From: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> Add function implementing memset and memcmp on packet object.
Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> --- /** Email created from pull request 34 (lumag:crypto-update-main-new) ** https://github.com/Linaro/odp/pull/34 ** Patch: https://github.com/Linaro/odp/pull/34.patch ** Base sha: 826ee894aa0ebd09d42a17e1de077c46bc5b366a ** Merge commit sha: 7c49c61063e2d57f049a5436cf12a3c36710bb34 **/ .../linux-generic/include/odp_packet_internal.h | 6 +++ platform/linux-generic/odp_packet.c | 48 ++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/platform/linux-generic/include/odp_packet_internal.h b/platform/linux-generic/include/odp_packet_internal.h index d0db7008..a480a748 100644 --- a/platform/linux-generic/include/odp_packet_internal.h +++ b/platform/linux-generic/include/odp_packet_internal.h @@ -237,6 +237,12 @@ int packet_parse_common(packet_parser_t *pkt_hdr, const uint8_t *ptr, int _odp_cls_parse(odp_packet_hdr_t *pkt_hdr, const uint8_t *parseptr); +int _odp_packet_set_data(odp_packet_t pkt, uint32_t offset, + uint8_t c, uint32_t len); + +int _odp_packet_cmp_data(odp_packet_t pkt, uint32_t offset, + const void *s, uint32_t len); + #ifdef __cplusplus } #endif diff --git a/platform/linux-generic/odp_packet.c b/platform/linux-generic/odp_packet.c index 9ff642be..6799c6ef 100644 --- a/platform/linux-generic/odp_packet.c +++ b/platform/linux-generic/odp_packet.c @@ -1634,6 +1634,54 @@ int odp_packet_move_data(odp_packet_t pkt, uint32_t dst_offset, pkt, src_offset, len); } +int _odp_packet_set_data(odp_packet_t pkt, uint32_t offset, + uint8_t c, uint32_t len) +{ + void *mapaddr; + uint32_t seglen = 0; /* GCC */ + uint32_t setlen; + odp_packet_hdr_t *pkt_hdr = packet_hdr(pkt); + + if (offset + len > pkt_hdr->frame_len) + return -1; + + while (len > 0) { + mapaddr = packet_map(pkt_hdr, offset, &seglen, NULL); + setlen = len > seglen ? seglen : len; + memset(mapaddr, c, setlen); + offset += setlen; + len -= setlen; + } + + return 0; +} + +int _odp_packet_cmp_data(odp_packet_t pkt, uint32_t offset, + const void *s, uint32_t len) +{ + const uint8_t *ptr = s; + void *mapaddr; + uint32_t seglen = 0; /* GCC */ + uint32_t cmplen; + int ret; + odp_packet_hdr_t *pkt_hdr = packet_hdr(pkt); + + ODP_ASSERT(offset + len <= pkt_hdr->frame_len); + + while (len > 0) { + mapaddr = packet_map(pkt_hdr, offset, &seglen, NULL); + cmplen = len > seglen ? seglen : len; + ret = memcmp(mapaddr, ptr, cmplen); + if (ret != 0) + return ret; + offset += cmplen; + len -= cmplen; + ptr += cmplen; + } + + return 0; +} + /* * * Debugging
