linux/net/socket.c, branch v3.11

net: rename CONFIG_NET_LL_RX_POLL to CONFIG_NET_RX_BUSY_POLL

2013-08-01T22:11:17Z

Eliezer renames several *ll_poll to *busy_poll, but forgets CONFIG_NET_LL_RX_POLL, so in case of confusion, rename it too. Cc: Eliezer Tamir Cc: David S. Miller Signed-off-by: Cong Wang Signed-off-by: David S. Miller

net: rename busy poll socket op and globals

2013-07-11T00:08:27Z

Rename LL_SO to BUSY_POLL_SO Rename sysctl_net_ll_{read,poll} to sysctl_busy_{read,poll} Fix up users of these variables. Fix documentation for sysctl. a patch for the socket.7 man page will follow separately, because of limitations of my mail setup. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller

net: rename include/net/ll_poll.h to include/net/busy_poll.h

2013-07-11T00:08:27Z

Rename the file and correct all the places where it is included. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller

net: rename low latency sockets functions to busy poll

2013-07-09T02:25:45Z

Rename functions in include/net/ll_poll.h to busy wait. Clarify documentation about expected power use increase. Rename POLL_LL to POLL_BUSY_LOOP. Add need_resched() testing to poll/select busy loops. Note, that in select and poll can_busy_poll is dynamic and is updated continuously to reflect the existence of supported sockets with valid queue information. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller

net: poll/select low latency socket support

2013-06-25T23:35:52Z

select/poll busy-poll support. Split sysctl value into two separate ones, one for read and one for poll. updated Documentation/sysctl/net.txt Add a new poll flag POLL_LL. When this flag is set, sock_poll will call sk_poll_ll if possible. sock_poll sets this flag in its return value to indicate to select/poll when a socket that can busy poll is found. When poll/select have nothing to report, call the low-level sock_poll again until we are out of time or we find something. Once the system call finds something, it stops setting POLL_LL, so it can return the result to the user ASAP. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller

net: add socket option for low latency polling

2013-06-17T22:48:14Z

adds a socket option for low latency polling. This allows overriding the global sysctl value with a per-socket one. Unexport sysctl_net_ll_poll since for now it's not needed in modules. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller

net: change sysctl_net_ll_poll into an unsigned int

2013-06-17T22:48:13Z

There is no reason for sysctl_net_ll_poll to be an unsigned long. Change it into an unsigned int. Fix the proc handler. Signed-off-by: Eliezer Tamir Signed-off-by: David S. Miller

net: add low latency socket poll

2013-06-11T04:22:35Z

Adds an ndo_ll_poll method and the code that supports it. This method can be used by low latency applications to busy-poll Ethernet device queues directly from the socket code. sysctl_net_ll_poll controls how many microseconds to poll. Default is zero (disabled). Individual protocol support will be added by subsequent patches. Signed-off-by: Alexander Duyck Signed-off-by: Jesse Brandeburg Signed-off-by: Eliezer Tamir Acked-by: Eric Dumazet Tested-by: Willem de Bruijn Signed-off-by: David S. Miller

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2013-06-07T06:39:26Z

Merge 'net' into 'net-next' to get the MSG_CMSG_COMPAT regression fix. Signed-off-by: David S. Miller

net: Unbreak compat_sys_{send,recv}msg

2013-06-06T18:52:14Z

I broke them in this commit: commit 1be374a0518a288147c6a7398792583200a67261 Author: Andy Lutomirski Date: Wed May 22 14:07:44 2013 -0700 net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg This patch adds __sys_sendmsg and __sys_sendmsg as common helpers that accept MSG_CMSG_COMPAT and blocks MSG_CMSG_COMPAT at the syscall entrypoints. It also reverts some unnecessary checks in sys_socketcall. Apparently I was suffering from underscore blindness the first time around. Signed-off-by: Andy Lutomirski Tested-by: Eric Dumazet Signed-off-by: David S. Miller