linux-stable/include/uapi
Eric Dumazet 62748f32d5 net: introduce SO_MAX_PACING_RATE
As mentioned in commit afe4fd0624 ("pkt_sched: fq: Fair Queue packet
scheduler"), this patch adds a new socket option.

SO_MAX_PACING_RATE offers the application the ability to cap the
rate computed by transport layer. Value is in bytes per second.

u32 val = 1000000;
setsockopt(sockfd, SOL_SOCKET, SO_MAX_PACING_RATE, &val, sizeof(val));

To be effectively paced, a flow must use FQ packet scheduler.

Note that a packet scheduler takes into account the headers for its
computations. The effective payload rate depends on MSS and retransmits
if any.

I chose to make this pacing rate a SOL_SOCKET option instead of a
TCP one because this can be used by other protocols.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Steinar H. Gunderson <sesse@google.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-28 15:35:41 -07:00
..
asm-generic net: introduce SO_MAX_PACING_RATE 2013-09-28 15:35:41 -07:00
drm Merge branch 'drm-next-3.12' of git://people.freedesktop.org/~agd5f/linux into drm-next 2013-09-02 09:31:40 +10:00
linux net_sched: htb: support of 64bit rates 2013-09-20 14:41:03 -04:00
mtd UBI: document UBI_IOCVOLUP better in user header 2013-05-29 15:19:26 +03:00
rdma IB/core: Export ib_create/destroy_flow through uverbs 2013-08-28 09:53:14 -07:00
scsi FCoE Updates for 3.9 2013-03-01 09:10:08 +00:00
sound ALSA: hdspm - Fix SNDRV_HDSPM_IOCTL_GET_LTC 2013-08-19 20:09:09 +02:00
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