From 7d1ba2b499fcd904bdea7a965688ab7ffd3e390e Mon Sep 17 00:00:00 2001 From: Jesper Dangaard Brouer Date: Thu, 12 Dec 2013 13:41:51 +0100 Subject: trafgen: take advantage of PACKET_QDISC_BYPASS sock option Since Linux 3.14, the kernel supports a socket option PACKET_QDISC_BYPASS, which trafgen enables by default. That allow us to bypass the kernels normal qdisc (traffic control) layer. An option -q, --qdisc-path is added to allow enabling the qdisc path explicity, useful for testing purposes. This will be avail in kernels >= 3.14 via commit d346a3fae3 (packet: introduce PACKET_QDISC_BYPASS socket option). Signed-off-by: Jesper Dangaard Brouer --- sock.h | 1 + 1 file changed, 1 insertion(+) (limited to 'sock.h') diff --git a/sock.h b/sock.h index 75be501..0e680ef 100644 --- a/sock.h +++ b/sock.h @@ -7,6 +7,7 @@ extern int pf_tx_socket(void); extern void set_nonblocking(int fd); extern int set_nonblocking_sloppy(int fd); extern int set_reuseaddr(int fd); +extern void set_sock_qdisc_bypass(int fd, int verbose); extern void set_sock_prio(int fd, int prio); extern void set_tcp_nodelay(int fd); extern void set_socket_keepalive(int fd); -- cgit v1.2.3-54-g00ecf aster net-next plumbingsTobias Klauser
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