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tcp: Add HOSTSIDE(x), HOSTFLOW(x) macros

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Those are symmetric to TAPSIDE(x)/TAPFLOW(x) and I'll use them in
the next patch to extract 'oport' in order to re-bind sockets to
the original socket-side local port.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stefano Brivio 2025-01-31 19:13:00 +01:00
parent 0349cf637f
commit dcd6d8191a
1 changed files with 7 additions and 3 deletions
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10
tcp_internal.h
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@ -38,9 +38,13 @@
#define OPT_SACK 5
#define OPT_TS 8
#define TAPSIDE(conn_) ((conn_)->f.pif[1] == PIF_TAP)
#define TAPFLOW(conn_) (&((conn_)->f.side[TAPSIDE(conn_)]))
#define TAP_SIDX(conn_) (FLOW_SIDX((conn_), TAPSIDE(conn_)))
#define TAPSIDE(conn_) ((conn_)->f.pif[1] == PIF_TAP)
#define TAPFLOW(conn_) (&((conn_)->f.side[TAPSIDE(conn_)]))
#define TAP_SIDX(conn_) (FLOW_SIDX((conn_), TAPSIDE(conn_)))
#define HOSTSIDE(conn_) ((conn_)->f.pif[1] == PIF_HOST)
#define HOSTFLOW(conn_) (&((conn_)->f.side[HOSTSIDE(conn_)]))
#define HOST_SIDX(conn_) (FLOW_SIDX((conn_), TAPSIDE(conn_)))
#define CONN_V4(conn) (!!inany_v4(&TAPFLOW(conn)->oaddr))
#define CONN_V6(conn) (!CONN_V4(conn))