New upstream version 18.08
[deb_dpdk.git] / app / test-pmd / csumonly.c
index 5f5ab64..4948292 100644 (file)
 #define IP_HDRLEN  0x05 /* default IP header length == five 32-bits words. */
 #define IP_VHL_DEF (IP_VERSION | IP_HDRLEN)
 
-#define GRE_KEY_PRESENT 0x2000
-#define GRE_KEY_LEN     4
-#define GRE_SUPPORTED_FIELDS GRE_KEY_PRESENT
+#define GRE_CHECKSUM_PRESENT   0x8000
+#define GRE_KEY_PRESENT                0x2000
+#define GRE_SEQUENCE_PRESENT   0x1000
+#define GRE_EXT_LEN            4
+#define GRE_SUPPORTED_FIELDS   (GRE_CHECKSUM_PRESENT | GRE_KEY_PRESENT |\
+                                GRE_SEQUENCE_PRESENT)
 
 /* We cannot use rte_cpu_to_be_16() on a constant in a switch/case */
 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
@@ -60,6 +63,8 @@
 #define _htons(x) (x)
 #endif
 
+uint16_t vxlan_gpe_udp_port = 4790;
+
 /* structure that caches offload info for the current packet */
 struct testpmd_offload_info {
        uint16_t ethertype;
@@ -194,6 +199,70 @@ parse_vxlan(struct udp_hdr *udp_hdr,
        info->l2_len += ETHER_VXLAN_HLEN; /* add udp + vxlan */
 }
 
+/* Parse a vxlan-gpe header */
+static void
+parse_vxlan_gpe(struct udp_hdr *udp_hdr,
+           struct testpmd_offload_info *info)
+{
+       struct ether_hdr *eth_hdr;
+       struct ipv4_hdr *ipv4_hdr;
+       struct ipv6_hdr *ipv6_hdr;
+       struct vxlan_gpe_hdr *vxlan_gpe_hdr;
+       uint8_t vxlan_gpe_len = sizeof(*vxlan_gpe_hdr);
+
+       /* Check udp destination port. */
+       if (udp_hdr->dst_port != _htons(vxlan_gpe_udp_port))
+               return;
+
+       vxlan_gpe_hdr = (struct vxlan_gpe_hdr *)((char *)udp_hdr +
+                               sizeof(struct udp_hdr));
+
+       if (!vxlan_gpe_hdr->proto || vxlan_gpe_hdr->proto ==
+           VXLAN_GPE_TYPE_IPV4) {
+               info->is_tunnel = 1;
+               info->outer_ethertype = info->ethertype;
+               info->outer_l2_len = info->l2_len;
+               info->outer_l3_len = info->l3_len;
+               info->outer_l4_proto = info->l4_proto;
+
+               ipv4_hdr = (struct ipv4_hdr *)((char *)vxlan_gpe_hdr +
+                          vxlan_gpe_len);
+
+               parse_ipv4(ipv4_hdr, info);
+               info->ethertype = _htons(ETHER_TYPE_IPv4);
+               info->l2_len = 0;
+
+       } else if (vxlan_gpe_hdr->proto == VXLAN_GPE_TYPE_IPV6) {
+               info->is_tunnel = 1;
+               info->outer_ethertype = info->ethertype;
+               info->outer_l2_len = info->l2_len;
+               info->outer_l3_len = info->l3_len;
+               info->outer_l4_proto = info->l4_proto;
+
+               ipv6_hdr = (struct ipv6_hdr *)((char *)vxlan_gpe_hdr +
+                          vxlan_gpe_len);
+
+               info->ethertype = _htons(ETHER_TYPE_IPv6);
+               parse_ipv6(ipv6_hdr, info);
+               info->l2_len = 0;
+
+       } else if (vxlan_gpe_hdr->proto == VXLAN_GPE_TYPE_ETH) {
+               info->is_tunnel = 1;
+               info->outer_ethertype = info->ethertype;
+               info->outer_l2_len = info->l2_len;
+               info->outer_l3_len = info->l3_len;
+               info->outer_l4_proto = info->l4_proto;
+
+               eth_hdr = (struct ether_hdr *)((char *)vxlan_gpe_hdr +
+                         vxlan_gpe_len);
+
+               parse_ethernet(eth_hdr, info);
+       } else
+               return;
+
+       info->l2_len += ETHER_VXLAN_GPE_HLEN;
+}
+
 /* Parse a gre header */
 static void
 parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
@@ -203,14 +272,14 @@ parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
        struct ipv6_hdr *ipv6_hdr;
        uint8_t gre_len = 0;
 
-       /* check which fields are supported */
-       if ((gre_hdr->flags & _htons(~GRE_SUPPORTED_FIELDS)) != 0)
-               return;
-
        gre_len += sizeof(struct simple_gre_hdr);
 
        if (gre_hdr->flags & _htons(GRE_KEY_PRESENT))
-               gre_len += GRE_KEY_LEN;
+               gre_len += GRE_EXT_LEN;
+       if (gre_hdr->flags & _htons(GRE_SEQUENCE_PRESENT))
+               gre_len += GRE_EXT_LEN;
+       if (gre_hdr->flags & _htons(GRE_CHECKSUM_PRESENT))
+               gre_len += GRE_EXT_LEN;
 
        if (gre_hdr->proto == _htons(ETHER_TYPE_IPv4)) {
                info->is_tunnel = 1;
@@ -342,6 +411,8 @@ process_inner_cksums(void *l3_hdr, const struct testpmd_offload_info *info,
                                                info->ethertype);
                        }
                }
+               if (info->gso_enable)
+                       ol_flags |= PKT_TX_UDP_SEG;
        } else if (info->l4_proto == IPPROTO_TCP) {
                tcp_hdr = (struct tcp_hdr *)((char *)l3_hdr + info->l3_len);
                tcp_hdr->cksum = 0;
@@ -588,6 +659,10 @@ pkt_copy_split(const struct rte_mbuf *pkt)
  *   Ether / (vlan) / IP|IP6 / UDP|TCP|SCTP .
  *   Ether / (vlan) / outer IP|IP6 / outer UDP / VxLAN / Ether / IP|IP6 /
  *           UDP|TCP|SCTP
+ *   Ether / (vlan) / outer IP|IP6 / outer UDP / VXLAN-GPE / Ether / IP|IP6 /
+ *           UDP|TCP|SCTP
+ *   Ether / (vlan) / outer IP|IP6 / outer UDP / VXLAN-GPE / IP|IP6 /
+ *           UDP|TCP|SCTP
  *   Ether / (vlan) / outer IP|IP6 / GRE / Ether / IP|IP6 / UDP|TCP|SCTP
  *   Ether / (vlan) / outer IP|IP6 / GRE / IP|IP6 / UDP|TCP|SCTP
  *   Ether / (vlan) / outer IP|IP6 / IP|IP6 / UDP|TCP|SCTP
@@ -664,7 +739,8 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
                m = pkts_burst[i];
                info.is_tunnel = 0;
                info.pkt_len = rte_pktmbuf_pkt_len(m);
-               tx_ol_flags = 0;
+               tx_ol_flags = m->ol_flags &
+                             (IND_ATTACHED_MBUF | EXT_ATTACHED_MBUF);
                rx_ol_flags = m->ol_flags;
 
                /* Update the L3/L4 checksum error packet statistics */
@@ -691,9 +767,16 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
 
                                udp_hdr = (struct udp_hdr *)((char *)l3_hdr +
                                        info.l3_len);
-                               parse_vxlan(udp_hdr, &info, m->packet_type);
-                               if (info.is_tunnel)
-                                       tx_ol_flags |= PKT_TX_TUNNEL_VXLAN;
+                               parse_vxlan_gpe(udp_hdr, &info);
+                               if (info.is_tunnel) {
+                                       tx_ol_flags |= PKT_TX_TUNNEL_VXLAN_GPE;
+                               } else {
+                                       parse_vxlan(udp_hdr, &info,
+                                                   m->packet_type);
+                                       if (info.is_tunnel)
+                                               tx_ol_flags |=
+                                                       PKT_TX_TUNNEL_VXLAN;
+                               }
                        } else if (info.l4_proto == IPPROTO_GRE) {
                                struct simple_gre_hdr *gre_hdr;
 
@@ -738,6 +821,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
 
                /* step 3: fill the mbuf meta data (flags and header lengths) */
 
+               m->tx_offload = 0;
                if (info.is_tunnel == 1) {
                        if (info.tunnel_tso_segsz ||
                            (tx_offloads &