Introduce and use the NET_EPOCH_DRAIN_CALLBACKS() macro
Reviewed by: melifao, kp Differential Revision: https://reviews.freebsd.org/D35968
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@ -1143,7 +1143,7 @@ if_detach_internal(struct ifnet *ifp, bool vmove)
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* which lead to leave group calls, which in turn access the
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* belonging ifnet structure:
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*/
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epoch_drain_callbacks(net_epoch_preempt);
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NET_EPOCH_DRAIN_CALLBACKS();
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/*
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* In any case (destroy or vmove) detach us from the groups
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@ -4206,7 +4206,7 @@ if_deregister_com_alloc(u_char type)
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* fixes issues about late invocation of if_destroy(), which leads
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* to memory leak from if_com_alloc[type] allocated if_l2com.
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*/
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epoch_drain_callbacks(net_epoch_preempt);
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NET_EPOCH_DRAIN_CALLBACKS();
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if_com_alloc[type] = NULL;
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if_com_free[type] = NULL;
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@ -600,7 +600,7 @@ vnet_bridge_uninit(const void *unused __unused)
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BRIDGE_LIST_LOCK_DESTROY();
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/* Callbacks may use the UMA zone. */
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epoch_drain_callbacks(net_epoch_preempt);
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NET_EPOCH_DRAIN_CALLBACKS();
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uma_zdestroy(V_bridge_rtnode_zone);
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}
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@ -1509,7 +1509,7 @@ set_fib_algo(uint32_t fibnum, int family, struct sysctl_oid *oidp, struct sysctl
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fib_cleanup_algo(rh, true, false);
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/* Drain cb so user can unload the module after userret if so desired */
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epoch_drain_callbacks(net_epoch_preempt);
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NET_EPOCH_DRAIN_CALLBACKS();
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return (0);
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}
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@ -299,7 +299,7 @@ rtables_destroy(const void *unused __unused)
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* nexthops deletions will be scheduled for the next epoch run
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* and will be completed after vnet teardown.
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*/
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epoch_drain_callbacks(net_epoch_preempt);
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NET_EPOCH_DRAIN_CALLBACKS();
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free(V_rt_tables, M_RTABLE);
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vnet_rtzone_destroy();
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@ -5186,7 +5186,7 @@ pfioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct thread *td
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break;
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}
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/* Ensure there's no more ethernet rules to clean up. */
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epoch_drain_callbacks(net_epoch_preempt);
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NET_EPOCH_DRAIN_CALLBACKS();
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PF_RULES_WLOCK();
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for (i = 0, ioe = ioes; i < io->size; i++, ioe++) {
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ioe->anchor[sizeof(ioe->anchor) - 1] = '\0';
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@ -109,6 +109,7 @@ extern epoch_t net_epoch_preempt;
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#define NET_EPOCH_EXIT(et) epoch_exit_preempt(net_epoch_preempt, &(et))
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#define NET_EPOCH_WAIT() epoch_wait_preempt(net_epoch_preempt)
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#define NET_EPOCH_CALL(f, c) epoch_call(net_epoch_preempt, (f), (c))
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#define NET_EPOCH_DRAIN_CALLBACKS() epoch_drain_callbacks(net_epoch_preempt)
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#define NET_EPOCH_ASSERT() MPASS(in_epoch(net_epoch_preempt))
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#define NET_TASK_INIT(t, p, f, c) TASK_INIT_FLAGS(t, p, f, c, TASK_NETWORK)
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#define NET_GROUPTASK_INIT(gtask, prio, func, ctx) \
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