From: Po Liu <po.liu@nxp.com>
To: Vinicius Costa Gomes <vinicius.gomes@intel.com>,
"davem@davemloft.net" <davem@davemloft.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>,
Vladimir Oltean <vladimir.oltean@nxp.com>,
Alexandru Marginean <alexandru.marginean@nxp.com>,
Xiaoliang Yang <xiaoliang.yang_1@nxp.com>,
Roy Zang <roy.zang@nxp.com>, Mingkai Hu <mingkai.hu@nxp.com>,
Jerry Huang <jerry.huang@nxp.com>, Leo Li <leoyang.li@nxp.com>,
"michael.chan@broadcom.com" <michael.chan@broadcom.com>,
"vishal@chelsio.com" <vishal@chelsio.com>,
"saeedm@mellanox.com" <saeedm@mellanox.com>,
"leon@kernel.org" <leon@kernel.org>,
"jiri@mellanox.com" <jiri@mellanox.com>,
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"UNGLinuxDriver@microchip.com" <UNGLinuxDriver@microchip.com>,
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"john.hurley@netronome.com" <john.hurley@netronome.com>,
"simon.horman@netronome.com" <simon.horman@netronome.com>,
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"ivan.khoronzhuk@linaro.org" <ivan.khoronzhuk@linaro.org>,
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Subject: RE: [EXT] Re: [RFC,net-next 2/9] net: qos: introduce a gate control flow action
Date: Fri, 13 Mar 2020 03:47:25 +0000 [thread overview]
Message-ID: <VE1PR04MB6496FB9C6C6DC9794826B37092FA0@VE1PR04MB6496.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <871rpxi5li.fsf@linux.intel.com>
Hi Vinicius,
> -----Original Message-----
> From: Vinicius Costa Gomes <vinicius.gomes@intel.com>
> Sent: 2020年3月13日 6:14
> >> tc qdisc add dev eth0 ingress
> >
> >> tc filter add dev eth0 parent ffff: protocol ip \
> > flower src_ip 192.168.0.20 \
> > action gate index 2 \
> > sched-entry OPEN 200000000 -1 -1 \
> > sched-entry CLOSE 100000000 -1 -1
> >
> >> tc chain del dev eth0 ingress chain 0
>
> A more complex example, showing how it would work for more filters
> would be nice.
>
> For example, filters matching 3 different source IPs (even better, using
> MAC addresses so it would work when you add the 'skip_sw' flag),
> assigning different priorities to them, also showing how the "base-time"
> could be used.
Ok, I would update with a more clear example.
> >
> > +static int tcf_gate_act(struct sk_buff *skb, const struct tc_action *a,
> > + struct tcf_result *res) {
> > + struct tcf_gate *g = to_gate(a);
> > + struct tcf_gate_params *p;
> > + struct gate_action *gact;
> > + int action;
> > +
> > + tcf_lastuse_update(&g->tcf_tm);
> > + tcf_action_update_bstats(&g->common, skb);
> > +
>
> Please test this with lockdep enabled, I got the feeling that there's a
> missing rcu_read_lock() somewhere around here.
I will add lock here.
>
> > + gact->tk_offset = tk_offset;
> > + spin_lock_init(&gact->entry_lock);
> > + hrtimer_init(&gact->hitimer, clockid, HRTIMER_MODE_ABS);
> > + gact->hitimer.function = gate_timer_func;
>
> Hm, having an hrtimer per filter seems kind dangerous, in the sense that it
> seems very hard to configure right.
Per gate action exactly.
>
> But I don't have any alternative ideas for now.
Yes, hrtimer should only start when software gate simulator binding. But seems there is no way to link the skip_hw state with the gate action in current state. So hrtimer has to start at initial time when it is create.
>
> --
> Vinicius
Br,
Po Liu
next prev parent reply other threads:[~2020-03-13 3:47 UTC|newest]
Thread overview: 125+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-06 12:55 [RFC,net-next 0/9] Introduce a flow gate control action and apply IEEE Po Liu
2020-03-06 12:55 ` [RFC,net-next 1/9] net: qos offload add flow status with dropped count Po Liu
2020-03-06 12:56 ` [RFC,net-next 2/9] net: qos: introduce a gate control flow action Po Liu
2020-03-06 19:11 ` Jakub Kicinski
2020-03-07 6:05 ` [EXT] " Po Liu
2020-03-12 22:14 ` Vinicius Costa Gomes
2020-03-13 3:47 ` Po Liu [this message]
2020-03-13 18:36 ` Cong Wang
2020-03-14 4:09 ` [EXT] " Po Liu
2020-03-06 12:56 ` [RFC,net-next 3/9] net: schedule: add action gate offloading Po Liu
2020-03-06 19:02 ` Jakub Kicinski
2020-03-06 19:19 ` Jakub Kicinski
2020-03-07 4:38 ` [EXT] " Po Liu
2020-03-06 12:56 ` [RFC,net-next 4/9] net: enetc: add hw tc hw offload features for PSPF capability Po Liu
2020-03-06 12:56 ` [RFC,net-next 5/9] net: enetc: add tc flower psfp offload driver Po Liu
2020-03-12 22:14 ` Vinicius Costa Gomes
2020-03-13 5:59 ` [EXT] " Po Liu
2020-03-06 12:56 ` [RFC,net-next 6/9] net: qos: add tc police offloading action with max frame size limit Po Liu
2020-06-23 6:34 ` [v1,net-next 1/4] " Po Liu
2020-06-23 6:34 ` [v1,net-next 2/4] net: enetc: add support max frame size for tc flower offload Po Liu
2020-06-23 6:34 ` [v1,net-next 3/4] net: qos: police action add index for tc flower offloading Po Liu
2020-06-23 7:09 ` Ido Schimmel
2020-06-23 7:39 ` [EXT] " Po Liu
2020-06-23 10:08 ` Jamal Hadi Salim
2020-06-23 6:34 ` [v1,net-next 4/4] net: enetc add tc flower offload flow metering policing action Po Liu
2020-06-23 14:54 ` kernel test robot
2020-06-23 15:08 ` kernel test robot
2020-06-24 9:36 ` [v2,net-next 1/4] net: qos: add tc police offloading action with max frame size limit Po Liu
2020-06-24 9:36 ` [v2,net-next 2/4] net: enetc: add support max frame size for tc flower offload Po Liu
2020-06-25 5:04 ` David Miller
2020-06-24 9:36 ` [v2,net-next 3/4] net: qos: police action add index for tc flower offloading Po Liu
2020-06-25 5:04 ` David Miller
2020-06-24 9:36 ` [v2,net-next 4/4] net: enetc add tc flower offload flow metering policing action Po Liu
2020-06-25 5:04 ` David Miller
2020-06-25 5:04 ` [v2,net-next 1/4] net: qos: add tc police offloading action with max frame size limit David Miller
2020-06-23 7:01 ` [v1,net-next " Ido Schimmel
2020-03-06 12:56 ` [RFC,net-next 7/9] net: enetc: add support max frame size for tc flower offload Po Liu
2020-03-06 12:56 ` [RFC,net-next 8/9] net: qos: police action add index for tc flower offloading Po Liu
2020-06-21 10:04 ` Ido Schimmel
2020-03-06 12:56 ` [RFC,net-next 9/9] net: enetc add tc flower offload flow metering policing action Po Liu
2020-03-06 12:56 ` [RFC, iproute2-next] iproute2:tc:action: add a gate control action Po Liu
2020-03-24 3:47 ` [v1,net-next 0/5] Introduce a flow gate control action and apply IEEE Po Liu
2020-03-24 3:47 ` [v1,net-next 1/5] net: qos offload add flow status with dropped count Po Liu
2020-03-24 10:01 ` Jiri Pirko
2020-03-24 13:04 ` [EXT] " Po Liu
2020-03-24 3:47 ` [v1,net-next 2/5] net: qos: introduce a gate control flow action Po Liu
2020-03-24 10:19 ` Jiri Pirko
2020-03-24 10:28 ` [EXT] " Po Liu
2020-03-24 3:47 ` [v1,net-next 3/5] net: schedule: add action gate offloading Po Liu
2020-03-24 3:47 ` [v1,net-next 4/5] net: enetc: add hw tc hw offload features for PSPF capability Po Liu
2020-03-24 11:18 ` kbuild test robot
2020-03-24 12:14 ` Jiri Pirko
2020-03-24 3:47 ` [v1,net-next 5/5] net: enetc: add tc flower psfp offload driver Po Liu
2020-03-24 12:53 ` kbuild test robot
2020-03-24 3:47 ` [v1,iproute2 1/2] iproute2:tc:action: add a gate control action Po Liu
2020-03-24 21:59 ` Stephen Hemminger
2020-03-25 2:40 ` [EXT] " Po Liu
2020-03-24 3:47 ` [v1,iproute2 2/2] iproute2: add gate action man page Po Liu
2020-04-14 5:40 ` [v2,net-next 0/4] Introduce a flow gate control action and apply IEEE Po Liu
2020-04-14 5:40 ` [ v2,net-next 1/4] net: qos: introduce a gate control flow action Po Liu
2020-04-14 5:40 ` [ v2,net-next 2/4] net: schedule: add action gate offloading Po Liu
2020-04-14 5:40 ` [ v2,net-next 3/4] net: enetc: add hw tc hw offload features for PSPF capability Po Liu
2020-04-14 5:40 ` [ v2,net-next 4/4] net: enetc: add tc flower psfp offload driver Po Liu
2020-04-14 23:41 ` [v2,net-next 0/4] Introduce a flow gate control action and apply IEEE David Miller
2020-04-18 1:12 ` Po Liu
2020-04-18 1:12 ` [ v2,net-next 1/4] net: qos: introduce a gate control flow action Po Liu
2020-04-18 1:12 ` [ v2,net-next 2/4] net: schedule: add action gate offloading Po Liu
2020-04-18 1:12 ` [ v2,net-next 3/4] net: enetc: add hw tc hw offload features for PSPF capability Po Liu
2020-04-18 1:12 ` [ v2,net-next 4/4] net: enetc: add tc flower psfp offload driver Po Liu
2020-04-18 22:52 ` Vladimir Oltean
2020-04-19 1:44 ` [EXT] " Po Liu
2020-04-22 2:48 ` [v3,net-next 0/4] Introduce a flow gate control action and apply IEEE Po Liu
2020-04-22 2:48 ` [v3,net-next 1/4] net: qos: introduce a gate control flow action Po Liu
2020-04-22 13:23 ` Vlad Buslov
2020-04-23 3:14 ` [EXT] " Po Liu
2020-04-23 7:43 ` Vlad Buslov
2020-04-23 8:32 ` Po Liu
2020-04-23 9:15 ` Po Liu
2020-04-23 11:14 ` Vlad Buslov
2020-04-23 11:03 ` Vlad Buslov
2020-04-22 19:19 ` Allan W. Nielsen
2020-04-22 19:28 ` Vladimir Oltean
2020-04-22 20:05 ` Dave Taht
2020-04-23 3:29 ` [EXT] " Po Liu
2020-04-23 19:11 ` Allan W. Nielsen
2020-04-23 3:27 ` [EXT] " Po Liu
2020-04-23 17:38 ` Vinicius Costa Gomes
2020-04-23 19:17 ` Allan W. Nielsen
2020-04-24 3:23 ` [EXT] " Po Liu
2020-04-24 17:41 ` Vinicius Costa Gomes
2020-04-25 1:49 ` Po Liu
2020-04-22 2:48 ` [v3,net-next 2/4] net: schedule: add action gate offloading Po Liu
2020-04-22 14:14 ` Vlad Buslov
2020-04-22 2:48 ` [v3,net-next 3/4] net: enetc: add hw tc hw offload features for PSPF capability Po Liu
2020-04-22 2:48 ` [v3,net-next 4/4] net: enetc: add tc flower psfp offload driver Po Liu
2020-04-28 3:34 ` [v4,net-next 0/4] Introduce a flow gate control action and apply IEEE Po Liu
2020-04-28 3:34 ` [v4,net-next 1/4] net: qos: introduce a gate control flow action Po Liu
2020-04-29 17:04 ` Vlad Buslov
2020-04-30 0:52 ` [EXT] " Po Liu
2020-04-28 3:34 ` [v4,net-next 2/4] net: schedule: add action gate offloading Po Liu
2020-04-29 17:40 ` Vlad Buslov
2020-04-28 3:34 ` [v4,net-next 3/4] net: enetc: add hw tc hw offload features for PSPF capability Po Liu
2020-04-28 3:34 ` [v4,net-next 4/4] net: enetc: add tc flower psfp offload driver Po Liu
2020-05-01 0:53 ` [v5,net-next 0/4] Introduce a flow gate control action and apply IEEE Po Liu
2020-05-01 0:53 ` [v5,net-next 1/4] net: qos: introduce a gate control flow action Po Liu
2020-05-01 0:53 ` [v5,net-next 2/4] net: schedule: add action gate offloading Po Liu
2020-05-01 0:53 ` [v5,net-next 3/4] net: enetc: add hw tc hw offload features for PSPF capability Po Liu
2020-05-01 0:53 ` [v5,net-next 4/4] net: enetc: add tc flower psfp offload driver Po Liu
2020-05-03 6:32 ` [v3,iproute2 1/2] iproute2:tc:action: add a gate control action Po Liu
2020-05-03 6:32 ` [v3,iproute2 2/2] iproute2: add gate action man page Po Liu
2020-05-06 8:40 ` [v4,iproute2-next 1/2] iproute2-next:tc:action: add a gate control action Po Liu
2020-05-06 8:40 ` [v4,iproute2-next 2/2] iproute2-next: add gate action man page Po Liu
2020-05-08 7:02 ` [v5,iproute2-next 1/2] iproute2-next:tc:action: add a gate control action Po Liu
2020-05-08 7:02 ` [v5,iproute2-next 2/2] iproute2-next: add gate action man page Po Liu
2020-05-13 2:21 ` [v5,iproute2-next 1/2] iproute2-next:tc:action: add a gate control action David Ahern
2020-05-06 12:54 ` [v4,iproute2-next " Davide Caratti
2020-05-07 2:28 ` [EXT] " Po Liu
2020-05-06 15:21 ` Stephen Hemminger
2020-05-05 0:05 ` [v3,iproute2 1/2] iproute2:tc:action: " Stephen Hemminger
2020-05-05 0:06 ` Stephen Hemminger
2020-05-01 23:08 ` [v5,net-next 0/4] Introduce a flow gate control action and apply IEEE David Miller
2020-06-19 6:01 ` [v2,net-next] net: qos offload add flow status with dropped count Po Liu
2020-06-19 7:03 ` Simon Horman
2020-06-19 18:00 ` Vlad Buslov
2020-06-19 19:54 ` David Miller
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