From: Stephen Hemminger <stephen@networkplumber.org>
To: Ferruh Yigit <ferruh.yigit@xilinx.com>
Cc: Gagandeep Singh <G.Singh@nxp.com>,
Harold Huang <baymaxhuang@gmail.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [PATCH] kni: update kernel API to receive packets
Date: Fri, 15 Apr 2022 07:59:59 -0700 [thread overview]
Message-ID: <20220415075959.27778efd@hermes.local> (raw)
In-Reply-To: <d8b536b2-7fd9-204e-65ee-173a6346d5ce@xilinx.com>
On Fri, 15 Apr 2022 13:30:33 +0100
Ferruh Yigit <ferruh.yigit@xilinx.com> wrote:
> >> But this change would cause KNI kernel module does not work in the old kernel
> >> without this patch. I suggested using netif_rx_ni to keep compatibility.
> >
> > netif_rx() API exists from very older versions of kernel before v2.6. There will be
> > no compilation issues. Only difference was, netif_rx_ni() can be used in noninterrupt contexts
> > to improve performance.
>
> May not be compilation issue, but with old kernels won't the behavior be
> different when 'netif_rx_ni()' switched to 'netif_rx()
Probably best handled by #ifdef on kernel version but will be
a mess for backports to distro kernels.
Looks like:
Older -> New
netif_rx_ni netif_rx
neitf_rx __netif_rx
next prev parent reply other threads:[~2022-04-15 15:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-14 12:23 Gagandeep Singh
2022-04-15 3:24 ` Harold Huang
2022-04-15 4:07 ` Gagandeep Singh
2022-04-15 12:30 ` Ferruh Yigit
2022-04-15 14:59 ` Stephen Hemminger [this message]
2022-04-18 11:33 ` Gagandeep Singh
2022-04-20 5:03 ` Gagandeep Singh
2022-04-20 7:45 ` Wang, Haiyue
2022-04-20 10:39 ` Gagandeep Singh
2022-04-21 3:45 ` [PATCH v2] " Gagandeep Singh
2022-04-21 8:29 ` Ferruh Yigit
2022-04-21 8:59 ` [PATCH v3] " Gagandeep Singh
2022-05-23 9:15 ` Min Hu (Connor)
2022-06-26 13:25 ` Thomas Monjalon
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