From: Petri Savolainen <petri.savolai...@linaro.org> Implemented new API functions for packet parsing.
Signed-off-by: Petri Savolainen <petri.savolai...@linaro.org> --- /** Email created from pull request 273 (psavol:next-packet-parse) ** https://github.com/Linaro/odp/pull/273 ** Patch: https://github.com/Linaro/odp/pull/273.patch ** Base sha: d22c949cc466bf28de559855a1cb525740578137 ** Merge commit sha: 5ed52232b041f855c0e109143480b16ea467c7da **/ .../linux-generic/include/odp_packet_internal.h | 3 +- platform/linux-generic/odp_packet.c | 62 ++++++++++++++++++++-- 2 files changed, 60 insertions(+), 5 deletions(-) diff --git a/platform/linux-generic/include/odp_packet_internal.h b/platform/linux-generic/include/odp_packet_internal.h index fed562aa3..97efcec4b 100644 --- a/platform/linux-generic/include/odp_packet_internal.h +++ b/platform/linux-generic/include/odp_packet_internal.h @@ -322,8 +322,7 @@ static inline void packet_set_ts(odp_packet_hdr_t *pkt_hdr, odp_time_t *ts) } int packet_parse_common(packet_parser_t *pkt_hdr, const uint8_t *ptr, - uint32_t pkt_len, uint32_t seg_len, - odp_pktio_parser_layer_t layer); + uint32_t pkt_len, uint32_t seg_len, int layer); int _odp_cls_parse(odp_packet_hdr_t *pkt_hdr, const uint8_t *parseptr); diff --git a/platform/linux-generic/odp_packet.c b/platform/linux-generic/odp_packet.c index 3b2fac212..0bba30986 100644 --- a/platform/linux-generic/odp_packet.c +++ b/platform/linux-generic/odp_packet.c @@ -2098,8 +2098,7 @@ static inline int packet_parse_common_l3_l4(packet_parser_t *prs, const uint8_t *parseptr, uint32_t offset, uint32_t frame_len, uint32_t seg_len, - odp_pktio_parser_layer_t layer, - uint16_t ethtype) + int layer, uint16_t ethtype) { uint8_t ip_proto; @@ -2199,7 +2198,7 @@ int packet_parse_common_l3_l4(packet_parser_t *prs, const uint8_t *parseptr, */ int packet_parse_common(packet_parser_t *prs, const uint8_t *ptr, uint32_t frame_len, uint32_t seg_len, - odp_pktio_parser_layer_t layer) + int layer) { uint32_t offset; uint16_t ethtype; @@ -2252,6 +2251,63 @@ int packet_parse_l3_l4(odp_packet_hdr_t *pkt_hdr, layer, ethtype); } +int odp_packet_parse(odp_packet_t pkt, uint32_t offset, + const odp_packet_parse_param_t *param) +{ + odp_packet_hdr_t *pkt_hdr = packet_hdr(pkt); + void *data; + uint32_t seg_len; + uint32_t packet_len = pkt_hdr->frame_len; + odp_proto_t proto = param->proto; + odp_proto_layer_t layer = param->layer; + int ret; + uint16_t ethtype; + + if (proto == ODP_PROTO_NONE || layer == ODP_PROTO_LAYER_NONE) + return -1; + + data = packet_map(pkt_hdr, offset, &seg_len, NULL); + + if (data == NULL) + return -1; + + packet_parse_reset(pkt_hdr); + + if (proto == ODP_PROTO_ETH) { + ret = packet_parse_common(&pkt_hdr->p, data, packet_len, + seg_len, layer); + + if (ret) + return -1; + } else { + if (proto == ODP_PROTO_IPV4) + ethtype = _ODP_ETHTYPE_IPV4; + else + ethtype = _ODP_ETHTYPE_IPV6; + + ret = packet_parse_common_l3_l4(&pkt_hdr->p, data, offset, + packet_len, seg_len, + layer, ethtype); + + if (ret) + return -1; + } + + return 0; +} + +int odp_packet_parse_multi(const odp_packet_t pkt[], const uint32_t offset[], + int num, const odp_packet_parse_param_t *param) +{ + int i; + + for (i = 0; i < num; i++) + if (odp_packet_parse(pkt[i], offset[i], param)) + return i; + + return num; +} + uint64_t odp_packet_to_u64(odp_packet_t hdl) { return _odp_pri(hdl);
