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path: root/drivers/net/ethernet/renesas
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* ethernet: renesas: use eth_hw_addr_set()Jakub Kicinski2021-10-192-14/+18
| | | | | | | | | | | | | Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. To maintain netdev->dev_addr in this tree we need to make all the writes to it got through appropriate helpers. Break the address up into an array on the stack, then call eth_hw_addr_set(). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Fix typo AVB->DMACBiju Das2021-10-131-1/+1
| | | | | | | | | | Fix the typo AVB->DMAC in comment, as the code following the comment is for DMAC on Gigabit Ethernet IP. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Update ravb_emac_init_gbeth()Biju Das2021-10-132-2/+9
| | | | | | | | | | | | | This patch enables Receive/Transmit port of TOE and removes the setting of promiscuous bit from EMAC configuration mode register. This patch also update EMAC configuration mode comment from "PAUSE prohibition" to "EMAC Mode: PAUSE prohibition; Duplex; TX; RX; CRC Pass Through". Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Document PFRI register bitBiju Das2021-10-131-1/+1
| | | | | | | | | | Document PFRI register bit, as it is documented on R-Car Gen3 and RZ/G2L hardware manuals. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Rename "nc_queue" feature bitBiju Das2021-10-132-19/+19
| | | | | | | | | | | | Rename the feature bit "nc_queue" with "nc_queues" as AVB DMAC has RX and TX NC queues. There is no functional change. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Optimize ravb_emac_init_gbeth functionBiju Das2021-10-131-2/+1
| | | | | | | | | | Optimize CXR31 register initialization on ravb_emac_init_gbeth function. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Rename "tsrq" variableBiju Das2021-10-132-5/+5
| | | | | | | | | | | | Rename the variable "tsrq" with "tccr_mask" as we are passing TCCR mask to the ravb_wait() function. There is no functional change. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Add support to retrieve stats for GbEthernetBiju Das2021-10-131-0/+21
| | | | | | | | | Add support for retrieving stats information for GbEthernet. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Add carrier_counters to struct ravb_hw_infoBiju Das2021-10-132-0/+11
| | | | | | | | | | RZ/G2L E-MAC supports carrier counters. Add a carrier_counter hw feature bit to struct ravb_hw_info to add this feature only for RZ/G2L. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Fillup ravb_rx_gbeth() stubBiju Das2021-10-132-5/+142
| | | | | | | | | | | | Fillup ravb_rx_gbeth() function to support RZ/G2L. This patch also renames ravb_rcar_rx to ravb_rx_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Fillup ravb_rx_ring_format_gbeth() stubBiju Das2021-10-132-4/+31
| | | | | | | | | | | | Fillup ravb_rx_ring_format_gbeth() function to support RZ/G2L. This patch also renames ravb_rx_ring_format to ravb_rx_ring_format_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Fillup ravb_rx_ring_free_gbeth() stubBiju Das2021-10-131-4/+24
| | | | | | | | | | | | Fillup ravb_rx_ring_free_gbeth() function to support RZ/G2L. This patch also renames ravb_rx_ring_free to ravb_rx_ring_free_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Fillup ravb_alloc_rx_desc_gbeth() stubBiju Das2021-10-132-7/+24
| | | | | | | | | | | | Fillup ravb_alloc_rx_desc_gbeth() function to support RZ/G2L. This patch also renames ravb_alloc_rx_desc to ravb_alloc_rx_desc_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Add rx_max_buf_size to struct ravb_hw_infoBiju Das2021-10-132-1/+5
| | | | | | | | | | | | | | R-Car AVB-DMAC has maximum 2K size on RX buffer, whereas on RZ/G2L it is 8K. We need to allow for changing the MTU within the limit of the maximum size of a descriptor. Add a rx_max_buf_size variable to struct ravb_hw_info to handle this difference. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ravb: Use ALIGN macro for max_rx_lenBiju Das2021-10-131-1/+1
| | | | | | | | | Use ALIGN macro for calculating the value for max_rx_len. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ethernet: use of_get_ethdev_address()Jakub Kicinski2021-10-071-1/+1
| | | | | | | | | | | | | | Use the new of_get_ethdev_address() helper for the cases where dev->dev_addr is passed in directly as the destination. @@ expression dev, np; @@ - of_get_mac_address(np, dev->dev_addr) + of_get_ethdev_address(np, dev) Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethernet: use eth_hw_addr_set()Jakub Kicinski2021-10-021-1/+1
| | | | | | | | | | | | | | Convert all Ethernet drivers from memcpy(... ETH_ADDR) to eth_hw_addr_set(): @@ expression dev, np; @@ - memcpy(dev->dev_addr, np, ETH_ALEN) + eth_hw_addr_set(dev, np) Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Initialize GbEthernet E-MACBiju Das2021-10-022-13/+62
| | | | | | | | | | | Initialize GbEthernet E-MAC found on RZ/G2L SoC. This patch also renames ravb_set_rate to ravb_set_rate_rcar and ravb_rcar_emac_init to ravb_emac_init_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add half_duplex to struct ravb_hw_infoBiju Das2021-10-022-8/+31
| | | | | | | | | | RZ/G2L supports half duplex mode. Add a half_duplex hw feature bit to struct ravb_hw_info for supporting half duplex mode for RZ/G2L. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add magic_pkt to struct ravb_hw_infoBiju Das2021-10-022-1/+5
| | | | | | | | | | E-MAC on R-Car supports magic packet detection, whereas RZ/G2L does not support this feature. Add magic_pkt to struct ravb_hw_info and enable this feature only for R-Car. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add tsrq to struct ravb_hw_infoBiju Das2021-10-022-2/+8
| | | | | | | | | | | | R-Car AVB-DMAC has 4 Transmit start request queues, whereas RZ/G2L has only 1 Transmit start request queue. Add a tsrq variable to struct ravb_hw_info to handle this difference. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Exclude gPTP feature support for RZ/G2LBiju Das2021-10-021-36/+49
| | | | | | | | | R-Car supports gPTP feature whereas RZ/G2L does not support it. This patch excludes gtp feature support for RZ/G2L. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Initialize GbEthernet DMACBiju Das2021-10-022-2/+31
| | | | | | | | Initialize GbEthernet DMAC found on RZ/G2L SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add support for RZ/G2L SoCBiju Das2021-10-022-0/+64
| | | | | | | | | | | | | | RZ/G2L SoC has Gigabit Ethernet IP consisting of Ethernet controller (E-MAC), Internal TCP/IP Offload Engine (TOE) and Dedicated Direct memory access controller (DMAC). This patch adds compatible string for RZ/G2L and fills up the ravb_hw_info struct. Function stubs are added which will be used by gbeth_hw_info and will be filled incrementally. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add nc_queue to struct ravb_hw_infoBiju Das2021-10-022-49/+94
| | | | | | | | | | | | | R-Car supports network control queue whereas RZ/G2L does not support it. Add nc_queue to struct ravb_hw_info, so that NC queue is handled only by R-Car. This patch also renames ravb_rcar_dmac_init to ravb_dmac_init_rcar to be consistent with the naming convention used in sh_eth driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Rename "no_ptp_cfg_active" and "ptp_cfg_active" variablesBiju Das2021-10-022-15/+15
| | | | | | | | | | | | Rename the variable "no_ptp_cfg_active" with "gptp" and "ptp_cfg_active" with "ccc_gac" to match the HW features. There is no functional change. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Rename "ravb_set_features_rx_csum" function to "ravb_set_features_rcar"Biju Das2021-10-022-6/+6
| | | | | | | | | | Rename "ravb_set_features_rx_csum" function to "ravb_set_features_rcar" and replace the function pointer "set_rx_csum_feature" with "set_feature". Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: renesas: sh_eth: Fix freeing wrong tx descriptorYoshihiro Shimoda2021-09-071-0/+1
| | | | | | | | | | | | | | The cur_tx counter must be incremented after TACT bit of txdesc->status was set. However, a CPU is possible to reorder instructions and/or memory accesses between cur_tx and txdesc->status. And then, if TX interrupt happened at such a timing, the sh_eth_tx_free() may free the descriptor wrongly. So, add wmb() before cur_tx++. Otherwise NETDEV WATCHDOG timeout is possible to happen. Fixes: 86a74ff21a7a ("net: sh_eth: add support for Renesas SuperH Ethernet") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add reset supportBiju Das2021-08-252-0/+12
| | | | | | | | | Reset support is present on R-Car. Let's support it, if it is available. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Factorise ravb_emac_init functionBiju Das2021-08-252-2/+13
| | | | | | | | | | | | The E-MAC IP on the R-Car AVB module has different initialization parameters for RX frame size, duplex settings, different offset for transfer speed setting and has magic packet detection support compared to E-MAC on RZ/G2L Gigabit Ethernet module. Factorise the ravb_emac_init function to support the later SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Factorise ravb_dmac_init functionBiju Das2021-08-252-21/+32
| | | | | | | | | | | The DMAC IP on the R-Car AVB module has different initialization parameters for RCR, TGC, TCCR, RIC0, RIC2, and TIC compared to DMAC IP on the RZ/G2L Gigabit Ethernet module. Factorise the ravb_dmac_init function to support the later SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Factorise ravb_set_featuresBiju Das2021-08-252-2/+14
| | | | | | | | | RZ/G2L supports HW checksum on RX and TX whereas R-Car supports on RX. Factorise ravb_set_features to support this feature. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Factorise ravb_adjust_link functionBiju Das2021-08-252-1/+5
| | | | | | | | | | R-Car supports 100 and 1000 Mbps transfer speed whereas RZ/G2L in addition support 10Mbps. Factorise ravb_adjust_link function in order to support 10Mbps speed. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Factorise ravb_rx functionBiju Das2021-08-252-2/+13
| | | | | | | | | | R-Car uses an extended descriptor in RX whereas, RZ/G2L uses normal descriptor in RX. Factorise the ravb_rx function to support the later SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Factorise ravb_ring_init functionBiju Das2021-08-252-5/+17
| | | | | | | | | | The ravb_ring_init function uses an extended descriptor in RX for R-Car and normal descriptor for RZ/G2L. Add a helper function for RX ring buffer allocation to support later SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Factorise ravb_ring_format functionBiju Das2021-08-252-12/+24
| | | | | | | | | | The ravb_ring_format function uses an extended descriptor in RX for R-Car compared to the normal descriptor for RZ/G2L. Factorise RX ring buffer buildup to extend the support for later SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Factorise ravb_ring_free functionBiju Das2021-08-252-17/+31
| | | | | | | | | | R-Car uses extended descriptor in RX, whereas RZ/G2L uses normal descriptor. Factorise ravb_ring_free function so that it can support later SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add ptp_cfg_active to struct ravb_hw_infoBiju Das2021-08-252-14/+6
| | | | | | | | | | | | | | | | | | There are some H/W differences for the gPTP feature between R-Car Gen3, R-Car Gen2, and RZ/G2L as below. 1) On R-Car Gen3, gPTP support is active in config mode. 2) On R-Car Gen2, gPTP support is not active in config mode. 3) RZ/G2L does not support the gPTP feature. Add a ptp_cfg_active hw feature bit to struct ravb_hw_info for supporting gPTP active in config mode for R-Car Gen3. This patch also removes enum ravb_chip_id, chip_id from both struct ravb_hw_info and struct ravb_private, as it is unused. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add no_ptp_cfg_active to struct ravb_hw_infoBiju Das2021-08-252-8/+13
| | | | | | | | | | | | | | | | There are some H/W differences for the gPTP feature between R-Car Gen3, R-Car Gen2, and RZ/G2L as below. 1) On R-Car Gen2, gPTP support is not active in config mode. 2) On R-Car Gen3, gPTP support is active in config mode. 3) RZ/G2L does not support the gPTP feature. Add a no_ptp_cfg_active hw feature bit to struct ravb_hw_info for handling gPTP for R-Car Gen2. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add multi_irq to struct ravb_hw_infoBiju Das2021-08-253-11/+20
| | | | | | | | | | | | R-Car Gen3 supports separate interrupts for E-MAC and DMA queues, whereas R-Car Gen2 and RZ/G2L have a single interrupt instead. Add a multi_irq hw feature bit to struct ravb_hw_info to enable this only for R-Car Gen3. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Remove the macros NUM_TX_DESC_GEN[23]Biju Das2021-08-252-6/+6
| | | | | | | | | | | | | For addressing 4 bytes alignment restriction on transmission buffer for R-Car Gen2 we use 2 descriptors whereas it is a single descriptor for other cases. Replace the macros NUM_TX_DESC_GEN[23] with magic number and add a comment to explain it. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add tx_counters to struct ravb_hw_infoBiju Das2021-08-192-1/+4
| | | | | | | | | | | | | The register for retrieving TX counters is present only on R-Car Gen3 and RZ/G2L; it is not present on R-Car Gen2. Add the tx_counters hw feature bit to struct ravb_hw_info, to enable this feature specifically for R-Car Gen3 now and later extend it to RZ/G2L. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add internal delay hw feature to struct ravb_hw_infoBiju Das2021-08-192-2/+7
| | | | | | | | | | | | | R-Car Gen3 supports TX and RX clock internal delay modes, whereas R-Car Gen2 and RZ/G2L do not support it. Add an internal_delay hw feature bit to struct ravb_hw_info to enable this only for R-Car Gen3. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add net_features and net_hw_features to struct ravb_hw_infoBiju Das2021-08-192-4/+10
| | | | | | | | | | | | | | | | | | On R-Car the checksum calculation on RX frames is done by the E-MAC module, whereas on RZ/G2L it is done by the TOE. TOE calculates the checksum of received frames from E-MAC and outputs it to DMAC. TOE also calculates the checksum of transmission frames from DMAC and outputs it E-MAC. Add net_features and net_hw_features to struct ravb_hw_info, to support subsequent SoCs without any code changes in the ravb_probe function. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add gstrings_stats and gstrings_size to struct ravb_hw_infoBiju Das2021-08-192-1/+10
| | | | | | | | | | | | | | | | | | The device stats strings for R-Car and RZ/G2L are different. R-Car provides 30 device stats, whereas RZ/G2L provides only 15. In addition, RZ/G2L has stats "rx_queue_0_csum_offload_errors" instead of "rx_queue_0_missed_errors". Add structure variables gstrings_stats and gstrings_size to struct ravb_hw_info, so that subsequent SoCs can be added without any code changes in the ravb_get_strings function. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add stats_len to struct ravb_hw_infoBiju Das2021-08-192-3/+7
| | | | | | | | | | | | | | | R-Car provides 30 device stats, whereas RZ/G2L provides only 15. In addition, RZ/G2L has stats "rx_queue_0_csum_offload_errors" instead of "rx_queue_0_missed_errors". Replace RAVB_STATS_LEN macro with a structure variable stats_len to struct ravb_hw_info, to support subsequent SoCs without any code changes to the ravb_get_sset_count function. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add max_rx_len to struct ravb_hw_infoBiju Das2021-08-192-4/+7
| | | | | | | | | | | | | | The maximum descriptor size that can be specified on the reception side for R-Car is 2048 bytes, whereas for RZ/G2L it is 8096. Add the max_rx_len variable to struct ravb_hw_info for allocating different RX skb buffer sizes for R-Car and RZ/G2L using the netdev_alloc_skb function. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add aligned_tx to struct ravb_hw_infoBiju Das2021-08-192-1/+3
| | | | | | | | | | | | R-Car Gen2 needs a 4byte aligned address for the transmission buffer, whereas R-Car Gen3 doesn't have any such restriction. Add aligned_tx to struct ravb_hw_info to select the driver to choose between aligned and unaligned tx buffers. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Add struct ravb_hw_info to driver dataBiju Das2021-08-192-13/+28
| | | | | | | | | | | | | | | The DMAC and EMAC blocks of Gigabit Ethernet IP found on RZ/G2L SoC are similar to the R-Car Ethernet AVB IP. With a few changes in the driver we can support both IPs. This patch adds the struct ravb_hw_info to hold hw features, driver data and function pointers to support both the IPs. It also replaces the driver data chip type with struct ravb_hw_info by moving chip type to it. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: Use unsigned int for num_tx_desc variable in struct ravb_privateBiju Das2021-08-192-15/+15
| | | | | | | | | | | | | | The number of TX descriptors per packet is an unsigned value and the variable for holding this information should be unsigned. This patch replaces the data type of num_tx_desc variable in struct ravb_private from 'int' to 'unsigned int'. This patch also updates the data type of local variables to unsigned int, where the local variables are evaluated using num_tx_desc. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-13 07:04:09 +0000