Re: [PATCH net] net: fix pskb_trim_rcsum_slow() with odd trim offset

2018-10-20 Thread David Miller
From: Dimitris Michailidis Date: Fri, 19 Oct 2018 17:07:13 -0700 > We've been getting checksum errors involving small UDP packets, usually > 59B packets with 1 extra non-zero padding byte. netdev_rx_csum_fault() > has been complaining that HW is providing bad checksums. Turns out the > problem is

Re: [PATCH net] net: fix pskb_trim_rcsum_slow() with odd trim offset

2018-10-19 Thread Eric Dumazet
On 10/19/2018 05:07 PM, Dimitris Michailidis wrote: > We've been getting checksum errors involving small UDP packets, usually > 59B packets with 1 extra non-zero padding byte. netdev_rx_csum_fault() > has been complaining that HW is providing bad checksums. Turns out the > problem is in pskb_tri

[PATCH net] net: fix pskb_trim_rcsum_slow() with odd trim offset

2018-10-19 Thread Dimitris Michailidis
We've been getting checksum errors involving small UDP packets, usually 59B packets with 1 extra non-zero padding byte. netdev_rx_csum_fault() has been complaining that HW is providing bad checksums. Turns out the problem is in pskb_trim_rcsum_slow(), introduced in commit 88078d98d1bb ("net: pskb_t