Add zsda compressdev dequeue datapath.
Signed-off-by: Hanxiao Li <li.hanx...@zte.com.cn>
---
drivers/common/zsda/zsda_qp.c | 56 ++++++++++
drivers/common/zsda/zsda_qp.h | 1 +
drivers/common/zsda/zsda_qp_common.h | 4 +
drivers/compress/zsda/zsda_comp.c | 155 ++++++++++++++++++++++++++
drivers/compress/zsda/zsda_comp.h | 9 ++
drivers/compress/zsda/zsda_comp_pmd.c | 11 +-
6 files changed, 235 insertions(+), 1 deletion(-)
diff --git a/drivers/common/zsda/zsda_qp.c b/drivers/common/zsda/zsda_qp.c
index c85b9ddb75..0ef7cac585 100644
--- a/drivers/common/zsda/zsda_qp.c
+++ b/drivers/common/zsda/zsda_qp.c
@@ -888,3 +888,59 @@ zsda_enqueue_burst(struct zsda_qp *qp, void **ops, const
uint16_t nb_ops)
return nb_send;
}
+
+static void
+zsda_dequeue(struct qp_srv *srv, void **ops, const uint16_t nb_ops, uint16_t
*nb)
+{
+ uint16_t head;
+ struct zsda_cqe *cqe;
+ struct zsda_queue *queue = &srv->rx_q;
+ struct zsda_op_cookie *cookie;
+ head = queue->head;
+
+ while (*nb < nb_ops) {
+ cqe = (struct zsda_cqe *)(
+ (uint8_t *)queue->base_addr + head * queue->msg_size);
+
+ if (!CQE_VALID(cqe->err1))
+ break;
+ cookie = srv->op_cookies[cqe->sid];
+
+ ops[*nb] = cookie->op;
+ if (srv->rx_cb(cookie, cqe) == ZSDA_SUCCESS)
+ srv->stats.dequeued_count++;
+ else {
+ ZSDA_LOG(ERR,
+ "ERR! Cqe, opcode 0x%x, sid 0x%x, "
+ "tx_real_length 0x%x, err0 0x%x, err1 0x%x",
+ cqe->op_code, cqe->sid, cqe->tx_real_length,
+ cqe->err0, cqe->err1);
+ srv->stats.dequeue_err_count++;
+ }
+ (*nb)++;
+ cookie->used = false;
+
+ head = zsda_modulo_16(head + 1, queue->modulo_mask);
+ queue->head = head;
+ WRITE_CSR_CQ_HEAD(queue->io_addr, queue->hw_queue_number, head);
+ memset(cqe, 0x0, sizeof(struct zsda_cqe));
+ }
+}
+
+uint16_t
+zsda_dequeue_burst(struct zsda_qp *qp, void **ops, const uint16_t nb_ops)
+{
+ uint16_t nb = 0;
+ uint32_t type = 0;
+ struct qp_srv *srv;
+
+ for (type = 0; type < ZSDA_SERVICE_INVALID; type++) {
+ if (!qp->srv[type].used)
+ continue;
+ srv = &qp->srv[type];
+ zsda_dequeue(srv, ops, nb_ops, &nb);
+ if (nb >= nb_ops)
+ return nb_ops;
+ }
+ return nb;
+}
diff --git a/drivers/common/zsda/zsda_qp.h b/drivers/common/zsda/zsda_qp.h
index 96fc38ea09..45d37a7905 100644
--- a/drivers/common/zsda/zsda_qp.h
+++ b/drivers/common/zsda/zsda_qp.h
@@ -189,5 +189,6 @@ int zsda_task_queue_setup(struct zsda_pci_device
*zsda_pci_dev,
struct zsda_qp *qp, struct task_queue_info
*task_q_info);
uint16_t zsda_enqueue_burst(struct zsda_qp *qp, void **ops, const uint16_t
nb_ops);
+uint16_t zsda_dequeue_burst(struct zsda_qp *qp, void **ops, const uint16_t
nb_ops);
#endif /* _ZSDA_QP_H_ */
diff --git a/drivers/common/zsda/zsda_qp_common.h
b/drivers/common/zsda/zsda_qp_common.h
index 49d317d007..be18bd60dd 100644
--- a/drivers/common/zsda/zsda_qp_common.h
+++ b/drivers/common/zsda/zsda_qp_common.h
@@ -51,6 +51,10 @@ enum zsda_service_type {
#define ZSDA_OPC_DECOMP_ZLIB 0x19 /* Decomp inflate-Zlib */
#define ZSDA_OPC_INVALID 0xff
+#define CQE_VALID(value) (value & 0x8000)
+#define CQE_ERR0(value) (value & 0xFFFF)
+#define CQE_ERR1(value) (value & 0x7FFF)
+
enum wqe_element_type {
WQE_ELM_TYPE_PHYS_ADDR = 1,
WQE_ELM_TYPE_LIST,
diff --git a/drivers/compress/zsda/zsda_comp.c
b/drivers/compress/zsda/zsda_comp.c
index 608c50c49a..af57c237b2 100644
--- a/drivers/compress/zsda/zsda_comp.c
+++ b/drivers/compress/zsda/zsda_comp.c
@@ -10,6 +10,83 @@
#define GZIP_TRAILER_SIZE 8
#define CHECKSUM_SIZE 4
+#define POLYNOMIAL 0xEDB88320
+static uint32_t crc32_table[8][256];
+static int table_config;
+
+static void
+crc32_table_build(void)
+{
+ for (uint32_t i = 0; i < 256; i++) {
+ uint32_t crc = i;
+ for (uint32_t j = 0; j < 8; j++)
+ crc = (crc >> 1) ^ ((crc & 1) ? POLYNOMIAL : 0);
+ crc32_table[0][i] = crc;
+ }
+
+ for (int i = 1; i < 8; i++) {
+ for (uint32_t j = 0; j < 256; j++)
+ crc32_table[i][j] = (crc32_table[i-1][j] >> 8) ^
+ crc32_table[0][crc32_table[i-1][j] &
0xFF];
+ }
+ table_config = 1;
+}
+
+static uint32_t
+zsda_crc32(const uint8_t *data, size_t length)
+{
+ uint32_t crc = 0xFFFFFFFF;
+
+ if (!table_config)
+ crc32_table_build();
+
+ while (length >= 8) {
+ crc ^= *(const uint32_t *)data;
+ crc = crc32_table[7][crc & 0xFF] ^
+ crc32_table[6][(crc >> 8) & 0xFF] ^
+ crc32_table[5][(crc >> 16) & 0xFF] ^
+ crc32_table[4][(crc >> 24) & 0xFF] ^
+ crc32_table[3][data[4]] ^
+ crc32_table[2][data[5]] ^
+ crc32_table[1][data[6]] ^
+ crc32_table[0][data[7]];
+
+ data += 8;
+ length -= 8;
+ }
+
+ for (size_t i = 0; i < length; i++)
+ crc = (crc >> 8) ^ crc32_table[0][(crc ^ data[i]) & 0xFF];
+
+ return crc ^ 0xFFFFFFFF;
+}
+
+#define MOD_ADLER 65521
+#define NMAX 5552
+static uint32_t
+zsda_adler32(const uint8_t *buf, uint32_t len)
+{
+ uint32_t s1 = 1;
+ uint32_t s2 = 0;
+
+ while (len > 0) {
+ uint32_t k = (len < NMAX) ? len : NMAX;
+ len -= k;
+
+ for (uint32_t i = 0; i < k; i++) {
+ s1 += buf[i];
+ s2 += s1;
+ }
+
+ s1 %= MOD_ADLER;
+ s2 %= MOD_ADLER;
+
+ buf += k;
+ }
+
+ return (s2 << 16) | s1;
+}
+
int
zsda_comp_match(const void *op_in)
{
@@ -231,3 +308,81 @@ zsda_decomp_request_build(void *op_in, const struct
zsda_queue *queue,
return ret;
}
+
+static uint32_t
+zsda_chksum_read(uint8_t *data_addr, uint8_t op_code, uint32_t produced)
+{
+ uint8_t *chk_addr;
+ uint32_t chksum = 0;
+ int i = 0;
+
+ if (op_code == ZSDA_OPC_COMP_ZLIB) {
+ chk_addr = data_addr + produced - ZLIB_TRAILER_SIZE;
+ for (i = 0; i < CHECKSUM_SIZE; i++) {
+ chksum = chksum << 8;
+ chksum |= (*(chk_addr + i));
+ }
+ } else if (op_code == ZSDA_OPC_COMP_GZIP) {
+ chk_addr = data_addr + produced - GZIP_TRAILER_SIZE;
+ for (i = 0; i < CHECKSUM_SIZE; i++)
+ chksum |= (*(chk_addr + i) << (i * 8));
+ }
+
+ return chksum;
+}
+
+int
+zsda_comp_callback(void *cookie_in, struct zsda_cqe *cqe)
+{
+ struct zsda_op_cookie *tmp_cookie = cookie_in;
+ struct rte_comp_op *tmp_op = tmp_cookie->op;
+ uint8_t *data_addr =
+ (uint8_t *)tmp_op->m_dst->buf_addr + tmp_op->m_dst->data_off;
+ uint32_t chksum = 0;
+ uint16_t head_len;
+ uint16_t tail_len;
+
+ if (tmp_cookie->decomp_no_tail && CQE_ERR0_RIGHT(cqe->err0))
+ cqe->err0 = 0x0000;
+
+ if (!(CQE_ERR0(cqe->err0) || CQE_ERR1(cqe->err1)))
+ tmp_op->status = RTE_COMP_OP_STATUS_SUCCESS;
+ else {
+ tmp_op->status = RTE_COMP_OP_STATUS_ERROR;
+ return ZSDA_FAILED;
+ }
+
+ /* handle chksum */
+ tmp_op->produced = cqe->tx_real_length;
+ if (cqe->op_code == ZSDA_OPC_COMP_ZLIB) {
+ head_len = ZLIB_HEADER_SIZE;
+ tail_len = ZLIB_TRAILER_SIZE;
+ chksum = zsda_chksum_read(data_addr, cqe->op_code,
+ tmp_op->produced - head_len);
+ }
+ if (cqe->op_code == ZSDA_OPC_COMP_GZIP) {
+ head_len = GZIP_HEADER_SIZE;
+ tail_len = GZIP_TRAILER_SIZE;
+ chksum = zsda_chksum_read(data_addr, cqe->op_code,
+ tmp_op->produced - head_len);
+ } else if (cqe->op_code == ZSDA_OPC_DECOMP_ZLIB) {
+ head_len = ZLIB_HEADER_SIZE;
+ tail_len = ZLIB_TRAILER_SIZE;
+ chksum = zsda_adler32(data_addr, tmp_op->produced);
+ } else if (cqe->op_code == ZSDA_OPC_DECOMP_GZIP) {
+ head_len = GZIP_HEADER_SIZE;
+ tail_len = GZIP_TRAILER_SIZE;
+ chksum = zsda_crc32(data_addr, tmp_op->produced);
+ }
+ tmp_op->output_chksum = chksum;
+
+ if (cqe->op_code == ZSDA_OPC_COMP_ZLIB ||
+ cqe->op_code == ZSDA_OPC_COMP_GZIP) {
+ /* remove tail data*/
+ rte_pktmbuf_trim(tmp_op->m_dst, GZIP_TRAILER_SIZE);
+ /* remove head and tail length */
+ tmp_op->produced = tmp_op->produced - (head_len + tail_len);
+ }
+
+ return ZSDA_SUCCESS;
+}
diff --git a/drivers/compress/zsda/zsda_comp.h
b/drivers/compress/zsda/zsda_comp.h
index f9e8bc4043..5aeb72a245 100644
--- a/drivers/compress/zsda/zsda_comp.h
+++ b/drivers/compress/zsda/zsda_comp.h
@@ -24,6 +24,14 @@ struct __rte_packed_begin zsda_wqe_comp {
struct compress_cfg cfg;
} __rte_packed_end;
+/* For situations where err0 are reported but the results are correct */
+#define DECOMP_RIGHT_ERR0_0 0xC710
+#define DECOMP_RIGHT_ERR0_1 0xC727
+#define DECOMP_RIGHT_ERR0_2 0xC729
+#define CQE_ERR0_RIGHT(value)
\
+ (value == DECOMP_RIGHT_ERR0_0 || value == DECOMP_RIGHT_ERR0_1 || \
+ value == DECOMP_RIGHT_ERR0_2)
+
int zsda_comp_match(const void *op_in);
int zsda_decomp_match(const void *op_in);
@@ -32,5 +40,6 @@ int zsda_comp_request_build(void *op_in, const struct
zsda_queue *queue,
int zsda_decomp_request_build(void *op_in, const struct zsda_queue *queue,
void **op_cookies, const uint16_t new_tail);
+int zsda_comp_callback(void *cookie_in, struct zsda_cqe *cqe);
#endif /* _ZSDA_COMP_H_ */
diff --git a/drivers/compress/zsda/zsda_comp_pmd.c
b/drivers/compress/zsda/zsda_comp_pmd.c
index d9e444972b..dc8b07f5f7 100644
--- a/drivers/compress/zsda/zsda_comp_pmd.c
+++ b/drivers/compress/zsda/zsda_comp_pmd.c
@@ -243,6 +243,7 @@ zsda_comp_qp_setup(struct rte_compressdev *dev, uint16_t
qp_id,
task_q_info.nb_des = nb_des;
task_q_info.socket_id = socket_id;
task_q_info.qp_id = qp_id;
+ task_q_info.rx_cb = zsda_comp_callback;
task_q_info.type = ZSDA_SERVICE_COMPRESSION;
task_q_info.service_str = "comp";
@@ -300,6 +301,14 @@ zsda_comp_pmd_enqueue_op_burst(void *qp, struct
rte_comp_op **ops,
nb_ops);
}
+static uint16_t
+zsda_comp_pmd_dequeue_op_burst(void *qp, struct rte_comp_op **ops,
+ uint16_t nb_ops)
+{
+ return zsda_dequeue_burst((struct zsda_qp *)qp, (void **)ops,
+ nb_ops);
+}
+
int
zsda_comp_dev_create(struct zsda_pci_device *zsda_pci_dev)
{
@@ -338,7 +347,7 @@ zsda_comp_dev_create(struct zsda_pci_device *zsda_pci_dev)
compressdev->dev_ops = &compress_zsda_ops;
compressdev->enqueue_burst = zsda_comp_pmd_enqueue_op_burst;
- compressdev->dequeue_burst = NULL;
+ compressdev->dequeue_burst = zsda_comp_pmd_dequeue_op_burst;
compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
--
2.27.0
