Marko Zec 21ca7b57bd Change the curvnet variable from a global const struct vnet *, ... previously always pointing to the default vnet context, to a dynamically changing thread-local one. The currvnet context should be set on entry to networking code via CURVNET_SET() macros, and reverted to previous state via CURVNET_RESTORE(). Recursions on curvnet are permitted, though strongly discuouraged. This change should have no functional impact on nooptions VIMAGE kernel builds, where CURVNET_* macros expand to whitespace. The curthread->td_vnet (aka curvnet) variable's purpose is to be an indicator of the vnet context in which the current network-related operation takes place, in case we cannot deduce the current vnet context from any other source, such as by looking at mbuf's m->m_pkthdr.rcvif->if_vnet, sockets's so->so_vnet etc. Moreover, so far curvnet has turned out to be an invaluable consistency checking aid: it helps to catch cases when sockets, ifnets or any other vnet-aware structures may have leaked from one vnet to another. The exact placement of the CURVNET_SET() / CURVNET_RESTORE() macros was a result of an empirical iterative process, whith an aim to reduce recursions on CURVNET_SET() to a minimum, while still reducing the scope of CURVNET_SET() to networking only operations - the alternative would be calling CURVNET_SET() on each system call entry. In general, curvnet has to be set in three typicall cases: when processing socket-related requests from userspace or from within the kernel; when processing inbound traffic flowing from device drivers to upper layers of the networking stack, and when executing timer-driven networking functions. This change also introduces a DDB subcommand to show the list of all vnet instances. Approved by: julian (mentor)		2009-05-05 10:56:12 +00:00
..
common
sys
ulp	Change the curvnet variable from a global const struct vnet *,	2009-05-05 10:56:12 +00:00
bin2h.pl
cxgb_adapter.h
cxgb_config.h
cxgb_include.h
cxgb_ioctl.h
cxgb_main.c	Minor updates to the Chelsio driver, including removing an LOR.	2009-03-23 19:58:26 +00:00
cxgb_multiq.c	simplify by removing dead code	2009-04-27 22:54:30 +00:00
cxgb_offload.c	Minor updates to the Chelsio driver, including removing an LOR.	2009-03-23 19:58:26 +00:00
cxgb_offload.h
cxgb_osdep.h
cxgb_sge.c	Import "flowid" support for serializing flows across transmit queues	2009-04-10 06:16:14 +00:00
cxgb_t3fw.c
cxgb_t3fw.h
t3b_protocol_sram.h
t3b_tp_eeprom.h
t3c_protocol_sram.h
t3c_tp_eeprom.h
t3cdev.h