diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 127 |
1 files changed, 107 insertions, 20 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index c5fd69a6bedd..65c1724c63b0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -1290,38 +1290,52 @@ static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) MLXSW_REG_SFD_OP_WRITE_REMOVE; } -static int mlxsw_sp_port_fdb_tunnel_uc_op(struct mlxsw_sp *mlxsw_sp, - const char *mac, u16 fid, - enum mlxsw_sp_l3proto proto, - const union mlxsw_sp_l3addr *addr, - bool adding, bool dynamic) +static int +mlxsw_sp_port_fdb_tun_uc_op4(struct mlxsw_sp *mlxsw_sp, bool dynamic, + const char *mac, u16 fid, __be32 addr, bool adding) { - enum mlxsw_reg_sfd_uc_tunnel_protocol sfd_proto; char *sfd_pl; u8 num_rec; u32 uip; int err; - switch (proto) { - case MLXSW_SP_L3_PROTO_IPV4: - uip = be32_to_cpu(addr->addr4); - sfd_proto = MLXSW_REG_SFD_UC_TUNNEL_PROTOCOL_IPV4; - break; - case MLXSW_SP_L3_PROTO_IPV6: - default: - WARN_ON(1); - return -EOPNOTSUPP; - } + sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); + if (!sfd_pl) + return -ENOMEM; + + uip = be32_to_cpu(addr); + mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); + mlxsw_reg_sfd_uc_tunnel_pack4(sfd_pl, 0, + mlxsw_sp_sfd_rec_policy(dynamic), mac, + fid, MLXSW_REG_SFD_REC_ACTION_NOP, uip); + num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); + if (err) + goto out; + + if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl)) + err = -EBUSY; + +out: + kfree(sfd_pl); + return err; +} + +static int mlxsw_sp_port_fdb_tun_uc_op6_sfd_write(struct mlxsw_sp *mlxsw_sp, + const char *mac, u16 fid, + u32 kvdl_index, bool adding) +{ + char *sfd_pl; + u8 num_rec; + int err; sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); if (!sfd_pl) return -ENOMEM; mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); - mlxsw_reg_sfd_uc_tunnel_pack(sfd_pl, 0, - mlxsw_sp_sfd_rec_policy(dynamic), mac, fid, - MLXSW_REG_SFD_REC_ACTION_NOP, uip, - sfd_proto); + mlxsw_reg_sfd_uc_tunnel_pack6(sfd_pl, 0, mac, fid, + MLXSW_REG_SFD_REC_ACTION_NOP, kvdl_index); num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); if (err) @@ -1335,6 +1349,79 @@ out: return err; } +static int mlxsw_sp_port_fdb_tun_uc_op6_add(struct mlxsw_sp *mlxsw_sp, + const char *mac, u16 fid, + const struct in6_addr *addr) +{ + u32 kvdl_index; + int err; + + err = mlxsw_sp_nve_ipv6_addr_kvdl_set(mlxsw_sp, addr, &kvdl_index); + if (err) + return err; + + err = mlxsw_sp_port_fdb_tun_uc_op6_sfd_write(mlxsw_sp, mac, fid, + kvdl_index, true); + if (err) + goto err_sfd_write; + + err = mlxsw_sp_nve_ipv6_addr_map_replace(mlxsw_sp, mac, fid, addr); + if (err) + /* Replace can fail only for creating new mapping, so removing + * the FDB entry in the error path is OK. + */ + goto err_addr_replace; + + return 0; + +err_addr_replace: + mlxsw_sp_port_fdb_tun_uc_op6_sfd_write(mlxsw_sp, mac, fid, kvdl_index, + false); +err_sfd_write: + mlxsw_sp_nve_ipv6_addr_kvdl_unset(mlxsw_sp, addr); + return err; +} + +static void mlxsw_sp_port_fdb_tun_uc_op6_del(struct mlxsw_sp *mlxsw_sp, + const char *mac, u16 fid, + const struct in6_addr *addr) +{ + mlxsw_sp_nve_ipv6_addr_map_del(mlxsw_sp, mac, fid); + mlxsw_sp_port_fdb_tun_uc_op6_sfd_write(mlxsw_sp, mac, fid, 0, false); + mlxsw_sp_nve_ipv6_addr_kvdl_unset(mlxsw_sp, addr); +} + +static int +mlxsw_sp_port_fdb_tun_uc_op6(struct mlxsw_sp *mlxsw_sp, const char *mac, + u16 fid, const struct in6_addr *addr, bool adding) +{ + if (adding) + return mlxsw_sp_port_fdb_tun_uc_op6_add(mlxsw_sp, mac, fid, + addr); + + mlxsw_sp_port_fdb_tun_uc_op6_del(mlxsw_sp, mac, fid, addr); + return 0; +} + +static int mlxsw_sp_port_fdb_tunnel_uc_op(struct mlxsw_sp *mlxsw_sp, + const char *mac, u16 fid, + enum mlxsw_sp_l3proto proto, + const union mlxsw_sp_l3addr *addr, + bool adding, bool dynamic) +{ + switch (proto) { + case MLXSW_SP_L3_PROTO_IPV4: + return mlxsw_sp_port_fdb_tun_uc_op4(mlxsw_sp, dynamic, mac, fid, + addr->addr4, adding); + case MLXSW_SP_L3_PROTO_IPV6: + return mlxsw_sp_port_fdb_tun_uc_op6(mlxsw_sp, mac, fid, + &addr->addr6, adding); + default: + WARN_ON(1); + return -EOPNOTSUPP; + } +} + static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u16 local_port, const char *mac, u16 fid, bool adding, enum mlxsw_reg_sfd_rec_action action, |