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From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: Raslan Darawsheh <rasland@nvidia.com>, dev@dpdk.org
Cc: ferruh.yigit@intel.com, orika@nvidia.com,
	ivan.malov@oktetlabs.ru, ying.a.wang@intel.com,
	olivier.matz@6wind.com, viacheslavo@nvidia.com,
	shirik@nvidia.com
Subject: Re: [dpdk-dev] [PATCH v5 1/1] ethdev: add new ext hdr for gtp psc
Date: Tue, 8 Jun 2021 15:18:51 +0300
Message-ID: <4b981945-6d75-5973-ff9f-fc304c78af4d@oktetlabs.ru> (raw)
In-Reply-To: <06b20c7f-60cf-dbbc-acfb-18f2629476a8@oktetlabs.ru>

On 6/8/21 3:17 PM, Andrew Rybchenko wrote:
> On 4/29/21 11:10 AM, Raslan Darawsheh wrote:
>> Define new rte header for gtp PDU session container
>> based on RFC 38415-g30
>>
>> Signed-off-by: Raslan Darawsheh <rasland@nvidia.com>
>> ---
>>  lib/net/rte_gtp.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 78 insertions(+)
>>
>> diff --git a/lib/net/rte_gtp.h b/lib/net/rte_gtp.h
>> index 6a6f9b238d..5a850a26e4 100644
>> --- a/lib/net/rte_gtp.h
>> +++ b/lib/net/rte_gtp.h
>> @@ -61,6 +61,84 @@ struct rte_gtp_hdr_ext_word {
>>  	uint8_t next_ext;     /**< Next Extension Header Type. */
>>  }  __rte_packed;
>>  
>> +/**
>> + * Optional extension for GTP with next_ext set to 0x85
>> + * defined based on RFC 38415-g30.
>> + */
>> +__extension__
>> +struct rte_gtp_psc_generic_hdr {
>> +	uint8_t ext_hdr_len; /**< PDU ext hdr len in multiples of 4 bytes */
>> +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
>> +	uint8_t type:4; /**< PDU type */
>> +	uint8_t qmp:1; /**< Qos Monitoring Packet */
>> +	uint8_t pad:3; /**< type specfic pad bits */
>> +	uint8_t spare:2; /**< type specific spare bits */
>> +	uint8_t qfi:6; /**< Qos Flow Identifier */
>> +#else
>> +	uint8_t qfi:6; /**< Qos Flow Identifier */
>> +	uint8_t spare:2; /**< type specific spare bits */
>> +	uint8_t pad:3; /**< type specfic pad bits */
>> +	uint8_t qmp:1; /**< Qos Monitoring Packet */
>> +	uint8_t type:4; /**< PDU type */
>> +#endif
>> +	uint8_t data[0]; /**< variable length data feilds */
>> +} __rte_packed;
>> +
>> +/**
>> + * Optional extension for GTP with next_ext set to 0x85
>> + * type0 defined based on RFC 38415-g30
>> + */
>> +__extension__
>> +struct rte_gtp_psc_type0_hdr {
>> +	uint8_t ext_hdr_len; /**< PDU ext hdr len in multiples of 4 bytes */
>> +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
>> +	uint8_t type:4; /**< PDU type */
>> +	uint8_t qmp:1; /**< Qos Monitoring Packet */
>> +	uint8_t snp:1; /**< Sequence number presence */
>> +	uint8_t spare_dl1:2; /**< spare down link bits */
>> +	uint8_t ppp:1; /**< Paging policy presence */
>> +	uint8_t rqi:1; /**< Reflective Qos Indicator */
>> +	uint8_t qfi:6; /**< Qos Flow Identifier */
>> +#else
>> +	uint8_t qfi:6; /**< Qos Flow Identifier */
>> +	uint8_t rqi:1; /**< Reflective Qos Indicator */
>> +	uint8_t ppp:1; /**< Paging policy presence */
>> +	uint8_t spare_dl1:2; /**< spare down link bits */
>> +	uint8_t snp:1; /**< Sequence number presence */
>> +	uint8_t type:4; /**< PDU type */
>> +#endif
>> +	uint8_t data[0]; /**< variable length data feilds */
>> +} __rte_packed;
>> +
>> +/**
>> + * Optional extension for GTP with next_ext set to 0x85
>> + * type1 defined based on RFC 38415-g30
>> + */
>> +__extension__
>> +struct rte_gtp_psc_type1_hdr {
>> +	uint8_t ext_hdr_len; /**< PDU ext hdr len in multiples of 4 bytes */
>> +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
>> +	uint8_t type:4; /**< PDU type */
>> +	uint8_t qmp:1; /**< Qos Monitoring Packet */
>> +	uint8_t dl_delay_ind:1; /**< dl delay result presence */
>> +	uint8_t ul_delay_ind:1; /**< ul delay result presence */
>> +	uint8_t snp:1; /**< Sequence number presence ul */
>> +	uint8_t n_delay_ind:1; /**< N3/N9 delay result presence */
>> +	uint8_t spare_ul2:1; /**< spare up link bits */
>> +	uint8_t qfi:6; /**< Qos Flow Identifier */
>> +#else
>> +	uint8_t qfi:6; /**< Qos Flow Identifier */
>> +	uint8_t spare_ul2:1; /**< spare up link bits */
>> +	uint8_t n_delay_ind:1; /**< N3/N9 delay result presence */
>> +	uint8_t snp:1; /**< Sequence number presence ul */
>> +	uint8_t ul_delay_ind:1; /**< ul delay result presence */
>> +	uint8_t dl_delay_ind:1; /**< dl delay result presence */
>> +	uint8_t qmp:1; /**< Qos Monitoring Packet */
>> +	uint8_t type:4; /**< PDU type */
>> +#endif
>> +	uint8_t data[0]; /**< variable length data feilds */
>> +} __rte_packed;
>> +
>>  /** GTP header length */
>>  #define RTE_ETHER_GTP_HLEN \
>>  	(sizeof(struct rte_udp_hdr) + sizeof(struct rte_gtp_hdr))
>>
> 
> This way the structure is very hard to read.
> May I ask to indent field comments as it is done in
> other rte_net structures (e.g. rte_ipv4_hdr, rte_udp_hdr,
> rte_geneve_hdr). Personally I don't care if it will be
> indent by TABs or spaces, however, it looks like TABs are
> used in more places.
> 

Also there are spelling bugs [1].

[1] http://mails.dpdk.org/archives/test-report/2021-April/191649.html

  reply	other threads:[~2021-06-08 12:18 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-23 12:11 [dpdk-dev] [PATCH] ethdev: update qfi definition 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
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 [this message]
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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