OSDN Git Service

net/mlx5: Move TTC logic to fs_ttc
authorMaor Gottlieb <maorg@nvidia.com>
Fri, 2 Jul 2021 07:38:32 +0000 (10:38 +0300)
committerSaeed Mahameed <saeedm@nvidia.com>
Tue, 3 Aug 2021 02:26:26 +0000 (19:26 -0700)
Now that TTC logic is not dependent on mlx5e structs, move it to
lib/fs_ttc.c so it could be used other part of the mlx5 driver.

Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
drivers/net/ethernet/mellanox/mlx5/core/Makefile
drivers/net/ethernet/mellanox/mlx5/core/en.h
drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c [new file with mode: 0644]
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.h [new file with mode: 0644]
include/linux/mlx5/fs.h

index e8522cc..33e550d 100644 (file)
@@ -15,7 +15,7 @@ mlx5_core-y :=        main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
                health.o mcg.o cq.o alloc.o port.o mr.o pd.o \
                transobj.o vport.o sriov.o fs_cmd.o fs_core.o pci_irq.o \
                fs_counters.o fs_ft_pool.o rl.o lag.o dev.o events.o wq.o lib/gid.o \
-               lib/devcom.o lib/pci_vsc.o lib/dm.o diag/fs_tracepoint.o \
+               lib/devcom.o lib/pci_vsc.o lib/dm.o lib/fs_ttc.o diag/fs_tracepoint.o \
                diag/fw_tracer.o diag/crdump.o devlink.o diag/rsc_dump.o \
                fw_reset.o qos.o
 
index 594b797..4f6897c 100644 (file)
@@ -66,8 +66,6 @@ struct page_pool;
 #define MLX5E_METADATA_ETHER_TYPE (0x8CE4)
 #define MLX5E_METADATA_ETHER_LEN 8
 
-#define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
-
 #define MLX5E_ETH_HARD_MTU (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
 
 #define MLX5E_HW2SW_MTU(params, hwmtu) ((hwmtu) - ((params)->hard_mtu))
index c289f70..8e7794c 100644 (file)
@@ -5,6 +5,7 @@
 #define __MLX5E_FLOW_STEER_H__
 
 #include "mod_hdr.h"
+#include "lib/fs_ttc.h"
 
 enum {
        MLX5E_TC_FT_LEVEL = 0,
@@ -67,21 +68,6 @@ struct mlx5e_l2_table {
        bool                       promisc_enabled;
 };
 
-enum mlx5_traffic_types {
-       MLX5_TT_IPV4_TCP,
-       MLX5_TT_IPV6_TCP,
-       MLX5_TT_IPV4_UDP,
-       MLX5_TT_IPV6_UDP,
-       MLX5_TT_IPV4_IPSEC_AH,
-       MLX5_TT_IPV6_IPSEC_AH,
-       MLX5_TT_IPV4_IPSEC_ESP,
-       MLX5_TT_IPV6_IPSEC_ESP,
-       MLX5_TT_IPV4,
-       MLX5_TT_IPV6,
-       MLX5_TT_ANY,
-       MLX5_NUM_TT,
-};
-
 #define MLX5E_NUM_INDIR_TIRS (MLX5_NUM_TT - 1)
 
 #define MLX5_HASH_IP           (MLX5_HASH_FIELD_SEL_SRC_IP   |\
@@ -94,32 +80,6 @@ enum mlx5_traffic_types {
                                 MLX5_HASH_FIELD_SEL_DST_IP   |\
                                 MLX5_HASH_FIELD_SEL_IPSEC_SPI)
 
-enum mlx5_tunnel_types {
-       MLX5_TT_IPV4_GRE,
-       MLX5_TT_IPV6_GRE,
-       MLX5_TT_IPV4_IPIP,
-       MLX5_TT_IPV6_IPIP,
-       MLX5_TT_IPV4_IPV6,
-       MLX5_TT_IPV6_IPV6,
-       MLX5_NUM_TUNNEL_TT,
-};
-
-bool mlx5_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev);
-
-struct mlx5_ttc_rule {
-       struct mlx5_flow_handle *rule;
-       struct mlx5_flow_destination default_dest;
-};
-
-/* L3/L4 traffic type classifier */
-struct mlx5_ttc_table {
-       int num_groups;
-       struct mlx5_flow_table *t;
-       struct mlx5_flow_group **g;
-       struct mlx5_ttc_rule rules[MLX5_NUM_TT];
-       struct mlx5_flow_handle *tunnel_rules[MLX5_NUM_TUNNEL_TT];
-};
-
 /* NIC prio FTS */
 enum {
        MLX5E_PROMISC_FT_LEVEL,
@@ -141,22 +101,6 @@ enum {
 #endif
 };
 
-#define MLX5_TTC_NUM_GROUPS    3
-#define MLX5_TTC_GROUP1_SIZE   (BIT(3) + MLX5_NUM_TUNNEL_TT)
-#define MLX5_TTC_GROUP2_SIZE    BIT(1)
-#define MLX5_TTC_GROUP3_SIZE    BIT(0)
-#define MLX5_TTC_TABLE_SIZE    (MLX5_TTC_GROUP1_SIZE +\
-                                MLX5_TTC_GROUP2_SIZE +\
-                                MLX5_TTC_GROUP3_SIZE)
-
-#define MLX5_INNER_TTC_NUM_GROUPS      3
-#define MLX5_INNER_TTC_GROUP1_SIZE     BIT(3)
-#define MLX5_INNER_TTC_GROUP2_SIZE     BIT(1)
-#define MLX5_INNER_TTC_GROUP3_SIZE     BIT(0)
-#define MLX5_INNER_TTC_TABLE_SIZE      (MLX5_INNER_TTC_GROUP1_SIZE +\
-                                        MLX5_INNER_TTC_GROUP2_SIZE +\
-                                        MLX5_INNER_TTC_GROUP3_SIZE)
-
 struct mlx5e_priv;
 
 #ifdef CONFIG_MLX5_EN_RXNFC
@@ -238,29 +182,10 @@ struct mlx5e_flow_steering {
        struct mlx5e_ptp_fs            *ptp_fs;
 };
 
-struct ttc_params {
-       struct mlx5_flow_namespace *ns;
-       struct mlx5_flow_table_attr ft_attr;
-       struct mlx5_flow_destination dests[MLX5_NUM_TT];
-       bool   inner_ttc;
-       struct mlx5_flow_destination tunnel_dests[MLX5_NUM_TUNNEL_TT];
-};
-
 void mlx5e_set_ttc_params(struct mlx5e_priv *priv,
                          struct ttc_params *ttc_params, bool tunnel);
 
-int mlx5_create_ttc_table(struct mlx5_core_dev *dev, struct ttc_params *params,
-                         struct mlx5_ttc_table *ttc);
-void mlx5_destroy_ttc_table(struct mlx5_ttc_table *ttc);
-
 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
-int mlx5_ttc_fwd_dest(struct mlx5_ttc_table *ttc, enum mlx5_traffic_types type,
-                     struct mlx5_flow_destination *new_dest);
-struct mlx5_flow_destination
-mlx5_ttc_get_default_dest(struct mlx5_ttc_table *ttc,
-                         enum mlx5_traffic_types type);
-int mlx5_ttc_fwd_default_dest(struct mlx5_ttc_table *ttc,
-                             enum mlx5_traffic_types type);
 
 void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
 void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
@@ -268,7 +193,6 @@ void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
 
-u8 mlx5_get_proto_by_tunnel_type(enum mlx5_tunnel_types tt);
 int mlx5e_add_vlan_trap(struct mlx5e_priv *priv, int  trap_id, int tir_num);
 void mlx5e_remove_vlan_trap(struct mlx5e_priv *priv);
 int mlx5e_add_mac_trap(struct mlx5e_priv *priv, int  trap_id, int tir_num);
index a03842d..cbad057 100644 (file)
@@ -854,454 +854,6 @@ void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft)
        ft->t = NULL;
 }
 
-static void mlx5_cleanup_ttc_rules(struct mlx5_ttc_table *ttc)
-{
-       int i;
-
-       for (i = 0; i < MLX5_NUM_TT; i++) {
-               if (!IS_ERR_OR_NULL(ttc->rules[i].rule)) {
-                       mlx5_del_flow_rules(ttc->rules[i].rule);
-                       ttc->rules[i].rule = NULL;
-               }
-       }
-
-       for (i = 0; i < MLX5_NUM_TUNNEL_TT; i++) {
-               if (!IS_ERR_OR_NULL(ttc->tunnel_rules[i])) {
-                       mlx5_del_flow_rules(ttc->tunnel_rules[i]);
-                       ttc->tunnel_rules[i] = NULL;
-               }
-       }
-}
-
-struct mlx5_etype_proto {
-       u16 etype;
-       u8 proto;
-};
-
-static struct mlx5_etype_proto ttc_rules[] = {
-       [MLX5_TT_IPV4_TCP] = {
-               .etype = ETH_P_IP,
-               .proto = IPPROTO_TCP,
-       },
-       [MLX5_TT_IPV6_TCP] = {
-               .etype = ETH_P_IPV6,
-               .proto = IPPROTO_TCP,
-       },
-       [MLX5_TT_IPV4_UDP] = {
-               .etype = ETH_P_IP,
-               .proto = IPPROTO_UDP,
-       },
-       [MLX5_TT_IPV6_UDP] = {
-               .etype = ETH_P_IPV6,
-               .proto = IPPROTO_UDP,
-       },
-       [MLX5_TT_IPV4_IPSEC_AH] = {
-               .etype = ETH_P_IP,
-               .proto = IPPROTO_AH,
-       },
-       [MLX5_TT_IPV6_IPSEC_AH] = {
-               .etype = ETH_P_IPV6,
-               .proto = IPPROTO_AH,
-       },
-       [MLX5_TT_IPV4_IPSEC_ESP] = {
-               .etype = ETH_P_IP,
-               .proto = IPPROTO_ESP,
-       },
-       [MLX5_TT_IPV6_IPSEC_ESP] = {
-               .etype = ETH_P_IPV6,
-               .proto = IPPROTO_ESP,
-       },
-       [MLX5_TT_IPV4] = {
-               .etype = ETH_P_IP,
-               .proto = 0,
-       },
-       [MLX5_TT_IPV6] = {
-               .etype = ETH_P_IPV6,
-               .proto = 0,
-       },
-       [MLX5_TT_ANY] = {
-               .etype = 0,
-               .proto = 0,
-       },
-};
-
-static struct mlx5_etype_proto ttc_tunnel_rules[] = {
-       [MLX5_TT_IPV4_GRE] = {
-               .etype = ETH_P_IP,
-               .proto = IPPROTO_GRE,
-       },
-       [MLX5_TT_IPV6_GRE] = {
-               .etype = ETH_P_IPV6,
-               .proto = IPPROTO_GRE,
-       },
-       [MLX5_TT_IPV4_IPIP] = {
-               .etype = ETH_P_IP,
-               .proto = IPPROTO_IPIP,
-       },
-       [MLX5_TT_IPV6_IPIP] = {
-               .etype = ETH_P_IPV6,
-               .proto = IPPROTO_IPIP,
-       },
-       [MLX5_TT_IPV4_IPV6] = {
-               .etype = ETH_P_IP,
-               .proto = IPPROTO_IPV6,
-       },
-       [MLX5_TT_IPV6_IPV6] = {
-               .etype = ETH_P_IPV6,
-               .proto = IPPROTO_IPV6,
-       },
-
-};
-
-u8 mlx5_get_proto_by_tunnel_type(enum mlx5_tunnel_types tt)
-{
-       return ttc_tunnel_rules[tt].proto;
-}
-
-static bool mlx5_tunnel_proto_supported_rx(struct mlx5_core_dev *mdev,
-                                          u8 proto_type)
-{
-       switch (proto_type) {
-       case IPPROTO_GRE:
-               return MLX5_CAP_ETH(mdev, tunnel_stateless_gre);
-       case IPPROTO_IPIP:
-       case IPPROTO_IPV6:
-               return (MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip) ||
-                       MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip_rx));
-       default:
-               return false;
-       }
-}
-
-static bool mlx5_tunnel_any_rx_proto_supported(struct mlx5_core_dev *mdev)
-{
-       int tt;
-
-       for (tt = 0; tt < MLX5_NUM_TUNNEL_TT; tt++) {
-               if (mlx5_tunnel_proto_supported_rx(mdev,
-                                                  ttc_tunnel_rules[tt].proto))
-                       return true;
-       }
-       return false;
-}
-
-bool mlx5_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
-{
-       return (mlx5_tunnel_any_rx_proto_supported(mdev) &&
-               MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
-                                         ft_field_support.inner_ip_version));
-}
-
-static u8 mlx5_etype_to_ipv(u16 ethertype)
-{
-       if (ethertype == ETH_P_IP)
-               return 4;
-
-       if (ethertype == ETH_P_IPV6)
-               return 6;
-
-       return 0;
-}
-
-static struct mlx5_flow_handle *
-mlx5_generate_ttc_rule(struct mlx5_core_dev *dev, struct mlx5_flow_table *ft,
-                      struct mlx5_flow_destination *dest, u16 etype, u8 proto)
-{
-       int match_ipv_outer =
-               MLX5_CAP_FLOWTABLE_NIC_RX(dev,
-                                         ft_field_support.outer_ip_version);
-       MLX5_DECLARE_FLOW_ACT(flow_act);
-       struct mlx5_flow_handle *rule;
-       struct mlx5_flow_spec *spec;
-       int err = 0;
-       u8 ipv;
-
-       spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
-       if (!spec)
-               return ERR_PTR(-ENOMEM);
-
-       if (proto) {
-               spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
-               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_protocol);
-               MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_protocol, proto);
-       }
-
-       ipv = mlx5_etype_to_ipv(etype);
-       if (match_ipv_outer && ipv) {
-               spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
-               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_version);
-               MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_version, ipv);
-       } else if (etype) {
-               spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
-               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ethertype);
-               MLX5_SET(fte_match_param, spec->match_value, outer_headers.ethertype, etype);
-       }
-
-       rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
-       if (IS_ERR(rule)) {
-               err = PTR_ERR(rule);
-               mlx5_core_err(dev, "%s: add rule failed\n", __func__);
-       }
-
-       kvfree(spec);
-       return err ? ERR_PTR(err) : rule;
-}
-
-static int mlx5_generate_ttc_table_rules(struct mlx5_core_dev *dev,
-                                        struct ttc_params *params,
-                                        struct mlx5_ttc_table *ttc)
-{
-       struct mlx5_flow_handle **trules;
-       struct mlx5_ttc_rule *rules;
-       struct mlx5_flow_table *ft;
-       int tt;
-       int err;
-
-       ft = ttc->t;
-       rules = ttc->rules;
-       for (tt = 0; tt < MLX5_NUM_TT; tt++) {
-               struct mlx5_ttc_rule *rule = &rules[tt];
-
-               rule->rule = mlx5_generate_ttc_rule(dev, ft, &params->dests[tt],
-                                                   ttc_rules[tt].etype,
-                                                   ttc_rules[tt].proto);
-               if (IS_ERR(rule->rule)) {
-                       err = PTR_ERR(rule->rule);
-                       rule->rule = NULL;
-                       goto del_rules;
-               }
-               rule->default_dest = params->dests[tt];
-       }
-
-       if (!params->inner_ttc || !mlx5_tunnel_inner_ft_supported(dev))
-               return 0;
-
-       trules    = ttc->tunnel_rules;
-       for (tt = 0; tt < MLX5_NUM_TUNNEL_TT; tt++) {
-               if (!mlx5_tunnel_proto_supported_rx(dev,
-                                                   ttc_tunnel_rules[tt].proto))
-                       continue;
-               trules[tt] = mlx5_generate_ttc_rule(dev, ft,
-                                                   &params->tunnel_dests[tt],
-                                                   ttc_tunnel_rules[tt].etype,
-                                                   ttc_tunnel_rules[tt].proto);
-               if (IS_ERR(trules[tt])) {
-                       err = PTR_ERR(trules[tt]);
-                       trules[tt] = NULL;
-                       goto del_rules;
-               }
-       }
-
-       return 0;
-
-del_rules:
-       mlx5_cleanup_ttc_rules(ttc);
-       return err;
-}
-
-static int mlx5_create_ttc_table_groups(struct mlx5_ttc_table *ttc,
-                                       bool use_ipv)
-{
-       int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
-       int ix = 0;
-       u32 *in;
-       int err;
-       u8 *mc;
-
-       ttc->g = kcalloc(MLX5_TTC_NUM_GROUPS, sizeof(*ttc->g), GFP_KERNEL);
-       if (!ttc->g)
-               return -ENOMEM;
-       in = kvzalloc(inlen, GFP_KERNEL);
-       if (!in) {
-               kfree(ttc->g);
-               ttc->g = NULL;
-               return -ENOMEM;
-       }
-
-       /* L4 Group */
-       mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
-       MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_protocol);
-       if (use_ipv)
-               MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_version);
-       else
-               MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ethertype);
-       MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
-       MLX5_SET_CFG(in, start_flow_index, ix);
-       ix += MLX5_TTC_GROUP1_SIZE;
-       MLX5_SET_CFG(in, end_flow_index, ix - 1);
-       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
-       if (IS_ERR(ttc->g[ttc->num_groups]))
-               goto err;
-       ttc->num_groups++;
-
-       /* L3 Group */
-       MLX5_SET(fte_match_param, mc, outer_headers.ip_protocol, 0);
-       MLX5_SET_CFG(in, start_flow_index, ix);
-       ix += MLX5_TTC_GROUP2_SIZE;
-       MLX5_SET_CFG(in, end_flow_index, ix - 1);
-       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
-       if (IS_ERR(ttc->g[ttc->num_groups]))
-               goto err;
-       ttc->num_groups++;
-
-       /* Any Group */
-       memset(in, 0, inlen);
-       MLX5_SET_CFG(in, start_flow_index, ix);
-       ix += MLX5_TTC_GROUP3_SIZE;
-       MLX5_SET_CFG(in, end_flow_index, ix - 1);
-       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
-       if (IS_ERR(ttc->g[ttc->num_groups]))
-               goto err;
-       ttc->num_groups++;
-
-       kvfree(in);
-       return 0;
-
-err:
-       err = PTR_ERR(ttc->g[ttc->num_groups]);
-       ttc->g[ttc->num_groups] = NULL;
-       kvfree(in);
-
-       return err;
-}
-
-static struct mlx5_flow_handle *
-mlx5_generate_inner_ttc_rule(struct mlx5_core_dev *dev,
-                            struct mlx5_flow_table *ft,
-                            struct mlx5_flow_destination *dest,
-                            u16 etype, u8 proto)
-{
-       MLX5_DECLARE_FLOW_ACT(flow_act);
-       struct mlx5_flow_handle *rule;
-       struct mlx5_flow_spec *spec;
-       int err = 0;
-       u8 ipv;
-
-       spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
-       if (!spec)
-               return ERR_PTR(-ENOMEM);
-
-       ipv = mlx5_etype_to_ipv(etype);
-       if (etype && ipv) {
-               spec->match_criteria_enable = MLX5_MATCH_INNER_HEADERS;
-               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, inner_headers.ip_version);
-               MLX5_SET(fte_match_param, spec->match_value, inner_headers.ip_version, ipv);
-       }
-
-       if (proto) {
-               spec->match_criteria_enable = MLX5_MATCH_INNER_HEADERS;
-               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, inner_headers.ip_protocol);
-               MLX5_SET(fte_match_param, spec->match_value, inner_headers.ip_protocol, proto);
-       }
-
-       rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
-       if (IS_ERR(rule)) {
-               err = PTR_ERR(rule);
-               mlx5_core_err(dev, "%s: add inner TTC rule failed\n", __func__);
-       }
-
-       kvfree(spec);
-       return err ? ERR_PTR(err) : rule;
-}
-
-static int mlx5_generate_inner_ttc_table_rules(struct mlx5_core_dev *dev,
-                                              struct ttc_params *params,
-                                              struct mlx5_ttc_table *ttc)
-{
-       struct mlx5_ttc_rule *rules;
-       struct mlx5_flow_table *ft;
-       int err;
-       int tt;
-
-       ft = ttc->t;
-       rules = ttc->rules;
-
-       for (tt = 0; tt < MLX5_NUM_TT; tt++) {
-               struct mlx5_ttc_rule *rule = &rules[tt];
-
-               rule->rule = mlx5_generate_inner_ttc_rule(dev, ft,
-                                                         &params->dests[tt],
-                                                         ttc_rules[tt].etype,
-                                                         ttc_rules[tt].proto);
-               if (IS_ERR(rule->rule)) {
-                       err = PTR_ERR(rule->rule);
-                       rule->rule = NULL;
-                       goto del_rules;
-               }
-               rule->default_dest = params->dests[tt];
-       }
-
-       return 0;
-
-del_rules:
-
-       mlx5_cleanup_ttc_rules(ttc);
-       return err;
-}
-
-static int mlx5_create_inner_ttc_table_groups(struct mlx5_ttc_table *ttc)
-{
-       int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
-       int ix = 0;
-       u32 *in;
-       int err;
-       u8 *mc;
-
-       ttc->g = kcalloc(MLX5_INNER_TTC_NUM_GROUPS, sizeof(*ttc->g),
-                        GFP_KERNEL);
-       if (!ttc->g)
-               return -ENOMEM;
-       in = kvzalloc(inlen, GFP_KERNEL);
-       if (!in) {
-               kfree(ttc->g);
-               ttc->g = NULL;
-               return -ENOMEM;
-       }
-
-       /* L4 Group */
-       mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
-       MLX5_SET_TO_ONES(fte_match_param, mc, inner_headers.ip_protocol);
-       MLX5_SET_TO_ONES(fte_match_param, mc, inner_headers.ip_version);
-       MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_INNER_HEADERS);
-       MLX5_SET_CFG(in, start_flow_index, ix);
-       ix += MLX5_INNER_TTC_GROUP1_SIZE;
-       MLX5_SET_CFG(in, end_flow_index, ix - 1);
-       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
-       if (IS_ERR(ttc->g[ttc->num_groups]))
-               goto err;
-       ttc->num_groups++;
-
-       /* L3 Group */
-       MLX5_SET(fte_match_param, mc, inner_headers.ip_protocol, 0);
-       MLX5_SET_CFG(in, start_flow_index, ix);
-       ix += MLX5_INNER_TTC_GROUP2_SIZE;
-       MLX5_SET_CFG(in, end_flow_index, ix - 1);
-       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
-       if (IS_ERR(ttc->g[ttc->num_groups]))
-               goto err;
-       ttc->num_groups++;
-
-       /* Any Group */
-       memset(in, 0, inlen);
-       MLX5_SET_CFG(in, start_flow_index, ix);
-       ix += MLX5_INNER_TTC_GROUP3_SIZE;
-       MLX5_SET_CFG(in, end_flow_index, ix - 1);
-       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
-       if (IS_ERR(ttc->g[ttc->num_groups]))
-               goto err;
-       ttc->num_groups++;
-
-       kvfree(in);
-       return 0;
-
-err:
-       err = PTR_ERR(ttc->g[ttc->num_groups]);
-       ttc->g[ttc->num_groups] = NULL;
-       kvfree(in);
-
-       return err;
-}
-
 static void mlx5e_set_inner_ttc_params(struct mlx5e_priv *priv,
                                       struct ttc_params *ttc_params)
 {
@@ -1356,116 +908,6 @@ void mlx5e_set_ttc_params(struct mlx5e_priv *priv,
        }
 }
 
-static int mlx5_create_inner_ttc_table(struct mlx5_core_dev *dev,
-                                      struct ttc_params *params,
-                                      struct mlx5_ttc_table *ttc)
-{
-       int err;
-
-       WARN_ON_ONCE(params->ft_attr.max_fte);
-       params->ft_attr.max_fte = MLX5_INNER_TTC_TABLE_SIZE;
-       ttc->t = mlx5_create_flow_table(params->ns, &params->ft_attr);
-       if (IS_ERR(ttc->t)) {
-               err = PTR_ERR(ttc->t);
-               ttc->t = NULL;
-               return err;
-       }
-
-       err = mlx5_create_inner_ttc_table_groups(ttc);
-       if (err)
-               goto destroy_ttc;
-
-       err = mlx5_generate_inner_ttc_table_rules(dev, params, ttc);
-       if (err)
-               goto destroy_ttc;
-
-       return 0;
-
-destroy_ttc:
-       mlx5_destroy_ttc_table(ttc);
-       return err;
-}
-
-void mlx5_destroy_ttc_table(struct mlx5_ttc_table *ttc)
-{
-       int i;
-
-       mlx5_cleanup_ttc_rules(ttc);
-       for (i = ttc->num_groups - 1; i >= 0; i--) {
-               if (!IS_ERR_OR_NULL(ttc->g[i]))
-                       mlx5_destroy_flow_group(ttc->g[i]);
-               ttc->g[i] = NULL;
-       }
-
-       ttc->num_groups = 0;
-       kfree(ttc->g);
-       mlx5_destroy_flow_table(ttc->t);
-       ttc->t = NULL;
-}
-
-static void mlx5_destroy_inner_ttc_table(struct mlx5_ttc_table *ttc)
-{
-       mlx5_destroy_ttc_table(ttc);
-}
-
-int mlx5_create_ttc_table(struct mlx5_core_dev *dev, struct ttc_params *params,
-                         struct mlx5_ttc_table *ttc)
-{
-       bool match_ipv_outer =
-               MLX5_CAP_FLOWTABLE_NIC_RX(dev,
-                                         ft_field_support.outer_ip_version);
-       int err;
-
-       WARN_ON_ONCE(params->ft_attr.max_fte);
-       params->ft_attr.max_fte = MLX5_TTC_TABLE_SIZE;
-       ttc->t = mlx5_create_flow_table(params->ns, &params->ft_attr);
-       if (IS_ERR(ttc->t)) {
-               err = PTR_ERR(ttc->t);
-               ttc->t = NULL;
-               return err;
-       }
-
-       err = mlx5_create_ttc_table_groups(ttc, match_ipv_outer);
-       if (err)
-               goto destroy_ttc;
-
-       err = mlx5_generate_ttc_table_rules(dev, params, ttc);
-       if (err)
-               goto destroy_ttc;
-
-       return 0;
-destroy_ttc:
-       mlx5_destroy_ttc_table(ttc);
-       return err;
-}
-
-int mlx5_ttc_fwd_dest(struct mlx5_ttc_table *ttc, enum mlx5_traffic_types type,
-                     struct mlx5_flow_destination *new_dest)
-{
-       return mlx5_modify_rule_destination(ttc->rules[type].rule, new_dest,
-                                           NULL);
-}
-
-struct mlx5_flow_destination
-mlx5_ttc_get_default_dest(struct mlx5_ttc_table *ttc,
-                         enum mlx5_traffic_types type)
-{
-       struct mlx5_flow_destination *dest = &ttc->rules[type].default_dest;
-
-       WARN_ONCE(dest->type != MLX5_FLOW_DESTINATION_TYPE_TIR,
-                 "TTC[%d] default dest is not setup yet", type);
-
-       return *dest;
-}
-
-int mlx5_ttc_fwd_default_dest(struct mlx5_ttc_table *ttc,
-                             enum mlx5_traffic_types type)
-{
-       struct mlx5_flow_destination dest = mlx5_ttc_get_default_dest(ttc, type);
-
-       return mlx5_ttc_fwd_dest(ttc, type, &dest);
-}
-
 static void mlx5e_del_l2_flow_rule(struct mlx5e_priv *priv,
                                   struct mlx5e_l2_rule *ai)
 {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
new file mode 100644 (file)
index 0000000..4b54b41
--- /dev/null
@@ -0,0 +1,584 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES.
+
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/mlx5/fs.h>
+#include <linux/mlx5/driver.h>
+#include "mlx5_core.h"
+#include "lib/fs_ttc.h"
+
+#define MLX5_TTC_NUM_GROUPS    3
+#define MLX5_TTC_GROUP1_SIZE   (BIT(3) + MLX5_NUM_TUNNEL_TT)
+#define MLX5_TTC_GROUP2_SIZE    BIT(1)
+#define MLX5_TTC_GROUP3_SIZE    BIT(0)
+#define MLX5_TTC_TABLE_SIZE    (MLX5_TTC_GROUP1_SIZE +\
+                                MLX5_TTC_GROUP2_SIZE +\
+                                MLX5_TTC_GROUP3_SIZE)
+
+#define MLX5_INNER_TTC_NUM_GROUPS      3
+#define MLX5_INNER_TTC_GROUP1_SIZE     BIT(3)
+#define MLX5_INNER_TTC_GROUP2_SIZE     BIT(1)
+#define MLX5_INNER_TTC_GROUP3_SIZE     BIT(0)
+#define MLX5_INNER_TTC_TABLE_SIZE      (MLX5_INNER_TTC_GROUP1_SIZE +\
+                                        MLX5_INNER_TTC_GROUP2_SIZE +\
+                                        MLX5_INNER_TTC_GROUP3_SIZE)
+
+static void mlx5_cleanup_ttc_rules(struct mlx5_ttc_table *ttc)
+{
+       int i;
+
+       for (i = 0; i < MLX5_NUM_TT; i++) {
+               if (!IS_ERR_OR_NULL(ttc->rules[i].rule)) {
+                       mlx5_del_flow_rules(ttc->rules[i].rule);
+                       ttc->rules[i].rule = NULL;
+               }
+       }
+
+       for (i = 0; i < MLX5_NUM_TUNNEL_TT; i++) {
+               if (!IS_ERR_OR_NULL(ttc->tunnel_rules[i])) {
+                       mlx5_del_flow_rules(ttc->tunnel_rules[i]);
+                       ttc->tunnel_rules[i] = NULL;
+               }
+       }
+}
+
+struct mlx5_etype_proto {
+       u16 etype;
+       u8 proto;
+};
+
+static struct mlx5_etype_proto ttc_rules[] = {
+       [MLX5_TT_IPV4_TCP] = {
+               .etype = ETH_P_IP,
+               .proto = IPPROTO_TCP,
+       },
+       [MLX5_TT_IPV6_TCP] = {
+               .etype = ETH_P_IPV6,
+               .proto = IPPROTO_TCP,
+       },
+       [MLX5_TT_IPV4_UDP] = {
+               .etype = ETH_P_IP,
+               .proto = IPPROTO_UDP,
+       },
+       [MLX5_TT_IPV6_UDP] = {
+               .etype = ETH_P_IPV6,
+               .proto = IPPROTO_UDP,
+       },
+       [MLX5_TT_IPV4_IPSEC_AH] = {
+               .etype = ETH_P_IP,
+               .proto = IPPROTO_AH,
+       },
+       [MLX5_TT_IPV6_IPSEC_AH] = {
+               .etype = ETH_P_IPV6,
+               .proto = IPPROTO_AH,
+       },
+       [MLX5_TT_IPV4_IPSEC_ESP] = {
+               .etype = ETH_P_IP,
+               .proto = IPPROTO_ESP,
+       },
+       [MLX5_TT_IPV6_IPSEC_ESP] = {
+               .etype = ETH_P_IPV6,
+               .proto = IPPROTO_ESP,
+       },
+       [MLX5_TT_IPV4] = {
+               .etype = ETH_P_IP,
+               .proto = 0,
+       },
+       [MLX5_TT_IPV6] = {
+               .etype = ETH_P_IPV6,
+               .proto = 0,
+       },
+       [MLX5_TT_ANY] = {
+               .etype = 0,
+               .proto = 0,
+       },
+};
+
+static struct mlx5_etype_proto ttc_tunnel_rules[] = {
+       [MLX5_TT_IPV4_GRE] = {
+               .etype = ETH_P_IP,
+               .proto = IPPROTO_GRE,
+       },
+       [MLX5_TT_IPV6_GRE] = {
+               .etype = ETH_P_IPV6,
+               .proto = IPPROTO_GRE,
+       },
+       [MLX5_TT_IPV4_IPIP] = {
+               .etype = ETH_P_IP,
+               .proto = IPPROTO_IPIP,
+       },
+       [MLX5_TT_IPV6_IPIP] = {
+               .etype = ETH_P_IPV6,
+               .proto = IPPROTO_IPIP,
+       },
+       [MLX5_TT_IPV4_IPV6] = {
+               .etype = ETH_P_IP,
+               .proto = IPPROTO_IPV6,
+       },
+       [MLX5_TT_IPV6_IPV6] = {
+               .etype = ETH_P_IPV6,
+               .proto = IPPROTO_IPV6,
+       },
+
+};
+
+u8 mlx5_get_proto_by_tunnel_type(enum mlx5_tunnel_types tt)
+{
+       return ttc_tunnel_rules[tt].proto;
+}
+
+static bool mlx5_tunnel_proto_supported_rx(struct mlx5_core_dev *mdev,
+                                          u8 proto_type)
+{
+       switch (proto_type) {
+       case IPPROTO_GRE:
+               return MLX5_CAP_ETH(mdev, tunnel_stateless_gre);
+       case IPPROTO_IPIP:
+       case IPPROTO_IPV6:
+               return (MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip) ||
+                       MLX5_CAP_ETH(mdev, tunnel_stateless_ip_over_ip_rx));
+       default:
+               return false;
+       }
+}
+
+static bool mlx5_tunnel_any_rx_proto_supported(struct mlx5_core_dev *mdev)
+{
+       int tt;
+
+       for (tt = 0; tt < MLX5_NUM_TUNNEL_TT; tt++) {
+               if (mlx5_tunnel_proto_supported_rx(mdev,
+                                                  ttc_tunnel_rules[tt].proto))
+                       return true;
+       }
+       return false;
+}
+
+bool mlx5_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
+{
+       return (mlx5_tunnel_any_rx_proto_supported(mdev) &&
+               MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+                                         ft_field_support.inner_ip_version));
+}
+
+static u8 mlx5_etype_to_ipv(u16 ethertype)
+{
+       if (ethertype == ETH_P_IP)
+               return 4;
+
+       if (ethertype == ETH_P_IPV6)
+               return 6;
+
+       return 0;
+}
+
+static struct mlx5_flow_handle *
+mlx5_generate_ttc_rule(struct mlx5_core_dev *dev, struct mlx5_flow_table *ft,
+                      struct mlx5_flow_destination *dest, u16 etype, u8 proto)
+{
+       int match_ipv_outer =
+               MLX5_CAP_FLOWTABLE_NIC_RX(dev,
+                                         ft_field_support.outer_ip_version);
+       MLX5_DECLARE_FLOW_ACT(flow_act);
+       struct mlx5_flow_handle *rule;
+       struct mlx5_flow_spec *spec;
+       int err = 0;
+       u8 ipv;
+
+       spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+       if (!spec)
+               return ERR_PTR(-ENOMEM);
+
+       if (proto) {
+               spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_protocol);
+               MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_protocol, proto);
+       }
+
+       ipv = mlx5_etype_to_ipv(etype);
+       if (match_ipv_outer && ipv) {
+               spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_version);
+               MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_version, ipv);
+       } else if (etype) {
+               spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ethertype);
+               MLX5_SET(fte_match_param, spec->match_value, outer_headers.ethertype, etype);
+       }
+
+       rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
+       if (IS_ERR(rule)) {
+               err = PTR_ERR(rule);
+               mlx5_core_err(dev, "%s: add rule failed\n", __func__);
+       }
+
+       kvfree(spec);
+       return err ? ERR_PTR(err) : rule;
+}
+
+static int mlx5_generate_ttc_table_rules(struct mlx5_core_dev *dev,
+                                        struct ttc_params *params,
+                                        struct mlx5_ttc_table *ttc)
+{
+       struct mlx5_flow_handle **trules;
+       struct mlx5_ttc_rule *rules;
+       struct mlx5_flow_table *ft;
+       int tt;
+       int err;
+
+       ft = ttc->t;
+       rules = ttc->rules;
+       for (tt = 0; tt < MLX5_NUM_TT; tt++) {
+               struct mlx5_ttc_rule *rule = &rules[tt];
+
+               rule->rule = mlx5_generate_ttc_rule(dev, ft, &params->dests[tt],
+                                                   ttc_rules[tt].etype,
+                                                   ttc_rules[tt].proto);
+               if (IS_ERR(rule->rule)) {
+                       err = PTR_ERR(rule->rule);
+                       rule->rule = NULL;
+                       goto del_rules;
+               }
+               rule->default_dest = params->dests[tt];
+       }
+
+       if (!params->inner_ttc || !mlx5_tunnel_inner_ft_supported(dev))
+               return 0;
+
+       trules    = ttc->tunnel_rules;
+       for (tt = 0; tt < MLX5_NUM_TUNNEL_TT; tt++) {
+               if (!mlx5_tunnel_proto_supported_rx(dev,
+                                                   ttc_tunnel_rules[tt].proto))
+                       continue;
+               trules[tt] = mlx5_generate_ttc_rule(dev, ft,
+                                                   &params->tunnel_dests[tt],
+                                                   ttc_tunnel_rules[tt].etype,
+                                                   ttc_tunnel_rules[tt].proto);
+               if (IS_ERR(trules[tt])) {
+                       err = PTR_ERR(trules[tt]);
+                       trules[tt] = NULL;
+                       goto del_rules;
+               }
+       }
+
+       return 0;
+
+del_rules:
+       mlx5_cleanup_ttc_rules(ttc);
+       return err;
+}
+
+static int mlx5_create_ttc_table_groups(struct mlx5_ttc_table *ttc,
+                                       bool use_ipv)
+{
+       int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+       int ix = 0;
+       u32 *in;
+       int err;
+       u8 *mc;
+
+       ttc->g = kcalloc(MLX5_TTC_NUM_GROUPS, sizeof(*ttc->g), GFP_KERNEL);
+       if (!ttc->g)
+               return -ENOMEM;
+       in = kvzalloc(inlen, GFP_KERNEL);
+       if (!in) {
+               kfree(ttc->g);
+               ttc->g = NULL;
+               return -ENOMEM;
+       }
+
+       /* L4 Group */
+       mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
+       MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_protocol);
+       if (use_ipv)
+               MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ip_version);
+       else
+               MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.ethertype);
+       MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
+       MLX5_SET_CFG(in, start_flow_index, ix);
+       ix += MLX5_TTC_GROUP1_SIZE;
+       MLX5_SET_CFG(in, end_flow_index, ix - 1);
+       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
+       if (IS_ERR(ttc->g[ttc->num_groups]))
+               goto err;
+       ttc->num_groups++;
+
+       /* L3 Group */
+       MLX5_SET(fte_match_param, mc, outer_headers.ip_protocol, 0);
+       MLX5_SET_CFG(in, start_flow_index, ix);
+       ix += MLX5_TTC_GROUP2_SIZE;
+       MLX5_SET_CFG(in, end_flow_index, ix - 1);
+       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
+       if (IS_ERR(ttc->g[ttc->num_groups]))
+               goto err;
+       ttc->num_groups++;
+
+       /* Any Group */
+       memset(in, 0, inlen);
+       MLX5_SET_CFG(in, start_flow_index, ix);
+       ix += MLX5_TTC_GROUP3_SIZE;
+       MLX5_SET_CFG(in, end_flow_index, ix - 1);
+       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
+       if (IS_ERR(ttc->g[ttc->num_groups]))
+               goto err;
+       ttc->num_groups++;
+
+       kvfree(in);
+       return 0;
+
+err:
+       err = PTR_ERR(ttc->g[ttc->num_groups]);
+       ttc->g[ttc->num_groups] = NULL;
+       kvfree(in);
+
+       return err;
+}
+
+static struct mlx5_flow_handle *
+mlx5_generate_inner_ttc_rule(struct mlx5_core_dev *dev,
+                            struct mlx5_flow_table *ft,
+                            struct mlx5_flow_destination *dest,
+                            u16 etype, u8 proto)
+{
+       MLX5_DECLARE_FLOW_ACT(flow_act);
+       struct mlx5_flow_handle *rule;
+       struct mlx5_flow_spec *spec;
+       int err = 0;
+       u8 ipv;
+
+       spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+       if (!spec)
+               return ERR_PTR(-ENOMEM);
+
+       ipv = mlx5_etype_to_ipv(etype);
+       if (etype && ipv) {
+               spec->match_criteria_enable = MLX5_MATCH_INNER_HEADERS;
+               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, inner_headers.ip_version);
+               MLX5_SET(fte_match_param, spec->match_value, inner_headers.ip_version, ipv);
+       }
+
+       if (proto) {
+               spec->match_criteria_enable = MLX5_MATCH_INNER_HEADERS;
+               MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, inner_headers.ip_protocol);
+               MLX5_SET(fte_match_param, spec->match_value, inner_headers.ip_protocol, proto);
+       }
+
+       rule = mlx5_add_flow_rules(ft, spec, &flow_act, dest, 1);
+       if (IS_ERR(rule)) {
+               err = PTR_ERR(rule);
+               mlx5_core_err(dev, "%s: add inner TTC rule failed\n", __func__);
+       }
+
+       kvfree(spec);
+       return err ? ERR_PTR(err) : rule;
+}
+
+static int mlx5_generate_inner_ttc_table_rules(struct mlx5_core_dev *dev,
+                                              struct ttc_params *params,
+                                              struct mlx5_ttc_table *ttc)
+{
+       struct mlx5_ttc_rule *rules;
+       struct mlx5_flow_table *ft;
+       int err;
+       int tt;
+
+       ft = ttc->t;
+       rules = ttc->rules;
+
+       for (tt = 0; tt < MLX5_NUM_TT; tt++) {
+               struct mlx5_ttc_rule *rule = &rules[tt];
+
+               rule->rule = mlx5_generate_inner_ttc_rule(dev, ft,
+                                                         &params->dests[tt],
+                                                         ttc_rules[tt].etype,
+                                                         ttc_rules[tt].proto);
+               if (IS_ERR(rule->rule)) {
+                       err = PTR_ERR(rule->rule);
+                       rule->rule = NULL;
+                       goto del_rules;
+               }
+               rule->default_dest = params->dests[tt];
+       }
+
+       return 0;
+
+del_rules:
+
+       mlx5_cleanup_ttc_rules(ttc);
+       return err;
+}
+
+static int mlx5_create_inner_ttc_table_groups(struct mlx5_ttc_table *ttc)
+{
+       int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+       int ix = 0;
+       u32 *in;
+       int err;
+       u8 *mc;
+
+       ttc->g = kcalloc(MLX5_INNER_TTC_NUM_GROUPS, sizeof(*ttc->g),
+                        GFP_KERNEL);
+       if (!ttc->g)
+               return -ENOMEM;
+       in = kvzalloc(inlen, GFP_KERNEL);
+       if (!in) {
+               kfree(ttc->g);
+               ttc->g = NULL;
+               return -ENOMEM;
+       }
+
+       /* L4 Group */
+       mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
+       MLX5_SET_TO_ONES(fte_match_param, mc, inner_headers.ip_protocol);
+       MLX5_SET_TO_ONES(fte_match_param, mc, inner_headers.ip_version);
+       MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_INNER_HEADERS);
+       MLX5_SET_CFG(in, start_flow_index, ix);
+       ix += MLX5_INNER_TTC_GROUP1_SIZE;
+       MLX5_SET_CFG(in, end_flow_index, ix - 1);
+       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
+       if (IS_ERR(ttc->g[ttc->num_groups]))
+               goto err;
+       ttc->num_groups++;
+
+       /* L3 Group */
+       MLX5_SET(fte_match_param, mc, inner_headers.ip_protocol, 0);
+       MLX5_SET_CFG(in, start_flow_index, ix);
+       ix += MLX5_INNER_TTC_GROUP2_SIZE;
+       MLX5_SET_CFG(in, end_flow_index, ix - 1);
+       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
+       if (IS_ERR(ttc->g[ttc->num_groups]))
+               goto err;
+       ttc->num_groups++;
+
+       /* Any Group */
+       memset(in, 0, inlen);
+       MLX5_SET_CFG(in, start_flow_index, ix);
+       ix += MLX5_INNER_TTC_GROUP3_SIZE;
+       MLX5_SET_CFG(in, end_flow_index, ix - 1);
+       ttc->g[ttc->num_groups] = mlx5_create_flow_group(ttc->t, in);
+       if (IS_ERR(ttc->g[ttc->num_groups]))
+               goto err;
+       ttc->num_groups++;
+
+       kvfree(in);
+       return 0;
+
+err:
+       err = PTR_ERR(ttc->g[ttc->num_groups]);
+       ttc->g[ttc->num_groups] = NULL;
+       kvfree(in);
+
+       return err;
+}
+
+int mlx5_create_inner_ttc_table(struct mlx5_core_dev *dev,
+                               struct ttc_params *params,
+                               struct mlx5_ttc_table *ttc)
+{
+       int err;
+
+       WARN_ON_ONCE(params->ft_attr.max_fte);
+       params->ft_attr.max_fte = MLX5_INNER_TTC_TABLE_SIZE;
+       ttc->t = mlx5_create_flow_table(params->ns, &params->ft_attr);
+       if (IS_ERR(ttc->t)) {
+               err = PTR_ERR(ttc->t);
+               ttc->t = NULL;
+               return err;
+       }
+
+       err = mlx5_create_inner_ttc_table_groups(ttc);
+       if (err)
+               goto destroy_ft;
+
+       err = mlx5_generate_inner_ttc_table_rules(dev, params, ttc);
+       if (err)
+               goto destroy_ft;
+
+       return 0;
+
+destroy_ft:
+       mlx5_destroy_ttc_table(ttc);
+       return err;
+}
+
+void mlx5_destroy_ttc_table(struct mlx5_ttc_table *ttc)
+{
+       int i;
+
+       mlx5_cleanup_ttc_rules(ttc);
+       for (i = ttc->num_groups - 1; i >= 0; i--) {
+               if (!IS_ERR_OR_NULL(ttc->g[i]))
+                       mlx5_destroy_flow_group(ttc->g[i]);
+               ttc->g[i] = NULL;
+       }
+
+       ttc->num_groups = 0;
+       kfree(ttc->g);
+       mlx5_destroy_flow_table(ttc->t);
+       ttc->t = NULL;
+}
+
+void mlx5_destroy_inner_ttc_table(struct mlx5_ttc_table *ttc)
+{
+       mlx5_destroy_ttc_table(ttc);
+}
+
+int mlx5_create_ttc_table(struct mlx5_core_dev *dev, struct ttc_params *params,
+                         struct mlx5_ttc_table *ttc)
+{
+       bool match_ipv_outer =
+               MLX5_CAP_FLOWTABLE_NIC_RX(dev,
+                                         ft_field_support.outer_ip_version);
+       int err;
+
+       WARN_ON_ONCE(params->ft_attr.max_fte);
+       params->ft_attr.max_fte = MLX5_TTC_TABLE_SIZE;
+       ttc->t = mlx5_create_flow_table(params->ns, &params->ft_attr);
+       if (IS_ERR(ttc->t)) {
+               err = PTR_ERR(ttc->t);
+               ttc->t = NULL;
+               return err;
+       }
+
+       err = mlx5_create_ttc_table_groups(ttc, match_ipv_outer);
+       if (err)
+               goto destroy_ft;
+
+       err = mlx5_generate_ttc_table_rules(dev, params, ttc);
+       if (err)
+               goto destroy_ft;
+
+       return 0;
+destroy_ft:
+       mlx5_destroy_ttc_table(ttc);
+       return err;
+}
+
+int mlx5_ttc_fwd_dest(struct mlx5_ttc_table *ttc, enum mlx5_traffic_types type,
+                     struct mlx5_flow_destination *new_dest)
+{
+       return mlx5_modify_rule_destination(ttc->rules[type].rule, new_dest,
+                                           NULL);
+}
+
+struct mlx5_flow_destination
+mlx5_ttc_get_default_dest(struct mlx5_ttc_table *ttc,
+                         enum mlx5_traffic_types type)
+{
+       struct mlx5_flow_destination *dest = &ttc->rules[type].default_dest;
+
+       WARN_ONCE(dest->type != MLX5_FLOW_DESTINATION_TYPE_TIR,
+                 "TTC[%d] default dest is not setup yet", type);
+
+       return *dest;
+}
+
+int mlx5_ttc_fwd_default_dest(struct mlx5_ttc_table *ttc,
+                             enum mlx5_traffic_types type)
+{
+       struct mlx5_flow_destination dest = mlx5_ttc_get_default_dest(ttc, type);
+
+       return mlx5_ttc_fwd_dest(ttc, type, &dest);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.h
new file mode 100644 (file)
index 0000000..1010e00
--- /dev/null
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2020 Mellanox Technologies. */
+
+#ifndef __ML5_FS_TTC_H__
+#define __ML5_FS_TTC_H__
+
+#include <linux/mlx5/fs.h>
+
+enum mlx5_traffic_types {
+       MLX5_TT_IPV4_TCP,
+       MLX5_TT_IPV6_TCP,
+       MLX5_TT_IPV4_UDP,
+       MLX5_TT_IPV6_UDP,
+       MLX5_TT_IPV4_IPSEC_AH,
+       MLX5_TT_IPV6_IPSEC_AH,
+       MLX5_TT_IPV4_IPSEC_ESP,
+       MLX5_TT_IPV6_IPSEC_ESP,
+       MLX5_TT_IPV4,
+       MLX5_TT_IPV6,
+       MLX5_TT_ANY,
+       MLX5_NUM_TT,
+       MLX5_NUM_INDIR_TIRS = MLX5_TT_ANY,
+};
+
+enum mlx5_tunnel_types {
+       MLX5_TT_IPV4_GRE,
+       MLX5_TT_IPV6_GRE,
+       MLX5_TT_IPV4_IPIP,
+       MLX5_TT_IPV6_IPIP,
+       MLX5_TT_IPV4_IPV6,
+       MLX5_TT_IPV6_IPV6,
+       MLX5_NUM_TUNNEL_TT,
+};
+
+struct mlx5_ttc_rule {
+       struct mlx5_flow_handle *rule;
+       struct mlx5_flow_destination default_dest;
+};
+
+/* L3/L4 traffic type classifier */
+struct mlx5_ttc_table {
+       int num_groups;
+       struct mlx5_flow_table *t;
+       struct mlx5_flow_group **g;
+       struct mlx5_ttc_rule rules[MLX5_NUM_TT];
+       struct mlx5_flow_handle *tunnel_rules[MLX5_NUM_TUNNEL_TT];
+};
+
+struct ttc_params {
+       struct mlx5_flow_namespace *ns;
+       struct mlx5_flow_table_attr ft_attr;
+       struct mlx5_flow_destination dests[MLX5_NUM_TT];
+       bool   inner_ttc;
+       struct mlx5_flow_destination tunnel_dests[MLX5_NUM_TUNNEL_TT];
+};
+
+int mlx5_create_ttc_table(struct mlx5_core_dev *dev, struct ttc_params *params,
+                         struct mlx5_ttc_table *ttc);
+void mlx5_destroy_ttc_table(struct mlx5_ttc_table *ttc);
+
+int mlx5_create_inner_ttc_table(struct mlx5_core_dev *dev,
+                               struct ttc_params *params,
+                               struct mlx5_ttc_table *ttc);
+void mlx5_destroy_inner_ttc_table(struct mlx5_ttc_table *ttc);
+
+int mlx5_ttc_fwd_dest(struct mlx5_ttc_table *ttc, enum mlx5_traffic_types type,
+                     struct mlx5_flow_destination *new_dest);
+struct mlx5_flow_destination
+mlx5_ttc_get_default_dest(struct mlx5_ttc_table *ttc,
+                         enum mlx5_traffic_types type);
+int mlx5_ttc_fwd_default_dest(struct mlx5_ttc_table *ttc,
+                             enum mlx5_traffic_types type);
+
+bool mlx5_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev);
+u8 mlx5_get_proto_by_tunnel_type(enum mlx5_tunnel_types tt);
+
+#endif /* __MLX5_FS_TTC_H__ */
index 77746f7..0106c67 100644 (file)
@@ -38,6 +38,8 @@
 
 #define MLX5_FS_DEFAULT_FLOW_TAG 0x0
 
+#define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
+
 enum {
        MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO  = 1 << 16,
        MLX5_FLOW_CONTEXT_ACTION_ENCRYPT        = 1 << 17,