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Remove restriction blocking configuration of CQE compression when PTP rx
filter is set. Instead turn on indication for RX PTP, and try to reopen
the channels.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Update setting HW time-stamp to allow coexistence with CQE compression.
Turn on RX PTP indication and try to reopen the channels. On success,
coexistence with CQE compression is enabled. Otherwise, fall-back to
turning off CQE compression.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When opening PTP channel with MLX5E_PTP_STATE_RX set, add the
corresponding flow steering rules. Capture UDP packets with destination
port 319 and L2 packets with ethertype 0x88F7 and steer them into the RQ
of the PTP channel.
Add API that manages the flow steering rules to be used in the following
patches via safe_reopen_channels mechanism.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Add a new FS API which captures the ANY traffic from the traffic
classifier into a dedicated FS table. The table consists of a group
matching the ethertype and a must-be-last group which contains a default
rule redirecting the unmatched packets back to the RSS logic.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Add a new FS API which captures the UDP traffic from the traffic
classifier into a dedicated FS table. This API handles both UDP over
IPv4 and IPv6 in the same manner. The tables (one for UDPv4 and another
for UDPv6) consist of a group matching the UDP destination port and a
must-be-last group which contains a default rule redirecting the
unmatched packets back to the RSS logic.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Flow Steering levels are used to determine the order between the tables.
As of today, each one of these tables follows the TTC table, and hijacks
its traffic, and cannot be combined together for now. Putting them in
the same layer better reflects the situation.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When present, add the PTP RQ to the RX reporter.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Break RX diagnostics function into smaller helpers. This enables easier
enhancement in the next patch in the set.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Add PTP-TIR and initiate its RQT to allow PTP-RQ to integrate into the
safe-reopen flow on configuration change. Add rx_ptp_support flag on a
profile and turn it on for ETH driver. With this flag set, create a
redirect-RQT for PTP-RQ.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Like PTP-TX, once the PTP-RX is opened, corresponding statistics appear.
Add indication that PTP-RX was ever opened: rx_ptp_opened. If any of the
PTP RX or TX were opened, display the PTP channel's statistics.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Enhance PTP channel to allow PTP without disabling CQE compression. Add
RQ, TIR and PTP_RX_STATE to PTP channel. When this bit is set, PTP
channel manages its RQ, and PTP traffic is directed to the PTP-RQ which
is not affected by compression.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Add PTP TX state to PTP channel, which indicates the corresponding SQ is
available. Further patches in the set extend PTP channel to include RQ.
The PTP channel state will be used for separation and coexistence of RX
and TX PTP. Enhance conditions to verify the TX PTP state is set.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Add error handling in case of failure to send switching data path message
to the host.
Reported-by: Shachar Raindel <shacharr@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.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-queue
Tony Nguyen says:
====================
1GbE Intel Wired LAN Driver Updates 2021-03-29
This series contains updates to igc driver only.
Andre Guedes says:
Add XDP support for the igc driver. The approach implemented by this
series follows the same approach implemented in other Intel drivers as
much as possible for the sake of consistency.
The series is organized in two parts. In the first part, i.e. patches
from 1 to 4, igc_main.c and igc_ptp.c code is refactored in preparation
for landing the XDP support, which is introduced in the second part
(patches from 5 to 8).
As far as code organization is concerned, XDP-related helpers are
defined in a new file, igc_xdp.c, and are called by igc_main.c.
The features added by this series have been tested with the samples
provided in samples/bpf/: xdp1, xdp2, xdp_redirect_cpu, and
xdp_redirect_map.
Upcoming series will add support of UMEM and zero-copy features from
AF_XDP.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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MBIM protocol makes the mhi network interface asymmetric, ingress data
received from MHI is MBIM protocol, possibly containing multiple
aggregated IP packets, while egress data received from network stack is
IP protocol.
This changes allows a 'protocol' to specify its own MRU, that when
specified is used to allocate MHI RX buffers (skb).
For MBIM, Set the default MTU to 1500, which is the usual network MTU
for WWAN IP packets, and MRU to 3.5K (for allocation efficiency),
allowing skb to fit in an usual 4K page (including padding,
skb_shared_info, ...).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, if skb is non-linear, due to MHI skb chaining, it is
linearized in MBIM RX handler prior MBIM decoding, causing extra
allocation and copy that can be as large as the maximum MBIM frame
size (32K).
This change introduces MBIM decoding for non-linear skb, allowing to
process 'large' non-linear MBIM packets without skb linearization.
The IP packets are simply extracted from the MBIM frame using the
skb_copy_bits helper.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable res is being initialized with a value that is
never read and it is being updated later with a new value.
The initialization is redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the following make W=1 kernel build warning:
drivers/net/mdio.c:95: warning: expecting prototype for mdio_link_ok(). Prototype was for mdio45_links_ok() instead
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the following make W=1 kernel build warning:
drivers/net/bonding/bond_main.c:982: warning: expecting prototype for change_active_interface(). Prototype was for bond_change_active_slave() instead
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the following make W=1 kernel build warning:
drivers/net/phy/mdio-boardinfo.c:63: warning: expecting prototype for mdio_register_board_info(). Prototype was for mdiobus_register_board_info() instead
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The per-port sampling triggers (i.e., ingress / egress) cannot be
enabled twice. Meaning, the below configuration will not result in
packets being sampled twice:
# tc filter add dev swp1 ingress matchall skip_sw action sample rate 100 group 1
# tc filter add dev swp1 ingress matchall skip_sw action sample rate 100 group 1
Therefore, reject such configurations.
Fixes: 90f53c53ec4a ("mlxsw: spectrum: Start using sampling triggers hash table")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Perform the priority check earlier in the function instead of repeating
it for every action. This fixes a bug that allowed matchall rules with
sample action to be added in front of flower rules on egress.
Fixes: 54d0e963f683 ("mlxsw: spectrum_matchall: Add support for egress sampling")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previous patch moved the protocol check out of the action check, so
these if statements can now be converted to a switch statement. Perform
the conversion.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Perform the protocol check earlier in the function instead of repeating
it for every action. Example:
# tc filter add dev swp1 ingress proto ip matchall skip_sw action sample group 1 rate 100
Error: matchall rules only supported with 'all' protocol.
We have an error talking to the kernel
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use tab instead of space to align the code.
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just delete three extra spaces.
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use a trailing */ on a separate line for block comments.
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Delete duplicate word in two comments.
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb_put_padto() may fails because of memory failure, sw_err_cnt
is already used to log memory failure in hns3_skb_linearize(),
so use it to log the memory failure for skb_put_padto() too.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device HNAE3_DEVICE_VERSION_V3 supports up to 1280 queues
and qsets for one function, so the bitwidth of tc_offset, meaning
the tqps index, needs to expand from 10 bits to 11 bits.
The device HNAE3_DEVICE_VERSION_V3 supports up to 512 queues on
one TC. The tc_size, meaning the exponent with base 2 of queues
supported on TC, which needs to expand from 3 bits to 4 bits.
Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The actual size on wire for tso skb should be (gso_segs - 1) *
hdr + skb->len instead of skb->len, which can be seen by user using
'ethtool -S ethX' cmd, and 'Byte Queue Limit' also use the send size
stat to do the queue limiting, so add send_bytes in the desc_cb to
record the actual send size for a skb. And send_bytes is only for tx
desc_cb and page_offset is only for rx desc, so reuse the same space
for both of them.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently hns3 driver only handle the xmit skb with one level of
fraglist skb, add handling for multi level by calling hns3_tx_bd_num()
recursively when calculating bd num and calling hns3_fill_skb_to_desc()
recursively when filling tx desc.
When the skb has a fraglist level of 24, the skb is simply dropped and
stats.max_recursion_level is added to record the error. Move the stat
handling from hns3_nic_net_xmit() to hns3_nic_maybe_stop_tx() in order
to handle different error stat and add the 'max_recursion_level' and
'hw_limitation' stat.
Note that the max recursive level as 24 is chose according to below:
commit 48a1df65334b ("skbuff: return -EMSGSIZE in skb_to_sgvec to
prevent overflow").
And that we are not able to find a testcase to verify the recursive
fraglist case, so Fixes tag is not provided.
Reported-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the queue reset process needs to be performed one by
one, which is inefficient. However, the queue reset of the same
function is always performed at the same time. Therefore, according
to the UM, command HCLGE_OPC_CFG_RST_TRIGGER can be used to reset
all queues of the same function at a time, in order to optimize
the queue reset process.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, if user hasn't change channel number, the rss_size
is limited to be no more than the vector number, in order to
keep one vector only being mapped to one queue. But the queue
number of each tc can be different, and one vector also can
be mapped by multiple queues. So remove this limitation.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The array size of bd_num_list is a fixed value, it may have potential
overflow risk when array size of hclge_dfx_bd_offset_list is greater
than that fixed value. So modify bd_num_list as a pointer and allocate
memory for it according to array size of hclge_dfx_bd_offset_list.
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When new rule state is TO_ADD or ACTIVE, and there is already a
rule with same location in the fd_rule_list, the new rule will
be freed after modifying the old rule. It may cause user-after-free
issue when access rule again in hclge_add_fd_entry_common().
Fixes: fc4243b8de8b ("net: hns3: refactor flow director configuration")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, when adding flow director rule, it missed to set
rule state. Which may cause the rule state in software is
unconsistent with hardware.
Fixes: fc4243b8de8b ("net: hns3: refactor flow director configuration")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Guobin Huang <huangguobin4@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Guobin Huang <huangguobin4@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Guobin Huang <huangguobin4@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Guobin Huang <huangguobin4@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The pointers adapter and phydev are being initialized with values that
are never read and are being updated later with a new value. The
initialization is redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the XDP_REDIRECT action which enables XDP programs to
redirect packets arriving at I225 NIC. It also implements the
ndo_xdp_xmit ops, enabling the igc driver to transmit packets forwarded
to it by xdp programs running on other interfaces.
The patch tweaks the driver's page counting and recycling scheme as
described in the following two commits and implemented by other Intel
drivers in order to properly support XDP_REDIRECT action:
commit 8ce29c679a6e ("i40e: tweak page counting for XDP_REDIRECT")
commit 75aab4e10ae6 ("i40e: avoid premature Rx buffer reuse")
This patch has been tested with the sample apps "xdp_redirect_cpu" and
"xdp_redirect_map" located in samples/bpf/.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add support for XDP_TX action which enables XDP programs to transmit
back receiving frames.
I225 controller has only 4 Tx hardware queues. Since XDP programs may
not even issue an XDP_TX action, this patch doesn't reserve dedicated
queues just for XDP like other Intel drivers do. Instead, the queues
are shared between the network stack and XDP. The netdev queue lock is
used to ensure mutual exclusion.
Since frames can now be transmitted via XDP_TX, the igc_tx_buffer
structure is modified so we are able to save a reference to the xdp
frame for later clean up once the packet is transmitted. The tx_buffer
is mapped to either a skb or a xdpf so we use a union to save the skb
or xdpf pointer and have a bit in tx_flags to indicate which field to
use.
This patch has been tested with the sample app "xdp2" located in
samples/bpf/ dir.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add the initial XDP support to the igc driver. For now, only XDP_PASS,
XDP_DROP, XDP_ABORTED actions are supported. Upcoming patches will add
support for the remaining XDP actions.
XDP configuration helpers are defined in a new file, igc_xdp.c. These
helpers are utilized in igc_main.c to implement the ndo_bpf callback.
XDP-related code that belongs to the driver's hot path is landed in
igc_main.c.
By default, the driver uses Rx buffers with 2 KB size. When XDP is
enabled, it uses larger buffers so we have enough space to accommodate
the headroom and tailroom required by XDP infrastructure. Also, the
driver doesn't support XDP functionality with frames that span over
multiple buffers so jumbo frames are not allowed for now.
The approach implemented follows the approach implemented in other Intel
drivers as much as possible for the sake of consistency across the
drivers.
Quick comment regarding igc_build_skb(): this patch doesn't touch it
because the function is never called. It seems its support is
incomplete/in progress. The function was added by commit 0507ef8a0372b
("igc: Add transmit and receive fastpath and interrupt handlers") but
ring_uses_build_skb() always return False since the IGC_RING_FLAG_RX_
BUILD_SKB_ENABLED isn't set anywhere in the driver code.
This patch has been tested with the sample app "xdp1" located in
samples/bpf/ dir.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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While commit 13b5b7fd6a4a ("igc: Add support for Tx/Rx rings")
introduced code to handle larger packet buffers, it missed the
set/clear helpers which enable/disable that feature. Introduce
the missing helpers which will be use in the next patch.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Refactor the Rx timestamp handling in preparation to land
XDP support.
Rx timestamps are put in the Rx buffer by hardware, before the packet
data. When creating the xdp buffer, we will need to check the Rx
descriptor to determine if the buffer contains timestamp information
and consider the offset when setting xdp.data.
The Rx descriptor check is already done in igc_construct_skb(). To
avoid code duplication, this patch moves the timestamp handling to
igc_clean_rx_irq() so both skb and xdp paths can reuse it.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The RX frame truesize calculation is scattered throughout the RX code.
This patch creates the helper function igc_get_rx_frame_truesize() and
uses it where applicable.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The igc driver implements the same page recycling scheme from other
Intel drivers which reuses the page by flipping the buffer. The code
to handle buffer flips is duplicated in many locations so introduce
the igc_rx_buffer_flip() helper and use it where applicable.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The 'skb' argument from igc_tx_cmd_type() is not used so remove it.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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