Implements support for match on inner ETH header.
Updates flow dump output to print both outer and
inner l2 masks.

Signed-off-by: Serhii Iliushyk <[email protected]>
---
 drivers/net/ntnic/include/flow_api_engine.h   |  1 +
 .../profile_inline/flow_api_hw_db_inline.c    |  9 ++++--
 .../profile_inline/flow_api_hw_db_inline.h    |  1 +
 .../profile_inline/flow_api_profile_inline.c  | 30 +++++++++++--------
 4 files changed, 25 insertions(+), 16 deletions(-)

diff --git a/drivers/net/ntnic/include/flow_api_engine.h 
b/drivers/net/ntnic/include/flow_api_engine.h
index 6a27ba8e12..362e1666bd 100644
--- a/drivers/net/ntnic/include/flow_api_engine.h
+++ b/drivers/net/ntnic/include/flow_api_engine.h
@@ -203,6 +203,7 @@ struct nic_flow_def {
        int l3_prot;
        int l4_prot;
        int tunnel_prot;
+       int tunnel_l2_prot;
        int tunnel_l3_prot;
        int tunnel_l4_prot;
        int vlans;
diff --git 
a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.c 
b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.c
index 5de4f6bae7..5caf5b2768 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.c
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.c
@@ -396,10 +396,11 @@ void nthw_db_inline_dump(struct flow_nic_dev *ndev, void 
*db_handle, const struc
                        fprintf(file, "    Port msk 0x%02x, VLAN msk 0x%02x\n",
                                (int)data->mac_port_mask, (int)data->vlan_mask);
                        fprintf(file,
-                               "    Proto msks: Frag 0x%02x, l2 0x%02x, l3 
0x%02x, l4 0x%02x, l3t 0x%02x, l4t 0x%02x\n",
+                               "    Proto msks: Frag 0x%02x, l2 0x%02x, l3 
0x%02x, l4 0x%02x, l2t 0x%02x, l3t 0x%02x, l4t 0x%02x\n",
                                (int)data->ptc_mask_frag, 
(int)data->ptc_mask_l2,
                                (int)data->ptc_mask_l3, (int)data->ptc_mask_l4,
-                               (int)data->ptc_mask_l3_tunnel, 
(int)data->ptc_mask_l4_tunnel);
+                               (int)data->ptc_mask_l2_tunnel, 
(int)data->ptc_mask_l3_tunnel,
+                               (int)data->ptc_mask_l4_tunnel);
                        fprintf(file, "    IP protocol: pn %u pnt %u\n", 
data->ip_prot,
                                data->ip_prot_tunnel);
                        break;
@@ -958,7 +959,8 @@ static int hw_db_inline_filter_apply(struct flow_nic_dev 
*ndev,
                nthw_mod_cat_cfn_set(&ndev->be, HW_CAT_CFN_PTC_L4, cat_hw_id, 
0, cat->ptc_mask_l4);
                nthw_mod_cat_cfn_set(&ndev->be, HW_CAT_CFN_PTC_TUNNEL, 
cat_hw_id, 0,
                        cat->ptc_mask_tunnel);
-               nthw_mod_cat_cfn_set(&ndev->be, HW_CAT_CFN_PTC_TNL_L2, 
cat_hw_id, 0, -1);
+               nthw_mod_cat_cfn_set(&ndev->be, HW_CAT_CFN_PTC_TNL_L2, 
cat_hw_id, 0,
+                       cat->ptc_mask_l2_tunnel);
                nthw_mod_cat_cfn_set(&ndev->be, HW_CAT_CFN_PTC_TNL_VLAN, 
cat_hw_id, 0, -1);
                nthw_mod_cat_cfn_set(&ndev->be, HW_CAT_CFN_PTC_TNL_MPLS, 
cat_hw_id, 0, -1);
                nthw_mod_cat_cfn_set(&ndev->be, HW_CAT_CFN_PTC_TNL_L3, 
cat_hw_id, 0,
@@ -2294,6 +2296,7 @@ static int hw_db_inline_cat_compare(const struct 
hw_db_inline_cat_data *data1,
                data1->ptc_mask_l3 == data2->ptc_mask_l3 &&
                data1->ptc_mask_l4 == data2->ptc_mask_l4 &&
                data1->ptc_mask_tunnel == data2->ptc_mask_tunnel &&
+               data1->ptc_mask_l2_tunnel == data2->ptc_mask_l2_tunnel &&
                data1->ptc_mask_l3_tunnel == data2->ptc_mask_l3_tunnel &&
                data1->ptc_mask_l4_tunnel == data2->ptc_mask_l4_tunnel &&
                data1->err_mask_ttl_tunnel == data2->err_mask_ttl_tunnel &&
diff --git 
a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.h 
b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.h
index b2bd2f6d2d..ec36678c12 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.h
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.h
@@ -219,6 +219,7 @@ struct hw_db_inline_cat_data {
        uint32_t err_mask_ttl : 2;
        uint32_t padding1 : 9;
 
+       uint8_t ptc_mask_l2_tunnel;
        uint8_t ip_prot;
        uint8_t ip_prot_tunnel;
 };
diff --git 
a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c 
b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
index d9c10a8eab..f8a4ab715c 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
@@ -908,6 +908,7 @@ static inline struct nic_flow_def 
*prepare_nic_flow_def(struct nic_flow_def *fd)
                fd->l4_prot = -1;
                fd->vlans = 0;
                fd->tunnel_prot = -1;
+               fd->tunnel_l2_prot = -1;
                fd->tunnel_l3_prot = -1;
                fd->tunnel_l4_prot = -1;
                fd->fragmentation = -1;
@@ -928,7 +929,8 @@ static inline struct nic_flow_def 
*allocate_nic_flow_def(void)
 static bool fd_has_empty_pattern(const struct nic_flow_def *fd)
 {
        return fd && fd->vlans == 0 && fd->l2_prot < 0 && fd->l3_prot < 0 && 
fd->l4_prot < 0 &&
-               fd->tunnel_prot < 0 && fd->tunnel_l3_prot < 0 && 
fd->tunnel_l4_prot < 0 &&
+               fd->tunnel_prot < 0 && fd->tunnel_l2_prot < 0 &&
+               fd->tunnel_l3_prot < 0 && fd->tunnel_l4_prot < 0 &&
                fd->ip_prot < 0 && fd->tunnel_ip_prot < 0 && fd->non_empty < 0;
 }
 
@@ -1798,15 +1800,11 @@ static int interpret_flow_elements(const struct 
flow_eth_dev *dev,
                                const struct rte_ether_hdr *eth_mask =
                                        (const struct rte_ether_hdr 
*)elem[eidx].mask;
 
-                               if (any_count > 0) {
-                                       NT_LOG(ERR, FILTER,
-                                               "Tunneled L2 ethernet not 
supported");
-                                       nthw_flow_nic_set_error(ERR_FAILED, 
error);
-                                       return -1;
-                               }
-
                                if (eth_spec == NULL || eth_mask == NULL) {
-                                       fd->l2_prot = PROT_L2_ETH2;
+                                       if (any_count > 0 || fd->l2_prot != -1)
+                                               fd->tunnel_l2_prot = 
PROT_L2_ETH2;
+                                       else
+                                               fd->l2_prot = PROT_L2_ETH2;
                                        break;
                                }
 
@@ -1876,8 +1874,10 @@ static int interpret_flow_elements(const struct 
flow_eth_dev *dev,
 
                                        nthw_km_add_match_elem(&fd->km,
                                                &qw_data[(size_t)(qw_counter * 
4)],
-                                               &qw_mask[(size_t)(qw_counter * 
4)], 4, DYN_L2, 0);
-                                       set_key_def_qw(key_def, qw_counter, 
DYN_L2, 0);
+                                               &qw_mask[(size_t)(qw_counter * 
4)], 4,
+                                                       any_count > 0 ? 
DYN_TUN_L2 : DYN_L2, 0);
+                                       set_key_def_qw(key_def, qw_counter,
+                                               any_count > 0 ? DYN_TUN_L2 : 
DYN_L2, 0);
                                        qw_counter += 1;
 
                                        if (!non_zero)
@@ -1898,8 +1898,10 @@ static int interpret_flow_elements(const struct 
flow_eth_dev *dev,
                                        sw_data[0] = 
ntohs(eth_spec->ether_type) << 16 & sw_mask[0];
 
                                        nthw_km_add_match_elem(&fd->km, 
&sw_data[0],
-                                               &sw_mask[0], 1, DYN_L2, 12);
-                                       set_key_def_sw(key_def, sw_counter, 
DYN_L2, 12);
+                                               &sw_mask[0], 1,
+                                               any_count > 0 ? DYN_TUN_L2 : 
DYN_L2, 12);
+                                       set_key_def_sw(key_def, sw_counter,
+                                               any_count > 0 ? DYN_TUN_L2 : 
DYN_L2, 12);
                                        sw_counter += 1;
                                }
 
@@ -3699,6 +3701,8 @@ static struct flow_handle *create_flow_filter(struct 
flow_eth_dev *dev, struct n
                                fd->ttl_sub_outer) ? -1 : 0x1,
                        .ptc_mask_tunnel = fd->tunnel_prot !=
                        -1 ? (1 << (fd->tunnel_prot > 10 ? 10 : 
fd->tunnel_prot)) : -1,
+                       .ptc_mask_l2_tunnel =
+                               fd->tunnel_l2_prot != -1 ? (1 << 
fd->tunnel_l2_prot) : -1,
                        .ptc_mask_l3_tunnel =
                                fd->tunnel_l3_prot != -1 ? (1 << 
fd->tunnel_l3_prot) : -1,
                        .ptc_mask_l4_tunnel =
-- 
2.45.0

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