diff options
| author |   Ting Xu <ting.xu@intel.com> | 2022-03-25 03:45:07 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2022-04-26 15:45:07 +0000 |
| commit | b95e6d4e75be250629b69e18290f866b1a737a41 (patch) | |
| tree | 9d432a7e560475b48a5e95804e2b200257a67163 /src/plugins/dpdk/device/flow.c | |
| parent | d82f471a059cf6d7fae76658b2f6f31df96d5773 (diff) | |
flow: enable RSS queue group action for 5G enhancement
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
Diffstat (limited to 'src/plugins/dpdk/device/flow.c')
| -rw-r--r-- | src/plugins/dpdk/device/flow.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/plugins/dpdk/device/flow.c b/src/plugins/dpdk/device/flow.c index 91541f40163..9f765a6f845 100644 --- a/src/plugins/dpdk/device/flow.c +++ b/src/plugins/dpdk/device/flow.c @@ -103,6 +103,25 @@ dpdk_flow_convert_rss_types (u64 type, u64 * dpdk_rss_type) return; } +/** 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) { @@ -505,6 +524,10 @@ pattern_end: /* 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) |