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Message-ID: <2c5cd364-e8d4-57f8-5e0d-6c03d10e7813@gmail.com>
Date: Tue, 24 Aug 2021 01:52:25 +0200
From: Michael Straube <straube.linux@...il.com>
To: gregkh@...uxfoundation.org
Cc: Larry.Finger@...inger.net, phil@...lpotter.co.uk, martin@...ser.cx,
fmdefrancesco@...il.com, linux-staging@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] staging: r8188eu: remove ip.h header file
On 8/23/21 10:28 AM, Michael Straube wrote:
> The struct ip_options declared in ip.h is only unsed in the optlength
> macro which is also defined in ip.h and not used in the driver code.
> All other definitions/declarations in ip.h are duplicated from
> <include/uapi/linux/ip.h>. Remove the ip.h header file and its includes.
>
> Signed-off-by: Michael Straube <straube.linux@...il.com>
> ---
> v1 -> v2
> Updated the commit message to make clear that the optlength macro is
> unused.
>
> drivers/staging/r8188eu/core/rtw_recv.c | 1 -
> drivers/staging/r8188eu/core/rtw_xmit.c | 1 -
> drivers/staging/r8188eu/hal/rtl8188eu_recv.c | 1 -
> drivers/staging/r8188eu/include/ip.h | 109 -------------------
> drivers/staging/r8188eu/os_dep/xmit_linux.c | 1 -
> 5 files changed, 113 deletions(-)
> delete mode 100644 drivers/staging/r8188eu/include/ip.h
>
> diff --git a/drivers/staging/r8188eu/core/rtw_recv.c b/drivers/staging/r8188eu/core/rtw_recv.c
> index 52236bae8693..8802f24fec3a 100644
> --- a/drivers/staging/r8188eu/core/rtw_recv.c
> +++ b/drivers/staging/r8188eu/core/rtw_recv.c
> @@ -7,7 +7,6 @@
> #include "../include/drv_types.h"
> #include "../include/recv_osdep.h"
> #include "../include/mlme_osdep.h"
> -#include "../include/ip.h"
> #include "../include/if_ether.h"
> #include "../include/ethernet.h"
> #include "../include/usb_ops.h"
> diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
> index f242f3ffca70..38183fd37b93 100644
> --- a/drivers/staging/r8188eu/core/rtw_xmit.c
> +++ b/drivers/staging/r8188eu/core/rtw_xmit.c
> @@ -7,7 +7,6 @@
> #include "../include/drv_types.h"
> #include "../include/wifi.h"
> #include "../include/osdep_intf.h"
> -#include "../include/ip.h"
> #include "../include/usb_ops.h"
> #include "../include/usb_osintf.h"
>
> diff --git a/drivers/staging/r8188eu/hal/rtl8188eu_recv.c b/drivers/staging/r8188eu/hal/rtl8188eu_recv.c
> index a44c9598186c..216a752e6246 100644
> --- a/drivers/staging/r8188eu/hal/rtl8188eu_recv.c
> +++ b/drivers/staging/r8188eu/hal/rtl8188eu_recv.c
> @@ -6,7 +6,6 @@
> #include "../include/drv_types.h"
> #include "../include/recv_osdep.h"
> #include "../include/mlme_osdep.h"
> -#include "../include/ip.h"
> #include "../include/if_ether.h"
> #include "../include/ethernet.h"
>
> diff --git a/drivers/staging/r8188eu/include/ip.h b/drivers/staging/r8188eu/include/ip.h
> deleted file mode 100644
> index b7388c8c1b8a..000000000000
> --- a/drivers/staging/r8188eu/include/ip.h
> +++ /dev/null
> @@ -1,109 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
> -/* Copyright(c) 2007 - 2011 Realtek Corporation. */
> -
> -#ifndef _LINUX_IP_H
> -#define _LINUX_IP_H
> -
> -/* SOL_IP socket options */
> -
> -#define IPTOS_TOS_MASK 0x1E
> -#define IPTOS_TOS(tos) ((tos)&IPTOS_TOS_MASK)
> -#define IPTOS_LOWDELAY 0x10
> -#define IPTOS_THROUGHPUT 0x08
> -#define IPTOS_RELIABILITY 0x04
> -#define IPTOS_MINCOST 0x02
> -
> -#define IPTOS_PREC_MASK 0xE0
> -#define IPTOS_PREC(tos) ((tos)&IPTOS_PREC_MASK)
> -#define IPTOS_PREC_NETCONTROL 0xe0
> -#define IPTOS_PREC_INTERNETCONTROL 0xc0
> -#define IPTOS_PREC_CRITIC_ECP 0xa0
> -#define IPTOS_PREC_FLASHOVERRIDE 0x80
> -#define IPTOS_PREC_FLASH 0x60
> -#define IPTOS_PREC_IMMEDIATE 0x40
> -#define IPTOS_PREC_PRIORITY 0x20
> -#define IPTOS_PREC_ROUTINE 0x00
> -
> -/* IP options */
> -#define IPOPT_COPY 0x80
> -#define IPOPT_CLASS_MASK 0x60
> -#define IPOPT_NUMBER_MASK 0x1f
> -
> -#define IPOPT_COPIED(o) ((o)&IPOPT_COPY)
> -#define IPOPT_CLASS(o) ((o)&IPOPT_CLASS_MASK)
> -#define IPOPT_NUMBER(o) ((o)&IPOPT_NUMBER_MASK)
> -
> -#define IPOPT_CONTROL 0x00
> -#define IPOPT_RESERVED1 0x20
> -#define IPOPT_MEASUREMENT 0x40
> -#define IPOPT_RESERVED2 0x60
> -
> -#define IPOPT_END (0 | IPOPT_CONTROL)
> -#define IPOPT_NOOP (1 | IPOPT_CONTROL)
> -#define IPOPT_SEC (2 | IPOPT_CONTROL | IPOPT_COPY)
> -#define IPOPT_LSRR (3 | IPOPT_CONTROL | IPOPT_COPY)
> -#define IPOPT_TIMESTAMP (4 | IPOPT_MEASUREMENT)
> -#define IPOPT_RR (7 | IPOPT_CONTROL)
> -#define IPOPT_SID (8 | IPOPT_CONTROL | IPOPT_COPY)
> -#define IPOPT_SSRR (9 | IPOPT_CONTROL | IPOPT_COPY)
> -#define IPOPT_RA (20 | IPOPT_CONTROL | IPOPT_COPY)
> -
> -#define IPVERSION 4
> -#define MAXTTL 255
> -#define IPDEFTTL 64
> -#define IPOPT_OPTVAL 0
> -#define IPOPT_OLEN 1
> -#define IPOPT_OFFSET 2
> -#define IPOPT_MINOFF 4
> -#define MAX_IPOPTLEN 40
> -#define IPOPT_NOP IPOPT_NOOP
> -#define IPOPT_EOL IPOPT_END
> -#define IPOPT_TS IPOPT_TIMESTAMP
> -
> -#define IPOPT_TS_TSONLY 0 /* timestamps only */
> -#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
> -#define IPOPT_TS_PRESPEC 3 /* specified modules only */
> -
> -struct ip_options {
> - __u32 faddr; /* Saved first hop address */
> - unsigned char optlen;
> - unsigned char srr;
> - unsigned char rr;
> - unsigned char ts;
> - unsigned char is_setbyuser:1, /* Set by setsockopt? */
> - is_data:1, /* Options in __data, rather than skb*/
> - is_strictroute:1,/* Strict source route */
> - srr_is_hit:1, /* Packet destn addr was ours */
> - is_changed:1, /* IP checksum more not valid */
> - rr_needaddr:1, /* Need to record addr of out dev*/
> - ts_needtime:1, /* Need to record timestamp */
> - ts_needaddr:1; /* Need to record addr of out dev */
> - unsigned char router_alert;
> - unsigned char __pad1;
> - unsigned char __pad2;
> - unsigned char __data[0];
> -};
> -
> -#define optlength(opt) (sizeof(struct ip_options) + opt->optlen)
> -
> -struct iphdr {
> -#if defined(__LITTLE_ENDIAN_BITFIELD)
> - __u8 ihl:4,
> - version:4;
> -#elif defined(__BIG_ENDIAN_BITFIELD)
> - __u8 version:4,
> - ihl:4;
> -#endif
> - __u8 tos;
> - __u16 tot_len;
> - __u16 id;
> - __u16 frag_off;
> - __u8 ttl;
> - __u8 protocol;
> - __u16 check;
> - __u32 saddr;
> - __u32 daddr;
> - /*The options start here. */
> -};
> -
> -#endif /* _LINUX_IP_H */
> diff --git a/drivers/staging/r8188eu/os_dep/xmit_linux.c b/drivers/staging/r8188eu/os_dep/xmit_linux.c
> index 60e0eea7ad84..80546a886c0e 100644
> --- a/drivers/staging/r8188eu/os_dep/xmit_linux.c
> +++ b/drivers/staging/r8188eu/os_dep/xmit_linux.c
> @@ -6,7 +6,6 @@
> #include "../include/osdep_service.h"
> #include "../include/drv_types.h"
> #include "../include/if_ether.h"
> -#include "../include/ip.h"
> #include "../include/wifi.h"
> #include "../include/mlme_osdep.h"
> #include "../include/xmit_osdep.h"
>
This patch is outdated now.
regards,
Michael
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