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tcp, tcp_splice: Remove redundant handling from tcp_timer()

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tcp_timer() scans the connection table, expiring "tap" connections and
calling tcp_splice_timer() for "splice" connections.  tcp_splice_timer()
expires spliced connections and then does some other processing.

However, tcp_timer() is always called shortly after tcp_defer_handler()
(from post_handler()), which also scans the flow table expiring both tap
and spliced connections.  So remove the redundant handling, and only do
the extra tcp_splice_timer() work from tcp_timer().

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2024-01-16 11:50:33 +11:00 • committed by Stefano Brivio
parent 8563e7c870
commit eebca1115f
3 changed files with 5 additions and 19 deletions

2
tcp_conn.h
View file

@ -159,7 +159,7 @@ void tcp_tap_conn_update(const struct ctx *c, struct tcp_tap_conn *old,
struct tcp_tap_conn *new);
void tcp_splice_conn_update(const struct ctx *c, struct tcp_splice_conn *new);
void tcp_splice_destroy(struct ctx *c, union flow *flow);
void tcp_splice_timer(struct ctx *c, union flow *flow);
void tcp_splice_timer(const struct ctx *c, union flow *flow);
int tcp_conn_pool_sock(int pool[]);
int tcp_conn_new_sock(const struct ctx *c, sa_family_t af);
void tcp_sock_refill_pool(const struct ctx *c, int pool[], int af);