Commit Graph

105821 Commits

Author SHA1 Message Date
Jiapeng Chong 911e3a46fb net: phy: Fix unsigned comparison with less than zero
Fix the following coccicheck warning:

./drivers/net/phy/at803x.c:493:5-10: WARNING: Unsigned expression
compared with zero: value < 0.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Fixes: 7beecaf7d5 ("net: phy: at803x: improve the WOL feature")
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/1635325191-101815-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-27 18:26:14 -07:00
Jakub Kicinski 5a48585d7e net: thunderbolt: use eth_hw_addr_set()
Commit 406f42fa0d ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it go through appropriate helpers.

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20211026175547.3198242-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-27 17:13:36 -07:00
Guenter Roeck 8db3cbc507 net: macb: Fix mdio child node detection
Commit 4d98bb0d7e ("net: macb: Use mdio child node for MDIO bus if it
exists") added code to detect if a 'mdio' child node exists to the macb
driver. Ths added code does, however, not actually check if the child node
exists, but if the parent node exists. This results in errors such as

macb 10090000.ethernet eth0: Could not attach PHY (-19)

if there is no 'mdio' child node. Fix the code to actually check for
the child node.

Fixes: 4d98bb0d7e ("net: macb: Use mdio child node for MDIO bus if it exists")
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Sean Anderson <sean.anderson@seco.com>
Tested-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20211026173950.353636-1-linux@roeck-us.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-27 17:12:18 -07:00
Russell King (Oracle) 099cbfa286 net: mvneta: drop use of phylink_helper_basex_speed()
Now that we have a better method to select SFP interface modes, we
no longer need to use phylink_helper_basex_speed() in a driver's
validation function, and we can also get rid of our hack to indicate
both 1000base-X and 2500base-X if the comphy is present to make that
work. Remove this hack and use of phylink_helper_basex_speed().

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-27 14:50:11 +01:00
Russell King (Oracle) d9ca72807e net: mvneta: remove interface checks in mvneta_validate()
As phylink checks the interface mode against the supported_interfaces
bitmap, we no longer need to validate the interface mode in the
validation function. Remove this to simplify it.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-27 14:50:11 +01:00
Russell King fdedb695e6 net: mvneta: populate supported_interfaces member
Populate the phy_interface_t bitmap for the Marvell mvneta driver with
interfaces modes supported by the MAC.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-27 14:50:11 +01:00
Maor Dickman 8ca9caee85 net/mlx5: Lag, Make mlx5_lag_is_multipath() be static inline
Fix "no previous prototype" W=1 warnings when CONFIG_MLX5_CORE_EN is not set:

  drivers/net/ethernet/mellanox/mlx5/core/lag_mp.h:34:6: error: no previous prototype for ‘mlx5_lag_is_multipath’ [-Werror=missing-prototypes]
     34 | bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev) { return false; }
        |      ^~~~~~~~~~~~~~~~~~~~~

Fixes: 14fe2471c6 ("net/mlx5: Lag, change multipath and bonding to be mutually exclusive")
Signed-off-by: Maor Dickman <maord@nvidia.com>
2021-10-26 19:30:42 -07:00
Khalid Manaa ae3452995b net/mlx5e: Prevent HW-GRO and CQE-COMPRESS features operate together
HW-GRO and CQE-COMPRESS are mutually exclusive, this commit adds this
restriction.

Signed-off-by: Khalid Manaa <khalidm@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:42 -07:00
Khalid Manaa 83439f3c37 net/mlx5e: Add HW-GRO offload
This commit introduces HW-GRO offload by using the SHAMPO feature
- Add set feature handler for HW-GRO.

Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Signed-off-by: Khalid Manaa <khalidm@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:41 -07:00
Khalid Manaa def09e7bbc net/mlx5e: Add HW_GRO statistics
This patch adds HW_GRO counters to RX packets statistics:
 - gro_match_packets: counter of received packets with set match flag.

 - gro_packets: counter of received packets over the HW_GRO feature,
                this counter is increased by one for every received
                HW_GRO cqe.

 - gro_bytes: counter of received bytes over the HW_GRO feature,
              this counter is increased by the received bytes for every
              received HW_GRO cqe.

 - gro_skbs: counter of built HW_GRO skbs,
             increased by one when we flush HW_GRO skb
             (when we call a napi_gro_receive with hw_gro skb).

 - gro_large_hds: counter of received packets with large headers size,
                  in case the packet needs new SKB, the driver will allocate
                  new one and will not use the headers entry to build it.

Signed-off-by: Khalid Manaa <khalidm@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:41 -07:00
Khalid Manaa 92552d3abd net/mlx5e: HW_GRO cqe handler implementation
this patch updates the SHAMPO CQE handler to support HW_GRO,

changes in the SHAMPO CQE handler:
- CQE match and flush fields are used to determine if to build new skb
  using the new received packet,
  or to add the received packet data to the existing RQ.hw_gro_skb,
  also this fields are used to determine when to flush the skb.
- in the end of the function mlx5e_poll_rx_cq the RQ.hw_gro_skb is flushed.

Signed-off-by: Khalid Manaa <khalidm@nvidia.com>
Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:41 -07:00
Ben Ben-Ishay 64509b0525 net/mlx5e: Add data path for SHAMPO feature
The header buffer is used to store the headers of the rx packets.
The header buffer size deduced from WorkQueue size + restriction
of max packets per WorkQueueElement.
This commit adds the functionality for posting/updating memory for
the header buffer during the posting/updating of WQEs.

Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:40 -07:00
Khalid Manaa f97d5c2a45 net/mlx5e: Add handle SHAMPO cqe support
This patch adds the new CQE SHAMPO fields:
- flush: indicates that we must close the current session and pass the SKB
         to the network stack.

- match: indicates that the current packet matches the oppened session,
         the packet will be merge into the current SKB.

- header_size: the size of the packet headers that written into the headers
               buffer.

- header_entry_index: the entry index in the headers buffer.

- data_offset: packets data offset in the WQE.

Also new cqe handler is added to handle SHAMPO packets:
- The new handler uses CQE SHAMPO fields to build the SKB.
  CQE's Flush and match fields are not used in this patch, packets are not
  merged in this patch.

Signed-off-by: Khalid Manaa <khalidm@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:40 -07:00
Ben Ben-Ishay e5ca8fb08a net/mlx5e: Add control path for SHAMPO feature
This commit introduces the control path infrastructure for SHAMPO feature.

SHAMPO feature enables packet stitching by splitting packets to
header and payload, the header is placed on a dedicated buffer
and the payload on the RX ring, this allows stitching the data part
of a flow together continuously in the receive buffer.

SHAMPO feature is implemented as linked list striding RQ feature.
To support packets splitting and payload stitching:
- Enlarge the ICOSQ and the correspond CQ to support the header buffer
  memory regions.
- Add support to create linked list striding RQ with SHAMPO feature set
  in the open_rq function.
- Add deallocation function and corresponded calls for SHAMPO header
  buffer.
- Add mlx5e_create_umr_klm_mkey to support KLM mkey for the header
  buffer.
- Rename mlx5e_create_umr_mkey to mlx5e_create_umr_mtt_mkey.

Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:40 -07:00
Ben Ben-Ishay d7b896acbd net/mlx5e: Add support to klm_umr_wqe
This commit adds the needed definitions for using the klm_umr_wqe.
UMR stands for user-mode memory registration, is a mechanism to alter
address translation properties of MKEY by posting WorkQueueElement
aka WQE on send queue.
MKEY stands for memory key, MKEY are used to describe a region in memory that
can be later used by HW.
KLM stands for {Key, Length, MemVa}, KLM_MKEY is indirect MKEY that enables
to map multiple memory spaces with different sizes in unified MKEY.
klm_umr_wqe is a UMR that use to update a KLM_MKEY.
SHAMPO feature uses KLM_MKEY for memory registration of his header buffer.

Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:39 -07:00
Khalid Manaa eaee12f046 net/mlx5e: Rename TIR lro functions to TIR packet merge functions
This series introduces new packet merge type, therefore rename lro
functions to packet merge to support the new merge type:
- Generalize + rename mlx5e_build_tir_ctx_lro to
  mlx5e_build_tir_ctx_packet_merge.
- Rename mlx5e_modify_tirs_lro to mlx5e_modify_tirs_packet_merge.
- Rename lro bit in mlx5_ifc_modify_tir_bitmask_bits to packet_merge.
- Rename lro_en in mlx5e_params to packet_merge_type type and combine
  packet_merge params into one struct mlx5e_packet_merge_param.

Signed-off-by: Khalid Manaa <khalidm@nvidia.com>
Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:39 -07:00
Ben Ben-Ishay 7025329d20 net/mlx5: Add SHAMPO caps, HW bits and enumerations
This commit adds SHAMPO bit to hca_cap and SHAMPO capabilities structure,
SHAMPO related HW spec hardware fields and enumerations.
SHAMPO stands for: split headers and merge payload offload.
SHAMPO new fields:
WQ:
 - headers_mkey: mkey that represents the headers buffer, where the packets
   headers will be written by the HW.

 - shampo_enable: flag to verify if the WQ supports SHAMPO feature.

 - log_reservation_size: the log of the reservation size where the data of
   the packet will be written by the HW.

 - log_max_num_of_packets_per_reservation: log of the maximum number of
   packets that can be written to the same reservation.

 - log_headers_entry_size: log of the header entry size of the headers buffer.

 - log_headers_buffer_entry_num: log of the entries number of the headers buffer.

RQ:
 - shampo_no_match_alignment_granularity: the HW alignment granularity
   in case the received packet doesn't match the current session.

 - shampo_match_criteria_type: the type of match criteria.

 - reservation_timeout: the maximum time that the HW will hold the
   reservation.

mlx5_ifc_shampo_cap_bits, the capabilities of the SHAMPO feature:
 - shampo_log_max_reservation_size: the maximum allowed value of the field
   WQ.log_reservation_size.

 - log_reservation_size: the minimum allowed value of the field
   WQ.log_reservation_size.

 - shampo_min_mss_size: the minimum payload size of packet that can open
   a new session or be merged to a session.

 - shampo_max_log_headers_entry_size: the maximum allowed value of the field
   WQ.log_headers_entry_size

Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:39 -07:00
Ben Ben-Ishay 50f477fe99 net/mlx5e: Rename lro_timeout to packet_merge_timeout
TIR stands for transport interface receive, the TIR object is
responsible for performing all transport related operations on
the receive side like packet processing, demultiplexing the packets
to different RQ's, etc.
lro_timeout is a field in the TIR that is used to set the timeout for lro
session, this series introduces new packet merge type, therefore rename
lro_timeout to packet_merge_timeout for all packet merge types.

Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-26 19:30:38 -07:00
Luo Jie 06338ceff9 net: phy: fixed warning: Function parameter not described
Fixed warning: Function parameter or member 'enable' not
described in 'genphy_c45_fast_retrain'

Signed-off-by: Luo Jie <luoj@codeaurora.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20211026102957.17100-1-luoj@codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-26 14:09:50 -07:00
Jakub Kicinski 6b3671746a net/mlx5: remove the recent devlink params
revert commit 46ae40b94d ("net/mlx5: Let user configure io_eq_size param")
revert commit a6cb08daa3 ("net/mlx5: Let user configure event_eq_size param")
revert commit 5546040619 ("net/mlx5: Let user configure max_macs param")

The EQE parameters are applicable to more drivers, they should
be configured via standard API, probably ethtool. Example of
another driver needing something similar:

https://lore.kernel.org/all/1633454136-14679-3-git-send-email-sbhatta@marvell.com/

The last param for "max_macs" is probably fine but the documentation
is severely lacking. The meaning and implications for changing the
param need to be stated.

Link: https://lore.kernel.org/r/20211026152939.3125950-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-26 10:18:32 -07:00
Russell King (Oracle) d25f3a74f3 net: phylink: use supported_interfaces for phylink validation
If the network device supplies a supported interface bitmap, we can use
that during phylink's validation to simplify MAC drivers in two ways by
using the supported_interfaces bitmap to:

1. reject unsupported interfaces before calling into the MAC driver.
2. generate the set of all supported link modes across all supported
   interfaces (used mainly for SFP, but also some 10G PHYs.)

Suggested-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 15:10:36 +01:00
Lukas Wunner 046178e726 ifb: Depend on netfilter alternatively to tc
IFB originally depended on NET_CLS_ACT for traffic redirection.
But since v4.5, that may be achieved with NFT_FWD_NETDEV as well.

Fixes: 39e6dea28a ("netfilter: nf_tables: add forward expression to the netdev family")
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: <stable@vger.kernel.org> # v4.5+: bcfabee1afd9: netfilter: nft_fwd_netdev: allow to redirect to ifb via ingress
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 15:03:37 +01:00
Nathan Chancellor 971f5c4079 net: ax88796c: Remove pointless check in ax88796c_open()
Clang warns:

drivers/net/ethernet/asix/ax88796c_main.c:851:24: error: address of
array 'ax_local->phydev->advertising' will always evaluate to 'true'
[-Werror,-Wpointer-bool-conversion]
        if (ax_local->phydev->advertising &&
            ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ ~~

advertising cannot be NULL here if ax_local is not NULL, which cannot
happen due to the check in ax88796c_probe(). Remove the check.

Link: https://github.com/ClangBuiltLinux/linux/issues/1492
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 14:57:23 +01:00
Nathan Chancellor 3c5548812a net: ax88796c: Fix clang -Wimplicit-fallthrough in ax88796c_set_mac()
Clang warns:

drivers/net/ethernet/asix/ax88796c_main.c:696:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        case SPEED_10:
        ^
drivers/net/ethernet/asix/ax88796c_main.c:696:2: note: insert 'break;' to avoid fall-through
        case SPEED_10:
        ^
        break;
drivers/net/ethernet/asix/ax88796c_main.c:706:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
        case DUPLEX_HALF:
        ^
drivers/net/ethernet/asix/ax88796c_main.c:706:2: note: insert 'break;' to avoid fall-through
        case DUPLEX_HALF:
        ^
        break;

Clang is a little more pedantic than GCC, which permits implicit
fallthroughs to cases that contain just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing breaks to fix
the warning.

Link: https://github.com/ClangBuiltLinux/linux/issues/1491
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 14:57:23 +01:00
Haiyang Zhang a137c069fb net: mana: Allow setting the number of queues while the NIC is down
The existing code doesn't allow setting the number of queues while the
NIC is down.

Update the ethtool handler functions to support setting the number of
queues while the NIC is at down state.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 14:56:19 +01:00
Danielle Ratson 1c375ffb2e mlxsw: spectrum_router: Expose RIF MAC profiles to devlink resource
Expose via devlink-resource the maximum number of RIF MAC profiles and
their current occupancy, so it can be used for debug and writing generic
tests, like in the next patch.

Example for Spectrum-2 output:

$ devlink resource show pci/0000:06:00.0
...
  name rif_mac_profiles size 4 occ 0 unit entry dpipe_tables none

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 13:35:57 +01:00
Danielle Ratson 605d25cd78 mlxsw: spectrum_router: Add RIF MAC profiles support
Currently, mlxsw enforces that all the router interfaces (RIFs) have the
same MAC prefix.

Relax this limitation by using RIF MAC profiles. Each profile is
associated with a particular MAC prefix and multiple RIFs can use the
same profile. Therefore, the number of possible MAC prefixes is no
longer one, but the number of profiles supported by the device.

Store the profiles in an IDR and reference count them according to the
number of RIFs using them.

Associate a RIF with a profile when the RIF is created and remove the
association when the RIF is deleted.

Change the association following 'NETDEV_CHANGEADDR' events, except when
only one RIF is using the profile. In which case, change the MAC prefix
of the profile itself instead of associating the RIF with a new profile.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 13:35:57 +01:00
Danielle Ratson 26029225d9 mlxsw: spectrum_router: Propagate extack further
The next patch will set the MAC profile of a router interface (RIF) as
part of its configure() callback. The operation can fail in case the
maximum number of profiles was exceeded.

Add extack to mlxsw_sp_rif_ops::configure() in order to communicate such
failures to user space.

In addition, the MAC profile of a RIF can change following a
'NETDEV_CHANGEADDR' notification. Propagate extack to
mlxsw_sp_router_port_change_event() so that failures could be
communicated in this path as well.

No functional changes intended.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 13:35:57 +01:00
Danielle Ratson a8428e5045 mlxsw: resources: Add resource identifier for RIF MAC profiles
Add a resource identifier for maximum RIF MAC profiles so that it could
be later used to query the information from firmware.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 13:35:56 +01:00
Danielle Ratson d25d7fc31e mlxsw: reg: Add MAC profile ID field to RITR register
Add MAC profile ID field to RITR register so that it could be used for
associating a RIF with a MAC profile ID by a later patch.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 13:35:56 +01:00
Florian Westphal 8c9c296adf vrf: run conntrack only in context of lower/physdev for locally generated packets
The VRF driver invokes netfilter for output+postrouting hooks so that users
can create rules that check for 'oif $vrf' rather than lower device name.

This is a problem when NAT rules are configured.

To avoid any conntrack involvement in round 1, tag skbs as 'untracked'
to prevent conntrack from picking them up.

This gets cleared before the packet gets handed to the ip stack so
conntrack will be active on the second iteration.

One remaining issue is that a rule like

  output ... oif $vrfname notrack

won't propagate to the second round because we can't tell
'notrack set via ruleset' and 'notrack set by vrf driver' apart.
However, this isn't a regression: the 'notrack' removal happens
instead of unconditional nf_reset_ct().
I'd also like to avoid leaking more vrf specific conditionals into the
netfilter infra.

For ingress, conntrack has already been done before the packet makes it
to the vrf driver, with this patch egress does connection tracking with
lower/physical device as well.

Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 13:21:10 +01:00
David S. Miller 4900a76915 mlx5-updates-2021-10-25
Misc updates for mlx5 driver:
 
 1) Misc updates and cleanups:
  - Don't write directly to netdev->dev_addr, From Jakub Kicinski
  - Remove unnecessary checks for slow path flag in tc module
  - Fix unused function warning of mlx5i_flow_type_mask
  - Bridge, support replacing existing FDB entry
 
 2) Sub Functions, Reduction in memory usage:
  - Reduce flow counters bulk query buffer size
  - Implement max_macs devlink parameter
  - Add devlink vendor params to control Event Queue sizes
  - Added SF life cycle trace points by Parav/
 
 3) From Aya, Firmware health buffer reporting improvements
  - Print health buffer by log level and more missing information
  - Periodic update of host time to firmware
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Merge tag 'mlx5-updates-2021-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2021-10-25

Misc updates for mlx5 driver:

1) Misc updates and cleanups:
 - Don't write directly to netdev->dev_addr, From Jakub Kicinski
 - Remove unnecessary checks for slow path flag in tc module
 - Fix unused function warning of mlx5i_flow_type_mask
 - Bridge, support replacing existing FDB entry

2) Sub Functions, Reduction in memory usage:
 - Reduce flow counters bulk query buffer size
 - Implement max_macs devlink parameter
 - Add devlink vendor params to control Event Queue sizes
 - Added SF life cycle trace points by Parav/

3) From Aya, Firmware health buffer reporting improvements
 - Print health buffer by log level and more missing information
 - Periodic update of host time to firmware
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-26 13:17:45 +01:00
Jean Sacren 036f590fe5 net: qed_dev: fix check of true !rc expression
Remove the check of !rc in (!rc && !resc_lock_params.b_granted) since it
is always true.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-25 19:11:13 -07:00
Jean Sacren 165f8e82c2 net: qed_ptp: fix check of true !rc expression
Remove the check of !rc in (!rc && !params.b_granted) since it is always
true.

We should also use constant 0 for return.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-25 19:11:13 -07:00
Alexander Lobakin fd559a943e ax88796c: fix fetching error stats from percpu containers
rx_dropped, tx_dropped, rx_frame_errors and rx_crc_errors are being
wrongly fetched from the target container rather than source percpu
ones.
No idea if that goes from the vendor driver or was brainoed during
the refactoring, but fix it either way.

Fixes: a97c69ba4f ("net: ax88796c: ASIX AX88796C SPI Ethernet Adapter Driver")
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Link: https://lore.kernel.org/r/20211023121148.113466-1-alobakin@pm.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-25 17:33:16 -07:00
Parav Pandit d67ab0a8c1 net/mlx5: SF_DEV Add SF device trace points
Add SF device add and delete specific trace points.

echo mlx5:mlx5_sf_dev_add >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_dev_del >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_vhca_event >> /sys/kernel/debug/tracing/set_event

Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:21 -07:00
Parav Pandit b3ccada68b net/mlx5: SF, Add SF trace points
Add support for trace events for SFs to improve debugging.
This covers
(a) port add and free trace points
(b) device level trace points
(c) SF hardware context add, free trace points.
(d) SF function activate/deacticate and state trace points

SF events examples:
echo mlx5:mlx5_sf_add >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_free >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_hwc_alloc >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_hwc_free >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_hwc_deferred_free >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_update_state >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_activate >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_deactivate >> /sys/kernel/debug/tracing/set_event

Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:21 -07:00
Shay Drory 5546040619 net/mlx5: Let user configure max_macs param
Currently, max_macs is taking 70Kbytes of memory per function. This
size is not needed in all use cases, and is critical with large scale.
Hence, allow user to configure the number of max_macs.

For example, to reduce the number of max_macs to 1, execute::
$ devlink dev param set pci/0000:00:0b.0 name max_macs value 1 \
              cmode driverinit
$ devlink dev reload pci/0000:00:0b.0

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:21 -07:00
Shay Drory a6cb08daa3 net/mlx5: Let user configure event_eq_size param
Event EQ is an EQ which received the notification of almost all the
events generated by the NIC.
Currently, each event EQ is taking 512KB of memory. This size is not
needed in most use cases, and is critical with large scale. Hence,
allow user to configure the size of the event EQ.

For example to reduce event EQ size to 64, execute::
$ devlink resource set pci/0000:00:0b.0 path /event_eq_size/ size 64
$ devlink dev reload pci/0000:00:0b.0

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:20 -07:00
Shay Drory 46ae40b94d net/mlx5: Let user configure io_eq_size param
Currently, each I/O EQ is taking 128KB of memory. This size
is not needed in all use cases, and is critical with large scale.
Hence, allow user to configure the size of I/O EQs.

For example, to reduce I/O EQ size to 64, execute:
$ devlink resource set pci/0000:00:0b.0 path /io_eq_size/ size 64
$ devlink dev reload pci/0000:00:0b.0

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:20 -07:00
Vlad Buslov 3518c83fc9 net/mlx5: Bridge, support replacing existing FDB entry
The SWITCHDEV_FDB_ADD_TO_DEVICE is used for both adding new and replacing
existing entry. Implement support for replacing existing FDB entries in
mlx5 offload code.

Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:20 -07:00
Vlad Buslov 2deda2f1bf net/mlx5: Bridge, extract code to lookup and del/notify entry
Following two patterns in bridge code are used in multiple places where
similar code is duplicated:

- Lookup FDB entry from hashtable by address+vid pair.

- Notify software bridge and then delete existing FDB entry.

In order to improve code quality and prepare for following patch series
that also uses described patterns, extract the codes to dedicated helper
functions.

This commit doesn't change functionality.

Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:20 -07:00
Aya Levin 5a1023deee net/mlx5: Add periodic update of host time to firmware
Firmware logs its asserts also to non-volatile memory. In order to
reduce drift between the NIC and the host, the driver sets the host
epoch-time to the firmware every hour.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:19 -07:00
Aya Levin b87ef75cb5 net/mlx5: Print health buffer by log level
Add log macro which gets log level as a parameter. Use the severity
read from the health buffer and the new log macro to log the health buffer
with severity as log level.  Prior to this patch, health buffer was
printed in error log level regardless of its severity. Now the user may
filter dmesg (--level) or change kernel log level to focus on different
severity levels of firmware errors.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:19 -07:00
Aya Levin cb464ba53c net/mlx5: Extend health buffer dump
Enhance health buffer to include:
 - assert_var5: expose the 6'th assert variable.
 - time: error's time-stamp in seconds (epoch time).
 - rfr: Recovery Flow Requiered. When set, indicates that the error
        cannot be recovered without flow involving reset.
 - severity: error's severity value, ranging from emergency to debug.
Expose them in the health buffer dump (dmesg and devlink fw reporter).

Health buffer in dmesg:
mlx5_core 0000:08:00.0: print_health_info:425:(pid 912): Health issue observed, firmware internal error, severity(3) ERROR:
mlx5_core 0000:08:00.0: print_health_info:429:(pid 912): assert_var[0] 0x08040700
mlx5_core 0000:08:00.0: print_health_info:429:(pid 912): assert_var[1] 0x00000000
mlx5_core 0000:08:00.0: print_health_info:429:(pid 912): assert_var[2] 0x00000000
mlx5_core 0000:08:00.0: print_health_info:429:(pid 912): assert_var[3] 0x00000000
mlx5_core 0000:08:00.0: print_health_info:429:(pid 912): assert_var[4] 0x00000000
mlx5_core 0000:08:00.0: print_health_info:429:(pid 912): assert_var[5] 0x00000000
mlx5_core 0000:08:00.0: print_health_info:432:(pid 912): assert_exit_ptr 0x00aaf800
mlx5_core 0000:08:00.0: print_health_info:434:(pid 912): assert_callra 0x00aaf70c
mlx5_core 0000:08:00.0: print_health_info:436:(pid 912): fw_ver 16.32.492
mlx5_core 0000:08:00.0: print_health_info:437:(pid 912): time 1634819758
mlx5_core 0000:08:00.0: print_health_info:438:(pid 912): hw_id 0x0000020d
mlx5_core 0000:08:00.0: print_health_info:439:(pid 912): rfr 0
mlx5_core 0000:08:00.0: print_health_info:440:(pid 912): severity 3 (ERROR)
mlx5_core 0000:08:00.0: print_health_info:441:(pid 912): irisc_index 9
mlx5_core 0000:08:00.0: print_health_info:442:(pid 912): synd 0x1: firmware internal error
mlx5_core 0000:08:00.0: print_health_info:444:(pid 912): ext_synd 0x802b
mlx5_core 0000:08:00.0: print_health_info:445:(pid 912): raw fw_ver 0x102001ec

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:19 -07:00
Avihai Horon 2fdeb4f4c2 net/mlx5: Reduce flow counters bulk query buffer size for SFs
Currently, the flow counters bulk query buffer takes a little more than
512KB of memory, which is aligned to the next power of 2, to 1MB.

The buffer size determines the maximum number of flow counters that can
be queried at a time. Thus, having a bigger buffer can improve
performance for users that need to query many flow counters.

SFs don't use many flow counters and don't need a big buffer. Since this
size is critical with large scale, reduce the size of the bulk query
buffer for SFs.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:18 -07:00
Shay Drory 038e5e4718 net/mlx5: Fix unused function warning of mlx5i_flow_type_mask
The cited commit is causing unused-function warning[1] when
CONFIG_MLX5_EN_RXNFC is not set.
Fix this by moving the function into the ifdef, where it's only used

[1]
warning: ‘mlx5i_flow_type_mask’ defined but not used [-Wunused-function]

Fixes: 9fbe1c25ec ("net/mlx5i: Enable Rx steering for IPoIB via ethtool")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:18 -07:00
Paul Blakey a64c5edbd2 net/mlx5: Remove unnecessary checks for slow path flag
After previous changes, caller (mlx5e_tc_offload_fdb_rules()) already
checks for the slow path flag, and if set won't call offload/unoffload
sample.

Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:18 -07:00
Jakub Kicinski 537e4d2e6f net/mlx5e: don't write directly to netdev->dev_addr
Use a local buffer and eth_hw_addr_set()

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:17 -07:00
Jakub Kicinski a0c8c3372b fddi: defza: add missing pointer type cast
hw_addr is a uint AKA unsigned int. dev_addr_set() takes
a u8 *.

  drivers/net/fddi/defza.c:1383:27: error: passing argument 2 of 'dev_addr_set' from incompatible pointer type [-Werror=incompatible-pointer-types]

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 1e9258c389 ("fddi: defxx,defza: use dev_addr_set()")
Acked-by: Maciej W. Rozycki <macro@orcam.me.uk>
Link: https://lore.kernel.org/r/20211025160000.2803818-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-25 10:28:47 -07:00