RXRPC_SACK_SIZE
u8 ackr_sack_table[RXRPC_SACK_SIZE];
sack = (sack + 1) % RXRPC_SACK_SIZE;
sack = (sack + 1) % RXRPC_SACK_SIZE;
sack = (sack + slot) % RXRPC_SACK_SIZE;
if (call->ackr_sack_table[sack % RXRPC_SACK_SIZE]) {
call->ackr_sack_table[sack % RXRPC_SACK_SIZE] |= 1;
sack = call->ackr_sack_base % RXRPC_SACK_SIZE;
wrap = RXRPC_SACK_SIZE - sack;
to = umin(ack->nAcks, RXRPC_SACK_SIZE);
if (sack + ack->nAcks <= RXRPC_SACK_SIZE) {