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.
*
return &val[8 - size];
}
+/*
+ * Add data to the binary blob at the current offset.
+ *
+ * blob [in] The blob that data is added to. The blob must
+ * be initialized prior to pushing data.
+ *
+ * data [in] 32-bit value to be added to the blob.
+ *
+ * datalen [in] The number of bits to be added ot the blob.
+ *
+ * The offset of the data is updated after each push of data.
+ * NULL returned on error, pointer pushed value otherwise.
+ */
+uint8_t *
+ulp_blob_push_32(struct ulp_blob *blob,
+ uint32_t *data,
+ uint32_t datalen)
+{
+ uint8_t *val = (uint8_t *)data;
+ uint32_t rc;
+ uint32_t size = ULP_BITS_2_BYTE(datalen);
+
+ if (!data || size > sizeof(uint32_t)) {
+ BNXT_TF_DBG(ERR, "invalid argument\n");
+ return 0;
+ }
+
+ rc = ulp_blob_push(blob, &val[sizeof(uint32_t) - size], datalen);
+ if (!rc)
+ return 0;
+
+ return &val[sizeof(uint32_t) - size];
+}
+
/*
* Add encap data to the binary blob at the current offset.
*
*
* datalen [in] The number of bits of pad to add
*
- * returns the number of pad bits added, zero on failure
+ * returns the number of pad bits added, -1 on failure
*/
-uint32_t
+int32_t
ulp_blob_pad_push(struct ulp_blob *blob,
uint32_t datalen)
{
return datalen;
}
+/* Get data from src and put into dst using little-endian format */
+static void
+ulp_bs_get_lsb(uint8_t *src, uint16_t bitpos, uint8_t bitlen, uint8_t *dst)
+{
+ uint8_t bitoffs = bitpos % ULP_BLOB_BYTE;
+ uint16_t index = ULP_BITS_2_BYTE_NR(bitpos);
+ uint8_t mask, partial, shift;
+
+ shift = bitoffs;
+ partial = ULP_BLOB_BYTE - bitoffs;
+ if (bitoffs + bitlen <= ULP_BLOB_BYTE) {
+ mask = ((1 << bitlen) - 1) << shift;
+ *dst = (src[index] & mask) >> shift;
+ } else {
+ mask = ((1 << partial) - 1) << shift;
+ *dst = (src[index] & mask) >> shift;
+ index++;
+ partial = bitlen - partial;
+ mask = ((1 << partial) - 1);
+ *dst |= (src[index] & mask) << (ULP_BLOB_BYTE - bitoffs);
+ }
+}
+
+/* Assuming that src is in little-Endian Format */
+static void
+ulp_bs_pull_lsb(uint8_t *src, uint8_t *dst, uint32_t size,
+ uint32_t offset, uint32_t len)
+{
+ uint32_t idx;
+ uint32_t cnt = ULP_BITS_2_BYTE_NR(len);
+
+ /* iterate bytewise to get data */
+ for (idx = 0; idx < cnt; idx++) {
+ ulp_bs_get_lsb(src, offset, ULP_BLOB_BYTE,
+ &dst[size - 1 - idx]);
+ offset += ULP_BLOB_BYTE;
+ len -= ULP_BLOB_BYTE;
+ }
+
+ /* Extract the last reminder data that is not 8 byte boundary */
+ if (len)
+ ulp_bs_get_lsb(src, offset, len, &dst[size - 1 - idx]);
+}
+
+/*
+ * Extract data from the binary blob using given offset.
+ *
+ * blob [in] The blob that data is extracted from. The blob must
+ * be initialized prior to pulling data.
+ *
+ * data [in] A pointer to put the data.
+ * data_size [in] size of the data buffer in bytes.
+ *offset [in] - Offset in the blob to extract the data in bits format.
+ * len [in] The number of bits to be pulled from the blob.
+ *
+ * Output: zero on success, -1 on failure
+ */
+int32_t
+ulp_blob_pull(struct ulp_blob *blob, uint8_t *data, uint32_t data_size,
+ uint16_t offset, uint16_t len)
+{
+ /* validate the arguments */
+ if (!blob || (offset + len) > blob->bitlen ||
+ ULP_BYTE_2_BITS(data_size) < len) {
+ BNXT_TF_DBG(ERR, "invalid argument\n");
+ return -1; /* failure */
+ }
+
+ if (blob->byte_order == BNXT_ULP_BYTE_ORDER_BE) {
+ BNXT_TF_DBG(ERR, "Big endian pull not implemented\n");
+ return -1; /* failure */
+ }
+ ulp_bs_pull_lsb(blob->data, data, data_size, offset, len);
+ return 0;
+}
+
/*
* Get the data portion of the binary blob.
*
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) {
BNXT_TF_DBG(ERR, "invalid argument\n");
return; /* failure */
}
- idx = ULP_BITS_2_BYTE_NR(blob->encap_swap_idx + 1);
+ 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 reversal byte wise.
+ * This api makes the first byte the last and
+ * vice-versa.
+ *
+ * blob [in] The blob's data to be used for swap.
+ *
+ * returns void.
+ */
+void
+ulp_blob_perform_byte_reverse(struct ulp_blob *blob)
+{
+ uint32_t idx = 0, num = 0;
+ uint8_t xchar;
+
+ /* validate the arguments */
+ if (!blob) {
+ BNXT_TF_DBG(ERR, "invalid argument\n");
+ return; /* failure */
+ }
+
+ num = ULP_BITS_2_BYTE_NR(blob->write_idx);
+ for (idx = 0; idx < (num / 2); idx++) {
+ xchar = blob->data[idx];
+ blob->data[idx] = blob->data[(num - 1) - idx];
+ blob->data[(num - 1) - idx] = xchar;
+ }
+}
+
+/*
+ * 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);
}
/*
{
return buf[0] == 0 && !memcmp(buf, buf + 1, size - 1);
}
+
+/* Function to check if bitmap is zero.Return 1 on success */
+uint32_t ulp_bitmap_is_zero(uint8_t *bitmap, int32_t size)
+{
+ while (size-- > 0) {
+ if (*bitmap != 0)
+ return 0;
+ bitmap++;
+ }
+ return 1;
+}
+
+/* Function to check if bitmap is ones. Return 1 on success */
+uint32_t ulp_bitmap_is_ones(uint8_t *bitmap, int32_t size)
+{
+ while (size-- > 0) {
+ if (*bitmap != 0xFF)
+ return 0;
+ bitmap++;
+ }
+ return 1;
+}
+
+/* Function to check if bitmap is not zero. Return 1 on success */
+uint32_t ulp_bitmap_notzero(uint8_t *bitmap, int32_t size)
+{
+ while (size-- > 0) {
+ if (*bitmap != 0)
+ return 1;
+ bitmap++;
+ }
+ return 0;
+}
git.droids-corp.org / dpdk.git / blobdiff