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Johannes Berg 11a843b7e1 [MAC80211]: rework key handling 
This moves all the key handling code out from ieee80211_ioctl.c
into key.c and also does the following changes including documentation
updates in mac80211.h:

 1) Turn off hardware acceleration for keys when the interface
    is down. This is necessary because otherwise monitor
    interfaces could be decrypting frames for other interfaces
    that are down at the moment. Also, it should go some way
    towards better suspend/resume support, in any case the
    routines used here could be used for that as well.
    Additionally, this makes the driver interface nicer, keys
    for a specific local MAC address are only ever present
    while an interface with that MAC address is enabled.

 2) Change driver set_key() callback interface to allow only
    return values of -ENOSPC, -EOPNOTSUPP and 0, warn on all
    other return values. This allows debugging the stack when
    a driver notices it's handed a key while it is down.

 3) Invert the flag meaning to KEY_FLAG_UPLOADED_TO_HARDWARE.

 4) Remove REMOVE_ALL_KEYS command as it isn't used nor do we
    want to use it, we'll use DISABLE_KEY for each key. It is
    hard to use REMOVE_ALL_KEYS because we can handle multiple
    virtual interfaces with different key configuration, so we'd
    have to keep track of a lot of state for this and that isn't
    worth it.

 5) Warn when disabling a key fails, it musn't.

 6) Remove IEEE80211_HW_NO_TKIP_WMM_HWACCEL in favour of per-key
    IEEE80211_KEY_FLAG_WMM_STA to let driver sort it out itself.

 7) Tell driver that a (non-WEP) key is used only for transmission
    by using an all-zeroes station MAC address when configuring.

 8) Change the set_key() callback to have access to the local MAC
    address the key is being added for.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:48:53 -07:00
..
9p 9p: Reorganization of 9p file system code 2007-07-14 15:13:40 -05:00
bluetooth [BLUETOOTH] l2cap: endianness annotations 2007-07-31 02:28:07 -07:00
irda [IrDA]: Netlink layer. 2007-07-10 22:16:43 -07:00
iucv [AF_IUCV]: Add lock when updating accept_q 2007-07-14 19:04:25 -07:00
netfilter [NETFILTER]: nf_nat: add symbolic dependency on IPv4 conntrack 2007-08-07 18:12:01 -07:00
sctp [SCTP]: Rewrite of sctp buffer management code 2007-10-10 16:48:09 -07:00
tc_act [PKT_SCHED]: Kill pkt_act.h inlining. 2006-09-22 14:55:10 -07:00
tipc [TIPC]: Optimize stream send routine to avoid fragmentation 2007-07-10 22:06:12 -07:00
act_api.h [NET_SCHED]: Kill CONFIG_NET_CLS_POLICE 2007-07-15 00:03:05 -07:00
addrconf.h [IPV6] MIP6: Loadable module support for MIPv6. 2007-07-10 22:15:42 -07:00
af_rxrpc.h [AF_RXRPC]: Add an interface to the AF_RXRPC module for the AFS filesystem to use 2007-04-26 15:50:17 -07:00
af_unix.h [AF_UNIX]: Make code static. 2007-07-31 02:28:27 -07:00
ah.h [IPSEC]: Use HMAC template and hash interface 2006-09-21 11:46:18 +10:00
arp.h [IPV6]: Assorted trivial endianness annotations. 2006-12-02 21:22:50 -08:00
atmclip.h [ATM]: Annotations. 2006-12-02 21:22:55 -08:00
ax25.h [SK_BUFF]: Introduce skb_reset_mac_header(skb) 2007-04-25 22:24:32 -07:00
ax88796.h AX88796 network driver 2007-07-10 12:41:08 -04:00
cfg80211.h [PATCH] cfg80211: Radiotap parser 2007-07-12 16:07:24 -04:00
checksum.h [NET]: Make mangling a checksum (0 -> 0xffff on the wire) explicit. 2006-12-02 21:23:39 -08:00
cipso_ipv4.h [NetLabel]: consolidate the struct socket/sock handling to just struct sock 2007-06-08 13:33:09 -07:00
compat.h [NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolution 2007-04-25 22:24:04 -07:00
datalink.h
dn_dev.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dn_fib.h [DECNet]: Use rtnl registration interface 2007-04-25 22:27:12 -07:00
dn_neigh.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dn_nsp.h [DECnet]: Endian annotation and fixes for DECnet. 2006-03-20 22:42:39 -08:00
dn_route.h [DECNet]: Use rtnl registration interface 2007-04-25 22:27:12 -07:00
dn.h [DECNET]: Another unnecessary net/tcp.h inclusion in net/dn.h 2007-07-10 23:02:12 -07:00
dsfield.h [NET]: IP header modifier helpers annotations. 2006-12-02 21:23:40 -08:00
dst.h [IPV4]: The scheduled removal of multipath cached routing support. 2007-07-10 22:05:57 -07:00
esp.h [NET]: Move generic skbuff stuff from XFRM code to generic code 2007-04-25 22:28:33 -07:00
fib_rules.h [NETLINK]: Mark netlink policies const 2007-06-07 13:40:10 -07:00
flow.h [IPV6] MIP6: Kill unnecessary ifdefs. 2007-07-10 22:15:41 -07:00
gen_stats.h
genetlink.h [GENETLINK]: Dynamic multicast groups. 2007-07-18 15:47:52 -07:00
icmp.h [IPV4]: icmp_send() annotation 2006-09-28 18:01:06 -07:00
ieee80211_crypt.h [PATCH] Update my email address from jkmaline@cc.hut.fi to j@w1.fi 2007-04-28 11:01:01 -04:00
ieee80211_radiotap.h [MAC80211]: Add get_unaligned to ieee80211_get_radiotap_len 2007-10-10 16:47:40 -07:00
ieee80211.h [PATCH] ieee80211: add ieee80211_channel_to_freq 2007-05-08 11:51:59 -04:00
ieee80211softmac_wx.h [PATCH] softmac: add SIOCSIWMLME 2006-04-24 16:15:58 -04:00
ieee80211softmac.h WorkStruct: make allyesconfig 2006-11-22 14:57:56 +00:00
if_inet6.h [IPV6]: Per-interface statistics support. 2006-12-02 21:22:08 -08:00
inet6_connection_sock.h [TCP]: Restore SKB socket owner setting in tcp_transmit_skb(). 2007-01-26 01:04:55 -08:00
inet6_hashtables.h [INET]: Use jhash + random secret for ehash. 2007-04-25 22:28:06 -07:00
inet_common.h [NET]: move struct proto_ops to const 2006-01-03 13:11:15 -08:00
inet_connection_sock.h [TCP]: Restore SKB socket owner setting in tcp_transmit_skb(). 2007-01-26 01:04:55 -08:00
inet_ecn.h [SK_BUFF]: Convert skb->tail to sk_buff_data_t 2007-04-25 22:26:28 -07:00
inet_hashtables.h [NET]: change layout of ehash table 2007-02-08 14:16:46 -08:00
inet_sock.h [INET]: Use jhash + random secret for ehash. 2007-04-25 22:28:06 -07:00
inet_timewait_sock.h [INET_SOCK]: make net/ipv4/inet_timewait_sock.c:__inet_twsk_kill() static 2007-07-14 19:00:59 -07:00
inetpeer.h [IPV4] inet_peer: Group together avl_left, avl_right, v4daddr to speedup lookups on some CPUS 2006-10-20 00:28:35 -07:00
ip6_checksum.h [IPV6]: Dumb typo in generic csum_ipv6_magic() 2006-12-22 11:12:07 -08:00
ip6_fib.h [IPV6] XFRM: Fix connected socket to use transformation. 2007-10-10 16:48:32 -07:00
ip6_route.h [IPv6]: Use rtnl registration interface 2007-04-25 22:27:13 -07:00
ip6_tunnel.h
ip_fib.h [IPV4]: The scheduled removal of multipath cached routing support. 2007-07-10 22:05:57 -07:00
ip_vs.h [NET]: ipvs checksum annotations. 2006-12-02 21:23:41 -08:00
ip.h [TCP]: Honour sk_bound_dev_if in tcp_v4_send_ack 2007-06-07 13:38:51 -07:00
ipcomp.h [CRYPTO] users: Use crypto_comp and crypto_has_* 2006-09-21 11:46:22 +10:00
ipconfig.h [NET]: ipconfig and nfsroot annotations 2006-12-02 21:21:09 -08:00
ipip.h [IPV6] net/ipv6/sit.c: make 2 functions static 2006-12-02 21:26:15 -08:00
ipv6.h [IPV6]: Add v4mapped address inline 2007-10-10 16:48:32 -07:00
ipx.h [SK_BUFF]: Introduce skb_transport_header(skb) 2007-04-25 22:25:31 -07:00
iw_handler.h [WEXT]: Clean up how wext is called. 2007-04-26 20:43:56 -07:00
lapb.h
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
llc_if.h [LLC]: add multicast support for datagrams 2006-06-17 21:26:08 -07:00
llc_pdu.h [SK_BUFF]: Introduce skb_network_header() 2007-04-25 22:24:59 -07:00
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h [LLC]: Fix the accept path 2005-09-22 07:57:21 -03:00
llc.h [LLC]: llc_mac_hdr_init const arguments 2006-03-20 22:59:36 -08:00
mac80211.h [MAC80211]: rework key handling 2007-10-10 16:48:53 -07:00
mip6.h [IPV6] MIP6: Loadable module support for MIPv6. 2007-07-10 22:15:42 -07:00
ndisc.h [IPV6]: Misc endianness annotations. 2006-12-02 21:22:52 -08:00
neighbour.h [NEIGH]: Use rtnl registration interface 2007-04-25 22:27:06 -07:00
netdma.h Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
netevent.h [NET]: Network Event Notifier Mechanism. 2006-08-02 13:38:20 -07:00
netlabel.h SELinux: restore proper NetLabel caching behavior 2007-08-02 11:52:21 -04:00
netlink.h [NETLINK]: attr: add nested compat attribute type 2007-07-10 22:15:38 -07:00
netrom.h [PATCH] mark struct file_operations const 1 2007-02-12 09:48:44 -08:00
nexthop.h [IPv4]: FIB configuration using struct fib_config 2006-09-22 14:55:04 -07:00
p8022.h
pkt_cls.h [NET_SCHED]: Kill CONFIG_NET_CLS_POLICE 2007-07-15 00:03:05 -07:00
pkt_sched.h [NET_SCHED]: act_api: qdisc internal reclassify support 2007-07-15 00:02:31 -07:00
protocol.h [INET]: Change protocol field in struct inet_protosw to u16 2006-12-02 21:30:55 -08:00
psnap.h
raw.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
rawv6.h [IPV6] MIP6: Loadable module support for MIPv6. 2007-07-10 22:15:42 -07:00
red.h [NET_SCHED]: turn PSCHED_GET_TIME into inline function 2007-04-25 22:27:55 -07:00
request_sock.h [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
rose.h [ROSE]: Fix rose.ko oops on unload 2007-10-07 23:44:17 -07:00
route.h [IPV4]: Make ip_tos2prio const. 2007-07-10 22:19:04 -07:00
rtnetlink.h [RTNETLINK]: Introduce generic rtnl_create_link(). 2007-10-10 16:47:45 -07:00
sch_generic.h [NET_SCHED]: Kill CONFIG_NET_CLS_POLICE 2007-07-15 00:03:05 -07:00
scm.h avoid OPEN_MAX in SCM_MAX_FD 2007-07-17 10:23:03 -07:00
slhc_vj.h
snmp.h [SCTP]: Extend /proc/net/sctp/snmp to provide more statistics. 2006-09-22 14:55:16 -07:00
sock.h [NET]: DIV_ROUND_UP cleanup (part two) 2007-10-10 16:48:37 -07:00
syncppp.h [PATCH] drivers/net/wan/: possible cleanups 2005-09-14 08:36:54 -04:00
tcp_states.h [TCP]: Move the TCPF_ enum to tcp_states.h 2006-01-03 13:10:57 -08:00
tcp.h [TCP]: tcp_packets_out_inc to tcp_output.c (no callers elsewhere) 2007-10-10 16:48:28 -07:00
timewait_sock.h [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
transp_v6.h [NET]: Supporting UDP-Lite (RFC 3828) in Linux 2006-12-02 21:22:46 -08:00
udp.h [UDP]: Revert 2-pass hashing changes. 2007-06-07 13:40:50 -07:00
udplite.h [UDP]: Revert 2-pass hashing changes. 2007-06-07 13:40:50 -07:00
veth.h [NET]: Virtual ethernet device driver. 2007-10-10 16:47:46 -07:00
wext.h [NET]: Fix networking compilation errors 2007-04-27 15:31:24 -07:00
wireless.h [WIRELESS] cfg80211: New wireless config infrastructure. 2007-04-25 22:29:41 -07:00
x25.h [X.25]: Adds /proc/sys/net/x25/x25_forward to control forwarding. 2007-02-08 13:34:36 -08:00
x25device.h [SK_BUFF]: Introduce skb_reset_mac_header(skb) 2007-04-25 22:24:32 -07:00
xfrm.h [XFRM]: Fix crash introduced by struct dst_entry reordering 2007-07-18 01:55:52 -07:00