On Mon, Feb 25, 2019 at 11:24 AM Nazarov Sergey <s-naza...@yandex.ru> wrote:
>
> Add __icmp_send function having ip_options struct parameter
>
> Signed-off-by: Sergey Nazarov <s-naza...@yandex.ru>
> ---
> include/net/icmp.h | 9 ++++++++-
> net/ipv4/icmp.c | 7 ++++---
> 2 files changed, 12 insertions(+), 4 deletions(-)
Reviewed-by: Paul Moore <p...@paul-moore.com>
> diff --git a/include/net/icmp.h b/include/net/icmp.h
> index 6ac3a5b..e0f709d 100644
> --- a/include/net/icmp.h
> +++ b/include/net/icmp.h
> @@ -22,6 +22,7 @@
>
> #include <net/inet_sock.h>
> #include <net/snmp.h>
> +#include <net/ip.h>
>
> struct icmp_err {
> int errno;
> @@ -39,7 +40,13 @@ struct icmp_err {
> struct sk_buff;
> struct net;
>
> -void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
> +void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
> + const struct ip_options *opt);
> +static inline void icmp_send(struct sk_buff *skb_in, int type, int code,
> __be32 info)
> +{
> + __icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt);
> +}
> +
> int icmp_rcv(struct sk_buff *skb);
> int icmp_err(struct sk_buff *skb, u32 info);
> int icmp_init(void);
> diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
> index 065997f..3f24414 100644
> --- a/net/ipv4/icmp.c
> +++ b/net/ipv4/icmp.c
> @@ -570,7 +570,8 @@ static void icmp_reply(struct icmp_bxm *icmp_param,
> struct sk_buff *skb)
> * MUST reply to only the first fragment.
> */
>
> -void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
> +void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
> + const struct ip_options *opt)
> {
> struct iphdr *iph;
> int room;
> @@ -691,7 +692,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int
> code, __be32 info)
> iph->tos;
> mark = IP4_REPLY_MARK(net, skb_in->mark);
>
> - if (ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in))
> + if (__ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in,
> opt))
> goto out_unlock;
>
>
> @@ -742,7 +743,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int
> code, __be32 info)
> local_bh_enable();
> out:;
> }
> -EXPORT_SYMBOL(icmp_send);
> +EXPORT_SYMBOL(__icmp_send);
>
>
> static void icmp_socket_deliver(struct sk_buff *skb, u32 info)
> ---
>
--
paul moore
www.paul-moore.com
