[dpdk-dev] [PATCH v4 2/4] net/i40e: add support for raw flow type for flow director

[Kirill Rybalchenko]

When addidng flow director filter for raw flow type, instead
of constructing packet use buffer with pre-constructed packet.

v3:
Merge with dynamic pctype to flow type mapping patch.

Signed-off-by: Kirill Rybalchenko <kirill.rybalche...@intel.com>
---
 drivers/net/i40e/i40e_fdir.c | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 491c643..4b6a64f 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -1456,7 +1456,17 @@ i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
                return -ENOTSUP;
        }
 
-       pctype = i40e_flowtype_to_pctype(pf->adapter, filter->input.flow_type);
+       if (filter->input.flow_type == RTE_ETH_FLOW_RAW) {
+               if (filter->input.flow.raw_flow.length > I40E_FDIR_PKT_LEN ||
+                   !filter->input.flow.raw_flow.packet) {
+                       PMD_DRV_LOG(ERR, "Invalid raw flow filter parameters!");
+                       return -EINVAL;
+               }
+               pctype = i40e_flowtype_to_pctype(pf->adapter,
+                                                
filter->input.flow.raw_flow.flow);
+       } else
+               pctype = i40e_flowtype_to_pctype(pf->adapter,
+                                                filter->input.flow_type);
        if (pctype == I40E_FILTER_PCTYPE_INVALID) {
                PMD_DRV_LOG(ERR, "invalid flow_type input.");
                return -EINVAL;
@@ -1473,10 +1483,15 @@ i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
 
        memset(pkt, 0, I40E_FDIR_PKT_LEN);
 
-       ret = i40e_fdir_construct_pkt(pf, &filter->input, pkt);
-       if (ret < 0) {
-               PMD_DRV_LOG(ERR, "construct packet for fdir fails.");
-               return ret;
+       if (filter->input.flow_type == RTE_ETH_FLOW_RAW) {
+               memcpy(pkt, filter->input.flow.raw_flow.packet,
+                      filter->input.flow.raw_flow.length);
+       } else {
+               ret = i40e_fdir_construct_pkt(pf, &filter->input, pkt);
+               if (ret < 0) {
+                       PMD_DRV_LOG(ERR, "construct packet for fdir fails.");
+                       return ret;
+               }
        }
 
        if (hw->mac.type == I40E_MAC_X722) {
-- 
2.5.5