linux-kernel - Re: [for-next PATCH v5 06/11] RDMA/rxe: Extend rxe packet format to support flush

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 11 Nov 2022 08:55:05 +0000
From:   "lizhijian@...itsu.com" <lizhijian@...itsu.com>
To:     Yanjun Zhu <yanjun.zhu@...ux.dev>,
        Bob Pearson <rpearsonhpe@...il.com>,
        Leon Romanovsky <leon@...nel.org>,
        Jason Gunthorpe <jgg@...pe.ca>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
CC:     Zhu Yanjun <zyjzyj2000@...il.com>,
        "yangx.jy@...itsu.com" <yangx.jy@...itsu.com>,
        "Yasunori Gotou (Fujitsu)" <y-goto@...itsu.com>,
        "mbloch@...dia.com" <mbloch@...dia.com>,
        "liangwenpeng@...wei.com" <liangwenpeng@...wei.com>,
        "tom@...pey.com" <tom@...pey.com>,
        "tomasz.gromadzki@...el.com" <tomasz.gromadzki@...el.com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [for-next PATCH v5 06/11] RDMA/rxe: Extend rxe packet format to
 support flush



On 11/11/2022 16:43, Yanjun Zhu wrote:
>> /******************************************************************************
>>    * Atomic Extended Transport Header
>>    
>> ******************************************************************************/
>> @@ -910,6 +956,7 @@ enum rxe_hdr_length {
>>       RXE_ATMETH_BYTES    = sizeof(struct rxe_atmeth),
>>       RXE_IETH_BYTES        = sizeof(struct rxe_ieth),
>>       RXE_RDETH_BYTES        = sizeof(struct rxe_rdeth),
>> +    RXE_FETH_BYTES        = sizeof(struct rxe_feth),
>>   };
>>   static inline size_t header_size(struct rxe_pkt_info *pkt)
>> diff --git a/drivers/infiniband/sw/rxe/rxe_opcode.c 
>> b/drivers/infiniband/sw/rxe/rxe_opcode.c
>> index d4ba4d506f17..55aad13e57bb 100644
>> --- a/drivers/infiniband/sw/rxe/rxe_opcode.c
>> +++ b/drivers/infiniband/sw/rxe/rxe_opcode.c
>> @@ -101,6 +101,12 @@ struct rxe_wr_opcode_info rxe_wr_opcode_info[] = {
>>               [IB_QPT_UC]    = WR_LOCAL_OP_MASK,
>>           },
>>       },
>> +    [IB_WR_FLUSH]                    = {
>> +        .name   = "IB_WR_FLUSH",
>> +        .mask   = {
>> +            [IB_QPT_RC]    = WR_FLUSH_MASK,
>> +        },
>> +    },
>>   };
> 
> Hi, Zhijian
> 
> I am making tests with it. Except rc, other modes are supported? such as 
> rd, xrc?
> 

Only RC is implemented for FLUSH, current RXE only supports RC service[1].
BTW, XRC is on the way in Bob's patch IIRC.

https://lore.kernel.org/r/cce0f07d-25fc-5880-69e7-001d951750b7@gmail.com



> Zhu Yanjun