diff --git a/Documentation/networking/xfrm_device.rst b/Documentation/networking/xfrm_device.rst index c43ace79e320..83abdfef4ec3 100644 --- a/Documentation/networking/xfrm_device.rst +++ b/Documentation/networking/xfrm_device.rst @@ -64,7 +64,7 @@ Callbacks to implement /* from include/linux/netdevice.h */ struct xfrmdev_ops { /* Crypto and Packet offload callbacks */ - int (*xdo_dev_state_add) (struct xfrm_state *x); + int (*xdo_dev_state_add) (struct xfrm_state *x, struct netlink_ext_ack *extack); void (*xdo_dev_state_delete) (struct xfrm_state *x); void (*xdo_dev_state_free) (struct xfrm_state *x); bool (*xdo_dev_offload_ok) (struct sk_buff *skb, @@ -73,7 +73,7 @@ Callbacks to implement /* Solely packet offload callbacks */ void (*xdo_dev_state_update_curlft) (struct xfrm_state *x); - int (*xdo_dev_policy_add) (struct xfrm_policy *x); + int (*xdo_dev_policy_add) (struct xfrm_policy *x, struct netlink_ext_ack *extack); void (*xdo_dev_policy_delete) (struct xfrm_policy *x); void (*xdo_dev_policy_free) (struct xfrm_policy *x); }; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 0363ce597661..00646aa315c3 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -419,8 +419,10 @@ static int bond_vlan_rx_kill_vid(struct net_device *bond_dev, /** * bond_ipsec_add_sa - program device with a security association * @xs: pointer to transformer state struct + * @extack: extack point to fill failure reason **/ -static int bond_ipsec_add_sa(struct xfrm_state *xs) +static int bond_ipsec_add_sa(struct xfrm_state *xs, + struct netlink_ext_ack *extack) { struct net_device *bond_dev = xs->xso.dev; struct bond_ipsec *ipsec; @@ -442,7 +444,7 @@ static int bond_ipsec_add_sa(struct xfrm_state *xs) if (!slave->dev->xfrmdev_ops || !slave->dev->xfrmdev_ops->xdo_dev_state_add || netif_is_bond_master(slave->dev)) { - slave_warn(bond_dev, slave->dev, "Slave does not support ipsec offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Slave does not support ipsec offload"); rcu_read_unlock(); return -EINVAL; } @@ -454,7 +456,7 @@ static int bond_ipsec_add_sa(struct xfrm_state *xs) } xs->xso.real_dev = slave->dev; - err = slave->dev->xfrmdev_ops->xdo_dev_state_add(xs); + err = slave->dev->xfrmdev_ops->xdo_dev_state_add(xs, extack); if (!err) { ipsec->xs = xs; INIT_LIST_HEAD(&ipsec->list); @@ -494,7 +496,7 @@ static void bond_ipsec_add_sa_all(struct bonding *bond) spin_lock_bh(&bond->ipsec_lock); list_for_each_entry(ipsec, &bond->ipsec_list, list) { ipsec->xs->xso.real_dev = slave->dev; - if (slave->dev->xfrmdev_ops->xdo_dev_state_add(ipsec->xs)) { + if (slave->dev->xfrmdev_ops->xdo_dev_state_add(ipsec->xs, NULL)) { slave_warn(bond_dev, slave->dev, "%s: failed to add SA\n", __func__); ipsec->xs->xso.real_dev = NULL; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 9cbce1faab26..7db2403c4c9c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -6490,21 +6490,21 @@ static const struct tlsdev_ops cxgb4_ktls_ops = { #if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE) -static int cxgb4_xfrm_add_state(struct xfrm_state *x) +static int cxgb4_xfrm_add_state(struct xfrm_state *x, + struct netlink_ext_ack *extack) { struct adapter *adap = netdev2adap(x->xso.dev); int ret; if (!mutex_trylock(&uld_mutex)) { - dev_dbg(adap->pdev_dev, - "crypto uld critical resource is under use\n"); + NL_SET_ERR_MSG_MOD(extack, "crypto uld critical resource is under use"); return -EBUSY; } ret = chcr_offload_state(adap, CXGB4_XFRMDEV_OPS); if (ret) goto out_unlock; - ret = adap->uld[CXGB4_ULD_IPSEC].xfrmdev_ops->xdo_dev_state_add(x); + ret = adap->uld[CXGB4_ULD_IPSEC].xfrmdev_ops->xdo_dev_state_add(x, extack); out_unlock: mutex_unlock(&uld_mutex); diff --git a/drivers/net/ethernet/chelsio/inline_crypto/ch_ipsec/chcr_ipsec.c b/drivers/net/ethernet/chelsio/inline_crypto/ch_ipsec/chcr_ipsec.c index ca21794281d6..3731c93f8f95 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/ch_ipsec/chcr_ipsec.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/ch_ipsec/chcr_ipsec.c @@ -80,7 +80,8 @@ static void *ch_ipsec_uld_add(const struct cxgb4_lld_info *infop); static void ch_ipsec_advance_esn_state(struct xfrm_state *x); static void ch_ipsec_xfrm_free_state(struct xfrm_state *x); static void ch_ipsec_xfrm_del_state(struct xfrm_state *x); -static int ch_ipsec_xfrm_add_state(struct xfrm_state *x); +static int ch_ipsec_xfrm_add_state(struct xfrm_state *x, + struct netlink_ext_ack *extack); static const struct xfrmdev_ops ch_ipsec_xfrmdev_ops = { .xdo_dev_state_add = ch_ipsec_xfrm_add_state, @@ -226,65 +227,66 @@ out: * returns 0 on success, negative error if failed to send message to FPGA * positive error if FPGA returned a bad response */ -static int ch_ipsec_xfrm_add_state(struct xfrm_state *x) +static int ch_ipsec_xfrm_add_state(struct xfrm_state *x, + struct netlink_ext_ack *extack) { struct ipsec_sa_entry *sa_entry; int res = 0; if (x->props.aalgo != SADB_AALG_NONE) { - pr_debug("Cannot offload authenticated xfrm states\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload authenticated xfrm states"); return -EINVAL; } if (x->props.calgo != SADB_X_CALG_NONE) { - pr_debug("Cannot offload compressed xfrm states\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload compressed xfrm states"); return -EINVAL; } if (x->props.family != AF_INET && x->props.family != AF_INET6) { - pr_debug("Only IPv4/6 xfrm state offloaded\n"); + NL_SET_ERR_MSG_MOD(extack, "Only IPv4/6 xfrm state offloaded"); return -EINVAL; } if (x->props.mode != XFRM_MODE_TRANSPORT && x->props.mode != XFRM_MODE_TUNNEL) { - pr_debug("Only transport and tunnel xfrm offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Only transport and tunnel xfrm offload"); return -EINVAL; } if (x->id.proto != IPPROTO_ESP) { - pr_debug("Only ESP xfrm state offloaded\n"); + NL_SET_ERR_MSG_MOD(extack, "Only ESP xfrm state offloaded"); return -EINVAL; } if (x->encap) { - pr_debug("Encapsulated xfrm state not offloaded\n"); + NL_SET_ERR_MSG_MOD(extack, "Encapsulated xfrm state not offloaded"); return -EINVAL; } if (!x->aead) { - pr_debug("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 && x->aead->alg_icv_len != 96) { - pr_debug("Cannot offload xfrm states with AEAD ICV length other than 96b & 128b\n"); - return -EINVAL; + NL_SET_ERR_MSG_MOD(extack, "Cannot offload xfrm states with AEAD ICV length other than 96b & 128b"); + return -EINVAL; } if ((x->aead->alg_key_len != 128 + 32) && (x->aead->alg_key_len != 256 + 32)) { - pr_debug("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) { - pr_debug("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) { - pr_debug("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")) { - pr_debug("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; } if (x->xso.type != XFRM_DEV_OFFLOAD_CRYPTO) { - pr_debug("Unsupported xfrm offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported xfrm offload"); return -EINVAL; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c index 53a969e34883..13a6fca31004 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c @@ -557,8 +557,10 @@ static int ixgbe_ipsec_check_mgmt_ip(struct xfrm_state *xs) /** * ixgbe_ipsec_add_sa - program device with a security association * @xs: pointer to transformer state struct + * @extack: extack point to fill failure reason **/ -static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) +static int ixgbe_ipsec_add_sa(struct xfrm_state *xs, + struct netlink_ext_ack *extack) { struct net_device *dev = xs->xso.real_dev; struct ixgbe_adapter *adapter = netdev_priv(dev); @@ -570,23 +572,22 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) int i; if (xs->id.proto != IPPROTO_ESP && xs->id.proto != IPPROTO_AH) { - netdev_err(dev, "Unsupported protocol 0x%04x for ipsec offload\n", - xs->id.proto); + NL_SET_ERR_MSG_MOD(extack, "Unsupported protocol for ipsec offload"); return -EINVAL; } if (xs->props.mode != XFRM_MODE_TRANSPORT) { - netdev_err(dev, "Unsupported mode for ipsec offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported mode for ipsec offload"); return -EINVAL; } if (ixgbe_ipsec_check_mgmt_ip(xs)) { - netdev_err(dev, "IPsec IP addr clash with mgmt filters\n"); + NL_SET_ERR_MSG_MOD(extack, "IPsec IP addr clash with mgmt filters"); return -EINVAL; } if (xs->xso.type != XFRM_DEV_OFFLOAD_CRYPTO) { - netdev_err(dev, "Unsupported ipsec offload type\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported ipsec offload type"); return -EINVAL; } @@ -594,14 +595,14 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) struct rx_sa rsa; if (xs->calg) { - netdev_err(dev, "Compression offload not supported\n"); + NL_SET_ERR_MSG_MOD(extack, "Compression offload not supported"); return -EINVAL; } /* find the first unused index */ ret = ixgbe_ipsec_find_empty_idx(ipsec, true); if (ret < 0) { - netdev_err(dev, "No space for SA in Rx table!\n"); + NL_SET_ERR_MSG_MOD(extack, "No space for SA in Rx table!"); return ret; } sa_idx = (u16)ret; @@ -616,7 +617,7 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) /* get the key and salt */ ret = ixgbe_ipsec_parse_proto_keys(xs, rsa.key, &rsa.salt); if (ret) { - netdev_err(dev, "Failed to get key data for Rx SA table\n"); + NL_SET_ERR_MSG_MOD(extack, "Failed to get key data for Rx SA table"); return ret; } @@ -676,7 +677,7 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) } else { /* no match and no empty slot */ - netdev_err(dev, "No space for SA in Rx IP SA table\n"); + NL_SET_ERR_MSG_MOD(extack, "No space for SA in Rx IP SA table"); memset(&rsa, 0, sizeof(rsa)); return -ENOSPC; } @@ -711,7 +712,7 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) /* find the first unused index */ ret = ixgbe_ipsec_find_empty_idx(ipsec, false); if (ret < 0) { - netdev_err(dev, "No space for SA in Tx table\n"); + NL_SET_ERR_MSG_MOD(extack, "No space for SA in Tx table"); return ret; } sa_idx = (u16)ret; @@ -725,7 +726,7 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) ret = ixgbe_ipsec_parse_proto_keys(xs, tsa.key, &tsa.salt); if (ret) { - netdev_err(dev, "Failed to get key data for Tx SA table\n"); + NL_SET_ERR_MSG_MOD(extack, "Failed to get key data for Tx SA table"); memset(&tsa, 0, sizeof(tsa)); return ret; } @@ -950,7 +951,7 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) memcpy(xs->aead->alg_name, aes_gcm_name, sizeof(aes_gcm_name)); /* set up the HW offload */ - err = ixgbe_ipsec_add_sa(xs); + err = ixgbe_ipsec_add_sa(xs, NULL); if (err) goto err_aead; diff --git a/drivers/net/ethernet/intel/ixgbevf/ipsec.c b/drivers/net/ethernet/intel/ixgbevf/ipsec.c index c1cf540d162a..66cf17f19408 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ipsec.c +++ b/drivers/net/ethernet/intel/ixgbevf/ipsec.c @@ -257,8 +257,10 @@ static int ixgbevf_ipsec_parse_proto_keys(struct xfrm_state *xs, /** * ixgbevf_ipsec_add_sa - program device with a security association * @xs: pointer to transformer state struct + * @extack: extack point to fill failure reason **/ -static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs) +static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs, + struct netlink_ext_ack *extack) { struct net_device *dev = xs->xso.real_dev; struct ixgbevf_adapter *adapter; @@ -270,18 +272,17 @@ static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs) ipsec = adapter->ipsec; if (xs->id.proto != IPPROTO_ESP && xs->id.proto != IPPROTO_AH) { - netdev_err(dev, "Unsupported protocol 0x%04x for IPsec offload\n", - xs->id.proto); + NL_SET_ERR_MSG_MOD(extack, "Unsupported protocol for IPsec offload"); return -EINVAL; } if (xs->props.mode != XFRM_MODE_TRANSPORT) { - netdev_err(dev, "Unsupported mode for ipsec offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported mode for ipsec offload"); return -EINVAL; } if (xs->xso.type != XFRM_DEV_OFFLOAD_CRYPTO) { - netdev_err(dev, "Unsupported ipsec offload type\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported ipsec offload type"); return -EINVAL; } @@ -289,14 +290,14 @@ static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs) struct rx_sa rsa; if (xs->calg) { - netdev_err(dev, "Compression offload not supported\n"); + NL_SET_ERR_MSG_MOD(extack, "Compression offload not supported"); return -EINVAL; } /* find the first unused index */ ret = ixgbevf_ipsec_find_empty_idx(ipsec, true); if (ret < 0) { - netdev_err(dev, "No space for SA in Rx table!\n"); + NL_SET_ERR_MSG_MOD(extack, "No space for SA in Rx table!"); return ret; } sa_idx = (u16)ret; @@ -311,7 +312,7 @@ static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs) /* get the key and salt */ ret = ixgbevf_ipsec_parse_proto_keys(xs, rsa.key, &rsa.salt); if (ret) { - netdev_err(dev, "Failed to get key data for Rx SA table\n"); + NL_SET_ERR_MSG_MOD(extack, "Failed to get key data for Rx SA table"); return ret; } @@ -350,7 +351,7 @@ static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs) /* find the first unused index */ ret = ixgbevf_ipsec_find_empty_idx(ipsec, false); if (ret < 0) { - netdev_err(dev, "No space for SA in Tx table\n"); + NL_SET_ERR_MSG_MOD(extack, "No space for SA in Tx table"); return ret; } sa_idx = (u16)ret; @@ -364,7 +365,7 @@ static int ixgbevf_ipsec_add_sa(struct xfrm_state *xs) ret = ixgbevf_ipsec_parse_proto_keys(xs, tsa.key, &tsa.salt); if (ret) { - netdev_err(dev, "Failed to get key data for Tx SA table\n"); + NL_SET_ERR_MSG_MOD(extack, "Failed to get key data for Tx SA table"); memset(&tsa, 0, sizeof(tsa)); return ret; } 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 bb9023957f74..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; @@ -298,7 +289,8 @@ static void _update_xfrm_state(struct work_struct *work) mlx5_accel_esp_modify_xfrm(sa_entry, &modify_work->attrs); } -static int mlx5e_xfrm_add_state(struct xfrm_state *x) +static int mlx5e_xfrm_add_state(struct xfrm_state *x, + struct netlink_ext_ack *extack) { struct mlx5e_ipsec_sa_entry *sa_entry = NULL; struct net_device *netdev = x->xso.real_dev; @@ -311,15 +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; @@ -360,7 +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; } @@ -497,34 +487,33 @@ static void mlx5e_xfrm_update_curlft(struct xfrm_state *x) mlx5e_ipsec_aso_update_curlft(sa_entry, &x->curlft.packets); } -static int mlx5e_xfrm_validate_policy(struct xfrm_policy *x) +static int mlx5e_xfrm_validate_policy(struct xfrm_policy *x, + struct netlink_ext_ack *extack) { - struct net_device *netdev = x->xdo.real_dev; - if (x->type != XFRM_POLICY_TYPE_MAIN) { - netdev_info(netdev, "Cannot offload non-main policy types\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload non-main policy types"); return -EINVAL; } /* Please pay attention that we support only one template */ if (x->xfrm_nr > 1) { - netdev_info(netdev, "Cannot offload more than one template\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload more than one template"); return -EINVAL; } if (x->xdo.dir != XFRM_DEV_OFFLOAD_IN && x->xdo.dir != XFRM_DEV_OFFLOAD_OUT) { - netdev_info(netdev, "Cannot offload forward policy\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload forward policy"); return -EINVAL; } if (!x->xfrm_vec[0].reqid) { - netdev_info(netdev, "Cannot offload policy without reqid\n"); + NL_SET_ERR_MSG_MOD(extack, "Cannot offload policy without reqid"); return -EINVAL; } if (x->xdo.type != XFRM_DEV_OFFLOAD_PACKET) { - netdev_info(netdev, "Unsupported xfrm offload type\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported xfrm offload type"); return -EINVAL; } @@ -550,7 +539,8 @@ mlx5e_ipsec_build_accel_pol_attrs(struct mlx5e_ipsec_pol_entry *pol_entry, attrs->reqid = x->xfrm_vec[0].reqid; } -static int mlx5e_xfrm_add_policy(struct xfrm_policy *x) +static int mlx5e_xfrm_add_policy(struct xfrm_policy *x, + struct netlink_ext_ack *extack) { struct net_device *netdev = x->xdo.real_dev; struct mlx5e_ipsec_pol_entry *pol_entry; @@ -558,10 +548,12 @@ static int mlx5e_xfrm_add_policy(struct xfrm_policy *x) int err; priv = netdev_priv(netdev); - if (!priv->ipsec) + if (!priv->ipsec) { + NL_SET_ERR_MSG_MOD(extack, "Device doesn't support IPsec packet offload"); return -EOPNOTSUPP; + } - err = mlx5e_xfrm_validate_policy(x); + err = mlx5e_xfrm_validate_policy(x, extack); if (err) return err; @@ -582,6 +574,7 @@ static int mlx5e_xfrm_add_policy(struct xfrm_policy *x) err_fs: kfree(pol_entry); + NL_SET_ERR_MSG_MOD(extack, "Device failed to offload this policy"); return err; } diff --git a/drivers/net/ethernet/netronome/nfp/crypto/ipsec.c b/drivers/net/ethernet/netronome/nfp/crypto/ipsec.c index 4632268695cb..b44263177981 100644 --- a/drivers/net/ethernet/netronome/nfp/crypto/ipsec.c +++ b/drivers/net/ethernet/netronome/nfp/crypto/ipsec.c @@ -260,7 +260,8 @@ static void set_sha2_512hmac(struct nfp_ipsec_cfg_add_sa *cfg, int *trunc_len) } } -static int nfp_net_xfrm_add_state(struct xfrm_state *x) +static int nfp_net_xfrm_add_state(struct xfrm_state *x, + struct netlink_ext_ack *extack) { struct net_device *netdev = x->xso.dev; struct nfp_ipsec_cfg_mssg msg = {}; @@ -281,7 +282,7 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) cfg->ctrl_word.mode = NFP_IPSEC_PROTMODE_TRANSPORT; break; default: - nn_err(nn, "Unsupported mode for xfrm offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported mode for xfrm offload"); return -EINVAL; } @@ -293,17 +294,17 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) cfg->ctrl_word.proto = NFP_IPSEC_PROTOCOL_AH; break; default: - nn_err(nn, "Unsupported protocol for xfrm offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported protocol for xfrm offload"); return -EINVAL; } if (x->props.flags & XFRM_STATE_ESN) { - nn_err(nn, "Unsupported XFRM_REPLAY_MODE_ESN for xfrm offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported XFRM_REPLAY_MODE_ESN for xfrm offload"); return -EINVAL; } if (x->xso.type != XFRM_DEV_OFFLOAD_CRYPTO) { - nn_err(nn, "Unsupported xfrm offload tyoe\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported xfrm offload type"); return -EINVAL; } @@ -320,7 +321,7 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) if (x->aead) { trunc_len = -1; } else { - nn_err(nn, "Unsupported authentication algorithm\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported authentication algorithm"); return -EINVAL; } break; @@ -344,19 +345,19 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) set_sha2_512hmac(cfg, &trunc_len); break; default: - nn_err(nn, "Unsupported authentication algorithm\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported authentication algorithm"); return -EINVAL; } if (!trunc_len) { - nn_err(nn, "Unsupported authentication algorithm trunc length\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported authentication algorithm trunc length"); return -EINVAL; } if (x->aalg) { key_len = DIV_ROUND_UP(x->aalg->alg_key_len, BITS_PER_BYTE); if (key_len > sizeof(cfg->auth_key)) { - nn_err(nn, "Insufficient space for offloaded auth key\n"); + NL_SET_ERR_MSG_MOD(extack, "Insufficient space for offloaded auth key"); return -EINVAL; } for (i = 0; i < key_len / sizeof(cfg->auth_key[0]) ; i++) @@ -378,12 +379,12 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) case SADB_X_EALG_AES_GCM_ICV16: case SADB_X_EALG_NULL_AES_GMAC: if (!x->aead) { - nn_err(nn, "Invalid AES key data\n"); + NL_SET_ERR_MSG_MOD(extack, "Invalid AES key data"); return -EINVAL; } if (x->aead->alg_icv_len != 128) { - nn_err(nn, "ICV must be 128bit with SADB_X_EALG_AES_GCM_ICV16\n"); + NL_SET_ERR_MSG_MOD(extack, "ICV must be 128bit with SADB_X_EALG_AES_GCM_ICV16"); return -EINVAL; } cfg->ctrl_word.cimode = NFP_IPSEC_CIMODE_CTR; @@ -391,23 +392,23 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) /* Aead->alg_key_len includes 32-bit salt */ if (set_aes_keylen(cfg, x->props.ealgo, x->aead->alg_key_len - 32)) { - nn_err(nn, "Unsupported AES key length %d\n", x->aead->alg_key_len); + NL_SET_ERR_MSG_MOD(extack, "Unsupported AES key length"); return -EINVAL; } break; case SADB_X_EALG_AESCBC: cfg->ctrl_word.cimode = NFP_IPSEC_CIMODE_CBC; if (!x->ealg) { - nn_err(nn, "Invalid AES key data\n"); + NL_SET_ERR_MSG_MOD(extack, "Invalid AES key data"); return -EINVAL; } if (set_aes_keylen(cfg, x->props.ealgo, x->ealg->alg_key_len) < 0) { - nn_err(nn, "Unsupported AES key length %d\n", x->ealg->alg_key_len); + NL_SET_ERR_MSG_MOD(extack, "Unsupported AES key length"); return -EINVAL; } break; default: - nn_err(nn, "Unsupported encryption algorithm for offload\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported encryption algorithm for offload"); return -EINVAL; } @@ -418,7 +419,7 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) key_len -= salt_len; if (key_len > sizeof(cfg->ciph_key)) { - nn_err(nn, "aead: Insufficient space for offloaded key\n"); + NL_SET_ERR_MSG_MOD(extack, "aead: Insufficient space for offloaded key"); return -EINVAL; } @@ -434,7 +435,7 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) key_len = DIV_ROUND_UP(x->ealg->alg_key_len, BITS_PER_BYTE); if (key_len > sizeof(cfg->ciph_key)) { - nn_err(nn, "ealg: Insufficient space for offloaded key\n"); + NL_SET_ERR_MSG_MOD(extack, "ealg: Insufficient space for offloaded key"); return -EINVAL; } for (i = 0; i < key_len / sizeof(cfg->ciph_key[0]) ; i++) @@ -457,7 +458,7 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) } break; default: - nn_err(nn, "Unsupported address family\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported address family"); return -EINVAL; } @@ -472,7 +473,7 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) err = xa_alloc(&nn->xa_ipsec, &saidx, x, XA_LIMIT(0, NFP_NET_IPSEC_MAX_SA_CNT - 1), GFP_KERNEL); if (err < 0) { - nn_err(nn, "Unable to get sa_data number for IPsec\n"); + NL_SET_ERR_MSG_MOD(extack, "Unable to get sa_data number for IPsec"); return err; } @@ -480,7 +481,7 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x) err = nfp_ipsec_cfg_cmd_issue(nn, NFP_IPSEC_CFG_MSSG_ADD_SA, saidx, &msg); if (err) { xa_erase(&nn->xa_ipsec, saidx); - nn_err(nn, "Failed to issue IPsec command err ret=%d\n", err); + NL_SET_ERR_MSG_MOD(extack, "Failed to issue IPsec command"); return err; } diff --git a/drivers/net/netdevsim/ipsec.c b/drivers/net/netdevsim/ipsec.c index b93baf5c8bee..f0d58092e7e9 100644 --- a/drivers/net/netdevsim/ipsec.c +++ b/drivers/net/netdevsim/ipsec.c @@ -125,7 +125,8 @@ static int nsim_ipsec_parse_proto_keys(struct xfrm_state *xs, return 0; } -static int nsim_ipsec_add_sa(struct xfrm_state *xs) +static int nsim_ipsec_add_sa(struct xfrm_state *xs, + struct netlink_ext_ack *extack) { struct nsim_ipsec *ipsec; struct net_device *dev; @@ -139,25 +140,24 @@ static int nsim_ipsec_add_sa(struct xfrm_state *xs) ipsec = &ns->ipsec; if (xs->id.proto != IPPROTO_ESP && xs->id.proto != IPPROTO_AH) { - netdev_err(dev, "Unsupported protocol 0x%04x for ipsec offload\n", - xs->id.proto); + NL_SET_ERR_MSG_MOD(extack, "Unsupported protocol for ipsec offload"); return -EINVAL; } if (xs->calg) { - netdev_err(dev, "Compression offload not supported\n"); + NL_SET_ERR_MSG_MOD(extack, "Compression offload not supported"); return -EINVAL; } if (xs->xso.type != XFRM_DEV_OFFLOAD_CRYPTO) { - netdev_err(dev, "Unsupported ipsec offload type\n"); + NL_SET_ERR_MSG_MOD(extack, "Unsupported ipsec offload type"); return -EINVAL; } /* find the first unused index */ ret = nsim_ipsec_find_empty_idx(ipsec); if (ret < 0) { - netdev_err(dev, "No space for SA in Rx table!\n"); + NL_SET_ERR_MSG_MOD(extack, "No space for SA in Rx table!"); return ret; } sa_idx = (u16)ret; @@ -172,7 +172,7 @@ static int nsim_ipsec_add_sa(struct xfrm_state *xs) /* get the key and salt */ ret = nsim_ipsec_parse_proto_keys(xs, sa.key, &sa.salt); if (ret) { - netdev_err(dev, "Failed to get key data for SA table\n"); + NL_SET_ERR_MSG_MOD(extack, "Failed to get key data for SA table"); return ret; } diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index aad12a179e54..63b77cbc947e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1035,14 +1035,14 @@ struct netdev_bpf { #ifdef CONFIG_XFRM_OFFLOAD struct xfrmdev_ops { - int (*xdo_dev_state_add) (struct xfrm_state *x); + int (*xdo_dev_state_add) (struct xfrm_state *x, struct netlink_ext_ack *extack); void (*xdo_dev_state_delete) (struct xfrm_state *x); void (*xdo_dev_state_free) (struct xfrm_state *x); bool (*xdo_dev_offload_ok) (struct sk_buff *skb, struct xfrm_state *x); void (*xdo_dev_state_advance_esn) (struct xfrm_state *x); void (*xdo_dev_state_update_curlft) (struct xfrm_state *x); - int (*xdo_dev_policy_add) (struct xfrm_policy *x); + int (*xdo_dev_policy_add) (struct xfrm_policy *x, struct netlink_ext_ack *extack); void (*xdo_dev_policy_delete) (struct xfrm_policy *x); void (*xdo_dev_policy_free) (struct xfrm_policy *x); }; diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index 4aff76c6f12e..562b9d951598 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -309,7 +309,7 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, else xso->type = XFRM_DEV_OFFLOAD_CRYPTO; - err = dev->xfrmdev_ops->xdo_dev_state_add(x); + err = dev->xfrmdev_ops->xdo_dev_state_add(x, extack); if (err) { xso->dev = NULL; xso->dir = 0; @@ -325,10 +325,8 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, * authors to do not return -EOPNOTSUPP in packet offload mode. */ WARN_ON(err == -EOPNOTSUPP && is_packet_offload); - if (err != -EOPNOTSUPP || is_packet_offload) { - NL_SET_ERR_MSG(extack, "Device failed to offload this state"); + if (err != -EOPNOTSUPP || is_packet_offload) return err; - } } return 0; @@ -383,14 +381,13 @@ int xfrm_dev_policy_add(struct net *net, struct xfrm_policy *xp, return -EINVAL; } - err = dev->xfrmdev_ops->xdo_dev_policy_add(xp); + err = dev->xfrmdev_ops->xdo_dev_policy_add(xp, extack); if (err) { xdo->dev = NULL; xdo->real_dev = NULL; xdo->type = XFRM_DEV_OFFLOAD_UNSPECIFIED; xdo->dir = 0; netdev_put(dev, &xdo->dev_tracker); - NL_SET_ERR_MSG(extack, "Device failed to offload this policy"); return err; } diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 89c731f4f0c7..59fffa02d1cc 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1274,7 +1274,7 @@ found: xso->real_dev = xdo->real_dev; netdev_tracker_alloc(xso->dev, &xso->dev_tracker, GFP_ATOMIC); - error = xso->dev->xfrmdev_ops->xdo_dev_state_add(x); + error = xso->dev->xfrmdev_ops->xdo_dev_state_add(x, NULL); if (error) { xso->dir = 0; netdev_put(xso->dev, &xso->dev_tracker);