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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-12-17 23:12:01 +0100
committerDavid S. Miller <davem@davemloft.net>2019-12-20 02:46:51 +0100
commit8d5a49e9e31ba1ddd34a54b2351d068a90c78707 (patch)
tree325da1911a65e76e00de5bd8248ccb82fbf35169 /net/tls/tls_device.c
parentnfp: pass packet pointer to nfp_net_parse_meta() (diff)
downloadlinux-8d5a49e9e31ba1ddd34a54b2351d068a90c78707.tar.xz
linux-8d5a49e9e31ba1ddd34a54b2351d068a90c78707.zip
net/tls: add helper for testing if socket is RX offloaded
There is currently no way for driver to reliably check that the socket it has looked up is in fact RX offloaded. Add a helper. This allows drivers to catch misbehaving firmware. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tls/tls_device.c')
-rw-r--r--net/tls/tls_device.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index cd91ad812291..1ba5a92832bb 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -178,7 +178,7 @@ static void tls_icsk_clean_acked(struct sock *sk, u32 acked_seq)
* socket and no in-flight SKBs associated with this
* socket, so it is safe to free all the resources.
*/
-static void tls_device_sk_destruct(struct sock *sk)
+void tls_device_sk_destruct(struct sock *sk)
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_offload_context_tx *ctx = tls_offload_ctx_tx(tls_ctx);
@@ -196,6 +196,7 @@ static void tls_device_sk_destruct(struct sock *sk)
if (refcount_dec_and_test(&tls_ctx->refcount))
tls_device_queue_ctx_destruction(tls_ctx);
}
+EXPORT_SYMBOL_GPL(tls_device_sk_destruct);
void tls_device_free_resources_tx(struct sock *sk)
{
@@ -903,7 +904,7 @@ static void tls_device_attach(struct tls_context *ctx, struct sock *sk,
spin_unlock_irq(&tls_device_lock);
ctx->sk_destruct = sk->sk_destruct;
- sk->sk_destruct = tls_device_sk_destruct;
+ smp_store_release(&sk->sk_destruct, tls_device_sk_destruct);
}
}