netdev - Re: [PATCH net-next] inet: introduce dst

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Date: Mon, 29 Apr 2024 12:51:40 -0600
From: David Ahern <dsahern@...nel.org>
To: Eric Dumazet <edumazet@...gle.com>, "David S . Miller"
 <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net-next] inet: introduce dst_rtable() helper

On 4/29/24 7:30 AM, Eric Dumazet wrote:
> I added dst_rt6_info() in commit
> e8dfd42c17fa ("ipv6: introduce dst_rt6_info() helper")
> 
> This patch does a similar change for IPv4.
> 
> Instead of (struct rtable *)dst casts, we can use :
> 
>  #define dst_rtable(_ptr) \
>              container_of_const(_ptr, struct rtable, dst)
> 
> Patch is smaller than IPv6 one, because IPv4 has skb_rtable() helper.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> ---
>  drivers/infiniband/core/addr.c   | 12 +++---------
>  drivers/net/vrf.c                |  2 +-
>  drivers/s390/net/qeth_core.h     |  5 ++---
>  include/linux/skbuff.h           |  9 ---------
>  include/net/ip.h                 |  4 ++--
>  include/net/route.h              | 11 +++++++++++
>  net/atm/clip.c                   |  2 +-
>  net/core/dst_cache.c             |  2 +-
>  net/core/filter.c                |  3 +--
>  net/ipv4/af_inet.c               |  2 +-
>  net/ipv4/icmp.c                  | 26 ++++++++++++++------------
>  net/ipv4/ip_input.c              |  2 +-
>  net/ipv4/ip_output.c             |  8 ++++----
>  net/ipv4/route.c                 | 24 +++++++++++-------------
>  net/ipv4/udp.c                   |  2 +-
>  net/ipv4/xfrm4_policy.c          |  2 +-
>  net/l2tp/l2tp_ip.c               |  2 +-
>  net/mpls/mpls_iptunnel.c         |  2 +-
>  net/netfilter/ipvs/ip_vs_xmit.c  |  2 +-
>  net/netfilter/nf_flow_table_ip.c |  4 ++--
>  net/netfilter/nft_rt.c           |  2 +-
>  net/sctp/protocol.c              |  4 ++--
>  net/tipc/udp_media.c             |  2 +-
>  23 files changed, 64 insertions(+), 70 deletions(-)
> 

Reviewed-by: David Ahern <dsahern@...nel.org>