From: Leon Romanovsky Date: Tue, 24 Jan 2023 11:55:00 +0000 (+0200) Subject: net/mlx5e: Fill IPsec state validation failure reason X-Git-Tag: v6.3-rc1~162^2~201^2~6 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=902812b81604dd6969a5457dd2eb0dd58f9d0436;p=tomoyo%2Ftomoyo-test1.git net/mlx5e: Fill IPsec state validation failure reason Rely on extack to return failure reason. Signed-off-by: Leon Romanovsky Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c index a889df77dd2d..e84c3400ba1d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -162,91 +162,87 @@ void mlx5e_ipsec_build_accel_xfrm_attrs(struct mlx5e_ipsec_sa_entry *sa_entry, mlx5e_ipsec_init_limits(sa_entry, attrs); } -static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x) +static int mlx5e_xfrm_validate_state(struct mlx5_core_dev *mdev, + struct xfrm_state *x, + struct netlink_ext_ack *extack) { - struct net_device *netdev = x->xso.real_dev; - struct mlx5e_priv *priv; - - priv = netdev_priv(netdev); - if (x->props.aalgo != SADB_AALG_NONE) { - netdev_info(netdev, "Cannot offload authenticated xfrm states\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload authenticated xfrm states"); return -EINVAL; } if (x->props.ealgo != SADB_X_EALG_AES_GCM_ICV16) { - netdev_info(netdev, "Only AES-GCM-ICV16 xfrm state may be offloaded\n"); + NL_SET_ERR_MSG_MOD(extack, "Only AES-GCM-ICV16 xfrm state may be offloaded"); return -EINVAL; } if (x->props.calgo != SADB_X_CALG_NONE) { - netdev_info(netdev, "Cannot offload compressed xfrm states\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload compressed xfrm states"); return -EINVAL; } if (x->props.flags & XFRM_STATE_ESN && - !(mlx5_ipsec_device_caps(priv->mdev) & MLX5_IPSEC_CAP_ESN)) { - netdev_info(netdev, "Cannot offload ESN xfrm states\n"); + !(mlx5_ipsec_device_caps(mdev) & MLX5_IPSEC_CAP_ESN)) { + NL_SET_ERR_MSG_MOD(extack, "Cannot offload ESN xfrm states"); return -EINVAL; } if (x->props.family != AF_INET && x->props.family != AF_INET6) { - netdev_info(netdev, "Only IPv4/6 xfrm states may be offloaded\n"); + NL_SET_ERR_MSG_MOD(extack, "Only IPv4/6 xfrm states may be offloaded"); return -EINVAL; } if (x->id.proto != IPPROTO_ESP) { - netdev_info(netdev, "Only ESP xfrm state may be offloaded\n"); + NL_SET_ERR_MSG_MOD(extack, "Only ESP xfrm state may be offloaded"); return -EINVAL; } if (x->encap) { - netdev_info(netdev, "Encapsulated xfrm state may not be offloaded\n"); + NL_SET_ERR_MSG_MOD(extack, "Encapsulated xfrm state may not be offloaded"); return -EINVAL; } if (!x->aead) { - netdev_info(netdev, "Cannot offload xfrm states without aead\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states without aead"); return -EINVAL; } if (x->aead->alg_icv_len != 128) { - netdev_info(netdev, "Cannot offload xfrm states with AEAD ICV length other than 128bit\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states with AEAD ICV length other than 128bit"); return -EINVAL; } if ((x->aead->alg_key_len != 128 + 32) && (x->aead->alg_key_len != 256 + 32)) { - netdev_info(netdev, "Cannot offload xfrm states with AEAD key length other than 128/256 bit\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states with AEAD key length other than 128/256 bit"); return -EINVAL; } if (x->tfcpad) { - netdev_info(netdev, "Cannot offload xfrm states with tfc padding\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states with tfc padding"); return -EINVAL; } if (!x->geniv) { - netdev_info(netdev, "Cannot offload xfrm states without geniv\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states without geniv"); return -EINVAL; } if (strcmp(x->geniv, "seqiv")) { - netdev_info(netdev, "Cannot offload xfrm states with geniv other than seqiv\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states with geniv other than seqiv"); return -EINVAL; } switch (x->xso.type) { case XFRM_DEV_OFFLOAD_CRYPTO: - if (!(mlx5_ipsec_device_caps(priv->mdev) & - MLX5_IPSEC_CAP_CRYPTO)) { - netdev_info(netdev, "Crypto offload is not supported\n"); + if (!(mlx5_ipsec_device_caps(mdev) & MLX5_IPSEC_CAP_CRYPTO)) { + NL_SET_ERR_MSG_MOD(extack, "Crypto offload is not supported"); return -EINVAL; } if (x->props.mode != XFRM_MODE_TRANSPORT && x->props.mode != XFRM_MODE_TUNNEL) { - netdev_info(netdev, "Only transport and tunnel xfrm states may be offloaded\n"); + NL_SET_ERR_MSG_MOD(extack, "Only transport and tunnel xfrm states may be offloaded"); return -EINVAL; } break; case XFRM_DEV_OFFLOAD_PACKET: - if (!(mlx5_ipsec_device_caps(priv->mdev) & + if (!(mlx5_ipsec_device_caps(mdev) & MLX5_IPSEC_CAP_PACKET_OFFLOAD)) { - netdev_info(netdev, "Packet offload is not supported\n"); + NL_SET_ERR_MSG_MOD(extack, "Packet offload is not supported"); return -EINVAL; } if (x->props.mode != XFRM_MODE_TRANSPORT) { - netdev_info(netdev, "Only transport xfrm states may be offloaded in packet mode\n"); + NL_SET_ERR_MSG_MOD(extack, "Only transport xfrm states may be offloaded in packet mode"); return -EINVAL; } @@ -254,35 +250,30 @@ static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x) x->replay_esn->replay_window != 64 && x->replay_esn->replay_window != 128 && x->replay_esn->replay_window != 256) { - netdev_info(netdev, - "Unsupported replay window size %u\n", - x->replay_esn->replay_window); + NL_SET_ERR_MSG_MOD(extack, "Unsupported replay window size"); return -EINVAL; } if (!x->props.reqid) { - netdev_info(netdev, "Cannot offload without reqid\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload without reqid"); return -EINVAL; } if (x->lft.hard_byte_limit != XFRM_INF || x->lft.soft_byte_limit != XFRM_INF) { - netdev_info(netdev, - "Device doesn't support limits in bytes\n"); + NL_SET_ERR_MSG_MOD(extack, "Device doesn't support limits in bytes"); return -EINVAL; } if (x->lft.soft_packet_limit >= x->lft.hard_packet_limit && x->lft.hard_packet_limit != XFRM_INF) { /* XFRM stack doesn't prevent such configuration :(. */ - netdev_info(netdev, - "Hard packet limit must be greater than soft one\n"); + NL_SET_ERR_MSG_MOD(extack, "Hard packet limit must be greater than soft one"); return -EINVAL; } break; default: - netdev_info(netdev, "Unsupported xfrm offload type %d\n", - x->xso.type); + NL_SET_ERR_MSG_MOD(extack, "Unsupported xfrm offload type"); return -EINVAL; } return 0; @@ -312,15 +303,13 @@ static int mlx5e_xfrm_add_state(struct xfrm_state *x, return -EOPNOTSUPP; ipsec = priv->ipsec; - err = mlx5e_xfrm_validate_state(x); + err = mlx5e_xfrm_validate_state(priv->mdev, x, extack); if (err) return err; sa_entry = kzalloc(sizeof(*sa_entry), GFP_KERNEL); - if (!sa_entry) { - err = -ENOMEM; - goto out; - } + if (!sa_entry) + return -ENOMEM; sa_entry->x = x; sa_entry->ipsec = ipsec; @@ -361,7 +350,7 @@ err_hw_ctx: mlx5_ipsec_free_sa_ctx(sa_entry); err_xfrm: kfree(sa_entry); -out: + NL_SET_ERR_MSG_MOD(extack, "Device failed to offload this policy"); return err; }