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Following patch add support for flow based tunneling API to send and recv GTP tunnel packet over tunnel metadata API. This would allow this device integration with OVS or eBPF using flow based tunneling APIs. Signed-off-by: Pravin B Shelar <pbshelar@fb.com> Link: https://lore.kernel.org/r/20210110070021.26822-1-pbshelar@fb.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
50 lines
857 B
C
50 lines
857 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_LINUX_GTP_H_
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#define _UAPI_LINUX_GTP_H_
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#include <linux/types.h>
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#define GTP_GENL_MCGRP_NAME "gtp"
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enum gtp_genl_cmds {
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GTP_CMD_NEWPDP,
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GTP_CMD_DELPDP,
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GTP_CMD_GETPDP,
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GTP_CMD_MAX,
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};
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enum gtp_version {
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GTP_V0 = 0,
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GTP_V1,
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};
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enum gtp_attrs {
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GTPA_UNSPEC = 0,
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GTPA_LINK,
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GTPA_VERSION,
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GTPA_TID, /* for GTPv0 only */
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GTPA_PEER_ADDRESS, /* Remote GSN peer, either SGSN or GGSN */
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#define GTPA_SGSN_ADDRESS GTPA_PEER_ADDRESS /* maintain legacy attr name */
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GTPA_MS_ADDRESS,
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GTPA_FLOW,
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GTPA_NET_NS_FD,
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GTPA_I_TEI, /* for GTPv1 only */
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GTPA_O_TEI, /* for GTPv1 only */
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GTPA_PAD,
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__GTPA_MAX,
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};
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#define GTPA_MAX (__GTPA_MAX + 1)
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enum {
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GTP_METADATA_V1
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};
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struct gtpu_metadata {
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__u8 ver;
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__u8 flags;
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__u8 type;
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};
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#endif /* _UAPI_LINUX_GTP_H_ */
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