diff options
author | Vinicius Costa Gomes <vinicius.gomes@intel.com> | 2020-02-07 00:46:10 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-11 15:35:51 +0300 |
commit | 7fd6c4da37d41d5e61e5e89f75493db1a0eaebcc (patch) | |
tree | 78a69c072be16a1fa90d6d97279aa60b095448f8 /net/sched | |
parent | a5b959885c45690baa4383581758030947b7b5f4 (diff) | |
download | linux-7fd6c4da37d41d5e61e5e89f75493db1a0eaebcc.tar.xz |
taprio: Fix dropping packets when using taprio + ETF offloading
[ Upstream commit bfabd41da34180d05382312533a3adc2e012dee0 ]
When using taprio offloading together with ETF offloading, configured
like this, for example:
$ tc qdisc replace dev $IFACE parent root handle 100 taprio \
num_tc 4 \
map 2 2 1 0 3 2 2 2 2 2 2 2 2 2 2 2 \
queues 1@0 1@1 1@2 1@3 \
base-time $BASE_TIME \
sched-entry S 01 1000000 \
sched-entry S 0e 1000000 \
flags 0x2
$ tc qdisc replace dev $IFACE parent 100:1 etf \
offload delta 300000 clockid CLOCK_TAI
During enqueue, it works out that the verification added for the
"txtime" assisted mode is run when using taprio + ETF offloading, the
only thing missing is initializing the 'next_txtime' of all the cycle
entries. (if we don't set 'next_txtime' all packets from SO_TXTIME
sockets are dropped)
Fixes: 4cfd5779bd6e ("taprio: Add support for txtime-assist mode")
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/sched')
-rw-r--r-- | net/sched/sch_taprio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 21df69071df2..660fc45ee40f 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1522,9 +1522,9 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, goto unlock; } - if (TXTIME_ASSIST_IS_ENABLED(q->flags)) { - setup_txtime(q, new_admin, start); + setup_txtime(q, new_admin, start); + if (TXTIME_ASSIST_IS_ENABLED(q->flags)) { if (!oper) { rcu_assign_pointer(q->oper_sched, new_admin); err = 0; |