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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /net/tls/tls_device.c | |
parent | Adding debian version 6.6.15-2. (diff) | |
download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/tls/tls_device.c')
-rw-r--r-- | net/tls/tls_device.c | 101 |
1 files changed, 42 insertions, 59 deletions
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index 8c94c92660..bf8ed36b1a 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -56,11 +56,8 @@ static struct page *dummy_page; static void tls_device_free_ctx(struct tls_context *ctx) { - if (ctx->tx_conf == TLS_HW) { + if (ctx->tx_conf == TLS_HW) kfree(tls_offload_ctx_tx(ctx)); - kfree(ctx->tx.rec_seq); - kfree(ctx->tx.iv); - } if (ctx->rx_conf == TLS_HW) kfree(tls_offload_ctx_rx(ctx)); @@ -891,14 +888,8 @@ tls_device_reencrypt(struct sock *sk, struct tls_context *tls_ctx) struct strp_msg *rxm; char *orig_buf, *buf; - switch (tls_ctx->crypto_recv.info.cipher_type) { - case TLS_CIPHER_AES_GCM_128: - case TLS_CIPHER_AES_GCM_256: - break; - default: - return -EINVAL; - } cipher_desc = get_cipher_desc(tls_ctx->crypto_recv.info.cipher_type); + DEBUG_NET_WARN_ON_ONCE(!cipher_desc || !cipher_desc->offloadable); rxm = strp_msg(tls_strp_msg(sw_ctx)); orig_buf = kmalloc(rxm->full_len + TLS_HEADER_SIZE + cipher_desc->iv, @@ -1042,22 +1033,45 @@ static void tls_device_attach(struct tls_context *ctx, struct sock *sk, } } -int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) +static struct tls_offload_context_tx *alloc_offload_ctx_tx(struct tls_context *ctx) +{ + struct tls_offload_context_tx *offload_ctx; + __be64 rcd_sn; + + offload_ctx = kzalloc(sizeof(*offload_ctx), GFP_KERNEL); + if (!offload_ctx) + return NULL; + + INIT_WORK(&offload_ctx->destruct_work, tls_device_tx_del_task); + INIT_LIST_HEAD(&offload_ctx->records_list); + spin_lock_init(&offload_ctx->lock); + sg_init_table(offload_ctx->sg_tx_data, + ARRAY_SIZE(offload_ctx->sg_tx_data)); + + /* start at rec_seq - 1 to account for the start marker record */ + memcpy(&rcd_sn, ctx->tx.rec_seq, sizeof(rcd_sn)); + offload_ctx->unacked_record_sn = be64_to_cpu(rcd_sn) - 1; + + offload_ctx->ctx = ctx; + + return offload_ctx; +} + +int tls_set_device_offload(struct sock *sk) { - struct tls_context *tls_ctx = tls_get_ctx(sk); - struct tls_prot_info *prot = &tls_ctx->prot_info; - const struct tls_cipher_desc *cipher_desc; struct tls_record_info *start_marker_record; struct tls_offload_context_tx *offload_ctx; + const struct tls_cipher_desc *cipher_desc; struct tls_crypto_info *crypto_info; + struct tls_prot_info *prot; struct net_device *netdev; - char *iv, *rec_seq; + struct tls_context *ctx; struct sk_buff *skb; - __be64 rcd_sn; + char *iv, *rec_seq; int rc; - if (!ctx) - return -EINVAL; + ctx = tls_get_ctx(sk); + prot = &ctx->prot_info; if (ctx->priv_ctx_tx) return -EEXIST; @@ -1085,38 +1099,23 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) goto release_netdev; } + rc = init_prot_info(prot, crypto_info, cipher_desc); + if (rc) + goto release_netdev; + iv = crypto_info_iv(crypto_info, cipher_desc); rec_seq = crypto_info_rec_seq(crypto_info, cipher_desc); - prot->version = crypto_info->version; - prot->cipher_type = crypto_info->cipher_type; - prot->prepend_size = TLS_HEADER_SIZE + cipher_desc->iv; - prot->tag_size = cipher_desc->tag; - prot->overhead_size = prot->prepend_size + prot->tag_size; - prot->iv_size = cipher_desc->iv; - prot->salt_size = cipher_desc->salt; - ctx->tx.iv = kmalloc(cipher_desc->iv + cipher_desc->salt, GFP_KERNEL); - if (!ctx->tx.iv) { - rc = -ENOMEM; - goto release_netdev; - } - memcpy(ctx->tx.iv + cipher_desc->salt, iv, cipher_desc->iv); - - prot->rec_seq_size = cipher_desc->rec_seq; - ctx->tx.rec_seq = kmemdup(rec_seq, cipher_desc->rec_seq, GFP_KERNEL); - if (!ctx->tx.rec_seq) { - rc = -ENOMEM; - goto free_iv; - } + memcpy(ctx->tx.rec_seq, rec_seq, cipher_desc->rec_seq); start_marker_record = kmalloc(sizeof(*start_marker_record), GFP_KERNEL); if (!start_marker_record) { rc = -ENOMEM; - goto free_rec_seq; + goto release_netdev; } - offload_ctx = kzalloc(TLS_OFFLOAD_CONTEXT_SIZE_TX, GFP_KERNEL); + offload_ctx = alloc_offload_ctx_tx(ctx); if (!offload_ctx) { rc = -ENOMEM; goto free_marker_record; @@ -1126,22 +1125,10 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) if (rc) goto free_offload_ctx; - /* start at rec_seq - 1 to account for the start marker record */ - memcpy(&rcd_sn, ctx->tx.rec_seq, sizeof(rcd_sn)); - offload_ctx->unacked_record_sn = be64_to_cpu(rcd_sn) - 1; - start_marker_record->end_seq = tcp_sk(sk)->write_seq; start_marker_record->len = 0; start_marker_record->num_frags = 0; - - INIT_WORK(&offload_ctx->destruct_work, tls_device_tx_del_task); - offload_ctx->ctx = ctx; - - INIT_LIST_HEAD(&offload_ctx->records_list); list_add_tail(&start_marker_record->list, &offload_ctx->records_list); - spin_lock_init(&offload_ctx->lock); - sg_init_table(offload_ctx->sg_tx_data, - ARRAY_SIZE(offload_ctx->sg_tx_data)); clean_acked_data_enable(inet_csk(sk), &tls_icsk_clean_acked); ctx->push_pending_record = tls_device_push_pending_record; @@ -1198,10 +1185,6 @@ free_offload_ctx: ctx->priv_ctx_tx = NULL; free_marker_record: kfree(start_marker_record); -free_rec_seq: - kfree(ctx->tx.rec_seq); -free_iv: - kfree(ctx->tx.iv); release_netdev: dev_put(netdev); return rc; @@ -1242,7 +1225,7 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx) goto release_lock; } - context = kzalloc(TLS_OFFLOAD_CONTEXT_SIZE_RX, GFP_KERNEL); + context = kzalloc(sizeof(*context), GFP_KERNEL); if (!context) { rc = -ENOMEM; goto release_lock; @@ -1250,7 +1233,7 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx) context->resync_nh_reset = 1; ctx->priv_ctx_rx = context; - rc = tls_set_sw_offload(sk, ctx, 0); + rc = tls_set_sw_offload(sk, 0); if (rc) goto release_ctx; |