From nobody Mon Mar 16 08:59:12 2026 X-Original-To: dev-commits-src-all@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 4fZ8Cn4sspz6V4Hk for ; Mon, 16 Mar 2026 08:59:17 +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 "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fZ8Cn3wcFz48B2 for ; Mon, 16 Mar 2026 08:59:17 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1773651557; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=FsWF0AgCzZymoICJekb/rWwybeTtCMIXsxhVROYnuOg=; b=Z6ztPLTyPHX6y35bLrXdaX0nzVTWM+AYNBZY0q/Eg7wE1ddWzVPJ4tC1VcxahAUWR6KMMJ nWufSRMCtCcNnW2+2r68bz1xB/ZZ0NdDRHXAJ8lI2FvhYqod7z3V8rQ+1C7vudF/NA1Mn4 Q+CLY0TwLij3fcOqIAVp+usx3dAao3QVU49j58TbK9sCduNi6kRCc54HIKy04UeoiuuWwF HYad4C/siRXLLmMrANL5WDmj4qlhxG63e4Hkwzy2s9QLbWx2zd32lH+y4iZjJeBD8IHNa6 LWCdSsFPX3OonS3QdMb+0Bhp+p7SFKcq42lMMlq7V0rCPiPOvVKO59ANgD5raw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1773651557; a=rsa-sha256; cv=none; b=wmahs9YGslgPMRPBm8SzBB1iXMxXg2+kcBItPjAC3hri/GbUwJ8OzS806OkOJVfFUnFSup qHEN4u/G2b7rtmhqnK/dfQNQ5O61Jo31SnREP9efLH04ieku4cYaPjN8STqpJQrM0IeaNU chVa8cvTpzFd8H2vgVvALvONRRy/ubHZ6pGtxbXZVwqK49EQJWXpwKUpVM6az5o+u/aWKL kiHOY8LPx08k+tCGY5Ab67N9y50FVmq99owSQWndep/UA6Ilzzsk6dDC92pvAaFsKyFh+O 9V/FjTbsemD4xw5tAdiSQ2W7eBGP0MWdFMeN9xf5plkhdvf2gOIhY4JSWw0n8w== 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=1773651557; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=FsWF0AgCzZymoICJekb/rWwybeTtCMIXsxhVROYnuOg=; b=eSKcc+VsUDweXPqCHsolzWdPPYVq7R+X2FLLaNYtDNilNTE/JSlMmXBFbwUEEY0XJexLbK R4qHoyUd3Img4TXdhXGcmntlB7TNowOI/RgZ6Cn9e5ezsgyuuYkcHS5mJTpPhHVh5K06VS LE5TfHSPquKA+P17HzmOhA5X9+vLVJ1pydQkaqaD/VHNizAXz2Up676OhgwQi9VIF+QDDX ojKvAZff5XezO1B+Grx6mPTxvQAmZvof7bSxQ8uUG4jf25veYoi+g4kzZgmkz1YdrafBnO UQWXPGyl5cwEwjcKz7MqS9euVkKzE2xlUhCN5030Z64WrOp+OFfX8Ef1VDsIAA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fZ8Cn3Dr1zD1Q for ; Mon, 16 Mar 2026 08:59:17 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 45310 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 16 Mar 2026 08:59:12 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: bigJ From: Pouria Mousavizadeh Tehrani Subject: git: 283ef95d1677 - main - rss_config: Add option to enable rss udp hashing List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: pouria X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 283ef95d1677b873903f8b8fa077fbfa3a5e0036 Auto-Submitted: auto-generated Date: Mon, 16 Mar 2026 08:59:12 +0000 Message-Id: <69b7c660.45310.5f796e96@gitrepo.freebsd.org> The branch main has been updated by pouria: URL: https://cgit.FreeBSD.org/src/commit/?id=283ef95d1677b873903f8b8fa077fbfa3a5e0036 commit 283ef95d1677b873903f8b8fa077fbfa3a5e0036 Author: bigJ AuthorDate: 2026-03-01 20:14:49 +0000 Commit: Pouria Mousavizadeh Tehrani CommitDate: 2026-03-16 08:52:35 +0000 rss_config: Add option to enable rss udp hashing Added optional system tunable parameter to enable 4-tuple rss udp hashing. Signed-off-by: bigJ Reviewed by: adrian, pouria Pull Request: https://github.com/freebsd/freebsd-src/pull/2057 --- sys/net/rss_config.c | 34 ++++++++++++++++++++++------------ 1 file changed, 22 insertions(+), 12 deletions(-) diff --git a/sys/net/rss_config.c b/sys/net/rss_config.c index 5be5aecd15d9..9b805085d5ce 100644 --- a/sys/net/rss_config.c +++ b/sys/net/rss_config.c @@ -150,6 +150,11 @@ int rss_debug = 0; SYSCTL_INT(_net_inet_rss, OID_AUTO, debug, CTLFLAG_RWTUN, &rss_debug, 0, "RSS debug level"); +static u_int rss_udp_4tuple = 0; +SYSCTL_INT(_net_inet_rss, OID_AUTO, udp_4tuple, CTLFLAG_RDTUN, + &rss_udp_4tuple, 0, + "Enable UDP 4-tuple RSS hashing (src/dst IP + src/dst port)"); + /* * RSS secret key, intended to prevent attacks on load-balancing. Its * effectiveness may be limited by algorithm choice and available entropy @@ -488,19 +493,24 @@ rss_gethashconfig(void) * So for now disable UDP 4-tuple hashing until all of the other * pieces are in place. */ - return ( + u_int config; + + config = RSS_HASHTYPE_RSS_IPV4 - | RSS_HASHTYPE_RSS_TCP_IPV4 - | RSS_HASHTYPE_RSS_IPV6 - | RSS_HASHTYPE_RSS_TCP_IPV6 - | RSS_HASHTYPE_RSS_IPV6_EX - | RSS_HASHTYPE_RSS_TCP_IPV6_EX -#if 0 - | RSS_HASHTYPE_RSS_UDP_IPV4 - | RSS_HASHTYPE_RSS_UDP_IPV6 - | RSS_HASHTYPE_RSS_UDP_IPV6_EX -#endif - ); + | RSS_HASHTYPE_RSS_TCP_IPV4 + | RSS_HASHTYPE_RSS_IPV6 + | RSS_HASHTYPE_RSS_TCP_IPV6 + | RSS_HASHTYPE_RSS_IPV6_EX + | RSS_HASHTYPE_RSS_TCP_IPV6_EX; + + if (rss_udp_4tuple) { + config |= + RSS_HASHTYPE_RSS_UDP_IPV4 + | RSS_HASHTYPE_RSS_UDP_IPV6 + | RSS_HASHTYPE_RSS_UDP_IPV6_EX; + } + + return (config); } /*