From nobody Sun Aug 2 04:27:31 2026 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hCRc34zqfz6n68Y for ; Sun, 02 Aug 2026 04:27:31 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hCRc334Bfz4Fbp for ; Sun, 02 Aug 2026 04:27:31 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785644851; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=m+0eR719cBD626/ZJkB4zKe1/O0eYaBHQTkYmCvRZK8=; b=XXc47ZxMyNHYsSvya4lixkn4+op0pbS70JU/+g4Lm4H+iPvpBoQpVCSA2aejCdNBFciEo7 0+93pPVuIbkc/Qcdpy1LmhpXxZy1OFe9hWfhS5pF1+7O7Bm8PdEhhrQqWRKh+gI/2jZtc5 zk74ugUZxe6M3c29cWkKUGV6r+lT0dLDcvNA9ks+QCud1ROfRfPI81+AVRo76TcxdzLoQB UfA8EZYRUuZJrjOHXAOHPOPkpdxYPRBdpa/hZX8Bv38ZvyQCeP4MqjMw7jpqt/RC0DYR6M EFG5t4eItKU9raYytzP7dtZd1PRDa54fuflgchDjfSB3WSzGjIykRfFxo8Nstw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1785644851; a=rsa-sha256; cv=none; b=cBIzjzIvgFhBng76Uy6XEAKcsgWCJwMTIU5VtZO112kVrl/2smwS/FqDlU7MIOO+OfJC2r b9QnD4OJFBAzk1oFombI03mITNoP2u8cp3+mbThvW+/YoLuNbaty0QzvIwQRvMm+kqgbgr bMMY5b10qVA7enip/fBeYP6EEYSeFhEtGkzt2QBl9aT2XhDQl9s8yHN+TVtqHwf88kUaTW zYB4/1J3ula2BCPGpmD3u2CKcnKTex5BrMgIZboZA2YK8nNYjOpK8Ik3ndM94nM1Wy4KhR 7GknLJxgWlUE/dzA+wo34ar77m7sRi2thKqEARD3WykXdaxaJZa/MwTPwjoI/w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785644851; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=m+0eR719cBD626/ZJkB4zKe1/O0eYaBHQTkYmCvRZK8=; b=UUVGIiDBq3rAFwB4CpcGfNX7vhQuPORwryneFcX4SH5GJuQFdOdcNq8NKBUGaB2pxKUv52 WVWqiTv3mE/DlRc4/Ezr8cJQD8FyObfOzhtuoyNTu8c5A6cF4UUSUtrPC/ZyD7KRTVH9fc NWH9udozcMI0bt2wgho0gg2SWkKSBqnIwSkfnErYj0Cj70ls9qw9yU8JDa57ik/1gu3Pvb izyUXLGatgGxSho29Kxf2VyNyfEtDo649q+EsiivWbvDKHtXJ/4g/dzC08Dvb3gF6ni1Na bswdFLDlcf17LMXulLwZ7ksuObnhrqXMvk03afEnuWxORzuPr7uc946aPBiSQw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hCRc31lV8z1D6c for ; Sun, 02 Aug 2026 04:27:31 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3c6c4 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Sun, 02 Aug 2026 04:27:31 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Kevin Bowling Subject: git: a0f27dcaf9a1 - stable/14 - ixl: Increase tx/rx ring size to 8160 List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kbowling X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: a0f27dcaf9a14c9c6ebbde41e0b82a481b87e77d Auto-Submitted: auto-generated Date: Sun, 02 Aug 2026 04:27:31 +0000 Message-Id: <6a6ec733.3c6c4.57d42ac5@gitrepo.freebsd.org> The branch stable/14 has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=a0f27dcaf9a14c9c6ebbde41e0b82a481b87e77d commit a0f27dcaf9a14c9c6ebbde41e0b82a481b87e77d Author: Kevin Bowling AuthorDate: 2024-09-19 05:30:24 +0000 Commit: Kevin Bowling CommitDate: 2026-08-02 04:24:15 +0000 ixl: Increase tx/rx ring size to 8160 I've verified the tx queue (table 8-22) in addition. DPDK commit message net/i40e: increase max descriptor queue length According to the Intel X710/XXV710/XL710 Datasheet, the maximum receive queue descriptor length is 0x1FE0 (8160 in base 10). This is specified as QLEN in table 8-12, page 1083. I've tested this change with an XXV710 NIC and it has positive effect on performance under high load scenarios. Where previously I'd get ~2000 packets/sec miss rate, now I get only ~40 packets/sec miss rate. Signed-off-by: Igor Gutorov Acked-by: Morten Brørup Acked-by: Bruce Richardson Obtained from: DPDK (ce9470f) (cherry picked from commit 14561f1eda85fabfba2d764ca11e064ed871224e) --- sys/dev/ixl/ixl.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/dev/ixl/ixl.h b/sys/dev/ixl/ixl.h index 69925a131b35..b5c0fb2b72f7 100644 --- a/sys/dev/ixl/ixl.h +++ b/sys/dev/ixl/ixl.h @@ -122,7 +122,7 @@ * The driver currently always uses 32 byte Rx descriptors. */ #define IXL_DEFAULT_RING 1024 -#define IXL_MAX_RING 4096 +#define IXL_MAX_RING 8160 #define IXL_MIN_RING 64 #define IXL_RING_INCREMENT 32