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authorDavide Caratti <dcaratti@redhat.com>2019-08-30 12:25:49 +0200
committerDavid S. Miller <davem@davemloft.net>2019-08-31 23:44:28 -0700
commit26811cc9f55acf835f7fdadc5ff2bbd6f06bc3ac (patch)
tree852f49de4153d6687c91600d98d559a22c5812a3 /include/net
parent61723b393292f1e4ea27f8d123384d50b176c29d (diff)
downloadlinux-26811cc9f55acf835f7fdadc5ff2bbd6f06bc3ac.tar.bz2
net: tls: export protocol version, cipher, tx_conf/rx_conf to socket diag
When an application configures kernel TLS on top of a TCP socket, it's now possible for inet_diag_handler() to collect information regarding the protocol version, the cipher type and TX / RX configuration, in case INET_DIAG_INFO is requested. Signed-off-by: Davide Caratti <dcaratti@redhat.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/tls.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/net/tls.h b/include/net/tls.h
index 4997742475cd..ec3c3ed2c6c3 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -431,6 +431,23 @@ static inline bool is_tx_ready(struct tls_sw_context_tx *ctx)
return READ_ONCE(rec->tx_ready);
}
+static inline u16 tls_user_config(struct tls_context *ctx, bool tx)
+{
+ u16 config = tx ? ctx->tx_conf : ctx->rx_conf;
+
+ switch (config) {
+ case TLS_BASE:
+ return TLS_CONF_BASE;
+ case TLS_SW:
+ return TLS_CONF_SW;
+ case TLS_HW:
+ return TLS_CONF_HW;
+ case TLS_HW_RECORD:
+ return TLS_CONF_HW_RECORD;
+ }
+ return 0;
+}
+
struct sk_buff *
tls_validate_xmit_skb(struct sock *sk, struct net_device *dev,
struct sk_buff *skb);