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Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "yuval.shaia@oracle.com" <yuval.shaia@oracle.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Philippe Reynes <tremyfr@gmail.com>
Cc: Allen Pais <allen.lkml@gmail.com>
Cc: Tobias Klauser <tklauser@distanz.ch>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Allen Pais <allen.lkml@gmail.com>
Cc: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn>
Cc: Philippe Reynes <tremyfr@gmail.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Allen Pais <allen.lkml@gmail.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Philippe Reynes <tremyfr@gmail.com>
Cc: Wei Yongjun <weiyongjun1@huawei.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Matan Barak <matanb@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: netdev@vger.kernel.org
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Roman Yeryomin <leroi.lists@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "yuval.shaia@oracle.com" <yuval.shaia@oracle.com>
Cc: Allen Pais <allen.lkml@gmail.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Philippe Reynes <tremyfr@gmail.com>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Denis Kirjanov <kda@linux-powerpc.org>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Denis Kirjanov <kda@linux-powerpc.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Santosh Raspatur <santosh@chelsio.com>
Cc: Ganesh Goudar <ganeshgr@chelsio.com>
Cc: Casey Leedom <leedom@chelsio.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Allen Pais <allen.lkml@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: David Howells <dhowells@redhat.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Allen Pais <allen.lkml@gmail.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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make use of the swap macro and remove unnecessary variable tmp_addr.
This makes the code easier to read and maintain.
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently stmmac driver not copying the valid ethernet
MAC address to MAC registers. This patch takes care
of updating the MAC register with MAC address.
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add message to inform the VF MAC was changed and the need to restart
the VF driver for the changes to be effective.
Signed-off-by: Pablo Cascón <pablo.cascon@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Doing ifconfig down on VF driver in the middle of receiving line rate
traffic causes a kernel panic:
LiquidIO_VF 0000:02:00.3: should not come here should not get rx when poll mode = 0 for vf
BUG: unable to handle kernel NULL pointer dereference at (null)
.
.
.
Call Trace:
<IRQ>
? tasklet_action+0x102/0x120
__do_softirq+0x91/0x292
irq_exit+0xb6/0xc0
do_IRQ+0x4f/0xd0
common_interrupt+0x93/0x93
</IRQ>
RIP: 0010:cpuidle_enter_state+0x142/0x2f0
RSP: 0018:ffffffffa6403e20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff59
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001f
RDX: 0000000000000000 RSI: 000000002ab7519f RDI: 0000000000000000
RBP: ffffffffa6403e58 R08: 0000000000000084 R09: 0000000000000018
R10: ffffffffa6403df0 R11: 00000000000003c7 R12: 0000000000000003
R13: ffffd27ebd806800 R14: ffffffffa64d40d8 R15: 0000007be072823f
cpuidle_enter+0x17/0x20
call_cpuidle+0x23/0x40
do_idle+0x18c/0x1f0
cpu_startup_entry+0x64/0x70
rest_init+0xa5/0xb0
start_kernel+0x45e/0x46b
x86_64_start_reservations+0x24/0x26
x86_64_start_kernel+0x6f/0x72
secondary_startup_64+0xa5/0xa5
Code: Bad RIP value.
RIP: (null) RSP: ffff9246ed003f28
CR2: 0000000000000000
---[ end trace 92731e80f31b7d7d ]---
Kernel panic - not syncing: Fatal exception in interrupt
Kernel Offset: 0x24000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
---[ end Kernel panic - not syncing: Fatal exception in interrupt
Reason is: in the function assigned to net_device_ops->ndo_stop, the steps
for bringing down the interface are done in the wrong order. The step that
notifies the NIC firmware to stop forwarding packets to host is done too
late. Fix it by moving that step to the beginning.
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new bindings (dsa2.c) and the old bindings (legacy.c) share two
helpers dsa_cpu_dsa_setup and dsa_cpu_dsa_destroy, used to register or
deregister a fixed PHY if a given port has a corresponding device node.
Unclutter the code by moving them into two new port.c helpers,
dsa_port_fixed_link_register_of and dsa_port_fixed_link_(un)register_of.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix undefined symbols when CONFIG_VLAN_8021Q or CONFIG_INET is not set.
Fixes: 8c95f773b4a3 ("bnxt_en: add support for Flower based vxlan encap/decap offload")
Reported-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Defer ringing the Tx doorbell if skb->xmit_more is set unless the Tx queue
is full or stopped. To keep latency low, use a deferral limit of 8
packets. We chose 8 because Octeon can fetch at most 8 packets in a single
PCI read, and our tests show that 8 results in low latency.
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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John Allen says:
====================
ibmvnic: Tunable parameter support
This series implements support for changing tunable parameters such as the
mtu, number of tx/rx queues, and number of buffers per queue via ethtool
and ifconfig.
v2: -Fix conflict with Tom's recently applied TSO/SG patches
v3: -Initialize rc in __ibmvnic_reset fixing build warning
-Fix buggy behavior with pending mac changes. Use boolean flag
to track if mac change is needed on open rather than relying on
the desired->mac pointer.
-Directly include tunable structs in the adapter struct rather
than keeping pointers, eliminating the need to directly allocate
them.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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For all non-fatal reset conditions, the hypervisor will send a failover when
we attempt to initialize the crq and the vnic client is expected to handle
that failover instead of the existing non-fatal reset. To handle this, we
need to return from init with a return code that indicates that we have hit
this case.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update ibmvnic reset infrastructure to include a new reset option that will
allow changing of tunable parameters. There currently is no way to request
different capabilities from the vnic server on the fly so this patch
achieves this by resetting the driver and attempting to log in with the
requested changes. If the reset operation fails, the old values of the
tunable parameters are stored in the "fallback" struct and we attempt to
login with the fallback values.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Subash Abhinov Kasiviswanathan says:
====================
net: qualcomm: rmnet: Add 64 bit stats and GRO
This series adds support for 64 bit per cpu stats and GRO
Patches 1-2 are cleanups of return code and a redundant condition
Patch 3 adds support for 64 bit per cpu stats
Patch 4 adds support for GRO using GRO cells
v1->v2: Since gro_cells_init() could potentially fail, move it from device
setup to ndo_init() as mentioned by Eric.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add gro_cells so that rmnet devices can call gro_cells_receive
instead of netif_receive_skb.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement 64 bit per cpu stats.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The rmnet device needs to assigned for all packets in the
deaggregation path based on the mux id, so the check is not needed.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since packet is always consumed by rmnet_rx_handler(), we always
return RX_HANDLER_CONSUMED. There is no need to pass on this
value through multiple functions.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Chan says:
====================
bnxt_en: Updates for net-next.
This series includes firmware interface update, some optimizations,
some new PCI IDs, new MTU checks, ethtool reset method, interrupt coalescing
code cleanup, and TC flower offload for vxlan encap/decap from Sathya
Perla.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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TC flower is not enabled on VFs and when there's no FW support.
Alloc the tc_info{} struct at init time only when TC flower is being
enabled.
Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch implements periodic querying of cfa flow stats
in batches to compute the 'lastused' attribute of TC flow stats.
Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add routines for issuing the hwrm_cfa_encap_record_alloc/free
and hwrm_cfa_decap_filter_alloc/free FW cmds needed for
supporting vxlan encap/decap offload.
Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds IPv4 vxlan encap/decap action support to TC-flower
offload.
For vxlan encap, the driver maintains a tunnel encap hash-table.
When a new flow with a tunnel encap action arrives, this table
is looked up; if an encap entry exists, it uses the already
programmed encap_record_handle as the tunnel_handle in the
hwrm_cfa_flow_alloc cmd. Else, a new encap node is added and the
L2 header fields are queried via a route lookup.
hwrm_cfa_encap_record_alloc cmd is used to create a new encap
record and the encap_record_handle is used as the tunnel_handle
while adding the flow.
For vxlan decap, the driver maintains a tunnel decap hash-table.
When a new flow with a tunnel decap action arrives, this table
is looked up; if a decap entry exists, it uses the already
programmed decap_filter_handle as the tunnel_handle in the
hwrm_cfa_flow_alloc cmd. Else, a new decap node is added and
a decap_filter_handle is alloc'd via the hwrm_cfa_decap_filter_alloc
cmd. This handle is used as the tunnel_handle while adding the flow.
The code to issue the HWRM FW cmds is introduced in a follow-up patch.
Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mapping of the ethtool coalescing parameters to hardware parameters
is now done in bnxt_hwrm_set_coal_params(). The same function can
handle both RX and TX settings. The code is now more clear. Some
adjustments have been made to get better hardware settings. The
coal_frames setting is now accurately set in hardware. The max_timer
is set to coal_ticks value.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current IRQ coalescing logic is a little messy. The ethtool
parameters are mapped to hardware parameters in a way that is difficult
to understand. The first step is to better organize the parameters
by adding the new structure bnxt_coal. The structure is used by both
the RX and TX sets of coalescing parameters.
Adjust the default coal_ticks to 14 us and 28 us for RX and TX.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a firmware internal reset after driver is unloaded.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some NICs have a firmware enforced maximum MTU setting by management
firmware. Set up netdev->max_mtu accordingly.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No need to call bnxt_approve_mac() which will send a message to the
PF if the MAC address hasn't changed.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code retrieves the firmware package version from firmware
everytime ethtool -i is run. There is no reason to do that as the
firmware will not change while the driver is loaded. Get the version
once at init time.
Also, display the full 4-part firmware version string and remove the
less useful interface spec version.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return -EINVAL if the length is zero and not proceed to do essentially
nothing.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Rob Miller <rmiller@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add new PCIe device ID and chip number for bcm58804
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vxlan encap/decap filters are added to this firmware spec.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vivien Didelot says:
====================
net: dsa: define port types
The DSA code currently has 3 bitmaps in the dsa_switch structure:
cpu_port_mask, dsa_port_mask and enabled_port_mask.
They are used to store the type of each switch port. This dates back
from when DSA didn't have a dsa_port structure to hold port-specific
data.
The dsa_switch structure is mainly used to communicate with DSA drivers
and must not contain such static data parsed from DTS or pdata, which
belongs the DSA core structures, such as dsa_switch_tree and dsa_port.
Also the enabled_port_mask is misleading, often misinterpreted as the
complement of disabled ports (thus including DSA and CPU ports), while
in fact it only masks the user ports.
A port can be of 3 types when it is not unused: "cpu" (interfacing with
a master device), "dsa" (interconnecting with another "dsa" port from
another switch chip), or "user" (user-facing port.)
This patchset first fixes the usage of DSA port type helpers, then
defines the DSA_PORT_TYPE_UNUSED, DSA_PORT_TYPE_CPU, DSA_PORT_TYPE_DSA,
and DSA_PORT_TYPE_USER port types, and finally removes the misleading
port bitmaps.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that DSA core provides port types, there is no need to keep this
information at the switch level. This is a static information that is
part of a DSA core dsa_port structure. Remove them.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that DSA exposes an enumerated type for the ports, we can use them
directly instead of checking bitmaps, which is more consistent.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce an enumerated type for ports, which will be way more explicit
to identify a port type instead of digging into switch port masks.
A port can be of type CPU, DSA, user, or unused by default. This is a
static parsed information that cannot be changed at runtime.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce a dsa_user_ports() helper to return the ds->enabled_port_mask
mask which is more explicit. This will also minimize diffs when touching
this internal mask.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Most of the DSA code still check ds->enabled_port_mask directly to
inspect a given port type instead of using the provided dsa_is_user_port
helper. Change this.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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