From: Bogdan Pricope <bogdan.pric...@linaro.org> L3/L4 checksum validation flags are used to report L3/L4 checksum check status for the incoming packets.
Signed-off-by: Bogdan Pricope <bogdan.pric...@linaro.org> --- /** Email created from pull request 269 (bogdanPricope:api_next_csum_status_pr) ** https://github.com/Linaro/odp/pull/269 ** Patch: https://github.com/Linaro/odp/pull/269.patch ** Base sha: d22c949cc466bf28de559855a1cb525740578137 ** Merge commit sha: 31b12178be4753494e806513020d7706600c8382 **/ platform/linux-generic/pktio/dpdk.c | 57 ++++++++++++++++++++++++++----------- 1 file changed, 40 insertions(+), 17 deletions(-) diff --git a/platform/linux-generic/pktio/dpdk.c b/platform/linux-generic/pktio/dpdk.c index 9782d60c4..764ed37d4 100644 --- a/platform/linux-generic/pktio/dpdk.c +++ b/platform/linux-generic/pktio/dpdk.c @@ -337,9 +337,9 @@ static struct rte_mempool_ops ops_stack = { MEMPOOL_REGISTER_OPS(ops_stack); -#define HAS_IP4_CSUM_FLAG(m, f) ((m->ol_flags & PKT_RX_IP_CKSUM_MASK) == f) +#define IP4_CSUM_RESULT(m) (m->ol_flags & PKT_RX_IP_CKSUM_MASK) +#define L4_CSUM_RESULT(m) (m->ol_flags & PKT_RX_L4_CKSUM_MASK) #define HAS_L4_PROTO(m, proto) ((m->packet_type & RTE_PTYPE_L4_MASK) == proto) -#define HAS_L4_CSUM_FLAG(m, f) ((m->ol_flags & PKT_RX_L4_CKSUM_MASK) == f) #define PKTIN_CSUM_BITS 0x1C @@ -347,29 +347,52 @@ static inline int pkt_set_ol_rx(odp_pktin_config_opt_t *pktin_cfg, odp_packet_hdr_t *pkt_hdr, struct rte_mbuf *mbuf) { + uint64_t packet_csum_result; + if (pktin_cfg->bit.ipv4_chksum && - RTE_ETH_IS_IPV4_HDR(mbuf->packet_type) && - HAS_IP4_CSUM_FLAG(mbuf, PKT_RX_IP_CKSUM_BAD)) { - if (pktin_cfg->bit.drop_ipv4_err) - return -1; + RTE_ETH_IS_IPV4_HDR(mbuf->packet_type)) { + packet_csum_result = IP4_CSUM_RESULT(mbuf); + + if (packet_csum_result == PKT_RX_IP_CKSUM_GOOD) { + pkt_hdr->p.input_flags.l3_chksum_done = 1; + } else if (packet_csum_result != PKT_RX_IP_CKSUM_UNKNOWN) { + if (pktin_cfg->bit.drop_ipv4_err) + return -1; - pkt_hdr->p.error_flags.ip_err = 1; + pkt_hdr->p.input_flags.l3_chksum_done = 1; + pkt_hdr->p.error_flags.ip_err = 1; + pkt_hdr->p.error_flags.l3_chksum = 1; + } } if (pktin_cfg->bit.udp_chksum && - HAS_L4_PROTO(mbuf, RTE_PTYPE_L4_UDP) && - HAS_L4_CSUM_FLAG(mbuf, PKT_RX_L4_CKSUM_BAD)) { - if (pktin_cfg->bit.drop_udp_err) - return -1; + HAS_L4_PROTO(mbuf, RTE_PTYPE_L4_UDP)) { + packet_csum_result = L4_CSUM_RESULT(mbuf); - pkt_hdr->p.error_flags.udp_err = 1; + if (packet_csum_result == PKT_RX_L4_CKSUM_GOOD) { + pkt_hdr->p.input_flags.l4_chksum_done = 1; + } else if (packet_csum_result != PKT_RX_L4_CKSUM_UNKNOWN) { + if (pktin_cfg->bit.drop_udp_err) + return -1; + + pkt_hdr->p.input_flags.l4_chksum_done = 1; + pkt_hdr->p.error_flags.udp_err = 1; + pkt_hdr->p.error_flags.l4_chksum = 1; + } } else if (pktin_cfg->bit.tcp_chksum && - HAS_L4_PROTO(mbuf, RTE_PTYPE_L4_TCP) && - HAS_L4_CSUM_FLAG(mbuf, PKT_RX_L4_CKSUM_BAD)) { - if (pktin_cfg->bit.drop_tcp_err) - return -1; + HAS_L4_PROTO(mbuf, RTE_PTYPE_L4_TCP)) { + packet_csum_result = L4_CSUM_RESULT(mbuf); - pkt_hdr->p.error_flags.tcp_err = 1; + if (packet_csum_result == PKT_RX_L4_CKSUM_GOOD) { + pkt_hdr->p.input_flags.l4_chksum_done = 1; + } else if (packet_csum_result != PKT_RX_L4_CKSUM_UNKNOWN) { + if (pktin_cfg->bit.drop_tcp_err) + return -1; + + pkt_hdr->p.input_flags.l4_chksum_done = 1; + pkt_hdr->p.error_flags.tcp_err = 1; + pkt_hdr->p.error_flags.l4_chksum = 1; + } } return 0;
