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tcp: Unify part of spliced and non-spliced conn_from_sock path

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In tcp_sock_handler() we split off to handle spliced sockets before
checking anything else.  However the first steps of the "new connection"
path for each case are the same: allocate a connection entry and accept()
the connection.

Remove this duplication by making tcp_conn_from_sock() handle both spliced
and non-spliced cases, with help from more specific tcp_tap_conn_from_sock
and tcp_splice_conn_from_sock functions for the later stages which differ.

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
2022-11-17 16:58:51 +11:00
committed by Stefano Brivio
parent 73d3a3e84e
commit 356c6e0677
3 changed files with 77 additions and 50 deletions
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4
tcp_splice.h
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@@ -6,8 +6,12 @@
#ifndef TCP_SPLICE_H
#define TCP_SPLICE_H
struct tcp_splice_conn;
void tcp_sock_handler_splice(struct ctx *c, union epoll_ref ref,
uint32_t events);
void tcp_splice_conn_from_sock(struct ctx *c, union epoll_ref ref,
struct tcp_splice_conn *conn, int s);
void tcp_splice_init(struct ctx *c);
#endif /* TCP_SPLICE_H */