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2020-01-09sfc: conditioned some functionalityAlex Maftei (amaftei)2-21/+32
Before calling certain function pointers, check that they are non-NULL. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09sfc: move MCDI receive queue management codeAlex Maftei (amaftei)3-93/+93
One function's prototype was changed in the header. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09sfc: move MCDI transmit queue management codeAlex Maftei (amaftei)2-85/+109
A function was split, the others were renamed. Code style fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09sfc: move MCDI event queue management codeAlex Maftei (amaftei)2-104/+116
A function was split, the others were renamed. Code style fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09sfc: move MCDI VI alloc/free codeAlex Maftei (amaftei)3-40/+68
One function was renamed here, the other contains code extracted from another. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09sfc: move more MCDI port codeAlex Maftei (amaftei)2-138/+139
Various functions dealing with flow control, forward error correction, polling, port number, and PHY testing. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09sfc: move some MCDI port utility functionsAlex Maftei (amaftei)2-148/+148
They just convert between different sets of flags/registers. Some block comments were adjusted. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09sfc: move some port link state/caps codeAlex Maftei (amaftei)4-195/+204
The moved code handles MCDI port link state and capabilities. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-09net: macb: add support for C45 MDIO read/writeMilind Parab2-15/+61
This patch modify MDIO read/write functions to support communication with C45 PHY. Signed-off-by: Milind Parab <mparab@cadence.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08vmxnet3: Remove always false conditional statementyuehaibing1-3/+1
param->rx_mini_pending is __u32 variable, it will never be less than zero. Signed-off-by: yuehaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08netronome: fix ipv6 link errorArnd Bergmann1-0/+1
When the driver is built-in but ipv6 is a module, the flower support produces a link error: drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.o: In function `nfp_tunnel_keep_alive_v6': tunnel_conf.c:(.text+0x2aa8): undefined reference to `nd_tbl' Add a Kconfig dependency to avoid that configuration. Fixes: 9ea9bfa12240 ("nfp: flower: support ipv6 tunnel keep-alive messages from fw") Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: dsa: felix: fix link errorArnd Bergmann1-0/+1
When the enetc driver is disabled, the mdio support fails to get built: drivers/net/dsa/ocelot/felix_vsc9959.o: In function `vsc9959_mdio_bus_alloc': felix_vsc9959.c:(.text+0x19c): undefined reference to `enetc_hw_alloc' felix_vsc9959.c:(.text+0x1d1): undefined reference to `enetc_mdio_read' felix_vsc9959.c:(.text+0x1d8): undefined reference to `enetc_mdio_write' Change the Makefile to enter the subdirectory for this as well. Fixes: bdeced75b13f ("net: dsa: felix: Add PCS operations for PHYLINK") Fixes: 6517798dd343 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08r8169: add constant EnAnaPLLHeiner Kallweit1-5/+3
Use constant EnAnaPLL for bit 14 as in vendor driver. The vendor driver sets this bit for chip version 02 only, but I'm not aware of any issues, so better leave it as it is. In addition remove the useless debug message. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08ethtool: potential NULL dereference in strset_prepare_data()Dan Carpenter1-0/+1
Smatch complains that the NULL checking isn't done consistently: net/ethtool/strset.c:253 strset_prepare_data() error: we previously assumed 'dev' could be null (see line 233) It looks like there is a missing return on this path. Fixes: 71921690f974 ("ethtool: provide string sets with STRSET_GET request") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08ethtool: fix ->reply_size() error handlingDan Carpenter1-2/+4
The "ret < 0" comparison is never true because "ret" is still zero. Fixes: 728480f12442 ("ethtool: default handlers for GET requests") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08ethtool: fix a memory leak in ethnl_default_start()Dan Carpenter1-3/+10
If ethnl_default_parse() fails then we need to free a couple memory allocations before returning. Fixes: 728480f12442 ("ethtool: default handlers for GET requests") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: dsa: b53: Enable Broadcom tags for 531x5/539x familiesFlorian Fainelli1-9/+37
The BCM531x5 and BCM539x families require that the IMP port be enabled within the management page and that management mode (SM_SW_FWD_MODE) be turned on. Once this is done, everything works as expected, including multicast with standalone DSA devices or bridge devices. Because such switches are frequencly cascaded with other internal Broadcom switches on which we want to enable Broadcom tags, update b53_can_enable_brcm_tags() to check the kind of DSA master tagging protocol being used, if it is one of the two supported Broadcom tagging protocols, force DSA_TAG_PROTO_NONE. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: dsa: Get information about stacked DSA protocolFlorian Fainelli20-29/+78
It is possible to stack multiple DSA switches in a way that they are not part of the tree (disjoint) but the DSA master of a switch is a DSA slave of another. When that happens switch drivers may have to know this is the case so as to determine whether their tagging protocol has a remove chance of working. This is useful for specific switch drivers such as b53 where devices have been known to be stacked in the wild without the Broadcom tag protocol supporting that feature. This allows b53 to continue supporting those devices by forcing the disabling of Broadcom tags on the outermost switches if necessary. The get_tag_protocol() function is therefore updated to gain an additional enum dsa_tag_protocol argument which denotes the current tagging protocol used by the DSA master we are attached to, else DSA_TAG_PROTO_NONE for the top of the dsa_switch_tree. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08bnxt_en: Call recovery done after reset is successfully doneVikas Gupta3-2/+14
Return EINPROGRESS to devlink health reporter recover as we are not yet done and call devlink_health_reporter_recovery_done once reset is successfully completed from workqueue context. Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08devlink: add devink notification when reporter update health stateVikas Gupta1-17/+42
add a devlink notification when reporter update the health state. Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08devlink: add support for reporter recovery completionVikas Gupta2-2/+11
It is possible that a reporter recovery completion do not finish successfully when recovery is triggered via devlink_health_reporter_recover as recovery could be processed in different context. In such scenario an error is returned by driver when recover hook is invoked and successful recovery completion is intimated later. Expose devlink recover done API to update recovery stats. Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: iwlwifi: use skb_list_walk_safe helper for gso segmentsJason A. Donenfeld1-7/+2
This is a straight-forward conversion case for the new function, and while we're at it, we can remove a null write to skb->next by replacing it with skb_mark_not_on_list. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: myri10ge: use skb_list_walk_safe helper for gso segmentsJason A. Donenfeld1-5/+3
This is a straight-forward conversion case for the new function, and while we're at it, we can remove a null write to skb->next by replacing it with skb_mark_not_on_list. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: sfc: use skb_list_walk_safe helper for gso segmentsJason A. Donenfeld1-5/+2
This is a straight-forward conversion case for the new function, and while we're at it, we can remove a null write to skb->next by replacing it with skb_mark_not_on_list. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: sunvnet: use skb_list_walk_safe helper for gso segmentsJason A. Donenfeld1-6/+3
This is a straight-forward conversion case for the new function, and while we're at it, we can remove a null write to skb->next by replacing it with skb_mark_not_on_list. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: tg3: use skb_list_walk_safe helper for gso segmentsJason A. Donenfeld1-7/+5
This is a straight-forward conversion case for the new function, and while we're at it, we can remove a null write to skb->next by replacing it with skb_mark_not_on_list. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: r8152: use skb_list_walk_safe helper for gso segmentsJason A. Donenfeld1-7/+5
This is a straight-forward conversion case for the new function, and while we're at it, we can remove a null write to skb->next by replacing it with skb_mark_not_on_list. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: tap: use skb_list_walk_safe helper for gso segmentsJason A. Donenfeld1-8/+6
This is a straight-forward conversion case for the new function, and while we're at it, we can remove a null write to skb->next by replacing it with skb_mark_not_on_list. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: introduce skb_list_walk_safe for skb segment walkingJason A. Donenfeld2-8/+5
As part of the continual effort to remove direct usage of skb->next and skb->prev, this patch adds a helper for iterating through the singly-linked variant of skb lists, which are used for lists of GSO packet. The name "skb_list_..." has been chosen to match the existing function, "kfree_skb_list, which also operates on these singly-linked lists, and the "..._walk_safe" part is the same idiom as elsewhere in the kernel. This patch removes the helper from wireguard and puts it into linux/skbuff.h, while making it a bit more robust for general usage. In particular, parenthesis are added around the macro argument usage, and it now accounts for trying to iterate through an already-null skb pointer, which will simply run the iteration zero times. This latter enhancement means it can be used to replace both do { ... } while and while (...) open-coded idioms. This should take care of these three possible usages, which match all current methods of iterations. skb_list_walk_safe(segs, skb, next) { ... } skb_list_walk_safe(skb, skb, next) { ... } skb_list_walk_safe(segs, skb, segs) { ... } Gcc appears to generate efficient code for each of these. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08socket: fix unused-function warningArnd Bergmann1-11/+12
When procfs is disabled, the fdinfo code causes a harmless warning: net/socket.c:1000:13: error: 'sock_show_fdinfo' defined but not used [-Werror=unused-function] static void sock_show_fdinfo(struct seq_file *m, struct file *f) Move the function definition up so we can use a single #ifdef around it. Fixes: b4653342b151 ("net: Allow to show socket-specific information in /proc/[pid]/fdinfo/[fd]") Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move common tx codeAlex Maftei (amaftei)3-296/+311
Once again, a tiny bit of refactoring was required to stitch the code together (i.e. adding headers). The moved code deals with managing tx queues and mappings. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move common rx codeAlex Maftei (amaftei)6-375/+383
The moved code deals with managing rx buffers and queues. A tiny bit of refactoring was required in other files to stitch the code together. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move event queue management codeAlex Maftei (amaftei)2-92/+91
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move channel interrupt management codeAlex Maftei (amaftei)2-316/+322
Small code styling fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move channel alloc/removal codeAlex Maftei (amaftei)5-435/+441
Reallocation and copying code is included, as well as some housekeeping code. Other files have been patched up a bit to accommodate the changes. Small code styling fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move channel start/stop codeAlex Maftei (amaftei)3-188/+190
Also includes interrupt enabling/disabling code. Small code styling fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move some channel-related codeAlex Maftei (amaftei)3-170/+190
Just a handful of function, but also removed many 'static' identifiers so the code builds. These will, of course, be moved. Module parameters for IRQ moderation threshold also moved. Small code styling fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move struct init and fini codeAlex Maftei (amaftei)2-371/+415
The hardware monitor code and the reset work queue code were also moved, with supporting macros and parameters, because they are assigned to function pointers in the struct. Small code styling fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move some device reset codeAlex Maftei (amaftei)2-227/+237
The rest of the reset code will be moved later. Small code styling fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move datapath management codeAlex Maftei (amaftei)2-303/+335
The code that manages the datapath (starting, stopping, including the port-related bits) will be common. Three functions have been added that contain bits from other functions. These will be moved to their final files in later patches. Small code styling fixes included. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move mac configuration and status functionsAlex Maftei (amaftei)2-44/+45
Two small functions with different purposes. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: move reset workqueue codeAlex Maftei (amaftei)3-17/+70
Small functions doing work that will be common, related to reset workqueue management. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: further preparation for code splitAlex Maftei (amaftei)2-26/+20
Added more arguments for a couple of functions. Also moved a function to the common header. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08sfc: add new headers in preparation for code splitAlex Maftei (amaftei)19-141/+365
New headers contain prototypes of functions that will be common between ef10 and upcoming driver. Removed static modifier from the affected functions. Some function prototypes were removed from existing headers. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08hsr: fix dummy hsr_debugfs_rename() declarationArnd Bergmann1-1/+1
The hsr_debugfs_rename prototype got an extra 'void' that needs to be removed again: In file included from /git/arm-soc/net/hsr/hsr_main.c:12: net/hsr/hsr_main.h:194:20: error: two or more data types in declaration specifiers static inline void void hsr_debugfs_rename(struct net_device *dev) Fixes: 4c2d5e33dcd3 ("hsr: rename debugfs file when interface name is changed") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net/ncsi: Send device address as source addressVijay Khemka1-1/+9
After receiving device mac address from device, send this as a source address for further commands instead of broadcast address. This will help in multi host NIC cards. Signed-off-by: Vijay Khemka <vijaykhemka@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-08net: 3com: 3c59x: remove set but not used variable 'mii_reg1'yu kuai1-2/+2
Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/3com/3c59x.c: In function ‘vortex_up’: drivers/net/ethernet/3com/3c59x.c:1551:9: warning: variable ‘mii_reg1’ set but not used [-Wunused-but-set-variable] It is never used, and so can be removed. Signed-off-by: yu kuai <yukuai3@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07net/rose: remove redundant assignment to variable failedColin Ian King1-1/+0
The variable failed is being assigned a value that is never read, the following goto statement jumps to the end of the function and variable failed is not referenced at all. Remove the redundant assignment. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07ptp: clockmatrix: Rework clockmatrix version information.Vincent Cheng2-64/+15
Simplify and fix the version information displayed by the driver. The new info better relects what is needed to support the hardware. Prev: Version: 4.8.0, Pipeline 22169 0x4001, Rev 0, Bond 5, CSR 311, IRQ 2 New: Version: 4.8.0, Id: 0x4001 Hw Rev: 5 OTP Config Select: 15 - Remove pipeline, CSR and IRQ because version x.y.z already incorporates this information. - Remove bond number because it is not used. - Remove rev number because register was not implemented, always 0 - Add HW Rev ID register to replace rev number - Add OTP config select to show the user configuration chosen by the configurable GPIO pins on start-up Signed-off-by: Vincent Cheng <vincent.cheng.xh@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-07enetc: Fix inconsistent IS_ERR and PTR_ERRYueHaibing1-1/+1
The proper pointer to be passed as argument is hw Detected using Coccinelle. Fixes: 6517798dd343 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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