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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /include/net/gtp.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'include/net/gtp.h')
-rw-r--r--include/net/gtp.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/include/net/gtp.h b/include/net/gtp.h
new file mode 100644
index 000000000..c0253c870
--- /dev/null
+++ b/include/net/gtp.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _GTP_H_
+#define _GTP_H_
+
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <net/rtnetlink.h>
+
+/* General GTP protocol related definitions. */
+
+#define GTP0_PORT 3386
+#define GTP1U_PORT 2152
+
+/* GTP messages types */
+#define GTP_ECHO_REQ 1 /* Echo Request */
+#define GTP_ECHO_RSP 2 /* Echo Response */
+#define GTP_TPDU 255
+
+#define GTPIE_RECOVERY 14
+
+struct gtp0_header { /* According to GSM TS 09.60. */
+ __u8 flags;
+ __u8 type;
+ __be16 length;
+ __be16 seq;
+ __be16 flow;
+ __u8 number;
+ __u8 spare[3];
+ __be64 tid;
+} __attribute__ ((packed));
+
+struct gtp1_header { /* According to 3GPP TS 29.060. */
+ __u8 flags;
+ __u8 type;
+ __be16 length;
+ __be32 tid;
+} __attribute__ ((packed));
+
+struct gtp1_header_long { /* According to 3GPP TS 29.060. */
+ __u8 flags;
+ __u8 type;
+ __be16 length;
+ __be32 tid;
+ __be16 seq;
+ __u8 npdu;
+ __u8 next;
+} __packed;
+
+/* GTP Information Element */
+struct gtp_ie {
+ __u8 tag;
+ __u8 val;
+} __packed;
+
+struct gtp0_packet {
+ struct gtp0_header gtp0_h;
+ struct gtp_ie ie;
+} __packed;
+
+struct gtp1u_packet {
+ struct gtp1_header_long gtp1u_h;
+ struct gtp_ie ie;
+} __packed;
+
+struct gtp_pdu_session_info { /* According to 3GPP TS 38.415. */
+ u8 pdu_type;
+ u8 qfi;
+};
+
+static inline bool netif_is_gtp(const struct net_device *dev)
+{
+ return dev->rtnl_link_ops &&
+ !strcmp(dev->rtnl_link_ops->kind, "gtp");
+}
+
+#define GTP1_F_NPDU 0x01
+#define GTP1_F_SEQ 0x02
+#define GTP1_F_EXTHDR 0x04
+#define GTP1_F_MASK 0x07
+
+struct gtp_ext_hdr {
+ __u8 len;
+ __u8 data[];
+};
+
+#endif