1 files changed, 111 insertions, 0 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/abm/main.h b/drivers/net/ethernet/netronome/nfp/abm/main.h
new file mode 100644
index 000000000000..f907b7d98917
--- /dev/null
+++ b/drivers/net/ethernet/netronome/nfp/abm/main.h
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/* Copyright (C) 2018 Netronome Systems, Inc. */
+
+#ifndef __NFP_ABM_H__
+#define __NFP_ABM_H__ 1
+
+#include <net/devlink.h>
+
+struct nfp_app;
+struct nfp_net;
+
+#define NFP_ABM_PORTID_TYPE     GENMASK(23, 16)
+#define NFP_ABM_PORTID_ID       GENMASK(7, 0)
+
+/**
+ * struct nfp_abm - ABM NIC app structure
+ * @app:        back pointer to nfp_app
+ * @pf_id:      ID of our PF link
+ * @eswitch_mode:       devlink eswitch mode, advanced functions only visible
+ *                      in switchdev mode
+ * @q_lvls:     queue level control area
+ * @qm_stats:   queue statistics symbol
+ */
+struct nfp_abm {
+        struct nfp_app *app;
+        unsigned int pf_id;
+        enum devlink_eswitch_mode eswitch_mode;
+        const struct nfp_rtsym *q_lvls;
+        const struct nfp_rtsym *qm_stats;
+};
+
+/**
+ * struct nfp_alink_stats - ABM NIC statistics
+ * @tx_pkts:            number of TXed packets
+ * @tx_bytes:           number of TXed bytes
+ * @backlog_pkts:       momentary backlog length (packets)
+ * @backlog_bytes:      momentary backlog length (bytes)
+ * @overlimits:         number of ECN marked TXed packets (accumulative)
+ * @drops:              number of tail-dropped packets (accumulative)
+ */
+struct nfp_alink_stats {
+        u64 tx_pkts;
+        u64 tx_bytes;
+        u64 backlog_pkts;
+        u64 backlog_bytes;
+        u64 overlimits;
+        u64 drops;
+};
+
+/**
+ * struct nfp_alink_xstats - extended ABM NIC statistics
+ * @ecn_marked:         number of ECN marked TXed packets
+ * @pdrop:              number of hard drops due to queue limit
+ */
+struct nfp_alink_xstats {
+        u64 ecn_marked;
+        u64 pdrop;
+};
+
+/**
+ * struct nfp_red_qdisc - representation of single RED Qdisc
+ * @handle:     handle of currently offloaded RED Qdisc
+ * @stats:      statistics from last refresh
+ * @xstats:     base of extended statistics
+ */
+struct nfp_red_qdisc {
+        u32 handle;
+        struct nfp_alink_stats stats;
+        struct nfp_alink_xstats xstats;
+};
+
+/**
+ * struct nfp_abm_link - port tuple of a ABM NIC
+ * @abm:        back pointer to nfp_abm
+ * @vnic:       data vNIC
+ * @id:         id of the data vNIC
+ * @queue_base: id of base to host queue within PCIe (not QC idx)
+ * @total_queues:       number of PF queues
+ * @parent:     handle of expected parent, i.e. handle of MQ, or TC_H_ROOT
+ * @num_qdiscs: number of currently used qdiscs
+ * @qdiscs:     array of qdiscs
+ */
+struct nfp_abm_link {
+        struct nfp_abm *abm;
+        struct nfp_net *vnic;
+        unsigned int id;
+        unsigned int queue_base;
+        unsigned int total_queues;
+        u32 parent;
+        unsigned int num_qdiscs;
+        struct nfp_red_qdisc *qdiscs;
+};
+
+void nfp_abm_ctrl_read_params(struct nfp_abm_link *alink);
+int nfp_abm_ctrl_find_addrs(struct nfp_abm *abm);
+int nfp_abm_ctrl_set_all_q_lvls(struct nfp_abm_link *alink, u32 val);
+int nfp_abm_ctrl_set_q_lvl(struct nfp_abm_link *alink, unsigned int i,
+                           u32 val);
+int nfp_abm_ctrl_read_stats(struct nfp_abm_link *alink,
+                            struct nfp_alink_stats *stats);
+int nfp_abm_ctrl_read_q_stats(struct nfp_abm_link *alink, unsigned int i,
+                              struct nfp_alink_stats *stats);
+int nfp_abm_ctrl_read_xstats(struct nfp_abm_link *alink,
+                             struct nfp_alink_xstats *xstats);
+int nfp_abm_ctrl_read_q_xstats(struct nfp_abm_link *alink, unsigned int i,
+                               struct nfp_alink_xstats *xstats);
+u64 nfp_abm_ctrl_stat_non_sto(struct nfp_abm_link *alink, unsigned int i);
+u64 nfp_abm_ctrl_stat_sto(struct nfp_abm_link *alink, unsigned int i);
+int nfp_abm_ctrl_qm_enable(struct nfp_abm *abm);
+int nfp_abm_ctrl_qm_disable(struct nfp_abm *abm);
+#endif