AuxXxilium/linux_dsm_epyc7002
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62748f32d5
linux_dsm_epyc7002/arch/parisc
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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
..
configs parisc: add defconfig for c8000 machine 2013-07-31 23:42:10 +02:00
hpux [readdir] constify ->actor 2013-06-29 12:57:05 +04:00
include net: introduce SO_MAX_PACING_RATE 2013-09-28 15:35:41 -07:00
kernel Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-09-06 09:36:28 -07:00
lib parisc: Fix gcc miscompilation in pa_memcpy() 2013-07-09 22:09:23 +02:00
math-emu parisc: avoid undefined shift in cnv_float.h 2013-01-07 23:06:22 +01:00
mm arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
oprofile oprofile: more whitespace fixes 2008-10-15 20:55:51 +02:00
defpalo.conf parisc: switch to gzip-compressed vmlinuz kernel 2013-07-09 22:09:20 +02:00
install.sh parisc: switch to gzip-compressed vmlinuz kernel 2013-07-09 22:09:20 +02:00
Kconfig Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
Kconfig.debug consolidate per-arch stack overflow debugging options 2013-07-04 11:25:39 -07:00
Makefile parisc: switch to gzip-compressed vmlinuz kernel 2013-07-09 22:09:20 +02:00
nm Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00