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author | Paul Moore <paul.moore@hp.com> | 2006-09-25 22:56:37 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2006-09-25 22:56:37 (GMT) |
commit | fd3858554b62c3af6b7664b5c58ad864c87116c9 (patch) | |
tree | 9b01a61ed88a19331565649f04373a08ca3d3aa6 /net/netlabel/netlabel_unlabeled.h | |
parent | fcd48280643e92ec6cb29a04e9079dd7b6b5bfef (diff) | |
download | linux-fsl-qoriq-fd3858554b62c3af6b7664b5c58ad864c87116c9.tar.xz |
[NetLabel]: rework the Netlink attribute handling (part 2)
At the suggestion of Thomas Graf, rewrite NetLabel's use of Netlink attributes
to better follow the common Netlink attribute usage.
Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlabel/netlabel_unlabeled.h')
-rw-r--r-- | net/netlabel/netlabel_unlabeled.h | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/net/netlabel/netlabel_unlabeled.h b/net/netlabel/netlabel_unlabeled.h index f300e54..c2917fb 100644 --- a/net/netlabel/netlabel_unlabeled.h +++ b/net/netlabel/netlabel_unlabeled.h @@ -36,56 +36,47 @@ /* * The following NetLabel payloads are supported by the Unlabeled subsystem. * - * o ACK: - * Sent by the kernel in response to an applications message, applications - * should never send this message. - * - * +----------------------+-----------------------+ - * | seq number (32 bits) | return code (32 bits) | - * +----------------------+-----------------------+ - * - * seq number: the sequence number of the original message, taken from the - * nlmsghdr structure - * return code: return value, based on errno values - * * o ACCEPT * This message is sent from an application to specify if the kernel should * allow unlabled packets to pass if they do not match any of the static * mappings defined in the unlabeled module. * - * +-----------------+ - * | allow (32 bits) | - * +-----------------+ + * Required attributes: * - * allow: if true (1) then allow the packets to pass, if false (0) then - * reject the packets + * NLBL_UNLABEL_A_ACPTFLG * * o LIST * This message can be sent either from an application or by the kernel in * response to an application generated LIST message. When sent by an * application there is no payload. The kernel should respond to a LIST - * message either with a LIST message on success or an ACK message on - * failure. + * message with a LIST message on success. * - * +-----------------------+ - * | accept flag (32 bits) | - * +-----------------------+ + * Required attributes: * - * accept flag: if true (1) then unlabeled packets are allowed to pass, - * if false (0) then unlabeled packets are rejected + * NLBL_UNLABEL_A_ACPTFLG * */ /* NetLabel Unlabeled commands */ enum { NLBL_UNLABEL_C_UNSPEC, - NLBL_UNLABEL_C_ACK, NLBL_UNLABEL_C_ACCEPT, NLBL_UNLABEL_C_LIST, __NLBL_UNLABEL_C_MAX, }; #define NLBL_UNLABEL_C_MAX (__NLBL_UNLABEL_C_MAX - 1) +/* NetLabel Unlabeled attributes */ +enum { + NLBL_UNLABEL_A_UNSPEC, + NLBL_UNLABEL_A_ACPTFLG, + /* (NLA_U8) + * if true then unlabeled packets are allowed to pass, else unlabeled + * packets are rejected */ + __NLBL_UNLABEL_A_MAX, +}; +#define NLBL_UNLABEL_A_MAX (__NLBL_UNLABEL_A_MAX - 1) + /* NetLabel protocol functions */ int netlbl_unlabel_genl_init(void); |