f399b0171e
Remove the references to RTE_SDK and RTE_TARGET environment variables from the build instructions in the comments of the various BPF files, and in the ipsec-secgw common definition script. Signed-off-by: Ciara Power <ciara.power@intel.com> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
34 lines
789 B
C
34 lines
789 B
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Intel Corporation
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*/
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/*
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* eBPF program sample.
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* Accepts pointer to struct rte_mbuf as an input parameter.
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* cleanup mbuf's vlan_tci and all related RX flags
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* (PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED).
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* Doesn't touch contents of packet data.
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* To compile:
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* clang -O2 -target bpf -Wno-int-to-void-pointer-cast -c t2.c
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*
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* NOTE: if DPDK is not installed system-wide, add compiler flag with path
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* to DPDK rte_mbuf.h file, e.g. "clang -I/path/to/dpdk/headers -O2 ..."
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*/
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#include <stdint.h>
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#include <stddef.h>
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#include <rte_config.h>
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#include <rte_mbuf_core.h>
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uint64_t
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entry(void *pkt)
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{
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struct rte_mbuf *mb;
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mb = pkt;
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mb->vlan_tci = 0;
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mb->ol_flags &= ~(PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED);
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return 1;
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}
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