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On Tue, Feb 2, 2021 at 2:56 PM Leon Romanovsky <leon@xxxxxxxxxx> wrote:
>
> From: Leon Romanovsky <leonro@xxxxxxxxxx>
>
> Fir the following compilation warnings:
> 1031 | INDIRECT_CALLABLE_SCOPE void udp_v6_early_demux(struct sk_buff *skb)
>
> net/ipv6/ip6_offload.c:182:41: warning: no previous prototype for
> ‘ipv6_gro_receive’ [-Wmissing-prototypes]
> 182 | INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct
> list_head *head,
> | ^~~~~~~~~~~~~~~~
> net/ipv6/ip6_offload.c:320:29: warning: no previous prototype for
> ‘ipv6_gro_complete’ [-Wmissing-prototypes]
> 320 | INDIRECT_CALLABLE_SCOPE int ipv6_gro_complete(struct sk_buff *skb,
> int nhoff)
> | ^~~~~~~~~~~~~~~~~
> net/ipv6/ip6_offload.c:182:41: warning: no previous prototype for
> ‘ipv6_gro_receive’ [-Wmissing-prototypes]
> 182 | INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct
> list_head *head,
> | ^~~~~~~~~~~~~~~~
> net/ipv6/ip6_offload.c:320:29: warning: no previous prototype for
> ‘ipv6_gro_complete’ [-Wmissing-prototypes]
> 320 | INDIRECT_CALLABLE_SCOPE int ipv6_gro_complete(struct sk_buff *skb,
> int nhoff)
>
> Fixes: aaa5d90b395a ("net: use indirect call wrappers at GRO network layer")
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
> ---
> include/net/ipv6.h | 3 +++
> net/core/dev.c | 4 +---
> 2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/include/net/ipv6.h b/include/net/ipv6.h
> index bd1f396cc9c7..68676e6bd4b1 100644
> --- a/include/net/ipv6.h
> +++ b/include/net/ipv6.h
> @@ -1265,4 +1265,7 @@ static inline void ip6_sock_set_recvpktinfo(struct sock
> *sk)
> release_sock(sk);
> }
>
> +INDIRECT_CALLABLE_DECLARE(struct sk_buff *ipv6_gro_receive(struct list_head
> *,
> + struct sk_buff *));
> +INDIRECT_CALLABLE_DECLARE(int ipv6_gro_complete(struct sk_buff *, int));
I think we should move this to a new include file.
These declarations were static, and had to be made public only because
of DIRECT call stuff,
which is an implementation detail.
Polluting include/net/ipv6.h seems not appropriate.
> #endif /* _NET_IPV6_H */
> diff --git a/net/core/dev.c b/net/core/dev.c
> index c360bb5367e2..9a3d8768524b 100644
> --- a/net/core/dev.c
> +++ b/net/core/dev.c
> @@ -101,6 +101,7 @@
> #include <net/dsa.h>
> #include <net/dst.h>
> #include <net/dst_metadata.h>
> +#include <net/ipv6.h>
> #include <net/pkt_sched.h>
> #include <net/pkt_cls.h>
> #include <net/checksum.h>
> @@ -5743,7 +5744,6 @@ static void gro_normal_one(struct napi_struct *napi,
> struct sk_buff *skb)
> }
>
> INDIRECT_CALLABLE_DECLARE(int inet_gro_complete(struct sk_buff *, int));
This is odd.
You move ipv6_gro_complete() but not inet_gro_complete()
I think we should be consistent.
> -INDIRECT_CALLABLE_DECLARE(int ipv6_gro_complete(struct sk_buff *, int));
> static int napi_gro_complete(struct napi_struct *napi, struct sk_buff *skb)
> {
> struct packet_offload *ptype;
> @@ -5914,8 +5914,6 @@ static void gro_flush_oldest(struct napi_struct *napi,
> struct list_head *head)
>
> INDIRECT_CALLABLE_DECLARE(struct sk_buff *inet_gro_receive(struct list_head
> *,
> struct sk_buff *));
> -INDIRECT_CALLABLE_DECLARE(struct sk_buff *ipv6_gro_receive(struct list_head
> *,
> - struct sk_buff *));
> static enum gro_result dev_gro_receive(struct napi_struct *napi, struct
> sk_buff *skb)
> {
> u32 hash = skb_get_hash_raw(skb) & (GRO_HASH_BUCKETS - 1);
> --
> 2.29.2
>
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