Function riot_sys::gnrc_icmpv6_calc_csum

source ·

pub unsafe extern "C" fn gnrc_icmpv6_calc_csum(
    hdr: *mut gnrc_pktsnip_t,
    pseudo_hdr: *mut gnrc_pktsnip_t
) -> c_int

Expand description

@brief Calculates the checksum for an ICMPv6 packet.

@param[in] hdr The header the checksum should be calculated for. @param[in] pseudo_hdr The header the pseudo header shall be generated from. NULL if none is needed.

@return 0, on success. @return -EINVAL, if gnrc_pktsnip_t::type of @p pkt was not GNRC_NETTYPE_ICMPV6 @return -ENOENT, if gnrc_pktsnip_t::type of @p pseudo_hdr was not GNRC_NETTYPE_IPV6