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-rw-r--r--drivers/net/ethernet/broadcom/bnge/Makefile4
-rw-r--r--drivers/net/ethernet/broadcom/bnge/bnge.h12
-rw-r--r--drivers/net/ethernet/broadcom/bnge/bnge_core.c9
-rw-r--r--drivers/net/ethernet/broadcom/bnge/bnge_ethtool.c33
-rw-r--r--drivers/net/ethernet/broadcom/bnge/bnge_ethtool.h9
-rw-r--r--drivers/net/ethernet/broadcom/bnge/bnge_netdev.c268
-rw-r--r--drivers/net/ethernet/broadcom/bnge/bnge_netdev.h206
-rw-r--r--drivers/net/ethernet/broadcom/bnge/bnge_resc.h3
8 files changed, 543 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnge/Makefile b/drivers/net/ethernet/broadcom/bnge/Makefile
index 10df05b6695e8..6142d9c57f492 100644
--- a/drivers/net/ethernet/broadcom/bnge/Makefile
+++ b/drivers/net/ethernet/broadcom/bnge/Makefile
@@ -7,4 +7,6 @@ bng_en-y := bnge_core.o \
bnge_hwrm.o \
bnge_hwrm_lib.o \
bnge_rmem.o \
- bnge_resc.o
+ bnge_resc.o \
+ bnge_netdev.o \
+ bnge_ethtool.o
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge.h b/drivers/net/ethernet/broadcom/bnge/bnge.h
index cef66c1e90065..a1795302c15ad 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge.h
+++ b/drivers/net/ethernet/broadcom/bnge/bnge.h
@@ -65,6 +65,7 @@ enum {
BNGE_EN_ROCE_V2 = BIT_ULL(1),
BNGE_EN_STRIP_VLAN = BIT_ULL(2),
BNGE_EN_SHARED_CHNL = BIT_ULL(3),
+ BNGE_EN_UDP_GSO_SUPP = BIT_ULL(4),
};
#define BNGE_EN_ROCE (BNGE_EN_ROCE_V1 | BNGE_EN_ROCE_V2)
@@ -89,6 +90,7 @@ struct bnge_queue_info {
struct bnge_dev {
struct device *dev;
struct pci_dev *pdev;
+ struct net_device *netdev;
u64 dsn;
#define BNGE_VPD_FLD_LEN 32
char board_partno[BNGE_VPD_FLD_LEN];
@@ -198,6 +200,16 @@ static inline bool bnge_is_roce_en(struct bnge_dev *bd)
static inline bool bnge_is_agg_reqd(struct bnge_dev *bd)
{
+ if (bd->netdev) {
+ struct bnge_net *bn = netdev_priv(bd->netdev);
+
+ if (bn->priv_flags & BNGE_NET_EN_TPA ||
+ bn->priv_flags & BNGE_NET_EN_JUMBO)
+ return true;
+ else
+ return false;
+ }
+
return true;
}
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_core.c b/drivers/net/ethernet/broadcom/bnge/bnge_core.c
index 24babc8b9d35a..68da656f2894e 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_core.c
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_core.c
@@ -302,10 +302,17 @@ static int bnge_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_config_uninit;
}
+ rc = bnge_netdev_alloc(bd, max_irqs);
+ if (rc)
+ goto err_free_irq;
+
pci_save_state(pdev);
return 0;
+err_free_irq:
+ bnge_free_irqs(bd);
+
err_config_uninit:
bnge_net_uninit_dflt_config(bd);
@@ -331,6 +338,8 @@ static void bnge_remove_one(struct pci_dev *pdev)
{
struct bnge_dev *bd = pci_get_drvdata(pdev);
+ bnge_netdev_free(bd);
+
bnge_free_irqs(bd);
bnge_net_uninit_dflt_config(bd);
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.c b/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.c
new file mode 100644
index 0000000000000..569371c1b4f26
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2025 Broadcom.
+
+#include <linux/unaligned.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <net/devlink.h>
+#include <linux/ethtool.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool_netlink.h>
+
+#include "bnge.h"
+#include "bnge_ethtool.h"
+
+static void bnge_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ struct bnge_net *bn = netdev_priv(dev);
+ struct bnge_dev *bd = bn->bd;
+
+ strscpy(info->driver, DRV_NAME, sizeof(info->driver));
+ strscpy(info->fw_version, bd->fw_ver_str, sizeof(info->fw_version));
+ strscpy(info->bus_info, pci_name(bd->pdev), sizeof(info->bus_info));
+}
+
+static const struct ethtool_ops bnge_ethtool_ops = {
+ .get_drvinfo = bnge_get_drvinfo,
+};
+
+void bnge_set_ethtool_ops(struct net_device *dev)
+{
+ dev->ethtool_ops = &bnge_ethtool_ops;
+}
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.h b/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.h
new file mode 100644
index 0000000000000..21e96a0976d51
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_ethtool.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2025 Broadcom */
+
+#ifndef _BNGE_ETHTOOL_H_
+#define _BNGE_ETHTOOL_H_
+
+void bnge_set_ethtool_ops(struct net_device *dev);
+
+#endif /* _BNGE_ETHTOOL_H_ */
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c
new file mode 100644
index 0000000000000..02254934f3d0b
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c
@@ -0,0 +1,268 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2025 Broadcom.
+
+#include <asm/byteorder.h>
+#include <linux/dma-mapping.h>
+#include <linux/dmapool.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/if.h>
+#include <net/ip.h>
+#include <linux/skbuff.h>
+
+#include "bnge.h"
+#include "bnge_hwrm_lib.h"
+#include "bnge_ethtool.h"
+
+static netdev_tx_t bnge_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ dev_kfree_skb_any(skb);
+
+ return NETDEV_TX_OK;
+}
+
+static int bnge_open(struct net_device *dev)
+{
+ return 0;
+}
+
+static int bnge_close(struct net_device *dev)
+{
+ return 0;
+}
+
+static const struct net_device_ops bnge_netdev_ops = {
+ .ndo_open = bnge_open,
+ .ndo_stop = bnge_close,
+ .ndo_start_xmit = bnge_start_xmit,
+};
+
+static void bnge_init_mac_addr(struct bnge_dev *bd)
+{
+ eth_hw_addr_set(bd->netdev, bd->pf.mac_addr);
+}
+
+static void bnge_set_tpa_flags(struct bnge_dev *bd)
+{
+ struct bnge_net *bn = netdev_priv(bd->netdev);
+
+ bn->priv_flags &= ~BNGE_NET_EN_TPA;
+
+ if (bd->netdev->features & NETIF_F_LRO)
+ bn->priv_flags |= BNGE_NET_EN_LRO;
+ else if (bd->netdev->features & NETIF_F_GRO_HW)
+ bn->priv_flags |= BNGE_NET_EN_GRO;
+}
+
+static void bnge_init_l2_fltr_tbl(struct bnge_net *bn)
+{
+ int i;
+
+ for (i = 0; i < BNGE_L2_FLTR_HASH_SIZE; i++)
+ INIT_HLIST_HEAD(&bn->l2_fltr_hash_tbl[i]);
+ get_random_bytes(&bn->hash_seed, sizeof(bn->hash_seed));
+}
+
+void bnge_set_ring_params(struct bnge_dev *bd)
+{
+ struct bnge_net *bn = netdev_priv(bd->netdev);
+ u32 ring_size, rx_size, rx_space, max_rx_cmpl;
+ u32 agg_factor = 0, agg_ring_size = 0;
+
+ /* 8 for CRC and VLAN */
+ rx_size = SKB_DATA_ALIGN(bn->netdev->mtu + ETH_HLEN + NET_IP_ALIGN + 8);
+
+ rx_space = rx_size + ALIGN(NET_SKB_PAD, 8) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
+ bn->rx_copy_thresh = BNGE_RX_COPY_THRESH;
+ ring_size = bn->rx_ring_size;
+ bn->rx_agg_ring_size = 0;
+ bn->rx_agg_nr_pages = 0;
+
+ if (bn->priv_flags & BNGE_NET_EN_TPA)
+ agg_factor = min_t(u32, 4, 65536 / BNGE_RX_PAGE_SIZE);
+
+ bn->priv_flags &= ~BNGE_NET_EN_JUMBO;
+ if (rx_space > PAGE_SIZE) {
+ u32 jumbo_factor;
+
+ bn->priv_flags |= BNGE_NET_EN_JUMBO;
+ jumbo_factor = PAGE_ALIGN(bn->netdev->mtu - 40) >> PAGE_SHIFT;
+ if (jumbo_factor > agg_factor)
+ agg_factor = jumbo_factor;
+ }
+ if (agg_factor) {
+ if (ring_size > BNGE_MAX_RX_DESC_CNT_JUM_ENA) {
+ ring_size = BNGE_MAX_RX_DESC_CNT_JUM_ENA;
+ netdev_warn(bn->netdev, "RX ring size reduced from %d to %d due to jumbo ring\n",
+ bn->rx_ring_size, ring_size);
+ bn->rx_ring_size = ring_size;
+ }
+ agg_ring_size = ring_size * agg_factor;
+
+ bn->rx_agg_nr_pages = bnge_adjust_pow_two(agg_ring_size,
+ RX_DESC_CNT);
+ if (bn->rx_agg_nr_pages > MAX_RX_AGG_PAGES) {
+ u32 tmp = agg_ring_size;
+
+ bn->rx_agg_nr_pages = MAX_RX_AGG_PAGES;
+ agg_ring_size = MAX_RX_AGG_PAGES * RX_DESC_CNT - 1;
+ netdev_warn(bn->netdev, "RX agg ring size %d reduced to %d.\n",
+ tmp, agg_ring_size);
+ }
+ bn->rx_agg_ring_size = agg_ring_size;
+ bn->rx_agg_ring_mask = (bn->rx_agg_nr_pages * RX_DESC_CNT) - 1;
+
+ rx_size = SKB_DATA_ALIGN(BNGE_RX_COPY_THRESH + NET_IP_ALIGN);
+ rx_space = rx_size + NET_SKB_PAD +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+ }
+
+ bn->rx_buf_use_size = rx_size;
+ bn->rx_buf_size = rx_space;
+
+ bn->rx_nr_pages = bnge_adjust_pow_two(ring_size, RX_DESC_CNT);
+ bn->rx_ring_mask = (bn->rx_nr_pages * RX_DESC_CNT) - 1;
+
+ ring_size = bn->tx_ring_size;
+ bn->tx_nr_pages = bnge_adjust_pow_two(ring_size, TX_DESC_CNT);
+ bn->tx_ring_mask = (bn->tx_nr_pages * TX_DESC_CNT) - 1;
+
+ max_rx_cmpl = bn->rx_ring_size;
+
+ if (bn->priv_flags & BNGE_NET_EN_TPA)
+ max_rx_cmpl += bd->max_tpa_v2;
+ ring_size = max_rx_cmpl * 2 + agg_ring_size + bn->tx_ring_size;
+ bn->cp_ring_size = ring_size;
+
+ bn->cp_nr_pages = bnge_adjust_pow_two(ring_size, CP_DESC_CNT);
+ if (bn->cp_nr_pages > MAX_CP_PAGES) {
+ bn->cp_nr_pages = MAX_CP_PAGES;
+ bn->cp_ring_size = MAX_CP_PAGES * CP_DESC_CNT - 1;
+ netdev_warn(bn->netdev, "completion ring size %d reduced to %d.\n",
+ ring_size, bn->cp_ring_size);
+ }
+ bn->cp_bit = bn->cp_nr_pages * CP_DESC_CNT;
+ bn->cp_ring_mask = bn->cp_bit - 1;
+}
+
+int bnge_netdev_alloc(struct bnge_dev *bd, int max_irqs)
+{
+ struct net_device *netdev;
+ struct bnge_net *bn;
+ int rc;
+
+ netdev = alloc_etherdev_mqs(sizeof(*bn), max_irqs * BNGE_MAX_QUEUE,
+ max_irqs);
+ if (!netdev)
+ return -ENOMEM;
+
+ SET_NETDEV_DEV(netdev, bd->dev);
+ bd->netdev = netdev;
+
+ netdev->netdev_ops = &bnge_netdev_ops;
+
+ bnge_set_ethtool_ops(netdev);
+
+ bn = netdev_priv(netdev);
+ bn->netdev = netdev;
+ bn->bd = bd;
+
+ netdev->min_mtu = ETH_ZLEN;
+ netdev->max_mtu = bd->max_mtu;
+
+ netdev->hw_features = NETIF_F_IP_CSUM |
+ NETIF_F_IPV6_CSUM |
+ NETIF_F_SG |
+ NETIF_F_TSO |
+ NETIF_F_TSO6 |
+ NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_GRE |
+ NETIF_F_GSO_IPXIP4 |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM |
+ NETIF_F_GSO_GRE_CSUM |
+ NETIF_F_GSO_PARTIAL |
+ NETIF_F_RXHASH |
+ NETIF_F_RXCSUM |
+ NETIF_F_GRO;
+
+ if (bd->flags & BNGE_EN_UDP_GSO_SUPP)
+ netdev->hw_features |= NETIF_F_GSO_UDP_L4;
+
+ if (BNGE_SUPPORTS_TPA(bd))
+ netdev->hw_features |= NETIF_F_LRO;
+
+ netdev->hw_enc_features = NETIF_F_IP_CSUM |
+ NETIF_F_IPV6_CSUM |
+ NETIF_F_SG |
+ NETIF_F_TSO |
+ NETIF_F_TSO6 |
+ NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_GRE |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM |
+ NETIF_F_GSO_GRE_CSUM |
+ NETIF_F_GSO_IPXIP4 |
+ NETIF_F_GSO_PARTIAL;
+
+ if (bd->flags & BNGE_EN_UDP_GSO_SUPP)
+ netdev->hw_enc_features |= NETIF_F_GSO_UDP_L4;
+
+ netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM |
+ NETIF_F_GSO_GRE_CSUM;
+
+ netdev->vlan_features = netdev->hw_features | NETIF_F_HIGHDMA;
+ if (bd->fw_cap & BNGE_FW_CAP_VLAN_RX_STRIP)
+ netdev->hw_features |= BNGE_HW_FEATURE_VLAN_ALL_RX;
+ if (bd->fw_cap & BNGE_FW_CAP_VLAN_TX_INSERT)
+ netdev->hw_features |= BNGE_HW_FEATURE_VLAN_ALL_TX;
+
+ if (BNGE_SUPPORTS_TPA(bd))
+ netdev->hw_features |= NETIF_F_GRO_HW;
+
+ netdev->features |= netdev->hw_features | NETIF_F_HIGHDMA;
+
+ if (netdev->features & NETIF_F_GRO_HW)
+ netdev->features &= ~NETIF_F_LRO;
+
+ netdev->priv_flags |= IFF_UNICAST_FLT;
+
+ netif_set_tso_max_size(netdev, GSO_MAX_SIZE);
+ if (bd->tso_max_segs)
+ netif_set_tso_max_segs(netdev, bd->tso_max_segs);
+
+ bn->rx_ring_size = BNGE_DEFAULT_RX_RING_SIZE;
+ bn->tx_ring_size = BNGE_DEFAULT_TX_RING_SIZE;
+
+ bnge_set_tpa_flags(bd);
+ bnge_set_ring_params(bd);
+
+ bnge_init_l2_fltr_tbl(bn);
+ bnge_init_mac_addr(bd);
+
+ rc = register_netdev(netdev);
+ if (rc) {
+ dev_err(bd->dev, "Register netdev failed rc: %d\n", rc);
+ goto err_netdev;
+ }
+
+ return 0;
+
+err_netdev:
+ free_netdev(netdev);
+ return rc;
+}
+
+void bnge_netdev_free(struct bnge_dev *bd)
+{
+ struct net_device *netdev = bd->netdev;
+
+ unregister_netdev(netdev);
+ free_netdev(netdev);
+ bd->netdev = NULL;
+}
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_netdev.h b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.h
new file mode 100644
index 0000000000000..96b77e44b5520
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.h
@@ -0,0 +1,206 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2025 Broadcom */
+
+#ifndef _BNGE_NETDEV_H_
+#define _BNGE_NETDEV_H_
+
+#include "../bnxt/bnxt_hsi.h"
+
+struct tx_bd {
+ __le32 tx_bd_len_flags_type;
+ #define TX_BD_TYPE (0x3f << 0)
+ #define TX_BD_TYPE_SHORT_TX_BD (0x00 << 0)
+ #define TX_BD_TYPE_LONG_TX_BD (0x10 << 0)
+ #define TX_BD_FLAGS_PACKET_END (1 << 6)
+ #define TX_BD_FLAGS_NO_CMPL (1 << 7)
+ #define TX_BD_FLAGS_BD_CNT (0x1f << 8)
+ #define TX_BD_FLAGS_BD_CNT_SHIFT 8
+ #define TX_BD_FLAGS_LHINT (3 << 13)
+ #define TX_BD_FLAGS_LHINT_SHIFT 13
+ #define TX_BD_FLAGS_LHINT_512_AND_SMALLER (0 << 13)
+ #define TX_BD_FLAGS_LHINT_512_TO_1023 (1 << 13)
+ #define TX_BD_FLAGS_LHINT_1024_TO_2047 (2 << 13)
+ #define TX_BD_FLAGS_LHINT_2048_AND_LARGER (3 << 13)
+ #define TX_BD_FLAGS_COAL_NOW (1 << 15)
+ #define TX_BD_LEN (0xffff << 16)
+ #define TX_BD_LEN_SHIFT 16
+ u32 tx_bd_opaque;
+ __le64 tx_bd_haddr;
+} __packed;
+
+struct rx_bd {
+ __le32 rx_bd_len_flags_type;
+ #define RX_BD_TYPE (0x3f << 0)
+ #define RX_BD_TYPE_RX_PACKET_BD 0x4
+ #define RX_BD_TYPE_RX_BUFFER_BD 0x5
+ #define RX_BD_TYPE_RX_AGG_BD 0x6
+ #define RX_BD_TYPE_16B_BD_SIZE (0 << 4)
+ #define RX_BD_TYPE_32B_BD_SIZE (1 << 4)
+ #define RX_BD_TYPE_48B_BD_SIZE (2 << 4)
+ #define RX_BD_TYPE_64B_BD_SIZE (3 << 4)
+ #define RX_BD_FLAGS_SOP (1 << 6)
+ #define RX_BD_FLAGS_EOP (1 << 7)
+ #define RX_BD_FLAGS_BUFFERS (3 << 8)
+ #define RX_BD_FLAGS_1_BUFFER_PACKET (0 << 8)
+ #define RX_BD_FLAGS_2_BUFFER_PACKET (1 << 8)
+ #define RX_BD_FLAGS_3_BUFFER_PACKET (2 << 8)
+ #define RX_BD_FLAGS_4_BUFFER_PACKET (3 << 8)
+ #define RX_BD_LEN (0xffff << 16)
+ #define RX_BD_LEN_SHIFT 16
+ u32 rx_bd_opaque;
+ __le64 rx_bd_haddr;
+};
+
+struct tx_cmp {
+ __le32 tx_cmp_flags_type;
+ #define CMP_TYPE (0x3f << 0)
+ #define CMP_TYPE_TX_L2_CMP 0
+ #define CMP_TYPE_TX_L2_COAL_CMP 2
+ #define CMP_TYPE_TX_L2_PKT_TS_CMP 4
+ #define CMP_TYPE_RX_L2_CMP 17
+ #define CMP_TYPE_RX_AGG_CMP 18
+ #define CMP_TYPE_RX_L2_TPA_START_CMP 19
+ #define CMP_TYPE_RX_L2_TPA_END_CMP 21
+ #define CMP_TYPE_RX_TPA_AGG_CMP 22
+ #define CMP_TYPE_RX_L2_V3_CMP 23
+ #define CMP_TYPE_RX_L2_TPA_START_V3_CMP 25
+ #define CMP_TYPE_STATUS_CMP 32
+ #define CMP_TYPE_REMOTE_DRIVER_REQ 34
+ #define CMP_TYPE_REMOTE_DRIVER_RESP 36
+ #define CMP_TYPE_ERROR_STATUS 48
+ #define CMPL_BASE_TYPE_STAT_EJECT 0x1aUL
+ #define CMPL_BASE_TYPE_HWRM_DONE 0x20UL
+ #define CMPL_BASE_TYPE_HWRM_FWD_REQ 0x22UL
+ #define CMPL_BASE_TYPE_HWRM_FWD_RESP 0x24UL
+ #define CMPL_BASE_TYPE_HWRM_ASYNC_EVENT 0x2eUL
+ #define TX_CMP_FLAGS_ERROR (1 << 6)
+ #define TX_CMP_FLAGS_PUSH (1 << 7)
+ u32 tx_cmp_opaque;
+ __le32 tx_cmp_errors_v;
+ #define TX_CMP_V (1 << 0)
+ #define TX_CMP_ERRORS_BUFFER_ERROR (7 << 1)
+ #define TX_CMP_ERRORS_BUFFER_ERROR_NO_ERROR 0
+ #define TX_CMP_ERRORS_BUFFER_ERROR_BAD_FORMAT 2
+ #define TX_CMP_ERRORS_BUFFER_ERROR_INVALID_STAG 4
+ #define TX_CMP_ERRORS_BUFFER_ERROR_STAG_BOUNDS 5
+ #define TX_CMP_ERRORS_ZERO_LENGTH_PKT (1 << 4)
+ #define TX_CMP_ERRORS_EXCESSIVE_BD_LEN (1 << 5)
+ #define TX_CMP_ERRORS_DMA_ERROR (1 << 6)
+ #define TX_CMP_ERRORS_HINT_TOO_SHORT (1 << 7)
+ __le32 sq_cons_idx;
+ #define TX_CMP_SQ_CONS_IDX_MASK 0x00ffffff
+};
+
+struct bnge_sw_tx_bd {
+ struct sk_buff *skb;
+ DEFINE_DMA_UNMAP_ADDR(mapping);
+ DEFINE_DMA_UNMAP_LEN(len);
+ struct page *page;
+ u8 is_ts_pkt;
+ u8 is_push;
+ u8 action;
+ unsigned short nr_frags;
+ union {
+ u16 rx_prod;
+ u16 txts_prod;
+ };
+};
+
+struct bnge_sw_rx_bd {
+ void *data;
+ u8 *data_ptr;
+ dma_addr_t mapping;
+};
+
+struct bnge_sw_rx_agg_bd {
+ struct page *page;
+ unsigned int offset;
+ dma_addr_t mapping;
+};
+
+#define BNGE_RX_COPY_THRESH 256
+
+#define BNGE_HW_FEATURE_VLAN_ALL_RX \
+ (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)
+#define BNGE_HW_FEATURE_VLAN_ALL_TX \
+ (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX)
+
+enum {
+ BNGE_NET_EN_GRO = BIT(0),
+ BNGE_NET_EN_LRO = BIT(1),
+ BNGE_NET_EN_JUMBO = BIT(2),
+};
+
+#define BNGE_NET_EN_TPA (BNGE_NET_EN_GRO | BNGE_NET_EN_LRO)
+
+struct bnge_net {
+ struct bnge_dev *bd;
+ struct net_device *netdev;
+
+ u32 priv_flags;
+
+ u32 rx_ring_size;
+ u32 rx_buf_size;
+ u32 rx_buf_use_size; /* usable size */
+ u32 rx_agg_ring_size;
+ u32 rx_copy_thresh;
+ u32 rx_ring_mask;
+ u32 rx_agg_ring_mask;
+ u16 rx_nr_pages;
+ u16 rx_agg_nr_pages;
+
+ u32 tx_ring_size;
+ u32 tx_ring_mask;
+ u16 tx_nr_pages;
+
+ /* NQs and Completion rings */
+ u32 cp_ring_size;
+ u32 cp_ring_mask;
+ u32 cp_bit;
+ u16 cp_nr_pages;
+
+#define BNGE_L2_FLTR_HASH_SIZE 32
+#define BNGE_L2_FLTR_HASH_MASK (BNGE_L2_FLTR_HASH_SIZE - 1)
+ struct hlist_head l2_fltr_hash_tbl[BNGE_L2_FLTR_HASH_SIZE];
+ u32 hash_seed;
+ u64 toeplitz_prefix;
+};
+
+#define BNGE_DEFAULT_RX_RING_SIZE 511
+#define BNGE_DEFAULT_TX_RING_SIZE 511
+
+int bnge_netdev_alloc(struct bnge_dev *bd, int max_irqs);
+void bnge_netdev_free(struct bnge_dev *bd);
+void bnge_set_ring_params(struct bnge_dev *bd);
+
+#if (BNGE_PAGE_SHIFT == 16)
+#define MAX_RX_PAGES_AGG_ENA 1
+#define MAX_RX_PAGES 4
+#define MAX_RX_AGG_PAGES 4
+#define MAX_TX_PAGES 1
+#define MAX_CP_PAGES 16
+#else
+#define MAX_RX_PAGES_AGG_ENA 8
+#define MAX_RX_PAGES 32
+#define MAX_RX_AGG_PAGES 32
+#define MAX_TX_PAGES 8
+#define MAX_CP_PAGES 128
+#endif
+
+#define BNGE_RX_PAGE_SIZE (1 << BNGE_RX_PAGE_SHIFT)
+
+#define RX_DESC_CNT (BNGE_PAGE_SIZE / sizeof(struct rx_bd))
+#define TX_DESC_CNT (BNGE_PAGE_SIZE / sizeof(struct tx_bd))
+#define CP_DESC_CNT (BNGE_PAGE_SIZE / sizeof(struct tx_cmp))
+#define SW_RXBD_RING_SIZE (sizeof(struct bnge_sw_rx_bd) * RX_DESC_CNT)
+#define HW_RXBD_RING_SIZE (sizeof(struct rx_bd) * RX_DESC_CNT)
+#define SW_RXBD_AGG_RING_SIZE (sizeof(struct bnge_sw_rx_agg_bd) * RX_DESC_CNT)
+#define SW_TXBD_RING_SIZE (sizeof(struct bnge_sw_tx_bd) * TX_DESC_CNT)
+#define HW_TXBD_RING_SIZE (sizeof(struct tx_bd) * TX_DESC_CNT)
+#define HW_CMPD_RING_SIZE (sizeof(struct tx_cmp) * CP_DESC_CNT)
+#define BNGE_MAX_RX_DESC_CNT (RX_DESC_CNT * MAX_RX_PAGES - 1)
+#define BNGE_MAX_RX_DESC_CNT_JUM_ENA (RX_DESC_CNT * MAX_RX_PAGES_AGG_ENA - 1)
+#define BNGE_MAX_RX_JUM_DESC_CNT (RX_DESC_CNT * MAX_RX_AGG_PAGES - 1)
+#define BNGE_MAX_TX_DESC_CNT (TX_DESC_CNT * MAX_TX_PAGES - 1)
+
+#endif /* _BNGE_NETDEV_H_ */
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_resc.h b/drivers/net/ethernet/broadcom/bnge/bnge_resc.h
index b39fd1a7a81b7..54ef1c7d88222 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_resc.h
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_resc.h
@@ -4,6 +4,9 @@
#ifndef _BNGE_RESC_H_
#define _BNGE_RESC_H_
+#include "bnge_netdev.h"
+#include "bnge_rmem.h"
+
struct bnge_hw_resc {
u16 min_rsscos_ctxs;
u16 max_rsscos_ctxs;
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-07 04:27:14 +0000