Monday, November 18, 2019 6:12 PM, Stephen Hemminger: > Subject: Re: [dpdk-dev] [PATCH] mbuf: extend pktmbuf pool private > structure > > On Mon, 18 Nov 2019 10:02:55 +0000 > Shahaf Shuler <shah...@mellanox.com> wrote: > > > With the API and ABI freeze ahead, it will be good to reserve some > > bits on the private structure for future use. > > > > Otherwise we will potentially need to maintain two different private > > structure during 2020 period. > > > > There is already one use case for those reserved bits[1] > > > > The reserved field should be set to 0 by the user. > > > > [1] > > > https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc > > > hes.dpdk.org%2Fpatch%2F63077%2F&data=02%7C01%7Cshahafs%40m > ellanox. > > > com%7C261be5d5bd344538663c08d76c420fcb%7Ca652971c7d2e4d9ba6a4d14 > 9256f4 > > > 61b%7C0%7C0%7C637096903295807188&sdata=ruzHICpeUCNXbw4XXD > Xj1ZOP35Z > > ZoUtgWbSPHYSKDFo%3D&reserved=0 > > > > Signed-off-by: Shahaf Shuler <shah...@mellanox.com> > > --- > > Understand the motivation but in my experience until you know what it is > for, this doesn't work. And it creates lots of dead ends.
See cross reference [1]. I already have use case for it and understand how it is going to be used. This is exactly why I am pushing this patch for 19.11. > > https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.wi > kipedia.org%2Fwiki%2FYou_aren%2527t_gonna_need_it&data=02%7C0 > 1%7Cshahafs%40mellanox.com%7C261be5d5bd344538663c08d76c420fcb%7C > a652971c7d2e4d9ba6a4d149256f461b%7C0%7C0%7C637096903295807188&a > mp;sdata=U8wYu7M85a9F%2BrGxaaxpOce6Pedh4THo4%2Fi03Sj2OV0%3D& > amp;reserved=0