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Mon, 21 Sep 2026 13:34:12 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id Ew7UMVQysWojBwAAD6G6ig (envelope-from ); Mon, 21 Sep 2026 13:34:12 +0000 Message-ID: <7054e555-258d-459f-97e0-4ffe99b8d4f9@suse.de> Date: Mon, 21 Sep 2026 15:34:11 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 3/4] nvmet-tcp: support IPv6 traffic class To: Geliang Tang , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni , David Ahern , Ido Schimmel , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Stanislav Fomichev Cc: Geliang Tang , linux-nvme@lists.infradead.org, netdev@vger.kernel.org, mptcp@lists.linux.dev References: <7d09c3211dfa76d536c7a30505cea6da626ee5e6.1786841319.git.tanggeliang@kylinos.cn> Content-Language: en-US From: Hannes Reinecke In-Reply-To: <7d09c3211dfa76d536c7a30505cea6da626ee5e6.1786841319.git.tanggeliang@kylinos.cn> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Level: X-Spam-Score: -4.30 X-Spam-Flag: NO X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.996]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_TWELVE(0.00)[18]; MIME_TRACE(0.00)[0:+]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLhpsi56b8wki6rd8p6oz1itgg)]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,suse.de:mid,imap1.dmz-prg2.suse.org:helo,kylinos.cn:email] On 8/16/26 2:59 AM, Geliang Tang wrote: > From: Geliang Tang > > Currently, nvmet-tcp only applies the received IPv4 TOS value when setting > up a queue socket, but does not handle the IPv6 traffic class. > > Extend the queue socket setup to handle AF_INET6 sockets. Obtain the > traffic class from the IPv6 socket's rcv_flowinfo and apply it through > IPV6_TCLASS using do_sock_setsockopt(). > > Signed-off-by: Geliang Tang > --- > drivers/nvme/target/tcp.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich