tcp md5sig: Let the caller pass appropriate key for tcp_v{4,6}_do_calc_md5_hash().

[mv-sheeva.git] / include / net / tcp.h

diff --git a/include/net/tcp.h b/include/net/tcp.h
index eac26b73bcc3f717c02d93d9ed1e2b6ce7e8fb1c..07005ebb47a731c74656c826ac640412b8d870ba 100644 (file)
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1142,6 +1142,16 @@ extern int                       tcp_v4_md5_do_add(struct sock *sk,
 extern int                     tcp_v4_md5_do_del(struct sock *sk,
                                                  __be32 addr);
 
+#ifdef CONFIG_TCP_MD5SIG
+#define tcp_twsk_md5_key(twsk) ((twsk)->tw_md5_keylen ?                 \
+                                &(struct tcp_md5sig_key) {              \
+                                       .key = (twsk)->tw_md5_key,       \
+                                       .keylen = (twsk)->tw_md5_keylen, \
+                               } : NULL)
+#else
+#define tcp_twsk_md5_key(twsk) NULL
+#endif
+
 extern struct tcp_md5sig_pool  **tcp_alloc_md5sig_pool(void);
 extern void                    tcp_free_md5sig_pool(void);