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2021-11-22net: hns3: add support to set/get tx copybreak buf size via ethtool for hns3 driverHao Chen3-2/+60
Tx copybreak buf size is used for tx copybreak feature, the feature is used for small size packet or frag. It adds a queue based tx shared bounce buffer to memcpy the small packet when the len of xmitted skb is below tx_copybreak(value to distinguish small size and normal size), and reduce the overhead of dma map and unmap when IOMMU is on. Support setting it via ethtool --set-tunable parameter and getting it via ethtool --get-tunable parameter. Signed-off-by: Hao Chen <chenhao288@hisilicon.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-22ethtool: add support to set/get tx copybreak buf size via ethtoolHao Chen3-0/+3
Add support for ethtool to set/get tx copybreak buf size. Signed-off-by: Hao Chen <chenhao288@hisilicon.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20selftests: mptcp: add tproxy test caseFlorian Westphal3-3/+136
No hard dependencies here, just skip if test environ lacks nft binary or the needed kernel config options. The test case spawns listener in ns2 but ns1 will connect to the ip address of ns4. policy routing + tproxy rule will redirect packets to ns2 instead of forward. v3: - update mptcp/config (Mat Martineau) - more verbose SKIP messages in mptcp_connect.sh Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20mptcp: sockopt: add SOL_IP freebind & transparent optionsFlorian Westphal2-2/+67
These options also need to be set before bind, so do the sync of msk to new ssk socket a bit earlier. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20mptcp: Support for IP_TOS for MPTCP setsockopt()Poorva Sonparote1-0/+40
SOL_IP provides a way to configure network layer attributes in a socket. This patch adds support for IP_TOS for setsockopt(.. ,SOL_IP, ..) Support for SOL_IP is added in mptcp_setsockopt() and IP_TOS is handled in a private function. The idea here is to take in the value passed for IP_TOS and set it to the current subflow, open subflows as well new subflows that might be created after the initial call to setsockopt(). This sync is done using sync_socket_options(.., ssk) and setting the value of tos using __ip_sock_set_tos(ssk,..). The patch has been tested using the packetdrill script here - https://github.com/multipath-tcp/mptcp_net-next/issues/220#issuecomment-947863717 Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/220 Signed-off-by: Poorva Sonparote <psonparo@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20ipv4: Exposing __ip_sock_set_tos() in ip.hPoorva Sonparote2-1/+2
Making the static function __ip_sock_set_tos() from net/ipv4/ip_sockglue.c accessible by declaring it in include/net/ip.h The reason for doing this is to use this function to set IP_TOS value in mptcp_setsockopt() without the lock. Signed-off-by: Poorva Sonparote <psonparo@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20net: kunit: add a test for dev_addr_listsJakub Kicinski3-0/+243
Add a KUnit test for the dev_addr API. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20dev_addr_list: put the first addr on the treeJakub Kicinski1-28/+34
Since all netdev->dev_addr modifications go via dev_addr_mod() we can put it on the list. When address is change remove it and add it back. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20dev_addr: add a modification checkJakub Kicinski3-0/+25
netdev->dev_addr should only be modified via helpers, but someone may be casting off the const. Add a runtime check to catch abuses. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20net: unexport dev_addr_init() & dev_addr_flush()Jakub Kicinski1-2/+0
There are no module callers in-tree and it's hard to justify why anyone would init or flush addresses of a netdev (note the flush is more of a destructor, it frees netdev->dev_addr). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20net: constify netdev->dev_addrJakub Kicinski2-9/+15
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. We converted all users to make modifications via appropriate helpers, make netdev->dev_addr const. The update helpers need to upcast from the buffer to struct netdev_hw_addr. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-20bnx2x: constify static inline stub for dev_addrJakub Kicinski1-1/+1
bnx2x_vfpf_config_mac() was constified by not its stub. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-2082596: use eth_hw_addr_set()Jakub Kicinski1-1/+2
Byte by byte assignments. Fixes build on m68k. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19net: phy: add support for TI DP83561-SP phyHari Nagalla1-20/+22
Add support for the TI DP83561-SP Gigabit ethernet phy device. The dp83561-sp is a radiation hardened space grade gigabit ethernet PHY. It has been tested for single event latch upto 121 MeV, the critical reliability parameter for space designs. It interfaces directly to twisted pair media through an external transformer. And the device also interfaces directly to the MAC layer through Reduced GMII (RGMII) and MII. DP83867, DP83869 and DP83561-SP, all these parts support 1000Base-T/ 100Base-TX/ and 10Base-Te standards and have similar register map for the core functionality. The data sheet for this part is at https://www.ti.com/product/DP83561-SP Signed-off-by: Hari Nagalla <hnagalla@ti.com> Signed-off-by: Geet Modi <geet.modi@ti.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20211118102532.9835-1-hnagalla@ti.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-19ethernet: renesas: Use div64_ul instead of do_divYang Li1-4/+2
do_div() does a 64-by-32 division. Here the divisor is an unsigned long which on some platforms is 64 bit wide. So use div64_ul instead of do_div to avoid a possible truncation. Eliminate the following coccicheck warning: ./drivers/net/ethernet/renesas/ravb_main.c:2492:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_ul instead. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://lore.kernel.org/r/1637228883-100100-1-git-send-email-yang.lee@linux.alibaba.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-19ipv6: ip6_skb_dst_mtu() cleanupsEric Dumazet1-9/+9
Use const attribute where we can, and cache skb_dst() Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20211119022355.2985984-1-eric.dumazet@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-19net/bridge: replace simple_strtoul to kstrtolBernard Zhao1-4/+3
simple_strtoull is obsolete, use kstrtol instead. Signed-off-by: Bernard Zhao <bernard@vivo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19nfp: flower: correction of error handlingYu Xiao1-20/+0
Removing reduplicated error handling when running into error path of `nfp_compile_flow_metadata`. Signed-off-by: Yu Xiao <yu.xiao@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19ethtool: stats: Use struct_group() to clear all stats at onceKees Cook1-8/+7
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memset(), avoid intentionally writing across neighboring fields. Add struct_group() to mark region of struct stats_reply_data that should be initialized, which can now be done in a single memset() call. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19net/af_iucv: Use struct_group() to zero struct iucv_sock regionKees Cook2-5/+7
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memset(), avoid intentionally writing across neighboring fields. Add struct_group() to mark the region of struct iucv_sock that gets initialized to zero. Avoid the future warning: In function 'fortify_memset_chk', inlined from 'iucv_sock_alloc' at net/iucv/af_iucv.c:476:2: ./include/linux/fortify-string.h:199:4: warning: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Wattribute-warning] 199 | __write_overflow_field(p_size_field, size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Acked-by: Karsten Graul <kgraul@linux.ibm.com> Link: https://lore.kernel.org/lkml/19ff61a0-0cda-6000-ce56-dc6b367c00d6@linux.ibm.com/ Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19ipv6: Use memset_after() to zero rt6_infoKees Cook1-3/+1
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memset(), avoid intentionally writing across neighboring fields. Use memset_after() to clear everything after the dst_entry member of struct rt6_info. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19net: 802: Use memset_startat() to clear struct fieldsKees Cook1-1/+1
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memset(), avoid intentionally writing across neighboring fields. Use memset_startat() so memset() doesn't get confused about writing beyond the destination member that is intended to be the starting point of zeroing through the end of the struct. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19net: dccp: Use memset_startat() for TP zeroingKees Cook1-3/+1
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memset(), avoid intentionally writing across neighboring fields. Use memset_startat() so memset() doesn't get confused about writing beyond the destination member that is intended to be the starting point of zeroing through the end of the struct. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19sky2: use PCI VPD API in eeprom ethtool opsHeiner Kallweit1-72/+12
Recently pci_read/write_vpd_any() have been added to the PCI VPD API. These functions allow to access VPD address space outside the auto-detected VPD, and they can be used to significantly simplify the eeprom ethtool ops. Tested with a 88E8070 card with 1KB EEPROM. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19net: ipa: Use 'for_each_clear_bit' when possibleChristophe JAILLET1-3/+1
Use 'for_each_clear_bit()' instead of hand writing it. It is much less version. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19bnx2x: Use struct_group() for memcpy() regionKees Cook2-7/+14
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally writing across neighboring fields. Use struct_group() in struct nig_stats around members egress_mac_pkt0_lo, egress_mac_pkt0_hi, egress_mac_pkt1_lo, and egress_mac_pkt1_hi (and the respective members in struct bnx2x_eth_stats), so they can be referenced together. This will allow memcpy() and sizeof() to more easily reason about sizes, improve readability, and avoid future warnings about writing beyond the end of struct bnx2x_eth_stats's rx_stat_ifhcinbadoctets_hi. "pahole" shows no size nor member offset changes to either struct. "objdump -d" shows no meaningful object code changes (i.e. only source line number induced differences and optimizations). Additionally adds BUILD_BUG_ON() to compare the separate struct group sizes. Reviewed-by: Prabhakar Kushwaha <pkushwaha@marvell.com> Link: https://lore.kernel.org/lkml/DM5PR18MB2229B0413C372CC6E49D59A3B2C59@DM5PR18MB2229.namprd18.prod.outlook.com Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19cxgb4: Use struct_group() for memcpy() regionKees Cook3-12/+13
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally writing across neighboring fields. Use struct_group() in struct fw_eth_tx_pkt_vm_wr around members ethmacdst, ethmacsrc, ethtype, and vlantci, so they can be referenced together. This will allow memcpy() and sizeof() to more easily reason about sizes, improve readability, and avoid future warnings about writing beyond the end of ethmacdst. "pahole" shows no size nor member offset changes to struct fw_eth_tx_pkt_vm_wr. "objdump -d" shows no object code changes. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19cxgb3: Use struct_group() for memcpy() regionKees Cook1-3/+6
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally writing across neighboring fields. Use struct_group() in struct rss_hdr around members imm_data and intr_gen, so they can be referenced together. This will allow memcpy() and sizeof() to more easily reason about sizes, improve readability, and avoid future warnings about writing beyond the end of imm_data. "pahole" shows no size nor member offset changes to struct rss_hdr. "objdump -d" shows no object code changes. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19net: phylink: add 1000base-KX to phylink_caps_to_linkmodes()Russell King (Oracle)1-0/+1
1000base-KX was missed in phylink_caps_to_linkmodes(), add it. This will be necessary to convert stmmac with xpcs to ensure we don't drop any supported linkmodes. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19s390/lcs: add braces around empty function bodyHeiko Carstens1-5/+6
Fix allmodconfig + W=1 compile breakage: drivers/s390/net/lcs.c: In function ‘lcs_get_frames_cb’: drivers/s390/net/lcs.c:1823:25: error: suggest braces around empty body in an ‘else’ statement [-Werror=empty-body] 1823 | ; // FIXME: error message ? | ^ Acked-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19s390/ctcm: add __printf format attribute to ctcm_dbf_longtextHeiko Carstens1-0/+1
Allow the compiler to recognize and check format strings and parameters. As reported with allmodconfig and W=1: drivers/s390/net/ctcm_dbug.c: In function ‘ctcm_dbf_longtext’: drivers/s390/net/ctcm_dbug.c:73:9: error: function ‘ctcm_dbf_longtext’ might be a candidate for ‘gnu_printf’ format attribute [-Werror=suggest-attribute=format] 73 | vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args); | ^~~~~~~~~ Acked-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19s390/ctcm: fix format stringHeiko Carstens1-1/+1
The second parameter as specified by the format string is actually a string not an integer. Acked-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19net/af_iucv: fix kernel doc commentsHeiko Carstens1-19/+19
Fix kernel doc comments where appropriate, or remove incorrect kernel doc indicators. Acked-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19net/iucv: fix kernel doc commentsHeiko Carstens1-62/+62
Fix kernel doc comments where appropriate or remove incorrect kernel doc indicators. Also move kernel doc comments directly before functions. Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19s390/qeth: allocate RX queue at probe timeJulian Wiedmann1-18/+17
We always need an RX queue, and there's no reconfig situation either where we would need to free & rebuild the queue. So allocate the RX queue right from the start, and avoid freeing it during unrelated qeth_free_qdio_queues() calls. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19natsemi: macsonic: use eth_hw_addr_set()Jakub Kicinski1-10/+17
Byte by byte assignments. Fixes build on m68k. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19cirrus: mac89x0: use eth_hw_addr_set()Jakub Kicinski1-2/+5
Byte by byte assignments. Fixes build on m68k. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19apple: macmace: use eth_hw_addr_set()Jakub Kicinski1-5/+9
Byte by byte assignments. Fixes build on m68k. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19lasi_82594: use eth_hw_addr_set()Jakub Kicinski1-2/+4
dev_addr is set from IO reads, passed to an arch-specific helper. Note that the helper never reads it so uninitialized temp is fine. Fixes build on parisc. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19smc9194: use eth_hw_addr_set()Jakub Kicinski1-2/+4
dev_addr is set from IO reads, and broken from a u16 value. Fixes build on Alpha. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-198390: wd: use eth_hw_addr_set()Jakub Kicinski1-1/+3
IO reads, so save to an array then eth_hw_addr_set(). Fixes build on x86 (32bit). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-198390: mac8390: use eth_hw_addr_set()Jakub Kicinski1-1/+3
Use temp to pass to the reading function, the function is generic so can't fix there. Fixes m68k build. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-198390: hydra: use eth_hw_addr_set()Jakub Kicinski1-1/+3
Loop with offsetting to every second byte, so use a temp buffer. Fixes m68k build. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-198390: smc-ultra: use eth_hw_addr_set()Jakub Kicinski1-1/+3
IO reads, so save to an array then eth_hw_addr_set(). Fixes build on Alpha. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19amd: mvme147: use eth_hw_addr_set()Jakub Kicinski1-6/+8
Byte by byte assignments. Fixes build on m68k. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19amd: atarilance: use eth_hw_addr_set()Jakub Kicinski1-2/+5
Byte by byte assignments. Fixes build on m68k. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19amd: hplance: use eth_hw_addr_set()Jakub Kicinski1-1/+3
Byte by byte assignments. Fixes build on m68k. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19amd: a2065/ariadne: use eth_hw_addr_set()Jakub Kicinski2-17/+21
dev_addr is initialized byte by byte from series. Fixes build on x86 (32bit). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19amd: ni65: use eth_hw_addr_set()Jakub Kicinski1-3/+5
IO reads, so save to an array then eth_hw_addr_set(). Fixes build on x86 (32bit). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-19amd: lance: use eth_hw_addr_set()Jakub Kicinski1-1/+3
IO reads, so save to an array then eth_hw_addr_set(). Fixes build on x86 (32bit). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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