From nobody Sun Oct 19 23:51:03 2025 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 4cqb133WFHz6Cmrj; Sun, 19 Oct 2025 23:51:03 +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" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cqb131p53z3lPd; Sun, 19 Oct 2025 23:51:03 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1760917863; 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=S0UBiRsPuGaH68DCn5TM5cBP76IxXUdaG2u6JElpqro=; b=uMPQCzevCPsbinWycEK3xsqNWyP5CCflKoAWW0J6F2kzh9KcQHRcuFj0SAi5DQOUhIz9eJ Lz2KJgnA2HIDYTMztzijr1zDhw6urRSQFKuQHsk0rgoIK6CVJe7zh99aEmSyPKzWyuRHLU YaztfNGrmCAIkf+5I6L5/XaeHSkdD/wIA7U/S+K3VFmxXBIipSVY6k5aWhcILQhCIT5cn5 T+YHvozZYImGMiz0rH9mXIcn4/7DiLUgeJW59YDjW/PCWrYlOgAg4LietmTWSHjrfBaT7R ioC3TwPd0prqql2Tnn6ah9/BvelIvdhr3FAd7ua8fY2VG9bp72RYeqI3Jz3bIQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1760917863; 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=S0UBiRsPuGaH68DCn5TM5cBP76IxXUdaG2u6JElpqro=; b=XmfEyZtw6CE+HNMbdAmLjfS+4caE9CPiMwZwoW0VFIf5fFdtHXMW4HKETI3lP2WG26Z8Ao NIr61kskoqcNAoV3bqIB7zCNxBZRVHoVmGl9LLIKEvPIW5OfIYyupSjXzDNbzoKCQkLwd5 VXo7ZDOP5JpQUndN8oM0V/+UiRdn+5m951QKucEWAqLKU4MX/8ah8bfjQSgg8VGXhF0m5Z RAq2tnM5uOPYc3zYvR+K3foxZn1gLHhDovne3wZ/r0hxC/Z8d5Ol99/eIsbkbUkve7HWP7 2AqY27O7hnBKrgUHY2gi+cwQzVhK2WAnhlh/XwtDHvzJeVSdpOopc7dpiPGxvA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1760917863; a=rsa-sha256; cv=none; b=bdHtiDsBw0ZYYOgx/h1Oo8EDRk6z1EJQYlW0iAQVXv8WZosaQhYgrHnsNtViI+wqXhnGdG vLGQ9QNuwJ7dPVDCLSGCvEYjHZRle4zEP83DHhJjTImq5JGBinH7ozEuLnzYdBpe2Yhwxf iAc0L5UgN+Ywvw/9qZ/xweV4Os43k/I1ByIqJj8EhexKJn3Pkgu3HFuw+EfqBpW2UVXCfk PYNdW/WN0LetLUFrBc88LHle4tW9iyErlDM7NqepVT7iNSNCAec3+/lOYXxrojGPFQ+PI6 YeZfQUd0hCxOnapvhpkTk80FbfTdBKEc0PqiKjlBvd/u8WvRreBc30cyeM0yBg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4cqb131MGvzpxP; Sun, 19 Oct 2025 23:51:03 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 59JNp3IO084491; Sun, 19 Oct 2025 23:51:03 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 59JNp348084488; Sun, 19 Oct 2025 23:51:03 GMT (envelope-from git) Date: Sun, 19 Oct 2025 23:51:03 GMT Message-Id: <202510192351.59JNp348084488@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Colin Percival Subject: git: aa2f726e9ff1 - releng/15.0 - socket: bump socket buffer limit to 8MB 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: cperciva X-Git-Repository: src X-Git-Refname: refs/heads/releng/15.0 X-Git-Reftype: branch X-Git-Commit: aa2f726e9ff1518f822a30b295daa383e5557219 Auto-Submitted: auto-generated The branch releng/15.0 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=aa2f726e9ff1518f822a30b295daa383e5557219 commit aa2f726e9ff1518f822a30b295daa383e5557219 Author: Michael Tuexen AuthorDate: 2025-10-15 20:04:00 +0000 Commit: Colin Percival CommitDate: 2025-10-19 23:50:41 +0000 socket: bump socket buffer limit to 8MB Bump the socket buffer limit from 2 MB to 8MB. In particular, this allows to use larger values for TCP sockets, which may result in higher throughput values with default settings. In the review I was proposing using 16 MB, but in the transport call today we settled on a more conservative value of 8. Bumping it further will be done in combination with mitigations for mbuf exhaustion attacks. Approved by: re (cperciva) Reviewed by: rscheff, Peter Lei, jtl, thj Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D52873 (cherry picked from commit 1fe6497b48d6954ac07870d920b2e5d6d206be5e) (cherry picked from commit 167b9fac60a7d191349b9d841f2aa7d5d0f3eb94) --- sys/sys/sockbuf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/sys/sockbuf.h b/sys/sys/sockbuf.h index b4593f38f592..739723754b7d 100644 --- a/sys/sys/sockbuf.h +++ b/sys/sys/sockbuf.h @@ -62,7 +62,7 @@ #include #include -#define SB_MAX (2*1024*1024) /* default for max chars in sockbuf */ +#define SB_MAX (8*1024*1024) /* default for max chars in sockbuf */ struct ktls_session; struct mbuf;