X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Ftep_termination%2Fvxlan.c;h=1add9904a2b89257cd90e7c2a7421e0cc61b369d;hb=09d9ae1ac9820c216991edc0d3c853fe28d37a66;hp=e98a29f77c27ea8fc50d6976c0791478e96efc95;hpb=3c0184cc0c600a72523f468ead4eac15f185241a;p=dpdk.git diff --git a/examples/tep_termination/vxlan.c b/examples/tep_termination/vxlan.c index e98a29f77c..1add9904a2 100644 --- a/examples/tep_termination/vxlan.c +++ b/examples/tep_termination/vxlan.c @@ -1,35 +1,7 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. - * All rights reserved. - * - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2015 Intel Corporation */ + #include #include #include @@ -44,9 +16,9 @@ static uint16_t get_psd_sum(void *l3_hdr, uint16_t ethertype, uint64_t ol_flags) { - if (ethertype == ETHER_TYPE_IPv4) + if (ethertype == RTE_ETHER_TYPE_IPv4) return rte_ipv4_phdr_cksum(l3_hdr, ol_flags); - else /* assume ethertype == ETHER_TYPE_IPv6 */ + else /* assume ethertype == RTE_ETHER_TYPE_IPv6 */ return rte_ipv6_phdr_cksum(l3_hdr, ol_flags); } @@ -56,33 +28,34 @@ get_psd_sum(void *l3_hdr, uint16_t ethertype, uint64_t ol_flags) * header. */ static void -parse_ethernet(struct ether_hdr *eth_hdr, union tunnel_offload_info *info, +parse_ethernet(struct rte_ether_hdr *eth_hdr, union tunnel_offload_info *info, uint8_t *l4_proto) { - struct ipv4_hdr *ipv4_hdr; - struct ipv6_hdr *ipv6_hdr; + struct rte_ipv4_hdr *ipv4_hdr; + struct rte_ipv6_hdr *ipv6_hdr; uint16_t ethertype; - info->outer_l2_len = sizeof(struct ether_hdr); + info->outer_l2_len = sizeof(struct rte_ether_hdr); ethertype = rte_be_to_cpu_16(eth_hdr->ether_type); - if (ethertype == ETHER_TYPE_VLAN) { - struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1); - info->outer_l2_len += sizeof(struct vlan_hdr); + if (ethertype == RTE_ETHER_TYPE_VLAN) { + struct rte_vlan_hdr *vlan_hdr = + (struct rte_vlan_hdr *)(eth_hdr + 1); + info->outer_l2_len += sizeof(struct rte_vlan_hdr); ethertype = rte_be_to_cpu_16(vlan_hdr->eth_proto); } switch (ethertype) { - case ETHER_TYPE_IPv4: - ipv4_hdr = (struct ipv4_hdr *) + case RTE_ETHER_TYPE_IPv4: + ipv4_hdr = (struct rte_ipv4_hdr *) ((char *)eth_hdr + info->outer_l2_len); - info->outer_l3_len = sizeof(struct ipv4_hdr); + info->outer_l3_len = sizeof(struct rte_ipv4_hdr); *l4_proto = ipv4_hdr->next_proto_id; break; - case ETHER_TYPE_IPv6: - ipv6_hdr = (struct ipv6_hdr *) + case RTE_ETHER_TYPE_IPv6: + ipv6_hdr = (struct rte_ipv6_hdr *) ((char *)eth_hdr + info->outer_l2_len); - info->outer_l3_len = sizeof(struct ipv6_hdr); + info->outer_l3_len = sizeof(struct rte_ipv6_hdr); *l4_proto = ipv6_hdr->proto; break; default: @@ -96,39 +69,41 @@ parse_ethernet(struct ether_hdr *eth_hdr, union tunnel_offload_info *info, * Calculate the checksum of a packet in hardware */ static uint64_t -process_inner_cksums(struct ether_hdr *eth_hdr, union tunnel_offload_info *info) +process_inner_cksums(struct rte_ether_hdr *eth_hdr, + union tunnel_offload_info *info) { void *l3_hdr = NULL; uint8_t l4_proto; uint16_t ethertype; - struct ipv4_hdr *ipv4_hdr; - struct ipv6_hdr *ipv6_hdr; + struct rte_ipv4_hdr *ipv4_hdr; + struct rte_ipv6_hdr *ipv6_hdr; struct udp_hdr *udp_hdr; struct tcp_hdr *tcp_hdr; - struct sctp_hdr *sctp_hdr; + struct rte_sctp_hdr *sctp_hdr; uint64_t ol_flags = 0; - info->l2_len = sizeof(struct ether_hdr); + info->l2_len = sizeof(struct rte_ether_hdr); ethertype = rte_be_to_cpu_16(eth_hdr->ether_type); - if (ethertype == ETHER_TYPE_VLAN) { - struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1); - info->l2_len += sizeof(struct vlan_hdr); + if (ethertype == RTE_ETHER_TYPE_VLAN) { + struct rte_vlan_hdr *vlan_hdr = + (struct rte_vlan_hdr *)(eth_hdr + 1); + info->l2_len += sizeof(struct rte_vlan_hdr); ethertype = rte_be_to_cpu_16(vlan_hdr->eth_proto); } l3_hdr = (char *)eth_hdr + info->l2_len; - if (ethertype == ETHER_TYPE_IPv4) { - ipv4_hdr = (struct ipv4_hdr *)l3_hdr; + if (ethertype == RTE_ETHER_TYPE_IPv4) { + ipv4_hdr = (struct rte_ipv4_hdr *)l3_hdr; ipv4_hdr->hdr_checksum = 0; ol_flags |= PKT_TX_IPV4; ol_flags |= PKT_TX_IP_CKSUM; - info->l3_len = sizeof(struct ipv4_hdr); + info->l3_len = sizeof(struct rte_ipv4_hdr); l4_proto = ipv4_hdr->next_proto_id; - } else if (ethertype == ETHER_TYPE_IPv6) { - ipv6_hdr = (struct ipv6_hdr *)l3_hdr; - info->l3_len = sizeof(struct ipv6_hdr); + } else if (ethertype == RTE_ETHER_TYPE_IPv6) { + ipv6_hdr = (struct rte_ipv6_hdr *)l3_hdr; + info->l3_len = sizeof(struct rte_ipv6_hdr); l4_proto = ipv6_hdr->proto; ol_flags |= PKT_TX_IPV6; } else @@ -141,17 +116,21 @@ process_inner_cksums(struct ether_hdr *eth_hdr, union tunnel_offload_info *info) ethertype, ol_flags); } else if (l4_proto == IPPROTO_TCP) { tcp_hdr = (struct tcp_hdr *)((char *)l3_hdr + info->l3_len); - ol_flags |= PKT_TX_TCP_CKSUM; - tcp_hdr->cksum = get_psd_sum(l3_hdr, ethertype, - ol_flags); + /* Put PKT_TX_TCP_SEG bit setting before get_psd_sum(), because + * it depends on PKT_TX_TCP_SEG to calculate pseudo-header + * checksum. + */ if (tso_segsz != 0) { ol_flags |= PKT_TX_TCP_SEG; info->tso_segsz = tso_segsz; - info->l4_len = sizeof(struct tcp_hdr); + info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2; } + ol_flags |= PKT_TX_TCP_CKSUM; + tcp_hdr->cksum = get_psd_sum(l3_hdr, ethertype, ol_flags); } else if (l4_proto == IPPROTO_SCTP) { - sctp_hdr = (struct sctp_hdr *)((char *)l3_hdr + info->l3_len); + sctp_hdr = (struct rte_sctp_hdr *) + ((char *)l3_hdr + info->l3_len); sctp_hdr->cksum = 0; ol_flags |= PKT_TX_SCTP_CKSUM; } @@ -166,7 +145,8 @@ decapsulation(struct rte_mbuf *pkt) uint16_t outer_header_len; struct udp_hdr *udp_hdr; union tunnel_offload_info info = { .data = 0 }; - struct ether_hdr *phdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *); + struct rte_ether_hdr *phdr = + rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *); parse_ethernet(phdr, &info, &l4_proto); @@ -180,15 +160,10 @@ decapsulation(struct rte_mbuf *pkt) * (rfc7348) or that the rx offload flag is set (i40e only * currently)*/ if (udp_hdr->dst_port != rte_cpu_to_be_16(DEFAULT_VXLAN_PORT) && -#ifdef RTE_NEXT_ABI (pkt->packet_type & RTE_PTYPE_TUNNEL_MASK) == 0) -#else - (pkt->ol_flags & (PKT_RX_TUNNEL_IPV4_HDR | - PKT_RX_TUNNEL_IPV6_HDR)) == 0) -#endif return -1; outer_header_len = info.outer_l2_len + info.outer_l3_len - + sizeof(struct udp_hdr) + sizeof(struct vxlan_hdr); + + sizeof(struct udp_hdr) + sizeof(struct rte_vxlan_hdr); rte_pktmbuf_adj(pkt, outer_header_len); @@ -202,29 +177,31 @@ encapsulation(struct rte_mbuf *m, uint8_t queue_id) uint64_t ol_flags = 0; uint32_t old_len = m->pkt_len, hash; union tunnel_offload_info tx_offload = { .data = 0 }; - struct ether_hdr *phdr = rte_pktmbuf_mtod(m, struct ether_hdr *); + struct rte_ether_hdr *phdr = + rte_pktmbuf_mtod(m, struct rte_ether_hdr *); /*Allocate space for new ethernet, IPv4, UDP and VXLAN headers*/ - struct ether_hdr *pneth = (struct ether_hdr *) rte_pktmbuf_prepend(m, - sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) - + sizeof(struct udp_hdr) + sizeof(struct vxlan_hdr)); + struct rte_ether_hdr *pneth = + (struct rte_ether_hdr *) rte_pktmbuf_prepend(m, + sizeof(struct rte_ether_hdr) + sizeof(struct rte_ipv4_hdr) + + sizeof(struct udp_hdr) + sizeof(struct rte_vxlan_hdr)); - struct ipv4_hdr *ip = (struct ipv4_hdr *) &pneth[1]; + struct rte_ipv4_hdr *ip = (struct rte_ipv4_hdr *) &pneth[1]; struct udp_hdr *udp = (struct udp_hdr *) &ip[1]; - struct vxlan_hdr *vxlan = (struct vxlan_hdr *) &udp[1]; + struct rte_vxlan_hdr *vxlan = (struct rte_vxlan_hdr *) &udp[1]; /* convert TX queue ID to vport ID */ vport_id = queue_id - 1; /* replace original Ethernet header with ours */ pneth = rte_memcpy(pneth, &app_l2_hdr[vport_id], - sizeof(struct ether_hdr)); + sizeof(struct rte_ether_hdr)); /* copy in IP header */ ip = rte_memcpy(ip, &app_ip_hdr[vport_id], - sizeof(struct ipv4_hdr)); - ip->total_length = rte_cpu_to_be_16(m->data_len - - sizeof(struct ether_hdr)); + sizeof(struct rte_ipv4_hdr)); + ip->total_length = rte_cpu_to_be_16(m->pkt_len + - sizeof(struct rte_ether_hdr)); /* outer IP checksum */ ol_flags |= PKT_TX_OUTER_IP_CKSUM; @@ -236,11 +213,13 @@ encapsulation(struct rte_mbuf *m, uint8_t queue_id) m->l2_len = tx_offload.l2_len; m->l3_len = tx_offload.l3_len; m->l4_len = tx_offload.l4_len; - m->l2_len += ETHER_VXLAN_HLEN; + m->l2_len += RTE_ETHER_VXLAN_HLEN; } - m->outer_l2_len = sizeof(struct ether_hdr); - m->outer_l3_len = sizeof(struct ipv4_hdr); + m->outer_l2_len = sizeof(struct rte_ether_hdr); + m->outer_l3_len = sizeof(struct rte_ipv4_hdr); + + ol_flags |= PKT_TX_TUNNEL_VXLAN; m->ol_flags |= ol_flags; m->tso_segsz = tx_offload.tso_segsz; @@ -253,10 +232,10 @@ encapsulation(struct rte_mbuf *m, uint8_t queue_id) udp->dgram_cksum = 0; udp->dgram_len = rte_cpu_to_be_16(old_len + sizeof(struct udp_hdr) - + sizeof(struct vxlan_hdr)); + + sizeof(struct rte_vxlan_hdr)); udp->dst_port = rte_cpu_to_be_16(vxdev.dst_port); - hash = rte_hash_crc(phdr, 2 * ETHER_ADDR_LEN, phdr->ether_type); + hash = rte_hash_crc(phdr, 2 * RTE_ETHER_ADDR_LEN, phdr->ether_type); udp->src_port = rte_cpu_to_be_16((((uint64_t) hash * PORT_RANGE) >> 32) + PORT_MIN);