net/tls: store decrypted on a single bit

Use a single bit instead of boolean to remember if packet
was already decrypted.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/tls.h b/include/net/tls.h
index 97eae72..41265e5 100644 (file)
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -153,7 +153,7 @@ struct tls_sw_context_rx {
        struct sk_buff *recv_pkt;
        u8 control;
        u8 async_capable:1;
-       bool decrypted;
+       u8 decrypted:1;
        atomic_t decrypt_pending;
        bool async_notify;
 };

diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index c006b58..de7561d 100644 (file)
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1523,7 +1523,7 @@ static int decrypt_skb_update(struct sock *sk, struct sk_buff *skb,
                rxm->offset += prot->prepend_size;
                rxm->full_len -= prot->overhead_size;
                tls_advance_record_sn(sk, prot, &tls_ctx->rx);
-               ctx->decrypted = true;
+               ctx->decrypted = 1;
                ctx->saved_data_ready(sk);
        } else {
                *zc = false;
@@ -1933,7 +1933,7 @@ ssize_t tls_sw_splice_read(struct socket *sock,  loff_t *ppos,
                        tls_err_abort(sk, EBADMSG);
                        goto splice_read_end;
                }
-               ctx->decrypted = true;
+               ctx->decrypted = 1;
        }
        rxm = strp_msg(skb);
 
@@ -2034,7 +2034,7 @@ static void tls_queue(struct strparser *strp, struct sk_buff *skb)
        struct tls_context *tls_ctx = tls_get_ctx(strp->sk);
        struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
 
-       ctx->decrypted = false;
+       ctx->decrypted = 0;
 
        ctx->recv_pkt = skb;
        strp_pause(strp);