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 | { .str: "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(dev: 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(dev: 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(dev: 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(dev: 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 | |