diff options
Diffstat (limited to 'VNFs/DPPD-PROX/handle_nsh.c')
| -rw-r--r-- | VNFs/DPPD-PROX/handle_nsh.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/handle_nsh.c b/VNFs/DPPD-PROX/handle_nsh.c index ba2d14fb..a1df22fc 100644 --- a/VNFs/DPPD-PROX/handle_nsh.c +++ b/VNFs/DPPD-PROX/handle_nsh.c @@ -68,26 +68,43 @@ static inline uint8_t handle_decap_nsh(__attribute__((unused)) struct task_decap mbuf->data_len = (uint16_t)(mbuf->data_len - hdr_len); mbuf->data_off += hdr_len; mbuf->pkt_len = (uint32_t)(mbuf->pkt_len - hdr_len); +#if RTE_VERSION >= RTE_VERSION_NUM(20,11,0,0) + /* save length of header in the dynfield1 of rte_mbuf */ + mbuf->dynfield1[0] = hdr_len; +#else /* save length of header in reserved 16bits of rte_mbuf */ mbuf->udata64 = hdr_len; +#endif } else { if (mbuf->data_len < VXLAN_GPE_HDR_SZ) { +#if RTE_VERSION >= RTE_VERSION_NUM(20,11,0,0) + mbuf->dynfield1[0] = 0; +#else mbuf->udata64 = 0; +#endif return 0; } /* check the UDP destination port */ udp_hdr = (prox_rte_udp_hdr *)(((unsigned char *)eth_hdr) + sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr)); if (udp_hdr->dst_port != VXLAN_GPE_NSH_TYPE) { +#if RTE_VERSION >= RTE_VERSION_NUM(20,11,0,0) + mbuf->dynfield1[0] = 0; +#else mbuf->udata64 = 0; +#endif return 0; } /* check the Next Protocol field in VxLAN-GPE header */ vxlan_gpe_hdr = (prox_rte_vxlan_gpe_hdr *)(((unsigned char *)eth_hdr) + sizeof(prox_rte_ether_hdr) + sizeof(prox_rte_ipv4_hdr) + sizeof(prox_rte_udp_hdr)); if (vxlan_gpe_hdr->proto != VXLAN_GPE_NP) { +#if RTE_VERSION >= RTE_VERSION_NUM(20,11,0,0) + mbuf->dynfield1[0] = 0; +#else mbuf->udata64 = 0; +#endif return 0; } @@ -97,8 +114,13 @@ static inline uint8_t handle_decap_nsh(__attribute__((unused)) struct task_decap mbuf->data_len = (uint16_t)(mbuf->data_len - hdr_len); mbuf->data_off += hdr_len; mbuf->pkt_len = (uint32_t)(mbuf->pkt_len - hdr_len); +#if RTE_VERSION >= RTE_VERSION_NUM(20,11,0,0) + /* save length of header in the dynfield1 of rte_mbuf */ + mbuf->dynfield1[0] = hdr_len; +#else /* save length of header in reserved 16bits of rte_mbuf */ mbuf->udata64 = hdr_len; +#endif } return 0; @@ -143,14 +165,26 @@ static inline uint8_t handle_encap_nsh(__attribute__((unused)) struct task_encap if (mbuf == NULL) return 0; +#if RTE_VERSION >= RTE_VERSION_NUM(20,11,0,0) + if (mbuf->dynfield1[0] == 0) +#else if (mbuf->udata64 == 0) +#endif return 0; +#if RTE_VERSION >= RTE_VERSION_NUM(20,11,0,0) + /* use header length saved in dynfields1 of rte_mbuf to + "encapsulate" transport + NSH header by moving packet pointer */ + mbuf->data_len = (uint16_t)(mbuf->data_len + mbuf->dynfield1[0]); + mbuf->data_off -= mbuf->dynfield1[0]; + mbuf->pkt_len = (uint32_t)(mbuf->pkt_len + mbuf->dynfield1[0]); +#else /* use header length saved in reserved 16bits of rte_mbuf to "encapsulate" transport + NSH header by moving packet pointer */ mbuf->data_len = (uint16_t)(mbuf->data_len + mbuf->udata64); mbuf->data_off -= mbuf->udata64; mbuf->pkt_len = (uint32_t)(mbuf->pkt_len + mbuf->udata64); +#endif eth_hdr = rte_pktmbuf_mtod(mbuf, prox_rte_ether_hdr *); if (eth_hdr->ether_type == ETHER_NSH_TYPE) { |