On Fri, Apr 03, 2026 at 03:00:48PM +0000, Ujjal Roy wrote: > In IGMP, QQIC and MRC fields are not correctly encoded > when generating query packets. Since the receiver of the > query interprets these fields using the IGMPv3 floating- > point decoding logic, any value that exceeds the linear > threshold is incorrectly parsed as an exponential value, > leading to an incorrect interval calculation. > > Encode and assign the corresponding protocol fields during > query generation. Introduce the logic to dynamically > calculate the exponent and mantissa using bit-scan (fls). > This ensures QQIC and MRC fields (8-bit) are properly > encoded when transmitting query packets with intervals > that exceed their respective linear threshold value of > 128 (for QQI/MRT). > > RFC 3376: if QQIC/MRC >= 128, the QQIC/MRC field represents > a floating-point value as follows: > 0 1 2 3 4 5 6 7 > +-+-+-+-+-+-+-+-+ > |1| exp | mant | > +-+-+-+-+-+-+-+-+ > > Signed-off-by: Ujjal Roy <[email protected]>
Same comments as on the previous patches, but otherwise LGTM
