The GRO library requires that applications set correct values for MBUF->l2_len/l3_len/l4_len/outer_l2_len/outer_l3_len/pkt_len/data_len.
This patch adds the requirement in prog_guide. Signed-off-by: Jiayu Hu <jiayu...@intel.com> --- doc/guides/prog_guide/generic_receive_offload_lib.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/doc/guides/prog_guide/generic_receive_offload_lib.rst b/doc/guides/prog_guide/generic_receive_offload_lib.rst index 9c6a4d0..7e6944d 100644 --- a/doc/guides/prog_guide/generic_receive_offload_lib.rst +++ b/doc/guides/prog_guide/generic_receive_offload_lib.rst @@ -34,6 +34,12 @@ Currently, the GRO library provides GRO supports for TCP/IPv4 packets and VxLAN packets which contain an outer IPv4 header and an inner TCP/IPv4 packet. +.. note:: + To use the GRO library, applications must guarantee that + MBUF->l2_len/l3_len/l4_len/outer_l2_len/outer_l3_len and + MBUF->pkt_len/data_len of input packets are set to correct + values. + Two Sets of API --------------- -- 2.7.4