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net/tls: don't pass version to tls_advance_record_sn()

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All callers pass prot->version as the last parameter
of tls_advance_record_sn(), yet tls_advance_record_sn()
itself needs a pointer to prot.  Pass prot from callers.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2019-06-03 15:17:05 -07:00 • committed by David S. Miller
parent f0aaa2c975
commit fb0f886fa2
3 changed files with 8 additions and 13 deletions
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10
include/net/tls.h
View file

@ -446,19 +446,15 @@ static inline struct tls_context *tls_get_ctx(const struct sock *sk)
} }
static inline void tls_advance_record_sn(struct sock *sk, static inline void tls_advance_record_sn(struct sock *sk,
struct cipher_context *ctx, struct tls_prot_info *prot,
int version) struct cipher_context *ctx)
{ {
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_prot_info *prot = &tls_ctx->prot_info;
if (tls_bigint_increment(ctx->rec_seq, prot->rec_seq_size)) if (tls_bigint_increment(ctx->rec_seq, prot->rec_seq_size))
tls_err_abort(sk, EBADMSG); tls_err_abort(sk, EBADMSG);
if (version != TLS_1_3_VERSION) { if (prot->version != TLS_1_3_VERSION)
tls_bigint_increment(ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, tls_bigint_increment(ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
prot->iv_size); prot->iv_size);
}
} }
static inline void tls_fill_prepend(struct tls_context *ctx, static inline void tls_fill_prepend(struct tls_context *ctx,

2
net/tls/tls_device.c
View file

@ -264,7 +264,7 @@ static int tls_push_record(struct sock *sk,
list_add_tail(&record->list, &offload_ctx->records_list); list_add_tail(&record->list, &offload_ctx->records_list);
spin_unlock_irq(&offload_ctx->lock); spin_unlock_irq(&offload_ctx->lock);
offload_ctx->open_record = NULL; offload_ctx->open_record = NULL;
tls_advance_record_sn(sk, &ctx->tx, prot->version); tls_advance_record_sn(sk, prot, &ctx->tx);
for (i = 0; i < record->num_frags; i++) { for (i = 0; i < record->num_frags; i++) {
frag = &record->frags[i]; frag = &record->frags[i];

9
net/tls/tls_sw.c
View file

@ -534,7 +534,7 @@ static int tls_do_encryption(struct sock *sk,
/* Unhook the record from context if encryption is not failure */ /* Unhook the record from context if encryption is not failure */
ctx->open_rec = NULL; ctx->open_rec = NULL;
tls_advance_record_sn(sk, &tls_ctx->tx, prot->version); tls_advance_record_sn(sk, prot, &tls_ctx->tx);
return rc; return rc;
} }
@ -1486,7 +1486,6 @@ static int decrypt_skb_update(struct sock *sk, struct sk_buff *skb,
struct tls_context *tls_ctx = tls_get_ctx(sk); struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx); struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
struct tls_prot_info *prot = &tls_ctx->prot_info; struct tls_prot_info *prot = &tls_ctx->prot_info;
int version = prot->version;
struct strp_msg *rxm = strp_msg(skb); struct strp_msg *rxm = strp_msg(skb);
int pad, err = 0; int pad, err = 0;
@ -1504,8 +1503,8 @@ static int decrypt_skb_update(struct sock *sk, struct sk_buff *skb,
async); async);
if (err < 0) { if (err < 0) {
if (err == -EINPROGRESS) if (err == -EINPROGRESS)
tls_advance_record_sn(sk, &tls_ctx->rx, tls_advance_record_sn(sk, prot,
version); &tls_ctx->rx);
return err; return err;
} }
@ -1520,7 +1519,7 @@ static int decrypt_skb_update(struct sock *sk, struct sk_buff *skb,
rxm->full_len -= pad; rxm->full_len -= pad;
rxm->offset += prot->prepend_size; rxm->offset += prot->prepend_size;
rxm->full_len -= prot->overhead_size; rxm->full_len -= prot->overhead_size;
tls_advance_record_sn(sk, &tls_ctx->rx, version); tls_advance_record_sn(sk, prot, &tls_ctx->rx);
ctx->decrypted = true; ctx->decrypted = true;
ctx->saved_data_ready(sk); ctx->saved_data_ready(sk);
} else { } else {