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2019-01-30net: hns3: only support tc 0 for VFYunsheng Lin3-16/+28
When the VF shares the same TC config as PF, the business running on PF and VF must have samiliar module. For simplicity, we are not considering VF sharing the same tc configuration as PF use case, so this patch removes the support of TC configuration from VF and forcing VF to just use single TC. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30net: hns3: change hnae3_register_ae_dev() to intHuazhong Tan3-4/+16
hnae3_register_ae_dev() may fail, and it should return a error code to its caller, so change hnae3_register_ae_dev() return type to int. Also, when hnae3_register_ae_dev() return error, hns3_probe() should do some error handling and return the error code. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30net: hns3: use the correct interface to stop|open portPeng Li1-2/+2
dev_close() stop the netdev and the service base on the netdev will stop. But ndev->netdev_ops->ndo_stop() may only stop HW and stack queue, the service base on the netdev can still work. Fixes: 5668abda0931 ("net: hns3: add support for set_ringparam") Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30net: hns3: fix VF dump register issueJian Shen1-0/+2
In original codes, the .get_regs_len and .get_regs were missed assigned. This patch fixes it. Fixes: 1600c3e5f23e ("net: hns3: Support "ethtool -d" for HNS3 VF driver") Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30net: hns3: reuse the definition of l3 and l4 header info unionliyongxin2-27/+6
Union l3_hdr_info and l4_hdr_info have already been defined in the hns3_enet.h, so it is unnecessary to define them elsewhere. This patch removes the redundant definition, and reuses the one defined in the hns3_enet.h. Signed-off-by: liyongxin <liyongxin1@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30dt-bindings: net: dsa: add new MT7530 binding to support MT7621Greg Ungerer1-1/+5
Add devicetree binding to support the compatible mt7530 switch as used in the MediaTek MT7621 SoC. Signed-off-by: Greg Ungerer <gerg@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Sean Wang <sean.wang@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30net: dsa: mt7530: support the 7530 switch on the Mediatek MT7621 SoCGreg Ungerer2-39/+66
The MediaTek MT7621 SoC device contains a 7530 switch, and the existing linux kernel 7530 DSA switch driver can be used with it. The bulk of the changes required stem from the 7621 having different regulator and pad setup. The existing setup of these in the 7530 driver appears to be very specific to its implemtation in the Mediatek 7623 SoC. (Not entirely surprising given the 7623 is a quad core ARM based SoC, and the 7621 is a dual core, dual thread MIPS based SoC). Create a new devicetree type, "mediatek,mt7621", to support the 7530 switch in the 7621 SoC. There appears to be no usable ID register to distinguish it from a 7530 in other hardware at runtime. This is used to carry out the appropriate configuration and setup. Signed-off-by: Greg Ungerer <gerg@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Sean Wang <sean.wang@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30net: ethernet: mediatek: support MT7621 SoC ethernet hardwareBjørn Mork3-8/+46
The Mediatek MT7621 SoC contains the same ethernet hardware module as used on a number of other MediaTek SoC parts. There are some minor differences to deal with but we can use the same driver to support them all. This patch is based on work by Bjørn Mork <bjorn@mork.no>, and his original patch is at: https://github.com/bmork/LEDE/commit/3293bc63f5461ca1eb0bbc4ed90145335e7e3404 There is an additional compatible devicetree type added, and the primary change to the code required is to support a single interrupt (for both RX and TX interrupts). Signed-off-by: Bjørn Mork <bjorn@mork.no> [gerg@kernel.org: rebase to mainline and irq handler fix] Signed-off-by: Greg Ungerer <gerg@kernel.org> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Sean Wang <sean.wang@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30selftests: spectrum-2: Add delta two masks one key testJiri Pirko1-1/+45
Ensure that the bug is fixed and we no longer have C-TCAM spill for two keys that differ only in delta. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30selftests: spectrum-2: Fix multiple_masks_testJiri Pirko1-4/+22
With recent fix in C-TCAM spillage for delta masks, the test stops to be falsely positive. So fix it not to use delta by adding src_ip bits to the masks. Alongside with that, use C-TCAM spill trace to see when the spillage actually happens. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30selftests: spectrum-2: Extend and move trace helpersJiri Pirko1-22/+49
Allow to specify number of trace hits and move helpers to the beginning of the file. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30mlxsw: spectrum_acl: Add C-TCAM spill tracepointJiri Pirko2-0/+41
Add some visibility to the rule addition process and trace whenever rule spilled into C-TCAM. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30mlxsw: spectrum_acl: Include delta bits into hashtable keyJiri Pirko3-16/+17
Currently only ERP mask masked bits in key are considered for the hashtable key. That leads to false negative collisions and fallbacks to C-TCAM in case two keys differ only in delta bits. Fix this by taking full encoded key as a hashtable key, including delta bits. Reported-by: Nir Dotan <nird@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: add SCTP_FUTURE_ASOC and SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER sockoptXin Long3-14/+34
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_scheduler and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_scheduler, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_STREAM_SCHEDULER in this patch. It also adds default_ss in sctp_sock to support SCTP_FUTURE_ASSOC. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_EVENT sockoptXin Long1-29/+48
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_event and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_event, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_EVENT in this patch. It also adds sctp_assoc_ulpevent_type_set() to make code more readable. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_ENABLE_STREAM_RESET sockoptXin Long1-13/+20
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_enable_strreset and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_enable_strreset, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_ENABLE_STREAM_RESET in this patch. It also adjusts some code to keep a same check form as other functions. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DEFAULT_PRINFO sockoptXin Long1-9/+25
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_default_prinfo and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_default_prinfo, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_DEFAULT_PRINFO in this patch. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_DEACTIVATE_KEY sockoptXin Long1-3/+26
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_deactivate_key. SCTP_CURRENT_ASSOC is supported for SCTP_AUTH_DEACTIVATE_KEY in this patch. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_DELETE_KEY sockoptXin Long1-3/+25
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_del_key. SCTP_CURRENT_ASSOC is supported for SCTP_AUTH_DELETE_KEY in this patch. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_ACTIVE_KEY sockoptXin Long1-3/+26
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_auth_key. SCTP_CURRENT_ASSOC is supported for SCTP_AUTH_ACTIVE_KEY in this patch. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_KEY sockoptXin Long1-9/+28
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_auth_key. SCTP_CURRENT_ASSOC is supported for SCTP_AUTH_KEY in this patch. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_MAX_BURST sockoptXin Long1-24/+27
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_maxburst and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_maxburst, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_CONTEXT in this patch. It also adjusts some code to keep a same check form as other functions. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_CONTEXT sockoptXin Long1-18/+23
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_context and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_context, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_CONTEXT in this patch. It also adjusts some code to keep a same check form as other functions. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DEFAULT_SNDINFO sockoptXin Long1-3/+22
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_default_sndinfo and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_default_sndinfo, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_DEFAULT_SNDINFO in this patch. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DEFAULT_SEND_PARAM sockoptXin Long1-3/+23
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_default_send_param and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_default_send_param, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_DEFAULT_SEND_PARAM in this patch. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DELAYED_SACK sockoptXin Long1-55/+66
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_delayed_ack and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_delayed_ack, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_DELAYED_SACK in this patch. It also adds sctp_apply_asoc_delayed_ack() to make code more readable. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: add SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER_VALUE sockoptXin Long1-4/+17
SCTP_STREAM_SCHEDULER_VALUE is a special one, as its value is not save in sctp_sock, but only in asoc. So only SCTP_CURRENT_ASSOC reserved assoc_id can be used in sctp_setsockopt_scheduler_value. This patch adds SCTP_CURRENT_ASOC support for SCTP_STREAM_SCHEDULER_VALUE. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC for SCTP_INTERLEAVING_SUPPORTED sockoptXin Long1-10/+10
Check with SCTP_FUTURE_ASSOC instead in sctp_set/getsockopt_reconfig_supported, it's compatible with 0. It also adjusts some code to keep a same check form as other functions. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC for SCTP_RECONFIG_SUPPORTED sockoptXin Long1-15/+12
Check with SCTP_FUTURE_ASSOC instead in sctp_set/getsockopt_reconfig_supported, it's compatible with 0. It also adjusts some code to keep a same check form as other functions. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC for SCTP_PR_SUPPORTED sockoptXin Long1-7/+11
Check with SCTP_FUTURE_ASSOC instead in sctp_set/getsockopt_pr_supported, it's compatible with 0. It also adjusts some code to keep a same check form as other functions. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: add SCTP_FUTURE_ASSOC for SCTP_PEER_ADDR_THLDS sockoptXin Long3-19/+43
Check with SCTP_FUTURE_ASSOC instead in sctp_set/getsockopt_paddr_thresholds, it's compatible with 0. It also adds pf_retrans in sctp_sock to support SCTP_FUTURE_ASSOC. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC for SCTP_LOCAL_AUTH_CHUNKS sockoptXin Long1-6/+4
Check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_local_auth_chunks, it's compatible with 0. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC for SCTP_MAXSEG sockoptXin Long1-5/+7
Check with SCTP_FUTURE_ASSOC instead in sctp_set/getsockopt_maxseg, it's compatible with 0. Also check asoc_id early as other sctp setsockopts does. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC for SCTP_ASSOCINFO sockoptXin Long1-2/+4
Check with SCTP_FUTURE_ASSOC instead in sctp_set/getsockopt_associnfo, it's compatible with 0. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC for SCTP_RTOINFO sockoptXin Long1-2/+4
Check with SCTP_FUTURE_ASSOC instead in sctp_set/getsockopt_rtoinfo, it's compatible with 0. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: use SCTP_FUTURE_ASSOC for SCTP_PEER_ADDR_PARAMS sockoptXin Long1-8/+10
Check with SCTP_FUTURE_ASSOC instead in sctp_/setgetsockopt_peer_addr_params, it's compatible with 0. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: introduce SCTP_FUTURE/CURRENT/ALL_ASSOCXin Long3-3/+10
This patch is to add 3 constants SCTP_FUTURE_ASSOC, SCTP_CURRENT_ASSOC and SCTP_ALL_ASSOC for reserved assoc_ids, as defined in rfc6458#section-7.2. And add the process for them when doing lookup and inserting in sctp_id2assoc and sctp_assoc_set_id. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29bnxt_en: Add bnxt_en initial port params table and register itVasundhara Volam3-1/+44
Register devlink_port with devlink and create initial port params table for bnxt_en. The table consists of a generic parameter: wake_on_lan: Enables Wake on Lan for this port when magic packet is received with this port's MAC address using ACPI pattern. If enabled, the controller asserts a wake pin upon reception of WoL packet. ACPI (Advanced Configuration and Power Interface) is an industry specification for the efficient handling of power consumption in desktop and mobile computers. v2->v3: - Modify bnxt_dl_wol_validate(), to throw error message when user gives value other than DEVLINK_PARAM_WAKE_MAGIC ot to disable WOL. - Use netdev_err() instead of netdev_warn(), when devlink_port_register() and devlink_port_params_register() returns error. Also, don't log rc in this message. Cc: Michael Chan <michael.chan@broadcom.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add a generic wake_on_lan port parameterVasundhara Volam2-0/+13
wake_on_lan - Enables Wake on Lan for this port. If enabled, the controller asserts a wake pin based on the WOL type. v2->v3: - Define only WOL types used now and define them as bitfield, so that mutliple WOL types can be enabled upon power on. - Modify "wake-on-lan" name to "wake_on_lan" to be symmetric with previous definitions. - Rename DEVLINK_PARAM_WOL_XXX to DEVLINK_PARAM_WAKE_XXX to be symmetrical with ethtool WOL definitions. Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add devlink notifications support for port paramsVasundhara Volam3-27/+94
Add notification call for devlink port param set, register and unregister functions. Add devlink_port_param_value_changed() function to enable the driver notify devlink on value change. Driver should use this function after value was changed on any configuration mode part to driverinit. v7->v8: Order devlink_port_param_value_changed() definitions followed by devlink_param_value_changed() Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add support for driverinit set value for devlink_portVasundhara Volam2-18/+63
Add support for "driverinit" configuration mode value for devlink_port configuration parameters. Add devlink_port_param_driverinit_value_set() function to help the driver set the value to devlink_port. Also, move the common code to __devlink_param_driverinit_value_set() to be used by both device and port params. v7->v8: Re-order the definitions as follows: __devlink_param_driverinit_value_get __devlink_param_driverinit_value_set devlink_param_driverinit_value_get devlink_param_driverinit_value_set devlink_port_param_driverinit_value_get devlink_port_param_driverinit_value_set Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add support for driverinit get value for devlink_portVasundhara Volam2-17/+62
Add support for "driverinit" configuration mode value for devlink_port configuration parameters. Add devlink_port_param_driverinit_value_get() function to help the driver get the value from devlink_port. Also, move the common code to __devlink_param_driverinit_value_get() to be used by both device and port params. v7->v8: -Add the missing devlink_port_param_driverinit_value_get() declaration. -Also, order devlink_port_param_driverinit_value_get() after devlink_param_driverinit_value_get/set() calls Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add port param set commandVasundhara Volam2-5/+33
Add port param set command to set the value for a parameter. Value can be set to any of the supported configuration modes. v7->v8: Append "Acked-by: Jiri Pirko <jiri@mellanox.com>" Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add port param get commandVasundhara Volam2-7/+97
Add port param get command which gets data per parameter. It also has option to dump the parameters data per port. v7->v8: Append "Acked-by: Jiri Pirko <jiri@mellanox.com>" Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add devlink_param for port register and unregisterVasundhara Volam2-38/+117
Add functions to register and unregister for the driver supported configuration parameters table per port. v7->v8: - Order the definitions following way as suggested by Jiri. __devlink_params_register __devlink_params_unregister devlink_params_register devlink_params_unregister devlink_port_params_register devlink_port_params_unregister - Append with Acked-by: Jiri Pirko <jiri@mellanox.com>. v2->v3: - Add a helper __devlink_params_register() with common code used by both devlink_params_register() and devlink_port_params_register(). Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29MAINTAINERS: Add entry for XDP (eXpress Data Path)Jesper Dangaard Brouer1-0/+18
Add multiple people as maintainers for XDP, sorted alphabetically. XDP is also tied to driver level support and code, but we cannot add all drivers to the list. Instead K: and N: match on 'xdp' in hope to catch some of those changes in drivers. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29net: set default network namespace in init_dummy_netdev()Josh Elsasser1-0/+3
Assign a default net namespace to netdevs created by init_dummy_netdev(). Fixes a NULL pointer dereference caused by busy-polling a socket bound to an iwlwifi wireless device, which bumps the per-net BUSYPOLLRXPACKETS stat if napi_poll() received packets: BUG: unable to handle kernel NULL pointer dereference at 0000000000000190 IP: napi_busy_loop+0xd6/0x200 Call Trace: sock_poll+0x5e/0x80 do_sys_poll+0x324/0x5a0 SyS_poll+0x6c/0xf0 do_syscall_64+0x6b/0x1f0 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 Fixes: 7db6b048da3b ("net: Commonize busy polling code to focus on napi_id instead of socket") Signed-off-by: Josh Elsasser <jelsasser@appneta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29cxgb4: cxgb4_tc_u32: use struct_size() in kvzalloc()Gustavo A. R. Silva1-2/+1
One of the more common cases of allocation size calculations is finding the size of a structure that has a zero-sized array at the end, along with memory for some number of elements for that array. For example: struct foo { int stuff; struct boo entry[]; }; instance = kvzalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL); Instead of leaving these open-coded and prone to type mistakes, we can now use the new struct_size() helper: instance = kvzalloc(struct_size(instance, entry, count), GFP_KERNEL); This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29cxgb4: clip_tbl: Use struct_size() in kvzalloc()Gustavo A. R. Silva1-2/+1
One of the more common cases of allocation size calculations is finding the size of a structure that has a zero-sized array at the end, along with memory for some number of elements for that array. For example: struct foo { int stuff; struct boo entry[]; }; instance = kvzalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL); Instead of leaving these open-coded and prone to type mistakes, we can now use the new struct_size() helper: instance = kvzalloc(struct_size(instance, entry, count), GFP_KERNEL); This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29net: b44: replace dev_kfree_skb_xxx by dev_consume_skb_xxx for drop profilesYang Wei1-2/+2
The skb should be freed by dev_consume_skb_any() in b44_start_xmit() when bounce_skb is used. The skb is be replaced by bounce_skb, so the original skb should be consumed(not drop). dev_consume_skb_irq() should be called in b44_tx() when skb xmit done. It makes drop profiles(dropwatch, perf) more friendly. Signed-off-by: Yang Wei <yang.wei9@zte.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
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