From: Raslan Darawsheh <rasland@nvidia.com> To: Ferruh Yigit <ferruh.yigit@intel.com>, Ori Kam <orika@nvidia.com>, "dev@dpdk.org" <dev@dpdk.org>, "andrew.rybchenko@oktetlabs.ru" <andrew.rybchenko@oktetlabs.ru> Cc: "ivan.malov@oktetlabs.ru" <ivan.malov@oktetlabs.ru>, "ying.a.wang@intel.com" <ying.a.wang@intel.com>, "olivier.matz@6wind.com" <olivier.matz@6wind.com>, Slava Ovsiienko <viacheslavo@nvidia.com>, Shiri Kuzin <shirik@nvidia.com>, "stable@dpdk.org" <stable@dpdk.org>, David Marchand <david.marchand@redhat.com>, NBU-Contact-Thomas Monjalon <thomas@monjalon.net> Subject: Re: [dpdk-dev] [PATCH v4 2/2] ethdev: update qfi definition Date: Thu, 15 Apr 2021 06:33:34 +0000 Message-ID: <DM6PR12MB27483F61C4457B5DAD43C12ECF4D9@DM6PR12MB2748.namprd12.prod.outlook.com> (raw) In-Reply-To: <53c622e2-3a00-95aa-a639-f8d26f2bf8ba@intel.com> Kindest regards, Raslan Darawsheh > -----Original Message----- > From: Ferruh Yigit <ferruh.yigit@intel.com> > Sent: Wednesday, April 14, 2021 3:17 PM > To: Ori Kam <orika@nvidia.com>; Raslan Darawsheh <rasland@nvidia.com>; > dev@dpdk.org; andrew.rybchenko@oktetlabs.ru > Cc: ivan.malov@oktetlabs.ru; ying.a.wang@intel.com; > olivier.matz@6wind.com; Slava Ovsiienko <viacheslavo@nvidia.com>; Shiri > Kuzin <shirik@nvidia.com>; stable@dpdk.org; David Marchand > <david.marchand@redhat.com>; NBU-Contact-Thomas Monjalon > <thomas@monjalon.net> > Subject: Re: [PATCH v4 2/2] ethdev: update qfi definition > > On 4/13/2021 10:24 AM, Ori Kam wrote: > > Hi Raslan, > > > >> -----Original Message----- > >> From: Raslan Darawsheh <rasland@nvidia.com> > >> Subject: RE: [PATCH v4 2/2] ethdev: update qfi definition > >> > >> Hi, > >> > >>> -----Original Message----- > >>> From: Ferruh Yigit <ferruh.yigit@intel.com> > >>> Sent: Tuesday, April 6, 2021 7:10 PM > >>> To: Raslan Darawsheh <rasland@nvidia.com>; dev@dpdk.org; Ori Kam > >>> <orika@nvidia.com>; andrew.rybchenko@oktetlabs.ru > >>> Cc: ivan.malov@oktetlabs.ru; ying.a.wang@intel.com; > >>> olivier.matz@6wind.com; Slava Ovsiienko <viacheslavo@nvidia.com>; > Shiri > >>> Kuzin <shirik@nvidia.com>; stable@dpdk.org; David Marchand > >>> <david.marchand@redhat.com>; NBU-Contact-Thomas Monjalon > >>> <thomas@monjalon.net> > >>> Subject: Re: [PATCH v4 2/2] ethdev: update qfi definition > >>> > >>> On 4/4/2021 8:45 AM, Raslan Darawsheh wrote: > >>>> qfi field is 8 bits which represent single bit for > >>>> PPP (paging Policy Presence) single bit for RQI > >>>> (Reflective QoS Indicator) and 6 bits for qfi > >>>> (QoS Flow Identifier) based on RFC 38415-g30 > >>>> > >>>> This update the doxygen format and the mask for qfi > >>>> to properly identify the full 8 bits of the field. > >>>> > >>>> note: changing the default mask would cause different > >>>> patterns generated by testpmd. > >>>> > >>>> Fixes: 346553db5bd1 ("ethdev: add GTP extension header to flow API") > >>>> Cc: ying.a.wang@intel.com > >>>> Cc: stable@dpdk.org > >>>> > >>>> Signed-off-by: Raslan Darawsheh <rasland@nvidia.com> > >>>> --- > >>>> doc/guides/testpmd_app_ug/testpmd_funcs.rst | 3 ++- > >>>> lib/librte_ethdev/rte_flow.h | 20 +++++++++++++++++--- > >>>> 2 files changed, 19 insertions(+), 4 deletions(-) > >>>> > >>>> diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst > >>> b/doc/guides/testpmd_app_ug/testpmd_funcs.rst > >>>> index f59eb8a27d..dd39c4c3c2 100644 > >>>> --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst > >>>> +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst > >>>> @@ -3742,7 +3742,8 @@ This section lists supported pattern items and > >>> their attributes, if any. > >>>> - ``gtp_psc``: match GTP PDU extension header with type 0x85. > >>>> > >>>> - ``pdu_type {unsigned}``: PDU type. > >>>> - - ``qfi {unsigned}``: QoS flow identifier. > >>>> + > >>>> + - ``qfi {unsigned}``: PPP, RQI and QoS flow identifier. > >>>> > >>>> - ``pppoes``, ``pppoed``: match PPPoE header. > >>>> > >>>> diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h > >>>> index 6cc57136ac..20b4389429 100644 > >>>> --- a/lib/librte_ethdev/rte_flow.h > >>>> +++ b/lib/librte_ethdev/rte_flow.h > >>>> @@ -20,6 +20,7 @@ > >>>> #include <rte_arp.h> > >>>> #include <rte_common.h> > >>>> #include <rte_ether.h> > >>>> +#include <rte_gtp.h> > >>>> #include <rte_icmp.h> > >>>> #include <rte_ip.h> > >>>> #include <rte_sctp.h> > >>>> @@ -1421,16 +1422,29 @@ static const struct rte_flow_item_meta > >>> rte_flow_item_meta_mask = { > >>>> * > >>>> * Matches a GTP PDU extension header with type 0x85. > >>>> */ > >>>> +RTE_STD_C11 > >>>> struct rte_flow_item_gtp_psc { > >>>> - uint8_t pdu_type; /**< PDU type. */ > >>>> - uint8_t qfi; /**< QoS flow identifier. */ > >>>> + union { > >>>> + struct { > >>>> + /* > >>>> + * These fields are retained for compatibility. > >>>> + * Please switch to the new header field below. > >>>> + */ > >>>> + uint8_t pdu_type; /**< PDU type. */ > >>>> + uint8_t qfi; /**< PPP, RQI, QoS flow identifier. */ > >>>> + > >>>> + }; > >>>> + struct rte_gtp_psc_hdr hdr; > >>>> + }; > >>>> }; > >>> > >>> This will change the struct size even with union, since old version is > missing > >>> all fields from protocol header. Struct size will go from 2 --> 5 bytes [1]. > >>> > >>> Since this is public struct, we can't change its size. > >>> > >>> @Ori, Andrew, > >>> > >>> Do you have a suggestion for next step? > >>> > > > > I think Ferruh is right, and I think that we should at this point just update > the documentation. > > Sorry for the detour > > Just small comment about the original patch. > > I don't think you should change the default mask since it may break existing > apps. > > > > I will continue with first patch [1], and will update the protocol reference in > the commit log. > > Meanwhile adding 'struct rte_gtp_psc_hdr' (patch v4 1/2) work can continue > separately. > And when it is added we can send a deprecation notice to update 'struct > rte_flow_item_gtp_psc' and finally update it on v21.11 to have 'struct > rte_gtp_psc_hdr' in it. Makes sense? > Yes, makes sense to me, I'll work in the meanwhile on providing the new hdrs definition . > [1] > https://patches.dpdk.org/project/dpdk/patch/20210323121134.19113-1- > rasland@nvidia.com/ > > >>> - We can still add the "struct rte_gtp_psc_hdr", and add a deprecation > notice > >>> for "struct rte_flow_item_gtp_psc" to say it will use "struct > >>> rte_gtp_psc_hdr" > >>> on 21.11. > >>> > >>> - And for this release use the Raslan's first version: > >>> - uint8_t qfi; /**< QoS flow identifier. */ > >>> + uint8_t qfi; /**< PPP, RQI, QoS flow identifier. */ > >>> > >>> > >>> Does it make sense? Any comments? > >>> > >> @Ori Kam, @andrew.rybchenko@oktetlabs.ru, > >> This is a kind remainder of this patch, > >> > >>> > >>> > >>> [1] > >>> struct rte_gtp_psc_hdr { > >>> uint8_t ext_hdr_len; /* 0 1 */ > >>> uint8_t type:4; /* 1: 0 1 */ > >>> uint8_t qmp:1; /* 1: 4 1 */ > >>> > >>> /* XXX 3 bits hole, try to pack */ > >>> > >>> union { > >>> struct { > >>> uint8_t snp:1; /* 2: 0 1 */ > >>> uint8_t spare_dl1:2; /* 2: 1 1 */ > >>> }; /* 2 1 */ > >>> struct { > >>> uint8_t dl_delay_ind:1; /* 2: 0 1 */ > >>> uint8_t ul_delay_ind:1; /* 2: 1 1 */ > >>> uint8_t snp_ul1:1; /* 2: 2 1 */ > >>> }; /* 2 1 */ > >>> }; /* 2 1 */ > >>> union { > >>> struct { > >>> uint8_t ppp:1; /* 3: 0 1 */ > >>> uint8_t rqi:1; /* 3: 1 1 */ > >>> }; /* 3 1 */ > >>> struct { > >>> uint8_t n_delay_ind:1; /* 3: 0 1 */ > >>> uint8_t spare_ul2:1; /* 3: 1 1 */ > >>> }; /* 3 1 */ > >>> }; /* 3 1 */ > >>> uint8_t qfi:6; /* 4: 0 1 */ > >>> > >>> /* XXX 2 bits hole, try to pack */ > >>> > >>> uint8_t data[]; /* 5 0 */ > >>> > >>> /* size: 5, cachelines: 1, members: 7 */ > >>> /* sum members: 3 */ > >>> /* sum bitfield members: 11 bits, bit holes: 2, sum bit holes: 5 bits > */ > >>> /* last cacheline: 5 bytes */ > >>> }; > >>> > >>>> > >>>> /** Default mask for RTE_FLOW_ITEM_TYPE_GTP_PSC. */ > >>>> #ifndef __cplusplus > >>>> static const struct rte_flow_item_gtp_psc > >>>> rte_flow_item_gtp_psc_mask = { > >>>> - .qfi = 0x3f, > >>>> + .hdr.ppp = 1, > >>>> + .hdr.rqi = 1, > >>>> + .hdr.qfi = 0x3f, > >>>> }; > >>>> #endif > >>>> > >>>> > >
next prev parent reply other threads:[~2021-04-15 6:33 UTC|newest] Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-23 12:11 [dpdk-dev] [PATCH] " Raslan Darawsheh 2021-03-26 13:12 ` Ferruh Yigit 2021-03-29 8:53 ` Ori Kam 2021-03-29 9:06 ` Raslan Darawsheh 2021-03-29 11:14 ` Ferruh Yigit 2021-03-30 7:50 ` [dpdk-dev] [PATCH v2 0/2] fix gtp psc qfi support Raslan Darawsheh 2021-03-30 7:50 ` [dpdk-dev] [PATCH v2 1/2] ethdev: add new ext hdr for gtp psc Raslan Darawsheh 2021-03-30 8:00 ` [dpdk-dev] [PATCH v3 0/2] fix gtp psc qfi support Raslan Darawsheh 2021-03-30 8:00 ` [dpdk-dev] [PATCH v3 1/2] ethdev: add new ext hdr for gtp psc Raslan Darawsheh 2021-04-01 16:51 ` Ferruh Yigit 2021-04-04 7:17 ` Raslan Darawsheh 2021-03-30 8:00 ` [dpdk-dev] [PATCH v3 2/2] ethdev: update qfi definition Raslan Darawsheh 2021-04-01 16:54 ` Ferruh Yigit 2021-04-04 7:18 ` Raslan Darawsheh 2021-04-04 7:45 ` [dpdk-dev] [PATCH v4 0/2] fix gtp psc qfi support Raslan Darawsheh 2021-04-04 7:45 ` [dpdk-dev] [PATCH v4 1/2] ethdev: add new ext hdr for gtp psc Raslan Darawsheh 2021-04-08 12:29 ` Olivier Matz 2021-04-08 12:37 ` Raslan Darawsheh 2021-04-08 14:10 ` Ferruh Yigit 2021-04-08 14:10 ` Olivier Matz 2021-04-13 7:45 ` Raslan Darawsheh 2021-04-29 16:29 ` Tyler Retzlaff 2021-06-08 12:13 ` Andrew Rybchenko 2021-04-04 7:45 ` [dpdk-dev] [PATCH v4 2/2] ethdev: update qfi definition Raslan Darawsheh 2021-04-06 16:09 ` Ferruh Yigit 2021-04-13 8:14 ` Raslan Darawsheh 2021-04-13 9:24 ` Ori Kam 2021-04-14 12:16 ` Ferruh Yigit 2021-04-15 6:33 ` Raslan Darawsheh [this message] 2021-04-29 8:10 ` [dpdk-dev] [PATCH v5 0/1] add new hdr for gtp qfi Raslan Darawsheh 2021-04-29 8:10 ` [dpdk-dev] [PATCH v5 1/1] ethdev: add new ext hdr for gtp psc Raslan Darawsheh 2021-05-11 11:46 ` Ferruh Yigit 2021-06-08 12:17 ` Andrew Rybchenko 2021-06-08 12:18 ` Andrew Rybchenko 2021-06-08 14:07 ` Raslan Darawsheh 2021-03-30 7:50 ` [dpdk-dev] [PATCH v2 2/2] ethdev: update qfi definition Raslan Darawsheh 2021-04-14 12:40 ` [dpdk-dev] [PATCH] " 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=DM6PR12MB27483F61C4457B5DAD43C12ECF4D9@DM6PR12MB2748.namprd12.prod.outlook.com \ --to=rasland@nvidia.com \ --cc=andrew.rybchenko@oktetlabs.ru \ --cc=david.marchand@redhat.com \ --cc=dev@dpdk.org \ --cc=ferruh.yigit@intel.com \ --cc=ivan.malov@oktetlabs.ru \ --cc=olivier.matz@6wind.com \ --cc=orika@nvidia.com \ --cc=shirik@nvidia.com \ --cc=stable@dpdk.org \ --cc=thomas@monjalon.net \ --cc=viacheslavo@nvidia.com \ --cc=ying.a.wang@intel.com \ /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
DPDK patches and discussions This inbox may be cloned and mirrored by anyone: git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git # If you have public-inbox 1.1+ installed, you may # initialize and index your mirror using the following commands: public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \ dev@dpdk.org public-inbox-index dev Example config snippet for mirrors. Newsgroup available over NNTP: nntp://inbox.dpdk.org/inbox.dpdk.dev AGPL code for this site: git clone https://public-inbox.org/public-inbox.git