diff options
author | Jeffrey Hsu <hsu@FreeBSD.org> | 2002-12-22 05:35:03 +0000 |
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committer | Jeffrey Hsu <hsu@FreeBSD.org> | 2002-12-22 05:35:03 +0000 |
commit | b30a244c34af22d80a4fcba8aa7b423947f8ef42 (patch) | |
tree | d0f9ee7e6f9d8014e6f8f94ab6965e85c268792e /sys/netgraph | |
parent | 9991ea71785cc4e8661e8fee0aa7475726c7ad87 (diff) | |
download | src-b30a244c34af22d80a4fcba8aa7b423947f8ef42.tar.gz src-b30a244c34af22d80a4fcba8aa7b423947f8ef42.zip |
SMP locking for ifnet list.
Notes
Notes:
svn path=/head/; revision=108172
Diffstat (limited to 'sys/netgraph')
-rw-r--r-- | sys/netgraph/ng_ether.c | 2 | ||||
-rw-r--r-- | sys/netgraph/ng_gif.c | 2 | ||||
-rw-r--r-- | sys/netgraph/ng_source.c | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/sys/netgraph/ng_ether.c b/sys/netgraph/ng_ether.c index da2012f08439..041999c6092a 100644 --- a/sys/netgraph/ng_ether.c +++ b/sys/netgraph/ng_ether.c @@ -728,11 +728,13 @@ ng_ether_mod_event(module_t mod, int event, void *data) ng_ether_input_orphan_p = ng_ether_input_orphan; /* Create nodes for any already-existing Ethernet interfaces */ + IFNET_RLOCK(); TAILQ_FOREACH(ifp, &ifnet, if_link) { if (ifp->if_type == IFT_ETHER || ifp->if_type == IFT_L2VLAN) ng_ether_attach(ifp); } + IFNET_RUNLOCK(); break; case MOD_UNLOAD: diff --git a/sys/netgraph/ng_gif.c b/sys/netgraph/ng_gif.c index c2c87eb75dd6..2d999590f412 100644 --- a/sys/netgraph/ng_gif.c +++ b/sys/netgraph/ng_gif.c @@ -564,10 +564,12 @@ ng_gif_mod_event(module_t mod, int event, void *data) ng_gif_input_orphan_p = ng_gif_input_orphan; /* Create nodes for any already-existing gif interfaces */ + IFNET_RLOCK(); TAILQ_FOREACH(ifp, &ifnet, if_link) { if (ifp->if_type == IFT_GIF) ng_gif_attach(ifp); } + IFNET_RUNLOCK(); break; case MOD_UNLOAD: diff --git a/sys/netgraph/ng_source.c b/sys/netgraph/ng_source.c index b2e976c10f6f..78525e89672d 100644 --- a/sys/netgraph/ng_source.c +++ b/sys/netgraph/ng_source.c @@ -481,10 +481,12 @@ ng_source_store_output_ifp(sc_p sc, struct ng_mesg *msg) * way of verifying if_index is valid since if_indexlim is * local to if_attach() */ + IFNET_RLOCK(); TAILQ_FOREACH(ifp, &ifnet, if_link) { if (ifp->if_index == if_index) break; } + IFNET_RUNLOCK(); if (ifp == NULL) { printf("%s: can't find interface %d\n", __FUNCTION__, if_index); |