diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/reg.h | 89 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c | 60 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | 52 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/trap.h | 5 |
7 files changed, 217 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index fd59280cf979..0b80e75e87c3 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -5513,6 +5513,7 @@ enum mlxsw_reg_htgt_discard_trap_group { MLXSW_REG_HTGT_DISCARD_TRAP_GROUP_BASE = MLXSW_REG_HTGT_TRAP_GROUP_MAX, MLXSW_REG_HTGT_TRAP_GROUP_SP_L2_DISCARDS, MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS, + MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS, }; /* reg_htgt_trap_group @@ -10140,6 +10141,92 @@ static inline void mlxsw_reg_tigcr_pack(char *payload, bool ttlc, u8 ttl_uc) mlxsw_reg_tigcr_ttl_uc_set(payload, ttl_uc); } +/* TIEEM - Tunneling IPinIP Encapsulation ECN Mapping Register + * ----------------------------------------------------------- + * The TIEEM register maps ECN of the IP header at the ingress to the + * encapsulation to the ECN of the underlay network. + */ +#define MLXSW_REG_TIEEM_ID 0xA812 +#define MLXSW_REG_TIEEM_LEN 0x0C + +MLXSW_REG_DEFINE(tieem, MLXSW_REG_TIEEM_ID, MLXSW_REG_TIEEM_LEN); + +/* reg_tieem_overlay_ecn + * ECN of the IP header in the overlay network. + * Access: Index + */ +MLXSW_ITEM32(reg, tieem, overlay_ecn, 0x04, 24, 2); + +/* reg_tineem_underlay_ecn + * ECN of the IP header in the underlay network. + * Access: RW + */ +MLXSW_ITEM32(reg, tieem, underlay_ecn, 0x04, 16, 2); + +static inline void mlxsw_reg_tieem_pack(char *payload, u8 overlay_ecn, + u8 underlay_ecn) +{ + MLXSW_REG_ZERO(tieem, payload); + mlxsw_reg_tieem_overlay_ecn_set(payload, overlay_ecn); + mlxsw_reg_tieem_underlay_ecn_set(payload, underlay_ecn); +} + +/* TIDEM - Tunneling IPinIP Decapsulation ECN Mapping Register + * ----------------------------------------------------------- + * The TIDEM register configures the actions that are done in the + * decapsulation. + */ +#define MLXSW_REG_TIDEM_ID 0xA813 +#define MLXSW_REG_TIDEM_LEN 0x0C + +MLXSW_REG_DEFINE(tidem, MLXSW_REG_TIDEM_ID, MLXSW_REG_TIDEM_LEN); + +/* reg_tidem_underlay_ecn + * ECN field of the IP header in the underlay network. + * Access: Index + */ +MLXSW_ITEM32(reg, tidem, underlay_ecn, 0x04, 24, 2); + +/* reg_tidem_overlay_ecn + * ECN field of the IP header in the overlay network. + * Access: Index + */ +MLXSW_ITEM32(reg, tidem, overlay_ecn, 0x04, 16, 2); + +/* reg_tidem_eip_ecn + * Egress IP ECN. ECN field of the IP header of the packet which goes out + * from the decapsulation. + * Access: RW + */ +MLXSW_ITEM32(reg, tidem, eip_ecn, 0x04, 8, 2); + +/* reg_tidem_trap_en + * Trap enable: + * 0 - No trap due to decap ECN + * 1 - Trap enable with trap_id + * Access: RW + */ +MLXSW_ITEM32(reg, tidem, trap_en, 0x08, 28, 4); + +/* reg_tidem_trap_id + * Trap ID. Either DECAP_ECN0 or DECAP_ECN1. + * Reserved when trap_en is '0'. + * Access: RW + */ +MLXSW_ITEM32(reg, tidem, trap_id, 0x08, 0, 9); + +static inline void mlxsw_reg_tidem_pack(char *payload, u8 underlay_ecn, + u8 overlay_ecn, u8 eip_ecn, + bool trap_en, u16 trap_id) +{ + MLXSW_REG_ZERO(tidem, payload); + mlxsw_reg_tidem_underlay_ecn_set(payload, underlay_ecn); + mlxsw_reg_tidem_overlay_ecn_set(payload, overlay_ecn); + mlxsw_reg_tidem_eip_ecn_set(payload, eip_ecn); + mlxsw_reg_tidem_trap_en_set(payload, trap_en); + mlxsw_reg_tidem_trap_id_set(payload, trap_id); +} + /* SBPR - Shared Buffer Pools Register * ----------------------------------- * The SBPR configures and retrieves the shared buffer pools and configuration. @@ -10684,6 +10771,8 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { MLXSW_REG(tndem), MLXSW_REG(tnpc), MLXSW_REG(tigcr), + MLXSW_REG(tieem), + MLXSW_REG(tidem), MLXSW_REG(sbpr), MLXSW_REG(sbcm), MLXSW_REG(sbpm), diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 2f0b516ee03f..cc30a69a6df0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -4538,8 +4538,6 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = { false), MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false), - MLXSW_SP_RXL_MARK(IPIP_DECAP_ERROR, TRAP_TO_CPU, ROUTER_EXP, false), - MLXSW_SP_RXL_MARK(DECAP_ECN0, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, VRRP, false), MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, VRRP, false), MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c index 6400cd644b7a..a8525992528f 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c @@ -3,8 +3,10 @@ #include <net/ip_tunnels.h> #include <net/ip6_tunnel.h> +#include <net/inet_ecn.h> #include "spectrum_ipip.h" +#include "reg.h" struct ip_tunnel_parm mlxsw_sp_ipip_netdev_parms4(const struct net_device *ol_dev) @@ -338,3 +340,61 @@ static const struct mlxsw_sp_ipip_ops mlxsw_sp_ipip_gre4_ops = { const struct mlxsw_sp_ipip_ops *mlxsw_sp_ipip_ops_arr[] = { [MLXSW_SP_IPIP_TYPE_GRE4] = &mlxsw_sp_ipip_gre4_ops, }; + +static int mlxsw_sp_ipip_ecn_encap_init_one(struct mlxsw_sp *mlxsw_sp, + u8 inner_ecn, u8 outer_ecn) +{ + char tieem_pl[MLXSW_REG_TIEEM_LEN]; + + mlxsw_reg_tieem_pack(tieem_pl, inner_ecn, outer_ecn); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(tieem), tieem_pl); +} + +int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp) +{ + int i; + + /* Iterate over inner ECN values */ + for (i = INET_ECN_NOT_ECT; i <= INET_ECN_CE; i++) { + u8 outer_ecn = INET_ECN_encapsulate(0, i); + int err; + + err = mlxsw_sp_ipip_ecn_encap_init_one(mlxsw_sp, i, outer_ecn); + if (err) + return err; + } + + return 0; +} + +static int mlxsw_sp_ipip_ecn_decap_init_one(struct mlxsw_sp *mlxsw_sp, + u8 inner_ecn, u8 outer_ecn) +{ + char tidem_pl[MLXSW_REG_TIDEM_LEN]; + bool trap_en, set_ce = false; + u8 new_inner_ecn; + + trap_en = __INET_ECN_decapsulate(outer_ecn, inner_ecn, &set_ce); + new_inner_ecn = set_ce ? INET_ECN_CE : inner_ecn; + + mlxsw_reg_tidem_pack(tidem_pl, outer_ecn, inner_ecn, new_inner_ecn, + trap_en, trap_en ? MLXSW_TRAP_ID_DECAP_ECN0 : 0); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(tidem), tidem_pl); +} + +int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp) +{ + int i, j, err; + + /* Iterate over inner ECN values */ + for (i = INET_ECN_NOT_ECT; i <= INET_ECN_CE; i++) { + /* Iterate over outer ECN values */ + for (j = INET_ECN_NOT_ECT; j <= INET_ECN_CE; j++) { + err = mlxsw_sp_ipip_ecn_decap_init_one(mlxsw_sp, i, j); + if (err) + return err; + } + } + + return 0; +} diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index a014bd8d504d..ce707723f8cf 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -7791,8 +7791,18 @@ mlxsw_sp_ipip_config_tigcr(struct mlxsw_sp *mlxsw_sp) static int mlxsw_sp_ipips_init(struct mlxsw_sp *mlxsw_sp) { + int err; + mlxsw_sp->router->ipip_ops_arr = mlxsw_sp_ipip_ops_arr; INIT_LIST_HEAD(&mlxsw_sp->router->ipip_list); + + err = mlxsw_sp_ipip_ecn_encap_init(mlxsw_sp); + if (err) + return err; + err = mlxsw_sp_ipip_ecn_decap_init(mlxsw_sp); + if (err) + return err; + return mlxsw_sp_ipip_config_tigcr(mlxsw_sp); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h index cc1de91e8217..c9b94f435cdd 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h @@ -104,4 +104,7 @@ static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1, return !memcmp(addr1, addr2, sizeof(*addr1)); } +int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp); +int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp); + #endif /* _MLXSW_ROUTER_H_*/ diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index e0d7c49ffae0..60205aa3f6a5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -9,6 +9,20 @@ #include "reg.h" #include "spectrum.h" +/* All driver-specific traps must be documented in + * Documentation/networking/devlink/mlxsw.rst + */ +enum { + DEVLINK_MLXSW_TRAP_ID_BASE = DEVLINK_TRAP_GENERIC_ID_MAX, + DEVLINK_MLXSW_TRAP_ID_IRIF_DISABLED, + DEVLINK_MLXSW_TRAP_ID_ERIF_DISABLED, +}; + +#define DEVLINK_MLXSW_TRAP_NAME_IRIF_DISABLED \ + "irif_disabled" +#define DEVLINK_MLXSW_TRAP_NAME_ERIF_DISABLED \ + "erif_disabled" + #define MLXSW_SP_TRAP_METADATA DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u8 local_port, @@ -21,6 +35,12 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port, DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ MLXSW_SP_TRAP_METADATA) +#define MLXSW_SP_TRAP_DRIVER_DROP(_id, _group_id) \ + DEVLINK_TRAP_DRIVER(DROP, DROP, DEVLINK_MLXSW_TRAP_ID_##_id, \ + DEVLINK_MLXSW_TRAP_NAME_##_id, \ + DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + MLXSW_SP_TRAP_METADATA) + #define MLXSW_SP_TRAP_EXCEPTION(_id, _group_id) \ DEVLINK_TRAP_GENERIC(EXCEPTION, TRAP, _id, \ DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ @@ -58,6 +78,11 @@ static struct devlink_trap mlxsw_sp_traps_arr[] = { MLXSW_SP_TRAP_EXCEPTION(UNRESOLVED_NEIGH, L3_DROPS), MLXSW_SP_TRAP_EXCEPTION(IPV4_LPM_UNICAST_MISS, L3_DROPS), MLXSW_SP_TRAP_EXCEPTION(IPV6_LPM_UNICAST_MISS, L3_DROPS), + MLXSW_SP_TRAP_DRIVER_DROP(IRIF_DISABLED, L3_DROPS), + MLXSW_SP_TRAP_DRIVER_DROP(ERIF_DISABLED, L3_DROPS), + MLXSW_SP_TRAP_DROP(NON_ROUTABLE, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(DECAP_ERROR, TUNNEL_DROPS), + MLXSW_SP_TRAP_DROP(OVERLAY_SMAC_MC, TUNNEL_DROPS), }; static struct mlxsw_listener mlxsw_sp_listeners_arr[] = { @@ -90,6 +115,15 @@ static struct mlxsw_listener mlxsw_sp_listeners_arr[] = { TRAP_EXCEPTION_TO_CPU), MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6, ROUTER_EXP, TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_DISCARD(ROUTER_IRIF_EN, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ROUTER_ERIF_EN, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(NON_ROUTABLE, L3_DISCARDS), + MLXSW_SP_RXL_EXCEPTION(DECAP_ECN0, ROUTER_EXP, TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(IPIP_DECAP_ERROR, ROUTER_EXP, + TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(DISCARD_DEC_PKT, TUNNEL_DISCARDS, + TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_DISCARD(OVERLAY_SMAC_MC, TUNNEL_DISCARDS), }; /* Mapping between hardware trap and devlink trap. Multiple hardware traps can @@ -123,6 +157,13 @@ static u16 mlxsw_sp_listener_devlink_map[] = { DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, + DEVLINK_MLXSW_TRAP_ID_IRIF_DISABLED, + DEVLINK_MLXSW_TRAP_ID_ERIF_DISABLED, + DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, + DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, + DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, + DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, + DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, }; static int mlxsw_sp_rx_listener(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, @@ -304,8 +345,9 @@ mlxsw_sp_trap_group_policer_init(struct mlxsw_sp *mlxsw_sp, u32 rate; switch (group->id) { - case DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS:/* fall through */ - case DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS: + case DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS: /* fall through */ + case DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS: /* fall through */ + case DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS: policer_id = MLXSW_SP_DISCARD_POLICER_ID; ir_units = MLXSW_REG_QPCR_IR_UNITS_M; is_bytes = false; @@ -342,6 +384,12 @@ __mlxsw_sp_trap_group_init(struct mlxsw_sp *mlxsw_sp, priority = 0; tc = 1; break; + case DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS: + group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS; + policer_id = MLXSW_SP_DISCARD_POLICER_ID; + priority = 0; + tc = 1; + break; default: return -EINVAL; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h index 3d2331be05d8..12e1fa998d42 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/trap.h +++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h @@ -67,6 +67,7 @@ enum { MLXSW_TRAP_ID_NVE_ENCAP_ARP = 0xBD, MLXSW_TRAP_ID_ROUTER_ALERT_IPV4 = 0xD6, MLXSW_TRAP_ID_ROUTER_ALERT_IPV6 = 0xD7, + MLXSW_TRAP_ID_DISCARD_NON_ROUTABLE = 0x11A, MLXSW_TRAP_ID_DISCARD_ROUTER2 = 0x130, MLXSW_TRAP_ID_DISCARD_ROUTER3 = 0x131, MLXSW_TRAP_ID_DISCARD_ING_PACKET_SMAC_MC = 0x140, @@ -88,8 +89,12 @@ enum { MLXSW_TRAP_ID_DISCARD_ING_ROUTER_IPV4_SIP_BC = 0x16A, MLXSW_TRAP_ID_DISCARD_ING_ROUTER_IPV4_DIP_LOCAL_NET = 0x16B, MLXSW_TRAP_ID_DISCARD_ING_ROUTER_DIP_LINK_LOCAL = 0x16C, + MLXSW_TRAP_ID_DISCARD_ROUTER_IRIF_EN = 0x178, + MLXSW_TRAP_ID_DISCARD_ROUTER_ERIF_EN = 0x179, MLXSW_TRAP_ID_DISCARD_ROUTER_LPM4 = 0x17B, MLXSW_TRAP_ID_DISCARD_ROUTER_LPM6 = 0x17C, + MLXSW_TRAP_ID_DISCARD_DEC_PKT = 0x188, + MLXSW_TRAP_ID_DISCARD_OVERLAY_SMAC_MC = 0x190, MLXSW_TRAP_ID_DISCARD_IPV6_MC_DIP_RESERVED_SCOPE = 0x1B0, MLXSW_TRAP_ID_DISCARD_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE = 0x1B1, MLXSW_TRAP_ID_ACL0 = 0x1C0, |