw_rx_fl3l4 fl3l4;
+	/* filter ether type */
+	u8 fet_reserved_count;
+};
+
+struct aq_nic_s {
+	atomic_t flags;
+	u32 msg_enable;
+	struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX];
+	struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX];
+	struct aq_hw_s *aq_hw;
+	struct bpf_prog *xdp_prog;
+	struct net_device *ndev;
+	unsigned int aq_vecs;
+	unsigned int packet_filter;
+	unsigned int power_state;
+	u8 port;
+	const struct aq_hw_ops *aq_hw_ops;
+	const struct aq_fw_ops *aq_fw_ops;
+	struct aq_nic_cfg_s aq_nic_cfg;
+	struct timer_list service_timer;
+	struct work_struct service_task;
+	struct timer_list polling_timer;
+	struct aq_hw_link_status_s link_status;
+	struct {
+		u32 count;
+		u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN];
+	} mc_list;
+	/* Bitmask of currently assigned vlans from linux */
+	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
+
+	struct pci_dev *pdev;
+	unsigned int msix_entry_mask;
+	u32 irqvecs;
+	/* mutex to serialize FW interface access operations */
+	struct mutex fwreq_mutex;
+#if IS_ENABLED(CONFIG_MACSEC)
+	struct aq_macsec_cfg *macsec_cfg;
+	/* mutex to protect data in macsec_cfg */
+	struct mutex macsec_mutex;
+#endif
+	/* PTP support */
+	struct aq_ptp_s *aq_ptp;
+	struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs;
+};
+
+static inline struct device *aq_nic_get_dev(struct aq_nic_s *self)
+{
+	return self->ndev->dev.parent;
+}
+
+void aq_nic_ndev_init(struct aq_nic_s *self);
+struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev);
+void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
+			struct aq_ring_s *ring);
+struct net_device *aq_nic_get_ndev(struct aq_nic_s *self);
+int aq_nic_init(struct aq_nic_s *self);
+void aq_nic_cfg_start(struct aq_nic_s *self);
+int aq_nic_ndev_register(struct aq_nic_s *self);
+void aq_nic_ndev_free(struct aq_nic_s *self);
+int aq_nic_start(struct aq_nic_s *self);
+unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,
+			    struct aq_ring_s *ring);
+int aq_nic_xmit_xdpf(struct aq_nic_s *aq_nic, struct aq_ring_s *tx_ring,
+		     struct xdp_frame *xdpf);
+int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb);
+int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p);
+int aq_nic_get_regs_count(struct aq_nic_s *self);
+u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data);
+int aq_nic_stop(struct aq_nic_s *self);
+void aq_nic_deinit(struct aq_nic_s *self, bool link_down);
+void aq_nic_set_power(struct aq_nic_s *self);
+void aq_nic_free_hot_resources(struct aq_nic_s *self);
+void aq_nic_free_vectors(struct aq_nic_s *self);
+int aq_nic_realloc_vectors(struct aq_nic_s *self);
+int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu);
+int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev);
+int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags);
+int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev);
+unsigned int aq_nic_get_link_speed(struct aq_nic_s *self);
+void aq_nic_get_link_ksettings(struct aq_nic_s *self,
+			       struct ethtool_link_ksettings *cmd);
+int aq_nic_set_link_ksettings(struct aq_nic_s *self,
+			      const struct ethtool_link_ksettings *cmd);
+struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self);
+u32 aq_nic_get_fw_version(struct aq_nic_s *self);
+int aq_nic_set_loopback(struct aq_nic_s *self);
+int aq_nic_set_downshift(struct aq_nic_s *self, int val);
+int aq_nic_set_media_detect(struct aq_nic_s *self, int val);
+int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self);
+void aq_nic_shutdown(struct aq_nic_s *self);
+u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type);
+void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type,
+			   u32 location);
+int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map);
+int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc,
+			     const u32 max_rate);
+int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc,
+			     const u32 min_rate);
+#endif /* AQ_NIC_H */