- 04 Nov, 2020 10 commits
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/hwt.c:31:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-16-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/smttimer.c:22:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-15-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/smtinit.c:23:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-12-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/smtdef.c:26:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-11-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/rmt.c:49:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-10-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/queue.c:22:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-9-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/pmf.c:28:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-8-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/pcmplc.c:49:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-4-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
This variable is present in many source files and has not been used anywhere (at least internally) since it was introduced. Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/ecm.c: In function ‘ecm_fsm’: drivers/net/fddi/skfp/ecm.c:44:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-3-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Lee Jones authored
When AIX_EVENT is not defined, the 'if' body will be empty, which makes GCC complain. Place bracketing around the invocation to protect it. Fixes the following W=1 kernel build warning(s): drivers/net/fddi/skfp/ecm.c: In function ‘ecm_fsm’: drivers/net/fddi/skfp/ecm.c:153:29: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body] Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201102114512.1062724-2-lee.jones@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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- 03 Nov, 2020 30 commits
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Ido Schimmel authored
The nexthop notification chain is a per-namespace chain and not a global one like the netdev notification chain. Therefore, a single (global) listener cannot be registered to all these chains simultaneously as it will result in list corruptions whenever listeners are registered / unregistered. Instead, register a different listener in each namespace. Currently this is not an issue because only the VXLAN driver registers a listener to this chain, but this is going to change with netdevsim and mlxsw also registering their own listeners. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20201101113926.705630-1-idosch@idosch.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Xie He says: ==================== net: hdlc_fr: Improve fr_rx and add support for any Ethertype The main purpose of this series is the last patch. The previous 4 patches are just code clean-ups so that the last patch will not make the code too messy. The patches must be applied in sequence. The receiving code of this driver doesn't support arbitrary Ethertype values. It only recognizes a few known Ethertypes when receiving and drops skbs with other Ethertypes. However, the standard document RFC 2427 allows Frame Relay to support any Ethertype values. This series adds support for this. Change from v6: Remove the explanation about why only a 2-byte address field is accepted because I think it is inadequate and unnecessary. Change from v5: Small fix to the commit messages. Change from v4: Drop the change related to the stats.rx_dropped count. Improve the commit message by stating why only a 2-byte address field is accepted. Change from v3: Split the last patch into 2 patches. Improve the commit message about the stats.rx_dropped count. Change from v2: Small fix to the commit messages. Change from v1: Small fix to the commit messages. ==================== Link: https://lore.kernel.org/r/20201031181043.805329-1-xie.he.0141@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Xie He authored
Change the fr_rx function to make this driver support any Ethertype when receiving skbs on normal (non-Ethernet-emulating) PVC devices. (This driver is already able to handle any Ethertype when sending.) Originally in the fr_rx function, the code that parses the long (10-byte) header only recognizes a few Ethertype values and drops frames with other Ethertype values. This patch replaces this code to make fr_rx support any Ethertype. This patch also creates a new function fr_snap_parse as part of the new code. Cc: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Xie He <xie.he.0141@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Xie He authored
1. Change the skb->len check from "<= 4" to "< 4". At first we only need to ensure a 4-byte header is present. We indeed normally need the 5th byte, too, but it'd be more logical and cleaner to check its existence when we actually need it. 2. Add an fh->ea2 check to the initial checks in fr_rx. fh->ea2 == 1 means the second address byte is the final address byte. We only support the case where the address length is 2 bytes. Cc: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Xie He <xie.he.0141@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Xie He authored
When an skb is received on a normal (non-Ethernet-emulating) PVC device, call skb_reset_mac_header before we pass it to upper layers. This is because normal PVC devices don't have header_ops, so any header we have would not be visible to upper layer code when sending, so the header shouldn't be visible to upper layer code when receiving, either. Cc: Krzysztof Halasa <khc@pm.waw.pl> Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com> Signed-off-by: Xie He <xie.he.0141@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Xie He authored
The eth_type_trans function is called when we receive frames carrying Ethernet frames. This function expects a non-NULL pointer as an argument, and assigns it directly to skb->dev. However, the code handling other types of frames first assigns the pointer to "dev", and then at the end checks whether the value is NULL, and if it is not NULL, assigns it to skb->dev. The two flows are different. Mixing them in this function makes the code messy. It's better that we convert the second flow to align with how eth_type_trans does things. So this patch changes the code to: first make sure the pointer is not NULL, then assign it directly to skb->dev. "dev" is no longer needed until the end where we use it to update stats. Cc: Krzysztof Halasa <khc@pm.waw.pl> Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com> Signed-off-by: Xie He <xie.he.0141@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Xie He authored
When the fr_rx function drops a received frame (because the protocol type is not supported, or because the PVC virtual device that corresponds to the DLCI number and the protocol type doesn't exist), the function frees the skb and returns. The code for freeing the skb and returning is repeated several times, this patch uses "goto rx_drop" to replace them so that the code looks cleaner. Cc: Krzysztof Halasa <khc@pm.waw.pl> Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com> Signed-off-by: Xie He <xie.he.0141@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Lijun Pan authored
Commit b27507bb ("net/ibmvnic: unlock rtnl_lock in reset so linkwatch_event can run") introduced do_change_param_reset function to solve the rtnl lock issue. Majority of the code in do_change_param_reset duplicates do_reset. Also, we can handle the rtnl lock issue in do_reset itself. Hence merge do_change_param_reset back into do_reset to clean up the code. Signed-off-by: Lijun Pan <ljp@linux.ibm.com> Link: https://lore.kernel.org/r/20201031094645.17255-1-ljp@linux.ibm.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Guillaume Nault authored
Commit 394de110 ("net: Added pointer check for dst->ops->neigh_lookup in dst_neigh_lookup_skb") added a test in dst_neigh_lookup_skb() to avoid a NULL pointer dereference. The root cause was the MPLS forwarding code, which doesn't call skb_dst_drop() on incoming packets. That is, if the packet is received from a collect_md device, it has a metadata_dst attached to it that doesn't implement any dst_ops function. To align the MPLS behaviour with IPv4 and IPv6, let's drop the dst in mpls_forward(). This way, dst_neigh_lookup_skb() doesn't need to test ->neigh_lookup any more. Let's keep a WARN condition though, to document the precondition and to ease detection of such problems in the future. Signed-off-by: Guillaume Nault <gnault@redhat.com> Link: https://lore.kernel.org/r/f8c2784c13faa54469a2aac339470b1049ca6b63.1604102750.git.gnault@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Aleksandr Nogikh says: ==================== net, mac80211, kernel: enable KCOV remote coverage collection for 802.11 frame handling This patch series enables remote KCOV coverage collection during 802.11 frames processing. These changes make it possible to perform coverage-guided fuzzing in search of remotely triggerable bugs. Normally, KCOV collects coverage information for the code that is executed inside the system call context. It is easy to identify where that coverage should go and whether it should be collected at all by looking at the current process. If KCOV was enabled on that process, coverage will be stored in a buffer specific to that process. Howerever, it is not always enough as handling can happen elsewhere (e.g. in separate kernel threads). When it is impossible to infer KCOV-related info just by looking at the currently running process, one needs to manually pass some information to the code that should be instrumented. The information takes the form of 64 bit integers (KCOV remote handles). Zero is the special value that corresponds to an empty handle. More details on KCOV and remote coverage collection can be found in Documentation/dev-tools/kcov.rst. The series consists of three commits. 1. Apply a minor fix to kcov_common_handle() so that it returns a valid handle (zero) when called in an interrupt context. 2. Take the remote handle from KCOV and attach it to newly allocated SKBs as an skb extension. If the allocation happens inside a system call context, the SKB will be tied to the process that issued the syscall (if that process is interested in remote coverage collection). 3. Annotate the code that processes incoming 802.11 frames with kcov_remote_start()/kcov_remote_stop(). v5: * Collecting remote coverate at ieee80211_rx_list() instead of ieee80211_rx() v4: https://lkml.kernel.org/r/20201028182018.1780842-1-aleksandrnogikh@gmail.com * CONFIG_SKB_EXTENSIONS is now automatically selected by CONFIG_KCOV. * Elaborated on a minor optimization in skb_set_kcov_handle(). v3: https://lkml.kernel.org/r/20201026150851.528148-1-aleksandrnogikh@gmail.com * kcov_handle is now stored in skb extensions instead of sk_buff itself. * Updated the cover letter. v2: https://lkml.kernel.org/r/20201009170202.103512-1-a.nogikh@gmail.com * Moved KCOV annotations from ieee80211_tasklet_handler to ieee80211_rx. * Updated kcov_common_handle() to return 0 if it is called in interrupt context. * Updated the cover letter. v1: https://lkml.kernel.org/r/20201007101726.3149375-1-a.nogikh@gmail.com ==================== Link: https://lore.kernel.org/r/20201029173620.2121359-1-aleksandrnogikh@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Aleksandr Nogikh authored
Add KCOV remote annotations to ieee80211_iface_work() and ieee80211_rx_list(). This will enable coverage-guided fuzzing of mac80211 code that processes incoming 802.11 frames. Signed-off-by: Aleksandr Nogikh <nogikh@google.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Aleksandr Nogikh authored
Remote KCOV coverage collection enables coverage-guided fuzzing of the code that is not reachable during normal system call execution. It is especially helpful for fuzzing networking subsystems, where it is common to perform packet handling in separate work queues even for the packets that originated directly from the user space. Enable coverage-guided frame injection by adding kcov remote handle to skb extensions. Default initialization in __alloc_skb and __build_skb_around ensures that no socket buffer that was generated during a system call will be missed. Code that is of interest and that performs packet processing should be annotated with kcov_remote_start()/kcov_remote_stop(). An alternative approach is to determine kcov_handle solely on the basis of the device/interface that received the specific socket buffer. However, in this case it would be impossible to distinguish between packets that originated during normal background network processes or were intentionally injected from the user space. Signed-off-by: Aleksandr Nogikh <nogikh@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Aleksandr Nogikh authored
kcov_common_handle is a method that is used to obtain a "default" KCOV remote handle of the current process. The handle can later be passed to kcov_remote_start in order to collect coverage for the processing that is initiated by one process, but done in another. For details see Documentation/dev-tools/kcov.rst and comments in kernel/kcov.c. Presently, if kcov_common_handle is called in an IRQ context, it will return a handle for the interrupted process. This may lead to unreliable and incorrect coverage collection. Adjust the behavior of kcov_common_handle in the following way. If it is called in a task context, return the common handle for the currently running task. Otherwise, return 0. Signed-off-by: Aleksandr Nogikh <nogikh@google.com> Reviewed-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Tom Rix authored
A semicolon is not needed after a switch statement. Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20201031153047.2147341-1-trix@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Tom Rix authored
A semicolon is not needed after a switch statement. Signed-off-by: Tom Rix <trix@redhat.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/r/20201101140528.2279424-1-trix@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Tom Rix authored
A semicolon is not needed after a switch statement. Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20201101140720.2280013-1-trix@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Tom Rix authored
A semicolon is not needed after a switch statement. Signed-off-by: Tom Rix <trix@redhat.com> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20201101153647.2292322-1-trix@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Tom Rix authored
A semicolon is not needed after a switch statement. Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20201101155601.2294374-1-trix@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Tom Rix authored
A semicolon is not needed after a switch statement. Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20201101155822.2294856-1-trix@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Vladimir Oltean says: ==================== Generic TX reallocation for DSA Christian has reported buggy usage of skb_put() in tag_ksz.c, which is only triggerable in real life using his not-yet-published patches for IEEE 1588 timestamping on Micrel KSZ switches. The concrete problem there is that the driver can end up calling skb_put() and exceed the end of the skb data area, because even though it had reallocated the frame once before, it hadn't reallocated it large enough. Christian explained it in more detail here: https://lore.kernel.org/netdev/20201014161719.30289-1-ceggers@arri.de/ https://lore.kernel.org/netdev/20201016200226.23994-1-ceggers@arri.de/ But actually there's a bigger problem, which is that some taggers which get more rarely tested tend to do some shenanigans which are uncaught for the longest time, and in the meanwhile, their code gets copy-pasted into other taggers, creating a mess. For example, the tail tagging driver for Marvell 88E6060 currently reallocates _every_single_frame_ on TX. Is that an obvious indication that nobody is using it? Sure. Is it a good model to follow when developing a new tail tagging driver? No. DSA has all the information it needs in order to simplify the job of a tagger on TX. It knows whether it's a normal or a tail tagger, and what is the protocol overhead it incurs. So this series performs the reallocation centrally. Changes in v3: - Use dev_kfree_skb_any due to potential hardirq context in xmit path. Changes in v2: - Dropped the tx_realloc counters for now, since the patch was pretty controversial and I lack the time at the moment to introduce new UAPI for that. - Do padding for tail taggers irrespective of whether they need to reallocate the skb or not. ==================== Link: https://lore.kernel.org/r/20201101191620.589272-1-vladimir.oltean@nxp.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Cc: Per Forlin <per.forlin@axis.com> Cc: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Tested-by: Oleksij Rempel <linux@rempel-privat.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. This one is interesting, the DSA tag is 8 bytes on RX and 4 bytes on TX. Because DSA is unaware of asymmetrical tag lengths, the overhead/needed headroom is declared as 8 bytes and therefore 4 bytes larger than it needs to be. If this becomes a problem, and the GSWIP driver can't be converted to a uniform header length, we might need to make DSA aware of separate RX/TX overhead values. Cc: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Similar to the EtherType DSA tagger, the old Marvell tagger can transform an 802.1Q header if present into a DSA tag, so there is no headroom required in that case. But we are ensuring that it exists, regardless (practically speaking, the headroom must be 4 bytes larger than it needs to be). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Cc: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Note that the VLAN code path needs a smaller extra headroom than the regular EtherType DSA path. That isn't a problem, because this tagger declares the larger tag length (8 bytes vs 4) as the protocol overhead, so we are covered in both cases. Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Cc: DENG Qingfang <dqfext@gmail.com> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Cc: John Crispin <john@phrozen.org> Cc: Alexander Lobakin <alobakin@pm.me> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Christian Eggers authored
The caller (dsa_slave_xmit) guarantees that the frame length is at least ETH_ZLEN and that enough memory for tail tagging is available. Signed-off-by: Christian Eggers <ceggers@arri.de> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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