Enable the flow action for RSS queue group. Packets can be distributed
among queues in group based on specific fields. Queues must be continous
in the group. This feature is to support 5G enhancement requirement.
Type: feature
Signed-off-by: Ting Xu <ting.xu@intel.com>
Change-Id: I74fdc617659bcb61f00b3b1934c95ab1c73bb8f3
+/** Maximum number of queue indices in struct rte_flow_action_rss. */
+#define ACTION_RSS_QUEUE_NUM 128
+
+static inline void
+dpdk_flow_convert_rss_queues (u32 queue_index, u32 queue_num,
+ struct rte_flow_action_rss *rss)
+{
+ u16 *queues = clib_mem_alloc (sizeof (*queues) * ACTION_RSS_QUEUE_NUM);
+ int i;
+
+ for (i = 0; i < queue_num; i++)
+ queues[i] = queue_index++;
+
+ rss->queue_num = queue_num;
+ rss->queue = queues;
+
+ return;
+}
+
static inline enum rte_eth_hash_function
dpdk_flow_convert_rss_func (vnet_rss_function_t func)
{
static inline enum rte_eth_hash_function
dpdk_flow_convert_rss_func (vnet_rss_function_t func)
{
/* convert types to DPDK rss bitmask */
dpdk_flow_convert_rss_types (f->rss_types, &rss_type);
/* convert types to DPDK rss bitmask */
dpdk_flow_convert_rss_types (f->rss_types, &rss_type);
+ if (f->queue_num)
+ /* convert rss queues to array */
+ dpdk_flow_convert_rss_queues (f->queue_index, f->queue_num, &rss);
+
rss.types = rss_type;
if ((rss.func = dpdk_flow_convert_rss_func (f->rss_fun)) ==
RTE_ETH_HASH_FUNCTION_MAX)
rss.types = rss_type;
if ((rss.func = dpdk_flow_convert_rss_func (f->rss_fun)) ==
RTE_ETH_HASH_FUNCTION_MAX)
/* queue for VNET_FLOW_ACTION_REDIRECT_TO_QUEUE */
u32 redirect_queue;
/* queue for VNET_FLOW_ACTION_REDIRECT_TO_QUEUE */
u32 redirect_queue;
+ /* start queue index and queue numbers for RSS queue group */
+ u32 queue_index;
+ u32 queue_num;
+
/* buffer offset for VNET_FLOW_ACTION_BUFFER_ADVANCE */
i32 buffer_advance;
/* buffer offset for VNET_FLOW_ACTION_BUFFER_ADVANCE */
i32 buffer_advance;
int rv;
u32 teid = 0, session_id = 0, spi = 0;
u32 vni = 0;
int rv;
u32 teid = 0, session_id = 0, spi = 0;
u32 vni = 0;
+ u32 queue_start = 0, queue_end = 0;
vnet_flow_type_t type = VNET_FLOW_TYPE_UNKNOWN;
ip4_address_and_mask_t ip4s = { };
ip4_address_and_mask_t ip4d = { };
vnet_flow_type_t type = VNET_FLOW_TYPE_UNKNOWN;
ip4_address_and_mask_t ip4s = { };
ip4_address_and_mask_t ip4d = { };
#undef _
flow.actions |= VNET_FLOW_ACTION_RSS;
}
#undef _
flow.actions |= VNET_FLOW_ACTION_RSS;
}
+ else if (unformat (line_input, "rss queues"))
+ {
+ if (unformat (line_input, "%d to %d", &queue_start, &queue_end))
+ ;
+ else
+ {
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ }
+
+ flow.queue_index = queue_start;
+ flow.queue_num = queue_end - queue_start + 1;
+
+ flow.actions |= VNET_FLOW_ACTION_RSS;
+ }
else if (unformat (line_input, "%U", unformat_vnet_hw_interface, vnm,
&hw_if_index))
;
else if (unformat (line_input, "%U", unformat_vnet_hw_interface, vnm,
&hw_if_index))
;
"[spec <spec string>] [mask <mask string>]"
"[next-node <node>] [mark <id>] [buffer-advance <len>] "
"[redirect-to-queue <queue>] [drop] "
"[spec <spec string>] [mask <mask string>]"
"[next-node <node>] [mark <id>] [buffer-advance <len>] "
"[redirect-to-queue <queue>] [drop] "
- "[rss function <name>] [rss types <flow type>]",
+ "[rss function <name>] [rss types <flow type>]"
+ "[rss queues <queue_start> to <queue_end>]",
.function = test_flow,
};
/* *INDENT-ON* */
.function = test_flow,
};
/* *INDENT-ON* */