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[2a01:cb08:8949:7e00:4325:bddd:753d:2e35]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49233be5901sm10431785e9.1.2026.06.16.15.06.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jun 2026 15:06:11 -0700 (PDT) Date: Wed, 17 Jun 2026 00:06:09 +0200 From: Paul Chaignon To: Jordan Rife Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Stanislav Fomichev Subject: Re: [PATCH v1 bpf-next 0/2] bpf: bpf_redirect_peer egress redirection Message-ID: References: <20260613183424.1198073-1-jordan@jrife.io> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Jun 16, 2026 at 01:49:26PM -0700, Jordan Rife wrote: > > IMO, calling it BPF_F_EGRESS would be less confusing. It's a shame we > > can't have the same flag API between bpf_redirect() and > > bpf_redirect_peer(), but this is creating inconsistent semantics for > > the terms egress/ingress across the two helpers. > > Yeah, one annoying thing about BPF_F_EGRESS is that it would only > apply to bpf_redirect_peer, so you still have inconsistencies across Yes, that's what I meant by "we can't have the same flag API" :) Alternatively, we could define BPF_F_EGRESS as 1ULL << 1, for both helpers, but I'm not sure it's worth it. Maybe Daniel will have another idea? > helpers. Perhaps this is less weird than having BPF_F_INGRESS perform > an egress redirection though. > > Jordan