John Baldwin 7b02c1e8c6 iscsi: Fetch limits based on a socket rather than assuming global limits. ... cxgbei needs the ability to return different limits based on the connection (e.g. if the connection is over a T5 adapter or a T6 adapter as well as factoring in the MTU). This change plumbs through the changes in the ioctls without changing any of the backends. The limits callback passed to icl_register now accepts a second socket argument which holds the integer file descriptor. To support ABI compatiblity for old binaries, the callback should return "global" values if the socket fd is zero. The CTL_ISCSI_LIMITS argument used with CTL_ISCSI by ctld(8) now accepts the socket fd in a field that was previously part of a reserved spare field. Old binaries zero this request which results in passing a socket fd of 0 to the limits callback. The ISCSIDREQUEST ioctl no longer returns limits. Instead, iscsid(8) invokes a new ISCSIDLIMITS ioctl after establishing the connection via connect(2). For ABI compat, if the old ISCSIDREQUEST is invoked, the global limits are still fetched (with a socket fd of 0) and returned. Reviewed by: mav Sponsored by: Chelsio Communications Differential Revision: https://reviews.freebsd.org/D34928		2022-04-18 12:53:28 -07:00
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ctl.conf.5
ctld.8
ctld.c
ctld.h	iscsi: Fetch limits based on a socket rather than assuming global limits.	2022-04-18 12:53:28 -07:00
discovery.c
isns.c
isns.h
kernel.c	iscsi: Fetch limits based on a socket rather than assuming global limits.	2022-04-18 12:53:28 -07:00
login.c	iscsi: Fetch limits based on a socket rather than assuming global limits.	2022-04-18 12:53:28 -07:00
Makefile
Makefile.depend
parse.y
token.l
uclparse.c