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Make RTM_GETNSID's doit handler use strict checks when
NETLINK_F_STRICT_CHK is set.
v2: - don't check size >= sizeof(struct rtgenmsg) (Nicolas).
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make RTM_GETLINK's doit handler use strict checks when
NETLINK_F_STRICT_CHK is set.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the spirit of strict checks reject requests of stats the kernel
does not support when NETLINK_F_STRICT_CHK is set.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure NETLINK_GET_STRICT_CHK influences both GETSTATS doit
as well as the dump.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dumps can read state of the NETLINK_F_STRICT_CHK flag from
a field in the callback structure. For non-dump GET requests
we need a way to access the state of that flag from a socket.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On multiqueue network devices, RPS maps are configured independently
for each receive queue through /sys/class/net/$DEV/queues/rx-*.
On virtio-net currently all packets use the map from rx-0, because the
real rx queue is not known at time of map lookup by get_rps_cpu.
Call skb_record_rx_queue in the driver rx path to make lookup work.
Recording the receive queue has ramifications beyond RPS, such as in
sticky load balancing decisions for sockets (skb_tx_hash) and XPS.
Reported-by: Mark Hlady <mhlady@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are now several places where qdisc_tree_reduce_backlog() is called
with a negative number of packets (to signal an increase in number of
packets in the queue). Rather than rely on overflow behaviour, change the
function signature to use signed integers to communicate this usage to
people reading the code.
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The HNAE3_INIT_CLIENT interface is also used when changing tc
configuration, vlan/mac hardware table does not need to be restored
when tc configuration changes.
This patch adds a HNAE3_RESTORE_CLIENT interface to restore the
vlan/mac hardware table when resetting.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the ETS information is changed, the network device needs to be
re-initialized, otherwise the information such as the receiving queue
will be incorrect.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code returns the number of all queues that can be used and
the number of queues that have been allocated, which is incorrect.
What should be returned is the number of queues allocated for each enabled
TC and the number of queues that can be allocated.
This patch fixes it.
Fixes: 482d2e9c1cc7 ("net: hns3: add support to query tqps number")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The alloc_tqps field of struct hclge_vport represents the total number
of tqps allocated to the vport. The num_tqps of struct
hnae3_knic_private_info indicates the total number of all enabled tqps,
which needs to be distinguished during use.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ethtool -L option with the combined parameter is for changing the number of
multi-purpose channels of the specified network device. Under the current
scheme, the user configuration information will be lost after the reset or
TC information changed.
This patch fixes this issue. By default, this configuration is set to the
minimum between the number of queues for each enabled TCs and the maximum
number support available in the hardware. When there is a user
configuration, regardless of the reset or TC information change, it should
keep the user's configuration while it is under the hardware limits,
otherwise set to the maximum number support available in the hardware.
Fixes: 09f2af6405b8 ("net: hns3: add support to modify tqps number")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The TC info will be updated in hclge_tm_vport_tc_info_update(),
so hclge_knic_setup() no need to do it again.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The number of queues for each enabled TC should range from 1 to
the maximum available value, and return directly if the value
is same as the current one.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Provide a common interface to complete the back pressure settings
of all enabled TCs. So other functions directly call this interface
to complete the corresponding operation.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is already common interface for network device reinitialization,
so hns3_set_channels() should just call them.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The parameter passed to hns3_set_channels() are already the number of
queues per channel of the enabled TC, so it is not need to divide
the number of enabled TCs.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The irq_init_flag field in struct hns3_enet_ring is unnecessary.
This patch removes it.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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hns3_reset_notify_init_enet and hns3_reset_notify_uninit_enet are the
reinitialization interface that will be called when the device reset,
the number of TC changed, or the queue length changed. So these two
function should call hns3_get_ring_config() and hns3_put_ring_config()
to allocate and free memory for the ring with the correct number.
Also this patch fixes a double free problem when
hns3_reset_notify_uninit_enet calling hns3_nic_dealloc_vector_data
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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