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path: root/drivers/net/ethernet/sfc/ef100_rep.h
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Diffstat (limited to 'drivers/net/ethernet/sfc/ef100_rep.h')
-rw-r--r--drivers/net/ethernet/sfc/ef100_rep.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/ef100_rep.h b/drivers/net/ethernet/sfc/ef100_rep.h
new file mode 100644
index 000000000000..070f700893c1
--- /dev/null
+++ b/drivers/net/ethernet/sfc/ef100_rep.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/****************************************************************************
+ * Driver for Solarflare network controllers and boards
+ * Copyright 2019 Solarflare Communications Inc.
+ * Copyright 2020-2022 Xilinx Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+/* Handling for ef100 representor netdevs */
+#ifndef EF100_REP_H
+#define EF100_REP_H
+
+#include "net_driver.h"
+#include "tc.h"
+
+struct efx_rep_sw_stats {
+ atomic64_t rx_packets, tx_packets;
+ atomic64_t rx_bytes, tx_bytes;
+ atomic64_t rx_dropped, tx_errors;
+};
+
+/**
+ * struct efx_rep - Private data for an Efx representor
+ *
+ * @parent: the efx PF which manages this representor
+ * @net_dev: representor netdevice
+ * @msg_enable: log message enable flags
+ * @mport: m-port ID of corresponding VF
+ * @idx: VF index
+ * @write_index: number of packets enqueued to @rx_list
+ * @read_index: number of packets consumed from @rx_list
+ * @rx_pring_size: max length of RX list
+ * @dflt: default-rule for MAE switching
+ * @list: entry on efx->vf_reps
+ * @rx_list: list of SKBs queued for receive in NAPI poll
+ * @rx_lock: protects @rx_list
+ * @napi: NAPI control structure
+ * @stats: software traffic counters for netdev stats
+ */
+struct efx_rep {
+ struct efx_nic *parent;
+ struct net_device *net_dev;
+ u32 msg_enable;
+ u32 mport;
+ unsigned int idx;
+ unsigned int write_index, read_index;
+ unsigned int rx_pring_size;
+ struct efx_tc_flow_rule dflt;
+ struct list_head list;
+ struct list_head rx_list;
+ spinlock_t rx_lock;
+ struct napi_struct napi;
+ struct efx_rep_sw_stats stats;
+};
+
+int efx_ef100_vfrep_create(struct efx_nic *efx, unsigned int i);
+void efx_ef100_vfrep_destroy(struct efx_nic *efx, struct efx_rep *efv);
+void efx_ef100_fini_vfreps(struct efx_nic *efx);
+
+void efx_ef100_rep_rx_packet(struct efx_rep *efv, struct efx_rx_buffer *rx_buf);
+/* Returns the representor corresponding to a VF m-port, or NULL
+ * @mport is an m-port label, *not* an m-port ID!
+ * Caller must hold rcu_read_lock().
+ */
+struct efx_rep *efx_ef100_find_rep_by_mport(struct efx_nic *efx, u16 mport);
+#endif /* EF100_REP_H */