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author | Sabrina Dubroca <sd@queasysnail.net> | 2023-08-25 23:35:12 +0200 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2023-08-27 17:17:41 -0700 |
commit | 8db44ab26bebe969851468bea6072d9a094b2ace (patch) | |
tree | f6a66429c6b8f7d5625e849306fc24fe5e1e9610 /net/tls | |
parent | 037303d6760751fdb95ba62cf448ecbc1ac29c98 (diff) | |
download | linux-8db44ab26bebe969851468bea6072d9a094b2ace.tar.gz linux-8db44ab26bebe969851468bea6072d9a094b2ace.tar.bz2 linux-8db44ab26bebe969851468bea6072d9a094b2ace.zip |
tls: rename tls_cipher_size_desc to tls_cipher_desc
We're going to add other fields to it to fully describe a cipher, so
the "_size" name won't match the contents.
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/r/76ca6c7686bd6d1534dfa188fb0f1f6fabebc791.1692977948.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/tls')
-rw-r--r-- | net/tls/tls.h | 8 | ||||
-rw-r--r-- | net/tls/tls_device.c | 34 | ||||
-rw-r--r-- | net/tls/tls_device_fallback.c | 42 | ||||
-rw-r--r-- | net/tls/tls_main.c | 20 |
4 files changed, 52 insertions, 52 deletions
diff --git a/net/tls/tls.h b/net/tls/tls.h index ea799ef77bf8..d4b56ca9d267 100644 --- a/net/tls/tls.h +++ b/net/tls/tls.h @@ -51,7 +51,7 @@ #define TLS_DEC_STATS(net, field) \ SNMP_DEC_STATS((net)->mib.tls_statistics, field) -struct tls_cipher_size_desc { +struct tls_cipher_desc { unsigned int iv; unsigned int key; unsigned int salt; @@ -61,14 +61,14 @@ struct tls_cipher_size_desc { #define TLS_CIPHER_MIN TLS_CIPHER_AES_GCM_128 #define TLS_CIPHER_MAX TLS_CIPHER_ARIA_GCM_256 -extern const struct tls_cipher_size_desc tls_cipher_size_desc[TLS_CIPHER_MAX + 1 - TLS_CIPHER_MIN]; +extern const struct tls_cipher_desc tls_cipher_desc[TLS_CIPHER_MAX + 1 - TLS_CIPHER_MIN]; -static inline const struct tls_cipher_size_desc *get_cipher_size_desc(u16 cipher_type) +static inline const struct tls_cipher_desc *get_cipher_desc(u16 cipher_type) { if (cipher_type < TLS_CIPHER_MIN || cipher_type > TLS_CIPHER_MAX) return NULL; - return &tls_cipher_size_desc[cipher_type - TLS_CIPHER_MIN]; + return &tls_cipher_desc[cipher_type - TLS_CIPHER_MIN]; } diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index 9bc42041c2ce..98885d872d4c 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -884,7 +884,7 @@ static int tls_device_reencrypt(struct sock *sk, struct tls_context *tls_ctx) { struct tls_sw_context_rx *sw_ctx = tls_sw_ctx_rx(tls_ctx); - const struct tls_cipher_size_desc *cipher_sz; + const struct tls_cipher_desc *cipher_desc; int err, offset, copy, data_len, pos; struct sk_buff *skb, *skb_iter; struct scatterlist sg[1]; @@ -898,10 +898,10 @@ tls_device_reencrypt(struct sock *sk, struct tls_context *tls_ctx) default: return -EINVAL; } - cipher_sz = get_cipher_size_desc(tls_ctx->crypto_recv.info.cipher_type); + cipher_desc = get_cipher_desc(tls_ctx->crypto_recv.info.cipher_type); rxm = strp_msg(tls_strp_msg(sw_ctx)); - orig_buf = kmalloc(rxm->full_len + TLS_HEADER_SIZE + cipher_sz->iv, + orig_buf = kmalloc(rxm->full_len + TLS_HEADER_SIZE + cipher_desc->iv, sk->sk_allocation); if (!orig_buf) return -ENOMEM; @@ -917,8 +917,8 @@ tls_device_reencrypt(struct sock *sk, struct tls_context *tls_ctx) sg_init_table(sg, 1); sg_set_buf(&sg[0], buf, - rxm->full_len + TLS_HEADER_SIZE + cipher_sz->iv); - err = skb_copy_bits(skb, offset, buf, TLS_HEADER_SIZE + cipher_sz->iv); + rxm->full_len + TLS_HEADER_SIZE + cipher_desc->iv); + err = skb_copy_bits(skb, offset, buf, TLS_HEADER_SIZE + cipher_desc->iv); if (err) goto free_buf; @@ -929,7 +929,7 @@ tls_device_reencrypt(struct sock *sk, struct tls_context *tls_ctx) else err = 0; - data_len = rxm->full_len - cipher_sz->tag; + data_len = rxm->full_len - cipher_desc->tag; if (skb_pagelen(skb) > offset) { copy = min_t(int, skb_pagelen(skb) - offset, data_len); @@ -1046,7 +1046,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) { struct tls_context *tls_ctx = tls_get_ctx(sk); struct tls_prot_info *prot = &tls_ctx->prot_info; - const struct tls_cipher_size_desc *cipher_sz; + const struct tls_cipher_desc *cipher_desc; struct tls_record_info *start_marker_record; struct tls_offload_context_tx *offload_ctx; struct tls_crypto_info *crypto_info; @@ -1094,31 +1094,31 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) rc = -EINVAL; goto release_netdev; } - cipher_sz = get_cipher_size_desc(crypto_info->cipher_type); + cipher_desc = get_cipher_desc(crypto_info->cipher_type); /* Sanity-check the rec_seq_size for stack allocations */ - if (cipher_sz->rec_seq > TLS_MAX_REC_SEQ_SIZE) { + if (cipher_desc->rec_seq > TLS_MAX_REC_SEQ_SIZE) { rc = -EINVAL; goto release_netdev; } prot->version = crypto_info->version; prot->cipher_type = crypto_info->cipher_type; - prot->prepend_size = TLS_HEADER_SIZE + cipher_sz->iv; - prot->tag_size = cipher_sz->tag; + 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_sz->iv; - prot->salt_size = cipher_sz->salt; - ctx->tx.iv = kmalloc(cipher_sz->iv + cipher_sz->salt, GFP_KERNEL); + 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_sz->salt, iv, cipher_sz->iv); + memcpy(ctx->tx.iv + cipher_desc->salt, iv, cipher_desc->iv); - prot->rec_seq_size = cipher_sz->rec_seq; - ctx->tx.rec_seq = kmemdup(rec_seq, cipher_sz->rec_seq, GFP_KERNEL); + 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; diff --git a/net/tls/tls_device_fallback.c b/net/tls/tls_device_fallback.c index dd21fa4961b6..cb224fb2a394 100644 --- a/net/tls/tls_device_fallback.c +++ b/net/tls/tls_device_fallback.c @@ -55,7 +55,7 @@ static int tls_enc_record(struct aead_request *aead_req, struct tls_prot_info *prot) { unsigned char buf[TLS_HEADER_SIZE + MAX_IV_SIZE]; - const struct tls_cipher_size_desc *cipher_sz; + const struct tls_cipher_desc *cipher_desc; struct scatterlist sg_in[3]; struct scatterlist sg_out[3]; unsigned int buf_size; @@ -69,9 +69,9 @@ static int tls_enc_record(struct aead_request *aead_req, default: return -EINVAL; } - cipher_sz = get_cipher_size_desc(prot->cipher_type); + cipher_desc = get_cipher_desc(prot->cipher_type); - buf_size = TLS_HEADER_SIZE + cipher_sz->iv; + buf_size = TLS_HEADER_SIZE + cipher_desc->iv; len = min_t(int, *in_len, buf_size); scatterwalk_copychunks(buf, in, len, 0); @@ -85,11 +85,11 @@ static int tls_enc_record(struct aead_request *aead_req, scatterwalk_pagedone(out, 1, 1); len = buf[4] | (buf[3] << 8); - len -= cipher_sz->iv; + len -= cipher_desc->iv; - tls_make_aad(aad, len - cipher_sz->tag, (char *)&rcd_sn, buf[0], prot); + tls_make_aad(aad, len - cipher_desc->tag, (char *)&rcd_sn, buf[0], prot); - memcpy(iv + cipher_sz->salt, buf + TLS_HEADER_SIZE, cipher_sz->iv); + memcpy(iv + cipher_desc->salt, buf + TLS_HEADER_SIZE, cipher_desc->iv); sg_init_table(sg_in, ARRAY_SIZE(sg_in)); sg_init_table(sg_out, ARRAY_SIZE(sg_out)); @@ -100,7 +100,7 @@ static int tls_enc_record(struct aead_request *aead_req, *in_len -= len; if (*in_len < 0) { - *in_len += cipher_sz->tag; + *in_len += cipher_desc->tag; /* the input buffer doesn't contain the entire record. * trim len accordingly. The resulting authentication tag * will contain garbage, but we don't care, so we won't @@ -121,7 +121,7 @@ static int tls_enc_record(struct aead_request *aead_req, scatterwalk_pagedone(out, 1, 1); } - len -= cipher_sz->tag; + len -= cipher_desc->tag; aead_request_set_crypt(aead_req, sg_in, sg_out, len, iv); rc = crypto_aead_encrypt(aead_req); @@ -309,14 +309,14 @@ static void fill_sg_out(struct scatterlist sg_out[3], void *buf, int sync_size, void *dummy_buf) { - const struct tls_cipher_size_desc *cipher_sz = - get_cipher_size_desc(tls_ctx->crypto_send.info.cipher_type); + const struct tls_cipher_desc *cipher_desc = + get_cipher_desc(tls_ctx->crypto_send.info.cipher_type); sg_set_buf(&sg_out[0], dummy_buf, sync_size); sg_set_buf(&sg_out[1], nskb->data + tcp_payload_offset, payload_len); /* Add room for authentication tag produced by crypto */ dummy_buf += sync_size; - sg_set_buf(&sg_out[2], dummy_buf, cipher_sz->tag); + sg_set_buf(&sg_out[2], dummy_buf, cipher_desc->tag); } static struct sk_buff *tls_enc_skb(struct tls_context *tls_ctx, @@ -328,7 +328,7 @@ static struct sk_buff *tls_enc_skb(struct tls_context *tls_ctx, struct tls_offload_context_tx *ctx = tls_offload_ctx_tx(tls_ctx); int tcp_payload_offset = skb_tcp_all_headers(skb); int payload_len = skb->len - tcp_payload_offset; - const struct tls_cipher_size_desc *cipher_sz; + const struct tls_cipher_desc *cipher_desc; void *buf, *iv, *aad, *dummy_buf, *salt; struct aead_request *aead_req; struct sk_buff *nskb = NULL; @@ -348,16 +348,16 @@ static struct sk_buff *tls_enc_skb(struct tls_context *tls_ctx, default: goto free_req; } - cipher_sz = get_cipher_size_desc(tls_ctx->crypto_send.info.cipher_type); - buf_len = cipher_sz->salt + cipher_sz->iv + TLS_AAD_SPACE_SIZE + - sync_size + cipher_sz->tag; + cipher_desc = get_cipher_desc(tls_ctx->crypto_send.info.cipher_type); + buf_len = cipher_desc->salt + cipher_desc->iv + TLS_AAD_SPACE_SIZE + + sync_size + cipher_desc->tag; buf = kmalloc(buf_len, GFP_ATOMIC); if (!buf) goto free_req; iv = buf; - memcpy(iv, salt, cipher_sz->salt); - aad = buf + cipher_sz->salt + cipher_sz->iv; + memcpy(iv, salt, cipher_desc->salt); + aad = buf + cipher_desc->salt + cipher_desc->iv; dummy_buf = aad + TLS_AAD_SPACE_SIZE; nskb = alloc_skb(skb_headroom(skb) + skb->len, GFP_ATOMIC); @@ -471,7 +471,7 @@ int tls_sw_fallback_init(struct sock *sk, struct tls_offload_context_tx *offload_ctx, struct tls_crypto_info *crypto_info) { - const struct tls_cipher_size_desc *cipher_sz; + const struct tls_cipher_desc *cipher_desc; const u8 *key; int rc; @@ -495,13 +495,13 @@ int tls_sw_fallback_init(struct sock *sk, rc = -EINVAL; goto free_aead; } - cipher_sz = get_cipher_size_desc(crypto_info->cipher_type); + cipher_desc = get_cipher_desc(crypto_info->cipher_type); - rc = crypto_aead_setkey(offload_ctx->aead_send, key, cipher_sz->key); + rc = crypto_aead_setkey(offload_ctx->aead_send, key, cipher_desc->key); if (rc) goto free_aead; - rc = crypto_aead_setauthsize(offload_ctx->aead_send, cipher_sz->tag); + rc = crypto_aead_setauthsize(offload_ctx->aead_send, cipher_desc->tag); if (rc) goto free_aead; diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index 1bf04636948d..217c2aa004dc 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -58,7 +58,7 @@ enum { TLS_NUM_PROTS, }; -#define CIPHER_SIZE_DESC(cipher) [cipher - TLS_CIPHER_MIN] = { \ +#define CIPHER_DESC(cipher) [cipher - TLS_CIPHER_MIN] = { \ .iv = cipher ## _IV_SIZE, \ .key = cipher ## _KEY_SIZE, \ .salt = cipher ## _SALT_SIZE, \ @@ -66,15 +66,15 @@ enum { .rec_seq = cipher ## _REC_SEQ_SIZE, \ } -const struct tls_cipher_size_desc tls_cipher_size_desc[TLS_CIPHER_MAX + 1 - TLS_CIPHER_MIN] = { - CIPHER_SIZE_DESC(TLS_CIPHER_AES_GCM_128), - CIPHER_SIZE_DESC(TLS_CIPHER_AES_GCM_256), - CIPHER_SIZE_DESC(TLS_CIPHER_AES_CCM_128), - CIPHER_SIZE_DESC(TLS_CIPHER_CHACHA20_POLY1305), - CIPHER_SIZE_DESC(TLS_CIPHER_SM4_GCM), - CIPHER_SIZE_DESC(TLS_CIPHER_SM4_CCM), - CIPHER_SIZE_DESC(TLS_CIPHER_ARIA_GCM_128), - CIPHER_SIZE_DESC(TLS_CIPHER_ARIA_GCM_256), +const struct tls_cipher_desc tls_cipher_desc[TLS_CIPHER_MAX + 1 - TLS_CIPHER_MIN] = { + CIPHER_DESC(TLS_CIPHER_AES_GCM_128), + CIPHER_DESC(TLS_CIPHER_AES_GCM_256), + CIPHER_DESC(TLS_CIPHER_AES_CCM_128), + CIPHER_DESC(TLS_CIPHER_CHACHA20_POLY1305), + CIPHER_DESC(TLS_CIPHER_SM4_GCM), + CIPHER_DESC(TLS_CIPHER_SM4_CCM), + CIPHER_DESC(TLS_CIPHER_ARIA_GCM_128), + CIPHER_DESC(TLS_CIPHER_ARIA_GCM_256), }; static const struct proto *saved_tcpv6_prot; |