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authorQingfang Deng <dqfext@gmail.com>2026-02-24 09:50:52 +0800
committerPaolo Abeni <pabeni@redhat.com>2026-02-26 11:41:00 +0100
commit15c9ed1d8286dc0297f01347dc74f5a8cbc173de (patch)
tree6e3c234886bbadc11e14bbaaa6ab1d3ffddce826 /include/uapi/linux
parent90fcb0f3bc5ab67773b35030af68ed8c6bd83e1c (diff)
pppoe: remove kernel-mode relay support
The kernel-mode PPPoE relay feature and its two associated ioctls (PPPOEIOCSFWD and PPPOEIOCDFWD) are not used by any existing userspace PPPoE implementations. The most commonly-used package, RP-PPPoE [1], handles the relaying entirely in userspace. This legacy code has remained in the driver since its introduction in kernel 2.3.99-pre7 for over two decades, but has served no practical purpose. Remove the unused relay code. [1] https://dianne.skoll.ca/projects/rp-pppoe/ Signed-off-by: Qingfang Deng <dqfext@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Guillaume Nault <gnault@redhat.com> Link: https://patch.msgid.link/20260224015053.42472-1-dqfext@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/if_pppox.h10
1 files changed, 0 insertions, 10 deletions
diff --git a/include/uapi/linux/if_pppox.h b/include/uapi/linux/if_pppox.h
index 29b804aa7474..7ae044d71fb7 100644
--- a/include/uapi/linux/if_pppox.h
+++ b/include/uapi/linux/if_pppox.h
@@ -103,16 +103,6 @@ struct sockaddr_pppol2tpv3in6 {
struct pppol2tpv3in6_addr pppol2tp;
} __packed;
-/*********************************************************************
- *
- * ioctl interface for defining forwarding of connections
- *
- ********************************************************************/
-
-#define PPPOEIOCSFWD _IOW(0xB1 ,0, size_t)
-#define PPPOEIOCDFWD _IO(0xB1 ,1)
-/*#define PPPOEIOCGFWD _IOWR(0xB1,2, size_t)*/
-
/* Codes to identify message types */
#define PADI_CODE 0x09
#define PADO_CODE 0x07