[PATCH v6 5/7] tcp: Export headers functions

[Laurent Vivier <lvivier@redhat.com>]

Export tcp_fill_headers[4|6]() and tcp_update_check_tcp[4|6]().

They'll be needed by vhost-user.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
---
 tcp.c          | 30 +++++++++++++++---------------
 tcp_internal.h | 15 +++++++++++++++
 2 files changed, 30 insertions(+), 15 deletions(-)

diff --git a/tcp.c b/tcp.c
index 9617b7ac2404..eae02b1647e3 100644
--- a/tcp.c
+++ b/tcp.c
@@ -761,9 +761,9 @@ static void tcp_sock_set_bufsize(const struct ctx *c, int s)
  * @iov_cnt:	Length of the array
  * @l4offset:	IPv4 payload offset in the iovec array
  */
-static void tcp_update_check_tcp4(const struct iphdr *iph,
-				  const struct iovec *iov, int iov_cnt,
-				  size_t l4offset)
+void tcp_update_check_tcp4(const struct iphdr *iph,
+			   const struct iovec *iov, int iov_cnt,
+			   size_t l4offset)
 {
 	uint16_t l4len = ntohs(iph->tot_len) - sizeof(struct iphdr);
 	struct in_addr saddr = { .s_addr = iph->saddr };
@@ -813,9 +813,9 @@ static void tcp_update_check_tcp4(const struct iphdr *iph,
  * @iov_cnt:	Length of the array
  * @l4offset:	IPv6 payload offset in the iovec array
  */
-static void tcp_update_check_tcp6(const struct ipv6hdr *ip6h,
-				  const struct iovec *iov, int iov_cnt,
-				  size_t l4offset)
+void tcp_update_check_tcp6(const struct ipv6hdr *ip6h,
+			   const struct iovec *iov, int iov_cnt,
+			   size_t l4offset)
 {
 	uint16_t l4len = ntohs(ip6h->payload_len);
 	size_t check_ofs;
@@ -982,11 +982,11 @@ static void tcp_fill_header(struct tcphdr *th,
  *
  * Return: The IPv4 payload length, host order
  */
-static size_t tcp_fill_headers4(const struct tcp_tap_conn *conn,
-				struct tap_hdr *taph,
-				struct iphdr *iph, struct tcp_payload_t *bp,
-				size_t dlen, const uint16_t *check,
-				uint32_t seq, bool no_tcp_csum)
+size_t tcp_fill_headers4(const struct tcp_tap_conn *conn,
+			 struct tap_hdr *taph,
+			 struct iphdr *iph, struct tcp_payload_t *bp,
+			 size_t dlen, const uint16_t *check,
+			 uint32_t seq, bool no_tcp_csum)
 {
 	const struct flowside *tapside = TAPFLOW(conn);
 	const struct in_addr *src4 = inany_v4(&tapside->oaddr);
@@ -1034,10 +1034,10 @@ static size_t tcp_fill_headers4(const struct tcp_tap_conn *conn,
  *
  * Return: The IPv6 payload length, host order
  */
-static size_t tcp_fill_headers6(const struct tcp_tap_conn *conn,
-				struct tap_hdr *taph,
-				struct ipv6hdr *ip6h, struct tcp_payload_t *bp,
-				size_t dlen, uint32_t seq, bool no_tcp_csum)
+size_t tcp_fill_headers6(const struct tcp_tap_conn *conn,
+			 struct tap_hdr *taph,
+			 struct ipv6hdr *ip6h, struct tcp_payload_t *bp,
+			 size_t dlen, uint32_t seq, bool no_tcp_csum)
 {
 	const struct flowside *tapside = TAPFLOW(conn);
 	size_t l4len = dlen + sizeof(bp->th);
diff --git a/tcp_internal.h b/tcp_internal.h
index 2f74ffeff8f3..8e87f98b470f 100644
--- a/tcp_internal.h
+++ b/tcp_internal.h
@@ -118,6 +118,21 @@ void tcp_rst_do(const struct ctx *c, struct tcp_tap_conn *conn);
 		tcp_rst_do(c, conn);					\
 	} while (0)
 
+void tcp_update_check_tcp4(const struct iphdr *iph,
+			   const struct iovec *iov, int iov_cnt,
+			   size_t l4offset);
+void tcp_update_check_tcp6(const struct ipv6hdr *ip6h,
+			   const struct iovec *iov, int iov_cnt,
+			   size_t l4offset);
+size_t tcp_fill_headers4(const struct tcp_tap_conn *conn,
+			 struct tap_hdr *taph,
+			 struct iphdr *iph, struct tcp_payload_t *bp,
+			 size_t dlen, const uint16_t *check,
+			 uint32_t seq, bool no_tcp_csum);
+size_t tcp_fill_headers6(const struct tcp_tap_conn *conn,
+			 struct tap_hdr *taph,
+			 struct ipv6hdr *ip6h, struct tcp_payload_t *bp,
+			 size_t dlen, uint32_t seq, bool no_tcp_csum);
 size_t tcp_l2_buf_fill_headers(const struct tcp_tap_conn *conn,
 			       struct iovec *iov, size_t dlen,
 			       const uint16_t *check, uint32_t seq,
-- 
@@ -118,6 +118,21 @@ void tcp_rst_do(const struct ctx *c, struct tcp_tap_conn *conn);
 		tcp_rst_do(c, conn);					\
 	} while (0)
 
+void tcp_update_check_tcp4(const struct iphdr *iph,
+			   const struct iovec *iov, int iov_cnt,
+			   size_t l4offset);
+void tcp_update_check_tcp6(const struct ipv6hdr *ip6h,
+			   const struct iovec *iov, int iov_cnt,
+			   size_t l4offset);
+size_t tcp_fill_headers4(const struct tcp_tap_conn *conn,
+			 struct tap_hdr *taph,
+			 struct iphdr *iph, struct tcp_payload_t *bp,
+			 size_t dlen, const uint16_t *check,
+			 uint32_t seq, bool no_tcp_csum);
+size_t tcp_fill_headers6(const struct tcp_tap_conn *conn,
+			 struct tap_hdr *taph,
+			 struct ipv6hdr *ip6h, struct tcp_payload_t *bp,
+			 size_t dlen, uint32_t seq, bool no_tcp_csum);
 size_t tcp_l2_buf_fill_headers(const struct tcp_tap_conn *conn,
 			       struct iovec *iov, size_t dlen,
 			       const uint16_t *check, uint32_t seq,
-- 
2.46.2