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tls: hw: rx: use return value of tls_device_decrypted() to carry status 

Instead of tls_device poking into internals of the message
return 1 from tls_device_decrypted() if the device handled
the decryption.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2022-04-07 20:38:23 -07:00 committed by David S. Miller
parent 3764ae5ba6
commit 71471ca325
2 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
net/tls/tls_device.c
View File

@ -948,7 +948,6 @@ int tls_device_decrypted(struct sock *sk, struct tls_context *tls_ctx,
struct sk_buff *skb, struct strp_msg *rxm)
{
struct tls_offload_context_rx *ctx = tls_offload_ctx_rx(tls_ctx);
struct tls_msg *tlm = tls_msg(skb);
int is_decrypted = skb->decrypted;
int is_encrypted = !is_decrypted;
struct sk_buff *skb_iter;
@ -963,11 +962,9 @@ int tls_device_decrypted(struct sock *sk, struct tls_context *tls_ctx,
tls_ctx->rx.rec_seq, rxm->full_len,
is_encrypted, is_decrypted);
tlm->decrypted |= is_decrypted;
if (unlikely(test_bit(TLS_RX_DEV_DEGRADED, &tls_ctx->flags))) {
if (likely(is_encrypted || is_decrypted))
return 0;
return is_decrypted;
/* After tls_device_down disables the offload, the next SKB will
* likely have initial fragments decrypted, and final ones not
@ -982,7 +979,7 @@ int tls_device_decrypted(struct sock *sk, struct tls_context *tls_ctx,
*/
if (is_decrypted) {
ctx->resync_nh_reset = 1;
return 0;
return is_decrypted;
}
if (is_encrypted) {
tls_device_core_ctrl_rx_resync(tls_ctx, ctx, sk, skb);

5
net/tls/tls_sw.c
View File

@ -1575,9 +1575,8 @@ static int decrypt_skb_update(struct sock *sk, struct sk_buff *skb,
err = tls_device_decrypted(sk, tls_ctx, skb, rxm);
if (err < 0)
return err;
/* skip SW decryption if NIC handled it already */
if (tlm->decrypted) {
if (err > 0) {
tlm->decrypted = 1;
*zc = false;
goto decrypt_done;
}