diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index ca74c517f626..b3567a596fc1 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -81,6 +81,9 @@ static bool nfp_fl_netdev_is_tunnel_type(struct net_device *out_dev, if (!strcmp(out_dev->rtnl_link_ops->kind, "vxlan")) return tun_type == NFP_FL_TUNNEL_VXLAN; + if (!strcmp(out_dev->rtnl_link_ops->kind, "geneve")) + return tun_type == NFP_FL_TUNNEL_GENEVE; + return false; } @@ -136,11 +139,23 @@ nfp_fl_output(struct nfp_fl_output *output, const struct tc_action *action, return 0; } -static bool nfp_fl_supported_tun_port(const struct tc_action *action) +static enum nfp_flower_tun_type +nfp_fl_get_tun_from_act_l4_port(struct nfp_app *app, + const struct tc_action *action) { struct ip_tunnel_info *tun = tcf_tunnel_info(action); + struct nfp_flower_priv *priv = app->priv; - return tun->key.tp_dst == htons(NFP_FL_VXLAN_PORT); + switch (tun->key.tp_dst) { + case htons(NFP_FL_VXLAN_PORT): + return NFP_FL_TUNNEL_VXLAN; + case htons(NFP_FL_GENEVE_PORT): + if (priv->flower_ext_feats & NFP_FL_FEATS_GENEVE) + return NFP_FL_TUNNEL_GENEVE; + /* FALLTHROUGH */ + default: + return NFP_FL_TUNNEL_NONE; + } } static struct nfp_fl_pre_tunnel *nfp_fl_pre_tunnel(char *act_data, int act_len) @@ -165,38 +180,33 @@ static struct nfp_fl_pre_tunnel *nfp_fl_pre_tunnel(char *act_data, int act_len) } static int -nfp_fl_set_vxlan(struct nfp_fl_set_vxlan *set_vxlan, - const struct tc_action *action, - struct nfp_fl_pre_tunnel *pre_tun) +nfp_fl_set_ipv4_udp_tun(struct nfp_fl_set_ipv4_udp_tun *set_tun, + const struct tc_action *action, + struct nfp_fl_pre_tunnel *pre_tun, + enum nfp_flower_tun_type tun_type) { - struct ip_tunnel_info *vxlan = tcf_tunnel_info(action); - size_t act_size = sizeof(struct nfp_fl_set_vxlan); - u32 tmp_set_vxlan_type_index = 0; + size_t act_size = sizeof(struct nfp_fl_set_ipv4_udp_tun); + struct ip_tunnel_info *ip_tun = tcf_tunnel_info(action); + u32 tmp_set_ip_tun_type_index = 0; /* Currently support one pre-tunnel so index is always 0. */ int pretun_idx = 0; - if (vxlan->options_len) { - /* Do not support options e.g. vxlan gpe. */ + if (ip_tun->options_len) return -EOPNOTSUPP; - } - set_vxlan->head.jump_id = NFP_FL_ACTION_OPCODE_SET_IPV4_TUNNEL; - set_vxlan->head.len_lw = act_size >> NFP_FL_LW_SIZ; + set_tun->head.jump_id = NFP_FL_ACTION_OPCODE_SET_IPV4_TUNNEL; + set_tun->head.len_lw = act_size >> NFP_FL_LW_SIZ; /* Set tunnel type and pre-tunnel index. */ - tmp_set_vxlan_type_index |= - FIELD_PREP(NFP_FL_IPV4_TUNNEL_TYPE, NFP_FL_TUNNEL_VXLAN) | + tmp_set_ip_tun_type_index |= + FIELD_PREP(NFP_FL_IPV4_TUNNEL_TYPE, tun_type) | FIELD_PREP(NFP_FL_IPV4_PRE_TUN_INDEX, pretun_idx); - set_vxlan->tun_type_index = cpu_to_be32(tmp_set_vxlan_type_index); - - set_vxlan->tun_id = vxlan->key.tun_id; - set_vxlan->tun_flags = vxlan->key.tun_flags; - set_vxlan->ipv4_ttl = vxlan->key.ttl; - set_vxlan->ipv4_tos = vxlan->key.tos; + set_tun->tun_type_index = cpu_to_be32(tmp_set_ip_tun_type_index); + set_tun->tun_id = ip_tun->key.tun_id; /* Complete pre_tunnel action. */ - pre_tun->ipv4_dst = vxlan->key.u.ipv4.dst; + pre_tun->ipv4_dst = ip_tun->key.u.ipv4.dst; return 0; } @@ -433,8 +443,8 @@ nfp_flower_loop_action(const struct tc_action *a, struct net_device *netdev, enum nfp_flower_tun_type *tun_type, int *tun_out_cnt) { + struct nfp_fl_set_ipv4_udp_tun *set_tun; struct nfp_fl_pre_tunnel *pre_tun; - struct nfp_fl_set_vxlan *s_vxl; struct nfp_fl_push_vlan *psh_v; struct nfp_fl_pop_vlan *pop_v; struct nfp_fl_output *output; @@ -482,26 +492,29 @@ nfp_flower_loop_action(const struct tc_action *a, nfp_fl_push_vlan(psh_v, a); *a_len += sizeof(struct nfp_fl_push_vlan); - } else if (is_tcf_tunnel_set(a) && nfp_fl_supported_tun_port(a)) { + } else if (is_tcf_tunnel_set(a)) { + struct nfp_repr *repr = netdev_priv(netdev); + *tun_type = nfp_fl_get_tun_from_act_l4_port(repr->app, a); + if (*tun_type == NFP_FL_TUNNEL_NONE) + return -EOPNOTSUPP; + /* Pre-tunnel action is required for tunnel encap. * This checks for next hop entries on NFP. * If none, the packet falls back before applying other actions. */ if (*a_len + sizeof(struct nfp_fl_pre_tunnel) + - sizeof(struct nfp_fl_set_vxlan) > NFP_FL_MAX_A_SIZ) + sizeof(struct nfp_fl_set_ipv4_udp_tun) > NFP_FL_MAX_A_SIZ) return -EOPNOTSUPP; - *tun_type = NFP_FL_TUNNEL_VXLAN; pre_tun = nfp_fl_pre_tunnel(nfp_fl->action_data, *a_len); nfp_fl->meta.shortcut = cpu_to_be32(NFP_FL_SC_ACT_NULL); *a_len += sizeof(struct nfp_fl_pre_tunnel); - s_vxl = (struct nfp_fl_set_vxlan *)&nfp_fl->action_data[*a_len]; - err = nfp_fl_set_vxlan(s_vxl, a, pre_tun); + set_tun = (void *)&nfp_fl->action_data[*a_len]; + err = nfp_fl_set_ipv4_udp_tun(set_tun, a, pre_tun, *tun_type); if (err) return err; - - *a_len += sizeof(struct nfp_fl_set_vxlan); + *a_len += sizeof(struct nfp_fl_set_ipv4_udp_tun); } else if (is_tcf_tunnel_release(a)) { /* Tunnel decap is handled by default so accept action. */ return 0; diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h index d6b63c8f14da..992d2eec1019 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h @@ -41,7 +41,7 @@ #include "../nfp_app.h" #include "../nfpcore/nfp_cpp.h" -#define NFP_FLOWER_LAYER_META BIT(0) +#define NFP_FLOWER_LAYER_EXT_META BIT(0) #define NFP_FLOWER_LAYER_PORT BIT(1) #define NFP_FLOWER_LAYER_MAC BIT(2) #define NFP_FLOWER_LAYER_TP BIT(3) @@ -50,6 +50,8 @@ #define NFP_FLOWER_LAYER_CT BIT(6) #define NFP_FLOWER_LAYER_VXLAN BIT(7) +#define NFP_FLOWER_LAYER2_GENEVE BIT(5) + #define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13) #define NFP_FLOWER_MASK_VLAN_CFI BIT(12) #define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0) @@ -105,6 +107,7 @@ enum nfp_flower_tun_type { NFP_FL_TUNNEL_NONE = 0, NFP_FL_TUNNEL_VXLAN = 2, + NFP_FL_TUNNEL_GENEVE = 4, }; struct nfp_fl_act_head { @@ -170,16 +173,13 @@ struct nfp_fl_pre_tunnel { __be32 extra[3]; }; -struct nfp_fl_set_vxlan { +struct nfp_fl_set_ipv4_udp_tun { struct nfp_fl_act_head head; __be16 reserved; - __be64 tun_id; + __be64 tun_id __packed; __be32 tun_type_index; - __be16 tun_flags; - u8 ipv4_ttl; - u8 ipv4_tos; - __be32 extra[2]; -} __packed; + __be32 extra[3]; +}; /* Metadata with L2 (1W/4B) * ---------------------------------------------------------------- @@ -198,6 +198,18 @@ struct nfp_flower_meta_tci { __be16 tci; }; +/* Extended metadata for additional key_layers (1W/4B) + * ---------------------------------------------------------------- + * 3 2 1 + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | nfp_flow_key_layer2 | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ +struct nfp_flower_ext_meta { + __be32 nfp_flow_key_layer2; +}; + /* Port details (1W/4B) * ---------------------------------------------------------------- * 3 2 1 @@ -296,7 +308,7 @@ struct nfp_flower_ipv6 { struct in6_addr ipv6_dst; }; -/* Flow Frame VXLAN --> Tunnel details (4W/16B) +/* Flow Frame IPv4 UDP TUNNEL --> Tunnel details (4W/16B) * ----------------------------------------------------------------- * 3 2 1 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 @@ -305,22 +317,17 @@ struct nfp_flower_ipv6 { * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | ipv4_addr_dst | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | tun_flags | tos | ttl | + * | Reserved | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | gpe_flags | Reserved | Next Protocol | + * | Reserved | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | VNI | Reserved | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ -struct nfp_flower_vxlan { +struct nfp_flower_ipv4_udp_tun { __be32 ip_src; __be32 ip_dst; - __be16 tun_flags; - u8 tos; - u8 ttl; - u8 gpe_flags; - u8 reserved[2]; - u8 nxt_proto; + __be32 reserved[2]; __be32 tun_id; }; diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c index 8fcc90c0d2d3..63160e9754d4 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.c +++ b/drivers/net/ethernet/netronome/nfp/flower/main.c @@ -381,7 +381,7 @@ static int nfp_flower_init(struct nfp_app *app) { const struct nfp_pf *pf = app->pf; struct nfp_flower_priv *app_priv; - u64 version; + u64 version, features; int err; if (!pf->eth_tbl) { @@ -424,6 +424,14 @@ static int nfp_flower_init(struct nfp_app *app) if (err) goto err_free_app_priv; + /* Extract the extra features supported by the firmware. */ + features = nfp_rtsym_read_le(app->pf->rtbl, + "_abi_flower_extra_features", &err); + if (err) + app_priv->flower_ext_feats = 0; + else + app_priv->flower_ext_feats = features; + return 0; err_free_app_priv: diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h index e6b26c5ae6e0..6e3937a0b708 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.h +++ b/drivers/net/ethernet/netronome/nfp/flower/main.h @@ -34,6 +34,8 @@ #ifndef __NFP_FLOWER_H__ #define __NFP_FLOWER_H__ 1 +#include "cmsg.h" + #include #include #include @@ -58,6 +60,10 @@ struct nfp_app; #define NFP_FL_MASK_ID_LOCATION 1 #define NFP_FL_VXLAN_PORT 4789 +#define NFP_FL_GENEVE_PORT 6081 + +/* Extra features bitmap. */ +#define NFP_FL_FEATS_GENEVE BIT(0) struct nfp_fl_mask_id { struct circ_buf mask_id_free_list; @@ -77,6 +83,7 @@ struct nfp_fl_stats_id { * @nn: Pointer to vNIC * @mask_id_seed: Seed used for mask hash table * @flower_version: HW version of flower + * @flower_ext_feats: Bitmap of extra features the HW supports * @stats_ids: List of free stats ids * @mask_ids: List of free mask ids * @mask_table: Hash table used to store masks @@ -101,6 +108,7 @@ struct nfp_flower_priv { struct nfp_net *nn; u32 mask_id_seed; u64 flower_version; + u64 flower_ext_feats; struct nfp_fl_stats_id stats_ids; struct nfp_fl_mask_id mask_ids; DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS); @@ -172,7 +180,8 @@ int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev, int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, struct nfp_fl_key_ls *key_ls, struct net_device *netdev, - struct nfp_fl_payload *nfp_flow); + struct nfp_fl_payload *nfp_flow, + enum nfp_flower_tun_type tun_type); int nfp_flower_compile_action(struct tc_cls_flower_offload *flow, struct net_device *netdev, struct nfp_fl_payload *nfp_flow); diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c index 1f2b879e12d4..37c2ecae2a7a 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/match.c +++ b/drivers/net/ethernet/netronome/nfp/flower/match.c @@ -67,6 +67,12 @@ nfp_flower_compile_meta_tci(struct nfp_flower_meta_tci *frame, } } +static void +nfp_flower_compile_ext_meta(struct nfp_flower_ext_meta *frame, u32 key_ext) +{ + frame->nfp_flow_key_layer2 = cpu_to_be32(key_ext); +} + static int nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port, bool mask_version, enum nfp_flower_tun_type tun_type) @@ -216,16 +222,15 @@ nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *frame, } static void -nfp_flower_compile_vxlan(struct nfp_flower_vxlan *frame, - struct tc_cls_flower_offload *flow, - bool mask_version, __be32 *tun_dst) +nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *frame, + struct tc_cls_flower_offload *flow, + bool mask_version) { struct fl_flow_key *target = mask_version ? flow->mask : flow->key; - struct flow_dissector_key_ipv4_addrs *vxlan_ips; + struct flow_dissector_key_ipv4_addrs *tun_ips; struct flow_dissector_key_keyid *vni; - /* Wildcard TOS/TTL/GPE_FLAGS/NXT_PROTO for now. */ - memset(frame, 0, sizeof(struct nfp_flower_vxlan)); + memset(frame, 0, sizeof(struct nfp_flower_ipv4_udp_tun)); if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) { @@ -240,31 +245,26 @@ nfp_flower_compile_vxlan(struct nfp_flower_vxlan *frame, if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { - vxlan_ips = + tun_ips = skb_flow_dissector_target(flow->dissector, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, target); - frame->ip_src = vxlan_ips->src; - frame->ip_dst = vxlan_ips->dst; - *tun_dst = vxlan_ips->dst; + frame->ip_src = tun_ips->src; + frame->ip_dst = tun_ips->dst; } } int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, struct nfp_fl_key_ls *key_ls, struct net_device *netdev, - struct nfp_fl_payload *nfp_flow) + struct nfp_fl_payload *nfp_flow, + enum nfp_flower_tun_type tun_type) { - enum nfp_flower_tun_type tun_type = NFP_FL_TUNNEL_NONE; - __be32 tun_dst, tun_dst_mask = 0; struct nfp_repr *netdev_repr; int err; u8 *ext; u8 *msk; - if (key_ls->key_layer & NFP_FLOWER_LAYER_VXLAN) - tun_type = NFP_FL_TUNNEL_VXLAN; - memset(nfp_flow->unmasked_data, 0, key_ls->key_size); memset(nfp_flow->mask_data, 0, key_ls->key_size); @@ -280,6 +280,16 @@ int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, ext += sizeof(struct nfp_flower_meta_tci); msk += sizeof(struct nfp_flower_meta_tci); + /* Populate Extended Metadata if Required. */ + if (NFP_FLOWER_LAYER_EXT_META & key_ls->key_layer) { + nfp_flower_compile_ext_meta((struct nfp_flower_ext_meta *)ext, + key_ls->key_layer_two); + nfp_flower_compile_ext_meta((struct nfp_flower_ext_meta *)msk, + key_ls->key_layer_two); + ext += sizeof(struct nfp_flower_ext_meta); + msk += sizeof(struct nfp_flower_ext_meta); + } + /* Populate Exact Port data. */ err = nfp_flower_compile_port((struct nfp_flower_in_port *)ext, nfp_repr_get_port_id(netdev), @@ -341,15 +351,17 @@ int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, msk += sizeof(struct nfp_flower_ipv6); } - if (key_ls->key_layer & NFP_FLOWER_LAYER_VXLAN) { + if (key_ls->key_layer & NFP_FLOWER_LAYER_VXLAN || + key_ls->key_layer_two & NFP_FLOWER_LAYER2_GENEVE) { + __be32 tun_dst; + /* Populate Exact VXLAN Data. */ - nfp_flower_compile_vxlan((struct nfp_flower_vxlan *)ext, - flow, false, &tun_dst); + nfp_flower_compile_ipv4_udp_tun((void *)ext, flow, false); /* Populate Mask VXLAN Data. */ - nfp_flower_compile_vxlan((struct nfp_flower_vxlan *)msk, - flow, true, &tun_dst_mask); - ext += sizeof(struct nfp_flower_vxlan); - msk += sizeof(struct nfp_flower_vxlan); + nfp_flower_compile_ipv4_udp_tun((void *)msk, flow, true); + tun_dst = ((struct nfp_flower_ipv4_udp_tun *)ext)->ip_dst; + ext += sizeof(struct nfp_flower_ipv4_udp_tun); + msk += sizeof(struct nfp_flower_ipv4_udp_tun); /* Configure tunnel end point MAC. */ if (nfp_netdev_is_nfp_repr(netdev)) { diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index 98fb1cba3ed9..837134a9137c 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -130,12 +130,15 @@ static bool nfp_flower_check_higher_than_mac(struct tc_cls_flower_offload *f) } static int -nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls, +nfp_flower_calculate_key_layers(struct nfp_app *app, + struct nfp_fl_key_ls *ret_key_ls, struct tc_cls_flower_offload *flow, - bool egress) + bool egress, + enum nfp_flower_tun_type *tun_type) { struct flow_dissector_key_basic *mask_basic = NULL; struct flow_dissector_key_basic *key_basic = NULL; + struct nfp_flower_priv *priv = app->priv; u32 key_layer_two; u8 key_layer; int key_size; @@ -197,12 +200,27 @@ nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls, FLOW_DISSECTOR_KEY_ENC_PORTS, flow->key); - if (mask_enc_ports->dst != cpu_to_be16(~0) || - enc_ports->dst != htons(NFP_FL_VXLAN_PORT)) + if (mask_enc_ports->dst != cpu_to_be16(~0)) return -EOPNOTSUPP; - key_layer |= NFP_FLOWER_LAYER_VXLAN; - key_size += sizeof(struct nfp_flower_vxlan); + switch (enc_ports->dst) { + case htons(NFP_FL_VXLAN_PORT): + *tun_type = NFP_FL_TUNNEL_VXLAN; + key_layer |= NFP_FLOWER_LAYER_VXLAN; + key_size += sizeof(struct nfp_flower_ipv4_udp_tun); + break; + case htons(NFP_FL_GENEVE_PORT): + if (!(priv->flower_ext_feats & NFP_FL_FEATS_GENEVE)) + return -EOPNOTSUPP; + *tun_type = NFP_FL_TUNNEL_GENEVE; + key_layer |= NFP_FLOWER_LAYER_EXT_META; + key_size += sizeof(struct nfp_flower_ext_meta); + key_layer_two |= NFP_FLOWER_LAYER2_GENEVE; + key_size += sizeof(struct nfp_flower_ipv4_udp_tun); + break; + default: + return -EOPNOTSUPP; + } } else if (egress) { /* Reject non tunnel matches offloaded to egress repr. */ return -EOPNOTSUPP; @@ -330,6 +348,7 @@ static int nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev, struct tc_cls_flower_offload *flow, bool egress) { + enum nfp_flower_tun_type tun_type = NFP_FL_TUNNEL_NONE; struct nfp_flower_priv *priv = app->priv; struct nfp_fl_payload *flow_pay; struct nfp_fl_key_ls *key_layer; @@ -339,7 +358,8 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev, if (!key_layer) return -ENOMEM; - err = nfp_flower_calculate_key_layers(key_layer, flow, egress); + err = nfp_flower_calculate_key_layers(app, key_layer, flow, egress, + &tun_type); if (err) goto err_free_key_ls; @@ -349,7 +369,8 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev, goto err_free_key_ls; } - err = nfp_flower_compile_flow_match(flow, key_layer, netdev, flow_pay); + err = nfp_flower_compile_flow_match(flow, key_layer, netdev, flow_pay, + tun_type); if (err) goto err_destroy_flow;