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path: root/drivers/net/ethernet/mediatek/mtk_ppe.h
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* net: ethernet: mtk_ppe: Change PPE entries number to 16KShengyu Qu2024-07-051-1/+1
| | | | | | | | | | | | MT7981,7986 and 7988 all supports 32768 PPE entries, and MT7621/MT7620 supports 16384 PPE entries, but only set to 8192 entries in driver. So incrase max entries to 16384 instead. Signed-off-by: Elad Yifee <eladwf@gmail.com> Signed-off-by: Shengyu Qu <wiagn233@outlook.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/TY3P286MB261103F937DE4EEB0F88437D98DE2@TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: ethernet: mtk_wed: introduce partial AMSDU offload support for MT7988Sujuan Chen2023-09-191-9/+10
| | | | | | | | | | | Introduce partial AMSDU offload support for MT7988 SoC in order to merge in hw packets belonging to the same AMSDU before passing them to the WLAN nic. Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* net: ethernet: mtk_eth_soc: enable nft hw flowtable_offload for MT7988 SoCLorenzo Bianconi2023-07-281-1/+18
| | | | | | | | | Enable hw Packet Process Engine (PPE) for MT7988 SoC. Tested-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/5e86341b0220a49620dadc02d77970de5ded9efc.1690441576.git.lorenzo@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: ethernet: mtk_ppe: add MTK_FOE_ENTRY_V{1,2}_SIZE macrosLorenzo Bianconi2023-07-211-0/+3
| | | | | | | | | Introduce MTK_FOE_ENTRY_V{1,2}_SIZE macros in order to make more explicit foe_entry size for different chipset revisions. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: mtk_eth_soc: mediatek: fix ppe flow accounting for v1 hardwareFelix Fietkau2023-04-231-1/+2
| | | | | | | | | | Older chips (like MT7622) use a different bit in ib2 to enable hardware counter support. Add macros for both and select the appropriate bit. Fixes: 3fbe4d8c0e53 ("net: ethernet: mtk_eth_soc: ppe: add support for flow accounting") Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ethernet: mtk_eth_soc: ppe: add support for flow accountingDaniel Golle2023-03-201-2/+23
| | | | | | | | | | | The PPE units found in MT7622 and newer support packet and byte accounting of hw-offloaded flows. Add support for reading those counters as found in MediaTek's SDK[1]. [1]: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/bc6a6a375c800dc2b80e1a325a2c732d1737df92 Tested-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2023-02-021-1/+0
|\ | | | | | | | | | | | | | | | | net/core/gro.c 7d2c89b32587 ("skb: Do mix page pool and page referenced frags in GRO") b1a78b9b9886 ("net: add support for ipv4 big tcp") https://lore.kernel.org/all/20230203094454.5766f160@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| * net: ethernet: mtk_eth_soc: Avoid truncating allocationKees Cook2023-01-311-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There doesn't appear to be a reason to truncate the allocation used for flow_info, so do a full allocation and remove the unused empty struct. GCC does not like having a reference to an object that has been partially allocated, as bounds checking may become impossible when such an object is passed to other code. Seen with GCC 13: ../drivers/net/ethernet/mediatek/mtk_ppe.c: In function 'mtk_foe_entry_commit_subflow': ../drivers/net/ethernet/mediatek/mtk_ppe.c:623:18: warning: array subscript 'struct mtk_flow_entry[0]' is partly outside array bounds of 'unsigned char[48]' [-Warray-bounds=] 623 | flow_info->l2_data.base_flow = entry; | ^~ Cc: Felix Fietkau <nbd@nbd.name> Cc: John Crispin <john@phrozen.org> Cc: Sean Wang <sean.wang@mediatek.com> Cc: Mark Lee <Mark-MC.Lee@mediatek.com> Cc: Lorenzo Bianconi <lorenzo@kernel.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mediatek@lists.infradead.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20230127223853.never.014-kees@kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* | net: ethernet: mtk_eth_soc: align reset procedure to vendor sdkLorenzo Bianconi2023-01-171-0/+1
|/ | | | | | | | | | | | Avoid to power-down the ethernet chip during hw reset and align reset procedure to vendor sdk. Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Tested-by: Daniel Golle <daniel@makrotopia.org> Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2022-11-291-0/+1
|\ | | | | | | | | | | | | | | | | tools/lib/bpf/ringbuf.c 927cbb478adf ("libbpf: Handle size overflow for ringbuf mmap") b486d19a0ab0 ("libbpf: checkpatch: Fixed code alignments in ringbuf.c") https://lore.kernel.org/all/20221121122707.44d1446a@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| * net: ethernet: mtk_eth_soc: fix memory leak in error pathYan Cangang2022-11-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | In mtk_ppe_init(), when dmam_alloc_coherent() or devm_kzalloc() failed, the rhashtable ppe->l2_flows isn't destroyed. Fix it. In mtk_probe(), when mtk_ppe_init() or mtk_eth_offload_init() or register_netdev() failed, have the same problem. Fix it. Fixes: 33fc42de3327 ("net: ethernet: mtk_eth_soc: support creating mac address based offload entries") Signed-off-by: Yan Cangang <nalanzeyu@gmail.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* | net: ethernet: mediatek: ppe: assign per-port queues for offloaded trafficFelix Fietkau2022-11-181-0/+4
|/ | | | | | | | Keeps traffic sent to the switch within link speed limits Signed-off-by: Felix Fietkau <nbd@nbd.name> Link: https://lore.kernel.org/r/20221116080734.44013-7-nbd@nbd.name Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: ethernet: mtk_eth_soc: introduce flow offloading support for mt7986Lorenzo Bianconi2022-09-221-11/+41
| | | | | | | | | | | | | Introduce hw flow offload support for mt7986 chipset. PPE is not enabled yet in mt7986 since mt76 support is not available yet. Tested-by: Daniel Golle <daniel@makrotopia.org> Co-developed-by: Bo Jiao <Bo.Jiao@mediatek.com> Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com> Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* net: ethernet: mtk_eth_soc: add foe_entry_size to mtk_eth_socLorenzo Bianconi2022-09-221-1/+1
| | | | | | | | | Introduce foe_entry_size to mtk_eth_soc data structure since mt7986 relies on a bigger mtk_foe_entry data structure. Tested-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* net: ethernet: mtk_eth_soc: add the capability to run multiple ppeLorenzo Bianconi2022-09-221-3/+6
| | | | | | | | | | | | | mt7986 chipset support multiple packet engines for wlan <-> eth packet forwarding. Tested-by: Daniel Golle <daniel@makrotopia.org> Co-developed-by: Bo Jiao <Bo.Jiao@mediatek.com> Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com> Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* net: ethernet: mtk_eth_soc: move ppe table hash offset to mtk_soc_data structureLorenzo Bianconi2022-09-221-1/+1
| | | | | | | | | | | | This is a preliminary patch to introduce mt7986 hw packet engine. Tested-by: Daniel Golle <daniel@makrotopia.org> Co-developed-by: Bo Jiao <Bo.Jiao@mediatek.com> Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com> Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* net: ethernet: mtk_eth_soc: move gdma_to_ppe and ppe_base definitions in mtk ↵Lorenzo Bianconi2022-09-221-2/+0
| | | | | | | | | | register map This is a preliminary patch to introduce mt7986 hw packet engine. Tested-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netPaolo Abeni2022-09-081-0/+3
|\ | | | | | | | | | | | | | | drivers/net/ethernet/freescale/fec.h 7d650df99d52 ("net: fec: add pm_qos support on imx6q platform") 40c79ce13b03 ("net: fec: add stop mode support for imx8 platform") Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| * net: ethernet: mtk_eth_soc: check max allowed hash in mtk_ppe_check_skbLorenzo Bianconi2022-09-071-0/+3
| | | | | | | | | | | | | | | | | | | | Even if max hash configured in hw in mtk_ppe_hash_entry is MTK_PPE_ENTRIES - 1, check theoretical OOB accesses in mtk_ppe_check_skb routine Fixes: c4f033d9e03e9 ("net: ethernet: mtk_eth_soc: rework hardware flow table management") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: ethernet: mtk_eth_soc: remove mtk_foe_entry_timestampLorenzo Bianconi2022-09-071-11/+0
|/ | | | | | | Get rid of mtk_foe_entry_timestamp routine since it is no longer used. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ethernet: mtk_eth_soc: support creating mac address based offload entriesFelix Fietkau2022-04-061-12/+32
| | | | | | | | | | | | | | | | | | | This will be used to implement a limited form of bridge offloading. Since the hardware does not support flow table entries with just source and destination MAC address, the driver has to emulate it. The hardware automatically creates entries entries for incoming flows, even when they are bridged instead of routed, and reports when packets for these flows have reached the minimum PPS rate for offloading. After this happens, we look up the L2 flow offload entry based on the MAC header and fill in the output routing information in the flow table. The dynamically created per-flow entries are automatically removed when either the hardware flowtable entry expires, is replaced, or if the offload rule they belong to is removed Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ethernet: mtk_eth_soc: rework hardware flow table managementFelix Fietkau2022-04-061-6/+32
| | | | | | | | | | | | | | | | | | | | | | The hardware was designed to handle flow detection and creation of flow entries by itself, relying on the software primarily for filling in egress routing information. When there is a hash collision between multiple flows, this allows the hardware to maintain the entry for the most active flow. Additionally, the hardware only keeps offloading active for entries with at least 30 packets per second. With this rework, the code no longer creates a hardware entries directly. Instead, the hardware entry is only created when the PPE reports a matching unbound flow with the minimum target rate. In order to reduce CPU overhead, looking for flows belonging to a hash entry is rate limited to once every 100ms. This rework is also used as preparation for emulating bridge offload by managing L4 offload entries on demand. Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ethernet: mtk_eth_soc: allocate struct mtk_ppe separatelyFelix Fietkau2022-04-061-2/+1
| | | | | | | Preparation for adding more data to it, which will increase its size. Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ethernet: mtk_eth_soc: implement flow offloading to WED devicesFelix Fietkau2022-04-061-6/+8
| | | | | | | | | This allows hardware flow offloading from Ethernet to WLAN on MT7622 SoC Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ethernet: mediatek: ppe: fix busy wait loopIlya Lipnitskiy2021-04-161-0/+1
| | | | | | | | | | | | | | | The intention is for the loop to timeout if the body does not succeed. The current logic calls time_is_before_jiffies(timeout) which is false until after the timeout, so the loop body never executes. Fix by using readl_poll_timeout as a more standard and less error-prone solution. Fixes: ba37b7caf1ed ("net: ethernet: mtk_eth_soc: add support for initializing the PPE") Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Cc: Felix Fietkau <nbd@nbd.name> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ethernet: mtk_eth_soc: add support for initializing the PPEFelix Fietkau2021-03-241-0/+287
The PPE (packet processing engine) is used to offload NAT/routed or even bridged flows. This patch brings up the PPE and uses it to get a packet hash. It also contains some functionality that will be used to bring up flow offloading. Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-08 21:10:30 +0000