diff options
Diffstat (limited to 'src/plugins/dpdk/device')
| -rw-r--r-- | src/plugins/dpdk/device/flow.c | 89 |
1 files changed, 77 insertions, 12 deletions
diff --git a/src/plugins/dpdk/device/flow.c b/src/plugins/dpdk/device/flow.c index 5080a9c83bc..a9ba1d076f3 100644 --- a/src/plugins/dpdk/device/flow.c +++ b/src/plugins/dpdk/device/flow.c @@ -22,6 +22,7 @@ #include <vnet/ip/ip.h> #include <vnet/ethernet/ethernet.h> #include <vnet/ethernet/arp_packet.h> +#include <vnet/vxlan/vxlan.h> #include <dpdk/device/dpdk.h> #include <dpdk/device/dpdk_priv.h> @@ -33,8 +34,7 @@ static const struct rte_flow_item_eth any_eth[2] = { }; static const struct rte_flow_item_vlan any_vlan[2] = { }; static int -dpdk_flow_add_n_touple (dpdk_device_t * xd, vnet_flow_t * f, - dpdk_flow_entry_t * fe) +dpdk_flow_add (dpdk_device_t * xd, vnet_flow_t * f, dpdk_flow_entry_t * fe) { struct rte_flow_item_ipv4 ip4[2] = { }; struct rte_flow_item_ipv6 ip6[2] = { }; @@ -43,6 +43,19 @@ dpdk_flow_add_n_touple (dpdk_device_t * xd, vnet_flow_t * f, struct rte_flow_action_mark mark = { 0 }; struct rte_flow_item *item, *items = 0; struct rte_flow_action *action, *actions = 0; + + enum + { + vxlan_hdr_sz = sizeof (vxlan_header_t), + raw_sz = sizeof (struct rte_flow_item_raw) + }; + + union + { + struct rte_flow_item_raw item; + u8 val[raw_sz + vxlan_hdr_sz]; + } raw[2]; + u16 src_port, dst_port, src_port_mask, dst_port_mask; u8 protocol; int rv = 0; @@ -50,6 +63,7 @@ dpdk_flow_add_n_touple (dpdk_device_t * xd, vnet_flow_t * f, if (f->actions & (~xd->supported_flow_actions)) return VNET_FLOW_ERROR_NOT_SUPPORTED; + /* Match items */ /* Ethernet */ vec_add2 (items, item, 1); item->type = RTE_FLOW_ITEM_TYPE_ETH; @@ -57,10 +71,13 @@ dpdk_flow_add_n_touple (dpdk_device_t * xd, vnet_flow_t * f, item->mask = any_eth + 1; /* VLAN */ - vec_add2 (items, item, 1); - item->type = RTE_FLOW_ITEM_TYPE_VLAN; - item->spec = any_vlan; - item->mask = any_vlan + 1; + if (f->type != VNET_FLOW_TYPE_IP4_VXLAN) + { + vec_add2 (items, item, 1); + item->type = RTE_FLOW_ITEM_TYPE_VLAN; + item->spec = any_vlan; + item->mask = any_vlan + 1; + } /* IP */ vec_add2 (items, item, 1); @@ -81,11 +98,10 @@ dpdk_flow_add_n_touple (dpdk_device_t * xd, vnet_flow_t * f, dst_port_mask = t6->dst_port.mask; protocol = t6->protocol; } - else + else if (f->type == VNET_FLOW_TYPE_IP4_N_TUPLE) { vnet_flow_ip4_n_tuple_t *t4 = &f->ip4_n_tuple; - ASSERT (f->type == VNET_FLOW_TYPE_IP4_N_TUPLE); - ip4[0].hdr.src_addr = t4->src_addr.mask.as_u32; + ip4[0].hdr.src_addr = t4->src_addr.addr.as_u32; ip4[1].hdr.src_addr = t4->src_addr.mask.as_u32; ip4[0].hdr.dst_addr = t4->dst_addr.addr.as_u32; ip4[1].hdr.dst_addr = t4->dst_addr.mask.as_u32; @@ -94,11 +110,33 @@ dpdk_flow_add_n_touple (dpdk_device_t * xd, vnet_flow_t * f, item->mask = ip4 + 1; src_port = t4->src_port.port; - dst_port = t4->dst_port.mask; + dst_port = t4->dst_port.port; src_port_mask = t4->src_port.mask; dst_port_mask = t4->dst_port.mask; protocol = t4->protocol; } + else if (f->type == VNET_FLOW_TYPE_IP4_VXLAN) + { + vnet_flow_ip4_vxlan_t *v4 = &f->ip4_vxlan; + ip4[0].hdr.src_addr = v4->src_addr.as_u32; + ip4[1].hdr.src_addr = -1; + ip4[0].hdr.dst_addr = v4->dst_addr.as_u32; + ip4[1].hdr.dst_addr = -1; + item->type = RTE_FLOW_ITEM_TYPE_IPV4; + item->spec = ip4; + item->mask = ip4 + 1; + + dst_port = v4->dst_port; + dst_port_mask = -1; + src_port = 0; + src_port_mask = 0; + protocol = IP_PROTOCOL_UDP; + } + else + { + rv = VNET_FLOW_ERROR_NOT_SUPPORTED; + goto done; + } /* Layer 4 */ vec_add2 (items, item, 1); @@ -128,10 +166,36 @@ dpdk_flow_add_n_touple (dpdk_device_t * xd, vnet_flow_t * f, goto done; } - /* The End */ + /* Tunnel header match */ + if (f->type == VNET_FLOW_TYPE_IP4_VXLAN) + { + u32 vni = f->ip4_vxlan.vni; + vxlan_header_t spec_hdr = { + .flags = VXLAN_FLAGS_I, + .vni_reserved = clib_host_to_net_u32 (vni << 8) + }; + vxlan_header_t mask_hdr = { + .flags = 0xff, + .vni_reserved = clib_host_to_net_u32 (((u32) - 1) << 8) + }; + + memset (raw, 0, sizeof raw); + raw[0].item.relative = 1; + raw[0].item.length = vxlan_hdr_sz; + + clib_memcpy (raw[0].val + raw_sz, &spec_hdr, vxlan_hdr_sz); + clib_memcpy (raw[1].val + raw_sz, &mask_hdr, vxlan_hdr_sz);; + + vec_add2 (items, item, 1); + item->type = RTE_FLOW_ITEM_TYPE_RAW; + item->spec = raw; + item->mask = raw + 1; + } + vec_add2 (items, item, 1); item->type = RTE_FLOW_ITEM_TYPE_END; + /* Actions */ vec_add2 (actions, action, 1); action->type = RTE_FLOW_ACTION_TYPE_PASSTHRU; @@ -219,7 +283,8 @@ dpdk_flow_ops_fn (vnet_main_t * vnm, vnet_flow_dev_op_t op, u32 dev_instance, { case VNET_FLOW_TYPE_IP4_N_TUPLE: case VNET_FLOW_TYPE_IP6_N_TUPLE: - if ((rv = dpdk_flow_add_n_touple (xd, flow, fe))) + case VNET_FLOW_TYPE_IP4_VXLAN: + if ((rv = dpdk_flow_add (xd, flow, fe))) goto done; break; default: |