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path: root/drivers/net/ethernet/freescale/fman
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2022-08-26net: fman: memac: Uninitialized variable on error pathDan Carpenter
The "fixed_link" is only allocated sometimes but it's freed unconditionally in the error handling. Set it to NULL so we don't free uninitialized data. Fixes: 9ea4742a55ca ("net: fman: Configure fixed link in memac_initialization") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Sean Anderson <sean.anderson@seco.com> Link: https://lore.kernel.org/r/Ywd2X6gdKmTfYBxD@kili Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: memac: Use params instead of priv for max_speedSean Anderson
This option is present in params, so use it instead of the fman private version. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: Export/rename some common functionsSean Anderson
In preparation for moving each of the initialization functions to their own file, export some common functions so they can be re-used. This adds an fman prefix to set_multi to make it a bit less genericly-named. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: Configure fixed link in memac_initializationSean Anderson
memac is the only mac which parses fixed links. Move the parsing/configuring to its initialization function. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: Move struct dev to mac_deviceSean Anderson
Move the reference to our device to mac_device. This way, macs can use it in their log messages. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: Store initialization function in match dataSean Anderson
Instead of re-matching the compatible string in order to determine the init function, just store it in the match data. The separate setup functions aren't needed anymore. Merge their content into init as well. To ensure everything compiles correctly, we move them to the bottom of the file. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: Get PCS node in per-mac initSean Anderson
This moves the reading of the PCS property out of the generic probe and into the mac-specific initialization function. This reduces the mac-specific jobs done in the top-level probe function. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: dtsec: Always gracefully stop/startSean Anderson
There are two ways that GRS can be set: graceful_stop and dtsec_isr. It is cleared by graceful_start. If it is already set before calling graceful_stop, then that means that dtsec_isr set it. In that case, we will not set GRS nor will we clear it (which seems like a bug?). For GTS the logic is similar, except that there is no one else messing with this bit (so we will always set and clear it). Simplify the logic by always setting/clearing GRS/GTS. This is less racy that the previous behavior, and ensures that we always end up clearing the bits. This can of course clear GRS while dtsec_isr is waiting, but because we have already done our own waiting it should be fine. This is the last user of enum comm_mode, so remove it. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Tested-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: Store en/disable in mac_device instead of mac_priv_sSean Anderson
All macs use the same start/stop functions. The actual mac-specific code lives in enable/disable. Move these functions to an appropriate struct, and inline the phy enable/disable calls to the caller of start/stop. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Tested-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: Don't pass comm_mode to enable/disableSean Anderson
mac_priv_s->enable() and ->disable() are always called with a comm_mode of COMM_MODE_RX_AND_TX. Remove this parameter, and refactor the macs appropriately. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Tested-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-19net: fman: Convert to SPDX identifiersSean Anderson
This converts the license text of files in the fman directory to use SPDX license identifiers instead. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Tested-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Merge in fixes directly in prep for the 5.17 merge window. No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-06fsl/fman: Check for null pointer after calling devm_ioremapJiasheng Jiang
As the possible failure of the allocation, the devm_ioremap() may return NULL pointer. Take tgec_initialization() as an example. If allocation fails, the params->base_addr will be NULL pointer and will be assigned to tgec->regs in tgec_config(). Then it will cause the dereference of NULL pointer in set_mac_address(), which is called by tgec_init(). Therefore, it should be better to add the sanity check after the calling of the devm_ioremap(). Fixes: 3933961682a3 ("fsl/fman: Add FMan MAC driver") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-12-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c commit 077cdda764c7 ("net/mlx5e: TC, Fix memory leak with rules with internal port") commit 31108d142f36 ("net/mlx5: Fix some error handling paths in 'mlx5e_tc_add_fdb_flow()'") commit 4390c6edc0fb ("net/mlx5: Fix some error handling paths in 'mlx5e_tc_add_fdb_flow()'") https://lore.kernel.org/all/20211229065352.30178-1-saeed@kernel.org/ net/smc/smc_wr.c commit 49dc9013e34b ("net/smc: Use the bitmap API when applicable") commit 349d43127dac ("net/smc: fix kernel panic caused by race of smc_sock") bitmap_zero()/memset() is removed by the fix Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-30fsl/fman: Fix missing put_device() call in fman_port_probeMiaoqian Lin
The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add the corresponding 'put_device()' in the and error handling paths. Fixes: 18a6c85fcc78 ("fsl/fman: Add FMan Port Support") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-12-27fsl/fman: Use platform_get_irq() to get the interruptLad Prabhakar
platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static allocation of IRQ resources in DT core code, this causes an issue when using hierarchical interrupt domains using "interrupts" property in the node as this bypasses the hierarchical setup and messes up the irq chaining. In preparation for removal of static setup of IRQ resource from DT core code use platform_get_irq(). While doing so return error pointer from read_dts_node() as platform_get_irq() may return -EPROBE_DEFER. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-14ethernet: constify references to netdev->dev_addr in driversJakub Kicinski
This big patch sprinkles const on local variables and function arguments which may refer to netdev->dev_addr. Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. To maintain netdev->dev_addr in this tree we need to make all the writes to it got through appropriate helpers. Some of the changes here are not strictly required - const is sometimes cast off but pointer is not used for writing. It seems like it's still better to add the const in case the code changes later or relevant -W flags get enabled for the build. No functional changes. Link: https://lore.kernel.org/r/20211014142432.449314-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-07-20fsl/fman: Add fibre supportMaxim Kochetkov
Set SUPPORTED_FIBRE to mac_dev->if_support. It allows proper usage of PHYs with optical/fiber support. Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru> Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-13of: net: pass the dst buffer to of_get_mac_address()Michael Walle
of_get_mac_address() returns a "const void*" pointer to a MAC address. Lately, support to fetch the MAC address by an NVMEM provider was added. But this will only work with platform devices. It will not work with PCI devices (e.g. of an integrated root complex) and esp. not with DSA ports. There is an of_* variant of the nvmem binding which works without devices. The returned data of a nvmem_cell_read() has to be freed after use. On the other hand the return of_get_mac_address() points to some static data without a lifetime. The trick for now, was to allocate a device resource managed buffer which is then returned. This will only work if we have an actual device. Change it, so that the caller of of_get_mac_address() has to supply a buffer where the MAC address is written to. Unfortunately, this will touch all drivers which use the of_get_mac_address(). Usually the code looks like: const char *addr; addr = of_get_mac_address(np); if (!IS_ERR(addr)) ether_addr_copy(ndev->dev_addr, addr); This can then be simply rewritten as: of_get_mac_address(np, ndev->dev_addr); Sometimes is_valid_ether_addr() is used to test the MAC address. of_get_mac_address() already makes sure, it just returns a valid MAC address. Thus we can just test its return code. But we have to be careful if there are still other sources for the MAC address before the of_get_mac_address(). In this case we have to keep the is_valid_ether_addr() call. The following coccinelle patch was used to convert common cases to the new style. Afterwards, I've manually gone over the drivers and fixed the return code variable: either used a new one or if one was already available use that. Mansour Moufid, thanks for that coccinelle patch! <spml> @a@ identifier x; expression y, z; @@ - x = of_get_mac_address(y); + x = of_get_mac_address(y, z); <... - ether_addr_copy(z, x); ...> @@ identifier a.x; @@ - if (<+... x ...+>) {} @@ identifier a.x; @@ if (<+... x ...+>) { ... } - else {} @@ identifier a.x; expression e; @@ - if (<+... x ...+>@e) - {} - else + if (!(e)) {...} @@ expression x, y, z; @@ - x = of_get_mac_address(y, z); + of_get_mac_address(y, z); ... when != x </spml> All drivers, except drivers/net/ethernet/aeroflex/greth.c, were compile-time tested. Suggested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-01-12fsl/fman: Add MII mode support.Maxim Kochetkov
Set proper value to IF_MODE register for MII mode. Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru> Link: https://lore.kernel.org/r/20210111043903.8044-1-fido_max@inbox.ru Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-04ethernet: select CONFIG_CRC32 as neededArnd Bergmann
A number of ethernet drivers require crc32 functionality to be avaialable in the kernel, causing a link error otherwise: arm-linux-gnueabi-ld: drivers/net/ethernet/agere/et131x.o: in function `et1310_setup_device_for_multicast': et131x.c:(.text+0x5918): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/cadence/macb_main.o: in function `macb_start_xmit': macb_main.c:(.text+0x4b88): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/faraday/ftgmac100.o: in function `ftgmac100_set_rx_mode': ftgmac100.c:(.text+0x2b38): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/freescale/fec_main.o: in function `set_multicast_list': fec_main.c:(.text+0x6120): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/freescale/fman/fman_dtsec.o: in function `dtsec_add_hash_mac_address': fman_dtsec.c:(.text+0x830): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/freescale/fman/fman_dtsec.o:fman_dtsec.c:(.text+0xb68): more undefined references to `crc32_le' follow arm-linux-gnueabi-ld: drivers/net/ethernet/netronome/nfp/nfpcore/nfp_hwinfo.o: in function `nfp_hwinfo_read': nfp_hwinfo.c:(.text+0x250): undefined reference to `crc32_be' arm-linux-gnueabi-ld: nfp_hwinfo.c:(.text+0x288): undefined reference to `crc32_be' arm-linux-gnueabi-ld: drivers/net/ethernet/netronome/nfp/nfpcore/nfp_resource.o: in function `nfp_resource_acquire': nfp_resource.c:(.text+0x144): undefined reference to `crc32_be' arm-linux-gnueabi-ld: nfp_resource.c:(.text+0x158): undefined reference to `crc32_be' arm-linux-gnueabi-ld: drivers/net/ethernet/nxp/lpc_eth.o: in function `lpc_eth_set_multicast_list': lpc_eth.c:(.text+0x1934): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/rocker/rocker_ofdpa.o: in function `ofdpa_flow_tbl_do': rocker_ofdpa.c:(.text+0x2e08): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/rocker/rocker_ofdpa.o: in function `ofdpa_flow_tbl_del': rocker_ofdpa.c:(.text+0x3074): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/rocker/rocker_ofdpa.o: in function `ofdpa_port_fdb': arm-linux-gnueabi-ld: drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.o: in function `mlx5dr_ste_calc_hash_index': dr_ste.c:(.text+0x354): undefined reference to `crc32_le' arm-linux-gnueabi-ld: drivers/net/ethernet/microchip/lan743x_main.o: in function `lan743x_netdev_set_multicast': lan743x_main.c:(.text+0x5dc4): undefined reference to `crc32_le' Add the missing 'select CRC32' entries in Kconfig for each of them. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com> Acked-by: Mark Einon <mark.einon@gmail.com> Acked-by: Simon Horman <simon.horman@netronome.com> Link: https://lore.kernel.org/r/20201203232114.1485603-1-arnd@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-09-25drivers/net/ethernet: clean up mis-targeted commentsJesse Brandeburg
As part of the W=1 cleanups for ethernet, a million [*] driver comments had to be cleaned up to get the W=1 compilation to succeed. This change finally makes the drivers/net/ethernet tree compile with W=1 set on the command line. NOTE: The kernel uses kdoc style (see Documentation/process/kernel-doc.rst) when documenting code, not doxygen or other styles. After this patch the x86_64 build has no warnings from W=1, however scripts/kernel-doc says there are 1545 more warnings in source files, that I need to develop a script to fix in a followup patch. The errors fixed here are all kdoc of a few classes, with a few outliers: In file included from drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c:10: drivers/net/ethernet/qlogic/netxen/netxen_nic.h:1193:18: warning: ‘FW_DUMP_LEVELS’ defined but not used [-Wunused-const-variable=] 1193 | static const u32 FW_DUMP_LEVELS[] = { 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff }; | ^~~~~~~~~~~~~~ ... repeats 4 times... drivers/net/ethernet/sun/cassini.c:2084:24: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body] 2084 | RX_USED_ADD(page, i); drivers/net/ethernet/natsemi/ns83820.c: In function ‘phy_intr’: drivers/net/ethernet/natsemi/ns83820.c:603:6: warning: variable ‘tbisr’ set but not used [-Wunused-but-set-variable] 603 | u32 tbisr, tanar, tanlpar; | ^~~~~ drivers/net/ethernet/natsemi/ns83820.c: In function ‘ns83820_get_link_ksettings’: drivers/net/ethernet/natsemi/ns83820.c:1207:11: warning: variable ‘tanar’ set but not used [-Wunused-but-set-variable] 1207 | u32 cfg, tanar, tbicr; | ^~~~~ drivers/net/ethernet/packetengines/yellowfin.c:1063:18: warning: variable ‘yf_size’ set but not used [-Wunused-but-set-variable] 1063 | int data_size, yf_size; | ^~~~~~~ Normal kdoc fixes: warning: Function parameter or member 'x' not described in 'y' warning: Excess function parameter 'x' description in 'y' warning: Cannot understand <string> on line <NNN> - I thought it was a doc line [*] - ok it wasn't quite a million, but it felt like it. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-23treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-08-03fsl/fman: fix eth hash table allocationFlorinel Iordache
Fix memory allocation for ethernet address hash table. The code was wrongly allocating an array for eth hash table which is incorrect because this is the main structure for eth hash table (struct eth_hash_t) that contains inside a number of elements. Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support") Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-03fsl/fman: check dereferencing null pointerFlorinel Iordache
Add a safe check to avoid dereferencing null pointer Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support") Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-03fsl/fman: fix unreachable codeFlorinel Iordache
The parameter 'priority' is incorrectly forced to zero which ultimately induces logically dead code in the subsequent lines. Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support") Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-03fsl/fman: fix dereference null return valueFlorinel Iordache
Check before using returned value to avoid dereferencing null pointer. Fixes: 18a6c85fcc78 ("fsl/fman: Add FMan Port Support") Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-03fsl/fman: use 32-bit unsigned integerFlorinel Iordache
Potentially overflowing expression (ts_freq << 16 and intgr << 16) declared as type u32 (32-bit unsigned) is evaluated using 32-bit arithmetic and then used in a context that expects an expression of type u64 (64-bit unsigned) which ultimately is used as 16-bit unsigned by typecasting to u16. Fixed by using an unsigned 32-bit integer since the value is truncated anyway in the end. Fixes: 414fd46e7762 ("fsl/fman: Add FMan support") Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Overlapping header include additions in macsec.c A bug fix in 'net' overlapping with the removal of 'version' string in ena_netdev.c Overlapping test additions in selftests Makefile Overlapping PCI ID table adjustments in iwlwifi driver. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-16net: fsl/fman: treat all RGMII modes in memac_adjust_link()Madalin Bucur
Treat all internal delay variants the same as RGMII. Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Minor overlapping changes, nothing serious. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08fsl/fman: tolerate missing MAC address in device treeMadalin Bucur
Allow the initialization of the MAC to be performed even if the device tree does not provide a valid MAC address. Later a random MAC address should be assigned by the Ethernet driver. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08fsl/fman: reuse set_mac_address() in dtsec init()Madalin Bucur
Reuse the set_mac_address() in the init() function. Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-06fsl/fman: detect FMan erratum A050385Madalin Bucur
Detect the presence of the A050385 erratum. Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Minor conflict in mlx5 because changes happened to code that has moved meanwhile. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23net: fsl/fman: rename IF_MODE_XGMII to IF_MODE_10GMadalin Bucur
As the only 10G PHY interface type defined at the moment the code was developed was XGMII, although the PHY interface mode used was not XGMII, XGMII was used in the code to denote 10G. This patch renames the 10G interface mode to remove the ambiguity. Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-02fsl/fman: use resource_sizeJulia Lawall
Use resource_size rather than a verbose computation on the end and start fields. The semantic patch that makes these changes is as follows: (http://coccinelle.lip6.fr/) <smpl> @@ struct resource ptr; @@ - (ptr.end + 1 - ptr.start) + resource_size(&ptr) @@ struct resource *ptr; @@ - (ptr->end + 1 - ptr->start) + resource_size(ptr) </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-04net: of_get_phy_mode: Change API to solve int/unit warningsAndrew Lunn
Before this change of_get_phy_mode() returned an enum, phy_interface_t. On error, -ENODEV etc, is returned. If the result of the function is stored in a variable of type phy_interface_t, and the compiler has decided to represent this as an unsigned int, comparision with -ENODEV etc, is a signed vs unsigned comparision. Fix this problem by changing the API. Make the function return an error, or 0 on success, and pass a pointer, of type phy_interface_t, where the phy mode should be stored. v2: Return with *interface set to PHY_INTERFACE_MODE_NA on error. Add error checks to all users of of_get_phy_mode() Fixup a few reverse christmas tree errors Fixup a few slightly malformed reverse christmas trees v3: Fix 0-day reported errors. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-24fsl/fman: remove unused struct memberMadalin Bucur
Remove unused struct member second_largest_buf_size. Also, an out of bounds access would have occurred in the removed code if there was only one buffer pool in use. Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-24fsl/fman: add API to get the device behind a fman portLaurentiu Tudor
Add an API that retrieves the 'struct device' that the specified FMan port probed against. The new API will be used in a subsequent patch that corrects the DMA devices used by the dpaa_eth driver. Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-24fsl/fman: don't touch liodn base regs reserved on non-PAMU SoCsLaurentiu Tudor
The liodn base registers are specific to PAMU based NXP systems and are reserved on SMMU based ones. Don't access them unless PAMU is compiled in. Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-25fsl/fman: Remove comment referring to non-existent functionChris Packham
fm_set_max_frm() existed in the Freescale SDK as a callback for an early_param. When this code was ported to the upstream kernel the early_param was converted to a module_param making the reference to the function incorrect. The rest of the comment already does a good job of explaining the parameter so removing the reference to the non-existent function seems like the best thing to do. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-28fsl/fman: include IPSEC SPI in the Keygen extractionMadalin Bucur
The keygen extracted fields are used as input for the hash that determines the incoming frames distribution. Adding IPSEC SPI so different IPSEC flows can be distributed to different CPUs. Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-10net: ethernet: fix similar warning reported by kbuild test robotPetr Štetiar
This patch fixes following (similar) warning reported by kbuild test robot: In function ‘memcpy’, inlined from ‘smsc75xx_init_mac_address’ at drivers/net/usb/smsc75xx.c:778:3, inlined from ‘smsc75xx_bind’ at drivers/net/usb/smsc75xx.c:1501:2: ./include/linux/string.h:355:9: warning: argument 2 null where non-null expected [-Wnonnull] return __builtin_memcpy(p, q, size); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/usb/smsc75xx.c: In function ‘smsc75xx_bind’: ./include/linux/string.h:355:9: note: in a call to built-in function ‘__builtin_memcpy’ I've replaced the offending memcpy with ether_addr_copy, because I'm 100% sure, that of_get_mac_address can't return NULL as it returns valid pointer or ERR_PTR encoded value, nothing else. I'm hesitant to just change IS_ERR into IS_ERR_OR_NULL check, as this would make the warning disappear also, but it would be confusing to check for impossible return value just to make a compiler happy. I'm now changing all occurencies of memcpy to ether_addr_copy after the of_get_mac_address call, as it's very likely, that we're going to get similar reports from kbuild test robot in the future. Fixes: a51645f70f63 ("net: ethernet: support of_get_mac_address new ERR_PTR error") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Petr Štetiar <ynezz@true.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-07net: ethernet: support of_get_mac_address new ERR_PTR errorPetr Štetiar
There was NVMEM support added to of_get_mac_address, so it could now return ERR_PTR encoded error values, so we need to adjust all current users of of_get_mac_address to this new fact. While at it, remove superfluous is_valid_ether_addr as the MAC address returned from of_get_mac_address is always valid and checked by is_valid_ether_addr anyway. Fixes: d01f449c008a ("of_net: add NVMEM support to of_get_mac_address") Signed-off-by: Petr Štetiar <ynezz@true.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-03-03fsl/fman: Use vsprintf extension %pMJoe Perches
Make logging of an ethernet address more consistent with the rest of the kernel. Miscellanea: The %02hx use also did not quite match the u8 definition of addr though that did not actually matter given normal integer promotion rules. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-28fsl/fman: Use GFP_ATOMIC in {memac,tgec}_add_hash_mac_address()Scott Wood
These functions are called from atomic context: [ 9.150239] BUG: sleeping function called from invalid context at /home/scott/git/linux/mm/slab.h:421 [ 9.158159] in_atomic(): 1, irqs_disabled(): 0, pid: 4432, name: ip [ 9.163128] CPU: 8 PID: 4432 Comm: ip Not tainted 4.20.0-rc2-00169-g63d86876f324 #29 [ 9.163130] Call Trace: [ 9.170701] [c0000002e899a980] [c0000000009c1068] .dump_stack+0xa8/0xec (unreliable) [ 9.177140] [c0000002e899aa10] [c00000000007a7b4] .___might_sleep+0x138/0x164 [ 9.184440] [c0000002e899aa80] [c0000000001d5bac] .kmem_cache_alloc_trace+0x238/0x30c [ 9.191216] [c0000002e899ab40] [c00000000065ea1c] .memac_add_hash_mac_address+0x104/0x198 [ 9.199464] [c0000002e899abd0] [c00000000065a788] .set_multi+0x1c8/0x218 [ 9.206242] [c0000002e899ac80] [c0000000006615ec] .dpaa_set_rx_mode+0xdc/0x17c [ 9.213544] [c0000002e899ad00] [c00000000083d2b0] .__dev_set_rx_mode+0x80/0xd4 [ 9.219535] [c0000002e899ad90] [c00000000083d334] .dev_set_rx_mode+0x30/0x54 [ 9.225271] [c0000002e899ae10] [c00000000083d4a0] .__dev_open+0x148/0x1c8 [ 9.230751] [c0000002e899aeb0] [c00000000083d934] .__dev_change_flags+0x19c/0x1e0 [ 9.230755] [c0000002e899af60] [c00000000083d9a4] .dev_change_flags+0x2c/0x80 [ 9.242752] [c0000002e899aff0] [c0000000008554ec] .do_setlink+0x350/0xf08 [ 9.248228] [c0000002e899b170] [c000000000857ad0] .rtnl_newlink+0x588/0x7e0 [ 9.253965] [c0000002e899b740] [c000000000852424] .rtnetlink_rcv_msg+0x3e0/0x498 [ 9.261440] [c0000002e899b820] [c000000000884790] .netlink_rcv_skb+0x134/0x14c [ 9.267607] [c0000002e899b8e0] [c000000000851840] .rtnetlink_rcv+0x18/0x2c [ 9.274558] [c0000002e899b950] [c000000000883c8c] .netlink_unicast+0x214/0x318 [ 9.281163] [c0000002e899ba00] [c000000000884220] .netlink_sendmsg+0x348/0x444 [ 9.287076] [c0000002e899bae0] [c00000000080d13c] .sock_sendmsg+0x2c/0x54 [ 9.287080] [c0000002e899bb50] [c0000000008106c0] .___sys_sendmsg+0x2d0/0x2d8 [ 9.298375] [c0000002e899bd30] [c000000000811a80] .__sys_sendmsg+0x5c/0xb0 [ 9.303939] [c0000002e899be20] [c0000000000006b0] system_call+0x60/0x6c Signed-off-by: Scott Wood <oss@buserror.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Several conflicts, seemingly all over the place. I used Stephen Rothwell's sample resolutions for many of these, if not just to double check my own work, so definitely the credit largely goes to him. The NFP conflict consisted of a bug fix (moving operations past the rhashtable operation) while chaning the initial argument in the function call in the moved code. The net/dsa/master.c conflict had to do with a bug fix intermixing of making dsa_master_set_mtu() static with the fixing of the tagging attribute location. cls_flower had a conflict because the dup reject fix from Or overlapped with the addition of port range classifiction. __set_phy_supported()'s conflict was relatively easy to resolve because Andrew fixed it in both trees, so it was just a matter of taking the net-next copy. Or at least I think it was :-) Joe Stringer's fix to the handling of netns id 0 in bpf_sk_lookup() intermixed with changes on how the sdif and caller_net are calculated in these code paths in net-next. The remaining BPF conflicts were largely about the addition of the __bpf_md_ptr stuff in 'net' overlapping with adjustments and additions to the relevant data structure where the MD pointer macros are used. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-04ethernet: fman: fix wrong of_node_put() in probe functionNicolas Saenz Julienne
After getting a reference to the platform device's of_node the probe function ends up calling of_find_matching_node() using the node as an argument. The function takes care of decreasing the refcount on it. We are then incorrectly decreasing the refcount on that node again. This patch removes the unwarranted call to of_node_put(). Fixes: 414fd46e7762 ("fsl/fman: Add FMan support") Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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