linux-kernel - [RFC PATCH bpf-next v1 0/3] Rename mono_delivery

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Date: Tue,  9 Apr 2024 14:05:44 -0700
From: Abhishek Chauhan <quic_abchauha@...cinc.com>
To: "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Andrew Halaney <ahalaney@...hat.com>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Martin KaFai Lau <martin.lau@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Daniel Borkmann <daniel@...earbox.net>, bpf <bpf@...r.kernel.org>
Cc: kernel@...cinc.com
Subject: [RFC PATCH bpf-next v1 0/3] Rename mono_delivery_time to

Patch 1 :- This patch takes care of only renaming the mono delivery
timestamp to tstamp_type with no change in functionality of 
existing available code in kernel. 

Patch 2 :- Starts assigning tstamp_type with either mono or real and 
introduces a new enum in the skbuff.h, again no change in functionality 
of the existing available code in kernel , just making the code scalable 

Patch 3 :- Additional bit was added to support userspace timestamp to 
avoid tstamp drops in the forwarding path when testing TC-ETF. 
With this patch i am not sure what impacts it has towards BPF code. 
I need upstream BPF community to help me in adding the necessary BPF 
changes to avoid any BPF test case failures. 
I haven't changed any of the BPF functionalities and hence i need 
upstream BPF help to assist me with those changes so i can make them as 
part of this patch.    


Abhishek Chauhan (3):
  net: Rename mono_delivery_time to tstamp_type for scalibilty
  net: assign enum to skb->tstamp_type to distinguish between tstamp
  net: Add additional bit to support userspace timestamp type

 include/linux/skbuff.h                     | 40 ++++++++++++++++------
 include/net/inet_frag.h                    |  4 +--
 net/bridge/netfilter/nf_conntrack_bridge.c |  6 ++--
 net/core/dev.c                             |  2 +-
 net/core/filter.c                          |  8 ++---
 net/ipv4/inet_fragment.c                   |  2 +-
 net/ipv4/ip_fragment.c                     |  2 +-
 net/ipv4/ip_output.c                       | 10 +++---
 net/ipv4/raw.c                             |  2 +-
 net/ipv4/tcp_output.c                      | 14 ++++----
 net/ipv6/ip6_output.c                      |  8 ++---
 net/ipv6/netfilter.c                       |  6 ++--
 net/ipv6/netfilter/nf_conntrack_reasm.c    |  2 +-
 net/ipv6/raw.c                             |  2 +-
 net/ipv6/reassembly.c                      |  2 +-
 net/ipv6/tcp_ipv6.c                        |  2 +-
 net/packet/af_packet.c                     |  6 ++--
 net/sched/act_bpf.c                        |  4 +--
 net/sched/cls_bpf.c                        |  4 +--
 19 files changed, 73 insertions(+), 53 deletions(-)

-- 
2.25.1