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quic: reduce padding for small packets #3178

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quic: reduce padding for small packets #3178

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5 changes: 2 additions & 3 deletions src/waltz/quic/fd_quic.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4157,9 +4157,8 @@ fd_quic_conn_tx( fd_quic_t * quic,
FD_QUIC_CRYPTO_TAG_SZ;
uint padding = initial_pkt ? FD_QUIC_INITIAL_PAYLOAD_SZ_MIN - base_pkt_len : 0u;

/* TODO possibly don't need both SAMPLE_SZ and TAG_SZ */
if( base_pkt_len + padding < ( FD_QUIC_CRYPTO_SAMPLE_SZ + FD_QUIC_CRYPTO_TAG_SZ ) ) {
padding = FD_QUIC_CRYPTO_SAMPLE_SZ + FD_QUIC_CRYPTO_TAG_SZ - base_pkt_len;
if( base_pkt_len + padding < FD_QUIC_CRYPTO_SAMPLE_SZ ) {
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This should be

if( pkt_number_len + tot_frame_sz + padding < 4 ) {
  padding = 4 - pkt_number_len
}

padding = FD_QUIC_CRYPTO_SAMPLE_SZ - base_pkt_len;
}

/* this length includes the packet number length (pkt_number_len+1),
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