Revision 916f6efae62305796e012e7c3a7884a267cbacbf authored by Florian Westphal on 17 April 2019, 00:17:23 UTC, committed by Pablo Neira Ayuso on 22 April 2019, 08:34:30 UTC
setting net.netfilter.nf_conntrack_timestamp=1 breaks xmit with fq scheduler. skb->tstamp might be "refreshed" using ktime_get_real(), but fq expects CLOCK_MONOTONIC. This patch removes all places in netfilter that check/set skb->tstamp: 1. To fix the bogus "start" time seen with conntrack timestamping for outgoing packets, never use skb->tstamp and always use current time. 2. In nfqueue and nflog, only use skb->tstamp for incoming packets, as determined by current hook (prerouting, input, forward). 3. xt_time has to use system clock as well rather than skb->tstamp. We could still use skb->tstamp for prerouting/input/foward, but I see no advantage to make this conditional. Fixes: fb420d5d91c1 ("tcp/fq: move back to CLOCK_MONOTONIC") Cc: Eric Dumazet <edumazet@google.com> Reported-by: Michal Soltys <soltys@ziu.info> Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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module.lds
/* SPDX-License-Identifier: GPL-2.0 */
SECTIONS {
/* Group unwind sections into a single section: */
.IA_64.unwind_info : { *(.IA_64.unwind_info*) }
.IA_64.unwind : { *(.IA_64.unwind*) }
/*
* Create place-holder sections to hold the PLTs, GOT, and
* official procedure-descriptors (.opd).
*/
.core.plt : { BYTE(0) }
.init.plt : { BYTE(0) }
.got : { BYTE(0) }
.opd : { BYTE(0) }
}
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