From: <il...@mellanox.com> Date: Wed, 19 Apr 2017 21:26:07 +0300 > From: Ilan Tayari <il...@mellanox.com> > > Commit 07b26c9454a2 ("gso: Support partial splitting at the frag_list > pointer") assumes that all SKBs in a frag_list (except maybe the last > one) contain the same amount of GSO payload. > > This assumption is not always correct, resulting in the following > warning message in the log: > skb_segment: too many frags > > For example, mlx5 driver in Striding RQ mode creates some RX SKBs with > one frag, and some with 2 frags. > After GRO, the frag_list SKBs end up having different amounts of payload. > If this frag_list SKB is then forwarded, the aforementioned assumption > is violated. > > Validate the assumption, and fall back to software GSO if it not true. > > Change-Id: Ia03983f4a47b6534dd987d7a2aad96d54d46d212 > Fixes: 07b26c9454a2 ("gso: Support partial splitting at the frag_list > pointer") > Signed-off-by: Ilan Tayari <il...@mellanox.com> > Signed-off-by: Ilya Lesokhin <il...@mellanox.com>
Applied.