ixgbe: Extend cls_u32 offload to support UDP headers
Added support to match on UDP fields in the transport layer. Extended core logic to support multiple headers. Verified with the following filters : handle 1: u32 divisor 1 u32 ht 800: order 1 link 1: \ offset at 0 mask 0f00 shift 6 plus 0 eat match ip protocol 6 ff u32 ht 1: order 2 \ match tcp src 1024 ffff match tcp dst 23 ffff action drop handle 2: u32 divisor 1 u32 ht 800: order 3 link 2: \ offset at 0 mask 0f00 shift 6 plus 0 eat match ip protocol 17 ff u32 ht 2: order 4 \ match udp src 1025 ffff match udp dst 24 ffff action drop Signed-off-by: NAmritha Nambiar <amritha.nambiar@intel.com> Acked-by: NJohn Fastabend <john.r.fastabend@intel.com> Acked-by: NSridhar Samudrala <sridhar.samudrala@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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