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tcp: Allow checksum to be disabled

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We can need not to set TCP checksum. Add a parameter to
tcp_fill_headers4() and tcp_fill_headers6() to disable it.

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 2024-09-18 15:13:28 +02:00 • committed by Stefano Brivio
parent 4fe5f4e813
commit 8f8c4d27eb
3 changed files with 38 additions and 25 deletions

3
tcp_internal.h
View file

@ -91,7 +91,8 @@ void tcp_rst_do(const struct ctx *c, struct tcp_tap_conn *conn);
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);
const uint16_t *check, uint32_t seq,
bool no_tcp_csum);
int tcp_update_seqack_wnd(const struct ctx *c, struct tcp_tap_conn *conn,
bool force_seq, struct tcp_info *tinfo);
int tcp_prepare_flags(const struct ctx *c, struct tcp_tap_conn *conn, int flags,