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| /freebsd-9.3-release/sys/netpfil/ipfw/ | ||
| H A D | ip_fw_private.h | diff 255395 Sun Sep 08 16:02:25 MDT 2013 trociny MFC r254776: Make ipfw nat init/unint work correctly for VIMAGE: * Do per vnet instance cleanup (previously it was only for vnet0 on module unload, and led to libalias leaks and possible panics due to stale pointer dereferences). * Instead of protecting ipfw hooks registering/deregistering by only vnet0 lock (which does not prevent pointers access from another vnets), introduce per vnet ipfw_nat_loaded variable. The variable is set after hooks are registered and unset before they are deregistered. * Devirtualize ifaddr_event_tag as we run only one event handler for all vnets. * It is supposed that ifaddr_change event handler is called in the interface vnet context, so add an assertion. Reviewed by: zec |
| H A D | ip_fw_nat.c | diff 255395 Sun Sep 08 16:02:25 MDT 2013 trociny MFC r254776: Make ipfw nat init/unint work correctly for VIMAGE: * Do per vnet instance cleanup (previously it was only for vnet0 on module unload, and led to libalias leaks and possible panics due to stale pointer dereferences). * Instead of protecting ipfw hooks registering/deregistering by only vnet0 lock (which does not prevent pointers access from another vnets), introduce per vnet ipfw_nat_loaded variable. The variable is set after hooks are registered and unset before they are deregistered. * Devirtualize ifaddr_event_tag as we run only one event handler for all vnets. * It is supposed that ifaddr_change event handler is called in the interface vnet context, so add an assertion. Reviewed by: zec |
| H A D | ip_fw2.c | diff 255395 Sun Sep 08 16:02:25 MDT 2013 trociny MFC r254776: Make ipfw nat init/unint work correctly for VIMAGE: * Do per vnet instance cleanup (previously it was only for vnet0 on module unload, and led to libalias leaks and possible panics due to stale pointer dereferences). * Instead of protecting ipfw hooks registering/deregistering by only vnet0 lock (which does not prevent pointers access from another vnets), introduce per vnet ipfw_nat_loaded variable. The variable is set after hooks are registered and unset before they are deregistered. * Devirtualize ifaddr_event_tag as we run only one event handler for all vnets. * It is supposed that ifaddr_change event handler is called in the interface vnet context, so add an assertion. Reviewed by: zec |
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