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authorEyal Bari <ebari@cisco.com>2018-05-17 16:26:34 +0300
committerDamjan Marion <dmarion.lists@gmail.com>2018-05-23 14:00:15 +0000
commit886bb1ae9b7cfef181e279f3f3b48586ea8d9ad0 (patch)
treeaea7d06b9195ea3a35a879c4bf1401c019a60906 /src/plugins/dpdk/device/flow.c
parentd2aab838ea7875d7f58246b80285e299b137fbf1 (diff)
dpdk:flow add vxlan flow support
Change-Id: Ic9f98c022e32715af395c9ed618589434eb0e526 Signed-off-by: Eyal Bari <ebari@cisco.com>
Diffstat (limited to 'src/plugins/dpdk/device/flow.c')
-rw-r--r--src/plugins/dpdk/device/flow.c89
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: