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2020-03-17mt76: mt7615: introduce mt7615_mcu_send_message routineLorenzo Bianconi2-7/+20
Introduce mt7615_mcu_send_message routine in order to allocate mcu skb out of mcu sending routine. This approach is useful when the mcu message is complicated and it is convenient to rely on skb buffer API Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: always init to 0 mcu messagesLorenzo Bianconi3-4/+4
Always initialize to 0 mcu messages since if they are not propely configured they could hang the firmware. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7615: introduce mt7615_init_device routineLorenzo Bianconi2-11/+17
Add mt7615_init_device routine in order to be reused adding support for mt7663 in mt7615 driver Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7615: cleanup fw queue just for mmio devicesLorenzo Bianconi1-1/+3
In order to reuse mt7615_mcu_send_firmware routine adding support for usb devices, clean fw hw queue just for mmio devices Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7615: introduce mt7615_mcu_wait_responseLorenzo Bianconi1-14/+24
Introduce mt7615_mcu_wait_response in order to be reused parsing mt7663u mcu messages Co-developed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7615: introduce mt7615_mcu_fill_msgLorenzo Bianconi2-8/+14
Introduce mt7615_mcu_fill_msg routine to initialize mcu messages. mt7615_mcu_fill_msg will be reused adding mt7663u support Co-developed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: remove variable 'val' set but not usedChen Wandun1-2/+1
Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/wireless/mediatek/mt76/mt76x0/phy.c: In function mt76x0_phy_rf_init: drivers/net/wireless/mediatek/mt76/mt76x0/phy.c:1158:5: warning: variable val set but not used [-Wunused-but-set-variable] Fixes: 10de7a8b4ab9 ("mt76x0: phy files") Signed-off-by: Chen Wandun <chenwandun@huawei.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7615: remove a stray if statementDan Carpenter1-1/+0
This if statement was supposed to be deleted, but it wasn't. It means that we sometimes don't set the sensitivity correctly. Fixes: 2cad515ece8a ("mt76: mt7615: add missing settings for simultaneous dual-band support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt76x02: reset MCU timeout counter earlier in watchdog resetFelix Fietkau1-4/+1
Ensure that MCU commands issued right after hardware reset are not dropped and treated as failed. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7615: fix monitor injection of beacon framesFelix Fietkau3-5/+5
When injecting beacon frames via monitor interface, they must not be sent to the beacon hardware queue, because they don't follow normal hardware beacon tx rules. Fix sending them by adding a flag to mt7615_mac_write_txwi that selects the beacon queue for tx, and use it only from mt7615_mcu_set_bcn. Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7603: make dynamic sensitivity adjustment configurable via debugfsFelix Fietkau4-0/+7
In some cases it may be useful for debugging to disable this feature Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7603: add upper limit for dynamic sensitivity minimum receive powerFelix Fietkau4-1/+6
If the minimum power is raised too much, it can make it impossible for weaker clients to connect, and there are some scenarios where the false detects will not go down no matter how much the sensitivity is adjusted. Fixes connectivity issues in some rare cases Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt7615: fix antenna mask initialization in DBDC modeFelix Fietkau2-1/+11
Update wiphy available antenna mask, and fix chainmask setting on 3x3 hardware Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt76u: rely only on data buffer for usb control messaggesLorenzo Bianconi2-5/+4
Starting from commit 'a6bfb6d13f33 ("mt76: usb: use max packet length for m76u_copy")' reg_val does not share memory with usb data buffer. On non-coherent devices this approach can corrupt data pointer since data and reg_val share the same cache-line, resulting in the following crash: [ 371.544901] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 8042fbb0 [ 371.558521] CPU: 0 PID: 11 Comm: kworker/u2:2 Not tainted 4.14.160 #0 [ 371.565204] Workqueue: mt76u mt76u_deinit [mt76_usb] [ 371.570331] task: 83823ac0 task.stack: 8386c000 [ 371.575004] $ 0 : 00000000 80590000 00000000 00000000 [ 371.580407] $ 4 : 82edaad0 00000002 83823ac0 fffffff8 [ 371.585810] $ 8 : fffffffd 0000fc00 8052da00 00000000 [ 371.591212] $12 : 000b2285 ae53a1a9 00108845 89da44c4 [ 371.596615] $16 : 82edaad0 82ed9d20 00001798 832edf00 [ 371.602019] $20 : 00000000 8386dda8 80530000 fffffffe [ 371.607421] $24 : 8051d040 76274d1b [ 371.612824] $28 : 8386c000 8386dd88 82edaad4 830d4d50 [ 371.618228] Hi : 000000f7 [ 371.621203] Lo : 33333371 [ 371.624196] epc : 8042fbb0 __mutex_lock.isra.2+0x134/0x378 [ 371.630043] ra : 830d4d50 mt76u_deinit+0x418/0xa6c [mt76_usb] [ 371.636237] Status: 1000fc03KERNEL EXL IE [ 371.640557] Cause : 0080000c (ExcCode 03) [ 371.644696] BadVA : 00000000 [ 371.647671] PrId : 00019374 (MIPS 24Kc) [ 371.726123] usbcore nls_base usb_common [ 371.730180] Process kworker/u2:2 (pid: 11, threadinfo=8386c000, task=83823ac0, tls=00000000) [ 371.738884] Stack : 833d009c 83210b4c 82ed8bc0 8386ddac 000001ff 8008ac50 8386ddac 83b74b00 [ 371.747519] 82edaad4 00000000 83b74b48 83210c38 82edaad0 82ed9d20 00001798 832edf00 [ 371.756157] 00000000 00000000 80530000 fffffffe 80530000 830d4d50 00000040 8389d850 [ 371.764794] 8052d9d8 8389d850 8386de30 82ed9d20 8386de5f 831c27bc 833d48ec 8052d9d8 [ 371.773431] 83823ac0 83823af0 82edab00 82ed9d20 8386de5f 831c5c30 00000000 8052d9a8 [ 371.782069] ... [ 371.784598] Call Trace: [ 371.787130] [<8042fbb0>] __mutex_lock.isra.2+0x134/0x378 [ 371.792622] [<830d4d50>] mt76u_deinit+0x418/0xa6c [mt76_usb] [ 371.808546] [ 371.810920] ---[ end trace c62f0601f6730eb0 ]--- [ 371.818101] Kernel panic - not syncing: Fatal exception [ 371.824420] Rebooting in 3 seconds.. Fix the issue relying only on data buffer to send/receive usb control messages Fixes: a6bfb6d13f33 ("mt76: usb: use max packet length for m76u_copy") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt76u: fix a possible memory leak in mt76u_initLorenzo Bianconi1-5/+12
Remove usb workqueue if mt76u_set_endpoints fails. Fixes: 284efb473ef5 ("mt76: mt76u: rely on a dedicated stats workqueue") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17mt76: mt76u: loop over all possible rx queues in mt76u_rx_taskletLorenzo Bianconi1-2/+9
Loop over all possible hw rx queues in mt76u_rx_tasklet since new devices will report mcu events through mcu hw queue Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-03-17Merge branch 'tcp-fix-stretch-ACK-bugs-in-congestion-control-modules'David S. Miller4-65/+51
Pengcheng Yang says: ==================== tcp: fix stretch ACK bugs in congestion control modules "stretch ACKs" (caused by LRO, GRO, delayed ACKs or middleboxes) can cause serious performance shortfalls in common congestion control algorithms. Neal Cardwell submitted a series of patches starting with commit e73ebb0881ea ("tcp: stretch ACK fixes prep") to handle stretch ACKs and fixed stretch ACK bugs in Reno and CUBIC congestion control algorithms. This patch series continues to fix bic, scalable, veno and yeah congestion control algorithms to handle stretch ACKs. Changes in v2: - Provide [PATCH 0/N] to describe the modifications of this patch series ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17tcp: fix stretch ACK bugs in YeahPengcheng Yang1-30/+11
Change Yeah to properly handle stretch ACKs in additive increase mode by passing in the count of ACKed packets to tcp_cong_avoid_ai(). In addition, we re-implemented the scalable path using tcp_cong_avoid_ai() and removed the pkts_acked variable. Signed-off-by: Pengcheng Yang <yangpc@wangsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17tcp: fix stretch ACK bugs in VenoPengcheng Yang1-4/+5
Change Veno to properly handle stretch ACKs in additive increase mode by passing in the count of ACKed packets to tcp_cong_avoid_ai(). Signed-off-by: Pengcheng Yang <yangpc@wangsu.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17tcp: stretch ACK fixes in Veno prepPengcheng Yang1-21/+23
No code logic has been changed in this patch. Signed-off-by: Pengcheng Yang <yangpc@wangsu.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17tcp: fix stretch ACK bugs in ScalablePengcheng Yang1-8/+9
Change Scalable to properly handle stretch ACKs in additive increase mode by passing in the count of ACKed packets to tcp_cong_avoid_ai(). In addition, because we are now precisely accounting for stretch ACKs, including delayed ACKs, we can now change TCP_SCALABLE_AI_CNT to 100. Signed-off-by: Pengcheng Yang <yangpc@wangsu.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17tcp: fix stretch ACK bugs in BICPengcheng Yang1-5/+6
Changes BIC to properly handle stretch ACKs in additive increase mode by passing in the count of ACKed packets to tcp_cong_avoid_ai(). Signed-off-by: Pengcheng Yang <yangpc@wangsu.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17sfc: fix XDP-redirect in this driverJesper Dangaard Brouer4-8/+15
XDP-redirect is broken in this driver sfc. XDP_REDIRECT requires tailroom for skb_shared_info when creating an SKB based on the redirected xdp_frame (both in cpumap and veth). The fix requires some initial explaining. The driver uses RX page-split when possible. It reserves the top 64 bytes in the RX-page for storing dma_addr (struct efx_rx_page_state). It also have the XDP recommended headroom of XDP_PACKET_HEADROOM (256 bytes). As it doesn't reserve any tailroom, it can still fit two standard MTU (1500) frames into one page. The sizeof struct skb_shared_info in 320 bytes. Thus drivers like ixgbe and i40e, reduce their XDP headroom to 192 bytes, which allows them to fit two frames with max 1536 bytes into a 4K page (192+1536+320=2048). The fix is to reduce this drivers headroom to 128 bytes and add the 320 bytes tailroom. This account for reserved top 64 bytes in the page, and still fit two frame in a page for normal MTUs. We must never go below 128 bytes of headroom for XDP, as one cacheline is for xdp_frame area and next cacheline is reserved for metadata area. Fixes: eb9a36be7f3e ("sfc: perform XDP processing on received packets") Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17remoteproc: clean up notification configAlex Elder2-4/+2
Rearrange the config files for remoteproc and IPA to fix their interdependencies. First, have CONFIG_QCOM_Q6V5_MSS select QCOM_Q6V5_IPA_NOTIFY so the notification code is built regardless of whether IPA needs it. Next, represent QCOM_IPA as being dependent on QCOM_Q6V5_MSS rather than setting its value to match QCOM_Q6V5_COMMON (which is selected by QCOM_Q6V5_MSS). Drop all dependencies from QCOM_Q6V5_IPA_NOTIFY. The notification code will be built whenever QCOM_Q6V5_MSS is set, and it has no other dependencies. Signed-off-by: Alex Elder <elder@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17net: kcm: kcmproc.c: Fix RCU list suspicious usage warningMadhuparna Bhowmik1-1/+1
This path fixes the suspicious RCU usage warning reported by kernel test robot. net/kcm/kcmproc.c:#RCU-list_traversed_in_non-reader_section There is no need to use list_for_each_entry_rcu() in kcm_stats_seq_show() as the list is always traversed under knet->mutex held. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-17qede: remove some unused code in function qede_selftest_receive_trafficZheng Zengkai1-12/+1
Remove set but not used variables 'sw_comp_cons' and 'hw_comp_cons' to fix gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/qlogic/qede/qede_ethtool.c: In function qede_selftest_receive_traffic: drivers/net/ethernet/qlogic/qede/qede_ethtool.c:1569:20: warning: variable sw_comp_cons set but not used [-Wunused-but-set-variable] drivers/net/ethernet/qlogic/qede/qede_ethtool.c: In function qede_selftest_receive_traffic: drivers/net/ethernet/qlogic/qede/qede_ethtool.c:1569:6: warning: variable hw_comp_cons set but not used [-Wunused-but-set-variable] After removing 'hw_comp_cons',the memory barrier 'rmb()' and its comments become useless, so remove them as well. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: sched: set the hw_stats_type in pedit loopJiri Pirko1-0/+1
For a single pedit action, multiple offload entries may be used. Set the hw_stats_type to all of them. Fixes: 44f865801741 ("sched: act: allow user to specify type of HW stats for a filter") Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16Merge branch 'net-stmmac-Use-readl_poll_timeout-to-simplify-the-code'David S. Miller2-22/+8
Dejin Zheng says: ==================== net: stmmac: Use readl_poll_timeout() to simplify the code This patch sets just for replace the open-coded loop to the readl_poll_timeout() helper macro for simplify the code in stmmac driver. v2 -> v3: - return whatever error code by readl_poll_timeout() returned. v1 -> v2: - no changed. I am a newbie and sent this patch a month ago (February 6th). So far, I have not received any comments or suggestion. I think it may be lost somewhere in the world, so resend it. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: stmmac: use readl_poll_timeout() function in dwmac4_dma_reset()Dejin Zheng1-11/+4
The dwmac4_dma_reset() function use an open coded of readl_poll_timeout(). Replace the open coded handling with the proper function. Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: stmmac: use readl_poll_timeout() function in init_systime()Dejin Zheng1-11/+4
The init_systime() function use an open coded of readl_poll_timeout(). Replace the open coded handling with the proper function. Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16chcr: remove set but not used variable 'status'YueHaibing1-2/+1
drivers/crypto/chelsio/chcr_ktls.c: In function chcr_ktls_cpl_set_tcb_rpl: drivers/crypto/chelsio/chcr_ktls.c:662:11: warning: variable status set but not used [-Wunused-but-set-variable] commit 8a30923e1598 ("cxgb4/chcr: Save tx keys and handle HW response") involved this unused variable, remove it. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16macsec: Netlink support of XPN cipher suites (IEEE 802.1AEbw)Era Mayflower3-15/+157
Netlink support of extended packet number cipher suites, allows adding and updating XPN macsec interfaces. Added support in: * Creating interfaces with GCM-AES-XPN-128 and GCM-AES-XPN-256 suites. * Setting and getting 64bit packet numbers with of SAs. * Setting (only on SA creation) and getting ssci of SAs. * Setting salt when installing a SAK. Added 2 cipher suite identifiers according to 802.1AE-2018 table 14-1: * MACSEC_CIPHER_ID_GCM_AES_XPN_128 * MACSEC_CIPHER_ID_GCM_AES_XPN_256 In addition, added 2 new netlink attribute types: * MACSEC_SA_ATTR_SSCI * MACSEC_SA_ATTR_SALT Depends on: macsec: Support XPN frame handling - IEEE 802.1AEbw. Signed-off-by: Era Mayflower <mayflowerera@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16macsec: Support XPN frame handling - IEEE 802.1AEbwEra Mayflower2-39/+136
Support extended packet number cipher suites (802.1AEbw) frames handling. This does not include the needed netlink patches. * Added xpn boolean field to `struct macsec_secy`. * Added ssci field to `struct_macsec_tx_sa` (802.1AE figure 10-5). * Added ssci field to `struct_macsec_rx_sa` (802.1AE figure 10-5). * Added salt field to `struct macsec_key` (802.1AE 10.7 NOTE 1). * Created pn_t type for easy access to lower and upper halves. * Created salt_t type for easy access to the "ssci" and "pn" parts. * Created `macsec_fill_iv_xpn` function to create IV in XPN mode. * Support in PN recovery and preliminary replay check in XPN mode. In addition, according to IEEE 802.1AEbw figure 10-5, the PN of incoming frame can be 0 when XPN cipher suite is used, so fixed the function `macsec_validate_skb` to fail on PN=0 only if XPN is off. Signed-off-by: Era Mayflower <mayflowerera@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16Bluetooth: btusb: print Intel fw build version in power-on bootSukumar Ghorai1-1/+8
To determine the build version of Bluetooth firmware to ensure reported issue related to a particular release. This is very helpful for every fw downloaded to BT controller and issue reported from field test. Signed-off-by: Amit K Bag <amit.k.bag@intel.com> Signed-off-by: Sukumar Ghorai <sukumar.ghorai@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-03-16Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.gitKalle Valo35-198/+919
ath.git patches for v5.7. Major changes: ath10k * support for getting btcoex settings from Device Tree * support QCA9377 SDIO device ath11k * add HE rate accounting * add thermal sensor and cooling devices
2020-03-16Merge branch 'net-dsa-improve-serdes-integration'David S. Miller7-535/+667
Russell King says: ==================== net: dsa: improve serdes integration Depends on "net: mii clause 37 helpers". Andrew Lunn mentioned that the Serdes PCS found in Marvell DSA switches does not automatically update the switch MACs with the link parameters. Currently, the DSA code implements a work-around for this. This series improves the Serdes integration, making use of the recent phylink changes to support split MAC/PCS setups. One noticable improvement for userspace is that ethtool can now report the link partner's advertisement. This repost has no changes compared to the previous posting; however, the regression Andrew had found which exists even without this patch set has now been fixed by Andrew and merged into the net-next tree. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: dsa: mv88e6xxx: use PHY_DETECT in mac_link_up/mac_link_downRussell King1-24/+29
Use the status of the PHY_DETECT bit to determine whether we need to force the MAC settings in mac_link_up() and mac_link_down(). Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: dsa: mv88e6xxx: remove port_link_state functionsRussell King4-232/+0
The port_link_state method is only used by mv88e6xxx_port_setup_mac(), which is now only called during port setup, rather than also being called via phylink's mac_config method. Remove this now unnecessary optimisation, which allows us to remove the port_link_state methods as well. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: dsa: mv88e6xxx: combine port_set_speed and port_set_duplexRussell King4-145/+107
Setting the speed independently of duplex makes little sense; the two parameters result from negotiation or fixed setup, and may have inter- dependencies. Moreover, they are always controlled via the same register - having them split means we have to read-modify-write this register twice. Combine the two operations into a single port_set_speed_duplex() operation. Not only is this more efficient, it reduces the size of the code as well. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: dsa: mv88e6xxx: fix Serdes link changesRussell King2-21/+13
phylink_mac_change() is supposed to be called with a 'false' argument if the link has gone down since it was last reported up; this is to ensure that link events along with renegotiation events are always correctly reported to userspace. Read the BMSR once when we have an interrupt, and report the link latched status to phylink via phylink_mac_change(). phylink will deal automatically with re-reading the link state once it has processed the link-down event. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: dsa: mv88e6xxx: extend phylink to Serdes PHYsRussell King4-74/+480
Extend the mv88e6xxx phylink implementation down to Serdes PHYs, which handle the PCS layer of such links. - Implement phylink PCS link state reading, so that we can provide ethtool with the linkmodes and link speed in the expected manner. Note: this will only be called for in-band negotiation, which is only supported by the serdes interfaces. - Implement phylink PCS configuration, so that the in-band AN and advertisement can be configured. - Implement phylink PCS negotiation restart, so that the in-band AN can be restarted. - Implement phylink PCS link up, so that when operating out-of-band, the Serdes can be configured for the appropriate fixed speed mode. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: dsa: mv88e6xxx: configure interface settings in mac_configRussell King1-32/+35
Only configure the interface settings in mac_config(), leaving the speed and duplex settings to mac_link_up to deal with. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: dsa: mv88e6xxx: use BMCR definitions for serdes control registerRussell King2-14/+5
The SGMII/1000base-X serdes register set is a clause 22 register set offset at 0x2000 in the PHYXS device. Rather than inventing our own defintions, use those that already exist, and name the register MV88E6390_SGMII_BMCR. Also remove the unused MV88E6390_SGMII_STATUS definitions. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: dsa: warn if phylink_mac_link_state returns errorRussell King1-1/+6
Issue a warning to the kernel log if phylink_mac_link_state() returns an error. This should not occur, but let's make it visible. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16Merge branch 'net-mii-clause-37-helpers'David S. Miller1-18/+39
Russell King says: ==================== net: mii clause 37 helpers This is a re-post of two patches that are common to two series that I've sent in recent weeks; I'm re-posting them separately in the hope that they can be merged. No changes from either of the previous postings. These patches: 1. convert the existing (unused) mii_lpa_to_ethtool_lpa_x() function to a linkmode variant. 2. add a helper for clause 37 advertisements, supporting both the 1000baseX and defacto 2500baseX variants. Note that ethtool does not support half duplex for either of these, and we make no effort to do so. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: mii: add linkmode_adv_to_mii_adv_x()Russell King1-0/+20
Add a helper to convert a linkmode advertisement to a clause 37 advertisement value for 1000base-x and 2500base-x. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: mii: convert mii_lpa_to_ethtool_lpa_x() to linkmode variantRussell King1-18/+19
Add a LPA to linkmode decoder for 1000BASE-X protocols; this decoder only provides the modify semantics similar to other such decoders. This replaces the unused mii_lpa_to_ethtool_lpa_x() helper. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-15netfilter: conntrack: re-visit sysctls in unprivileged namespacesFlorian Westphal1-11/+8
since commit b884fa46177659 ("netfilter: conntrack: unify sysctl handling") conntrack no longer exposes most of its sysctls (e.g. tcp timeouts settings) to network namespaces that are not owned by the initial user namespace. This patch exposes all sysctls even if the namespace is unpriviliged. compared to a 4.19 kernel, the newly visible and writeable sysctls are: net.netfilter.nf_conntrack_acct net.netfilter.nf_conntrack_timestamp .. to allow to enable accouting and timestamp extensions. net.netfilter.nf_conntrack_events .. to turn off conntrack event notifications. net.netfilter.nf_conntrack_checksum .. to disable checksum validation. net.netfilter.nf_conntrack_log_invalid .. to enable logging of packets deemed invalid by conntrack. newly visible sysctls that are only exported as read-only: net.netfilter.nf_conntrack_count .. current number of conntrack entries living in this netns. net.netfilter.nf_conntrack_max .. global upperlimit (maximum size of the table). net.netfilter.nf_conntrack_buckets .. size of the conntrack table (hash buckets). net.netfilter.nf_conntrack_expect_max .. maximum number of permitted expectations in this netns. net.netfilter.nf_conntrack_helper .. conntrack helper auto assignment. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-03-15netfilter: nft_lookup: update element stateful expressionPablo Neira Ayuso1-0/+1
If the set element comes with an stateful expression, update it. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-03-15netfilter: nf_tables: add nft_set_elem_update_expr() helper functionPablo Neira Ayuso2-7/+13
This helper function runs the eval path of the stateful expression of an existing set element. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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