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mlxsw: spectrum_router: Make abort mechanism VR-aware
When the abort mechanism is invoked it binds the first virtual router (VR) to an LPM tree and inserts a default route to direct packets to the CPU. With VRFs, we can have router interfaces (RIFs) bound to multiple VRs, so we need to make sure packets are trapped from all VRs and not just the first one. Upon abort invocation, bind all active VRs to the same LPM tree and insert a default route in each. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2392,9 +2392,7 @@ static int mlxsw_sp_router_set_abort_trap(struct mlxsw_sp *mlxsw_sp)
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{
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char ralta_pl[MLXSW_REG_RALTA_LEN];
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char ralst_pl[MLXSW_REG_RALST_LEN];
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char raltb_pl[MLXSW_REG_RALTB_LEN];
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char ralue_pl[MLXSW_REG_RALUE_LEN];
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int err;
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int i, err;
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mlxsw_reg_ralta_pack(ralta_pl, true, MLXSW_REG_RALXX_PROTOCOL_IPV4,
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MLXSW_SP_LPM_TREE_MIN);
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@ -2407,16 +2405,33 @@ static int mlxsw_sp_router_set_abort_trap(struct mlxsw_sp *mlxsw_sp)
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if (err)
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return err;
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mlxsw_reg_raltb_pack(raltb_pl, 0, MLXSW_REG_RALXX_PROTOCOL_IPV4,
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for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_VRS); i++) {
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struct mlxsw_sp_vr *vr = &mlxsw_sp->router.vrs[i];
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char raltb_pl[MLXSW_REG_RALTB_LEN];
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char ralue_pl[MLXSW_REG_RALUE_LEN];
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if (!mlxsw_sp_vr_is_used(vr))
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continue;
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mlxsw_reg_raltb_pack(raltb_pl, vr->id,
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MLXSW_REG_RALXX_PROTOCOL_IPV4,
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MLXSW_SP_LPM_TREE_MIN);
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err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(raltb), raltb_pl);
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err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(raltb),
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raltb_pl);
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if (err)
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return err;
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mlxsw_reg_ralue_pack4(ralue_pl, MLXSW_SP_L3_PROTO_IPV4,
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MLXSW_REG_RALUE_OP_WRITE_WRITE, 0, 0, 0);
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MLXSW_REG_RALUE_OP_WRITE_WRITE, vr->id, 0,
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0);
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mlxsw_reg_ralue_act_ip2me_pack(ralue_pl);
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return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ralue), ralue_pl);
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err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ralue),
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ralue_pl);
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if (err)
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return err;
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}
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return 0;
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}
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static void mlxsw_sp_fib4_node_flush(struct mlxsw_sp *mlxsw_sp,
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