diff options
Diffstat (limited to 'lib/libavtp/src/avtp.c')
-rw-r--r-- | lib/libavtp/src/avtp.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/lib/libavtp/src/avtp.c b/lib/libavtp/src/avtp.c deleted file mode 100644 index e3132457..00000000 --- a/lib/libavtp/src/avtp.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2017, Intel Corporation - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Intel Corporation nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <arpa/inet.h> -#include <stddef.h> - -#include "avtp.h" -#include "util.h" - -#define SHIFT_SUBTYPE (31 - 7) -#define SHIFT_VERSION (31 - 11) - -#define MASK_SUBTYPE (BITMASK(8) << SHIFT_SUBTYPE) -#define MASK_VERSION (BITMASK(3) << SHIFT_VERSION) - -int avtp_pdu_get(const struct avtp_common_pdu *pdu, enum avtp_field field, - uint32_t *val) -{ - uint32_t bitmap, mask; - uint8_t shift; - - if (!pdu || !val) - return -EINVAL; - - switch (field) { - case AVTP_FIELD_SUBTYPE: - mask = MASK_SUBTYPE; - shift = SHIFT_SUBTYPE; - break; - case AVTP_FIELD_VERSION: - mask = MASK_VERSION; - shift = SHIFT_VERSION; - break; - default: - return -EINVAL; - } - - bitmap = ntohl(pdu->subtype_data); - - *val = BITMAP_GET_VALUE(bitmap, mask, shift); - - return 0; -} - -int avtp_pdu_set(struct avtp_common_pdu *pdu, enum avtp_field field, - uint32_t value) -{ - uint32_t bitmap, mask; - uint8_t shift; - - if (!pdu) - return -EINVAL; - - switch (field) { - case AVTP_FIELD_SUBTYPE: - mask = MASK_SUBTYPE; - shift = SHIFT_SUBTYPE; - break; - case AVTP_FIELD_VERSION: - mask = MASK_VERSION; - shift = SHIFT_VERSION; - break; - default: - return -EINVAL; - } - - bitmap = ntohl(pdu->subtype_data); - - BITMAP_SET_VALUE(bitmap, value, mask, shift); - - pdu->subtype_data = htonl(bitmap); - - return 0; -} |