Imported Upstream version 16.07-rc1

[deb_dpdk.git] / drivers / net / bnxt / bnxt_cpr.h

diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h
new file mode 100644 (file)
index 0000000..c176f8c
--- /dev/null
+++ 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