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[44.242.66.180]) by smtp.gmail.com with ESMTPSA id i6sm16614865ejz.95.2021.03.03.01.22.13 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Mar 2021 01:22:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=AxfVTl/O/O7xm6Fzak9sqeNRKzbxNKHXeCTAnBNykLo=; b=m9FgBYjM0Tddk9H2igLIpVfwI9GQxkNqLsTzB1DrG4ruN1MejeAM940N8Wfw/cw/qV js4jUvm/1C8LzP7Tkaxl8+vCDxVAfbTnVOlPKUYxo54KYPDpAP3YvOTsTvty8h8BZF5R 2n0Lc5wVkAKpaF6D+MR+KgZ6HMfalAs38lNAzpWGtWfnTjec8K/3Cr5mjnE3ncrFKeS7 FO5mcTez1rrTiQ/MjRPqiE2YLDimF278RivrpRWZj9gRQHL+UnvXl+Es04qgJ2AnZgXh 5Md11knD2fUTP6Rc1cXupnWl/FNXYomT8ZGIdQREo4v0FAUd802lrFMwuh+Jk0vJ6N7m tODw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=AxfVTl/O/O7xm6Fzak9sqeNRKzbxNKHXeCTAnBNykLo=; b=kqXojR8PM1v1ntHGzoJh7o/M/nyhY4xvDfZnASysW8XN86wVZuuiFYIWRrOD3nZ9CQ 5WG3edvLXBSBRXPqkpj+YnWCMWdfYWlvXU+MbLVf4VjUcfLq39Uw9jxAChgDOnxfXyox Tgs4RjLT9xblU34raP0MZOUEoE2OtA+L0b+DBVFqg0iBvuGfFF0RD8oMlUMraulcmJ8S rrWUXi2TOgUs9HRHWUHdug7MezBOCFWEuJXKccVuQvvDQ9JNg2NP/NBf6VtqHLThwgwt Ml18uvkjP0Wp8XHGsc/i4oLkES2Uq32HKiIPsZVN227vttUone6xb20K5Owf7Q+OMD09 MuMg== X-Gm-Message-State: AOAM531MGhz7boZFiyOAduCWAYzvsgIBj+m4InSA/2kBhlMopRfknl4K nGRa+JPJE/8cEgj1mTVKcywo+Wm+rCw= X-Google-Smtp-Source: ABdhPJxBAKIK2y1f5GMaFxAHnsvXlUiliua0e0fQlI0F3+sJ8kO2GN1pqW9mySlyMfE4sWa76KbQ5Q== X-Received: by 2002:a17:906:4349:: with SMTP id z9mr25096924ejm.471.1614763337014; Wed, 03 Mar 2021 01:22:17 -0800 (PST) From: Bin Meng To: Jason Wang , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Peter Maydell , qemu-devel@nongnu.org Subject: [RFC PATCH v2 5/9] hw/net: ne2000: Remove the logic of padding short frames in the receive path Date: Wed, 3 Mar 2021 17:21:42 +0800 Message-Id: <1614763306-18026-6-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614763306-18026-1-git-send-email-bmeng.cn@gmail.com> References: <1614763306-18026-1-git-send-email-bmeng.cn@gmail.com> Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::634; envelope-from=bmeng.cn@gmail.com; helo=mail-ej1-x634.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: , Cc: Bin Meng Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Bin Meng Now that we have implemented unified short frames padding in the QEMU networking codes, remove the same logic in the NIC codes. Signed-off-by: Bin Meng --- (no changes since v1) hw/net/ne2000.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c index 6c17ee1..b0a120e 100644 --- a/hw/net/ne2000.c +++ b/hw/net/ne2000.c @@ -167,15 +167,12 @@ static int ne2000_buffer_full(NE2000State *s) return 0; } =20 -#define MIN_BUF_SIZE 60 - ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size= _) { NE2000State *s =3D qemu_get_nic_opaque(nc); size_t size =3D size_; uint8_t *p; unsigned int total_len, next, avail, len, index, mcast_idx; - uint8_t buf1[60]; static const uint8_t broadcast_macaddr[6] =3D { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; =20 @@ -213,15 +210,6 @@ ssize_t ne2000_receive(NetClientState *nc, const uint8= _t *buf, size_t size_) } } =20 - - /* if too small buffer, then expand it */ - if (size < MIN_BUF_SIZE) { - memcpy(buf1, buf, size); - memset(buf1 + size, 0, MIN_BUF_SIZE - size); - buf =3D buf1; - size =3D MIN_BUF_SIZE; - } - index =3D s->curpag << 8; if (index >=3D NE2000_PMEM_END) { index =3D s->start; --=20 2.7.4