examples/l3fwd: add vector stubs for RISC-V

[dpdk.git] / examples / l3fwd / l3fwd_common.h

diff --git a/examples/l3fwd/l3fwd_common.h b/examples/l3fwd/l3fwd_common.h
index 2867365..8e4c272 100644 (file)
--- a/examples/l3fwd/l3fwd_common.h
+++ b/examples/l3fwd/l3fwd_common.h
@@ -1,35 +1,6 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2016 Intel Corporation. All rights reserved.
- *   Copyright(c) 2017, Linaro 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 Intel 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2018 Intel Corporation.
+ * Copyright(c) 2017-2018 Linaro Limited.
  */
 
 
@@ -43,7 +14,7 @@
 #define        IPV4_MAX_VER_IHL_DIFF   (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL)
 
 /* Minimum value of IPV4 total length (20B) in network byte order. */
-#define        IPV4_MIN_LEN_BE (sizeof(struct ipv4_hdr) << 8)
+#define        IPV4_MIN_LEN_BE (sizeof(struct rte_ipv4_hdr) << 8)
 
 /*
  * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2:
@@ -57,7 +28,7 @@
  * to BAD_PORT value.
  */
 static __rte_always_inline void
-rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
+rfc1812_process(struct rte_ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
 {
        uint8_t ihl;
 
@@ -80,7 +51,7 @@ rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
 #endif /* DO_RFC_1812_CHECKS */
 
 /*
- * We group consecutive packets with the same destionation port into one burst.
+ * We group consecutive packets with the same destination port into one burst.
  * To avoid extra latency this is done together with some other packet
  * processing, but after we made a final decision about packet's destination.
  * To do this we maintain:
@@ -105,7 +76,7 @@ rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
 
 static const struct {
        uint64_t pnum; /* prebuild 4 values for pnum[]. */
-       int32_t  idx;  /* index for new last updated elemnet. */
+       int32_t  idx;  /* index for new last updated element. */
        uint16_t lpv;  /* add value to the last updated element. */
 } gptbl[GRPSZ] = {
        {
@@ -207,7 +178,7 @@ static const struct {
 };
 
 static __rte_always_inline void
-send_packetsx4(struct lcore_conf *qconf, uint8_t port, struct rte_mbuf *m[],
+send_packetsx4(struct lcore_conf *qconf, uint16_t port, struct rte_mbuf *m[],
                uint32_t num)
 {
        uint32_t len, j, n;
@@ -265,6 +236,9 @@ send_packetsx4(struct lcore_conf *qconf, uint8_t port, struct rte_mbuf *m[],
 
                /* copy rest of the packets into the TX buffer. */
                len = num - n;
+               if (len == 0)
+                       goto exit;
+
                j = 0;
                switch (len % FWDSTEP) {
                while (j < len) {
@@ -287,6 +261,7 @@ send_packetsx4(struct lcore_conf *qconf, uint8_t port, struct rte_mbuf *m[],
                }
        }
 
+exit:
        qconf->tx_mbufs[port].len = len;
 }