-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2017 Intel Corporation. All rights reserved.
- * 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) 2017 Intel Corporation
*/
#include <errno.h>
#include "rte_gso.h"
#include "gso_common.h"
#include "gso_tcp4.h"
+#include "gso_tunnel_tcp4.h"
+#include "gso_tunnel_udp4.h"
+#include "gso_udp4.h"
+
+#define ILLEGAL_UDP_GSO_CTX(ctx) \
+ ((((ctx)->gso_types & DEV_TX_OFFLOAD_UDP_TSO) == 0) || \
+ (ctx)->gso_size < RTE_GSO_UDP_SEG_SIZE_MIN)
+
+#define ILLEGAL_TCP_GSO_CTX(ctx) \
+ ((((ctx)->gso_types & (DEV_TX_OFFLOAD_TCP_TSO | \
+ DEV_TX_OFFLOAD_VXLAN_TNL_TSO | \
+ DEV_TX_OFFLOAD_GRE_TNL_TSO)) == 0) || \
+ (ctx)->gso_size < RTE_GSO_SEG_SIZE_MIN)
int
rte_gso_segment(struct rte_mbuf *pkt,
uint16_t nb_pkts_out)
{
struct rte_mempool *direct_pool, *indirect_pool;
- struct rte_mbuf *pkt_seg;
uint64_t ol_flags;
uint16_t gso_size;
uint8_t ipid_delta;
if (pkt == NULL || pkts_out == NULL || gso_ctx == NULL ||
nb_pkts_out < 1 ||
- gso_ctx->gso_size < RTE_GSO_SEG_SIZE_MIN ||
- gso_ctx->gso_types != DEV_TX_OFFLOAD_TCP_TSO)
+ (ILLEGAL_UDP_GSO_CTX(gso_ctx) &&
+ ILLEGAL_TCP_GSO_CTX(gso_ctx)))
return -EINVAL;
if (gso_ctx->gso_size >= pkt->pkt_len) {
- pkt->ol_flags &= (~PKT_TX_TCP_SEG);
- pkts_out[0] = pkt;
- return 1;
+ pkt->ol_flags &= (~(PKT_TX_TCP_SEG | PKT_TX_UDP_SEG));
+ return 0;
}
direct_pool = gso_ctx->direct_pool;
ipid_delta = (gso_ctx->flag != RTE_GSO_FLAG_IPID_FIXED);
ol_flags = pkt->ol_flags;
- if (IS_IPV4_TCP(pkt->ol_flags)) {
+ if ((IS_IPV4_VXLAN_TCP4(pkt->ol_flags) &&
+ (gso_ctx->gso_types & DEV_TX_OFFLOAD_VXLAN_TNL_TSO)) ||
+ ((IS_IPV4_GRE_TCP4(pkt->ol_flags) &&
+ (gso_ctx->gso_types & DEV_TX_OFFLOAD_GRE_TNL_TSO)))) {
+ pkt->ol_flags &= (~PKT_TX_TCP_SEG);
+ ret = gso_tunnel_tcp4_segment(pkt, gso_size, ipid_delta,
+ direct_pool, indirect_pool,
+ pkts_out, nb_pkts_out);
+ } else if (IS_IPV4_VXLAN_UDP4(pkt->ol_flags) &&
+ (gso_ctx->gso_types & DEV_TX_OFFLOAD_VXLAN_TNL_TSO) &&
+ (gso_ctx->gso_types & DEV_TX_OFFLOAD_UDP_TSO)) {
+ pkt->ol_flags &= (~PKT_TX_UDP_SEG);
+ ret = gso_tunnel_udp4_segment(pkt, gso_size,
+ direct_pool, indirect_pool,
+ pkts_out, nb_pkts_out);
+ } else if (IS_IPV4_TCP(pkt->ol_flags) &&
+ (gso_ctx->gso_types & DEV_TX_OFFLOAD_TCP_TSO)) {
pkt->ol_flags &= (~PKT_TX_TCP_SEG);
ret = gso_tcp4_segment(pkt, gso_size, ipid_delta,
direct_pool, indirect_pool,
pkts_out, nb_pkts_out);
+ } else if (IS_IPV4_UDP(pkt->ol_flags) &&
+ (gso_ctx->gso_types & DEV_TX_OFFLOAD_UDP_TSO)) {
+ pkt->ol_flags &= (~PKT_TX_UDP_SEG);
+ ret = gso_udp4_segment(pkt, gso_size, direct_pool,
+ indirect_pool, pkts_out, nb_pkts_out);
} else {
- pkts_out[0] = pkt;
+ /* unsupported packet, skip */
RTE_LOG(DEBUG, GSO, "Unsupported packet type\n");
- return 1;
+ ret = 0;
}
- if (ret > 1) {
- pkt_seg = pkt;
- while (pkt_seg) {
- rte_mbuf_refcnt_update(pkt_seg, -1);
- pkt_seg = pkt_seg->next;
- }
- } else if (ret < 0) {
+ if (ret < 0) {
/* Revert the ol_flags in the event of failure. */
pkt->ol_flags = ol_flags;
}
git.droids-corp.org / dpdk.git / blobdiff