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-rw-r--r--drivers/net/bnxt/bnxt_cpr.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h
new file mode 100644
index 00000000..c176f8c5
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+++ b/drivers/net/bnxt/bnxt_cpr.h
@@ -0,0 +1,86 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) Broadcom Limited.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Broadcom Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _BNXT_CPR_H_
+#define _BNXT_CPR_H_
+
+#define CMP_VALID(cmp, raw_cons, ring) \
+ (!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == \
+ !((raw_cons) & ((ring)->ring_size)))
+
+#define CMP_TYPE(cmp) \
+ (((struct cmpl_base *)cmp)->type & CMPL_BASE_TYPE_MASK)
+
+#define ADV_RAW_CMP(idx, n) ((idx) + (n))
+#define NEXT_RAW_CMP(idx) ADV_RAW_CMP(idx, 1)
+#define RING_CMP(ring, idx) ((idx) & (ring)->ring_mask)
+#define NEXT_CMP(idx) RING_CMP(ADV_RAW_CMP(idx, 1))
+
+#define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID)
+#define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS)
+
+#define B_CP_DB_REARM(cpr, raw_cons) \
+ (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_REARM_FLAGS | \
+ RING_CMP(cpr->cp_ring_struct, raw_cons)))
+
+#define B_CP_DIS_DB(cpr, raw_cons) \
+ (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS | \
+ RING_CMP(cpr->cp_ring_struct, raw_cons)))
+
+struct bnxt_ring;
+struct bnxt_cp_ring_info {
+ uint32_t cp_raw_cons;
+ void *cp_doorbell;
+
+ struct cmpl_base *cp_desc_ring;
+
+ phys_addr_t cp_desc_mapping;
+
+ struct ctx_hw_stats *hw_stats;
+ phys_addr_t hw_stats_map;
+ uint32_t hw_stats_ctx_id;
+
+ struct bnxt_ring *cp_ring_struct;
+};
+
+#define RX_CMP_L2_ERRORS \
+ (RX_PKT_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_PKT_CMPL_ERRORS_CRC_ERROR)
+
+
+struct bnxt;
+void bnxt_free_def_cp_ring(struct bnxt *bp);
+int bnxt_init_def_ring_struct(struct bnxt *bp, unsigned int socket_id);
+void bnxt_handle_async_event(struct bnxt *bp, struct cmpl_base *cmp);
+void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmp);
+
+#endif