Messages in this thread | | | Subject | Re: [PATCH net] net: dsa: felix: fix oversize frame dropping for always closed tc-taprio gates | From | patchwork-bot+netdevbpf@kernel ... | Date | Sat, 19 Aug 2023 01:50:20 +0000 |
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Hello:
This patch was applied to netdev/net.git (main) by Jakub Kicinski <kuba@kernel.org>:
On Thu, 17 Aug 2023 15:01:11 +0300 you wrote: > The blamed commit resolved a bug where frames would still get stuck at > egress, even though they're smaller than the maxSDU[tc], because the > driver did not take into account the extra 33 ns that the queue system > needs for scheduling the frame. > > It now takes that into account, but the arithmetic that we perform in > vsc9959_tas_remaining_gate_len_ps() is buggy, because we operate on > 64-bit unsigned integers, so gate_len_ns - VSC9959_TAS_MIN_GATE_LEN_NS > may become a very large integer if gate_len_ns < 33 ns. > > [...]
Here is the summary with links: - [net] net: dsa: felix: fix oversize frame dropping for always closed tc-taprio gates https://git.kernel.org/netdev/net/c/d44036cad311
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