I doubt anybody in the world uses ng_device, but its write method should
also enter the network epoch when sending data from user level to netgraph.
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parent
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=357559
@ -46,6 +46,8 @@
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/poll.h>
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#include <sys/proc.h>
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#include <sys/epoch.h>
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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@ -454,6 +456,7 @@ ngdread(struct cdev *dev, struct uio *uio, int flag)
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static int
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ngdwrite(struct cdev *dev, struct uio *uio, int flag)
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{
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struct epoch_tracker et;
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priv_p priv = (priv_p )dev->si_drv1;
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struct mbuf *m;
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int error = 0;
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@ -469,7 +472,9 @@ ngdwrite(struct cdev *dev, struct uio *uio, int flag)
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if ((m = m_uiotombuf(uio, M_NOWAIT, 0, 0, M_PKTHDR)) == NULL)
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return (ENOBUFS);
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NET_EPOCH_ENTER(et);
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NG_SEND_DATA_ONLY(error, priv->hook, m);
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NET_EPOCH_EXIT(et);
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return (error);
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}
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