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From: Hangbin Liu <haliu@redhat.com>
To: David Ahern <dsahern@gmail.com>
Cc: "Stephen Hemminger" <stephen@networkplumber.org>,
	netdev@vger.kernel.org, bpf@vger.kernel.org,
	"Toke Høiland-Jørgensen" <toke@redhat.com>
Subject: Re: [PATCHv3 iproute2-next 3/5] lib: add libbpf support
Date: Thu, 5 Nov 2020 15:51:21 +0800	[thread overview]
Message-ID: <20201105075121.GV2408@dhcp-12-153.nay.redhat.com> (raw)
In-Reply-To: <61a678ce-e4bc-021b-ab4e-feb90e76a66c@gmail.com>

On Wed, Nov 04, 2020 at 07:33:40PM -0700, David Ahern wrote:
> On 11/4/20 1:22 AM, Hangbin Liu wrote:
> > If we move this #ifdef HAVE_LIBBPF to bpf_legacy.c, we need to rename
> > them all. With current patch, we limit all the legacy functions in bpf_legacy
> > and doesn't mix them with libbpf.h. What do you think?
> 
> Let's rename conflicts with a prefix -- like legacy. In fact, those
> iproute2_ functions names could use the legacy_ prefix as well.
> 

Sorry, when trying to rename the functions. I just found another issue.
Even we fix the conflicts right now. What if libbpf add new functions
and we got another conflict in future? There are too much bpf functions
in bpf_legacy.c which would have more risks for naming conflicts..

With bpf_libbpf.c, there are less functions and has less risk for naming
conflicts. So I think it maybe better to not include libbpf.h in bpf_legacy.c.
What do you think?

Thanks
Hangbin


  reply	other threads:[~2020-11-05  7:51 UTC|newest]

Thread overview: 167+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-23  3:38 [PATCH iproute2-next 0/5] iproute2: add libbpf support Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-10-23 14:34   ` David Ahern
2020-10-25 15:13     ` Toke Høiland-Jørgensen
2020-10-25 22:12       ` David Ahern
2020-10-26  8:56         ` Hangbin Liu
2020-10-26 15:15           ` David Ahern
2020-10-27  2:58             ` Hangbin Liu
2020-10-24  0:21   ` Andrii Nakryiko
2020-10-25 15:11     ` Toke Høiland-Jørgensen
2020-10-26  8:10     ` Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-10-28 13:25 ` [PATCHv2 iproute2-next 0/5] iproute2: add libbpf support Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-10-28 21:17   ` [PATCHv2 iproute2-next 0/5] iproute2: add libbpf support Alexei Starovoitov
2020-10-28 23:02   ` David Ahern
2020-10-29  2:06     ` Hangbin Liu
2020-10-29  2:20       ` David Ahern
2020-10-29  2:45         ` Hangbin Liu
2020-10-29  3:00           ` David Ahern
2020-10-29  3:17             ` Hangbin Liu
2020-10-29 10:26             ` Hangbin Liu
2020-10-29 10:51               ` Toke Høiland-Jørgensen
2020-10-29  2:27       ` Andrii Nakryiko
2020-10-29  2:33         ` David Ahern
2020-10-29  2:46           ` Andrii Nakryiko
2020-10-29  2:34         ` Stephen Hemminger
2020-10-29  2:50           ` Andrii Nakryiko
2020-10-29 11:38             ` Jesper Dangaard Brouer
2020-10-29 20:30               ` Andrii Nakryiko
2020-10-29  2:33       ` Stephen Hemminger
2020-10-29 15:11   ` [PATCHv3 " Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-10-29 15:26       ` Toke Høiland-Jørgensen
2020-11-02 15:37       ` David Ahern
2020-11-03  5:54         ` Hangbin Liu
2020-11-03 17:32           ` David Ahern
2020-11-04  8:51             ` Hangbin Liu
2020-11-04 11:09               ` Toke Høiland-Jørgensen
2020-11-04 11:40                 ` Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-11-02 15:41       ` David Ahern
2020-11-03  5:48         ` Hangbin Liu
2020-11-03 17:19           ` David Ahern
2020-11-04  8:22         ` Hangbin Liu
2020-11-05  2:33           ` David Ahern
2020-11-05  7:51             ` Hangbin Liu [this message]
2020-11-05 15:25               ` David Ahern
2020-11-05 15:57                 ` Toke Høiland-Jørgensen
2020-11-05 16:02                   ` David Ahern
2020-11-06  0:56                     ` Hangbin Liu
2020-11-06  0:41                 ` Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-11-02 15:47     ` [PATCHv3 iproute2-next 0/5] iproute2: add libbpf support David Ahern
2020-11-03  6:58       ` Andrii Nakryiko
2020-11-03  8:42         ` Jiri Benc
2020-11-03 17:45           ` David Ahern
2020-11-03 17:48           ` Alexei Starovoitov
2020-11-03  8:46         ` Daniel Borkmann
2020-11-03 17:35           ` David Ahern
2020-11-03 17:47             ` Alexei Starovoitov
2020-11-03 18:23               ` Stephen Hemminger
2020-11-03 22:32               ` David Ahern
2020-11-03 22:55                 ` Alexei Starovoitov
2020-11-04  1:40                   ` David Ahern
2020-11-04  2:45                     ` Alexei Starovoitov
2020-11-04  9:28                       ` Jiri Benc
2020-11-05  2:39                         ` David Ahern
2020-11-04  2:17                   ` Hangbin Liu
2020-11-04  3:11                     ` Alexei Starovoitov
2020-11-04 10:01                       ` Jiri Benc
2020-11-04 10:21                       ` Daniel Borkmann
2020-11-04 11:20                         ` Toke Høiland-Jørgensen
2020-11-04 13:12                           ` Daniel Borkmann
2020-11-04 19:17                             ` Jakub Kicinski
2020-11-04 20:43                               ` Andrii Nakryiko
2020-11-04 22:24                                 ` Toke Høiland-Jørgensen
2020-11-05 20:14                                   ` Andrii Nakryiko
2020-11-05  3:48                                 ` David Ahern
2020-11-05 20:53                                   ` Andrii Nakryiko
2020-11-05  3:19                         ` David Ahern
2020-11-05 14:05                           ` Jamal Hadi Salim
2020-11-05 21:01                             ` Andrii Nakryiko
2020-11-06 15:27                               ` Jamal Hadi Salim
2020-11-06 21:25                                 ` Andrii Nakryiko
2020-11-10 12:47                             ` Edward Cree
2020-11-11  0:53                               ` Alexei Starovoitov
2020-11-11 11:31                                 ` Edward Cree
2020-11-11 18:08                                   ` Alexei Starovoitov
2020-11-05 20:45                           ` Andrii Nakryiko
2020-11-06  9:00                             ` Jiri Benc
2020-11-06 21:07                               ` Andrii Nakryiko
2020-11-04 21:15                       ` Edward Cree
2020-11-04 22:10                         ` Alexei Starovoitov
2020-11-04 22:35                           ` Toke Høiland-Jørgensen
2020-11-04 23:05                           ` Edward Cree
2020-11-05 20:19                             ` Andrii Nakryiko
2020-11-06  8:44                               ` Jiri Benc
2020-11-06 20:57                                 ` Andrii Nakryiko
2020-11-06 21:04                                   ` Alexei Starovoitov
2020-11-06 23:25                                     ` Stephen Hemminger
2020-11-06 23:30                                       ` Andrii Nakryiko
2020-11-07  0:41                                         ` Stephen Hemminger
2020-11-07  1:07                                           ` Andrii Nakryiko
2020-11-06 23:38                                       ` David Ahern
2020-11-09  1:45                                         ` Alexei Starovoitov
2020-11-10  4:09                                           ` David Ahern
2020-11-11  0:47                                             ` Alexei Starovoitov
2020-11-11 11:02                                               ` Toke Høiland-Jørgensen
2020-11-11 15:06                                                 ` Daniel Borkmann
2020-11-11 16:33                                                   ` David Ahern
2020-11-12 22:36                                                   ` Toke Høiland-Jørgensen
2020-11-12 23:20                                                     ` Daniel Borkmann
2020-11-13  0:04                                                       ` Stephen Hemminger
2020-11-13  0:40                                                         ` Alexei Starovoitov
2020-11-13  3:55                                                       ` David Ahern
2020-11-09  7:07     ` [PATCHv4 " Hangbin Liu
2020-11-09  7:07       ` [PATCHv4 iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-11-14  3:26         ` David Ahern
2020-11-16  4:30           ` Hangbin Liu
2020-11-16  4:33             ` David Ahern
2020-11-09  7:07       ` [PATCHv4 iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-11-14  3:24         ` David Ahern
2020-11-16  3:55           ` Hangbin Liu
2020-11-09  7:08       ` [PATCHv4 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-11-09  7:08       ` [PATCHv4 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-11-09  7:08       ` [PATCHv4 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-11-16  6:53       ` [PATCHv5 iproute2-next 0/5] iproute2: add libbpf support Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-11-16  7:19         ` [PATCHv5 iproute2-next 0/5] iproute2: add libbpf support Alexei Starovoitov
2020-11-16 14:54           ` Jesper Dangaard Brouer
2020-11-16 23:29             ` Toke Høiland-Jørgensen
2020-11-17  2:37             ` Alexei Starovoitov
2020-11-17  3:19               ` Hangbin Liu
2020-11-17 18:27                 ` Alexei Starovoitov
2020-11-17 11:56               ` Edward Cree
2020-11-17  3:38             ` David Ahern
2020-11-17 18:19               ` Alexei Starovoitov
2020-11-16 16:45           ` Stephen Hemminger
2020-11-23 13:11         ` [PATCHv6 " Hangbin Liu
2020-11-23 13:11           ` [PATCHv6 iproute2-next 1/5] iproute2: add check_libbpf() and get_libbpf_version() Hangbin Liu
2020-11-23 13:11           ` [PATCHv6 iproute2-next 2/5] lib: make ipvrf able to use libbpf and fix function name conflicts Hangbin Liu
2020-11-23 13:11           ` [PATCHv6 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-11-23 13:12           ` [PATCHv6 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-11-23 13:12           ` [PATCHv6 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-11-25  5:28           ` [PATCHv6 iproute2-next 0/5] iproute2: add libbpf support David Ahern
2020-11-25  5:30           ` patchwork-bot+netdevbpf
2020-11-29  6:16 ` [PATCH " Stephen Hemminger
2020-11-29  6:22   ` Greg KH
2020-11-30 11:39     ` Michal Kubecek
2020-11-29 17:33   ` Alexei Starovoitov
2020-11-29 19:41   ` David Ahern
2020-11-30 11:04     ` Toke Høiland-Jørgensen
2020-12-01 14:22     ` Jesper Dangaard Brouer

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