summaryrefslogtreecommitdiffstats
path: root/drivers/net/bnxt/bnxt_txq.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/bnxt/bnxt_txq.h')
-rw-r--r--drivers/net/bnxt/bnxt_txq.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/net/bnxt/bnxt_txq.h b/drivers/net/bnxt/bnxt_txq.h
new file mode 100644
index 00000000..16f3a0bd
--- /dev/null
+++ b/drivers/net/bnxt/bnxt_txq.h
@@ -0,0 +1,75 @@
+/*-
+ * 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_TXQ_H_
+#define _BNXT_TXQ_H_
+
+struct bnxt_tx_ring_info;
+struct bnxt_cp_ring_info;
+struct bnxt_tx_queue {
+ uint16_t nb_tx_desc; /* number of TX descriptors */
+ uint16_t tx_free_thresh;/* minimum TX before freeing */
+ /** Index to last TX descriptor to have been cleaned. */
+ uint16_t last_desc_cleaned;
+ /** Total number of TX descriptors ready to be allocated. */
+ uint16_t tx_next_dd; /* next desc to scan for DD bit */
+ uint16_t tx_next_rs; /* next desc to set RS bit */
+ uint16_t queue_id; /* TX queue index */
+ uint16_t reg_idx; /* TX queue register index */
+ uint8_t port_id; /* Device port identifier */
+ uint8_t pthresh; /* Prefetch threshold register */
+ uint8_t hthresh; /* Host threshold register */
+ uint8_t wthresh; /* Write-back threshold reg */
+ uint32_t txq_flags; /* Holds flags for this TXq */
+ uint32_t ctx_curr; /* Hardware context states */
+ uint8_t tx_deferred_start; /* not in global dev start */
+
+ struct bnxt *bp;
+ int index;
+ int tx_wake_thresh;
+ struct bnxt_tx_ring_info *tx_ring;
+
+ unsigned int cp_nr_rings;
+ struct bnxt_cp_ring_info *cp_ring;
+};
+
+void bnxt_free_txq_stats(struct bnxt_tx_queue *txq);
+void bnxt_free_tx_mbufs(struct bnxt *bp);
+void bnxt_tx_queue_release_op(void *tx_queue);
+int bnxt_tx_queue_setup_op(struct rte_eth_dev *eth_dev,
+ uint16_t queue_idx,
+ uint16_t nb_desc,
+ unsigned int socket_id,
+ const struct rte_eth_txconf *tx_conf);
+
+#endif