B.A.T.M.A.N

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4308 discussions

[B.A.T.M.A.N.] [PATCH 0/7] pull request for net-next: batman-adv 2018-07-17
by Simon Wunderlich 18 Jul '18

18 Jul '18

Hi David, here is a little cleanup pull request of batman-adv to go into net-next. Please pull or let me know of any problem! Thank you, Simon The following changes since commit ce397d215ccd07b8ae3f71db689aedb85d56ab40: Linux 4.18-rc1 (2018-06-17 08:04:49 +0900) are available in the git repository at: git://git.open-mesh.org/linux-merge.git tags/batadv-next-for-davem-20180717 for you to fetch changes up to 993a4a5f7cd3aef53be3953d11f86b2d3630ebb8: batman-adv: Convert batadv_dat_addr_t to proper type (2018-07-08 12:56:38 +0200) ---------------------------------------------------------------- This feature/cleanup patchset includes the following patches: - Don't call BATMAN_V experimental in Kconfig anymore, by Sven Eckelmann - Enable DAT by default at compile time, by Antonio Quartulli - Remove obsolete default n in Kconfig, by Sven Eckelmann - Fix checkpatch spelling errors, by Sven Eckelmann - Unify header guards style, by Sven Eckelmann - Consolidate batadv_purge_orig functions, by Sven Eckelmann - Replace type define with proper typedef, by Sven Eckelmann ---------------------------------------------------------------- Antonio Quartulli (1): batman-adv: enable DAT by default at compile time Sven Eckelmann (6): batman-adv: Drop "experimental" from BATMAN_V Kconfig batman-adv: Remove "default n" in Kconfig batman-adv: fix checkpatch warning about misspelled "cache" batman-adv: Unify include guards style batman-adv: Join batadv_purge_orig_ref and _batadv_purge_orig batman-adv: Convert batadv_dat_addr_t to proper type net/batman-adv/Kconfig | 8 ++------ net/batman-adv/bat_iv_ogm.h | 6 +++--- net/batman-adv/bat_v_ogm.h | 6 +++--- net/batman-adv/debugfs.c | 2 +- net/batman-adv/originator.c | 17 ++++++----------- net/batman-adv/types.h | 7 ++++--- 6 files changed, 19 insertions(+), 27 deletions(-)

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[B.A.T.M.A.N.] [PATCH] batman-adv: fix checkpatch warning about misspelled "cache"
by Sven Eckelmann 17 Jul '18

17 Jul '18

commit a2d4df9b673c ("spelling.txt: add more spellings to spelling.txt") introduced the spellcheck of "cache" for checkpatch.pl. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> --- net/batman-adv/debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c index 87479c60..3cb82378 100644 --- a/net/batman-adv/debugfs.c +++ b/net/batman-adv/debugfs.c @@ -118,7 +118,7 @@ static int batadv_bla_backbone_table_open(struct inode *inode, #ifdef CONFIG_BATMAN_ADV_DAT /** - * batadv_dat_cache_open() - Prepare file handler for reads from dat_chache + * batadv_dat_cache_open() - Prepare file handler for reads from dat_cache * @inode: inode which was opened * @file: file handle to be initialized * -- 2.11.0

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[B.A.T.M.A.N.] [PATCH v2 1/2] batman-adv: Remove "default n" in Kconfig
by Sven Eckelmann 17 Jul '18

17 Jul '18

The "default n" is the default value for any bool or tristate Kconfig setting. It is therefore not necessary to add it to a config entry. Reported-by: Sergei Shtylyov <sergei.shtylyov(a)cogentembedded.com> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> --- v2: changed "the an config entry" to "a config entry" in commit message net/batman-adv/Kconfig | 5 ----- 1 file changed, 5 deletions(-) diff --git a/net/batman-adv/Kconfig b/net/batman-adv/Kconfig index de8034d80623..41bb67d70c83 100644 --- a/net/batman-adv/Kconfig +++ b/net/batman-adv/Kconfig @@ -24,7 +24,6 @@ config BATMAN_ADV depends on NET select CRC16 select LIBCRC32C - default n help B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is a routing protocol for multi-hop ad-hoc mesh networks. The @@ -60,7 +59,6 @@ config BATMAN_ADV_BLA config BATMAN_ADV_DAT bool "Distributed ARP Table" depends on BATMAN_ADV && INET - default n help This option enables DAT (Distributed ARP Table), a DHT based mechanism that increases ARP reliability on sparse wireless @@ -70,7 +68,6 @@ config BATMAN_ADV_DAT config BATMAN_ADV_NC bool "Network Coding" depends on BATMAN_ADV - default n help This option enables network coding, a mechanism that aims to increase the overall network throughput by fusing multiple @@ -84,7 +81,6 @@ config BATMAN_ADV_NC config BATMAN_ADV_MCAST bool "Multicast optimisation" depends on BATMAN_ADV && INET && !(BRIDGE=m && BATMAN_ADV=y) - default n help This option enables the multicast optimisation which aims to reduce the air overhead while improving the reliability of @@ -94,7 +90,6 @@ config BATMAN_ADV_DEBUGFS bool "batman-adv debugfs entries" depends on BATMAN_ADV depends on DEBUG_FS - default n help Enable this to export routing related debug tables via debugfs. The information for each soft-interface and used hard-interface can be -- 2.17.0

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[B.A.T.M.A.N.] [RFC 0/2] batman-adv: Default build sync with Kconfig
by Sven Eckelmann 17 Jul '18

17 Jul '18

Hi, yes, this is a rather harsh reminder that you should keep your settings in Kconfig and the out-of-tree module Makefiles in sync. Please submit an alternate patch (with a good commit message) for net/batman-adv/Kconfig when you want to keep the feature enabled by default. Kind regards, Sven Sven Eckelmann (2): batman-adv: Disable DAT during compilation batman-adv: Disable MCAST during compilation Makefile | 4 ++-- README.external.rst | 4 ++-- gen-compat-autoconf.sh | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) -- 2.17.0

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[B.A.T.M.A.N.] [PATCH 0/3] batman-adv: Minor cleanups
by Sven Eckelmann 17 Jul '18

17 Jul '18

Hi, this mini patchset contains some minor cleanups which are on my HDD since a longer time but were never submitted. They still didn't reach a critical mass - but they will not get better with age. Kind regards, Sven Sven Eckelmann (3): batman-adv: Unify include guards style batman-adv: Join batadv_purge_orig_ref and _batadv_purge_orig batman-adv: Convert batadv_dat_addr_t to proper type net/batman-adv/bat_iv_ogm.h | 6 +++--- net/batman-adv/bat_v_ogm.h | 6 +++--- net/batman-adv/originator.c | 17 ++++++----------- net/batman-adv/types.h | 7 ++++--- 4 files changed, 16 insertions(+), 20 deletions(-) -- 2.18.0

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[B.A.T.M.A.N.] What is link throughput used for?
by dan 07 Jul '18

07 Jul '18

I'm not finding a document describing how link throughput is used in routing decisions but I see in 2016.1 setting this value (and the default of learning it) are described: Throughput override Available since: batman-adv 2016.1 Defines the throughput value to be used by B.A.T.M.A.N. V when estimating the link throughput for all neighbors connected to this interface. If the value is set to 0 then batman-adv will try to estimate the throughput by itself by either querying the WiFi driver or the Ethernet interface. B.A.T.M.A.N. IV ignores the setting entirely. cat /sys/class/net/eth0/batman_adv/throughput_override 0.0 MBit How is this used? Where's the documentation? Thanks.

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[B.A.T.M.A.N.] [PATCH] batman-adv: Don't redefine EPOLL*
by Sven Eckelmann 28 Jun '18

28 Jun '18

The commit 7e040726850a ("eventpoll.h: add missing epoll event masks") was backported to a couple of older kernels - including 4.4. The build against such kernel sources creates a lot of extra warnings about redefinitions of the different EPOLL* variables. Just disable the definition of these variables when they are already defined and drop the ones which are not used by batman-adv. Reported-by: Andre Kasper <andre.kasper(a)gmx.de> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> --- Cc: Andre Kasper <andre.kasper(a)gmx.de> --- compat-include/uapi/linux/eventpoll.h | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/compat-include/uapi/linux/eventpoll.h b/compat-include/uapi/linux/eventpoll.h index 1828feb4..3cf71a19 100644 --- a/compat-include/uapi/linux/eventpoll.h +++ b/compat-include/uapi/linux/eventpoll.h @@ -28,18 +28,13 @@ #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) +#ifndef EPOLLIN #define EPOLLIN (__force __poll_t)0x00000001 -#define EPOLLPRI (__force __poll_t)0x00000002 -#define EPOLLOUT (__force __poll_t)0x00000004 -#define EPOLLERR (__force __poll_t)0x00000008 -#define EPOLLHUP (__force __poll_t)0x00000010 -#define EPOLLNVAL (__force __poll_t)0x00000020 +#endif + +#ifndef EPOLLRDNORM #define EPOLLRDNORM (__force __poll_t)0x00000040 -#define EPOLLRDBAND (__force __poll_t)0x00000080 -#define EPOLLWRNORM (__force __poll_t)0x00000100 -#define EPOLLWRBAND (__force __poll_t)0x00000200 -#define EPOLLMSG (__force __poll_t)0x00000400 -#define EPOLLRDHUP (__force __poll_t)0x00002000 +#endif #endif /* < KERNEL_VERSION(4, 12, 0) */ -- 2.18.0

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Re: [B.A.T.M.A.N.] [PATCH v4 3/5] batman-adv: use BIT_ULL for NL80211_STA_INFO_* attribute types
by Sven Eckelmann 25 Jun '18

25 Jun '18

On Montag, 25. Juni 2018 14:31:19 CEST Omer Efrat wrote: > Sven Eckelmann wrote: > >Please fix the alignment: > > > >* Found wrong alignment at net/batman-adv/bat_v_elp.c:118, was 27 but expected 23 > > checkpatch script doesn't catch this error. > how do I see this? I saw it with my eyes. But the script bracket_align.py [1] prints the actual message. Kind regards, Sven [1] https://git.open-mesh.org/build_test.git/blob/HEAD:/testhelpers/bracket_ali…

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[B.A.T.M.A.N.] [PATCH] net: drivers/net: Convert random_ether_addr to eth_random_addr
by Joe Perches 23 Jun '18

23 Jun '18

random_ether_addr is a #define for eth_random_addr which is generally preferred in kernel code by ~3:1 Convert the uses of random_ether_addr to enable removing the #define Miscellanea: o Convert &vfmac[0] to equivalent vfmac and avoid unnecessary line wrap Signed-off-by: Joe Perches <joe(a)perches.com> --- drivers/net/ethernet/cavium/liquidio/lio_main.c | 5 ++--- drivers/net/ethernet/cortina/gemini.c | 2 +- drivers/net/ethernet/hisilicon/hip04_eth.c | 2 +- drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +- drivers/net/ethernet/microchip/lan743x_main.c | 2 +- drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c | 2 +- drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 2 +- drivers/net/ethernet/sfc/ef10_sriov.c | 2 +- drivers/net/ethernet/ti/cpsw.c | 2 +- drivers/net/ethernet/ti/netcp_core.c | 4 ++-- drivers/net/ntb_netdev.c | 2 +- drivers/net/usb/lan78xx.c | 2 +- drivers/net/wireless/ath/ath9k/hw.c | 2 +- net/batman-adv/bridge_loop_avoidance.c | 2 +- 14 files changed, 16 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index 8a815bb57177..7cb4e753829b 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -3569,9 +3569,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) for (j = 0; j < octeon_dev->sriov_info.max_vfs; j++) { u8 vfmac[ETH_ALEN]; - random_ether_addr(&vfmac[0]); - if (__liquidio_set_vf_mac(netdev, j, - &vfmac[0], false)) { + eth_random_addr(vfmac); + if (__liquidio_set_vf_mac(netdev, j, vfmac, false)) { dev_err(&octeon_dev->pci_dev->dev, "Error setting VF%d MAC address\n", j); diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 6d7404f66f84..ce1f04fdbf70 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -2435,7 +2435,7 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) port->mac_addr[0], port->mac_addr[1], port->mac_addr[2]); dev_info(dev, "using a random ethernet address\n"); - random_ether_addr(netdev->dev_addr); + eth_random_addr(netdev->dev_addr); } gmac_write_mac_address(netdev); diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index 340e28211135..14374a856d30 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -904,7 +904,7 @@ static int hip04_mac_probe(struct platform_device *pdev) hip04_config_port(ndev, SPEED_100, DUPLEX_FULL); hip04_config_fifo(priv); - random_ether_addr(ndev->dev_addr); + eth_random_addr(ndev->dev_addr); hip04_update_mac_address(ndev); ret = hip04_alloc_ring(ndev, d); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index c944bd10b03d..95e9dfbe9839 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11978,7 +11978,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) snprintf(netdev->name, IFNAMSIZ, "%.*sv%%d", IFNAMSIZ - 4, pf->vsi[pf->lan_vsi]->netdev->name); - random_ether_addr(mac_addr); + eth_random_addr(mac_addr); spin_lock_bh(&vsi->mac_filter_hash_lock); i40e_add_mac_filter(vsi, mac_addr); diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index dd947e4dd3ce..e1747a490066 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -828,7 +828,7 @@ static int lan743x_mac_init(struct lan743x_adapter *adapter) } if (!mac_address_valid) - random_ether_addr(adapter->mac_address); + eth_random_addr(adapter->mac_address); lan743x_mac_set_address(adapter, adapter->mac_address); ether_addr_copy(netdev->dev_addr, adapter->mac_address); return 0; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 0c744b9c6e0a..77e386ebff09 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -212,7 +212,7 @@ int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) vp->max_tx_bw = MAX_BW; vp->min_tx_bw = MIN_BW; vp->spoofchk = false; - random_ether_addr(vp->mac); + eth_random_addr(vp->mac); dev_info(&adapter->pdev->dev, "MAC Address %pM is configured for VF %d\n", vp->mac, i); diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index b9a7548ec6a0..0afc3d335d56 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -210,7 +210,7 @@ void rmnet_vnd_setup(struct net_device *rmnet_dev) rmnet_dev->netdev_ops = &rmnet_vnd_ops; rmnet_dev->mtu = RMNET_DFLT_PACKET_SIZE; rmnet_dev->needed_headroom = RMNET_NEEDED_HEADROOM; - random_ether_addr(rmnet_dev->dev_addr); + eth_random_addr(rmnet_dev->dev_addr); rmnet_dev->tx_queue_len = RMNET_TX_QUEUE_LEN; /* Raw IP mode */ diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index 019cef1d3cf7..8820be83ce85 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -199,7 +199,7 @@ static int efx_ef10_sriov_alloc_vf_vswitching(struct efx_nic *efx) return -ENOMEM; for (i = 0; i < efx->vf_count; i++) { - random_ether_addr(nic_data->vf[i].mac); + eth_random_addr(nic_data->vf[i].mac); nic_data->vf[i].efx = NULL; nic_data->vf[i].vlan = EFX_EF10_NO_VLAN; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 358edab9e72e..093998124149 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2927,7 +2927,7 @@ static int cpsw_probe_dual_emac(struct cpsw_priv *priv) dev_info(cpsw->dev, "cpsw: Detected MACID = %pM\n", priv_sl2->mac_addr); } else { - random_ether_addr(priv_sl2->mac_addr); + eth_random_addr(priv_sl2->mac_addr); dev_info(cpsw->dev, "cpsw: Random MACID = %pM\n", priv_sl2->mac_addr); } diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index e40aa3e31af2..6ebf110cd594 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -2052,7 +2052,7 @@ static int netcp_create_interface(struct netcp_device *netcp_device, if (is_valid_ether_addr(efuse_mac_addr)) ether_addr_copy(ndev->dev_addr, efuse_mac_addr); else - random_ether_addr(ndev->dev_addr); + eth_random_addr(ndev->dev_addr); devm_iounmap(dev, efuse); devm_release_mem_region(dev, res.start, size); @@ -2061,7 +2061,7 @@ static int netcp_create_interface(struct netcp_device *netcp_device, if (mac_addr) ether_addr_copy(ndev->dev_addr, mac_addr); else - random_ether_addr(ndev->dev_addr); + eth_random_addr(ndev->dev_addr); } ret = of_property_read_string(node_interface, "rx-channel", diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c index 306a662eba94..df8d49ad48c3 100644 --- a/drivers/net/ntb_netdev.c +++ b/drivers/net/ntb_netdev.c @@ -430,7 +430,7 @@ static int ntb_netdev_probe(struct device *client_dev) ndev->hw_features = ndev->features; ndev->watchdog_timeo = msecs_to_jiffies(NTB_TX_TIMEOUT_MS); - random_ether_addr(ndev->perm_addr); + eth_random_addr(ndev->perm_addr); memcpy(ndev->dev_addr, ndev->perm_addr, ndev->addr_len); ndev->netdev_ops = &ntb_netdev_ops; diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 8dff87ec6d99..a89570f34937 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -1720,7 +1720,7 @@ static void lan78xx_init_mac_address(struct lan78xx_net *dev) "MAC address read from EEPROM"); } else { /* generate random MAC */ - random_ether_addr(addr); + eth_random_addr(addr); netif_dbg(dev, ifup, dev->net, "MAC address set to random addr"); } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index e60bea4604e4..1665066f4e24 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -496,7 +496,7 @@ static void ath9k_hw_init_macaddr(struct ath_hw *ah) ath_err(common, "eeprom contains invalid mac address: %pM\n", common->macaddr); - random_ether_addr(common->macaddr); + eth_random_addr(common->macaddr); ath_err(common, "random mac address will be used: %pM\n", common->macaddr); diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index a2de5a44bd41..ff9659af6b91 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1449,7 +1449,7 @@ static void batadv_bla_periodic_work(struct work_struct *work) * detection frames. Set the locally administered bit to avoid * collisions with users mac addresses. */ - random_ether_addr(bat_priv->bla.loopdetect_addr); + eth_random_addr(bat_priv->bla.loopdetect_addr); bat_priv->bla.loopdetect_addr[0] = 0xba; bat_priv->bla.loopdetect_addr[1] = 0xbe; bat_priv->bla.loopdetect_lasttime = jiffies; -- 2.15.0

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[B.A.T.M.A.N.] Batman backport available for ARM boards / Yocto?
by Simon Vogl 22 Jun '18

22 Jun '18

Hi all, we have a bunch of ARM-based Linux boards running a 4.9 kernel and a we set up a mesh with protocol version IV; this more or less works, but I'd like to try the lastest b.a.t.m.an. release for testing. Has anyone written a bitbake recipe for compiling the standalone version yet? Thanks for any pointers, Simon -- VoXel Interaction Design | http://www.voxel.at/ DI Dr.techn. Simon Vogl | simon(a)voxel.at Tomaschekweg 46 | +43 650 2323 555 A-4040 Linz - Austria | Office address: Industriezeile 35, 4020 Linz (2nd floor)

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