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-rw-r--r--examples/ipsec-secgw/ipip.h59
1 files changed, 26 insertions, 33 deletions
diff --git a/examples/ipsec-secgw/ipip.h b/examples/ipsec-secgw/ipip.h
index 93393d52..13b8455c 100644
--- a/examples/ipsec-secgw/ipip.h
+++ b/examples/ipsec-secgw/ipip.h
@@ -1,34 +1,5 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2016 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) 2016 Intel Corporation
*/
#ifndef __IPIP_H__
@@ -56,6 +27,10 @@ ipip_outbound(struct rte_mbuf *m, uint32_t offset, uint32_t is_ipv6,
if (inip4->ip_v == IPVERSION) {
/* XXX This should be done by the forwarding engine instead */
inip4->ip_ttl -= 1;
+ if (inip4->ip_sum >= rte_cpu_to_be_16(0xffff - 0x100))
+ inip4->ip_sum += rte_cpu_to_be_16(0x100) + 1;
+ else
+ inip4->ip_sum += rte_cpu_to_be_16(0x100);
ds_ecn = inip4->ip_tos;
} else {
inip6 = (struct ip6_hdr *)inip4;
@@ -103,7 +78,7 @@ ipip_outbound(struct rte_mbuf *m, uint32_t offset, uint32_t is_ipv6,
outip4->ip_src.s_addr = src->ip.ip4;
outip4->ip_dst.s_addr = dst->ip.ip4;
-
+ m->packet_type &= ~RTE_PTYPE_L4_MASK;
return outip4;
}
@@ -124,8 +99,17 @@ ip6ip_outbound(struct rte_mbuf *m, uint32_t offset,
static inline void
ip4_ecn_setup(struct ip *ip4)
{
- if (ip4->ip_tos & IPTOS_ECN_MASK)
+ if (ip4->ip_tos & IPTOS_ECN_MASK) {
+ unsigned long sum;
+ uint8_t old;
+
+ old = ip4->ip_tos;
ip4->ip_tos |= IPTOS_ECN_CE;
+ sum = old + (~(*(uint8_t *)&ip4->ip_tos) & 0xff);
+ sum += rte_be_to_cpu_16(ip4->ip_sum);
+ sum = (sum & 0xffff) + (sum >> 16);
+ ip4->ip_sum = rte_cpu_to_be_16(sum + (sum >> 16));
+ }
}
static inline void
@@ -169,6 +153,15 @@ ipip_inbound(struct rte_mbuf *m, uint32_t offset)
ip4_ecn_setup(inip4);
/* XXX This should be done by the forwarding engine instead */
inip4->ip_ttl -= 1;
+ if (inip4->ip_sum >= rte_cpu_to_be_16(0xffff - 0x100))
+ inip4->ip_sum += rte_cpu_to_be_16(0x100) + 1;
+ else
+ inip4->ip_sum += rte_cpu_to_be_16(0x100);
+ m->packet_type &= ~RTE_PTYPE_L4_MASK;
+ if (inip4->ip_p == IPPROTO_UDP)
+ m->packet_type |= RTE_PTYPE_L4_UDP;
+ else if (inip4->ip_p == IPPROTO_TCP)
+ m->packet_type |= RTE_PTYPE_L4_TCP;
} else {
inip6 = (struct ip6_hdr *)inip4;
if (set_ecn)