Björn Töpel 0402acd683 xsk: remove AF_XDP socket from map when the socket is released ... When an AF_XDP socket is released/closed the XSKMAP still holds a reference to the socket in a "released" state. The socket will still use the netdev queue resource, and block newly created sockets from attaching to that queue, but no user application can access the fill/complete/rx/tx queues. This results in that all applications need to explicitly clear the map entry from the old "zombie state" socket. This should be done automatically. In this patch, the sockets tracks, and have a reference to, which maps it resides in. When the socket is released, it will remove itself from all maps. Suggested-by: Bruce Richardson <bruce.richardson@intel.com> Signed-off-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>		2019-08-17 23:24:45 +02:00
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Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
xdp_umem.c	xsk: add support for need_wakeup flag in AF_XDP rings	2019-08-17 23:07:32 +02:00
xdp_umem.h	xdp: fix hang while unregistering device bound to xdp socket	2019-07-03 15:10:55 +02:00
xsk_diag.c	xsk: fix potential crash in xsk_diag_put_umem()	2019-03-07 10:36:37 +01:00
xsk_queue.c	net: xsk: add a simple buffer reuse queue	2018-09-25 13:13:15 -07:00
xsk_queue.h	xsk: add support for need_wakeup flag in AF_XDP rings	2019-08-17 23:07:32 +02:00
xsk.c	xsk: remove AF_XDP socket from map when the socket is released	2019-08-17 23:24:45 +02:00
xsk.h	xsk: add support for need_wakeup flag in AF_XDP rings	2019-08-17 23:07:32 +02:00