[REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Arjun V. <hidden> · 2016-06-23
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Eric Dumazet <edumazet@google.com> · 2016-06-23
RE: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Arjun V. <hidden> · 2016-06-24
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Eric Dumazet <edumazet@google.com> · 2016-06-24
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Eric Dumazet <hidden> · 2016-06-24
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Arjun V <hidden> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Eric Dumazet <hidden> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Arjun V <hidden> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Eric Dumazet <hidden> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Arjun V <hidden> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Eric Dumazet <hidden> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Eric Dumazet <hidden> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Neal Cardwell <ncardwell@google.com> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Eric Dumazet <hidden> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Neal Cardwell <ncardwell@google.com> · 2016-06-27
Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time") · Arjun V <hidden> · 2016-06-27
[PATCH net] tcp: do not send too big packets at retransmit time · Eric Dumazet <hidden> · 2016-06-27
Re: [PATCH net] tcp: do not send too big packets at retransmit time · Neal Cardwell <ncardwell@google.com> · 2016-06-27
Re: [PATCH net] tcp: do not send too big packets at retransmit time · David Miller <davem@davemloft.net> · 2016-06-29

Re: [REGRESSION, bisect]cxgb4 port failure with TSO traffic after commit 10d3be569243def8("tcp-tso: do not split TSO packets at retransmit time")

From: Eric Dumazet <hidden>
Date: 2016-06-27 10:50:24

On Mon, 2016-06-27 at 15:24 +0530, Arjun V wrote:

Applied your patch.
The above debug print is not getting invoked, when skb->len is greater than 65536.

Interesting.

It looks like we might have a bug in tcp_shift_skb_data() not respecting
sk->sk_gso_max_size at all ...

I will send a patch.

Thanks.

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