1 files changed, 4 insertions, 0 deletions
diff --git a/tcp.h b/tcp.h
index da081ad..2a79a75 100644
--- a/tcp.h
+++ b/tcp.h
@@ -12,9 +12,13 @@ void tcp_timer(struct ctx *c, struct timespec *ts);
 /**
  * struct tcp_ctx - Execution context for TCP routines
  * @hash_secret:	128-bit secret for hash functions, ISN and hash table
+ * @fd_min:		Lowest file descriptor number for TCP ever used
+ * @fd_max:		Highest file descriptor number for TCP ever used
  */
 struct tcp_ctx {
 	uint64_t hash_secret[2];
+	int fd_min;
+	int fd_max;
 };
 
 #endif /* TCP_H */