Update check_mux to avoid multiplexing small inbound frames.
Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
---
drivers/baseband/acc100/rte_acc100_pmd.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
@@ -3551,20 +3551,25 @@ acc100_enqueue_enc_cb(struct rte_bbdev_queue_data *q_data,
}
/* Check we can mux encode operations with common FCW */
-static inline bool
+static inline int16_t
check_mux(struct rte_bbdev_enc_op **ops, uint16_t num) {
uint16_t i;
if (num <= 1)
- return false;
+ return 1;
for (i = 1; i < num; ++i) {
/* Only mux compatible code blocks */
if (memcmp((uint8_t *)(&ops[i]->ldpc_enc) + ACC100_ENC_OFFSET,
(uint8_t *)(&ops[0]->ldpc_enc) +
ACC100_ENC_OFFSET,
ACC100_CMP_ENC_SIZE) != 0)
- return false;
+ return i;
}
- return true;
+ /* Avoid multiplexing small inbound size frames */
+ int Kp = (ops[0]->ldpc_enc.basegraph == 1 ? 22 : 10) *
+ ops[0]->ldpc_enc.z_c - ops[0]->ldpc_enc.n_filler;
+ if (Kp <= ACC100_LIMIT_DL_MUX_BITS)
+ return 1;
+ return num;
}
/** Enqueue encode operations for ACC100 device in CB mode. */
@@ -3586,7 +3591,8 @@ acc100_enqueue_ldpc_enc_cb(struct rte_bbdev_queue_data *q_data,
}
avail--;
enq = RTE_MIN(left, ACC100_MUX_5GDL_DESC);
- if (check_mux(&ops[i], enq)) {
+ enq = check_mux(&ops[i], enq);
+ if (enq > 1) {
ret = enqueue_ldpc_enc_n_op_cb(q, &ops[i],
desc_idx, enq);
if (ret < 0) {