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
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a.out.h
auxvec.h
bitsperlong.h
byteorder.h
compiler.h
console.h
errno.h
fcntl.h	Safer ABI for O_TMPFILE	2013-07-13 13:26:37 +04:00
fpu.h
gentrap.h
ioctl.h
ioctls.h
ipcbuf.h
Kbuild
kvm_para.h
mman.h
msgbuf.h
pal.h
param.h	alpha: Force the user-visible HZ to a constant 1024.	2013-07-19 13:54:26 -07:00
poll.h
posix_types.h
ptrace.h
reg.h
regdef.h
resource.h
sembuf.h
setup.h
shmbuf.h
sigcontext.h
siginfo.h
signal.h	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal	2012-12-20 18:05:28 -08:00
socket.h	net: introduce SO_MAX_PACING_RATE	2013-09-28 15:35:41 -07:00
sockios.h
stat.h
statfs.h
swab.h
sysinfo.h
termbits.h
termios.h
types.h
unistd.h	alpha: Add kcmp and finit_module syscalls	2013-07-19 13:54:23 -07:00