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2022-03-04nfp: xsk: add configuration check for XSK socket chunk sizeNiklas Söderlund1-4/+38
In preparation for adding AF_XDP support add a configuration check to make sure the buffer size can not be set to a larger value then the XSK socket chunk size. Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04nfp: xsk: add an array of xsk buffer pools to each data pathNiklas Söderlund2-2/+21
Each data path needs an array of xsk pools to track if an xsk socket is in use. Add this array and make sure it's handled correctly when the data path is duplicated. Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04nfp: wrap napi add/del logicJakub Kicinski1-16/+22
There will be more NAPI register logic once AF_XDP support is added, wrap our already conditional napi add/del into helpers. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04nfp: expose common functions to be used for AF_XDPNiklas Söderlund2-8/+22
There are some common functionality that can be reused in the upcoming AF_XDP support. Expose those functions in the header. While at it mark some arguments of nfp_net_rx_csum() as const. Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: sparx5: Implement get_ts_infoHoratiu Vultur1-0/+34
Implement the function get_ts_info in ethtool_ops which is needed to get the HW capabilities for timestamping. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: sparx5: Add support for ptp interruptsHoratiu Vultur3-0/+134
When doing 2-step timestamping the HW will generate an interrupt when it managed to timestamp a frame. It is the SW responsibility to read it from the FIFO. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: sparx5: Update extraction/injection for timestampingHoratiu Vultur5-1/+248
Update both the extraction and injection to do timestamping of the frames. The extraction is always doing the timestamping while for injection is doing the timestamping only if it is configured. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: sparx5: Implement SIOCSHWTSTAMP and SIOCGHWTSTAMPHoratiu Vultur3-0/+102
Implement the ioctl callbacks SIOCSHWTSTAMP and SIOCGHWTSTAMP to allow to configure the ports to enable/disable timestamping for TX. The RX timestamping is always enabled. The HW is capable to run both 1-step timestamping and 2-step timestamping. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: sparx5: Add support for ptp clocksHoratiu Vultur4-1/+356
The sparx5 has 3 PHC. Enable each of them, for now all the timestamping is happening on the first PHC. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: sparx5: Add registers that are used by ptp functionalityHoratiu Vultur2-2/+334
Add the registers that will be used to configure the PHC in the HW. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04dts: sparx5: Enable ptp interruptHoratiu Vultur1-2/+3
Add support for ptp interrupt. This interrupt is used when using 2-step timestamping. For each timestamp that is added in a queue, an interrupt is generated. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04dt-bindings: net: sparx5: Extend with the ptp interruptHoratiu Vultur1-0/+2
Extend dt-bindings for sparx5 with ptp interrupt. This is generated when doing 2-step timestamping and the timestamp can be read from the FIFO. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: sparx5: Move ifh from port to local variableHoratiu Vultur3-5/+8
Currently the ifh is not changed, it is fixed for each frame for each port that is sent out. Move this on the stack because this ifh needs to be change based on the frames that are send out. This is needed for PTP frames. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: phy: added ethtool master-slave configuration supportArun Ramadoss1-0/+90
To configure the T1 phy as master or slave using the ethtool -s <dev> master-slave <forced-master/forced-slave>, the config_aneg and read status functions are added. Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@microchip.com> Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: phy: added the LAN937x phy supportArun Ramadoss1-1/+54
LAN937x T1 switch is based on LAN87xx Phy, so reusing the init script of the LAN87xx. There is a workaround in accessing the DSP bank register for LAN937x Phy. Whenever there is a bank switch to DSP registers, then we need a one dummy read access before proceeding to the actual register access. Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@microchip.com> Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: phy: updated the initialization routine for LAN87xxArun Ramadoss1-42/+175
The new initialization sequence is the improvement to the existing init routine. Init routine does soft reset, run init script and set Hw_init. Added the new access_smi_poll_timeout() for polling smi bank write. Signed-off-by: Prasanna Vengateshan <prasanna.vengateshan@microchip.com> Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: phy: removed empty lines in LAN87XXArun Ramadoss1-4/+0
Removed the empty lines in struct phy_drivers. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: phy: used the PHY_ID_MATCH_MODEL macro for LAN87XXArun Ramadoss1-3/+4
Used the PHY_ID_MATCH_MODEL MACRO for describing the phy_id and phy_id_mask. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: phy: used genphy_soft_reset for phy reset in LAN87xxArun Ramadoss1-12/+2
Replaced the current code of resetting of LAN87xx phy to genphy_soft_reset library function. Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: phy: micrel: 1588 support for LAN8814 phyDivya Koppera1-22/+1066
Add support for 1588 in LAN8814 phy driver. It supports 1-step and 2-step timestamping. Co-developed-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Divya Koppera <Divya.Koppera@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04dt-bindings: net: micrel: Configure latency values and timestamping check for LAN8814 phyDivya Koppera1-0/+17
Supports configuring latency values and also adds check for phy timestamping feature. Signed-off-by: Divya Koppera<Divya.Koppera@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: phy: micrel: Fix concurrent register accessDivya Koppera1-14/+16
Make Extended page register accessing atomic, to overcome unexpected output from register reads/writes. Fixes: 7c2dcfa295b1 ("net: phy: micrel: Add support for LAN8804 PHY") Signed-off-by: Divya Koppera<Divya.Koppera@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dev: use kfree_skb_reason() for __netif_receive_skb_core()Menglong Dong3-3/+11
Add reason for skb drops to __netif_receive_skb_core() when packet_type not found to handle the skb. For this purpose, the drop reason SKB_DROP_REASON_PTYPE_ABSENT is introduced. Take ether packets for example, this case mainly happens when L3 protocol is not supported. Signed-off-by: Menglong Dong <imagedong@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dev: use kfree_skb_reason() for sch_handle_ingress()Menglong Dong3-1/+3
Replace kfree_skb() used in sch_handle_ingress() with kfree_skb_reason(). Following drop reasons are introduced: SKB_DROP_REASON_TC_INGRESS Signed-off-by: Menglong Dong <imagedong@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dev: use kfree_skb_reason() for do_xdp_generic()Menglong Dong3-1/+3
Replace kfree_skb() used in do_xdp_generic() with kfree_skb_reason(). The drop reason SKB_DROP_REASON_XDP is introduced for this case. Signed-off-by: Menglong Dong <imagedong@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dev: use kfree_skb_reason() for enqueue_to_backlog()Menglong Dong3-1/+11
Replace kfree_skb() used in enqueue_to_backlog() with kfree_skb_reason(). The skb rop reason SKB_DROP_REASON_CPU_BACKLOG is introduced for the case of failing to enqueue the skb to the per CPU backlog queue. The further reason can be backlog queue full or RPS flow limition, and I think we needn't to make further distinctions. Signed-off-by: Menglong Dong <imagedong@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dev: add skb drop reasons to __dev_xmit_skb()Menglong Dong3-2/+8
Add reasons for skb drops to __dev_xmit_skb() by replacing kfree_skb_list() with kfree_skb_list_reason(). The drop reason of SKB_DROP_REASON_QDISC_DROP is introduced for qdisc enqueue fails. Signed-off-by: Menglong Dong <imagedong@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: skb: introduce the function kfree_skb_list_reason()Menglong Dong2-4/+11
To report reasons of skb drops, introduce the function kfree_skb_list_reason() and make kfree_skb_list() an inline call to it. This function will be used in the next commit in __dev_xmit_skb(). Signed-off-by: Menglong Dong <imagedong@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dev: use kfree_skb_reason() for sch_handle_egress()Menglong Dong3-1/+3
Replace kfree_skb() used in sch_handle_egress() with kfree_skb_reason(). The drop reason SKB_DROP_REASON_TC_EGRESS is introduced. Considering the code path of tc egerss, we make it distinct with the drop reason of SKB_DROP_REASON_QDISC_DROP in the next commit. Signed-off-by: Menglong Dong <imagedong@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dev: Use netif_rx().Sebastian Andrzej Siewior1-3/+3
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: bridge: Use netif_rx().Sebastian Andrzej Siewior1-2/+2
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Cc: Roopa Prabhu <roopa@nvidia.com> Cc: Nikolay Aleksandrov <razor@blackwall.org> Cc: bridge@lists.linux-foundation.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: macvlan: Use netif_rx().Sebastian Andrzej Siewior1-1/+1
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: ethernet: Use netif_rx().Sebastian Andrzej Siewior9-9/+9
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Cc: Łukasz Stelmach <l.stelmach@samsung.com> Cc: Horatiu Vultur <horatiu.vultur@microchip.com> Cc: UNGLinuxDriver@microchip.com Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dsa: Use netif_rx().Sebastian Andrzej Siewior3-3/+3
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Cc: Kurt Kanzenbach <kurt@linutronix.de> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Vivien Didelot <vivien.didelot@gmail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Kurt Kanzenbach <kurt@linutronix.de> # hellcreek Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: caif: Use netif_rx().Sebastian Andrzej Siewior2-2/+2
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: sgi-xp: Use netif_rx().Sebastian Andrzej Siewior1-1/+1
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Cc: Robin Holt <robinmholt@gmail.com> Cc: Steve Wahl <steve.wahl@hpe.com> Cc: Mike Travis <mike.travis@hpe.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: xtensa: Use netif_rx().Sebastian Andrzej Siewior1-1/+1
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: linux-xtensa@linux-xtensa.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04docs: networking: Use netif_rx().Sebastian Andrzej Siewior1-1/+1
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dsa: felix: remove redundant assignment in felix_8021q_cpu_port_deinitVladimir Oltean1-1/+0
Due to an apparently incorrect conflict resolution on my part in commit 54c319846086 ("net: mscc: ocelot: enforce FDB isolation when VLAN-unaware"), "ocelot->ports[port]->is_dsa_8021q_cpu = false" was supposed to be replaced by "ocelot_port_unset_dsa_8021q_cpu(ocelot, port)" which does the same thing, and more. But now we have both, so the direct assignment is redundant. Remove it. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dsa: felix: print error message in felix_check_xtr_pkt()Vladimir Oltean1-1/+5
Packet extraction failures over register-based MMIO are silent, and difficult to pinpoint. Add an error message to remedy this. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dsa: felix: initialize "err" to 0 in felix_check_xtr_pkt()Vladimir Oltean1-1/+1
Automated tools complain that felix_check_xtr_pkt() has logic to drain the CPU queue on the reception of a PTP packet over Ethernet, yet it returns an uninitialized error code in the case where the CPU queue was empty. This is not likely to happen (/possible if hardware works correctly), but it isn't a fatal condition either. The PTP packet will be dequeued from the CPU queue when the next PTP packet arrives. So initialize "err" to 0 for the case where nothing was dequeued during this iteration. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dsa: felix: drop the ptp_type argument from felix_check_xtr_pkt()Vladimir Oltean1-5/+2
The DSA ->port_rxtstamp() function is never called for PTP_CLASS_NONE: dsa_skb_defer_rx_timestamp: if (type == PTP_CLASS_NONE) return false; if (likely(ds->ops->port_rxtstamp)) return ds->ops->port_rxtstamp(ds, p->dp->index, skb, type); So practically, the argument is unused, so remove it. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: dsa: felix: remove ocelot->npi assignment from felix_8021q_cpu_port_initVladimir Oltean1-1/+0
This assignment is redundant, since ocelot->npi has already been set to -1 by felix_npi_port_deinit(). Call path: felix_change_tag_protocol -> felix_del_tag_protocol(DSA_TAG_PROTO_OCELOT) -> felix_teardown_tag_npi -> felix_npi_port_deinit -> felix_set_tag_protocol(DSA_TAG_PROTO_OCELOT_8021Q) -> felix_setup_tag_8021q -> felix_8021q_cpu_port_init Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: mscc: ocelot: use pretty names for IPPROTO_UDP and IPPROTO_TCPVladimir Oltean1-2/+2
Hardcoding these IP protocol numbers in is2_entry_set() obscures the purpose of the code, so replace the magic numbers with the definitions from linux/in.h. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-04net: mscc: ocelot: use list_for_each_entry in ocelot_vcap_block_remove_filterVladimir Oltean1-5/+3
Simplify ocelot_vcap_block_remove_filter by using list_for_each_entry instead of list_for_each. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-03net/smc: fix document build WARNING from smc-sysctl.rstDust Li2-3/+4
Stephen reported the following warning messages from smc-sysctl.rst Documentation/networking/smc-sysctl.rst:3: WARNING: Title overline too short. Documentation/networking/smc-sysctl.rst: WARNING: document isn't included in any toctree Fix the title overline and add smc-sysctl entry into Documentation/networking/index.rst Fixes: 12bbb0d163a9 ("net/smc: add sysctl for autocorking") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Dust Li <dust.li@linux.alibaba.com> Link: https://lore.kernel.org/r/20220303113527.62047-1-dust.li@linux.alibaba.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-03net: marvell: Use min() instead of doing it manuallyHaowen Bai1-1/+1
Fix following coccicheck warning: drivers/net/ethernet/marvell/mv643xx_eth.c:1664:35-36: WARNING opportunity for min() Signed-off-by: Haowen Bai <baihaowen88@gmail.com> Link: https://lore.kernel.org/r/1646271529-7659-1-git-send-email-baihaowen88@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-03ice: convert VF storage to hash table with krefs and RCUJacob Keller8-125/+363
The ice driver stores VF structures in a simple array which is allocated once at the time of VF creation. The VF structures are then accessed from the array by their VF ID. The ID must be between 0 and the number of allocated VFs. Multiple threads can access this table: * .ndo operations such as .ndo_get_vf_cfg or .ndo_set_vf_trust * interrupts, such as due to messages from the VF using the virtchnl communication * processing such as device reset * commands to add or remove VFs The current implementation does not keep track of when all threads are done operating on a VF and can potentially result in use-after-free issues caused by one thread accessing a VF structure after it has been released when removing VFs. Some of these are prevented with various state flags and checks. In addition, this structure is quite static and does not support a planned future where virtualization can be more dynamic. As we begin to look at supporting Scalable IOV with the ice driver (as opposed to just supporting Single Root IOV), this structure is not sufficient. In the future, VFs will be able to be added and removed individually and dynamically. To allow for this, and to better protect against a whole class of use-after-free bugs, replace the VF storage with a combination of a hash table and krefs to reference track all of the accesses to VFs through the hash table. A hash table still allows efficient look up of the VF given its ID, but also allows adding and removing VFs. It does not require contiguous VF IDs. The use of krefs allows the cleanup of the VF memory to be delayed until after all threads have released their reference (by calling ice_put_vf). To prevent corruption of the hash table, a combination of RCU and the mutex table_lock are used. Addition and removal from the hash table use the RCU-aware hash macros. This allows simple read-only look ups that iterate to locate a single VF can be fast using RCU. Accesses which modify the hash table, or which can't take RCU because they sleep, will hold the mutex lock. By using this design, we have a stronger guarantee that the VF structure can't be released until after all threads are finished operating on it. We also pave the way for the more dynamic Scalable IOV implementation in the future. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-03-03ice: introduce VF accessor functionsJacob Keller5-53/+115
Before we switch the VF data structure storage mechanism to a hash, introduce new accessor functions to define the new interface. * ice_get_vf_by_id is a function used to obtain a reference to a VF from the table based on its VF ID * ice_has_vfs is used to quickly check if any VFs are configured * ice_get_num_vfs is used to get an exact count of how many VFs are configured We can drop the old ice_validate_vf_id function, since every caller was just going to immediately access the VF table to get a reference anyways. This way we simply use the single ice_get_vf_by_id to both validate the VF ID is within range and that there exists a VF with that ID. This change enables us to more easily convert the codebase to the hash table since most callers now properly use the interface. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-03-03ice: factor VF variables to separate structureJacob Keller7-68/+83
We maintain a number of values for VFs within the ice_pf structure. This includes the VF table, the number of allocated VFs, the maximum number of supported SR-IOV VFs, the number of queue pairs per VF, the number of MSI-X vectors per VF, and a bitmap of the VFs with detected MDD events. We're about to add a few more variables to this list. Clean this up first by extracting these members out into a new ice_vfs structure defined in ice_virtchnl_pf.h Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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