Commit Graph

235509 Commits

Author SHA1 Message Date
Domenico Andreoli
2ce8c07d63 CS89x0: Add networking support for QQ2440
QQ2440 is only another non-ISA board using CS89x0. This patch adds the
minimum bits required to make QQ2440 work with CS89x0.

Signed-off-by: Domenico Andreoli <cavokz@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 16:49:28 -07:00
Domenico Andreoli
d181a6171e CS89x0: Finish transition to CS89x0_NONISA_IRQ
CS89x0_NONISA_IRQ is selected by all those non-ISA boards which use
CS89x0. This patch only cleans the last bits left after its introduction.

Signed-off-by: Domenico Andreoli <cavokz@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 16:49:28 -07:00
Eric Dumazet
c05e7ac99c ftmac100: use GFP_ATOMIC allocations where needed
When running in softirq context, we should use GFP_ATOMIC allocations
instead of GFP_KERNEL ones.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Tested-by: Po-Yu Chuang <ratbert@faraday-tech.com>
Acked-by: Po-Yu Chuang <ratbert@faraday-tech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 15:40:39 -07:00
Frank Blaschka
dcf4ae2dba qeth: change some configurations defaults
This patch turns on RX checksum and GRO by default. To improve
receiving performance and reduce congestion in case of network
bursts we also increase the default number of inbound buffers.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 15:39:47 -07:00
Sathya Perla
2e588f84f2 be2net: changes for BE3 native mode support
So far be2net has been using BE3 in legacy mode. It now checks for native
 mode capability and if available it sets it. In native mode, the RX_COMPL
 structure is different from that in legacy mode.

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 15:17:09 -07:00
Sony Chacko
d478af0d6b netxen: Notify firmware of Flex-10 interface down
Notify firmware when a Flex-10 interface is brought down
so that virtual connect manager can display the correct link status.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 15:12:19 -07:00
Peter Korsgaard
af1dc13e60 phylib: SIOCGMIIREG/SIOCSMIIREG: allow access to all mdio addresses
phylib would silently ignore the phy_id argument to these ioctls and
perform the read/write with the active phydev address, whereas most
non-phylib drivers seem to allow access to all mdio addresses
(E.G. pcnet_cs).

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 15:02:14 -07:00
Michael Chan
dc187cb381 bnx2: Update firmware and version
Update 5709 mips firmware to 6.2.1a to fix iSCSI performance
regression.  There was an unnecessary context read in the fast path
affecting performance.

Update bnx2 to 2.1.6.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 15:00:12 -07:00
Vasanthy Kolluri
ea0f0d8bc6 enic: Support newer version of firmware devcmd CMD_MCPU_FW_INFO
This patch provides support to the newer version of firmware devcmd CMD_MCPU_FW_INFO
that returns additional information (ASIC type and revision) about the underlying hardware.
This knowledge is required by the driver to implement any hardware specific features.

Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:49:29 -07:00
stephen hemminger
1faa4356a3 bridge: control carrier based on ports online
This makes the bridge device behave like a physical device.
In earlier releases the bridge always asserted carrier. This
changes the behavior so that bridge device carrier is on only
if one or more ports are in the forwarding state. This
should help IPv6 autoconfiguration, DHCP, and routing daemons.

I did brief testing with Network and Virt manager and they
seem fine, but since this changes behavior of bridge, it should
wait until net-next (2.6.39).

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Reviewed-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr>
Tested-By: Adam Majer <adamm@zombino.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:29:02 -07:00
Michel Lespinasse
942527634e drivers/net: fix build warnings with CONFIG_PM_SLEEP disabled
This fixes a couple of build warnings when CONFIG_PM is enabled but
CONFIG_PM_SLEEP is disabled. Applies on top of v2.6.38-rc7 - I know it's
late, but it would be great if v2.6.38 could compile without warnings!

Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:22:01 -07:00
Yoshihiro Shimoda
b3017e6a03 net: sh_eth: add set_mdio_gate in bb_info
The SH7757's ETHER and GETHER use common MDIO pin. The MDIO pin is
selected by specific register. So this patch adds new interface in
bb_info, and when the sh_eth driver use the mdio, the register can
be changed by the function.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:10:16 -07:00
Yoshihiro Shimoda
8fcd496151 net: sh_eth: add support for SH7757's GETHER
The SH7757 have GETHER and ETHER both. This patch supports them.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:10:15 -07:00
Yoshihiro Shimoda
e47c905234 net: sh_eth: modify the PHY_INTERFACE_MODE
The previous code had hardcoded the PHY_INTERFACE_MODE_MII of phy_connect.
So some Gigabit PHYs will not behave correctly.
The patch adds the phy_interface in sh_eth_plat_data, so we can select
the phy interface.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:10:15 -07:00
Yoshihiro Shimoda
c5ed53687b net: sh_eth: remove almost #ifdef of SH7763
The SH7763 has GETHER. So the specification of some registers differs than
other CPUs. This patch removes almost #ifdef of CONFIG_CPU_SUBTYPE_SH7763.
Then we are able to add other CPU's GETHER easily.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:10:14 -07:00
Yoshihiro Shimoda
4986b99688 net: sh_eth: remove the SH_TSU_ADDR
The defination is hardcoded in this driver for some CPUs. This patch
modifies to get resource of TSU address from platform_device.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:10:14 -07:00
Yoshihiro Shimoda
4a55530f38 net: sh_eth: modify the definitions of register
The previous code cannot handle the ETHER and GETHER both as same time
because the definitions of register was hardcoded.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 14:10:13 -07:00
David S. Miller
201a11c1db Merge branch 'tipc-Mar14-2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/net-next-2.6 2011-03-14 13:49:53 -07:00
Daniel Turull
05aebe2e5d pktgen: bug fix in transmission headers with frags=0
(bug introduced by commit 26ad787962
(pktgen: speedup fragmented skbs)

The headers of pktgen were incorrectly added in a pktgen packet
without frags (frags=0). There was an offset in the pktgen headers.

The cause was in reusing the pgh variable as a return variable in skb_put
when adding the payload to the skb.

Signed-off-by: Daniel Turull <daniel.turull@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
2011-03-14 13:47:40 -07:00
Paul Gortmaker
1fa073803e tipc: delete extra semicolon blocking node deletion
Remove bogus semicolon only recently introduced in 34e46258cb
that blocks cleanup of nodes for N>1 on shutdown.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-14 12:21:12 -04:00
Eric Dumazet
4e75db2e8f inetpeer: should use call_rcu() variant
After commit 7b46ac4e77 (inetpeer: Don't disable BH for initial
fast RCU lookup.), we should use call_rcu() to wait proper RCU grace
period.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 23:22:23 -07:00
Steffen Klassert
d8647b79c3 xfrm: Add user interface for esn and big anti-replay windows
This patch adds a netlink based user interface to configure
esn and big anti-replay windows. The new netlink attribute
XFRMA_REPLAY_ESN_VAL is used to configure the new implementation.
If the XFRM_STATE_ESN flag is set, we use esn and support for big
anti-replay windows for the configured state. If this flag is not
set we use the new implementation with 32 bit sequence numbers.
A big anti-replay window can be configured in this case anyway.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:31 -07:00
Steffen Klassert
2cd084678f xfrm: Add support for IPsec extended sequence numbers
This patch adds support for IPsec extended sequence numbers (esn)
as defined in RFC 4303. The bits to manage the anti-replay window
are based on a patch from Alex Badea.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:31 -07:00
Steffen Klassert
97e15c3a85 xfrm: Support anti-replay window size bigger than 32 packets
As it is, the anti-replay bitmap in struct xfrm_replay_state can
only accomodate 32 packets. Even though it is possible to configure
anti-replay window sizes up to 255 packets from userspace. So we
reject any packet with a sequence number within the configured window
but outside the bitmap. With this patch, we represent the anti-replay
window as a bitmap of variable length that can be accessed via the
new struct xfrm_replay_state_esn. Thus, we have no limit on the
window size anymore. To use the new anti-replay window implementantion,
new userspace tools are required. We leave the old implementation
untouched to stay in sync with old userspace tools.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:30 -07:00
Steffen Klassert
9fdc4883d9 xfrm: Move IPsec replay detection functions to a separate file
To support multiple versions of replay detection, we move the replay
detection functions to a separate file and make them accessible
via function pointers contained in the struct xfrm_replay.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:30 -07:00
Steffen Klassert
d212a4c290 esp6: Add support for IPsec extended sequence numbers
This patch adds IPsec extended sequence numbers support to esp6.
We use the authencesn crypto algorithm to handle esp with separate
encryption/authentication algorithms.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:29 -07:00
Steffen Klassert
0dc49e9b28 esp4: Add support for IPsec extended sequence numbers
This patch adds IPsec extended sequence numbers support to esp4.
We use the authencesn crypto algorithm to handle esp with separate
encryption/authentication algorithms.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:29 -07:00
Steffen Klassert
1ce3644ade xfrm: Use separate low and high order bits of the sequence numbers in xfrm_skb_cb
To support IPsec extended sequence numbers, we split the
output sequence numbers of xfrm_skb_cb in low and high order 32 bits
and we add the high order 32 bits to the input sequence numbers.
All users are updated accordingly.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:28 -07:00
Steffen Klassert
9736acf395 xfrm: Add basic infrastructure to support IPsec extended sequence numbers
This patch adds the struct xfrm_replay_state_esn which will be
used to support IPsec extended sequence numbers and anti replay windows
bigger than 32 packets. Also we add a function that returns the actual
size of the xfrm_replay_state_esn, a xfrm netlink atribute and a xfrm state
flag for the use of extended sequence numbers.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:28 -07:00
Steffen Klassert
a5079d084f crypto: authencesn - Add algorithm to handle IPsec extended sequence numbers
ESP with separate encryption/authentication algorithms needs a special
treatment for the associated data. This patch add a new algorithm that
handles esp with extended sequence numbers.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 20:22:27 -07:00
David S. Miller
27b61ae2d7 Merge branch 'tipc-Mar13-2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/net-next-2.6 2011-03-13 18:49:11 -07:00
Hiroaki SHIMODA
46af31800b ipv4: Fix PMTU update.
On current net-next-2.6, when Linux receives ICMP Type: 3, Code: 4
(Destination unreachable (Fragmentation needed)),

  icmp_unreach
    -> ip_rt_frag_needed
         (peer->pmtu_expires is set here)
    -> tcp_v4_err
         -> do_pmtu_discovery
              -> ip_rt_update_pmtu
                   (peer->pmtu_expires is already set,
                    so check_peer_pmtu is skipped.)
                   -> check_peer_pmtu

check_peer_pmtu is skipped and MTU is not updated.

To fix this, let check_peer_pmtu execute unconditionally.
And some minor fixes
1) Avoid potential peer->pmtu_expires set to be zero.
2) In check_peer_pmtu, argument of time_before is reversed.
3) check_peer_pmtu expects peer->pmtu_orig is initialized as zero,
   but not initialized.

Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-13 18:37:49 -07:00
Allan Stephens
633d2bdedc tipc: Update maintenance information
Updates TIPC maintenance information to reflect changes that have
taken place during TIPC 2.0 development, including:

- removal of directories that have been deleted
- removal of websites that have been decommisioned
- removal of sidestream SCM repositories that are no longer used
- addition of netdev as appropriate list for kernel code.

Grateful acknowledgement is given to Joe Perches <joe@perches.com>,
who reported the stale file entry that triggered the update.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:19 -04:00
Allan Stephens
390bce4237 tipc: Eliminate obsolete routine for handling routed messages
Eliminates a routine that is used in handling messages arriving from
another cluster or zone. Such messages can no longer be received by TIPC
now that multi-cluster and multi-zone network support has been eliminated.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:19 -04:00
Allan Stephens
7945c1fb02 tipc: Eliminate remaining support for routing table messages
Gets rid of all remaining code relating to ROUTE_DISTRIBUTOR messages.
These messages were only used in multi-cluster and multi-zone networks,
which TIPC no longer supports. (For safety, TIPC now treats such messages
the same way that it handles other unrecognized messages.)

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:19 -04:00
Allan Stephens
50d492321a tipc: Remove bearer flag indicating existence of broadcast address
Eliminates the flag in the TIPC bearer structure that indicates if
the bearer supports broadcasting, since the flag is always set to 1
and serves no useful purpose.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:19 -04:00
Allan Stephens
f9107ebe7d tipc: Don't respond to neighbor discovery request on blocked bearer
Adds a check to prevent TIPC from trying to respond to an incoming
LINK_CONFIG request message if the associated bearer is currently
prohibited from sending messages.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:19 -04:00
Allan Stephens
d901a42b27 tipc: Eliminate unnecessary constant for neighbor discovery msg size
Eliminates an unnecessary constant that defines the size of a LINK_CONFIG
message, and uses one of the existing standard message size symbols in
its place. (The defunct constant was located in the wrong place anyway,
since it was grouped with other constants that define message users instead
of message sizes.)

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:18 -04:00
Allan Stephens
a2b58de2e3 tipc: Remove unused field in bearer structure
Eliminates a field in TIPC's bearer objects that is set, but never
referenced.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:18 -04:00
Allan Stephens
50d3e6399a tipc: Correct misnamed references to neighbor discovery domain
Renames items that are improperly labelled as "network scope" items
(which are represented by simple integer values) rather than "network
domain" items (which are represented by <Z.C.N>-type network addresses).
This change is purely cosmetic, and does not affect the operation of TIPC.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:18 -04:00
Allan Stephens
37b9c08a88 tipc: Optimizations to link creation code
Enhances link creation code as follows:

1) Detects illegal attempts to add a requested link earlier in the
   link creation process. This prevents TIPC from wasting time
   initializing a link object it then throws away, and also eliminates
   the code needed to do the throwing away.

2) Passes in the node object associated with the requested link.
   This allows TIPC to eliminate a search to locate the node object,
   as well as code that attempted to create the node if it doesn't
   exist.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:18 -04:00
Allan Stephens
fa2bae2d5b tipc: Give Tx of discovery responses priority over link messages
Delay releasing the node lock when processing a neighbor discovery
message until after the optional discovery response message has been
sent. This helps ensure that any link protocol messages sent by a
link endpoint created as a result of a neighbor discovery request
are received after the discovery response is received, thereby
giving the receiving node a chance to create a peer link endpoint to
consume those link protocol messages, if one does not already exist.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:18 -04:00
Allan Stephens
a728750e4f tipc: Cosmetic changes to neighbor discovery logic
Reworks the appearance of the routine that processes incoming
LINK_CONFIG messages to keep the main logic flow at a consistent level
of indentation, and to add comments outlining the various phases involved
in processing each message. This rework is being done to allow upcoming
enhancements to this routine to be integrated more cleanly.

The diff isn't really readable, so know that it was a case of the
old code being like:

	tipc_disc_recv_msg(..)
	{
		if (in_own_cluster(orig)) {
			...
			lines and lines of stuff
			...
		}
	}

which is now replaced with the more sane:

	tipc_disc_recv_msg(..)
	{
		if (!in_own_cluster(orig))
			return;
		...
		lines and lines of stuff
		...
	}

Instances of spin locking within the reindented block were replaced with
the identical tipc_node_[un]lock() abstractions.  Note that all these
changes are cosmetic in nature, and do not change the way LINK_CONFIG
messages are processed.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:18 -04:00
Allan Stephens
75f0aa4990 tipc: Fix redundant link field handling in link protocol message
Ensures that the "redundant link exists" field of the LINK_PROTOCOL
messages sent by a link endpoint is set if and only if the sending
node has at least one other working link to the peer node. Previously,
the bit was set only if there were at least 2 working links to the peer
node, meaning the bit was incorrectly left unset in messages sent by a
non-working link endpoint when exactly one alternate working link was
available. The revised code now takes the state of the link sending
the message into account when deciding if an alternate link exists.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:18 -04:00
Allan Stephens
77f167fcce tipc: make msg_set_redundant_link() consistent with other set ops
All the other boolean like msg_set_X(m) operations don't
export both a msg_set_X(a) and a msg_clear_X(m), but instead
just have the single msg_set_X(m, val) variant.

Make the redundant_link one consistent by having the set take
a value, and delete the msg_clear_redundant_link() anomoly.
This is a cosmetic change and should not change behaviour.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:17 -04:00
Paul Gortmaker
8f19afb2db tipc: cosmetic - function names are not to be full sentences
Function names like "tipc_node_has_redundant_links" are unweildy
and result in long lines even for simple lines.  The "has" doesn't
contribute any value add, so dropping that is a slight step in the
right direction.   This is a cosmetic change, basic result of:

for i in `grep -l tipc_node_has_ *` ; do sed -i s/tipc_node_has_/tipc_node_/ $i ; done

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:17 -04:00
Allan Stephens
e7b3acb6a8 tipc: Eliminate timestamp from link protocol messages
Removes support for the timestamp field of TIPC's link protocol messages.

This field was previously used to hold an OS-dependent timestamp value
that was used to assist in debugging early versions of TIPC. The field
has now been deemed unnecessary and has been removed from the latest TIPC
specification. This change has no impact on the operation of TIPC since
the field was set by TIPC, but never referenced.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:17 -04:00
Allan Stephens
34e46258cb tipc: manually inline net_start/stop, make assoc. vars static
Relocates network-related variables into the subsystem files where
they are now primarily used (following the recent rework of TIPC's
node table), and converts globals into locals where possible. Changes
the initialization of tipc_num_links from run-time to compile-time,
and eliminates the net_start routine that becomes empty as a result.
Also eliminates the corresponding net_stop routine by moving its
(trivial) content into the one location that called the routine.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:17 -04:00
Allan Stephens
672d99e19a tipc: Convert node object array to a hash table
Replaces the dynamically allocated array of pointers to the cluster's
node objects with a static hash table. Hash collisions are resolved
using chaining, with a typical hash chain having only a single node,
to avoid degrading performance during processing of incoming packets.
The conversion to a hash table reduces the memory requirements for
TIPC's node table to approximately the same size it had prior to
the previous commit.

In addition to the hash table itself, TIPC now also maintains a
linked list for the node objects, sorted by ascending network address.
This list allows TIPC to continue sending responses to user space
applications that request node and link information in sorted order.
The list also improves performance when name table update messages are
sent by making it easier to identify the nodes that must be notified.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:17 -04:00
Allan Stephens
f831c963b5 tipc: Eliminate configuration for maximum number of cluster nodes
Gets rid of the need for users to specify the maximum number of
cluster nodes supported by TIPC. TIPC now automatically provides
support for all 4K nodes allowed by its addressing scheme.

Note: This change sets TIPC's memory usage to the amount used by
a maximum size node table with 4K entries.  An upcoming patch that
converts the node table from a linear array to a hash table will
compact the node table to a more efficient design, but for clarity
it is nice to have all the Kconfig infrastruture go away separately.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-03-13 16:35:17 -04:00