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[44.242.66.180]) by smtp.gmail.com with ESMTPSA id d1sm10751349eje.26.2021.03.16.23.26.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Mar 2021 23:26:58 -0700 (PDT) From: Bin Meng To: Jason Wang , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Peter Maydell , qemu-devel@nongnu.org Subject: [PATCH v5 02/12] net: Add a 'do_not_pad" to NetClientState Date: Wed, 17 Mar 2021 14:26:28 +0800 Message-Id: <20210317062638.72626-3-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210317062638.72626-1-bmeng.cn@gmail.com> References: <20210317062638.72626-1-bmeng.cn@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::530; envelope-from=bmeng.cn@gmail.com; helo=mail-ed1-x530.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This adds a flag in NetClientState, so that a net client can tell its peer that the packets do not need to be padded to the minimum size of an Ethernet frame (60 bytes) before sending to it. Signed-off-by: Bin Meng Reviewed-by: Philippe Mathieu-Daudé --- (no changes since v3) Changes in v3: - add a comment to 'do_not_pad' include/net/net.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/net/net.h b/include/net/net.h index a02949f6db..3559f3ca19 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -103,6 +103,7 @@ struct NetClientState { int vring_enable; int vnet_hdr_len; bool is_netdev; + bool do_not_pad; /* do not pad to the minimum ethernet frame length */ QTAILQ_HEAD(, NetFilterState) filters; }; -- 2.17.1