diff options
author | Justin Waters <justin.waters@timesys.com> | 2008-02-26 13:07:02 -0500 |
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committer | Justin Waters <justin.waters@timesys.com> | 2008-02-26 13:07:02 -0500 |
commit | b80a32b9cc634adfa8eaef33ec981e7febf2ade2 (patch) | |
tree | f256bce13ba11f514a388160df84e1410bedbe2b /net/netlabel/netlabel_mgmt.c | |
parent | 594133ef22fae0d737bd1b57352cf3f48a192c63 (diff) |
Update the i.MX31 Kernel to 2.6.232.6.23-mx31ads-2008022618072.6.23-mx31-200802261807
This is the result of a brute-force attempt to update the kernel to 2.6.23.
Now that we have a git tree, our effort will be a little nicer in the future.
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Diffstat (limited to 'net/netlabel/netlabel_mgmt.c')
-rw-r--r-- | net/netlabel/netlabel_mgmt.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c index e00fc219c72b..5315dacc5222 100644 --- a/net/netlabel/netlabel_mgmt.c +++ b/net/netlabel/netlabel_mgmt.c @@ -42,6 +42,10 @@ #include "netlabel_user.h" #include "netlabel_mgmt.h" +/* NetLabel configured protocol count */ +static DEFINE_SPINLOCK(netlabel_mgmt_protocount_lock); +static u32 netlabel_mgmt_protocount = 0; + /* Argument struct for netlbl_domhsh_walk() */ struct netlbl_domhsh_walk_arg { struct netlink_callback *nl_cb; @@ -67,6 +71,67 @@ static const struct nla_policy netlbl_mgmt_genl_policy[NLBL_MGMT_A_MAX + 1] = { }; /* + * NetLabel Misc Managment Functions + */ + +/** + * netlbl_mgmt_protocount_inc - Increment the configured labeled protocol count + * + * Description: + * Increment the number of labeled protocol configurations in the current + * NetLabel configuration. Keep track of this for use in determining if + * NetLabel label enforcement should be active/enabled or not in the LSM. + * + */ +void netlbl_mgmt_protocount_inc(void) +{ + rcu_read_lock(); + spin_lock(&netlabel_mgmt_protocount_lock); + netlabel_mgmt_protocount++; + spin_unlock(&netlabel_mgmt_protocount_lock); + rcu_read_unlock(); +} + +/** + * netlbl_mgmt_protocount_dec - Decrement the configured labeled protocol count + * + * Description: + * Decrement the number of labeled protocol configurations in the current + * NetLabel configuration. Keep track of this for use in determining if + * NetLabel label enforcement should be active/enabled or not in the LSM. + * + */ +void netlbl_mgmt_protocount_dec(void) +{ + rcu_read_lock(); + spin_lock(&netlabel_mgmt_protocount_lock); + if (netlabel_mgmt_protocount > 0) + netlabel_mgmt_protocount--; + spin_unlock(&netlabel_mgmt_protocount_lock); + rcu_read_unlock(); +} + +/** + * netlbl_mgmt_protocount_value - Return the number of configured protocols + * + * Description: + * Return the number of labeled protocols in the current NetLabel + * configuration. This value is useful in determining if NetLabel label + * enforcement should be active/enabled or not in the LSM. + * + */ +u32 netlbl_mgmt_protocount_value(void) +{ + u32 val; + + rcu_read_lock(); + val = netlabel_mgmt_protocount; + rcu_read_unlock(); + + return val; +} + +/* * NetLabel Command Handlers */ |