Commit Graph

1451 Commits

Author SHA1 Message Date
Srujana Challa
2e2ee4cd0a octeontx2-af: Add mailbox for CPT stats
Adds a new mailbox to get CPT stats, includes performance
counters, CPT engines status and RXC status.

Signed-off-by: Narayana Prasad Raju Atherya <pathreya@marvell.com>
Signed-off-by: Srujana Challa <schalla@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-21 10:23:17 -07:00
Srujana Challa
ecad2ce8c4 octeontx2-af: cn10k: Add mailbox to configure reassembly timeout
CN10K CPT coprocessor includes a component named RXC which
is responsible for reassembly of inner IP packets. RXC has
the feature to evict oldest entries based on age/threshold.
This patch adds a new mailbox to configure reassembly age
or threshold.

Signed-off-by: Jerin Jacob Kollanukkaran <jerinj@marvell.com>
Signed-off-by: Srujana Challa <schalla@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-21 10:23:17 -07:00
Srujana Challa
e4bbc5c53a octeontx2-af: cn10k: Mailbox changes for CN10K CPT
Adds changes to existing CPT mailbox messages to support
CN10K CPT block. This patch also adds new register defines
for CN10K CPT.

Signed-off-by: Vidya Sagar Velumuri <vvelumuri@marvell.com>
Signed-off-by: Srujana Challa <schalla@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-21 10:23:17 -07:00
Vadym Kochan
ced97eea39 net: marvell: prestera: add support for AC3X 98DX3265 device
Add PCI match for AC3X 98DX3265 device which is supported by the current
driver and firmware.

Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-19 16:13:58 -07:00
Stefan Chulski
4ad29b1a48 net: mvpp2: Add parsing support for different IPv4 IHL values
Add parser entries for different IPv4 IHL values.
Each entry will set the L4 header offset according to the IPv4 IHL field.
L3 header offset will set during the parsing of the IPv4 protocol.

Because of missed parser support for IP header length > 20, RX IPv4 checksum HW offload fails
and skb->ip_summed set to CHECKSUM_NONE(checksum done by Network stack).
This patch adds RX IPv4 checksum HW offload capability for frames with IP header length > 20.

v1 --> v2
- Improve commit message.

Suggested-by: Dana Vardi <danat@marvell.com>
Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-16 15:29:40 -07:00
Vladimir Oltean
2c4eca3ef7 net: bridge: switchdev: include local flag in FDB notifications
As explained in bugfix commit 6ab4c3117a ("net: bridge: don't notify
switchdev for local FDB addresses") as well as in this discussion:
https://lore.kernel.org/netdev/20210117193009.io3nungdwuzmo5f7@skbuf/

the switchdev notifiers for FDB entries managed to have a zero-day bug,
which was that drivers would not know what to do with local FDB entries,
because they were not told that they are local. The bug fix was to
simply not notify them of those addresses.

Let us now add the 'is_local' bit to bridge FDB entries, and make all
drivers ignore these entries by their own choice.

Co-developed-by: Tobias Waldekranz <tobias@waldekranz.com>
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-16 15:15:45 -07:00
Michael Walle
83216e3988 of: net: pass the dst buffer to of_get_mac_address()
of_get_mac_address() returns a "const void*" pointer to a MAC address.
Lately, support to fetch the MAC address by an NVMEM provider was added.
But this will only work with platform devices. It will not work with
PCI devices (e.g. of an integrated root complex) and esp. not with DSA
ports.

There is an of_* variant of the nvmem binding which works without
devices. The returned data of a nvmem_cell_read() has to be freed after
use. On the other hand the return of_get_mac_address() points to some
static data without a lifetime. The trick for now, was to allocate a
device resource managed buffer which is then returned. This will only
work if we have an actual device.

Change it, so that the caller of of_get_mac_address() has to supply a
buffer where the MAC address is written to. Unfortunately, this will
touch all drivers which use the of_get_mac_address().

Usually the code looks like:

  const char *addr;
  addr = of_get_mac_address(np);
  if (!IS_ERR(addr))
    ether_addr_copy(ndev->dev_addr, addr);

This can then be simply rewritten as:

  of_get_mac_address(np, ndev->dev_addr);

Sometimes is_valid_ether_addr() is used to test the MAC address.
of_get_mac_address() already makes sure, it just returns a valid MAC
address. Thus we can just test its return code. But we have to be
careful if there are still other sources for the MAC address before the
of_get_mac_address(). In this case we have to keep the
is_valid_ether_addr() call.

The following coccinelle patch was used to convert common cases to the
new style. Afterwards, I've manually gone over the drivers and fixed the
return code variable: either used a new one or if one was already
available use that. Mansour Moufid, thanks for that coccinelle patch!

<spml>
@a@
identifier x;
expression y, z;
@@
- x = of_get_mac_address(y);
+ x = of_get_mac_address(y, z);
  <...
- ether_addr_copy(z, x);
  ...>

@@
identifier a.x;
@@
- if (<+... x ...+>) {}

@@
identifier a.x;
@@
  if (<+... x ...+>) {
      ...
  }
- else {}

@@
identifier a.x;
expression e;
@@
- if (<+... x ...+>@e)
-     {}
- else
+ if (!(e))
      {...}

@@
expression x, y, z;
@@
- x = of_get_mac_address(y, z);
+ of_get_mac_address(y, z);
  ... when != x
</spml>

All drivers, except drivers/net/ethernet/aeroflex/greth.c, were
compile-time tested.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-13 14:35:02 -07:00
Yangyang Li
9568387c9f net: marvell: Fix an alignment problem
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>
2021-03-29 13:23:59 -07:00
Yangyang Li
9abcaa96ce net: marvell: Delete extra spaces
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>
2021-03-29 13:23:59 -07:00
Yangyang Li
df4a17a98d net: marvell: Fix the trailing format of some block comments
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>
2021-03-29 13:23:58 -07:00
Yangyang Li
b52f642548 net: marvell: Delete duplicate word in comments
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>
2021-03-29 13:23:58 -07:00
David S. Miller
241949e488 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:

====================
pull-request: bpf-next 2021-03-24

The following pull-request contains BPF updates for your *net-next* tree.

We've added 37 non-merge commits during the last 15 day(s) which contain
a total of 65 files changed, 3200 insertions(+), 738 deletions(-).

The main changes are:

1) Static linking of multiple BPF ELF files, from Andrii.

2) Move drop error path to devmap for XDP_REDIRECT, from Lorenzo.

3) Spelling fixes from various folks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-25 16:30:46 -07:00
David S. Miller
efd13b71a3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-25 15:31:22 -07:00
Arnd Bergmann
b7fbc88692 octeontx2: fix -Wnonnull warning
When compile testing this driver on a platform on which probe() is
known to fail at compile time, gcc warns about the cgx_lmactype_string[]
array being uninitialized:

In function 'strncpy',
    inlined from 'link_status_user_format' at /git/arm-soc/drivers/net/ethernet/marvell/octeontx2/af/cgx.c:838:2,
    inlined from 'cgx_link_change_handler' at /git/arm-soc/drivers/net/ethernet/marvell/octeontx2/af/cgx.c:853:2:
include/linux/fortify-string.h:27:30: error: argument 2 null where non-null expected [-Werror=nonnull]
   27 | #define __underlying_strncpy __builtin_strncpy

Address this by turning the runtime initialization into a fixed array,
which should also produce better code.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-24 15:14:15 -07:00
Bhaskar Chowdhury
b6c6680b8b octeontx2-af: Few mundane typos fixed
s/preceeds/precedes/  .....two different places
s/rsponse/response/
s/cetain/certain/
s/precison/precision/

Fix a sentence construction as per suggestion.

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-24 15:09:11 -07:00
Colin Ian King
9e0a537d06 octeontx2-af: Fix memory leak of object buf
Currently the error return path when lfs fails to allocate is not free'ing
the memory allocated to buf. Fix this by adding the missing kfree.

Addresses-Coverity: ("Resource leak")
Fixes: f788409714 ("octeontx2-af: Formatting debugfs entry rsrc_alloc.")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-24 12:33:06 -07:00
Colin Ian King
745740ac56 octeontx2-pf: Fix spelling mistake "ratelimitter" -> "ratelimiter"
There is a spelling mistake in an error message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-19 12:10:49 -07:00
Wei Yongjun
140960564d octeontx2-pf: Fix missing spin_lock_init() in otx2_tc_add_flow()
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.

Fixes: d8ce30e0cf ("octeontx2-pf: add tc flower stats handler for hw offloads")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-19 12:09:22 -07:00
Colin Ian King
0f9651bb3a octeontx2-af: Remove redundant initialization of pointer pfvf
The pointer pfvf 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")
Fixes: 56bcef528b ("octeontx2-af: Use npc_install_flow API for promisc and broadcast entries")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 19:13:42 -07:00
Christophe Leroy
600cc3c9c6 net: marvell: Remove reference to CONFIG_MV64X60
Commit 92c8c16f34 ("powerpc/embedded6xx: Remove C2K board support")
removed last selector of CONFIG_MV64X60.

As it is not a user selectable config item, all references to it
are stale. Remove them.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:19:39 -07:00
Subbaraya Sundeep
8c16cb0304 octeontx2-af: Fix uninitialized variable warning
Initialize l4_key_offset variable to fix uninitialized
variable compiler warning.

Fixes: b9b7421a01 ("octeontx2-af: Support ESP/AH RSS hashing")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:12:42 -07:00
Hariprasad Kelam
64451b9830 octeontx2-af: fix infinite loop in unmapping NPC counter
unmapping npc counter works in a way by traversing all mcam
entries to find which mcam rule is associated with counter.
But loop cursor variable 'entry' is not incremented before
checking next mcam entry which resulting in infinite loop.

This in turn hogs the kworker thread forever and no other
mbox message is processed by AF driver after that.
Fix this by updating entry value before checking next
mcam entry.

Fixes: a958dd59f9 ("octeontx2-af: Map or unmap NPC MCAM entry and counter")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:12:42 -07:00
Geetha sowjanya
f12098ce9b octeontx2-pf: Clear RSS enable flag on interace down
RSS configuration can not be get/set when interface is in down state
as they required mbox communication. RSS enable flag status
is used for set/get configuration. Current code do not clear the
RSS enable flag on interface down which lead to mbox error while
trying to set/get RSS configuration.

Fixes: 85069e95e5 ("octeontx2-pf: Receive side scaling support")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:12:42 -07:00
Geetha sowjanya
ae2619dd4f octeontx2-af: Fix irq free in rvu teardown
Current devlink code try to free already freed irqs as the
irq_allocate flag is not cleared after free leading to kernel
crash while removing rvu driver. The patch fixes the irq free
sequence and clears the irq_allocate flag on free.

Fixes: 7304ac4567 ("octeontx2-af: Add mailbox IRQ and msg handlers")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:12:42 -07:00
Subbaraya Sundeep
2978878729 octeontx2-af: Return correct CGX RX fifo size
CGX receive buffer size is a constant value and
cannot be read from CGX0 block always since
CGX0 may not enabled everytime. Hence return CGX
receive buffer size from first enabled CGX block
instead of CGX0.

Fixes: 6e54e1c539 ("octeontx2-af: cn10K: MTU configuration")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:12:42 -07:00
Subbaraya Sundeep
ce86c2a531 octeontx2-af: Remove TOS field from MKEX TX
The MKEX profile describes what packet fields need to be extracted from
the input packet and how to place those packet fields in the output key
for MCAM matching.  The MKEX profile can be in a way where higher layer
packet fields can overwrite lower layer packet fields in output MCAM
Key.
Hence MKEX profile is always ensured that there are no overlaps between
any of the layers. But the commit 42006910b5
("octeontx2-af: cleanup KPU config data") introduced TX TOS field which
overlaps with DMAC in MCAM key.
This led to AF driver returning error when TX rule is installed with
DMAC as match criteria since DMAC gets overwritten and cannot be
supported. This patch fixes the issue by removing TOS field from MKEX TX
profile.

Fixes: 42006910b5 ("octeontx2-af: cleanup KPU config data")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:12:42 -07:00
Rakesh Babu
f788409714 octeontx2-af: Formatting debugfs entry rsrc_alloc.
With the existing rsrc_alloc's format, there is misalignment for the
pcifunc entries whose VF's index is a double digit. This patch fixes
this.

    pcifunc     NPA         NIX0        NIX1        SSO GROUP   SSOWS
    TIM         CPT0        CPT1        REE0        REE1
    PF0:VF0     8           5
    PF0:VF1     9                       3
    PF0:VF10    18          10
    PF0:VF11    19                      8
    PF0:VF12    20          11
    PF0:VF13    21                      9
    PF0:VF14    22          12
    PF0:VF15    23                      10
    PF1         0           0

Fixes: 23205e6d06 ("octeontx2-af: Dump current resource provisioning status")
Signed-off-by: Rakesh Babu <rsaladi2@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:12:42 -07:00
Subbaraya Sundeep
f41b2d67d7 octeontx2-pf: Do not modify number of rules
In the ETHTOOL_GRXCLSRLALL ioctl ethtool uses
below structure to read number of rules from the driver.

    struct ethtool_rxnfc {
            __u32                           cmd;
            __u32                           flow_type;
            __u64                           data;
            struct ethtool_rx_flow_spec     fs;
            union {
                    __u32                   rule_cnt;
                    __u32                   rss_context;
            };
            __u32                           rule_locs[0];
    };

Driver must not modify rule_cnt member. But currently driver
modifies it by modifying rss_context. Hence fix it by using a
local variable.

Fixes: 81a4362016 ("octeontx2-pf: Add RSS multi group support")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 14:12:41 -07:00
Sunil Goutham
e638a83f16 octeontx2-pf: TC_MATCHALL egress ratelimiting offload
Add TC_MATCHALL egress ratelimiting offload support with POLICE
action for entire traffic going out of the interface.

Eg: To ratelimit egress traffic to 100Mbps

$ ethtool -K eth0 hw-tc-offload on
$ tc qdisc add dev eth0 clsact
$ tc filter add dev eth0 egress matchall skip_sw \
                action police rate 100Mbit burst 16Kbit

HW supports a max burst size of ~128KB.
Only one ratelimiting filter can be installed at a time.

Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 11:37:22 -07:00
Naveen Mamindlapalli
d8ce30e0cf octeontx2-pf: add tc flower stats handler for hw offloads
Add support to get the stats for tc flower flows that are
offloaded to hardware. To support this feature, added a
new AF mbox handler which returns the MCAM entry stats
for a flow that has hardware stat counter enabled.

Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 11:37:22 -07:00
Naveen Mamindlapalli
1d4d9e42c2 octeontx2-pf: Add tc flower hardware offload on ingress traffic
This patch adds support for tc flower hardware offload on ingress
traffic. Since the tc-flower filter rules use the same set of MCAM
rules as the n-tuple filters, the n-tuple filters and tc flower
rules are mutually exclusive. When one of the feature is enabled
using ethtool, the other feature is disabled in the driver. By default
the driver enables n-tuple filters during initialization.

The following flow keys are supported.
    -> Ethernet: dst_mac
    -> L2 proto: all protocols
    -> VLAN (802.1q): vlan_id/vlan_prio
    -> IPv4: dst_ip/src_ip/ip_proto{tcp|udp|sctp|icmp}/ip_tos
    -> IPv6: ip_proto{icmpv6}
    -> L4(tcp/udp/sctp): dst_port/src_port

The following flow actions are supported.
    -> drop
    -> accept
    -> redirect
    -> vlan pop

The flow action supports multiple actions when vlan pop is specified
as the first action. The redirect action supports redirecting to the
PF/VF of same PCI device. Redirecting to other PCI NIX devices is not
supported.

Example #1: Add a tc filter rule to drop UDP traffic with dest port 80
    # ethtool -K eth0 hw-tc-offload on
    # tc qdisc add dev eth0 ingress
    # tc filter add dev eth0 protocol ip parent ffff: flower ip_proto \
          udp dst_port 80 action drop

Example #2: Add a tc filter rule to redirect ingress traffic on eth0
with vlan id 3 to eth6 (ex: eth0 vf0) after stripping the vlan hdr.
    # ethtool -K eth0 hw-tc-offload on
    # tc qdisc add dev eth0 ingress
    # tc filter add dev eth0 parent ffff: protocol 802.1Q flower \
          vlan_id 3 vlan_ethtype ipv4 action vlan pop action mirred \
          ingress redirect dev eth6

Example #3: List the ingress filter rules
    # tc -s filter show dev eth4 ingress

Example #4: Delete tc flower filter rule with handle 0x1
    # tc filter del dev eth0 ingress protocol ip pref 49152 \
      handle 1 flower

Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 11:37:22 -07:00
Naveen Mamindlapalli
2b9cef6679 octeontx2-pf: Add ip tos and ip proto icmp/icmpv6 flow offload support
Add support for programming the HW MCAM match key with IP tos, IP(v6)
proto icmp/icmpv6, allowing flow offload rules to be installed using
those fields. The NPC HW extracts layer type, which will be used as a
matching criteria for different IP protocols.

The ethtool n-tuple filter logic has been updated to parse the IP tos
and l4proto for HW offloading. l4proto tcp/udp/sctp/ah/esp/icmp are
supported. See example usage below.

Ex: Redirect l4proto icmp to vf 0 queue 0
ethtool -U eth0 flow-type ip4 l4proto 1 action vf 0 queue 0

Ex: Redirect flow with ip tos 8 to vf 0 queue 0
ethtool -U eth0 flow-type ip4 tos 8 vf 0 queue 0

Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18 11:37:22 -07:00
Lorenzo Bianconi
fdc13979f9 bpf, devmap: Move drop error path to devmap for XDP_REDIRECT
We want to change the current ndo_xdp_xmit drop semantics because it will
allow us to implement better queue overflow handling. This is working
towards the larger goal of a XDP TX queue-hook. Move XDP_REDIRECT error
path handling from each XDP ethernet driver to devmap code. According to
the new APIs, the driver running the ndo_xdp_xmit pointer, will break tx
loop whenever the hw reports a tx error and it will just return to devmap
caller the number of successfully transmitted frames. It will be devmap
responsibility to free dropped frames.

Move each XDP ndo_xdp_xmit capable driver to the new APIs:

- veth
- virtio-net
- mvneta
- mvpp2
- socionext
- amazon ena
- bnxt
- freescale (dpaa2, dpaa)
- xen-frontend
- qede
- ice
- igb
- ixgbe
- i40e
- mlx5
- ti (cpsw, cpsw-new)
- tun
- sfc

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Camelia Groza <camelia.groza@nxp.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Shay Agroskin <shayagr@amazon.com>
Link: https://lore.kernel.org/bpf/ed670de24f951cfd77590decf0229a0ad7fd12f6.1615201152.git.lorenzo@kernel.org
2021-03-18 16:38:51 +01:00
Naveen Mamindlapalli
058fa3d915 octeontx2-af: Modify the return code for unsupported flow keys
The mbox handler npc_install_flow returns ENOTSUPP for unsupported
flow keys. This patch modifies the return value to AF driver defined
error code for debugging purpose.

Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-17 12:29:40 -07:00
Subbaraya Sundeep
b6b0e3667e octeontx2-af: Avoid duplicate unicast rule in mcam_rules list
A mcam rule described by mcam_rule struct has all the info
such as the hardware MCAM entry number, match criteria and
corresponding action etc. All mcam rules are stored in a
linked list mcam->rules. When adding/updating a rule to the
mcam->rules it is checked if a rule already exists for the
mcam entry. If the rule already exists, the same rule is
updated instead of creating new rule. This way only one
mcam_rule exists for the only one default unicast entry
installed by AF. But a PF/VF can get different NIXLF
(or default unicast entry number) after a attach-detach-attach
sequence. When that happens mcam_rules list end up with two
default unicast rules. Fix the problem by deleting the default
unicast rule list node always when disabling mcam rules.

Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-17 12:29:40 -07:00
Naveen Mamindlapalli
56bcef528b octeontx2-af: Use npc_install_flow API for promisc and broadcast entries
Use npc_install_flow mailbox API for installing the default promisc
and broadcast match entries. Earlier these entries were installed
using low level npc_config_mcam_entry API, which does not store these
rules and is not available when the rules are dumped using debugfs.
Added chan_mask field to npc_install_flow_req to calculate channel
mask when channel count is greater than 1 and configure the channel
mask in entry kw_mask.

Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-17 12:29:39 -07:00
Nalla, Pradeep
d450a23515 octeontx2-af: Add support for multi channel in NIX promisc entry
This patch adds support for multi channel NIX promisc entry. Packets sent
on all those channels by the host should be received by the interface to
which those channels belong. Channel count, if greater than 1, should be
power of 2 as only one promisc entry is available for the interface. Key
mask is modified such that incoming packets from channel base to channel
count are directed to the same pci function.

Signed-off-by: Nalla, Pradeep <pnalla@marvell.com>
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-17 12:29:39 -07:00
Naveen Mamindlapalli
63f925dc55 octeontx2-af: refactor function npc_install_flow for default entry
This patch refactors npc_install_flow function to install AF
installed default MCAM entries similar to other MCAM entries
installed by PF/VF. As a result the code would be more readable
and easy to maintain. Modified npc_verify_entry and npc_verify_channel
to properly check MCAM rules installed by AF.

Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-17 12:29:39 -07:00
Bhaskar Chowdhury
65c7bc1b7a net: ethernet: marvell: Fixed typo in the file sky2.c
s/calclation/calculation/

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-13 18:06:11 -08:00
Pavel Andrianov
0571a753cb net: pxa168_eth: Fix a potential data race in pxa168_eth_remove
pxa168_eth_remove() firstly calls unregister_netdev(),
then cancels a timeout work. unregister_netdev() shuts down a device
interface and removes it from the kernel tables. If the timeout occurs
in parallel, the timeout work (pxa168_eth_tx_timeout_task) performs stop
and open of the device. It may lead to an inconsistent state and memory
leaks.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-10 15:21:33 -08:00
Dan Carpenter
2378b2c9ec octeontx2-af: cn10k: fix an array overflow in is_lmac_valid()
The value of "lmac_id" can be controlled by the user and if it is larger
then the number of bits in long then it reads outside the bitmap.
The highest valid value is less than MAX_LMAC_PER_CGX (4).

Fixes: 91c6945ea1 ("octeontx2-af: cn10k: Add RPM MAC support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-03 08:44:24 -08:00
Krzysztof Halasa
18755e2706 Marvell Sky2 Ethernet adapter: fix warning messages.
sky2.c driver uses netdev_warn() before the net device is initialized.
Fix it by using dev_warn() instead.

Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>

Link: https://lore.kernel.org/r/m3a6s1r1ul.fsf@t19.piap.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-23 12:17:21 -08:00
Stefan Chulski
0a8a800027 net: mvpp2: skip RSS configurations on loopback port
PPv2 loopback port doesn't support RSS, so we should
skip RSS configurations for this port.

Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Reviewed-by: Marcin Wojtas <mw@semihalf.com>
Link: https://lore.kernel.org/r/1613652123-19021-1-git-send-email-stefanc@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-22 18:41:45 -08:00
Dan Carpenter
3a2eb515d1 octeontx2-af: Fix an off by one in rvu_dbg_qsize_write()
This code does not allocate enough memory for the NUL terminator so it
ends up putting it one character beyond the end of the buffer.

Fixes: 8756828a81 ("octeontx2-af: Add NPA aura and pool contexts to debugfs")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-21 13:29:25 -08:00
Dan Carpenter
38b5133ad6 octeontx2-pf: Fix otx2_get_fecparam()
Static checkers complained about an off by one read overflow in
otx2_get_fecparam() and we applied two conflicting fixes for it.

Correct: b0aae0bde2 ("octeontx2: Fix condition.")
  Wrong: 93efb0c656 ("octeontx2-pf: Fix out-of-bounds read in otx2_get_fecparam()")

Revert the incorrect fix.

Fixes: 93efb0c656 ("octeontx2-pf: Fix out-of-bounds read in otx2_get_fecparam()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-17 14:33:22 -08:00
Dan Carpenter
c77662605d cteontx2-pf: cn10k: Prevent harmless double shift bugs
These defines are used with set_bit() and test_bit() which take a bit
number.  In other words, the code is doing:

	if (BIT(BIT(1)) & pf->hw.cap_flag) {

This was done consistently so it did not cause a problem at runtime but
it's still worth fixing.

Fixes: facede8209 ("octeontx2-pf: cn10k: Add mbox support for CN10K")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-17 14:26:49 -08:00
Maxime Chevallier
4906887a8a net: mvneta: Implement mqprio support
Implement a basic MQPrio support, inserting rules in RX that translate
the TC to prio mapping into vlan prio to queues.

The TX logic stays the same as when we don't offload the qdisc.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-16 15:03:26 -08:00
Maxime Chevallier
cf9bf87128 net: mvneta: Remove per-cpu queue mapping for Armada 3700
According to Errata #23 "The per-CPU GbE interrupt is limited to Core
0", we can't use the per-cpu interrupt mechanism on the Armada 3700
familly.

This is correctly checked for RSS configuration, but the initial queue
mapping is still done by having the queues spread across all the CPUs in
the system, both in the init path and in the cpu_hotplug path.

Fixes: 2636ac3cc2 ("net: mvneta: Add network support for Armada 3700 SoC")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-16 15:03:26 -08:00
Geetha sowjanya
786621d200 octeontx2-af: cn10k: Fixes CN10K RPM reference issue
This patch fixes references to uninitialized variables and
debugfs entry name for CN10K platform and HW_TSO flag check.

Fixes: 3ad3f8f93c ("octeontx2-af: cn10k: MAC internal loopback support").
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>

v1-v2
- Clear HW_TSO flag for 96xx B0 version.

This patch fixes the bug introduced by the commit
3ad3f8f93c ("octeontx2-af: cn10k: MAC internal loopback support").
These changes are not yet merged into net branch, hence submitting
to net-next.

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-16 13:59:47 -08:00
Stefan Chulski
3a616b92a9 net: mvpp2: Add TX flow control support for jumbo frames
With MTU less than 1500B on all ports, the driver uses per CPU pool mode.
If one of the ports set to jumbo frame MTU size, all ports move
to shared pools mode.
Here, buffer manager TX Flow Control reconfigured on all ports.

Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-15 13:37:13 -08:00