flow: support generic flow and RSS action in vapi
Add generic flow type and rss action type to vapi. It is to support
creating generic flow rule via vapi.
Type: feature
Signed-off-by: Ting Xu <ting.xu@intel.com>
Change-Id: Ifeaa007679487e02bd2903dc591d80a1caba33bc
diff --git a/src/vnet/flow/FEATURE.yaml b/src/vnet/flow/FEATURE.yaml
index a26571c..8633f4f 100644
--- a/src/vnet/flow/FEATURE.yaml
+++ b/src/vnet/flow/FEATURE.yaml
@@ -16,13 +16,15 @@
- FLOW_TYPE_IP4_VXLAN,
- FLOW_TYPE_IP6_VXLAN,
- FLOW_TYPE_IP4_GTPC,
- - FLOW_TYPE_IP4_GTPU
+ - FLOW_TYPE_IP4_GTPU,
+ - FLOW_TYPE_GENERIC
- The below flow actions can be specified for the flows:
- FLOW_ACTION_COUNT,
- FLOW_ACTION_MARK,
- FLOW_ACTION_BUFFER_ADVANCE,
- FLOW_ACTION_REDIRECT_TO_NODE,
- FLOW_ACTION_REDIRECT_TO_QUEUE,
+ - FLOW_ACTION_RSS,
- FLOW_ACTION_DROP
description: "Flow infrastructure to provide hardware offload capabilities"
state: development
diff --git a/src/vnet/flow/flow.api b/src/vnet/flow/flow.api
index 7bb21cd..dff3eec 100644
--- a/src/vnet/flow/flow.api
+++ b/src/vnet/flow/flow.api
@@ -13,7 +13,7 @@
* limitations under the License.
*/
-option version = "0.0.2";
+option version = "0.0.3";
import "vnet/interface_types.api";
import "vnet/ip/ip_types.api";
@@ -32,6 +32,19 @@
option vat_help = "test flow add [src-ip <ip-addr/mask>] [dst-ip <ip-addr/mask>] [src-port <port/mask>] [dst-port <port/mask>] [proto <ip-proto>]";
};
+/** \brief flow add request v2
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param flow - flow rule v2
+*/
+define flow_add_v2
+{
+ u32 client_index;
+ u32 context;
+ vl_api_flow_rule_v2_t flow;
+ option vat_help = "test flow add [src-ip <ip-addr/mask>] [dst-ip <ip-addr/mask>] [src-port <port/mask>] [dst-port <port/mask>] [proto <ip-proto>] [spec <spec-string>] [mask <mask-string>]";
+};
+
/** \brief reply for adding flow
@param context - sender context, to match reply w/ request
@param retval - return code
@@ -44,6 +57,18 @@
u32 flow_index;
};
+/** \brief reply for adding flow v2
+ @param context - sender context, to match reply w/ request
+ @param retval - return code
+ @param flow_index - flow index, can be used for flow del/enable/disable
+*/
+define flow_add_v2_reply
+{
+ u32 context;
+ i32 retval;
+ u32 flow_index;
+};
+
/** \brief flow del request
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
diff --git a/src/vnet/flow/flow_api.c b/src/vnet/flow/flow_api.c
index 6f08f03..0e25fb3 100644
--- a/src/vnet/flow/flow_api.c
+++ b/src/vnet/flow/flow_api.c
@@ -215,6 +215,16 @@
f->teid = ntohl (vl_api_flow->teid);
}
+static inline void
+generic_flow_convert (vl_api_flow_generic_t *vl_api_flow,
+ vnet_flow_generic_t *f)
+{
+ clib_memcpy (f->pattern.spec, vl_api_flow->pattern.spec,
+ sizeof (vl_api_flow->pattern.spec));
+ clib_memcpy (f->pattern.mask, vl_api_flow->pattern.mask,
+ sizeof (vl_api_flow->pattern.mask));
+}
+
static void
vl_api_flow_add_t_handler (vl_api_flow_add_t * mp)
{
@@ -298,6 +308,91 @@
}
static void
+vl_api_flow_add_v2_t_handler (vl_api_flow_add_v2_t *mp)
+{
+ vl_api_flow_add_v2_reply_t *rmp;
+ int rv = 0;
+ vnet_flow_t flow;
+ u32 flow_index = ~0;
+ vl_api_flow_rule_v2_t *f = &mp->flow;
+
+ vnet_main_t *vnm = vnet_get_main ();
+
+ flow.type = ntohl (f->type);
+ flow.actions = ntohl (f->actions);
+ flow.mark_flow_id = ntohl (f->mark_flow_id);
+ flow.redirect_node_index = ntohl (f->redirect_node_index);
+ flow.redirect_device_input_next_index =
+ ntohl (f->redirect_device_input_next_index);
+ flow.redirect_queue = ntohl (f->redirect_queue);
+ flow.buffer_advance = ntohl (f->buffer_advance);
+ flow.queue_index = ntohl (f->queue_index);
+ flow.queue_num = ntohl (f->queue_num);
+ flow.rss_types = ntohl (f->rss_types);
+ flow.rss_fun = ntohl (f->rss_fun);
+
+ switch (flow.type)
+ {
+ case VNET_FLOW_TYPE_IP4:
+ ipv4_flow_convert (&f->flow.ip4, &flow.ip4);
+ break;
+ case VNET_FLOW_TYPE_IP6:
+ ipv6_flow_convert (&f->flow.ip6, &flow.ip6);
+ break;
+ case VNET_FLOW_TYPE_IP4_N_TUPLE:
+ ipv4_n_tuple_flow_convert (&f->flow.ip4_n_tuple, &flow.ip4_n_tuple);
+ break;
+ case VNET_FLOW_TYPE_IP6_N_TUPLE:
+ ipv6_n_tuple_flow_convert (&f->flow.ip6_n_tuple, &flow.ip6_n_tuple);
+ break;
+ case VNET_FLOW_TYPE_IP4_N_TUPLE_TAGGED:
+ ipv4_n_tuple_tagged_flow_convert (&f->flow.ip4_n_tuple_tagged,
+ &flow.ip4_n_tuple_tagged);
+ break;
+ case VNET_FLOW_TYPE_IP6_N_TUPLE_TAGGED:
+ ipv6_n_tuple_tagged_flow_convert (&f->flow.ip6_n_tuple_tagged,
+ &flow.ip6_n_tuple_tagged);
+ break;
+ case VNET_FLOW_TYPE_IP4_L2TPV3OIP:
+ ipv4_l2tpv3oip_flow_convert (&f->flow.ip4_l2tpv3oip,
+ &flow.ip4_l2tpv3oip);
+ break;
+ case VNET_FLOW_TYPE_IP4_IPSEC_ESP:
+ ipv4_ipsec_esp_flow_convert (&f->flow.ip4_ipsec_esp,
+ &flow.ip4_ipsec_esp);
+ break;
+ case VNET_FLOW_TYPE_IP4_IPSEC_AH:
+ ipv4_ipsec_ah_flow_convert (&f->flow.ip4_ipsec_ah, &flow.ip4_ipsec_ah);
+ break;
+ case VNET_FLOW_TYPE_IP4_VXLAN:
+ ipv4_vxlan_flow_convert (&f->flow.ip4_vxlan, &flow.ip4_vxlan);
+ break;
+ case VNET_FLOW_TYPE_IP6_VXLAN:
+ ipv6_vxlan_flow_convert (&f->flow.ip6_vxlan, &flow.ip6_vxlan);
+ break;
+ case VNET_FLOW_TYPE_IP4_GTPU:
+ ipv4_gtpu_flow_convert (&f->flow.ip4_gtpu, &flow.ip4_gtpu);
+ break;
+ case VNET_FLOW_TYPE_IP4_GTPC:
+ ipv4_gtpc_flow_convert (&f->flow.ip4_gtpc, &flow.ip4_gtpc);
+ break;
+ case VNET_FLOW_TYPE_GENERIC:
+ generic_flow_convert (&f->flow.generic, &flow.generic);
+ break;
+ default:
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto out;
+ break;
+ }
+
+ rv = vnet_flow_add (vnm, &flow, &flow_index);
+
+out:
+ REPLY_MACRO2 (VL_API_FLOW_ADD_V2_REPLY,
+ ({ rmp->flow_index = ntohl (flow_index); }));
+}
+
+static void
vl_api_flow_del_t_handler (vl_api_flow_del_t * mp)
{
vl_api_flow_add_reply_t *rmp;
diff --git a/src/vnet/flow/flow_types.api b/src/vnet/flow/flow_types.api
index 86f7ce1..1696001 100644
--- a/src/vnet/flow/flow_types.api
+++ b/src/vnet/flow/flow_types.api
@@ -14,7 +14,7 @@
* limitations under the License.
*/
-option version = "0.0.3";
+option version = "0.0.4";
import "vnet/ethernet/ethernet_types.api";
import "vnet/ip/ip_types.api";
@@ -36,6 +36,25 @@
FLOW_TYPE_IP4_GTPU,
};
+enum flow_type_v2
+{
+ FLOW_TYPE_ETHERNET_V2 = 1,
+ FLOW_TYPE_IP4_V2,
+ FLOW_TYPE_IP6_V2,
+ FLOW_TYPE_IP4_L2TPV3OIP_V2,
+ FLOW_TYPE_IP4_IPSEC_ESP_V2,
+ FLOW_TYPE_IP4_IPSEC_AH_V2,
+ FLOW_TYPE_IP4_N_TUPLE_V2,
+ FLOW_TYPE_IP6_N_TUPLE_V2,
+ FLOW_TYPE_IP4_N_TUPLE_TAGGED_V2,
+ FLOW_TYPE_IP6_N_TUPLE_TAGGED_V2,
+ FLOW_TYPE_IP4_VXLAN_V2,
+ FLOW_TYPE_IP6_VXLAN_V2,
+ FLOW_TYPE_IP4_GTPC_V2,
+ FLOW_TYPE_IP4_GTPU_V2,
+ FLOW_TYPE_GENERIC_V2,
+};
+
enum flow_action
{
FLOW_ACTION_COUNT = 1,
@@ -46,6 +65,31 @@
FLOW_ACTION_DROP = 64,
};
+enum flow_action_v2
+{
+ FLOW_ACTION_COUNT_V2 = 1,
+ FLOW_ACTION_MARK_V2 = 2,
+ FLOW_ACTION_BUFFER_ADVANCE_V2 = 4,
+ FLOW_ACTION_REDIRECT_TO_NODE_V2 = 8,
+ FLOW_ACTION_REDIRECT_TO_QUEUE_V2 = 16,
+ FLOW_ACTION_RSS_V2 = 32,
+ FLOW_ACTION_DROP_V2 = 64,
+};
+
+enum rss_function
+{
+ RSS_FUNC_DEFAULT,
+ RSS_FUNC_TOEPLITZ,
+ RSS_FUNC_SIMPLE_XOR,
+ RSS_FUNC_SYMMETRIC_TOEPLITZ,
+};
+
+typedef generic_pattern
+{
+ u8 spec[1024];
+ u8 mask[1024];
+};
+
typedef ip_port_and_mask
{
u16 port;
@@ -193,6 +237,12 @@
u32 teid;
};
+typedef flow_generic
+{
+ i32 foo;
+ vl_api_generic_pattern_t pattern;
+};
+
union flow
{
vl_api_flow_ethernet_t ethernet;
@@ -211,6 +261,25 @@
vl_api_flow_ip4_gtpu_t ip4_gtpu;
};
+union flow_v2
+{
+ vl_api_flow_ethernet_t ethernet;
+ vl_api_flow_ip4_t ip4;
+ vl_api_flow_ip6_t ip6;
+ vl_api_flow_ip4_l2tpv3oip_t ip4_l2tpv3oip;
+ vl_api_flow_ip4_ipsec_esp_t ip4_ipsec_esp;
+ vl_api_flow_ip4_ipsec_ah_t ip4_ipsec_ah;
+ vl_api_flow_ip4_n_tuple_t ip4_n_tuple;
+ vl_api_flow_ip6_n_tuple_t ip6_n_tuple;
+ vl_api_flow_ip4_n_tuple_tagged_t ip4_n_tuple_tagged;
+ vl_api_flow_ip6_n_tuple_tagged_t ip6_n_tuple_tagged;
+ vl_api_flow_ip4_vxlan_t ip4_vxlan;
+ vl_api_flow_ip6_vxlan_t ip6_vxlan;
+ vl_api_flow_ip4_gtpc_t ip4_gtpc;
+ vl_api_flow_ip4_gtpu_t ip4_gtpu;
+ vl_api_flow_generic_t generic;
+};
+
/* main flow struct */
typedef flow_rule
{
@@ -240,3 +309,41 @@
vl_api_flow_t flow;
};
+/* main flow struct */
+typedef flow_rule_v2
+{
+ /* flow type */
+ vl_api_flow_type_v2_t type;
+
+ /* flow index */
+ u32 index;
+
+ /* bitmap of flow actions (FLOW_ACTION_*) */
+ vl_api_flow_action_v2_t actions;
+
+ /* flow id for VNET_FLOW_ACTION_MARK */
+ u32 mark_flow_id;
+
+ /* node index and next index for FLOW_ACTION_REDIRECT_TO_NODE */
+ u32 redirect_node_index;
+ u32 redirect_device_input_next_index;
+
+ /* queue for FLOW_ACTION_REDIRECT_TO_QUEUE */
+ u32 redirect_queue;
+
+ /* start queue index and queue numbers for RSS queue group with FLOW_ACTION_RSS */
+ u32 queue_index;
+ u32 queue_num;
+
+ /* buffer offset for FLOW_ACTION_BUFFER_ADVANCE */
+ i32 buffer_advance;
+
+ /* RSS types, including IPv4/IPv6/TCP/UDP... */
+ u64 rss_types;
+
+ /* RSS functions, including IPv4/IPv6/TCP/UDP... */
+ vl_api_rss_function_t rss_fun;
+
+ /* flow enum */
+ vl_api_flow_v2_t flow;
+};