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tcp: Export headers functions

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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>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Laurent Vivier 2024-11-22 17:43:32 +01:00 committed by Stefano Brivio
parent 5a8b33c667
commit b7c292b758
2 changed files with 30 additions and 15 deletions
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8
tcp.c
View File

@ -758,7 +758,7 @@ 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,
void tcp_update_check_tcp4(const struct iphdr *iph,
const struct iovec *iov, int iov_cnt,
size_t l4offset)
{
@ -810,7 +810,7 @@ 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,
void tcp_update_check_tcp6(const struct ipv6hdr *ip6h,
const struct iovec *iov, int iov_cnt,
size_t l4offset)
{
@ -978,7 +978,7 @@ 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,
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,
@ -1030,7 +1030,7 @@ 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,
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)

15
tcp_internal.h
View File

@ -162,6 +162,21 @@ void tcp_rst_do(const struct ctx *c, struct tcp_tap_conn *conn);
struct tcp_info_linux;
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,