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[82.132.230.8]) by smtp.gmail.com with ESMTPSA id z11-20020a7bc14b000000b0039419dfbb39sm7547wmi.33.2022.04.28.03.57.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Apr 2022 03:57:23 -0700 (PDT) From: Pavel Begunkov To: netdev@vger.kernel.org, "David S . Miller" , Jakub Kicinski Cc: David Ahern , Eric Dumazet , linux-kernel@vger.kernel.org, Pavel Begunkov Subject: [PATCH net-next 00/11] UDP/IPv6 refactoring Date: Thu, 28 Apr 2022 11:56:31 +0100 Message-Id: X-Mailer: git-send-email 2.36.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Refactor UDP/IPv6 and especially udpv6_sendmsg() paths. The end result looks cleaner than it was before and the series also removes a bunch of instructions and other overhead from the hot path positively affecting performance. It was a part of a larger series, there were some perf numbers for it, see https://lore.kernel.org/netdev/cover.1648981570.git.asml.silence@gmail.com/ Pavel Begunkov (11): ipv6: optimise ipcm6 cookie init udp/ipv6: refactor udpv6_sendmsg udplite checks udp/ipv6: move pending section of udpv6_sendmsg udp/ipv6: prioritise the ip6 path over ip4 checks udp/ipv6: optimise udpv6_sendmsg() daddr checks udp/ipv6: optimise out daddr reassignment udp/ipv6: clean up udpv6_sendmsg's saddr init ipv6: partially inline fl6_update_dst() ipv6: refactor opts push in __ip6_make_skb() ipv6: improve opt-less __ip6_make_skb() ipv6: clean up ip6_setup_cork include/net/ipv6.h | 24 +++---- net/ipv6/datagram.c | 4 +- net/ipv6/exthdrs.c | 15 ++-- net/ipv6/ip6_output.c | 53 +++++++------- net/ipv6/raw.c | 8 +-- net/ipv6/udp.c | 158 ++++++++++++++++++++---------------------- net/l2tp/l2tp_ip6.c | 8 +-- 7 files changed, 122 insertions(+), 148 deletions(-) -- 2.36.0