/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2019 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
* All rights reserved.
*/
return datalen;
}
+/*
+ * Insert data into the binary blob at the given offset.
+ *
+ * blob [in] The blob that data is added to. The blob must
+ * be initialized prior to pushing data.
+ *
+ * offset [in] The offset where the data needs to be inserted.
+ *
+ * data [in/out] A pointer to bytes to be added to the blob.
+ *
+ * datalen [in] The number of bits to be added to the blob.
+ *
+ * The offset of the data is updated after each push of data.
+ * NULL returned on error.
+ */
+uint32_t
+ulp_blob_insert(struct ulp_blob *blob, uint32_t offset,
+ uint8_t *data, uint32_t datalen)
+{
+ uint32_t rc;
+ uint8_t local_data[BNXT_ULP_FLMP_BLOB_SIZE];
+ uint16_t mov_len;
+
+ /* validate the arguments */
+ if (!blob || datalen > (uint32_t)(blob->bitlen - blob->write_idx) ||
+ offset > blob->write_idx) {
+ BNXT_TF_DBG(ERR, "invalid argument\n");
+ return 0; /* failure */
+ }
+
+ mov_len = blob->write_idx - offset;
+ /* If offset and data len are not 8 bit aligned then return error */
+ if (ULP_BITS_IS_BYTE_NOT_ALIGNED(offset) ||
+ ULP_BITS_IS_BYTE_NOT_ALIGNED(datalen)) {
+ BNXT_TF_DBG(ERR, "invalid argument, not aligned\n");
+ return 0; /* failure */
+ }
+
+ /* copy the data so we can move the data */
+ memcpy(local_data, &blob->data[ULP_BITS_2_BYTE_NR(offset)],
+ ULP_BITS_2_BYTE(mov_len));
+ blob->write_idx = offset;
+ if (blob->byte_order == BNXT_ULP_BYTE_ORDER_BE)
+ rc = ulp_bs_push_msb(blob->data,
+ blob->write_idx,
+ datalen,
+ data);
+ else
+ rc = ulp_bs_push_lsb(blob->data,
+ blob->write_idx,
+ datalen,
+ data);
+ if (!rc) {
+ BNXT_TF_DBG(ERR, "Failed ro write blob\n");
+ return 0;
+ }
+ /* copy the previously stored data */
+ memcpy(&blob->data[ULP_BITS_2_BYTE_NR(offset + datalen)], local_data,
+ ULP_BITS_2_BYTE(mov_len));
+ blob->write_idx += (mov_len + datalen);
+ return datalen;
+}
+
/*
* Add data to the binary blob at the current offset.
*
void
ulp_blob_perform_encap_swap(struct ulp_blob *blob)
{
- uint32_t i, idx = 0, end_idx = 0;
- uint8_t temp_val_1, temp_val_2;
+ uint32_t i, idx = 0, end_idx = 0, roundoff;
+ uint8_t temp_val_1, temp_val_2;
/* validate the arguments */
if (!blob) {
}
idx = ULP_BITS_2_BYTE_NR(blob->encap_swap_idx);
end_idx = ULP_BITS_2_BYTE(blob->write_idx);
-
+ roundoff = ULP_BYTE_2_BITS(ULP_BITS_2_BYTE(end_idx));
+ if (roundoff > end_idx) {
+ blob->write_idx += ULP_BYTE_2_BITS(roundoff - end_idx);
+ end_idx = roundoff;
+ }
while (idx <= end_idx) {
for (i = 0; i < 4; i = i + 2) {
temp_val_1 = blob->data[idx + i];
}
}
+/*
+ * Perform the blob buffer 64 bit word swap.
+ * This api makes the first 4 bytes the last in
+ * a given 64 bit value and vice-versa.
+ *
+ * blob [in] The blob's data to be used for swap.
+ *
+ * returns void.
+ */
+void
+ulp_blob_perform_64B_word_swap(struct ulp_blob *blob)
+{
+ uint32_t i, j, num;
+ uint8_t xchar;
+ uint32_t word_size = ULP_64B_IN_BYTES / 2;
+
+ /* validate the arguments */
+ if (!blob) {
+ BNXT_TF_DBG(ERR, "invalid argument\n");
+ return; /* failure */
+ }
+ num = ULP_BITS_2_BYTE(blob->write_idx);
+ for (i = 0; i < num; i = i + ULP_64B_IN_BYTES) {
+ for (j = 0; j < word_size; j++) {
+ xchar = blob->data[i + j];
+ blob->data[i + j] = blob->data[i + j + word_size];
+ blob->data[i + j + word_size] = xchar;
+ }
+ }
+}
+
+/*
+ * Perform the blob buffer 64 bit byte swap.
+ * This api makes the first byte the last in
+ * a given 64 bit value and vice-versa.
+ *
+ * blob [in] The blob's data to be used for swap.
+ *
+ * returns void.
+ */
+void
+ulp_blob_perform_64B_byte_swap(struct ulp_blob *blob)
+{
+ uint32_t i, j, num;
+ uint8_t xchar;
+ uint32_t offset = ULP_64B_IN_BYTES - 1;
+
+ /* validate the arguments */
+ if (!blob) {
+ BNXT_TF_DBG(ERR, "invalid argument\n");
+ return; /* failure */
+ }
+ num = ULP_BITS_2_BYTE(blob->write_idx);
+ for (i = 0; i < num; i = i + ULP_64B_IN_BYTES) {
+ for (j = 0; j < (ULP_64B_IN_BYTES / 2); j++) {
+ xchar = blob->data[i + j];
+ blob->data[i + j] = blob->data[i + offset - j];
+ blob->data[i + offset - j] = xchar;
+ }
+ }
+}
+
/*
* Read data from the operand
*
* dst [out] The destination buffer
* src [in] The source buffer dst
* size[in] size of the buffer.
+ * align[in] The alignment is either 8 or 16.
*/
void
ulp_encap_buffer_copy(uint8_t *dst,
const uint8_t *src,
- uint16_t size)
+ uint16_t size,
+ uint16_t align)
{
- uint16_t idx = 0;
-
- /* copy 2 bytes at a time. Write MSB to LSB */
- while ((idx + sizeof(uint16_t)) <= size) {
- memcpy(&dst[idx], &src[size - idx - sizeof(uint16_t)],
- sizeof(uint16_t));
- idx += sizeof(uint16_t);
- }
+ uint16_t idx, tmp_size = 0;
+
+ do {
+ dst += tmp_size;
+ src += tmp_size;
+ idx = 0;
+ if (size > align) {
+ tmp_size = align;
+ size -= align;
+ } else {
+ tmp_size = size;
+ size = 0;
+ }
+ /* copy 2 bytes at a time. Write MSB to LSB */
+ while ((idx + sizeof(uint16_t)) <= tmp_size) {
+ memcpy(&dst[idx],
+ &src[tmp_size - idx - sizeof(uint16_t)],
+ sizeof(uint16_t));
+ idx += sizeof(uint16_t);
+ }
+ } while (size);
}
/*
git.droids-corp.org / dpdk.git / blobdiff