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idev->cnf.ignore_routes_with_linkdown can be used without any locks,
add appropriate annotations.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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idev->cnf.forwarding and net->ipv6.devconf_all->forwarding
might be read locklessly, add appropriate READ_ONCE()
and WRITE_ONCE() annotations.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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idev->cnf.mtu6 might be read locklessly, add appropriate READ_ONCE()
and WRITE_ONCE() annotations.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cross-merge networking fixes after downstream PR.
Conflicts:
net/mptcp/protocol.c
adf1bb78dab5 ("mptcp: fix snd_wnd initialization for passive socket")
9426ce476a70 ("mptcp: annotate lockless access for RX path fields")
https://lore.kernel.org/all/20240228103048.19255709@canb.auug.org.au/
Adjacent changes:
drivers/dpll/dpll_core.c
0d60d8df6f49 ("dpll: rely on rcu for netdev_dpll_pin()")
e7f8df0e81bf ("dpll: move xa_erase() call in to match dpll_pin_alloc() error path order")
drivers/net/veth.c
1ce7d306ea63 ("veth: try harder when allocating queue memory")
0bef512012b1 ("net: add netdev_lockdep_set_classes() to virtual drivers")
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
8c9bef26e98b ("wifi: iwlwifi: mvm: d3: implement suspend with MLO")
78f65fbf421a ("wifi: iwlwifi: mvm: ensure offloading TID queue exists")
net/wireless/nl80211.c
f78c1375339a ("wifi: nl80211: reject iftype change with mesh ID change")
414532d8aa89 ("wifi: cfg80211: use IEEE80211_MAX_MESH_ID_LEN appropriately")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a multicast group to the ioam6 generic netlink family and provide
ioam6_event() to send an ioam6 event to the multicast group.
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update three callers including both ipv4 and ipv6 and let the dropreason
mechanism work in reality.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In this patch, I equipped this function with more dropreasons, but
it still doesn't work yet, which I will do later.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Soon later patches can use these relatively more accurate
reasons to recognise and find out the cause.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding one drop reason to detect the condition of skb dropped
because of hook points in cookie check and extending NO_SOCKET
to consider another two cases can be used later.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds /proc/sys/net/core/mem_pcpu_rsv sysctl file,
to make SK_MEMORY_PCPU_RESERV tunable.
Commit 3cd3399dd7a8 ("net: implement per-cpu reserves for
memory_allocated") introduced per-cpu forward alloc cache:
"Implement a per-cpu cache of +1/-1 MB, to reduce number
of changes to sk->sk_prot->memory_allocated, which
would otherwise be cause of false sharing."
sk_prot->memory_allocated points to global atomic variable:
atomic_long_t tcp_memory_allocated ____cacheline_aligned_in_smp;
If increasing the per-cpu cache size from 1MB to e.g. 16MB,
changes to sk->sk_prot->memory_allocated can be further reduced.
Performance may be improved on system with many cores.
Signed-off-by: Adam Li <adamli@os.amperecomputing.com>
Reviewed-by: Christoph Lameter (Ampere) <cl@linux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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struct ifacaddr6 are already freed after RCU grace period.
Add __rcu qualifier to aca_next pointer, and idev->ac_list
Add relevant rcu_assign_pointer() and dereference accessors.
ipv6_chk_acast_dev() no longer needs to acquire idev->lock.
/proc/net/anycast6 is now purely RCU protected, it no
longer acquires idev->lock.
Similarly in6_dump_addrs() can use RCU protection to iterate
through anycast addresses. It was relying on a mixture of RCU
and RTNL but next patches will get rid of RTNL there.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240223201054.220534-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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nexthop_mpath_fill_node() will be potentially called
from contexts holding rcu_lock instead of RTNL.
Suggested-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/all/ZdZDWVdjMaQkXBgW@shredder/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new field into struct fib_dump_filter, to let callers
tell if they use RTNL locking or RCU.
This is used in the following patch, when inet_dump_fib()
no longer holds RTNL.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similarly to RTNL_FLAG_DOIT_UNLOCKED, this new flag
allows dump operations registered via rtnl_register()
or rtnl_register_module() to opt-out from RTNL protection.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the local variable in GENL_REQ_ATTR_CHECK() const.
genl_info_dump() returns a const pointer, so the macro
is currently hard to use in genl dumps.
Link: https://lore.kernel.org/r/20240222222819.156320-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, mctp_local_output only takes ownership of skb on success, and
we may leak an skb if mctp_local_output fails in specific states; the
skb ownership isn't transferred until the actual output routing occurs.
Instead, make mctp_local_output free the skb on all error paths up to
the route action, so it always consumes the passed skb.
Fixes: 833ef3b91de6 ("mctp: Populate socket implementation")
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240220081053.1439104-1-jk@codeconstruct.com.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:
====================
netfilter updates for net-next
1. Prefer KMEM_CACHE() macro to create kmem caches, from Kunwu Chan.
Patches 2 and 3 consolidate nf_log NULL checks and introduces
extra boundary checks on family and type to make it clear that no out
of bounds access will happen. No in-tree user currently passes such
values, but thats not clear from looking at the function.
From Pablo Neira Ayuso.
Patch 4, also from Pablo, gets rid of unneeded conditional in
nft_osf init function.
Patch 5, from myself, fixes erroneous Kconfig dependencies that
came in an earlier net-next pull request. This should get rid
of the xtables related build failure reports.
Patches 6 to 10 are an update to nftables' concatenated-ranges
set type to speed up element insertions. This series also
compacts a few data structures and cleans up a few oddities such
as reliance on ZERO_SIZE_PTR when asking to allocate a set with
no elements. From myself.
Patches 11 moves the nf_reinject function from the netfilter core
(vmlinux) into the nfnetlink_queue backend, the only location where
this is called from. Also from myself.
Patch 12, from Kees Cook, switches xtables' compat layer to use
unsafe_memcpy because xt_entry_target cannot easily get converted
to a real flexible array (its UAPI and used inside other structs).
* tag 'nf-next-24-02-21' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: x_tables: Use unsafe_memcpy() for 0-sized destination
netfilter: move nf_reinject into nfnetlink_queue modules
netfilter: nft_set_pipapo: use GFP_KERNEL for insertions
netfilter: nft_set_pipapo: speed up bulk element insertions
netfilter: nft_set_pipapo: shrink data structures
netfilter: nft_set_pipapo: do not rely on ZERO_SIZE_PTR
netfilter: nft_set_pipapo: constify lookup fn args where possible
netfilter: xtables: fix up kconfig dependencies
netfilter: nft_osf: simplify init path
netfilter: nf_log: validate nf_logger_find_get()
netfilter: nf_log: consolidate check for NULL logger in lookup function
netfilter: expect: Simplify the allocation of slab caches in nf_conntrack_expect_init
====================
Link: https://lore.kernel.org/r/20240221112637.5396-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cross-merge networking fixes after downstream PR.
Conflicts:
net/ipv4/udp.c
f796feabb9f5 ("udp: add local "peek offset enabled" flag")
56667da7399e ("net: implement lockless setsockopt(SO_PEEK_OFF)")
Adjacent changes:
net/unix/garbage.c
aa82ac51d633 ("af_unix: Drop oob_skb ref before purging queue in GC.")
11498715f266 ("af_unix: Remove io_uring code for GC.")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.9
The third "new features" pull request for v6.9. This is a quick
followup to send commit 04edb5dc68f4 ("wifi: ath12k: Fix uninitialized
use of ret in ath12k_mac_allocate()") to fix the ath12k clang warning
introduced in the previous pull request.
We also have support for QCA2066 in ath11k, several new features in
ath12k and few other changes in drivers. In stack it's mostly cleanup
and refactoring.
Major changes:
ath12k
* firmware-2.bin support
* support having multiple identical PCI devices (firmware needs to
have ATH12K_FW_FEATURE_MULTI_QRTR_ID)
* QCN9274: support split-PHY devices
* WCN7850: enable Power Save Mode in station mode
* WCN7850: P2P support
ath11k:
* QCA6390 & WCN6855: support 2 concurrent station interfaces
* QCA2066 support
iwlwifi
* mvm: support wider-bandwidth OFDMA
* bump firmware API to 90 for BZ/SC devices
brcmfmac
* DMI nvram filename quirk for ACEPC W5 Pro
* tag 'wireless-next-2024-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (75 commits)
wifi: wilc1000: revert reset line logic flip
wifi: brcmfmac: Add DMI nvram filename quirk for ACEPC W5 Pro
wifi: rtlwifi: set initial values for unexpected cases of USB endpoint priority
wifi: rtl8xxxu: check vif before using in rtl8xxxu_tx()
wifi: rtlwifi: rtl8192cu: Fix TX aggregation
wifi: wilc1000: remove AKM suite be32 conversion for external auth request
wifi: nl80211: refactor parsing CSA offsets
wifi: nl80211: force WLAN_AKM_SUITE_SAE in big endian in NL80211_CMD_EXTERNAL_AUTH
wifi: iwlwifi: load b0 version of ucode for HR1/HR2
wifi: iwlwifi: handle per-phy statistics from fw
wifi: iwlwifi: iwl-fh.h: fix kernel-doc issues
wifi: iwlwifi: api: fix kernel-doc reference
wifi: iwlwifi: mvm: unlock mvm if there is no primary link
wifi: iwlwifi: bump FW API to 90 for BZ/SC devices
wifi: iwlwifi: mvm: support PHY context version 6
wifi: iwlwifi: mvm: partially support PHY context version 6
wifi: iwlwifi: mvm: support wider-bandwidth OFDMA
wifi: cfg80211: use ML element parsing helpers
wifi: mac80211: align ieee80211_mle_get_bss_param_ch_cnt()
wifi: cfg80211: refactor RNR parsing
...
====================
Link: https://lore.kernel.org/r/20240222105205.CEC54C433F1@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, we lookup sk_keys from the entire struct net_namespace, which
may contain multiple MCTP net IDs. In those cases we want to distinguish
between endpoints with the same EID but different net ID.
Add the net ID data to the struct mctp_sk_key, populate on add and
filter on this during route lookup.
For the ioctl interface, we use a default net of
MCTP_INITIAL_DEFAULT_NET (ie., what will be in use for single-net
configurations), but we'll extend the ioctl interface to provide
net-specific tag allocation in an upcoming change.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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We have a double-swap of local and peer addresses in
mctp_alloc_local_tag; the arguments in both call sites are swapped, but
there is also a swap in the implementation of alloc_local_tag. This is
opaque because we're using source/dest address references, which don't
match the local/peer semantics.
Avoid this confusion by naming the arguments as 'local' and 'peer', and
remove the double swap. The calling order now matches mctp_key_alloc.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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dst is transferred to the flow object, route object does not own it
anymore. Reset dst in route object, otherwise if flow_offload_add()
fails, error path releases dst twice, leading to a refcount underflow.
Fixes: a3c90f7a2323 ("netfilter: nf_tables: flow offload expression")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Make cfg80211_inform_bss_frame_data() call the existing
cfg80211_inform_bss_data() after parsing the frame in the
appropriate way, so we have less code duplication. This
required introducing a new CFG80211_BSS_FTYPE_S1G_BEACON,
but that can be used by other drivers as well.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240216135047.874aed1eff5f.Ib7d88d126eec50c64763251a78cb432bb5df14df@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Some drivers need the data in it, so move it to the link conf,
which is exposed to the driver.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206164849.6fe9782b87b4.Ifbffef638f07ca7f5c2b27f40d2cf2942d21de0b@changeid
[remove bss pointer from internal struct, update docs]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, function to check if beacon countdown is complete uses deflink
to fetch the beacon and check the counter. However, with MLO, there is
a need to check the counter for the beacon in a particular link.
Add support to use link_id in order to fetch the beacon from a particular
link data.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240216144621.514385-2-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.9
The second "new features" pull request for v6.9. Lots of iwlwifi and
stack changes this time. And naturally smaller changes to other drivers.
We also twice merged wireless into wireless-next to avoid conflicts
between the trees.
Major changes:
stack
* mac80211: negotiated TTLM request support
* SPP A-MSDU support
* mac80211: wider bandwidth OFDMA config support
iwlwifi
* kunit tests
* bump FW API to 89 for AX/BZ/SC devices
* enable SPP A-MSDUs
* support for new devices
ath12k
* refactoring in preparation for Multi-Link Operation (MLO) support
* 1024 Block Ack window size support
* provide firmware wmi logs via a trace event
ath11k
* 36 bit DMA mask support
* support 6 GHz station power modes: Low Power Indoor (LPI), Standard
Power) SP and Very Low Power (VLP)
rtl8xxxu
* TP-Link TL-WN823N V2 support
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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No need to keep this in the core, move it to the nfnetlink_queue module.
nf_reroute is moved too, there were no other callers.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Last major reorg happened in commit 9115e8cd2a0c ("net: reorganize
struct sock for better data locality")
Since then, many changes have been done.
Before SO_PEEK_OFF support is added to TCP, we need
to move sk_peek_off to a better location.
It is time to make another pass, and add six groups,
without explicit alignment.
- sock_write_rx (following sk_refcnt) read-write fields in rx path.
- sock_read_rx read-mostly fields in rx path.
- sock_read_rxtx read-mostly fields in both rx and tx paths.
- sock_write_rxtx read-write fields in both rx and tx paths.
- sock_write_tx read-write fields in tx paths.
- sock_read_tx read-mostly fields in tx paths.
Results on TCP_RR benchmarks seem to show a gain (4 to 5 %).
It is possible UDP needs a change, because sk_peek_off
shares a cache line with sk_receive_queue.
If this the case, we can exchange roles of sk->sk_receive
and up->reader_queue queues.
After this change, we have the following layout:
struct sock {
struct sock_common __sk_common; /* 0 0x88 */
/* --- cacheline 2 boundary (128 bytes) was 8 bytes ago --- */
__u8 __cacheline_group_begin__sock_write_rx[0]; /* 0x88 0 */
atomic_t sk_drops; /* 0x88 0x4 */
__s32 sk_peek_off; /* 0x8c 0x4 */
struct sk_buff_head sk_error_queue; /* 0x90 0x18 */
struct sk_buff_head sk_receive_queue; /* 0xa8 0x18 */
/* --- cacheline 3 boundary (192 bytes) --- */
struct {
atomic_t rmem_alloc; /* 0xc0 0x4 */
int len; /* 0xc4 0x4 */
struct sk_buff * head; /* 0xc8 0x8 */
struct sk_buff * tail; /* 0xd0 0x8 */
} sk_backlog; /* 0xc0 0x18 */
struct {
atomic_t rmem_alloc; /* 0 0x4 */
int len; /* 0x4 0x4 */
struct sk_buff * head; /* 0x8 0x8 */
struct sk_buff * tail; /* 0x10 0x8 */
/* size: 24, cachelines: 1, members: 4 */
/* last cacheline: 24 bytes */
};
__u8 __cacheline_group_end__sock_write_rx[0]; /* 0xd8 0 */
__u8 __cacheline_group_begin__sock_read_rx[0]; /* 0xd8 0 */
rcu * sk_rx_dst; /* 0xd8 0x8 */
int sk_rx_dst_ifindex; /* 0xe0 0x4 */
u32 sk_rx_dst_cookie; /* 0xe4 0x4 */
unsigned int sk_ll_usec; /* 0xe8 0x4 */
unsigned int sk_napi_id; /* 0xec 0x4 */
u16 sk_busy_poll_budget; /* 0xf0 0x2 */
u8 sk_prefer_busy_poll; /* 0xf2 0x1 */
u8 sk_userlocks; /* 0xf3 0x1 */
int sk_rcvbuf; /* 0xf4 0x4 */
rcu * sk_filter; /* 0xf8 0x8 */
/* --- cacheline 4 boundary (256 bytes) --- */
union {
rcu * sk_wq; /* 0x100 0x8 */
struct socket_wq * sk_wq_raw; /* 0x100 0x8 */
}; /* 0x100 0x8 */
union {
rcu * sk_wq; /* 0 0x8 */
struct socket_wq * sk_wq_raw; /* 0 0x8 */
};
void (*sk_data_ready)(struct sock *); /* 0x108 0x8 */
long sk_rcvtimeo; /* 0x110 0x8 */
int sk_rcvlowat; /* 0x118 0x4 */
__u8 __cacheline_group_end__sock_read_rx[0]; /* 0x11c 0 */
__u8 __cacheline_group_begin__sock_read_rxtx[0]; /* 0x11c 0 */
int sk_err; /* 0x11c 0x4 */
struct socket * sk_socket; /* 0x120 0x8 */
struct mem_cgroup * sk_memcg; /* 0x128 0x8 */
rcu * sk_policy[2]; /* 0x130 0x10 */
/* --- cacheline 5 boundary (320 bytes) --- */
__u8 __cacheline_group_end__sock_read_rxtx[0]; /* 0x140 0 */
__u8 __cacheline_group_begin__sock_write_rxtx[0]; /* 0x140 0 */
socket_lock_t sk_lock; /* 0x140 0x20 */
u32 sk_reserved_mem; /* 0x160 0x4 */
int sk_forward_alloc; /* 0x164 0x4 */
u32 sk_tsflags; /* 0x168 0x4 */
__u8 __cacheline_group_end__sock_write_rxtx[0]; /* 0x16c 0 */
__u8 __cacheline_group_begin__sock_write_tx[0]; /* 0x16c 0 */
int sk_write_pending; /* 0x16c 0x4 */
atomic_t sk_omem_alloc; /* 0x170 0x4 */
int sk_sndbuf; /* 0x174 0x4 */
int sk_wmem_queued; /* 0x178 0x4 */
refcount_t sk_wmem_alloc; /* 0x17c 0x4 */
/* --- cacheline 6 boundary (384 bytes) --- */
unsigned long sk_tsq_flags; /* 0x180 0x8 */
union {
struct sk_buff * sk_send_head; /* 0x188 0x8 */
struct rb_root tcp_rtx_queue; /* 0x188 0x8 */
}; /* 0x188 0x8 */
union {
struct sk_buff * sk_send_head; /* 0 0x8 */
struct rb_root tcp_rtx_queue; /* 0 0x8 */
};
struct sk_buff_head sk_write_queue; /* 0x190 0x18 */
u32 sk_dst_pending_confirm; /* 0x1a8 0x4 */
u32 sk_pacing_status; /* 0x1ac 0x4 */
struct page_frag sk_frag; /* 0x1b0 0x10 */
/* --- cacheline 7 boundary (448 bytes) --- */
struct timer_list sk_timer; /* 0x1c0 0x28 */
/* XXX last struct has 4 bytes of padding */
unsigned long sk_pacing_rate; /* 0x1e8 0x8 */
atomic_t sk_zckey; /* 0x1f0 0x4 */
atomic_t sk_tskey; /* 0x1f4 0x4 */
__u8 __cacheline_group_end__sock_write_tx[0]; /* 0x1f8 0 */
__u8 __cacheline_group_begin__sock_read_tx[0]; /* 0x1f8 0 */
unsigned long sk_max_pacing_rate; /* 0x1f8 0x8 */
/* --- cacheline 8 boundary (512 bytes) --- */
long sk_sndtimeo; /* 0x200 0x8 */
u32 sk_priority; /* 0x208 0x4 */
u32 sk_mark; /* 0x20c 0x4 */
rcu * sk_dst_cache; /* 0x210 0x8 */
netdev_features_t sk_route_caps; /* 0x218 0x8 */
u16 sk_gso_type; /* 0x220 0x2 */
u16 sk_gso_max_segs; /* 0x222 0x2 */
unsigned int sk_gso_max_size; /* 0x224 0x4 */
gfp_t sk_allocation; /* 0x228 0x4 */
u32 sk_txhash; /* 0x22c 0x4 */
u8 sk_pacing_shift; /* 0x230 0x1 */
bool sk_use_task_frag; /* 0x231 0x1 */
__u8 __cacheline_group_end__sock_read_tx[0]; /* 0x232 0 */
u8 sk_gso_disabled:1; /* 0x232: 0 0x1 */
u8 sk_kern_sock:1; /* 0x232:0x1 0x1 */
u8 sk_no_check_tx:1; /* 0x232:0x2 0x1 */
u8 sk_no_check_rx:1; /* 0x232:0x3 0x1 */
/* XXX 4 bits hole, try to pack */
u8 sk_shutdown; /* 0x233 0x1 */
u16 sk_type; /* 0x234 0x2 */
u16 sk_protocol; /* 0x236 0x2 */
unsigned long sk_lingertime; /* 0x238 0x8 */
/* --- cacheline 9 boundary (576 bytes) --- */
struct proto * sk_prot_creator; /* 0x240 0x8 */
rwlock_t sk_callback_lock; /* 0x248 0x8 */
int sk_err_soft; /* 0x250 0x4 */
u32 sk_ack_backlog; /* 0x254 0x4 */
u32 sk_max_ack_backlog; /* 0x258 0x4 */
kuid_t sk_uid; /* 0x25c 0x4 */
spinlock_t sk_peer_lock; /* 0x260 0x4 */
int sk_bind_phc; /* 0x264 0x4 */
struct pid * sk_peer_pid; /* 0x268 0x8 */
const struct cred * sk_peer_cred; /* 0x270 0x8 */
ktime_t sk_stamp; /* 0x278 0x8 */
/* --- cacheline 10 boundary (640 bytes) --- */
int sk_disconnects; /* 0x280 0x4 */
u8 sk_txrehash; /* 0x284 0x1 */
u8 sk_clockid; /* 0x285 0x1 */
u8 sk_txtime_deadline_mode:1; /* 0x286: 0 0x1 */
u8 sk_txtime_report_errors:1; /* 0x286:0x1 0x1 */
u8 sk_txtime_unused:6; /* 0x286:0x2 0x1 */
/* XXX 1 byte hole, try to pack */
void * sk_user_data; /* 0x288 0x8 */
void * sk_security; /* 0x290 0x8 */
struct sock_cgroup_data sk_cgrp_data; /* 0x298 0x8 */
void (*sk_state_change)(struct sock *); /* 0x2a0 0x8 */
void (*sk_write_space)(struct sock *); /* 0x2a8 0x8 */
void (*sk_error_report)(struct sock *); /* 0x2b0 0x8 */
int (*sk_backlog_rcv)(struct sock *, struct sk_buff *); /* 0x2b8 0x8 */
/* --- cacheline 11 boundary (704 bytes) --- */
void (*sk_destruct)(struct sock *); /* 0x2c0 0x8 */
rcu * sk_reuseport_cb; /* 0x2c8 0x8 */
rcu * sk_bpf_storage; /* 0x2d0 0x8 */
struct callback_head sk_rcu __attribute__((__aligned__(8))); /* 0x2d8 0x10 */
netns_tracker ns_tracker; /* 0x2e8 0x8 */
/* size: 752, cachelines: 12, members: 105 */
/* sum members: 749, holes: 1, sum holes: 1 */
/* sum bitfield members: 12 bits, bit holes: 1, sum bit holes: 4 bits */
/* paddings: 1, sum paddings: 4 */
/* forced alignments: 1 */
/* last cacheline: 48 bytes */
};
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20240216162006.2342759-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
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Add the netmem_ref type, an abstraction for network memory.
To add support for new memory types to the net stack, we must first
abstract the current memory type. Currently parts of the net stack
use struct page directly:
- page_pool
- drivers
- skb_frag_t
Originally the plan was to reuse struct page* for the new memory types,
and to set the LSB on the page* to indicate it's not really a page.
However, for compiler type checking we need to introduce a new type.
netmem_ref is introduced to abstract the underlying memory type.
Currently it's a no-op abstraction that is always a struct page
underneath. In parallel there is an undergoing effort to add support
for devmem to the net stack:
https://lore.kernel.org/netdev/20231208005250.2910004-1-almasrymina@google.com/
netmem_ref can be pointers to different underlying memory types, and the
low bits are set to indicate the memory type. Helpers are provided
to convert netmem pointers to the underlying memory type (currently only
struct page). In the devmem series helpers are provided so that calling
code can use netmem without worrying about the underlying memory type
unless absolutely necessary.
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
Use global percpu page_pool_recycle_stats counter for system page_pool
allocator instead of allocating a separate percpu variable for each
(also percpu) page pool instance.
Reviewed-by: Toke Hoiland-Jorgensen <toke@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Link: https://lore.kernel.org/r/87f572425e98faea3da45f76c3c68815c01a20ee.1708075412.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Now that direct recycling is performed basing on pool->cpuid when set,
memory leaks are possible:
1. A pool is destroyed.
2. Alloc cache is emptied (it's done only once).
3. pool->cpuid is still set.
4. napi_pp_put_page() does direct recycling basing on pool->cpuid.
5. Now alloc cache is not empty, but it won't ever be freed.
In order to avoid that, rewrite pool->cpuid to -1 when unlinking NAPI to
make sure no direct recycling will be possible after emptying the cache.
This involves a bit of overhead as pool->cpuid now must be accessed
via READ_ONCE() to avoid partial reads.
Rename page_pool_unlink_napi() -> page_pool_disable_direct_recycling()
to reflect what it actually does and unexport it.
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/r/20240215113905.96817-1-aleksander.lobakin@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Since the introduction of the subflow ULP diag interface, the
dump callback accessed all the subflow data with lockless.
We need either to annotate all the read and write operation accordingly,
or acquire the subflow socket lock. Let's do latter, even if slower, to
avoid a diffstat havoc.
Fixes: 5147dfb50832 ("mptcp: allow dumping subflow context to userspace")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Before this change, generation of the list of MDB events to replay
would race against the creation of new group memberships, either from
the IGMP/MLD snooping logic or from user configuration.
While new memberships are immediately visible to walkers of
br->mdb_list, the notification of their existence to switchdev event
subscribers is deferred until a later point in time. So if a replay
list was generated during a time that overlapped with such a window,
it would also contain a replay of the not-yet-delivered event.
The driver would thus receive two copies of what the bridge internally
considered to be one single event. On destruction of the bridge, only
a single membership deletion event was therefore sent. As a
consequence of this, drivers which reference count memberships (at
least DSA), would be left with orphan groups in their hardware
database when the bridge was destroyed.
This is only an issue when replaying additions. While deletion events
may still be pending on the deferred queue, they will already have
been removed from br->mdb_list, so no duplicates can be generated in
that scenario.
To a user this meant that old group memberships, from a bridge in
which a port was previously attached, could be reanimated (in
hardware) when the port joined a new bridge, without the new bridge's
knowledge.
For example, on an mv88e6xxx system, create a snooping bridge and
immediately add a port to it:
root@infix-06-0b-00:~$ ip link add dev br0 up type bridge mcast_snooping 1 && \
> ip link set dev x3 up master br0
And then destroy the bridge:
root@infix-06-0b-00:~$ ip link del dev br0
root@infix-06-0b-00:~$ mvls atu
ADDRESS FID STATE Q F 0 1 2 3 4 5 6 7 8 9 a
DEV:0 Marvell 88E6393X
33:33:00:00:00:6a 1 static - - 0 . . . . . . . . . .
33:33:ff:87:e4:3f 1 static - - 0 . . . . . . . . . .
ff:ff:ff:ff:ff:ff 1 static - - 0 1 2 3 4 5 6 7 8 9 a
root@infix-06-0b-00:~$
The two IPv6 groups remain in the hardware database because the
port (x3) is notified of the host's membership twice: once via the
original event and once via a replay. Since only a single delete
notification is sent, the count remains at 1 when the bridge is
destroyed.
Then add the same port (or another port belonging to the same hardware
domain) to a new bridge, this time with snooping disabled:
root@infix-06-0b-00:~$ ip link add dev br1 up type bridge mcast_snooping 0 && \
> ip link set dev x3 up master br1
All multicast, including the two IPv6 groups from br0, should now be
flooded, according to the policy of br1. But instead the old
memberships are still active in the hardware database, causing the
switch to only forward traffic to those groups towards the CPU (port
0).
Eliminate the race in two steps:
1. Grab the write-side lock of the MDB while generating the replay
list.
This prevents new memberships from showing up while we are generating
the replay list. But it leaves the scenario in which a deferred event
was already generated, but not delivered, before we grabbed the
lock. Therefore:
2. Make sure that no deferred version of a replay event is already
enqueued to the switchdev deferred queue, before adding it to the
replay list, when replaying additions.
Fixes: 4f2673b3a2b6 ("net: bridge: add helper to replay port and host-joined mdb entries")
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Stanislaw Gruszka says:
====================
thermal/netlink/intel_hfi: Enable HFI feature only when required
The patchset introduces a new genetlink family bind/unbind callbacks
and thermal/netlink notifications, which allow drivers to send netlink
multicast events based on the presence of actual user-space consumers.
This functionality optimizes resource usage by allowing disabling
of features when not needed.
v1: https://lore.kernel.org/linux-pm/20240131120535.933424-1-stanislaw.gruszka@linux.intel.com//
v2: https://lore.kernel.org/linux-pm/20240206133605.1518373-1-stanislaw.gruszka@linux.intel.com/
v3: https://lore.kernel.org/linux-pm/20240209120625.1775017-1-stanislaw.gruszka@linux.intel.com/
====================
Link: https://lore.kernel.org/r/20240212161615.161935-1-stanislaw.gruszka@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Add genetlink family bind()/unbind() callbacks when adding/removing
multicast group to/from netlink client socket via setsockopt() or
bind() syscall.
They can be used to track if consumers of netlink multicast messages
emerge or disappear. Thus, a client implementing callbacks, can now
send events only when there are active consumers, preventing unnecessary
work when none exist.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240212161615.161935-2-stanislaw.gruszka@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
net/core/dev.c
9f30831390ed ("net: add rcu safety to rtnl_prop_list_size()")
723de3ebef03 ("net: free altname using an RCU callback")
net/unix/garbage.c
11498715f266 ("af_unix: Remove io_uring code for GC.")
25236c91b5ab ("af_unix: Fix task hung while purging oob_skb in GC.")
drivers/net/ethernet/renesas/ravb_main.c
ed4adc07207d ("net: ravb: Count packets instead of descriptors in GbEth RX path"
)
c2da9408579d ("ravb: Add Rx checksum offload support for GbEth")
net/mptcp/protocol.c
bdd70eb68913 ("mptcp: drop the push_pending field")
28e5c1380506 ("mptcp: annotate lockless accesses around read-mostly fields")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
In RFC 8981, REGEN_ADVANCE cannot be less than 2 seconds, and the RFC
does not permit the creation of temporary addresses with lifetimes
shorter than that:
> When processing a Router Advertisement with a
> Prefix Information option carrying a prefix for the purposes of
> address autoconfiguration (i.e., the A bit is set), the host MUST
> perform the following steps:
> 5. A temporary address is created only if this calculated preferred
> lifetime is greater than REGEN_ADVANCE time units.
However, some users want to change their IPv6 address as frequently as
possible regardless of the RFC's arbitrary minimum lifetime. For the
benefit of those users, add a regen_min_advance sysctl parameter that
can be set to below or above 2 seconds.
Link: https://datatracker.ietf.org/doc/html/rfc8981
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
Even if that's the same as IEEE80211_MAX_SSID_LEN, we really
should just use IEEE80211_MAX_MESH_ID_LEN for mesh, rather
than having the BUILD_BUG_ON()s.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
Introduce generic percpu page_pools allocator.
Moreover add page_pool_create_percpu() and cpuid filed in page_pool struct
in order to recycle the page in the page_pool "hot" cache if
napi_pp_put_page() is running on the same cpu.
This is a preliminary patch to add xdp multi-buff support for xdp running
in generic mode.
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Reviewed-by: Toke Hoiland-Jorgensen <toke@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/80bc4285228b6f4220cd03de1999d86e46e3fcbd.1707729884.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Set scope automatically in ip_route_output_ports() (using the socket
SOCK_LOCALROUTE flag). This way, callers don't have to overload the
tos with the RTO_ONLINK flag, like RT_CONN_FLAGS() does.
For callers that don't pass a struct sock, this doesn't change anything
as the scope is still set to RT_SCOPE_UNIVERSE when sk is NULL.
Callers that passed a struct sock and used RT_CONN_FLAGS(sk) or
RT_CONN_FLAGS_TOS(sk, tos) for the tos are modified to use
ip_sock_tos(sk) and RT_TOS(tos) respectively, as overloading tos with
the RTO_ONLINK flag now becomes unnecessary.
In drivers/net/amt.c, all ip_route_output_ports() calls use a 0 tos
parameter, ignoring the SOCK_LOCALROUTE flag of the socket. But the sk
parameter is a kernel socket, which doesn't have any configuration path
for setting SOCK_LOCALROUTE anyway. Therefore, ip_route_output_ports()
will continue to initialise scope with RT_SCOPE_UNIVERSE and amt.c
doesn't need to be modified.
Also, remove RT_CONN_FLAGS() and RT_CONN_FLAGS_TOS() from route.h as
these macros are now unused.
The objective is to eventually remove RTO_ONLINK entirely to allow
converting ->flowi4_tos to dscp_t. This will ensure proper isolation
between the DSCP and ECN bits, thus minimising the risk of introducing
bugs where TOS values interfere with ECN.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/dacfd2ab40685e20959ab7b53c427595ba229e7d.1707496938.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Add to cfg80211_wowlan_wakeup another wakeup reason -
unprot_deauth_disassoc.
To be set to true if the woke up was due to an
unprotected deauth or disassoc frame in MFP.
In that case report WOWLAN_TRIG_UNPROTECTED_DEAUTH_DISASSOC.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206164849.a3d739850d03.I8f52a21c4f36d1af1f8068bed79e2f9cbf8289ef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
If the hardware supports a disabled channel, it may in
some cases be possible to use monitor mode (without any
transmit) on it when it's otherwise disabled. Add a new
channel flag IEEE80211_CHAN_CAN_MONITOR that makes it
possible for a driver to indicate such a thing.
Make it per channel so drivers could have a choice with
it, perhaps it's only possible on some channels, perhaps
some channels are not supported at all, but still there
and marked disabled.
In _nl80211_parse_chandef() simplify the code and check
only for an unknown channel, _cfg80211_chandef_usable()
will later check for IEEE80211_CHAN_DISABLED anyway.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206164849.87fad3a21a09.I9116b2fdc2e2c9fd59a9273a64db7fcb41fc0328@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
UHB stands for "Ultra High Band", but this term doesn't really
exist in the spec. Rename all occurrences to "6 GHz", but keep
a few defines for userspace API compatibility.
Link: https://msgid.link/20240206164849.c9cfb9400839.I153db3b951934a1d84409c17fbe1f1d1782543fa@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
Currently whenever NL80211_CMD_DEL_STATION command is called without any
MAC address, all stations present on that interface are flushed.
However with MLO there is a need to flush such stations only which are
using at least a particular link from the AP MLD interface.
For example - 2 GHz and 5 GHz are part of an AP MLD.
To this interface, following stations are connected -
1. One non-EHT STA on 2 GHz link.
2. One non-EHT STA on 5 GHz link.
3. One Multi-Link STA having 2 GHz and 5 GHz as active links.
Now if currently, NL80211_CMD_DEL_STATION is issued by the 2 GHz link
without any MAC address, it would flush all station entries. However,
flushing of station entry #2 at least is not desireable since it
is connected to 5 GHz link alone.
Hence, add an option to pass link ID as well in the command so that if link
ID is passed, stations using that passed link ID alone would be flushed
and others will not.
So after this, station entries #1 and #3 alone would be flushed and #2 will
remain as it is.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240205162952.1697646-2-quic_adisi@quicinc.com
[clarify documentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
Get rid of gfp parameter from ieee80211_obss_color_collision_notify
since it is no longer used.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://msgid.link/f91e1c78896408ac556586ba8c99e4e389aeba02.1707389901.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
FIB6 GC walks trees of fib6_tables to remove expired routes. Walking a tree
can be expensive if the number of routes in a table is big, even if most of
them are permanent. Checking routes in a separated list of routes having
expiration will avoid this potential issue.
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Pass the duration of a lifetime (in seconds) to the function
rt6_add_dflt_router() so that it can properly set the expiration time.
The function ndisc_router_discovery() is the only one that calls
rt6_add_dflt_router(), and it will later set the expiration time for the
route created by rt6_add_dflt_router(). However, there is a gap of time
between calling rt6_add_dflt_router() and setting the expiration time in
ndisc_router_discovery(). During this period, there is a possibility that a
new route may be removed from the routing table. By setting the correct
expiration time in rt6_add_dflt_router(), we can prevent this from
happening. The reason for setting RTF_EXPIRES in rt6_add_dflt_router() is
to start the Garbage Collection (GC) timer, as it only activates when a
route with RTF_EXPIRES is added to a table.
Suggested-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The submitting thread (one which called recvmsg/sendmsg)
may exit as soon as the async crypto handler calls complete()
so any code past that point risks touching already freed data.
Try to avoid the locking and extra flags altogether.
Have the main thread hold an extra reference, this way
we can depend solely on the atomic ref counter for
synchronization.
Don't futz with reiniting the completion, either, we are now
tightly controlling when completion fires.
Reported-by: valis <sec@valis.email>
Fixes: 0cada33241d9 ("net/tls: fix race condition causing kernel panic")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Merge netdev bits of io_uring busy polling support.
Jens Axboe says:
====================
io_uring: add napi busy polling support
I finally got around to testing this patchset in its current form, and
results look fine to me. It Works. Using the basic ping/pong test that's
part of the liburing addition, without enabling NAPI I get:
Stock settings, no NAPI, 100k packets:
rtt(us) min/avg/max/mdev = 31.730/37.006/87.960/0.497
and with -t10 -b enabled:
rtt(us) min/avg/max/mdev = 23.250/29.795/63.511/1.203
In short, this patchset enables per io_uring NAPI enablement, rather
than need to enable that globally. This allows targeted NAPI usage with
io_uring.
Here's Stefan's v15 posting, which predates this one:
https://lore.kernel.org/io-uring/20230608163839.2891748-1-shr@devkernel.io/
====================
Link: https://lore.kernel.org/r/20240206163422.646218-1-axboe@kernel.dk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
This adds the napi_busy_loop_rcu() function. This function assumes that
the calling function is already holding the rcu read lock and
napi_busy_loop() does not need to take the rcu read lock. Add a
NAPI_F_NO_SCHED flag, which tells __napi_busy_loop() to abort if we
need to reschedule rather than drop the RCU read lock and reschedule.
Signed-off-by: Stefan Roesch <shr@devkernel.io>
Link: https://lore.kernel.org/r/20230608163839.2891748-3-shr@devkernel.io
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
Eric Dumazet
Jakub Kicinski
Justin Iurman
Jason Xing
Adam Li
Jeremy Kerr
Pablo Neira Ayuso
Johannes Berg
Miri Korenblit
Aditya Kumar Singh
David S. Miller
Florian Westphal
Mina Almasry
Lorenzo Bianconi
Alexander Lobakin
Paolo Abeni
Tobias Waldekranz
Stanislaw Gruszka
Alex Henrie
Guillaume Nault
Shaul Triebitz
Kui-Feng Lee
Stefan Roesch
