flow, tcp: Move TCP connection table to unified flow table

We want to generalise "connection" tracking to things other than true TCP
connections.  Continue implenenting this by renaming the TCP connection
table to the "flow table" and moving it to flow.c.  The definitions are
split between flow.h and flow_table.h - we need this separation to avoid
circular dependencies: the definitions in flow.h will be needed by many
headers using the flow mechanism, but flow_table.h needs all those protocol
specific headers in order to define the full flow table entry.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/tcp.h b/tcp.h
index 06965d8..c8b738d 100644
--- a/tcp.h
+++ b/tcp.h
@@ -8,9 +8,6 @@
 
 #define TCP_TIMER_INTERVAL		1000	/* ms */
 
-#define TCP_CONN_INDEX_BITS		17	/* 128k - 1 */
-#define TCP_MAX_CONNS			MAX_FROM_BITS(TCP_CONN_INDEX_BITS)
-
 struct ctx;
 
 void tcp_timer_handler(struct ctx *c, union epoll_ref ref);
@@ -56,7 +53,6 @@ union tcp_listen_epoll_ref {
 /**
  * struct tcp_ctx - Execution context for TCP routines
  * @hash_secret:	128-bit secret for hash functions, ISN and hash table
- * @conn_count:		Count of total connections in connection table
  * @port_to_tap:	Ports bound host-side, packets to tap or spliced
  * @fwd_in:		Port forwarding configuration for inbound packets
  * @fwd_out:		Port forwarding configuration for outbound packets
@@ -66,7 +62,6 @@ union tcp_listen_epoll_ref {
  */
 struct tcp_ctx {
 	uint64_t hash_secret[2];
-	int conn_count;
 	struct port_fwd fwd_in;
 	struct port_fwd fwd_out;
 	struct timespec timer_run;