From: Ori Kam <orika@nvidia.com> To: Raslan Darawsheh <rasland@nvidia.com>, Ferruh Yigit <ferruh.yigit@intel.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: Tue, 13 Apr 2021 09:24:32 +0000 Message-ID: <BYAPR12MB4983A5A056028501A24A7056D64F9@BYAPR12MB4983.namprd12.prod.outlook.com> (raw) In-Reply-To: <DM6PR12MB274857DEB4A438DFA69AD634CF4F9@DM6PR12MB2748.namprd12.prod.outlook.com> 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. > > - 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:[~2021-04-13 9:24 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 [this message] 2021-04-14 12:16 ` Ferruh Yigit 2021-04-15 6:33 ` Raslan Darawsheh 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
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