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tls: Move tls_make_aad to header to allow sharing

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move tls_make_aad as it is going to be reused
by the device offload code and rx path.
Remove unused recv parameter.

Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilya Lesokhin 2017-11-13 10:22:47 +02:00 committed by David S. Miller
parent ff45d820a2
commit 213ef6e7c9
2 changed files with 16 additions and 17 deletions
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15
include/net/tls.h
View file

@ -214,6 +214,21 @@ static inline void tls_fill_prepend(struct tls_context *ctx,
ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, iv_size);
}
static inline void tls_make_aad(char *buf,
size_t size,
char *record_sequence,
int record_sequence_size,
unsigned char record_type)
{
memcpy(buf, record_sequence, record_sequence_size);
buf[8] = record_type;
buf[9] = TLS_1_2_VERSION_MAJOR;
buf[10] = TLS_1_2_VERSION_MINOR;
buf[11] = size >> 8;
buf[12] = size & 0xFF;
}
static inline struct tls_context *tls_get_ctx(const struct sock *sk)
{
struct inet_connection_sock *icsk = inet_csk(sk);

18
net/tls/tls_sw.c
View file

@ -39,22 +39,6 @@
#include <net/tls.h>
static inline void tls_make_aad(int recv,
char *buf,
size_t size,
char *record_sequence,
int record_sequence_size,
unsigned char record_type)
{
memcpy(buf, record_sequence, record_sequence_size);
buf[8] = record_type;
buf[9] = TLS_1_2_VERSION_MAJOR;
buf[10] = TLS_1_2_VERSION_MINOR;
buf[11] = size >> 8;
buf[12] = size & 0xFF;
}
static void trim_sg(struct sock *sk, struct scatterlist *sg,
int *sg_num_elem, unsigned int *sg_size, int target_size)
{
@ -249,7 +233,7 @@ static int tls_push_record(struct sock *sk, int flags,
sg_mark_end(ctx->sg_plaintext_data + ctx->sg_plaintext_num_elem - 1);
sg_mark_end(ctx->sg_encrypted_data + ctx->sg_encrypted_num_elem - 1);
tls_make_aad(0, ctx->aad_space, ctx->sg_plaintext_size,
tls_make_aad(ctx->aad_space, ctx->sg_plaintext_size,
tls_ctx->rec_seq, tls_ctx->rec_seq_size,
record_type);