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2015-02-09tipc: convert legacy nl stats show to nl compatRichard Alpe2-35/+15
Convert TIPC_CMD_SHOW_STATS to compat layer. This command does not have any counterpart in the new API, meaning it now solely exists as a function in the compat layer. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl net id get to nl compatRichard Alpe2-23/+18
Convert TIPC_CMD_GET_NETID to compat dumpit. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl net id set to nl compatRichard Alpe2-26/+14
Convert TIPC_CMD_SET_NETID to compat doit. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl node addr set to nl compatRichard Alpe3-27/+27
Convert TIPC_CMD_SET_NODE_ADDR to compat doit. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl node dump to nl compatRichard Alpe4-60/+22
Convert TIPC_CMD_GET_NODES to compat dumpit and remove global node counter solely used by the legacy API. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl media dump to nl compatRichard Alpe4-24/+19
Convert TIPC_CMD_GET_MEDIA_NAMES to compat dumpit. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl socket dump to nl compatRichard Alpe4-89/+111
Convert socket (port) listing to compat dumpit call. If a socket (port) has publications a second dumpit call is issued to collect them and format then into the legacy buffer before continuing to process the sockets (ports). Command converted in this patch: TIPC_CMD_SHOW_PORTS Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl name table dump to nl compatRichard Alpe4-190/+101
Add functionality for printing a dump header and convert TIPC_CMD_SHOW_NAME_TABLE to compat dumpit. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl link stat reset to nl compatRichard Alpe4-41/+27
Convert TIPC_CMD_RESET_LINK_STATS to compat doit. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl link prop set to nl compatRichard Alpe4-153/+48
Convert setting of link proprieties to compat doit calls. Commands converted in this patch: TIPC_CMD_SET_LINK_TOL TIPC_CMD_SET_LINK_PRI TIPC_CMD_SET_LINK_WINDOW Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl link dump to nl compatRichard Alpe4-79/+23
Convert TIPC_CMD_GET_LINKS to compat dumpit and remove global link counter solely used by the legacy API. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl link stat to nl compatRichard Alpe7-192/+215
Add functionality for safely appending string data to a TLV without keeping write count in the caller. Convert TIPC_CMD_SHOW_LINK_STATS to compat dumpit. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl bearer enable/disable to nl compatRichard Alpe5-57/+154
Introduce a framework for transcoding legacy nl action into actions (.doit) calls from the new nl API. This is done by converting the incoming TLV data into netlink data with nested netlink attributes. Unfortunately due to the randomness of the legacy API we can't do this generically so each legacy netlink command requires a specific transcoding recipe. In this case for bearer enable and bearer disable. Convert TIPC_CMD_ENABLE_BEARER and TIPC_CMD_DISABLE_BEARER into doit compat calls. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: convert legacy nl bearer dump to nl compatRichard Alpe5-34/+278
Introduce a framework for dumping netlink data from the new netlink API and formatting it to the old legacy API format. This is done by looping the dump data and calling a format handler for each entity, in this case a bearer. We dump until either all data is dumped or we reach the limited buffer size of the legacy API. Remember, the legacy API doesn't scale. In this commit we convert TIPC_CMD_GET_BEARER_NAMES to use the compat layer. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-09tipc: move and rename the legacy nl api to "nl compat"Richard Alpe13-76/+130
The new netlink API is no longer "v2" but rather the standard API and the legacy API is now "nl compat". We split them into separate start/stop and put them in different files in order to further distinguish them. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08net:rfs: adjust table size checkingEric Dumazet2-2/+3
Make sure root user does not try something stupid. Also make sure mask field in struct rps_sock_flow_table does not share a cache line with the potentially often dirtied flow table. Signed-off-by: Eric Dumazet <edumazet@google.com> Fixes: 567e4b79731c ("net: rfs: add hash collision detection") Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08cxgb4: Fix trace observed while dumping clip_tblHariprasad Shenai2-1/+4
Handle clip_tbl debugfs entry, when clip_tbl isn't allocated. In commit b5a02f503caa0837 ("cxgb4: Update ipv6 address handling api") wrong argument was passed for single_open for clip_tbl debugfs entry, which led to below trace. Fixing it. ====== call Trace: [<ffffffffa073c606>] clip_tbl_open+0x16/0x30 [cxgb4] [<ffffffff8119e2fa>] do_dentry_open+0x21a/0x370 [<ffffffff8119e499>] vfs_open+0x49/0x50 [<ffffffff811b0d0e>] do_last+0x21e/0x800 [<ffffffff811b1382>] path_openat+0x92/0x470 [<ffffffff8110569f>] ? rb_reserve_next_event+0xaf/0x380 [<ffffffff8110569f>] ? rb_reserve_next_event+0xaf/0x380 [<ffffffff811b189a>] do_filp_open+0x4a/0xa0 [<ffffffff811bdc5d>] ? __alloc_fd+0xcd/0x140 [<ffffffff8119fa4a>] do_sys_open+0x11a/0x230 [<ffffffff8101219f>] ? syscall_trace_enter_phase2+0xaf/0x1b0 [<ffffffff8119fb9e>] SyS_open+0x1e/0x20 [<ffffffff815bf6f0>] tracesys_phase2+0xd4/0xd9 Code: 89 e5 66 66 66 66 90 48 8b 47 e0 48 8b 40 30 48 8b 40 58 c9 c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 66 66 66 66 90 48 8b 47 e0 <48> 8b 40 58 c9 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 RIP [<ffffffff8120898d>] PDE_DATA+0xd/0x20 RSP <ffff8800b08c3c48> CR2: 0000000000000058 ===== Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08rhashtable: using ERR_PTR requires linux/err.hStephen Rothwell1-0/+1
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08Driver: Vmxnet3: Change the hex constant to its decimal equivalentShrikrishna Khare2-3/+3
The hex constant chosen for VMXNET3_REV1_MAGIC is offensive, replace it with its decimal equivalent. Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Reviewed-by: Shreyas Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08net: rfs: add hash collision detectionEric Dumazet6-68/+47
Receive Flow Steering is a nice solution but suffers from hash collisions when a mix of connected and unconnected traffic is received on the host, when flow hash table is populated. Also, clearing flow in inet_release() makes RFS not very good for short lived flows, as many packets can follow close(). (FIN , ACK packets, ...) This patch extends the information stored into global hash table to not only include cpu number, but upper part of the hash value. I use a 32bit value, and dynamically split it in two parts. For host with less than 64 possible cpus, this gives 6 bits for the cpu number, and 26 (32-6) bits for the upper part of the hash. Since hash bucket selection use low order bits of the hash, we have a full hash match, if /proc/sys/net/core/rps_sock_flow_entries is big enough. If the hash found in flow table does not match, we fallback to RPS (if it is enabled for the rxqueue). This means that a packet for an non connected flow can avoid the IPI through a unrelated/victim CPU. This also means we no longer have to clear the table at socket close time, and this helps short lived flows performance. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08net: fix a typo in skb_checksum_validate_zero_checkSabrina Dubroca1-1/+1
Remove trailing underscore. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08gre/ipip: use be16 variants of netlink functionsSabrina Dubroca2-12/+12
encap.sport and encap.dport are __be16, use nla_{get,put}_be16 instead of nla_{get,put}_u16. Fixes the sparse warnings: warning: incorrect type in assignment (different base types) expected restricted __be32 [addressable] [usertype] o_key got restricted __be16 [addressable] [usertype] i_flags warning: incorrect type in assignment (different base types) expected restricted __be16 [usertype] sport got unsigned short warning: incorrect type in assignment (different base types) expected restricted __be16 [usertype] dport got unsigned short warning: incorrect type in argument 3 (different base types) expected unsigned short [unsigned] [usertype] value got restricted __be16 [usertype] sport warning: incorrect type in argument 3 (different base types) expected unsigned short [unsigned] [usertype] value got restricted __be16 [usertype] dport Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08tipc: fix bug in socket reception functionJon Paul Maloy1-3/+2
In commit c637c1035534867b85b78b453c38c495b58e2c5a ("tipc: resolve race problem at unicast message reception") we introduced a time limit for how long the function tipc_sk_eneque() would be allowed to execute its loop. Unfortunately, the test for when this limit is passed was put in the wrong place, resulting in a lost message when the test is true. We fix this by moving the test to before we dequeue the next buffer from the input queue. Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08rt6_probe_deferred: Do not depend on struct orderingMichael Büsch1-1/+1
rt6_probe allocates a struct __rt6_probe_work and schedules a work handler rt6_probe_deferred. But rt6_probe_deferred kfree's the struct work_struct instead of struct __rt6_probe_work. This works, because struct work_struct is the first element of struct __rt6_probe_work. Change it to kfree struct __rt6_probe_work to not implicitly depend on struct work_struct being the first element. This does not affect the generated code. Signed-off-by: Michael Buesch <m@bues.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08tcp: mitigate ACK loops for connections as tcp_timewait_sockNeal Cardwell2-5/+28
Ensure that in state FIN_WAIT2 or TIME_WAIT, where the connection is represented by a tcp_timewait_sock, we rate limit dupacks in response to incoming packets (a) with TCP timestamps that fail PAWS checks, or (b) with sequence numbers that are out of the acceptable window. We do not send a dupack in response to out-of-window packets if it has been less than sysctl_tcp_invalid_ratelimit (default 500ms) since we last sent a dupack in response to an out-of-window packet. Reported-by: Avery Fay <avery@mixpanel.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08tcp: mitigate ACK loops for connections as tcp_sockNeal Cardwell3-7/+24
Ensure that in state ESTABLISHED, where the connection is represented by a tcp_sock, we rate limit dupacks in response to incoming packets (a) with TCP timestamps that fail PAWS checks, or (b) with sequence numbers or ACK numbers that are out of the acceptable window. We do not send a dupack in response to out-of-window packets if it has been less than sysctl_tcp_invalid_ratelimit (default 500ms) since we last sent a dupack in response to an out-of-window packet. There is already a similar (although global) rate-limiting mechanism for "challenge ACKs". When deciding whether to send a challence ACK, we first consult the new per-connection rate limit, and then the global rate limit. Reported-by: Avery Fay <avery@mixpanel.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08tcp: mitigate ACK loops for connections as tcp_request_sockNeal Cardwell3-1/+7
In the SYN_RECV state, where the TCP connection is represented by tcp_request_sock, we now rate-limit SYNACKs in response to a client's retransmitted SYNs: we do not send a SYNACK in response to client SYN if it has been less than sysctl_tcp_invalid_ratelimit (default 500ms) since we last sent a SYNACK in response to a client's retransmitted SYN. This allows the vast majority of legitimate client connections to proceed unimpeded, even for the most aggressive platforms, iOS and MacOS, which actually retransmit SYNs 1-second intervals for several times in a row. They use SYN RTO timeouts following the progression: 1,1,1,1,1,2,4,8,16,32. Reported-by: Avery Fay <avery@mixpanel.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08tcp: helpers to mitigate ACK loops by rate-limiting out-of-window dupacksNeal Cardwell6-0/+74
Helpers for mitigating ACK loops by rate-limiting dupacks sent in response to incoming out-of-window packets. This patch includes: - rate-limiting logic - sysctl to control how often we allow dupacks to out-of-window packets - SNMP counter for cases where we rate-limited our dupack sending The rate-limiting logic in this patch decides to not send dupacks in response to out-of-window segments if (a) they are SYNs or pure ACKs and (b) the remote endpoint is sending them faster than the configured rate limit. We rate-limit our responses rather than blocking them entirely or resetting the connection, because legitimate connections can rely on dupacks in response to some out-of-window segments. For example, zero window probes are typically sent with a sequence number that is below the current window, and ZWPs thus expect to thus elicit a dupack in response. We allow dupacks in response to TCP segments with data, because these may be spurious retransmissions for which the remote endpoint wants to receive DSACKs. This is safe because segments with data can't realistically be part of ACK loops, which by their nature consist of each side sending pure/data-less ACKs to each other. The dupack interval is controlled by a new sysctl knob, tcp_invalid_ratelimit, given in milliseconds, in case an administrator needs to dial this upward in the face of a high-rate DoS attack. The name and units are chosen to be analogous to the existing analogous knob for ICMP, icmp_ratelimit. The default value for tcp_invalid_ratelimit is 500ms, which allows at most one such dupack per 500ms. This is chosen to be 2x faster than the 1-second minimum RTO interval allowed by RFC 6298 (section 2, rule 2.4). We allow the extra 2x factor because network delay variations can cause packets sent at 1 second intervals to be compressed and arrive much closer. Reported-by: Avery Fay <avery@mixpanel.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-08openvswitch: Initialize unmasked key and uid lenPravin B Shelar1-0/+2
Flow alloc needs to initialize unmasked key pointer. Otherwise it can crash kernel trying to free random unmasked-key pointer. general protection fault: 0000 [#1] SMP 3.19.0-rc6-net-next+ #457 Hardware name: Supermicro X7DWU/X7DWU, BIOS 1.1 04/30/2008 RIP: 0010:[<ffffffff8111df0e>] [<ffffffff8111df0e>] kfree+0xac/0x196 Call Trace: [<ffffffffa060bd87>] flow_free+0x21/0x59 [openvswitch] [<ffffffffa060bde0>] ovs_flow_free+0x21/0x23 [openvswitch] [<ffffffffa0605b4a>] ovs_packet_cmd_execute+0x2f3/0x35f [openvswitch] [<ffffffffa0605995>] ? ovs_packet_cmd_execute+0x13e/0x35f [openvswitch] [<ffffffff811fe6fb>] ? nla_parse+0x4f/0xec [<ffffffff8139a2fc>] genl_family_rcv_msg+0x26d/0x2c9 [<ffffffff8107620f>] ? __lock_acquire+0x90e/0x9aa [<ffffffff8139a3be>] genl_rcv_msg+0x66/0x89 [<ffffffff8139a358>] ? genl_family_rcv_msg+0x2c9/0x2c9 [<ffffffff81399591>] netlink_rcv_skb+0x3e/0x95 [<ffffffff81399898>] ? genl_rcv+0x18/0x37 [<ffffffff813998a7>] genl_rcv+0x27/0x37 [<ffffffff81399033>] netlink_unicast+0x103/0x191 [<ffffffff81399382>] netlink_sendmsg+0x2c1/0x310 [<ffffffff811007ad>] ? might_fault+0x50/0xa0 [<ffffffff8135c773>] do_sock_sendmsg+0x5f/0x7a [<ffffffff8135c799>] sock_sendmsg+0xb/0xd [<ffffffff8135cacf>] ___sys_sendmsg+0x1a3/0x218 [<ffffffff8113e54b>] ? get_close_on_exec+0x86/0x86 [<ffffffff8115a9d0>] ? fsnotify+0x32c/0x348 [<ffffffff8115a720>] ? fsnotify+0x7c/0x348 [<ffffffff8113e5f5>] ? __fget+0xaa/0xbf [<ffffffff8113e54b>] ? get_close_on_exec+0x86/0x86 [<ffffffff8135cccd>] __sys_sendmsg+0x3d/0x5e [<ffffffff8135cd02>] SyS_sendmsg+0x14/0x16 [<ffffffff81411852>] system_call_fastpath+0x12/0x17 Fixes: 74ed7ab9264("openvswitch: Add support for unique flow IDs.") CC: Joe Stringer <joestringer@nicira.com> Reported-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Add support in debugfs to dump the congestion control tableHariprasad Shenai4-0/+53
Dump Transport Processor modules congestion control configuration Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Add support to dump mailbox content in debugfsHariprasad Shenai3-0/+91
Adds support to dump the current contents of mailbox and the driver which owns it. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Add support for ULP RX logic analyzer output in debugfsHariprasad Shenai5-0/+58
Dump Upper Layer Protocol RX module command trace Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Added support in debugfs to display TP logic analyzer outputHariprasad Shenai5-0/+320
Dump Transport Processor event trace. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07cxgb4: Add support in debugfs to display sensor informationHariprasad Shenai2-0/+42
Dump out various chip sensor information. Currently Chip Temperature and Core Voltage. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: avoid unncessary swapping of fields in eth_tx_wrbSathya Perla2-18/+27
The 32-bit fields of a tx-wrb are little endian. The driver is currently using be_dws_le_to_cpu() routine to swap (cpu to le) all the fields of a tx-wrb. So, the rsvd field is also unnecessarily swapped. This patch fixes this by individually swapping the required fields. Also, the type of the fields in eth_tx_wrb{} is now changed to __le32 from u32 to avoid sparse warnings. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: process port misconfig async eventVasundhara Volam4-30/+139
This patch adds support for processing the port misconfigure async event generated by the FW. This event is generated typically when an optical module is incorrectly installed or is faulty. This patch also moves the port_name field to the adapter struct for logging the event. As the be_cmd_query_port_name() call is now moved to be_get_config(), it is modified to use the mailbox instead of MCCQ Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: refactor be_set_rx_mode() and be_vid_config() for readabilitySathya Perla2-97/+127
This patch re-factors the filter setting (uc-list, mc-list, promisc, vlan) code in be_set_rx_mode() and be_vid_config() to make it more readable and reduce code duplication. This patch adds a separate field to track the state/mode of filtering, along with moving all the filtering related fields to one place in be be_adapter structure. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: remove duplicate code in be_cmd_rx_filter()Sathya Perla3-51/+36
This patch passes BE_IF_FLAGS_XXX flags to be_cmd_rx_filter() routine instead of the IFF_XXX flags. Doing this gets rid of the code to convert the IFF_XXX flags to the BE_IF_FLAGS_XXX used by the FW cmd. The patch also removes code for setting if_flags_mask that was duplicated for each filter mode. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: use offset based FW flashing for Skyhawk chipVasundhara Volam3-23/+66
While sending FW update cmds to the FW, the driver specifies the "type" of each component that needs to be flashed. The FW then picks the offset in the flash area at which the componnet is to be flashed. This doesn't work when new components that the current FW doesn't recognize, need to be flashed. Recent FWs (10.2 and above) support a scheme of FW-update wherein the "offset" of the component in the flash area can be specified instead of the "type". This patch uses the "offset" based FW-update mechanism and only when it fails, it fallsback to the old "type" based update. Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: avoid flashing SH-B0 UFI image on SH-P2 chipVasundhara Volam2-2/+9
Skyhawk-B0 FW UFI is not compatible to flash on Skyhawk-P2 ASIC. But, Skyhawk-P2 FW UFI is compatible with both B0 and P2 chips. Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: refactor code that checks flash file compatibilityVasundhara Volam2-68/+78
This patch re-factors the code that checks for flash file compatibility with the chip type, for better readability, as follows: - be_get_ufi_type() returns the UFI type from the flash file - be_check_ufi_compatibility() checks if the UFI type is compatible with the adapter/chip that is being flashed Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: replace (1 << x) with BIT(x)Vasundhara Volam3-15/+15
BIT(x) is the preffered usage. Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07be2net: move un-exported routines from be.h to respective src filesSathya Perla3-166/+167
Routines that are called only inside one src file must remain in that file itself. Including them in a header file that is used for exporting routine/struct definitions, causes unnecessary compilation of other src files, when such a routine is modified. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07bridge: add missing bridge port check for offloadsRoopa Prabhu1-2/+2
This patch fixes a missing bridge port check caught by smatch. setlink/dellink of attributes like vlans can come for a bridge device and there is no need to offload those today. So, this patch adds a bridge port check. (In these cases however, the BRIDGE_SELF flags will always be set and we may not hit a problem with the current code). smatch complaint: The patch 68e331c785b8: "bridge: offload bridge port attributes to switch asic if feature flag set" from Jan 29, 2015, leads to the following Smatch complaint: net/bridge/br_netlink.c:552 br_setlink() error: we previously assumed 'p' could be null (see line 518) net/bridge/br_netlink.c 517 518 if (p && protinfo) { ^ Check for NULL. Reported-By: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07r8152: use BIT macrohayeswang1-17/+17
Use BIT macro to replace (1 << bits). Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07r8152: replace get_protocol with vlan_get_protocolhayeswang1-14/+2
vlan_get_protocol() has been defined and use it to replace get_protocol(). Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07r8152: adjust the line feed for hw_featureshayeswang1-2/+1
Keep NETIF_F_HW_VLAN_CTAG_RX and NETIF_F_HW_VLAN_CTAG_TX at the same line. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07r8152: check RTL8152_UNPLUG for rtl8152_closehayeswang1-1/+1
It is unnecessary to accress the hw register if the device is unplugged. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07r8152: check linking status with netif_carrier_okhayeswang1-14/+9
Replace (tp->speed & LINK_STATUS) with netif_carrier_ok(). Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-07r8152: adjust lpm timerhayeswang1-3/+3
Set LPM timer to 500us, except for RTL_VER_04 which doesn't link at USB 3.0. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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