- May 06, 2022
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Louis Peens authored
With the neighbour entries now stored in a dedicated table there is no use to make use of the tunnel route cache anymore, so remove this. Signed-off-by:
Louis Peens <louis.peens@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>
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Louis Peens authored
Add helper functions that can create links between flow rules and cached neighbour entries. Also add the relevant calls to these functions. * When a new neighbour entry gets added cycle through the saved pre_tun flow list and link any relevant matches. Update the neighbour table on the nfp with this new information. * When a new pre_tun flow rule gets added iterate through the save neighbour entries and link any relevant matches. Once again update the nfp neighbour table with any new links. * Do the inverse when deleting - remove any created links and also inform the nfp of this. Signed-off-by:
Louis Peens <louis.peens@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>
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Louis Peens authored
This patch updates the way in which the tunnel neighbour entries are handled. Previously they were mostly send-and-forget, with just the destination IP's cached in a list. This update changes to a scheme where the neighbour entry information is stored in a hash table. The reason for this is that the neighbour table will now also be used on the decapsulation path, whereas previously it was only used for encapsulation. We need to save more of the neighbour information in order to link them with flower flows in follow up patches. Updating of the neighbour table is now also handled by the same function, instead of separate *_write_neigh_vX functions. Signed-off-by:
Louis Peens <louis.peens@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>
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Louis Peens authored
Prepare for more rework in following patches by updating the existing nfp_neigh_structs. The update allows for the same headers to be used for both old and new firmware, with a slight length adjustment when sending the control message to the firmware. Signed-off-by:
Louis Peens <louis.peens@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>
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Louis Peens authored
When a callback is received to invalidate a neighbour entry there is no need to try and populate any other flow information. Only the flowX->daddr information is needed as lookup key to delete an entry from the NFP neighbour table. Fix this by only doing the lookup if the callback is for a new entry. As part of this cleanup remove the setting of flow6.flowi6_proto, as this is not needed either, it looks to be a possible leftover from a previous implementation. Signed-off-by:
Louis Peens <louis.peens@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>
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Louis Peens authored
Make sure that the rule also matches on source MAC address. On top of that also now save the src and dst MAC addresses similar to how vlan_tci is saved - this will be used in later comparisons with neighbour entries. Indicate if the flow matched on ipv4 or ipv6. Populate the vlan_tpid field that got added to the pre_run_rule struct as well. Signed-off-by:
Louis Peens <louis.peens@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>
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Louis Peens authored
Add calls to add and remove flows to the predt_table. This very simply just allocates and add a new pretun entry if detected as such, and removes it when encountered on a delete flow. Compatibility for older firmware is kept in place through the DECAP_V2 feature bit. Signed-off-by:
Louis Peens <louis.peens@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>
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Louis Peens authored
The previous implementation of using a pre_tun_table for decap has some limitations, causing flows to end up unoffloaded when in fact we are able to offload them. This is because the pre_tun_table does not have enough matching resolution. The next step is to instead make use of the neighbour table which already exists for the encap direction. This patch prepares for this by: - Moving nfp_tun_neigh/_v6 to main.h. - Creating two new "wrapping" structures, one to keep track of neighbour entries (previously they were send-and-forget), and another to keep track of pre_tun flows. - Create a new list in nfp_flower_priv to keep track of pre_tunnel flows - Create a new table in nfp_flower_priv to keep track of next neighbour entries - Initialising and destroying these new list/tables - Extending nfp_fl_payload->pre_tun_rule to save more information for future use. Signed-off-by:
Louis Peens <louis.peens@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>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queueDavid S. Miller authored
Tony Nguyen says: ==================== 100GbE Intel Wired LAN Driver Updates 2022-05-05 This series contains updates to ice driver only. Wan Jiabing converts an open coded min selection to min_t(). Maciej commonizes on a single find VSI function and removes the duplicated implementation. Wojciech adjusts the return value when exceeding ICE_MAX_CHAIN_WORDS to, a more appropriate, -ENOSPC and allows for the error to be propagated. Michal adds support for ndo_get_devlink_port(). Jake does some cleanup related to virtualization code. Mainly involving function header comments and wording changes. NULL checks are added to ice_get_vf_vsi() calls in order to prevent static analysis tools from complaining that a NULL value could be dereferenced. --- v2: Dropped patch 1: "ice: Add support for classid based queue selection" ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Mat Martineau says: ==================== mptcp: Improve MPTCP-level window tracking This series improves MPTCP receive window compliance with RFC 8684 and helps increase throughput on high-speed links. Note that patch 3 makes a change in tcp_output.c For the details, Paolo says: I've been chasing bad/unstable performance with multiple subflows on very high speed links. It looks like the root cause is due to the current mptcp-level congestion window handling. There are apparently a few different sub-issues: - the rcv_wnd is not effectively shared on the tx side, as each subflow takes in account only the value received by the underlaying TCP connection. This is addressed in patch 1/5 - The mptcp-level offered wnd right edge is currently allowed to shrink. Reading section 3.3.4.: """ The receive window is relative to the DATA_ACK. As in TCP, a receiver MUST NOT shrink the right edge of the receive window (i.e., DATA_ACK + receive window). The receiver will use the data sequence number to tell if a packet should be accepted at the connection level. """ I read the above as we need to reflect window right-edge tracking on the wire, see patch 4/5. - The offered window right edge tracking can happen concurrently on multiple subflows, but there is no mutex protection. We need an additional atomic operation - still patch 4/5 This series additionally bumps a few new MIBs to track all the above (ensure/observe that the suspected races actually take place). I could not access again the host where the issue was so noticeable, still in the current setup the tput changes from [6-18] Gbps to 19Gbps very stable. ==================== Link: https://lore.kernel.org/r/20220504215408.349318-1-mathew.j.martineau@linux.intel.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Paolo Abeni authored
Track the exceptional handling of MPTCP-level offered window with a few more counters for observability. Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Paolo Abeni authored
As per RFC, the offered MPTCP-level window should never shrink. While we currently track the right edge, we don't enforce the above constraint on the wire. Additionally, concurrent xmit on different subflows can end-up in erroneous right edge update. Address the above explicitly updating the announced window and protecting the update with an additional atomic operation (sic) Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Paolo Abeni authored
The MPTCP RFC requires that the MPTCP-level receive window's right edge never moves backward. Currently the MPTCP code enforces such constraint while tracking the right edge, but it does not reflects it on the wire, as MPTCP lacks a suitable hook to update accordingly the TCP header. This change modifies the existing mptcp_write_options() hook, providing the current packet's TCP header to the MPTCP protocol, so that the next patch could implement the above mentioned constraint. No functional changes intended. Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Paolo Abeni authored
Bump a counter for counter when snd_wnd is shared among subflow, for observability's sake. Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Paolo Abeni authored
As per RFC, mptcp subflows use a "shared" snd_wnd: the effective window is the maximum among the current values received on all subflows. Without such feature a data transfer using multiple subflows could block. Window sharing is currently implemented in the RX side: __tcp_select_window uses the mptcp-level receive buffer to compute the announced window. That is not enough: the TCP stack will stick to the window size received on the given subflow; we need to propagate the msk window value on each subflow at xmit time. Change the packet scheduler to ignore the subflow level window and use instead the msk level one Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Andy Shevchenko authored
There is export_uuid() function which exports uuid_t to the u8 array. Use it instead of open coding variant. This allows to hide the uuid_t internals. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20220504091407.70661-1-andriy.shevchenko@linux.intel.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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David Ahern authored
msg_zerocopy_alloc is only used by msg_zerocopy_realloc; remove the export and make static in skbuff.c Signed-off-by:
David Ahern <dsahern@kernel.org> Acked-by:
Jonathan Lemon <jonathan.lemon@gmail.com> Link: https://lore.kernel.org/r/20220504170947.18773-1-dsahern@kernel.org Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Make the drivers with custom tx napi weight call netif_napi_add_tx_weight(). Reviewed-by:
Xuan Zhuo <xuanzhuo@linux.alibaba.com> Link: https://lore.kernel.org/r/20220504163725.550782-2-kuba@kernel.org Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Switch net callers to the new API not requiring the NAPI_POLL_WEIGHT argument. Acked-by:
Florian Fainelli <f.fainelli@gmail.com> Reviewed-by:
Alex Elder <elder@linaro.org> Acked-by:
Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by:
Alexandra Winter <wintera@linux.ibm.com> Link: https://lore.kernel.org/r/20220504163725.550782-1-kuba@kernel.org Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Remove a define which looks like a OS abstraction layer and makes spatch conversions on this driver problematic. Link: https://lore.kernel.org/r/20220504163939.551231-1-kuba@kernel.org Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Christophe Leroy authored
powerpc's asm/prom.h includes some headers that it doesn't need itself. In order to clean powerpc's asm/prom.h up in a further step, first clean all files that include asm/prom.h Some files don't need asm/prom.h at all. For those ones, just remove inclusion of asm/prom.h Some files don't need any of the items provided by asm/prom.h, but need some of the headers included by asm/prom.h. For those ones, add the needed headers that are brought by asm/prom.h at the moment and remove asm/prom.h Some files really need asm/prom.h but also need some of the headers included by asm/prom.h. For those one, leave asm/prom.h but also add the needed headers so that they can be removed from asm/prom.h in a later step. Signed-off-by:
Christophe Leroy <christophe.leroy@csgroup.eu> Link: https://lore.kernel.org/r/09a13d592d628de95d30943e59b2170af5b48110.1651663857.git.christophe.leroy@csgroup.eu Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Christophe Leroy authored
powerpc's <asm/prom.h> includes some headers that it doesn't need itself. In order to clean powerpc's <asm/prom.h> up in a further step, first clean all files that include <asm/prom.h> sungem_phy.c doesn't use any object provided by <asm/prom.h>. But removing inclusion of <asm/prom.h> leads to the following errors: CC drivers/net/sungem_phy.o drivers/net/sungem_phy.c: In function 'bcm5421_init': drivers/net/sungem_phy.c:448:42: error: implicit declaration of function 'of_get_parent'; did you mean 'dget_parent'? [-Werror=implicit-function-declaration] 448 | struct device_node *np = of_get_parent(phy->platform_data); | ^~~~~~~~~~~~~ | dget_parent drivers/net/sungem_phy.c:448:42: warning: initialization of 'struct device_node *' from 'int' makes pointer from integer without a cast [-Wint-conversion] drivers/net/sungem_phy.c:450:35: error: implicit declaration of function 'of_get_property' [-Werror=implicit-function-declaration] 450 | if (np == NULL || of_get_property(np, "no-autolowpower", NULL)) | ^~~~~~~~~~~~~~~ Remove <asm/prom.h> from included headers but add <linux/of.h> to handle the above. Signed-off-by:
Christophe Leroy <christophe.leroy@csgroup.eu> Link: https://lore.kernel.org/r/f7a7fab3ec5edf803d934fca04df22631c2b449d.1651662885.git.christophe.leroy@csgroup.eu Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Eyal Birger authored
The commit referenced in the "Fixes" tag added the SO_RCVMARK socket option for receiving the skb mark in the ancillary data. Since this is a new capability, and exposes admin configured details regarding the underlying network setup to sockets, let's align the needed capabilities with those of SO_MARK. Fixes: 6fd1d51c ("net: SO_RCVMARK socket option for SO_MARK with recvmsg()") Signed-off-by:
Eyal Birger <eyal.birger@gmail.com> Link: https://lore.kernel.org/r/20220504095459.2663513-1-eyal.birger@gmail.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
This reverts commit 5e927a9f, reversing changes made to cfc1d91a . The discussion is still ongoing so let's remove the uAPI until the discussion settles. Link: https://lore.kernel.org/all/20220425090021.32e9a98f@kernel.org/ Reviewed-by:
Ido Schimmel <idosch@nvidia.com> Link: https://lore.kernel.org/r/20220504154037.539442-1-kuba@kernel.org Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski authored
tools/testing/selftests/net/forwarding/Makefile f62c5acc ("selftests/net/forwarding: add missing tests to Makefile") 50fe062c ("selftests: forwarding: new test, verify host mdb entries") https://lore.kernel.org/all/20220502111539.0b7e4621@canb.auug.org.au/ Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Jacob Keller authored
The ice_for_each_vf macros have comments describing the implementation. One of the arguments has a period on the end, which is not our typical style. Remove the unnecessary period. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Jacob Keller authored
This function definition was missing a comment describing its implementation. Add one. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Jacob Keller authored
The comment explaining ice_reset_vf has an extraneous "the" with the "if the resets are disabled". Remove it. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Jacob Keller authored
Since commit fe99d1c0 ("ice: make ice_reset_all_vfs void"), the ice_reset_all_vfs function has not returned anything. The function comment still indicated it did. Fix this. While here, also add a line to clarify the function resets all VFs at once in response to hardware resets such as a PF reset. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Jacob Keller authored
The ice_get_vf_vsi function can return NULL in some cases, such as if handling messages during a reset where the VSI is being removed and recreated. Several places throughout the driver do not bother to check whether this VSI pointer is valid. Static analysis tools maybe report issues because they detect paths where a potentially NULL pointer could be dereferenced. Fix this by checking the return value of ice_get_vf_vsi everywhere. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Reviewed-by:
Paul Menzel <pmenzel@molgen.mpg.de> Tested-by:
Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Jacob Keller authored
The debug print in ice_vf_fdir_dump_info does not end in newlines. This can look confusing when reading the kernel log, as the next print will immediately continue on the same line. Fix this by adding the forgotten newline. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Reviewed-by:
Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Michal Swiatkowski authored
Switch id should be the same for each netdevice on a driver. The id must be unique between devices on the same system, but does not need to be unique between devices on different systems. The switch id is used to locate ports on a switch and to know if aggregated ports belong to the same switch. To meet this requirements, use pci_get_dsn as switch id value, as this is unique value for each devices on the same system. Implementing switch id is needed by automatic tools for kubernetes. Set switch id by setting devlink port attribiutes and calling devlink_port_attrs_set while creating pf (for uplink) and vf (for representator) devlink port. To get switch id (in switchdev mode): cat /sys/class/net/$PF0/phys_switch_id Signed-off-by:
Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Signed-off-by:
Marcin Szycik <marcin.szycik@linux.intel.com> Tested-by:
Sandeep Penigalapati <sandeep.penigalapati@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Wojciech Drewek authored
When number of words exceeds ICE_MAX_CHAIN_WORDS, -ENOSPC should be returned not -EINVAL. Do not overwrite this error code in ice_add_tc_flower_adv_fltr. Signed-off-by:
Wojciech Drewek <wojciech.drewek@intel.com> Suggested-by:
Marcin Szycik <marcin.szycik@linux.intel.com> Acked-by:
Maciej Fijalkowski <maciej.fijalkowski@intel.com> Tested-by:
Sandeep Penigalapati <sandeep.penigalapati@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Maciej Fijalkowski authored
Both ice_idc.c and ice_virtchnl.c carry their own implementation of a helper function that is looking for a given VSI based on provided vsi_num. Their functionality is the same, so let's introduce the common function in ice.h that both of the mentioned sites will use. This is a strictly cleanup thing, no functionality is changed. Reviewed-by:
Alexander Lobakin <alexandr.lobakin@intel.com> Signed-off-by:
Maciej Fijalkowski <maciej.fijalkowski@intel.com> Tested-by:
Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Wan Jiabing authored
Fix the following coccicheck warning: ./drivers/net/ethernet/intel/ice/ice_gnss.c:79:26-27: WARNING opportunity for min() Signed-off-by:
Wan Jiabing <wanjiabing@vivo.com> Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds authored
Pull networking fixes from Paolo Abeni: "Including fixes from can, rxrpc and wireguard. Previous releases - regressions: - igmp: respect RCU rules in ip_mc_source() and ip_mc_msfilter() - mld: respect RCU rules in ip6_mc_source() and ip6_mc_msfilter() - rds: acquire netns refcount on TCP sockets - rxrpc: enable IPv6 checksums on transport socket - nic: hinic: fix bug of wq out of bound access - nic: thunder: don't use pci_irq_vector() in atomic context - nic: bnxt_en: fix possible bnxt_open() failure caused by wrong RFS flag - nic: mlx5e: - lag, fix use-after-free in fib event handler - fix deadlock in sync reset flow Previous releases - always broken: - tcp: fix insufficient TCP source port randomness - can: grcan: grcan_close(): fix deadlock - nfc: reorder destructive operations in to avoid bugs Misc: - wireguard: improve selftests reliability" * tag 'net-5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (63 commits) NFC: netlink: fix sleep in atomic bug when firmware download timeout selftests: ocelot: tc_flower_chains: specify conform-exceed action for policer tcp: drop the hash_32() part from the index calculation tcp: increase source port perturb table to 2^16 tcp: dynamically allocate the perturb table used by source ports tcp: add small random increments to the source port tcp: resalt the secret every 10 seconds tcp: use different parts of the port_offset for index and offset secure_seq: use the 64 bits of the siphash for port offset calculation wireguard: selftests: set panic_on_warn=1 from cmdline wireguard: selftests: bump package deps wireguard: selftests: restore support for ccache wireguard: selftests: use newer toolchains to fill out architectures wireguard: selftests: limit parallelism to $(nproc) tests at once wireguard: selftests: make routing loop test non-fatal net/mlx5: Fix matching on inner TTC net/mlx5: Avoid double clear or set of sync reset requested net/mlx5: Fix deadlock in sync reset flow net/mlx5e: Fix trust state reset in reload net/mlx5e: Avoid checking offload capability in post_parse action ...
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- May 05, 2022
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Casper Andersson authored
Handle adding and removing MDB entries for host Signed-off-by:
Casper Andersson <casper.casan@gmail.com> Link: https://lore.kernel.org/r/20220503093922.1630804-1-casper.casan@gmail.com Signed-off-by:
Paolo Abeni <pabeni@redhat.com>
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Duoming Zhou authored
There are sleep in atomic bug that could cause kernel panic during firmware download process. The root cause is that nlmsg_new with GFP_KERNEL parameter is called in fw_dnld_timeout which is a timer handler. The call trace is shown below: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:265 Call Trace: kmem_cache_alloc_node __alloc_skb nfc_genl_fw_download_done call_timer_fn __run_timers.part.0 run_timer_softirq __do_softirq ... The nlmsg_new with GFP_KERNEL parameter may sleep during memory allocation process, and the timer handler is run as the result of a "software interrupt" that should not call any other function that could sleep. This patch changes allocation mode of netlink message from GFP_KERNEL to GFP_ATOMIC in order to prevent sleep in atomic bug. The GFP_ATOMIC flag makes memory allocation operation could be used in atomic context. Fixes: 9674da87 ("NFC: Add firmware upload netlink command") Fixes: 9ea7187c ("NFC: netlink: Rename CMD_FW_UPLOAD to CMD_FW_DOWNLOAD") Signed-off-by:
Duoming Zhou <duoming@zju.edu.cn> Reviewed-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220504055847.38026-1-duoming@zju.edu.cn Signed-off-by:
Paolo Abeni <pabeni@redhat.com>
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Jakub Kicinski authored
Vladimir Oltean says: ==================== Ocelot VCAP cleanups This is a series of minor code cleanups brought to the Ocelot switch driver logic for VCAP filters. - don't use list_for_each_safe() in ocelot_vcap_filter_add_to_block - don't use magic numbers for OCELOT_POLICER_DISCARD ==================== Link: https://lore.kernel.org/r/20220503120150.837233-1-vladimir.oltean@nxp.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
OCELOT_POLICER_DISCARD helps "kill dropped packets dead" since a PERMIT/DENY mask mode with a port mask of 0 isn't enough to stop the CPU port from receiving packets removed from the forwarding path. The hardcoded initialization done for it in ocelot_vcap_init() is confusing. All we need from it is to have a rate and a burst size of 0. Reuse qos_policer_conf_set() for that purpose. Signed-off-by:
Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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