From: Akhil Goyal <gakhil@marvell.com>
To: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: Anoob Joseph <anoobj@marvell.com>,
"radu.nicolau@intel.com" <radu.nicolau@intel.com>,
"declan.doherty@intel.com" <declan.doherty@intel.com>,
"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
"matan@nvidia.com" <matan@nvidia.com>,
"konstantin.ananyev@intel.com" <konstantin.ananyev@intel.com>,
"thomas@monjalon.net" <thomas@monjalon.net>,
"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>,
"olivier.matz@6wind.com" <olivier.matz@6wind.com>,
"rosen.xu@intel.com" <rosen.xu@intel.com>,
Jerin Jacob Kollanukkaran <jerinj@marvell.com>
Subject: RE: [EXT] Re: [PATCH v2 2/4] ethdev: add dev op to set/get IP reassembly configuration
Date: Sun, 30 Jan 2022 16:30:18 +0000 [thread overview]
Message-ID: <CO6PR18MB4484523643BD6C0B75342155D8249@CO6PR18MB4484.namprd18.prod.outlook.com> (raw)
In-Reply-To: <59a25a9f-10bc-f295-ab8c-7ae97f511a31@oktetlabs.ru>
Hi Andrew,
> On 1/20/22 19:26, Akhil Goyal wrote:
> > A new ethernet device op is added to give application control over
>
> ethernet -> Ethernet
Ok
>
> > the IP reassembly configuration. This operation is an optional
> > call from the application, default values are set by PMD and
> > exposed via rte_eth_dev_info.
>
> Are defaults or maximum support values exposed via rte_eth_dev_info?
> I guess it should be maximum. Defaults can be obtained using
> get without set.
>
Rte_eth_dev_info gives the maximum values/capabilities that a device can support
And also the default values set if user does not call set() API.
And get() op will give the currently set values.
> > Application should always first retrieve the capabilities from
> > rte_eth_dev_info and then set the fields accordingly.
> > User can get the currently set values using the get API.
> >
> > Signed-off-by: Akhil Goyal <gakhil@marvell.com>
>
> [snip]
>
>
> > +/**
> > + * @internal
> > + * Set configuration parameters for enabling IP reassembly offload in
> hardware.
> > + *
> > + * @param dev
> > + * Port (ethdev) handle
> > + *
> > + * @param[in] conf
> > + * Configuration parameters for IP reassembly.
> > + *
> > + * @return
> > + * Negative errno value on error, zero otherwise
> > + */
> > +typedef int (*eth_ip_reassembly_conf_set_t)(struct rte_eth_dev *dev,
> > + struct rte_eth_ip_reass_params *conf);
>
> const
>
> [snip]
>
> > +int
> > +rte_eth_ip_reassembly_conf_get(uint16_t port_id,
> > + struct rte_eth_ip_reass_params *conf)
>
> Please, preserve order everywhere. If get comes first, it must be first
> everywhere.
ok
>
> > +{
> > + struct rte_eth_dev *dev;
> > +
> > + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
> > + dev = &rte_eth_devices[port_id];
> > +
> > + if (conf == NULL) {
> > + RTE_ETHDEV_LOG(ERR, "Cannot get reassembly info to NULL");
> > + return -EINVAL;
> > + }
>
> Why is order of check different in set and get?
Ok will correct it.
>
> > +
> > + if (dev->data->dev_configured == 0) {
> > + RTE_ETHDEV_LOG(ERR,
> > + "Device with port_id=%"PRIu16" is not configured.\n",
> > + port_id);
> > + return -EINVAL;
> > + }
> > +
> > + if ((dev->data->dev_conf.rxmode.offloads &
> > + RTE_ETH_RX_OFFLOAD_IP_REASSEMBLY) == 0) {
> > + RTE_ETHDEV_LOG(ERR,
> > + "The port (ID=%"PRIu16") is not configured for IP
> reassembly\n",
> > + port_id);
> > + return -EINVAL;
> > + }
> > +
> > + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops-
> >ip_reassembly_conf_get,
> > + -ENOTSUP);
> > + memset(conf, 0, sizeof(struct rte_eth_ip_reass_params));
> > + return eth_err(port_id,
> > + (*dev->dev_ops->ip_reassembly_conf_get)(dev, conf));
> > +}
> > +
> > RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
> >
> > RTE_INIT(ethdev_init_telemetry)
> > diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
> > index 11427b2e4d..53af158bcb 100644
> > --- a/lib/ethdev/rte_ethdev.h
> > +++ b/lib/ethdev/rte_ethdev.h
> > @@ -5218,6 +5218,57 @@ int rte_eth_representor_info_get(uint16_t port_id,
> > __rte_experimental
> > int rte_eth_rx_metadata_negotiate(uint16_t port_id, uint64_t *features);
> >
> > +/**
> > + * @warning
> > + * @b EXPERIMENTAL: this API may change without prior notice
> > + *
> > + * Get IP reassembly configuration parameters currently set in PMD,
> > + * if device rx offload flag (RTE_ETH_RX_OFFLOAD_IP_REASSEMBLY) is
>
> rx -> Rx
>
> > + * enabled and the PMD supports IP reassembly offload.
> > + *
> > + * @param port_id
> > + * The port identifier of the device.
> > + * @param conf
> > + * A pointer to rte_eth_ip_reass_params structure.
> > + * @return
> > + * - (-ENOTSUP) if offload configuration is not supported by device.
> > + * - (-EINVAL) if offload is not enabled in rte_eth_conf.
> > + * - (-ENODEV) if *port_id* invalid.
> > + * - (-EIO) if device is removed.
> > + * - (0) on success.
> > + */
> > +__rte_experimental
> > +int rte_eth_ip_reassembly_conf_get(uint16_t port_id,
> > + struct rte_eth_ip_reass_params *conf);
> > +
> > +/**
> > + * @warning
> > + * @b EXPERIMENTAL: this API may change without prior notice
> > + *
> > + * Set IP reassembly configuration parameters if device rx offload
>
> rx -> Rx
>
Ok
> > + * flag (RTE_ETH_RX_OFFLOAD_IP_REASSEMBLY) is enabled and the PMD
> > + * supports IP reassembly offload. User should first check the
> > + * reass_capa in rte_eth_dev_info before setting the configuration.
> > + * The values of configuration parameters must not exceed the device
> > + * capabilities.
>
> It sounds like set API should retrieve dev_info and check set
> values vs maximums.
Yes.
>
> > The use of this API is optional and if called, it
> > + * should be called before rte_eth_dev_start().
>
> It should be highlighted that the device must be already configured.
Where should this be highlighted?
next prev parent reply other threads:[~2022-01-30 16:30 UTC|newest]
Thread overview: 184+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-23 10:02 [dpdk-dev] [PATCH] RFC: ethdev: add reassembly offload Akhil Goyal
2021-08-23 10:18 ` Andrew Rybchenko
2021-08-29 13:14 ` [dpdk-dev] [EXT] " Akhil Goyal
2021-09-21 19:59 ` Thomas Monjalon
2021-09-07 8:47 ` [dpdk-dev] " Ferruh Yigit
2021-09-08 10:29 ` [dpdk-dev] [EXT] " Anoob Joseph
2021-09-13 6:56 ` Xu, Rosen
2021-09-13 7:22 ` Andrew Rybchenko
2021-09-14 5:14 ` Anoob Joseph
2021-09-08 6:34 ` [dpdk-dev] " Xu, Rosen
2021-09-08 6:36 ` Xu, Rosen
2022-01-03 15:08 ` [PATCH 0/8] ethdev: introduce IP " Akhil Goyal
2022-01-03 15:08 ` [PATCH 1/8] " Akhil Goyal
2022-01-11 16:03 ` Ananyev, Konstantin
2022-01-22 7:38 ` Andrew Rybchenko
2022-01-30 16:53 ` [EXT] " Akhil Goyal
2022-01-03 15:08 ` [PATCH 2/8] ethdev: add dev op for IP reassembly configuration Akhil Goyal
2022-01-11 16:09 ` Ananyev, Konstantin
2022-01-11 18:54 ` Akhil Goyal
2022-01-12 10:22 ` Ananyev, Konstantin
2022-01-12 10:32 ` Akhil Goyal
2022-01-12 10:48 ` Ananyev, Konstantin
2022-01-12 11:06 ` Akhil Goyal
2022-01-13 13:31 ` Akhil Goyal
2022-01-13 14:41 ` Ananyev, Konstantin
2022-01-03 15:08 ` [PATCH 3/8] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-01-11 17:04 ` Ananyev, Konstantin
2022-01-11 18:44 ` Akhil Goyal
2022-01-12 10:30 ` Ananyev, Konstantin
2022-01-12 10:59 ` Akhil Goyal
2022-01-13 22:29 ` Ananyev, Konstantin
2022-01-13 13:18 ` Akhil Goyal
2022-01-13 14:36 ` Ananyev, Konstantin
2022-01-13 15:04 ` Akhil Goyal
2022-01-03 15:08 ` [PATCH 4/8] security: add IPsec option for " Akhil Goyal
2022-01-03 15:08 ` [PATCH 5/8] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 0/4] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 1/4] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 2/4] app/test: add IP reassembly case with no frags Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 3/4] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 4/4] app/test: add IP reassembly negative cases Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 0/4] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 1/4] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 2/4] app/test: add IP reassembly case with no frags Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 3/4] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 4/4] app/test: add IP reassembly negative cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 00/10] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 01/10] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 02/10] test/security: add inline inbound IPsec cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 03/10] test/security: add combined mode inline " Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 04/10] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 05/10] test/security: add more inline IPsec functional cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 06/10] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 07/10] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-04-19 8:58 ` Thomas Monjalon
2022-04-19 10:14 ` [EXT] " Akhil Goyal
2022-04-19 10:19 ` Anoob Joseph
2022-04-19 10:37 ` Thomas Monjalon
2022-04-19 10:39 ` Anoob Joseph
2022-04-19 10:47 ` Thomas Monjalon
2022-04-19 12:27 ` Akhil Goyal
2022-04-19 15:41 ` Ray Kinsella
2022-04-20 13:51 ` Akhil Goyal
2022-09-24 13:57 ` [PATCH v5 0/3] Add and test IPsec SA expiry events Akhil Goyal
2022-09-24 13:57 ` [PATCH v5 1/3] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-09-24 14:02 ` Akhil Goyal
2022-09-26 14:02 ` Thomas Monjalon
2022-09-27 18:44 ` [EXT] " Akhil Goyal
2022-09-24 13:57 ` [PATCH v5 2/3] test/security: add inline IPsec SA soft expiry cases Akhil Goyal
2022-09-24 13:57 ` [PATCH v5 3/3] test/security: add inline IPsec SA hard " Akhil Goyal
2022-09-26 17:07 ` [PATCH v6 0/3] Add and test IPsec SA expiry events Akhil Goyal
2022-09-26 17:07 ` [PATCH v6 1/3] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-09-26 17:07 ` [PATCH v6 2/3] test/security: add inline IPsec SA soft expiry cases Akhil Goyal
2022-09-26 17:07 ` [PATCH v6 3/3] test/security: add inline IPsec SA hard " Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 08/10] test/security: add inline IPsec SA soft " Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 09/10] test/security: add inline IPsec SA hard " Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 10/10] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-04-18 3:44 ` Anoob Joseph
2022-04-18 3:55 ` Akhil Goyal
2022-04-25 12:38 ` [PATCH v4 00/10] app/test: add inline IPsec and reassembly cases Poczatek, Jakub
2022-04-27 15:10 ` [PATCH v5 0/7] " Akhil Goyal
2022-04-27 15:10 ` [PATCH v5 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-04-27 15:44 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-04-27 15:44 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 3/7] test/security: add combined mode inline " Akhil Goyal
2022-04-27 15:45 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-04-27 15:45 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-04-27 15:46 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-04-27 15:46 ` Zhang, Roy Fan
2022-04-28 5:25 ` Anoob Joseph
2022-04-27 15:10 ` [PATCH v5 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-04-27 15:46 ` Zhang, Roy Fan
2022-04-27 15:42 ` [PATCH v5 0/7] app/test: add inline IPsec and reassembly cases Zhang, Roy Fan
2022-05-13 7:31 ` [PATCH v6 " Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 3/7] test/security: add combined mode inline " Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-05-13 7:32 ` [PATCH v6 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-05-13 7:32 ` [PATCH v6 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 0/7] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 3/7] test/security: add combined mode inline " Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-05-24 8:05 ` [PATCH v7 0/7] app/test: add inline IPsec and reassembly cases Anoob Joseph
2022-05-24 9:38 ` Akhil Goyal
2022-01-03 15:08 ` [PATCH 6/8] app/test: add IP reassembly case with no frags Akhil Goyal
2022-01-03 15:08 ` [PATCH 7/8] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-01-03 15:08 ` [PATCH 8/8] app/test: add IP reassembly negative cases Akhil Goyal
2022-01-06 9:51 ` [PATCH 0/8] ethdev: introduce IP reassembly offload David Marchand
2022-01-06 9:54 ` [EXT] " Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 0/4] " Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 1/4] " Akhil Goyal
2022-01-20 16:45 ` Stephen Hemminger
2022-01-20 17:11 ` [EXT] " Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 2/4] ethdev: add dev op to set/get IP reassembly configuration Akhil Goyal
2022-01-22 8:17 ` Andrew Rybchenko
2022-01-30 16:30 ` Akhil Goyal [this message]
2022-01-20 16:26 ` [PATCH v2 3/4] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 4/4] security: add IPsec option for " Akhil Goyal
2022-01-30 17:59 ` [PATCH v3 0/4] ethdev: introduce IP reassembly offload Akhil Goyal
2022-01-30 17:59 ` [PATCH v3 1/4] " Akhil Goyal
2022-02-01 14:11 ` Ferruh Yigit
2022-02-02 10:57 ` [EXT] " Akhil Goyal
2022-02-02 14:05 ` Ferruh Yigit
2022-01-30 17:59 ` [PATCH v3 2/4] ethdev: add dev op to set/get IP reassembly configuration Akhil Goyal
2022-01-30 17:59 ` [PATCH v3 3/4] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-01 14:11 ` Ferruh Yigit
2022-02-02 9:13 ` [EXT] " Akhil Goyal
2022-01-30 17:59 ` [PATCH v3 4/4] security: add IPsec option for " Akhil Goyal
2022-02-01 14:12 ` Ferruh Yigit
2022-02-02 9:15 ` [EXT] " Akhil Goyal
2022-02-02 14:04 ` Ferruh Yigit
2022-02-01 14:10 ` [PATCH v3 0/4] ethdev: introduce IP reassembly offload Ferruh Yigit
2022-02-02 9:05 ` [EXT] " Akhil Goyal
2022-02-04 22:13 ` [PATCH v4 0/3] " Akhil Goyal
2022-02-04 22:13 ` [PATCH v4 1/3] " Akhil Goyal
2022-02-04 22:20 ` Akhil Goyal
2022-02-07 13:53 ` Ferruh Yigit
2022-02-07 14:36 ` [EXT] " Akhil Goyal
2022-02-04 22:13 ` [PATCH v4 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-07 13:58 ` Ferruh Yigit
2022-02-07 14:20 ` [EXT] " Akhil Goyal
2022-02-07 14:56 ` Ferruh Yigit
2022-02-07 16:20 ` Akhil Goyal
2022-02-07 16:41 ` Ferruh Yigit
2022-02-07 17:17 ` Akhil Goyal
2022-02-07 17:23 ` Stephen Hemminger
2022-02-07 17:28 ` Ferruh Yigit
2022-02-07 18:01 ` Stephen Hemminger
2022-02-07 18:28 ` [EXT] " Akhil Goyal
2022-02-07 19:08 ` Stephen Hemminger
2022-02-07 17:29 ` Akhil Goyal
2022-02-04 22:13 ` [PATCH v4 3/3] security: add IPsec option for " Akhil Goyal
2022-02-08 9:01 ` David Marchand
2022-02-08 9:18 ` [EXT] " Akhil Goyal
2022-02-08 9:27 ` David Marchand
2022-02-08 10:45 ` Akhil Goyal
2022-02-08 13:19 ` Akhil Goyal
2022-02-08 19:55 ` David Marchand
2022-02-08 20:01 ` Akhil Goyal
2022-02-08 20:11 ` [PATCH v5 0/3] ethdev: introduce IP reassembly offload Akhil Goyal
2022-02-08 20:11 ` [PATCH v5 1/3] " Akhil Goyal
2022-02-08 20:11 ` [PATCH v5 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-08 20:11 ` [PATCH v5 3/3] security: add IPsec option for " Akhil Goyal
2022-02-08 22:20 ` [PATCH v6 0/3] ethdev: introduce IP reassembly offload Akhil Goyal
2022-02-08 22:20 ` [PATCH v6 1/3] " Akhil Goyal
2022-02-10 8:54 ` Ferruh Yigit
2022-02-10 10:08 ` Andrew Rybchenko
2022-02-10 10:20 ` Ferruh Yigit
2022-02-10 10:30 ` Ferruh Yigit
2022-02-08 22:20 ` [PATCH v6 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-10 8:54 ` Ferruh Yigit
2022-02-08 22:20 ` [PATCH v6 3/3] security: add IPsec option for " Akhil Goyal
2022-02-10 8:54 ` [PATCH v6 0/3] ethdev: introduce IP reassembly offload Ferruh Yigit
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CO6PR18MB4484523643BD6C0B75342155D8249@CO6PR18MB4484.namprd18.prod.outlook.com \
--to=gakhil@marvell.com \
--cc=andrew.rybchenko@oktetlabs.ru \
--cc=anoobj@marvell.com \
--cc=declan.doherty@intel.com \
--cc=dev@dpdk.org \
--cc=ferruh.yigit@intel.com \
--cc=hemant.agrawal@nxp.com \
--cc=jerinj@marvell.com \
--cc=konstantin.ananyev@intel.com \
--cc=matan@nvidia.com \
--cc=olivier.matz@6wind.com \
--cc=radu.nicolau@intel.com \
--cc=rosen.xu@intel.com \
--cc=thomas@monjalon.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).