1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2006-2008 PA Semi, Inc 4 * 5 * Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs 6 */ 7 8 9 #include <linux/netdevice.h> 10 #include <linux/ethtool.h> 11 #include <linux/pci.h> 12 13 #include <asm/pasemi_dma.h> 14 #include "pasemi_mac.h" 15 16 static struct { 17 const char str[ETH_GSTRING_LEN]; 18 } ethtool_stats_keys[] = { 19 { "rx-drops" }, 20 { "rx-bytes" }, 21 { "rx-packets" }, 22 { "rx-broadcast-packets" }, 23 { "rx-multicast-packets" }, 24 { "rx-crc-errors" }, 25 { "rx-undersize-errors" }, 26 { "rx-oversize-errors" }, 27 { "rx-short-fragment-errors" }, 28 { "rx-jabber-errors" }, 29 { "rx-64-byte-packets" }, 30 { "rx-65-127-byte-packets" }, 31 { "rx-128-255-byte-packets" }, 32 { "rx-256-511-byte-packets" }, 33 { "rx-512-1023-byte-packets" }, 34 { "rx-1024-1518-byte-packets" }, 35 { "rx-pause-frames" }, 36 { "tx-bytes" }, 37 { "tx-packets" }, 38 { "tx-broadcast-packets" }, 39 { "tx-multicast-packets" }, 40 { "tx-collisions" }, 41 { "tx-late-collisions" }, 42 { "tx-excessive-collisions" }, 43 { "tx-crc-errors" }, 44 { "tx-undersize-errors" }, 45 { "tx-oversize-errors" }, 46 { "tx-64-byte-packets" }, 47 { "tx-65-127-byte-packets" }, 48 { "tx-128-255-byte-packets" }, 49 { "tx-256-511-byte-packets" }, 50 { "tx-512-1023-byte-packets" }, 51 { "tx-1024-1518-byte-packets" }, 52 }; 53 54 static u32 55 pasemi_mac_ethtool_get_msglevel(struct net_device *netdev) 56 { 57 struct pasemi_mac *mac = netdev_priv(netdev); 58 return mac->msg_enable; 59 } 60 61 static void 62 pasemi_mac_ethtool_set_msglevel(struct net_device *netdev, 63 u32 level) 64 { 65 struct pasemi_mac *mac = netdev_priv(netdev); 66 mac->msg_enable = level; 67 } 68 69 70 static void 71 pasemi_mac_ethtool_get_ringparam(struct net_device *netdev, 72 struct ethtool_ringparam *ering, 73 struct kernel_ethtool_ringparam *kernel_ering, 74 struct netlink_ext_ack *extack) 75 { 76 struct pasemi_mac *mac = netdev_priv(netdev); 77 78 ering->tx_max_pending = TX_RING_SIZE/2; 79 ering->tx_pending = RING_USED(mac->tx)/2; 80 ering->rx_max_pending = RX_RING_SIZE/4; 81 ering->rx_pending = RING_USED(mac->rx)/4; 82 } 83 84 static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset) 85 { 86 switch (sset) { 87 case ETH_SS_STATS: 88 return ARRAY_SIZE(ethtool_stats_keys); 89 default: 90 return -EOPNOTSUPP; 91 } 92 } 93 94 static void pasemi_mac_get_ethtool_stats(struct net_device *netdev, 95 struct ethtool_stats *stats, u64 *data) 96 { 97 struct pasemi_mac *mac = netdev_priv(netdev); 98 int i; 99 100 data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)) 101 >> PAS_DMA_RXINT_RCMDSTA_DROPS_S; 102 for (i = 0; i < 32; i++) 103 data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i)); 104 } 105 106 static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset, 107 u8 *data) 108 { 109 memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); 110 } 111 112 const struct ethtool_ops pasemi_mac_ethtool_ops = { 113 .get_msglevel = pasemi_mac_ethtool_get_msglevel, 114 .set_msglevel = pasemi_mac_ethtool_set_msglevel, 115 .get_link = ethtool_op_get_link, 116 .get_ringparam = pasemi_mac_ethtool_get_ringparam, 117 .get_strings = pasemi_mac_get_strings, 118 .get_sset_count = pasemi_mac_get_sset_count, 119 .get_ethtool_stats = pasemi_mac_get_ethtool_stats, 120 .get_link_ksettings = phy_ethtool_get_link_ksettings, 121 .set_link_ksettings = phy_ethtool_set_link_ksettings, 122 }; 123 124