>Add support for the BPF_PROG_TYPE_XDP hook in mlx4 driver. > >In tc/socket bpf programs, helpers linearize skb fragments as needed when the >program touches the packet data. However, in the pursuit of speed, XDP >programs will not be allowed to use these slower functions, especially if it >involves allocating an skb. > >Therefore, disallow MTU settings that would produce a multi-fragment packet >that XDP programs would fail to access. Future enhancements could be done to >increase the allowable MTU. > >Signed-off-by: Brenden Blanco <bbla...@plumgrid.com>
Reviewed-by: Tariq Toukan <tar...@mellanox.com>
