- 06 Feb, 2021 8 commits
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Loic Poulain authored
When device side MTU is larger than host side MTU, the packets (typically rmnet packets) are split over multiple MHI transfers. In that case, fragments must be re-aggregated to recover the packet before forwarding to upper layer. A fragmented packet result in -EOVERFLOW MHI transaction status for each of its fragments, except the final one. Such transfer was previously considered as error and fragments were simply dropped. This change adds re-aggregation mechanism using skb chaining, via skb frag_list. A warning (once) is printed since this behavior usually comes from a misconfiguration of the device (e.g. modem MTU). Signed-off-by:
Loic Poulain <loic.poulain@linaro.org> Acked-by:
Jesse Brandeburg <jesse.brandeburg@intel.com> Link: https://lore.kernel.org/r/1612428002-12333-1-git-send-email-loic.poulain@linaro.orgSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Loic Poulain authored
There is no guarantee that rmnet rx_handler is only fed with linear skbs, but current rmnet implementation does not check that, leading to crash in case of non linear skbs processed as linear ones. Fix that by ensuring skb linearization before processing. Signed-off-by:
Willem de Bruijn <willemb@google.com> Reviewed-by:
Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Link: https://lore.kernel.org/r/1612428002-12333-2-git-send-email-loic.poulain@linaro.orgSigned-off-by:
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Zheng Yongjun authored
When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF. Signed-off-by:
Zheng Yongjun <zhengyongjun3@huawei.com> Link: https://lore.kernel.org/r/20210204073950.18372-1-zhengyongjun3@huawei.comSigned-off-by:
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Zheng Yongjun authored
When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF. Signed-off-by:
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Xu Wang authored
Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)). net/bridge/br_multicast.c:1246:9-16: WARNING: ERR_CAST can be used with mp Generated by: scripts/coccinelle/api/err_cast.cocci Signed-off-by:
Xu Wang <vulab@iscas.ac.cn> Link: https://lore.kernel.org/r/20210204070549.83636-1-vulab@iscas.ac.cnSigned-off-by:
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Lorenzo Bianconi authored
Align netdevice statistics when the device is running in XDP mode to other upstream drivers. In particular report to user-space rx packets even if they are not forwarded to the networking stack (XDP_PASS) but if they are redirected (XDP_REDIRECT), dropped (XDP_DROP) or sent back using the same interface (XDP_TX). This patch allows the system administrator to verify the device is receiving data correctly. Signed-off-by:
Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/a457cb17dd9c58c116d64ee34c354b2e89c0ff8f.1612375372.git.lorenzo@kernel.orgSigned-off-by:
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Jiapeng Chong authored
Fix the following coccicheck warnings: ./drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c:1651:36-38: WARNING !A || A && B is equivalent to !A || B. Reported-by:
Abaci Robot <abaci@linux.alibaba.com> Signed-off-by:
Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Acked-by:
Ioana Ciornei <ioana.ciornei@nxp.com> Link: https://lore.kernel.org/r/1612260157-128026-1-git-send-email-jiapeng.chong@linux.alibaba.comSigned-off-by:
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Jakub Kicinski authored
Merge tag 'wireless-drivers-next-2021-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== wireless-drivers-next patches for v5.12 First set of patches for v5.12. A smaller pull request this time, biggest feature being a better key handling for ath9k. And of course the usual fixes and cleanups all over. Major changes: ath9k * more robust encryption key cache management brcmfmac * support BCM4365E with 43666 ChipCommon chip ID * tag 'wireless-drivers-next-2021-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next: (35 commits) iwl4965: do not process non-QOS frames on txq->sched_retry path mt7601u: process tx URBs with status EPROTO properly wlcore: Fix command execute failure 19 for wl12xx mt7601u: use ieee80211_rx_list to pass frames to the network stack as a batch rtw88: 8723de: adjust the LTR setting rtlwifi: rtl8821ae: fix bool comparison in expressions rtlwifi: rtl8192se: fix bool comparison in expressions rtlwifi: rtl8188ee: fix bool comparison in expressions rtlwifi: rtl8192c-common: fix bool comparison in expressions rtlwifi: rtl_pci: fix bool comparison in expressions wlcore: Downgrade exceeded max RX BA sessions to debug wilc1000: use flexible-array member instead of zero-length array brcmfmac: clear EAP/association status bits on linkdown events brcmfmac: Delete useless kfree code qtnfmac_pcie: Use module_pci_driver mt7601u: check the status of device in calibration mt7601u: process URBs in status EPROTO properly brcmfmac: support BCM4365E with 43666 ChipCommon chip ID wilc1000: fix spelling mistake in Kconfig "devision" -> "division" mwifiex: pcie: Drop bogus __refdata annotation ... ==================== Link: https://lore.kernel.org/r/20210205161901.C7F83C433ED@smtp.codeaurora.orgSigned-off-by:
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- 05 Feb, 2021 30 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queueJakub Kicinski authored
Tony Nguyen says: ==================== 1GbE Intel Wired LAN Driver Updates 2021-02-03 This series contains updates to igc, igb, e1000e, and e1000 drivers. Sasha adds counting of good transmit packets and reporting of NVM version and gPHY version in ethtool firmware version. Replaces the use of strlcpy to the preferred strscpy. Fixes a typo that caused the wrong register to be output. He also removes an unused function pointer, some unneeded defines, and a non-applicable comment. All changes for igc. Gal Hammer fixes a typo which caused the RDBAL register values to be shown instead of TDBAL for igb. Nick Lowe enables RSS support for i211 devices for igb. Tom Rix fixes checkpatch warning by removing h from printk format specifier for igb. Kaixu Xia removes setting of a variable that is overwritten before next use for e1000e. Sudip Mukherjee removes an unneeded assignment for e1000. * '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: e1000: drop unneeded assignment in e1000_set_itr() e1000e: remove the redundant value assignment in e1000_update_nvm_checksum_spt igb: remove h from printk format specifier igb: Enable RSS for Intel I211 Ethernet Controller igb: fix TDBAL register show incorrect value igc: Fix TDBAL register show incorrect value igc: Remove unused FUNC_1 mask igc: Remove unused local receiver mask igc: Prefer strscpy over strlcpy igc: Expose the gPHY firmware version igc: Expose the NVM version igc: Add Host Good Packets Transmitted Count igc: Remove MULR mask define igc: Remove igc_set_fw_version comment igc: Clean up nvm_operations structure ==================== Link: https://lore.kernel.org/r/20210204004259.3662059-1-anthony.l.nguyen@intel.comSigned-off-by:
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Jakub Kicinski authored
Andrea Parri says: ==================== Amend "hv_netvsc: Copy packets sent by Hyper-V out of the receive buffer" Patch #2 also addresses the Smatch complaint reported here: https://lkml.kernel.org/r/YBp2oVIdMe+G%2FliJ@mwanda/ ==================== Link: https://lore.kernel.org/r/20210203113513.558864-1-parri.andrea@gmail.comSigned-off-by:
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Andrea Parri (Microsoft) authored
Fix the typo. Signed-off-by:
Andrea Parri (Microsoft) <parri.andrea@gmail.com> Fixes: 0ba35fe9 ("hv_netvsc: Copy packets sent by Hyper-V out of the receive buffer") Signed-off-by:
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Andrea Parri (Microsoft) authored
The recv_buf buffers are allocated in netvsc_device_add(). Later in netvsc_init_buf() the response to NVSP_MSG1_TYPE_SEND_RECV_BUF allows the host to set up a recv_section_size that could be bigger than the (default) value used for that allocation. The host-controlled value could be used by a malicious host to bypass the check on the packet's length in netvsc_receive() and hence to overflow the recv_buf buffer. Move the allocation of the recv_buf buffers into netvsc_init_but(). Reported-by:
Juan Vazquez <juvazq@microsoft.com> Signed-off-by:
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Jakub Kicinski authored
Hayes Wang says: ==================== r8152: adjust flow for power cut The two patches are used to adjust the flow about resuming from the state of power cut. For the purpose, some functions have to be updated first. ==================== Link: https://lore.kernel.org/r/1394712342-15778-398-Taiwan-albertk@realtek.comSigned-off-by:
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Hayes Wang authored
For runtime resuming, the RTL8153B may be resumed from the state of power cut, when enabling the feature of UPS. Then, the PHY would be reset, so it is necessary to be initailized again. Besides, the USB_U1U2_TIMER also has to be set again, so I move it from r8153b_init() to r8153b_hw_phy_cfg(). Signed-off-by:
Hayes Wang <hayeswang@realtek.com> Signed-off-by:
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Hayes Wang authored
Replace r8153_patch_request() with rtl_phy_patch_request(). Replace r8153_pre_ram_code() with rtl_pre_ram_code(). Replace r8153_post_ram_code() with rtl_post_ram_code(). Add rtl_patch_key_set(). The new functions have an additional parameter. It is used to wait the patch request command finished. When the PHY is resumed from the state of power cut, the PHY is at a safe mode and the OCP_PHY_PATCH_STAT wouldn't be updated. For this situation, it is safe to set patch request command without waiting OCP_PHY_PATCH_STAT. Signed-off-by:
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Tobias Waldekranz authored
On read, master should send 31 MSB of the register (only even values are ever used), followed by a 1 to indicate read. Then, reading two bytes, the device will output the register's value. On write, master sends 31 MSB of the register, followed by a 0 to indicate write, followed by two bytes containing the register value. Flexibilis' documentation (version 1.3) specifies the opposite polarity (#read/write), but the scope indicates that it is, in fact, read/#write. Signed-off-by:
Tobias Waldekranz <tobias@waldekranz.com> Reviewed-by:
George McCollister <george.mccollister@gmail.com> Link: https://lore.kernel.org/r/20210202191645.439-1-tobias@waldekranz.comSigned-off-by:
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Vladimir Oltean authored
The flow steering struct ethtool_flow_ext::data field is __be32, so when the CFP code needs to check the VLAN egress tagging attribute in bit 0, it does this in CPU native endianness. So logically, the endianness conversion is set up the other way around, although in practice the same result is produced. Gets rid of build warning: warning: cast from restricted __be32 warning: incorrect type in argument 1 (different base types) expected unsigned int [usertype] val got restricted __be32 warning: cast from restricted __be32 warning: cast from restricted __be32 warning: cast from restricted __be32 warning: cast from restricted __be32 warning: restricted __be32 degrades to integer Signed-off-by:
Vladimir Oltean <olteanv@gmail.com> Acked-by:
Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20210203193918.2236994-1-olteanv@gmail.comSigned-off-by:
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Bhaskar Chowdhury authored
s/initialsation/initialisation/ s/specifiing/specifying/ Signed-off-by:
Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by:
Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20210204031648.27300-1-unixbhaskar@gmail.comSigned-off-by:
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Jakub Kicinski authored
Leon Romanovsky says: ==================== Fix W=1 compilation warnings in net/* folder Changelog: v2: * Patch 3: Added missing include file. v1: https://lore.kernel.org/lkml/20210203101612.4004322-1-leon@kernel.org * Removed Fixes lines. * Changed target from net to be net-next. * Patch 1: Moved function declaration to be outside config instead games with if/endif. * Patch 3: Moved declarations to new header file. v0: https://lore.kernel.org/lkml/20210202135544.3262383-1-leon@kernel.org ==================== Link: https://lore.kernel.org/r/20210203135112.4083711-1-leon@kernel.orgSigned-off-by:
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Leon Romanovsky authored
Fix the following compilation warnings: net/netfilter/ipvs/ip_vs_proto_tcp.c:147:1: warning: no previous prototype for 'tcp_snat_handler' [-Wmissing-prototypes] 147 | tcp_snat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp, | ^~~~~~~~~~~~~~~~ net/netfilter/ipvs/ip_vs_proto_udp.c:136:1: warning: no previous prototype for 'udp_snat_handler' [-Wmissing-prototypes] 136 | udp_snat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp, | ^~~~~~~~~~~~~~~~ Signed-off-by:Leon Romanovsky <leonro@nvidia.com> Signed-off-by:
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Leon Romanovsky authored
Fir the following compilation warnings: 1031 | INDIRECT_CALLABLE_SCOPE void udp_v6_early_demux(struct sk_buff *skb) net/ipv6/ip6_offload.c:182:41: warning: no previous prototype for ‘ipv6_gro_receive’ [-Wmissing-prototypes] 182 | INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head, | ^~~~~~~~~~~~~~~~ net/ipv6/ip6_offload.c:320:29: warning: no previous prototype for ‘ipv6_gro_complete’ [-Wmissing-prototypes] 320 | INDIRECT_CALLABLE_SCOPE int ipv6_gro_complete(struct sk_buff *skb, int nhoff) | ^~~~~~~~~~~~~~~~~ net/ipv6/ip6_offload.c:182:41: warning: no previous prototype for ‘ipv6_gro_receive’ [-Wmissing-prototypes] 182 | INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head, | ^~~~~~~~~~~~~~~~ net/ipv6/ip6_offload.c:320:29: warning: no previous prototype for ‘ipv6_gro_complete’ [-Wmissing-prototypes] 320 | INDIRECT_CALLABLE_SCOPE int ipv6_gro_complete(struct sk_buff *skb, int nhoff) Signed-off-by: -
Leon Romanovsky authored
Fix the following compilation warning: net/ipv6/udp.c:1031:30: warning: no previous prototype for 'udp_v6_early_demux' [-Wmissing-prototypes] 1031 | INDIRECT_CALLABLE_SCOPE void udp_v6_early_demux(struct sk_buff *skb) | ^~~~~~~~~~~~~~~~~~ net/ipv6/udp.c:1072:29: warning: no previous prototype for 'udpv6_rcv' [-Wmissing-prototypes] 1072 | INDIRECT_CALLABLE_SCOPE int udpv6_rcv(struct sk_buff *skb) | ^~~~~~~~~ Signed-off-by: -
Leon Romanovsky authored
The W=1 compilation of allmodconfig generates the following warning: net/ipv6/icmp.c:448:6: warning: no previous prototype for 'icmp6_send' [-Wmissing-prototypes] 448 | void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info, | ^~~~~~~~~~ Fix it by providing function declaration for builds with ipv6 as a module. Signed-off-by: -
Colin Ian King authored
The null check of filp->f_path.dentry->d_iname is redundant because it is an array of DNAME_INLINE_LEN chars and cannot be a null. Fix this by removing the null check. Addresses-Coverity: ("Array compared against 0") Fixes: 04987ca1 ("net: hns3: add debugfs support for tm nodes, priority and qset info") Signed-off-by:Colin Ian King <colin.king@canonical.com> Reviewed-by:
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wengjianfeng authored
change 'piority' to 'priority' change 'succesfult' to 'successful' Signed-off-by:
wengjianfeng <wengjianfeng@yulong.com> Link: https://lore.kernel.org/r/20210203093842.11180-1-samirweng1979@163.comSigned-off-by:
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Jakub Kicinski authored
Xin Long says: ==================== net: enable udp v6 sockets receiving v4 packets with UDP Currently, udp v6 socket can not process v4 packets with UDP GRO, as udp_encap_needed_key is not increased when udp_tunnel_encap_enable() is called for v6 socket. This patchset is to increase it and remove the unnecessary code in bareudp in Patch 1/2, and improve rxrpc encap_enable by calling udp_tunnel_encap_enable(). ==================== Link: https://lore.kernel.org/r/cover.1612342376.git.lucien.xin@gmail.comSigned-off-by:
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Xin Long authored
When doing encap_enable/increasing encap_needed_key, up->encap_enabled is not set in rxrpc_open_socket(), and it will cause encap_needed_key not being decreased in udpv6_destroy_sock(). This patch is to improve it by just calling udp_tunnel_encap_enable() where it increases both UDP and UDPv6 encap_needed_key and sets up->encap_enabled. v4->v5: - add the missing '#include <net/udp_tunnel.h>', as David Howells noticed. Acked-and-tested-by:David Howells <dhowells@redhat.com> Signed-off-by:
Xin Long <lucien.xin@gmail.com> Signed-off-by:
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Xin Long authored
When enabling encap for a ipv6 socket without udp_encap_needed_key increased, UDP GRO won't work for v4 mapped v6 address packets as sk will be NULL in udp4_gro_receive(). This patch is to enable it by increasing udp_encap_needed_key for v6 sockets in udp_tunnel_encap_enable(), and correspondingly decrease udp_encap_needed_key in udpv6_destroy_sock(). v1->v2: - add udp_encap_disable() and export it. v2->v3: - add the change for rxrpc and bareudp into one patch, as Alex suggested. v3->v4: - move rxrpc part to another patch. Acked-by: -
Jian Yang authored
Traditionally loopback devices come up with initial state as DOWN for any new network-namespace. This would mean that anyone needing this device would have to bring this UP by issuing something like 'ip link set lo up'. This can be avoided if the initial state is set as UP. Signed-off-by:
Mahesh Bandewar <maheshb@google.com> Signed-off-by:
Jian Yang <jianyang@google.com> Link: https://lore.kernel.org/r/20210201233445.2044327-1-jianyang.kernel@gmail.comSigned-off-by:
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Jakub Kicinski authored
Alexander Lobakin says: ==================== net: consolidate page_is_pfmemalloc() usage page_is_pfmemalloc() is used mostly by networking drivers to test if a page can be considered for reusing/recycling. It doesn't write anything to the struct page itself, so its sole argument can be constified, as well as the first argument of skb_propagate_pfmemalloc(). In Page Pool core code, it can be simply inlined instead. Most of the callers from NIC drivers were just doppelgangers of the same condition tests. Derive them into a new common function do deduplicate the code. Resend of v3 [2]: - it missed Patchwork and Netdev archives, probably due to server-side issues. Since v2 [1]: - use more intuitive name for the new inline function since there's nothing "reserved" in remote pages (Jakub Kicinski, John Hubbard); - fold likely() inside the helper itself to make driver code a bit fancier (Jakub Kicinski); - split function introduction and using into two separate commits; - collect some more tags (Jesse Brandeburg, David Rientjes). Since v1 [0]: - new: reduce code duplication by introducing a new common function to test if a page can be reused/recycled (David Rientjes); - collect autographs for Page Pool bits (Jesper Dangaard Brouer, Ilias Apalodimas). [0] https://lore.kernel.org/netdev/20210125164612.243838-1-alobakin@pm.me [1] https://lore.kernel.org/netdev/20210127201031.98544-1-alobakin@pm.me [2] https://lore.kernel.org/lkml/20210131120844.7529-1-alobakin@pm.me ==================== Link: https://lore.kernel.org/r/20210202133030.5760-1-alobakin@pm.meSigned-off-by:
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Alexander Lobakin authored
pool_page_reusable() is a leftover from pre-NUMA-aware times. For now, this function is just a redundant wrapper over page_is_pfmemalloc(), so inline it into its sole call site. Signed-off-by:
Alexander Lobakin <alobakin@pm.me> Acked-by:
Jesper Dangaard Brouer <brouer@redhat.com> Reviewed-by:
Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by:
David Rientjes <rientjes@google.com> Signed-off-by:
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Alexander Lobakin authored
Now we can remove a bunch of identical functions from the drivers and make them use common dev_page_is_reusable(). All {,un}likely() checks are omitted since it's already present in this helper. Also update some comments near the call sites. Suggested-by: -
Alexander Lobakin authored
A bunch of drivers test the page before reusing/recycling for two common conditions: - if a page was allocated under memory pressure (pfmemalloc page); - if a page was allocated at a distant memory node (to exclude slowdowns). Introduce a new common inline for doing this, with likely() already folded inside to make driver code a bit simpler. Suggested-by:
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Alexander Lobakin authored
The function doesn't write anything to the page struct itself, so this argument can be const. Misc: align second argument to the brace while at it. Signed-off-by:
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Alexander Lobakin authored
The function only tests for page->index, so its argument should be const. Signed-off-by:
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Brian Vazquez authored
This commit fixes the errores reported when building for powerpc: ERROR: modpost: "ip6_dst_check" [vmlinux] is a static EXPORT_SYMBOL ERROR: modpost: "ipv4_dst_check" [vmlinux] is a static EXPORT_SYMBOL ERROR: modpost: "ipv4_mtu" [vmlinux] is a static EXPORT_SYMBOL ERROR: modpost: "ip6_mtu" [vmlinux] is a static EXPORT_SYMBOL Fixes: f67fbeae ("net: use indirect call helpers for dst_mtu") Fixes: bbd807df ("net: indirect call helpers for ipv4/ipv6 dst_check functions") Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
Brian Vazquez <brianvv@google.com> Link: https://lore.kernel.org/r/20210204181839.558951-2-brianvv@google.comSigned-off-by:
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Brian Vazquez authored
When a static function is annotated with INDIRECT_CALLABLE_SCOPE and CONFIG_RETPOLINE is set, the static keyword is removed. Sometimes the function needs to be exported but EXPORT_SYMBOL can't be used because if CONFIG_RETPOLINE is not set, we will attempt to export a static symbol. This patch introduces a new indirect call wrapper: EXPORT_INDIRECT_CALLABLE. This basically does EXPORT_SYMBOL when CONFIG_RETPOLINE is set, but does nothing when it's not. Reported-by:
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Marcelo Ricardo Leitner authored
Often userspace won't request the extack information, or they don't log it because of log level or so, and even when they do, sometimes it's not enough to know exactly what caused the error. Netlink extack is the standard way of reporting erros with descriptive error messages. With a trace point on it, we then can know exactly where the error happened, regardless of userspace app. Also, we can even see if the err msg was overwritten. The wrapper do_trace_netlink_extack() is because trace points shouldn't be called from .h files, as trace points are not that small, and the function call to do_trace_netlink_extack() on the macros is not protected by tracepoint_enabled() because the macros are called from modules, and this would require exporting some trace structs. As this is error path, it's better to export just the wrapper instead. v2: removed leftover tracepoint declaration Signed-off-by:
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Reviewed-by:
David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/4546b63e67b2989789d146498b13cc09e1fdc543.1612403190.git.marcelo.leitner@gmail.comSigned-off-by:
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- 04 Feb, 2021 2 commits
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Jiapeng Chong authored
Fix the following coccicheck warnings: ./drivers/net/xen-netfront.c:1816:52-54: WARNING !A || A && B is equivalent to !A || B. Reported-by:
Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/1612261069-13315-1-git-send-email-jiapeng.chong@linux.alibaba.comSigned-off-by:
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Jakub Kicinski authored
Jonas Bonn says: ==================== There's ongoing work in this driver to provide support for IPv6, GRO, GSO, and "collect metadata" mode operation. In order to facilitate this work going forward, this short series accumulates already ACK:ed patches that are ready for the next merge window. All of these patches should be uncontroversial at this point, including the first one in the series that reverts a recently added change to introduce "collect metadata" mode. As that patch produces 'broken' packets when common GTP headers are in place, it seems better to revert it and rethink things a bit before inclusion. ==================== Link: https://lore.kernel.org/r/20210203070805.281321-1-jonas@norrbonn.seSigned-off-by:
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