mbuf_set_csum_performed

Declaration

errno_t mbuf_set_csum_performed(mbuf_t mbuf, mbuf_csum_performed_flags_t flags, u_int32_t value);

Parameters

• mbuf:

  The mbuf containing the packet.

• flags:

  Flags indicating which hardware checksum operations were performed.

• value:

  If the MBUF_CSUM_DID_DATA flag is set, value should be set to the value of the TCP or UDP header as calculated by the hardware.

Return Value

0 upon success otherwise the errno error.

Discussion

This is used by the driver to indicate to the stack which checksum operations were performed in hardware.