From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8208E45857; Sat, 24 Aug 2024 20:07:22 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0EA124025A; Sat, 24 Aug 2024 20:07:22 +0200 (CEST) Received: from mail-pf1-f180.google.com (mail-pf1-f180.google.com [209.85.210.180]) by mails.dpdk.org (Postfix) with ESMTP id 9CA9D4014F for ; Sat, 24 Aug 2024 20:07:21 +0200 (CEST) Received: by mail-pf1-f180.google.com with SMTP id d2e1a72fcca58-71433096e89so2636145b3a.3 for ; Sat, 24 Aug 2024 11:07:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1724522840; x=1725127640; darn=dpdk.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=96S+TQNza6oav88tElG5A7Eb6BO6TGzTUHQqS0OEqFQ=; b=0JbzxUiW/ZBgassX7g+bjB/qxRyN/GZR7qFbPENnG8LRzqO4tgWTWDlzK06F7B4c4T G3TioybJzDqb26WaWa09T1jQqXr7iINRTgUYQpI87yjoLYsPQd5m6PUppXSIMQD+Dk9u IFJXUpxXB76WFyv+Qgto3ZUE9/J8EPCu2DJzcvz74Vej4avw1ejZY2ce+nl3L/S1enmd k+zTVyxek9PWfGIxIBK69ERJfuiE9jdfp8HAqJvZd7xfECIqqgj2T03UoPm3Sx3rz6xz mwJPe6KHrPRkzqEYmUj766T6nna2JgvRdDRGzksLOAnQrP7KCCUgjCW4F74UTrYVNpdS Ru1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724522840; x=1725127640; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=96S+TQNza6oav88tElG5A7Eb6BO6TGzTUHQqS0OEqFQ=; b=TA4H/EMeKzVM6Lw+SdFe9Bv9VJC8Rie+ikxUYFXDdlIgbJyUj9PCehM66MXG+VBUCD 1TmdNNKLBmOhIdZeotKsHVc5pSGSmKsOGSdYGsXp2Ki6wLeLzOXWujmhLH3ikCq13CcG HLsODVlFMjeQaJ16611n+HpT+/LDD2jSUkZQX8cteY/o+qbA+UZaKcXHTAKwH1kqwcms qCXEH4NwfCQKePSCNt/7j0aLV434Ya/ZSwscpT4mOpULQCheOOpQzjhi/SelScduVIS+ X3+vgsLEHVs4fe6EPX+LY9Nz1w7zYSBnrgouGr9J09qRvLsCSNM5O/RGT9Z/IGjHamt/ 65mg== X-Gm-Message-State: AOJu0YzlWGC881CiBPq76WC3wTU3vl8DUgOE2vmTqE8WcDmW/zTF9zPX Yd1XNzdL7x1TmLo/C1vpHn0lkkF1HIMefpC9duFMxn+bnbAmHqKbEQ1USXVZFUoOUr0z4j+16ib 7Dnc= X-Google-Smtp-Source: AGHT+IFeMbbnY9ejU+9WCWWffyMAWDqn91ZCVTCXfG8gpCAnuBxO37t4fS2r5qQk2z6JMLFub+WpEQ== X-Received: by 2002:a05:6a00:858b:b0:714:1d76:d7d1 with SMTP id d2e1a72fcca58-714458049admr5984937b3a.17.1724522840208; Sat, 24 Aug 2024 11:07:20 -0700 (PDT) Received: from hermes.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71434231152sm4934518b3a.18.2024.08.24.11.07.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Aug 2024 11:07:19 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Ofer Dagan Subject: [PATCH] net/pcap: set live interface as non-blocking Date: Sat, 24 Aug 2024 11:07:10 -0700 Message-ID: <20240824180717.14293-1-stephen@networkplumber.org> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org The DPDK PMD's are supposed to be non-blocking and poll for packets. Configure PCAP to do this on live interface. Bugzilla ID: 1526 Reported-by: Ofer Dagan Signed-off-by: Stephen Hemminger --- drivers/net/pcap/pcap_ethdev.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/pcap/pcap_ethdev.c b/drivers/net/pcap/pcap_ethdev.c index bfec085045..c4e6c93d4a 100644 --- a/drivers/net/pcap/pcap_ethdev.c +++ b/drivers/net/pcap/pcap_ethdev.c @@ -522,6 +522,12 @@ open_iface_live(const char *iface, pcap_t **pcap) { return -1; } + if (pcap_setnonblock(*pcap, 1, errbuf)) { + PMD_LOG(ERR, "Couldn't set non-blocking on %s: %s", iface, errbuf); + pcap_close(*pcap); + return -1; + } + return 0; } -- 2.43.0