tls: rx: don't store the decryption status in socket context
authorJakub Kicinski <kuba@kernel.org>
Fri, 8 Apr 2022 03:38:17 +0000 (20:38 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 8 Apr 2022 10:49:08 +0000 (11:49 +0100)
Similar justification to previous change, the information
about decryption status belongs in the skb.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/strparser.h
include/net/tls.h
net/tls/tls_device.c
net/tls/tls_sw.c

index c271543..a191486 100644 (file)
@@ -72,6 +72,7 @@ struct sk_skb_cb {
        u64 temp_reg;
        struct tls_msg {
                u8 control;
+               u8 decrypted;
        } tls;
 };
 
index c3717cd..f040edc 100644 (file)
@@ -148,7 +148,6 @@ struct tls_sw_context_rx {
 
        struct sk_buff *recv_pkt;
        u8 async_capable:1;
-       u8 decrypted:1;
        atomic_t decrypt_pending;
        /* protect crypto_wait with decrypt_pending*/
        spinlock_t decrypt_compl_lock;
index 12f7b56..78d979e 100644 (file)
@@ -948,6 +948,7 @@ 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;
@@ -962,7 +963,7 @@ int tls_device_decrypted(struct sock *sk, struct tls_context *tls_ctx,
                                   tls_ctx->rx.rec_seq, rxm->full_len,
                                   is_encrypted, is_decrypted);
 
-       ctx->sw.decrypted |= is_decrypted;
+       tlm->decrypted |= is_decrypted;
 
        if (unlikely(test_bit(TLS_RX_DEV_DEGRADED, &tls_ctx->flags))) {
                if (likely(is_encrypted || is_decrypted))
index 1494e7e..26f3346 100644 (file)
@@ -1565,9 +1565,10 @@ static int decrypt_skb_update(struct sock *sk, struct sk_buff *skb,
        struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
        struct tls_prot_info *prot = &tls_ctx->prot_info;
        struct strp_msg *rxm = strp_msg(skb);
+       struct tls_msg *tlm = tls_msg(skb);
        int pad, err = 0;
 
-       if (!ctx->decrypted) {
+       if (!tlm->decrypted) {
                if (tls_ctx->rx_conf == TLS_HW) {
                        err = tls_device_decrypted(sk, tls_ctx, skb, rxm);
                        if (err < 0)
@@ -1575,7 +1576,7 @@ static int decrypt_skb_update(struct sock *sk, struct sk_buff *skb,
                }
 
                /* Still not decrypted after tls_device */
-               if (!ctx->decrypted) {
+               if (!tlm->decrypted) {
                        err = decrypt_internal(sk, skb, dest, NULL, chunk, zc,
                                               async);
                        if (err < 0) {
@@ -1599,7 +1600,7 @@ 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 = 1;
+               tlm->decrypted = 1;
                ctx->saved_data_ready(sk);
        } else {
                *zc = false;
@@ -2144,8 +2145,9 @@ 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);
+       struct tls_msg *tlm = tls_msg(skb);
 
-       ctx->decrypted = 0;
+       tlm->decrypted = 0;
 
        ctx->recv_pkt = skb;
        strp_pause(strp);