From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hangbin Liu Subject: [PATCH net 4/4] ipvs: Document sysctl pmtu_disc Date: Fri, 17 Feb 2017 14:34:01 +0800 Message-ID: <1487313241-11361-5-git-send-email-liuhangbin@gmail.com> References: <1487313241-11361-1-git-send-email-liuhangbin@gmail.com> Return-path: 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=m7WWMPAekvct4dLcBsKEZJosAc6yKgS/kDarnWeMpCk=; b=D8Sp4CY8rZVBAR+krHslHkReXHuv1KyZqwN7779TmP+DunsdFksKKc8rNsF3CTP/c0 ODTRmPN6Sdh5BYpp+OsbMFhggAWDYNV/i0+2t+nnZfflYhyzYKAmSa7uxxQ/W8XyEPob CUnt/dPkqYHVEWK/DwiVVE3qOv1I60WwLm5MlagE+fehDu+heV+/7OQmoPiZtX8FkUxx lY4YexWrDeil9YIcuuqsO9pjry6SZdmFsJpJiUGhUC5mwdMF71sfhGU0qa86tNQC2lzd PBbaYTC4gEN4gqnzWJvCq6QV2APb5Z2xzYwGI0QWyxb01N2HcuuTxGNUQEZbPSb+/jjX 7l9Q== In-Reply-To: <1487313241-11361-1-git-send-email-liuhangbin@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lvs-devel@vger.kernel.org Cc: Simon Horman , netdev@vger.kernel.org, Marcelo Ricardo Leitner , Hangbin Liu Document sysctl pmtu_disc based on commit 3654e61137db ("ipvs: add pmtu_disc option to disable IP DF for TUN packets"). Signed-off-by: Hangbin Liu --- Documentation/networking/ipvs-sysctl.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt index e4d9235..fb65d4a 100644 --- a/Documentation/networking/ipvs-sysctl.txt +++ b/Documentation/networking/ipvs-sysctl.txt @@ -175,6 +175,15 @@ nat_icmp_send - BOOLEAN for VS/NAT when the load balancer receives packets from real servers but the connection entries don't exist. +pmtu_disc - BOOLEAN + 0 - disabled + not 0 - enabled (default) + + When enabled PMTU discovery(default) and received packets larger than + the next MTU, we will send back FRAG_NEEDED message and drop the + incoming packet. But if users prefer to fragment regardless of DF bit + other than drop the packet, they can disable it. + secure_tcp - INTEGER 0 - disabled (default) -- 2.5.5