Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1 | /* |
| 2 | * net/dsa/slave.c - Slave device handling |
Lennert Buytenhek | e84665c | 2009-03-20 09:52:09 +0000 | [diff] [blame] | 3 | * Copyright (c) 2008-2009 Marvell Semiconductor |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/list.h> |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 12 | #include <linux/etherdevice.h> |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 13 | #include <linux/netdevice.h> |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 14 | #include <linux/phy.h> |
Florian Fainelli | a282054 | 2014-10-17 16:02:13 -0700 | [diff] [blame] | 15 | #include <linux/phy_fixed.h> |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 16 | #include <linux/of_net.h> |
| 17 | #include <linux/of_mdio.h> |
Andrew Lunn | 7f85442 | 2016-01-06 20:11:18 +0100 | [diff] [blame] | 18 | #include <linux/mdio.h> |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 19 | #include <linux/list.h> |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 20 | #include <net/rtnetlink.h> |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 21 | #include <net/pkt_cls.h> |
| 22 | #include <net/tc_act/tc_mirred.h> |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 23 | #include <linux/if_bridge.h> |
Florian Fainelli | 04ff53f | 2015-07-31 11:42:57 -0700 | [diff] [blame] | 24 | #include <linux/netpoll.h> |
Vivien Didelot | ea5dd34 | 2017-05-17 15:46:03 -0400 | [diff] [blame] | 25 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 26 | #include "dsa_priv.h" |
| 27 | |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 28 | static bool dsa_slave_dev_check(struct net_device *dev); |
| 29 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 30 | /* slave mii_bus handling ***************************************************/ |
| 31 | static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg) |
| 32 | { |
| 33 | struct dsa_switch *ds = bus->priv; |
| 34 | |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 35 | if (ds->phys_mii_mask & (1 << addr)) |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 36 | return ds->ops->phy_read(ds, addr, reg); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 37 | |
| 38 | return 0xffff; |
| 39 | } |
| 40 | |
| 41 | static int dsa_slave_phy_write(struct mii_bus *bus, int addr, int reg, u16 val) |
| 42 | { |
| 43 | struct dsa_switch *ds = bus->priv; |
| 44 | |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 45 | if (ds->phys_mii_mask & (1 << addr)) |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 46 | return ds->ops->phy_write(ds, addr, reg, val); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 47 | |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | void dsa_slave_mii_bus_init(struct dsa_switch *ds) |
| 52 | { |
| 53 | ds->slave_mii_bus->priv = (void *)ds; |
| 54 | ds->slave_mii_bus->name = "dsa slave smi"; |
| 55 | ds->slave_mii_bus->read = dsa_slave_phy_read; |
| 56 | ds->slave_mii_bus->write = dsa_slave_phy_write; |
Florian Fainelli | 0b7b498 | 2016-06-07 16:32:38 -0700 | [diff] [blame] | 57 | snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "dsa-%d.%d", |
| 58 | ds->dst->tree, ds->index); |
Andrew Lunn | c33063d | 2016-05-10 23:27:23 +0200 | [diff] [blame] | 59 | ds->slave_mii_bus->parent = ds->dev; |
Vivien Didelot | 24df898 | 2015-01-20 19:13:32 -0500 | [diff] [blame] | 60 | ds->slave_mii_bus->phy_mask = ~ds->phys_mii_mask; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | |
| 64 | /* slave device handling ****************************************************/ |
Nicolas Dichtel | abd2be0 | 2015-04-02 17:07:08 +0200 | [diff] [blame] | 65 | static int dsa_slave_get_iflink(const struct net_device *dev) |
Lennert Buytenhek | c084080 | 2009-03-20 09:49:49 +0000 | [diff] [blame] | 66 | { |
| 67 | struct dsa_slave_priv *p = netdev_priv(dev); |
Lennert Buytenhek | c084080 | 2009-03-20 09:49:49 +0000 | [diff] [blame] | 68 | |
Florian Fainelli | 6d3c8c0 | 2017-06-13 13:27:19 -0700 | [diff] [blame] | 69 | return dsa_master_netdev(p)->ifindex; |
Lennert Buytenhek | c084080 | 2009-03-20 09:49:49 +0000 | [diff] [blame] | 70 | } |
| 71 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 72 | static int dsa_slave_open(struct net_device *dev) |
| 73 | { |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 74 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | f3d736c | 2017-05-26 18:12:42 -0400 | [diff] [blame] | 75 | struct dsa_port *dp = p->dp; |
| 76 | struct dsa_switch *ds = dp->ds; |
Florian Fainelli | 6d3c8c0 | 2017-06-13 13:27:19 -0700 | [diff] [blame] | 77 | struct net_device *master = dsa_master_netdev(p); |
Vivien Didelot | f3d736c | 2017-05-26 18:12:42 -0400 | [diff] [blame] | 78 | u8 stp_state = dp->bridge_dev ? BR_STATE_BLOCKING : BR_STATE_FORWARDING; |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 79 | int err; |
| 80 | |
| 81 | if (!(master->flags & IFF_UP)) |
| 82 | return -ENETDOWN; |
| 83 | |
Joe Perches | 8feedbb | 2012-05-08 18:56:57 +0000 | [diff] [blame] | 84 | if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) { |
Jiri Pirko | a748ee2 | 2010-04-01 21:22:09 +0000 | [diff] [blame] | 85 | err = dev_uc_add(master, dev->dev_addr); |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 86 | if (err < 0) |
| 87 | goto out; |
| 88 | } |
| 89 | |
| 90 | if (dev->flags & IFF_ALLMULTI) { |
| 91 | err = dev_set_allmulti(master, 1); |
| 92 | if (err < 0) |
| 93 | goto del_unicast; |
| 94 | } |
| 95 | if (dev->flags & IFF_PROMISC) { |
| 96 | err = dev_set_promiscuity(master, 1); |
| 97 | if (err < 0) |
| 98 | goto clear_allmulti; |
| 99 | } |
| 100 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 101 | if (ds->ops->port_enable) { |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 102 | err = ds->ops->port_enable(ds, p->dp->index, p->phy); |
Florian Fainelli | b2f2af2 | 2014-09-24 17:05:18 -0700 | [diff] [blame] | 103 | if (err) |
| 104 | goto clear_promisc; |
| 105 | } |
| 106 | |
Vivien Didelot | fd36454 | 2017-05-19 17:00:36 -0400 | [diff] [blame] | 107 | dsa_port_set_state_now(p->dp, stp_state); |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 108 | |
Florian Fainelli | f7f1de5 | 2014-09-24 17:05:17 -0700 | [diff] [blame] | 109 | if (p->phy) |
| 110 | phy_start(p->phy); |
| 111 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 112 | return 0; |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 113 | |
Florian Fainelli | b2f2af2 | 2014-09-24 17:05:18 -0700 | [diff] [blame] | 114 | clear_promisc: |
| 115 | if (dev->flags & IFF_PROMISC) |
Gilad Ben-Yossef | 4fdeddf | 2015-06-25 16:50:13 +0300 | [diff] [blame] | 116 | dev_set_promiscuity(master, -1); |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 117 | clear_allmulti: |
| 118 | if (dev->flags & IFF_ALLMULTI) |
| 119 | dev_set_allmulti(master, -1); |
| 120 | del_unicast: |
Joe Perches | 8feedbb | 2012-05-08 18:56:57 +0000 | [diff] [blame] | 121 | if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) |
Jiri Pirko | a748ee2 | 2010-04-01 21:22:09 +0000 | [diff] [blame] | 122 | dev_uc_del(master, dev->dev_addr); |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 123 | out: |
| 124 | return err; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | static int dsa_slave_close(struct net_device *dev) |
| 128 | { |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 129 | struct dsa_slave_priv *p = netdev_priv(dev); |
Florian Fainelli | 6d3c8c0 | 2017-06-13 13:27:19 -0700 | [diff] [blame] | 130 | struct net_device *master = dsa_master_netdev(p); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 131 | struct dsa_switch *ds = p->dp->ds; |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 132 | |
Florian Fainelli | f7f1de5 | 2014-09-24 17:05:17 -0700 | [diff] [blame] | 133 | if (p->phy) |
| 134 | phy_stop(p->phy); |
| 135 | |
Vivien Didelot | 6457edf | 2017-09-22 19:01:55 -0400 | [diff] [blame^] | 136 | dsa_port_set_state_now(p->dp, BR_STATE_DISABLED); |
| 137 | |
| 138 | if (ds->ops->port_disable) |
| 139 | ds->ops->port_disable(ds, p->dp->index, p->phy); |
| 140 | |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 141 | dev_mc_unsync(master, dev); |
Jiri Pirko | a748ee2 | 2010-04-01 21:22:09 +0000 | [diff] [blame] | 142 | dev_uc_unsync(master, dev); |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 143 | if (dev->flags & IFF_ALLMULTI) |
| 144 | dev_set_allmulti(master, -1); |
| 145 | if (dev->flags & IFF_PROMISC) |
| 146 | dev_set_promiscuity(master, -1); |
| 147 | |
Joe Perches | 8feedbb | 2012-05-08 18:56:57 +0000 | [diff] [blame] | 148 | if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) |
Jiri Pirko | a748ee2 | 2010-04-01 21:22:09 +0000 | [diff] [blame] | 149 | dev_uc_del(master, dev->dev_addr); |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 150 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 151 | return 0; |
| 152 | } |
| 153 | |
| 154 | static void dsa_slave_change_rx_flags(struct net_device *dev, int change) |
| 155 | { |
| 156 | struct dsa_slave_priv *p = netdev_priv(dev); |
Florian Fainelli | 6d3c8c0 | 2017-06-13 13:27:19 -0700 | [diff] [blame] | 157 | struct net_device *master = dsa_master_netdev(p); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 158 | |
| 159 | if (change & IFF_ALLMULTI) |
| 160 | dev_set_allmulti(master, dev->flags & IFF_ALLMULTI ? 1 : -1); |
| 161 | if (change & IFF_PROMISC) |
| 162 | dev_set_promiscuity(master, dev->flags & IFF_PROMISC ? 1 : -1); |
| 163 | } |
| 164 | |
| 165 | static void dsa_slave_set_rx_mode(struct net_device *dev) |
| 166 | { |
| 167 | struct dsa_slave_priv *p = netdev_priv(dev); |
Florian Fainelli | 6d3c8c0 | 2017-06-13 13:27:19 -0700 | [diff] [blame] | 168 | struct net_device *master = dsa_master_netdev(p); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 169 | |
| 170 | dev_mc_sync(master, dev); |
Jiri Pirko | a748ee2 | 2010-04-01 21:22:09 +0000 | [diff] [blame] | 171 | dev_uc_sync(master, dev); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 172 | } |
| 173 | |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 174 | static int dsa_slave_set_mac_address(struct net_device *dev, void *a) |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 175 | { |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 176 | struct dsa_slave_priv *p = netdev_priv(dev); |
Florian Fainelli | 6d3c8c0 | 2017-06-13 13:27:19 -0700 | [diff] [blame] | 177 | struct net_device *master = dsa_master_netdev(p); |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 178 | struct sockaddr *addr = a; |
| 179 | int err; |
| 180 | |
| 181 | if (!is_valid_ether_addr(addr->sa_data)) |
| 182 | return -EADDRNOTAVAIL; |
| 183 | |
| 184 | if (!(dev->flags & IFF_UP)) |
| 185 | goto out; |
| 186 | |
Joe Perches | 8feedbb | 2012-05-08 18:56:57 +0000 | [diff] [blame] | 187 | if (!ether_addr_equal(addr->sa_data, master->dev_addr)) { |
Jiri Pirko | a748ee2 | 2010-04-01 21:22:09 +0000 | [diff] [blame] | 188 | err = dev_uc_add(master, addr->sa_data); |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 189 | if (err < 0) |
| 190 | return err; |
| 191 | } |
| 192 | |
Joe Perches | 8feedbb | 2012-05-08 18:56:57 +0000 | [diff] [blame] | 193 | if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) |
Jiri Pirko | a748ee2 | 2010-04-01 21:22:09 +0000 | [diff] [blame] | 194 | dev_uc_del(master, dev->dev_addr); |
Lennert Buytenhek | df02c6f | 2008-11-10 21:53:12 -0800 | [diff] [blame] | 195 | |
| 196 | out: |
Joe Perches | d08f161 | 2014-01-20 09:52:20 -0800 | [diff] [blame] | 197 | ether_addr_copy(dev->dev_addr, addr->sa_data); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 198 | |
| 199 | return 0; |
| 200 | } |
| 201 | |
Arkadi Sharshevsky | 2bedde1 | 2017-08-06 16:15:49 +0300 | [diff] [blame] | 202 | struct dsa_slave_dump_ctx { |
| 203 | struct net_device *dev; |
| 204 | struct sk_buff *skb; |
| 205 | struct netlink_callback *cb; |
| 206 | int idx; |
| 207 | }; |
| 208 | |
| 209 | static int |
| 210 | dsa_slave_port_fdb_do_dump(const unsigned char *addr, u16 vid, |
| 211 | bool is_static, void *data) |
| 212 | { |
| 213 | struct dsa_slave_dump_ctx *dump = data; |
| 214 | u32 portid = NETLINK_CB(dump->cb->skb).portid; |
| 215 | u32 seq = dump->cb->nlh->nlmsg_seq; |
| 216 | struct nlmsghdr *nlh; |
| 217 | struct ndmsg *ndm; |
| 218 | |
| 219 | if (dump->idx < dump->cb->args[2]) |
| 220 | goto skip; |
| 221 | |
| 222 | nlh = nlmsg_put(dump->skb, portid, seq, RTM_NEWNEIGH, |
| 223 | sizeof(*ndm), NLM_F_MULTI); |
| 224 | if (!nlh) |
| 225 | return -EMSGSIZE; |
| 226 | |
| 227 | ndm = nlmsg_data(nlh); |
| 228 | ndm->ndm_family = AF_BRIDGE; |
| 229 | ndm->ndm_pad1 = 0; |
| 230 | ndm->ndm_pad2 = 0; |
| 231 | ndm->ndm_flags = NTF_SELF; |
| 232 | ndm->ndm_type = 0; |
| 233 | ndm->ndm_ifindex = dump->dev->ifindex; |
| 234 | ndm->ndm_state = is_static ? NUD_NOARP : NUD_REACHABLE; |
| 235 | |
| 236 | if (nla_put(dump->skb, NDA_LLADDR, ETH_ALEN, addr)) |
| 237 | goto nla_put_failure; |
| 238 | |
| 239 | if (vid && nla_put_u16(dump->skb, NDA_VLAN, vid)) |
| 240 | goto nla_put_failure; |
| 241 | |
| 242 | nlmsg_end(dump->skb, nlh); |
| 243 | |
| 244 | skip: |
| 245 | dump->idx++; |
| 246 | return 0; |
| 247 | |
| 248 | nla_put_failure: |
| 249 | nlmsg_cancel(dump->skb, nlh); |
| 250 | return -EMSGSIZE; |
| 251 | } |
| 252 | |
| 253 | static int |
| 254 | dsa_slave_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, |
| 255 | struct net_device *dev, struct net_device *filter_dev, |
| 256 | int *idx) |
| 257 | { |
| 258 | struct dsa_slave_dump_ctx dump = { |
| 259 | .dev = dev, |
| 260 | .skb = skb, |
| 261 | .cb = cb, |
| 262 | .idx = *idx, |
| 263 | }; |
| 264 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 265 | struct dsa_port *dp = p->dp; |
Arkadi Sharshevsky | 2bedde1 | 2017-08-06 16:15:49 +0300 | [diff] [blame] | 266 | int err; |
| 267 | |
Vivien Didelot | de40fc5 | 2017-09-20 19:32:14 -0400 | [diff] [blame] | 268 | err = dsa_port_fdb_dump(dp, dsa_slave_port_fdb_do_dump, &dump); |
Arkadi Sharshevsky | 2bedde1 | 2017-08-06 16:15:49 +0300 | [diff] [blame] | 269 | *idx = dump.idx; |
Vivien Didelot | de40fc5 | 2017-09-20 19:32:14 -0400 | [diff] [blame] | 270 | |
Arkadi Sharshevsky | 2bedde1 | 2017-08-06 16:15:49 +0300 | [diff] [blame] | 271 | return err; |
| 272 | } |
| 273 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 274 | static int dsa_slave_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 275 | { |
| 276 | struct dsa_slave_priv *p = netdev_priv(dev); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 277 | |
| 278 | if (p->phy != NULL) |
Richard Cochran | 28b0411 | 2010-07-17 08:48:55 +0000 | [diff] [blame] | 279 | return phy_mii_ioctl(p->phy, ifr, cmd); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 280 | |
| 281 | return -EOPNOTSUPP; |
| 282 | } |
| 283 | |
Scott Feldman | 3563606 | 2015-05-10 09:47:51 -0700 | [diff] [blame] | 284 | static int dsa_slave_port_attr_set(struct net_device *dev, |
Jiri Pirko | f7fadf3 | 2015-10-14 19:40:49 +0200 | [diff] [blame] | 285 | const struct switchdev_attr *attr, |
Jiri Pirko | 7ea6eb3 | 2015-09-24 10:02:41 +0200 | [diff] [blame] | 286 | struct switchdev_trans *trans) |
Scott Feldman | 3563606 | 2015-05-10 09:47:51 -0700 | [diff] [blame] | 287 | { |
Vivien Didelot | fd36454 | 2017-05-19 17:00:36 -0400 | [diff] [blame] | 288 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 289 | struct dsa_port *dp = p->dp; |
Vivien Didelot | b8d866a | 2015-09-29 12:38:36 -0400 | [diff] [blame] | 290 | int ret; |
Scott Feldman | 3563606 | 2015-05-10 09:47:51 -0700 | [diff] [blame] | 291 | |
| 292 | switch (attr->id) { |
Jiri Pirko | 1f86839 | 2015-10-01 11:03:42 +0200 | [diff] [blame] | 293 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: |
Vivien Didelot | fd36454 | 2017-05-19 17:00:36 -0400 | [diff] [blame] | 294 | ret = dsa_port_set_state(dp, attr->u.stp_state, trans); |
Scott Feldman | 3563606 | 2015-05-10 09:47:51 -0700 | [diff] [blame] | 295 | break; |
Vivien Didelot | fb2daba | 2016-02-26 13:16:00 -0500 | [diff] [blame] | 296 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
Vivien Didelot | c02c417 | 2017-05-19 17:00:42 -0400 | [diff] [blame] | 297 | ret = dsa_port_vlan_filtering(dp, attr->u.vlan_filtering, |
| 298 | trans); |
Vivien Didelot | fb2daba | 2016-02-26 13:16:00 -0500 | [diff] [blame] | 299 | break; |
Vivien Didelot | 34a79f6 | 2016-07-18 20:45:38 -0400 | [diff] [blame] | 300 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: |
Vivien Didelot | 072bb19 | 2017-05-19 17:00:43 -0400 | [diff] [blame] | 301 | ret = dsa_port_ageing_time(dp, attr->u.ageing_time, trans); |
Vivien Didelot | 34a79f6 | 2016-07-18 20:45:38 -0400 | [diff] [blame] | 302 | break; |
Scott Feldman | 3563606 | 2015-05-10 09:47:51 -0700 | [diff] [blame] | 303 | default: |
| 304 | ret = -EOPNOTSUPP; |
| 305 | break; |
| 306 | } |
| 307 | |
| 308 | return ret; |
| 309 | } |
| 310 | |
Vivien Didelot | ba14d9e | 2015-08-10 09:09:53 -0400 | [diff] [blame] | 311 | static int dsa_slave_port_obj_add(struct net_device *dev, |
Jiri Pirko | 648b4a9 | 2015-10-01 11:03:45 +0200 | [diff] [blame] | 312 | const struct switchdev_obj *obj, |
Jiri Pirko | 7ea6eb3 | 2015-09-24 10:02:41 +0200 | [diff] [blame] | 313 | struct switchdev_trans *trans) |
Vivien Didelot | ba14d9e | 2015-08-10 09:09:53 -0400 | [diff] [blame] | 314 | { |
Vivien Didelot | 3fdb023 | 2017-05-19 17:00:39 -0400 | [diff] [blame] | 315 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 316 | struct dsa_port *dp = p->dp; |
Vivien Didelot | ba14d9e | 2015-08-10 09:09:53 -0400 | [diff] [blame] | 317 | int err; |
| 318 | |
| 319 | /* For the prepare phase, ensure the full set of changes is feasable in |
| 320 | * one go in order to signal a failure properly. If an operation is not |
| 321 | * supported, return -EOPNOTSUPP. |
| 322 | */ |
| 323 | |
Jiri Pirko | 9e8f4a5 | 2015-10-01 11:03:46 +0200 | [diff] [blame] | 324 | switch (obj->id) { |
Vivien Didelot | 8df3025 | 2016-08-31 11:50:03 -0400 | [diff] [blame] | 325 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
Vivien Didelot | bcebb97 | 2017-05-19 17:00:40 -0400 | [diff] [blame] | 326 | err = dsa_port_mdb_add(dp, SWITCHDEV_OBJ_PORT_MDB(obj), trans); |
Vivien Didelot | 8df3025 | 2016-08-31 11:50:03 -0400 | [diff] [blame] | 327 | break; |
Jiri Pirko | 57d8083 | 2015-10-01 11:03:41 +0200 | [diff] [blame] | 328 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
Vivien Didelot | 01676d1 | 2017-05-19 17:00:41 -0400 | [diff] [blame] | 329 | err = dsa_port_vlan_add(dp, SWITCHDEV_OBJ_PORT_VLAN(obj), |
| 330 | trans); |
Vivien Didelot | 1114953 | 2015-08-13 12:52:17 -0400 | [diff] [blame] | 331 | break; |
Vivien Didelot | ba14d9e | 2015-08-10 09:09:53 -0400 | [diff] [blame] | 332 | default: |
| 333 | err = -EOPNOTSUPP; |
| 334 | break; |
| 335 | } |
| 336 | |
| 337 | return err; |
| 338 | } |
| 339 | |
| 340 | static int dsa_slave_port_obj_del(struct net_device *dev, |
Jiri Pirko | 648b4a9 | 2015-10-01 11:03:45 +0200 | [diff] [blame] | 341 | const struct switchdev_obj *obj) |
Vivien Didelot | ba14d9e | 2015-08-10 09:09:53 -0400 | [diff] [blame] | 342 | { |
Vivien Didelot | 3fdb023 | 2017-05-19 17:00:39 -0400 | [diff] [blame] | 343 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 344 | struct dsa_port *dp = p->dp; |
Vivien Didelot | ba14d9e | 2015-08-10 09:09:53 -0400 | [diff] [blame] | 345 | int err; |
| 346 | |
Jiri Pirko | 9e8f4a5 | 2015-10-01 11:03:46 +0200 | [diff] [blame] | 347 | switch (obj->id) { |
Vivien Didelot | 8df3025 | 2016-08-31 11:50:03 -0400 | [diff] [blame] | 348 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
Vivien Didelot | bcebb97 | 2017-05-19 17:00:40 -0400 | [diff] [blame] | 349 | err = dsa_port_mdb_del(dp, SWITCHDEV_OBJ_PORT_MDB(obj)); |
Vivien Didelot | 8df3025 | 2016-08-31 11:50:03 -0400 | [diff] [blame] | 350 | break; |
Jiri Pirko | 57d8083 | 2015-10-01 11:03:41 +0200 | [diff] [blame] | 351 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
Vivien Didelot | 01676d1 | 2017-05-19 17:00:41 -0400 | [diff] [blame] | 352 | err = dsa_port_vlan_del(dp, SWITCHDEV_OBJ_PORT_VLAN(obj)); |
Vivien Didelot | 1114953 | 2015-08-13 12:52:17 -0400 | [diff] [blame] | 353 | break; |
Vivien Didelot | ba14d9e | 2015-08-10 09:09:53 -0400 | [diff] [blame] | 354 | default: |
| 355 | err = -EOPNOTSUPP; |
| 356 | break; |
| 357 | } |
| 358 | |
| 359 | return err; |
| 360 | } |
| 361 | |
Scott Feldman | f8e20a9 | 2015-05-10 09:47:49 -0700 | [diff] [blame] | 362 | static int dsa_slave_port_attr_get(struct net_device *dev, |
| 363 | struct switchdev_attr *attr) |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 364 | { |
| 365 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 366 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 367 | |
Scott Feldman | f8e20a9 | 2015-05-10 09:47:49 -0700 | [diff] [blame] | 368 | switch (attr->id) { |
Jiri Pirko | 1f86839 | 2015-10-01 11:03:42 +0200 | [diff] [blame] | 369 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: |
Scott Feldman | 42275bd | 2015-05-13 11:16:50 -0700 | [diff] [blame] | 370 | attr->u.ppid.id_len = sizeof(ds->index); |
| 371 | memcpy(&attr->u.ppid.id, &ds->index, attr->u.ppid.id_len); |
Scott Feldman | f8e20a9 | 2015-05-10 09:47:49 -0700 | [diff] [blame] | 372 | break; |
Arkadi Sharshevsky | c9e2105 | 2017-08-06 16:15:44 +0300 | [diff] [blame] | 373 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT: |
| 374 | attr->u.brport_flags_support = 0; |
| 375 | break; |
Scott Feldman | f8e20a9 | 2015-05-10 09:47:49 -0700 | [diff] [blame] | 376 | default: |
| 377 | return -EOPNOTSUPP; |
| 378 | } |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 379 | |
| 380 | return 0; |
| 381 | } |
| 382 | |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 383 | static inline netdev_tx_t dsa_slave_netpoll_send_skb(struct net_device *dev, |
| 384 | struct sk_buff *skb) |
Florian Fainelli | 04ff53f | 2015-07-31 11:42:57 -0700 | [diff] [blame] | 385 | { |
| 386 | #ifdef CONFIG_NET_POLL_CONTROLLER |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 387 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 388 | |
Florian Fainelli | 04ff53f | 2015-07-31 11:42:57 -0700 | [diff] [blame] | 389 | if (p->netpoll) |
| 390 | netpoll_send_skb(p->netpoll, skb); |
| 391 | #else |
| 392 | BUG(); |
| 393 | #endif |
| 394 | return NETDEV_TX_OK; |
| 395 | } |
| 396 | |
Florian Fainelli | 3e8a72d | 2014-08-27 17:04:46 -0700 | [diff] [blame] | 397 | static netdev_tx_t dsa_slave_xmit(struct sk_buff *skb, struct net_device *dev) |
| 398 | { |
| 399 | struct dsa_slave_priv *p = netdev_priv(dev); |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 400 | struct pcpu_sw_netstats *s; |
Florian Fainelli | 4ed70ce | 2015-07-31 11:42:56 -0700 | [diff] [blame] | 401 | struct sk_buff *nskb; |
Florian Fainelli | 3e8a72d | 2014-08-27 17:04:46 -0700 | [diff] [blame] | 402 | |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 403 | s = this_cpu_ptr(p->stats64); |
| 404 | u64_stats_update_begin(&s->syncp); |
| 405 | s->tx_packets++; |
| 406 | s->tx_bytes += skb->len; |
| 407 | u64_stats_update_end(&s->syncp); |
Florian Fainelli | 3e8a72d | 2014-08-27 17:04:46 -0700 | [diff] [blame] | 408 | |
Vivien Didelot | fe47d56 | 2017-06-01 16:07:15 -0400 | [diff] [blame] | 409 | /* Transmit function may have to reallocate the original SKB, |
| 410 | * in which case it must have freed it. Only free it here on error. |
| 411 | */ |
Florian Fainelli | 4ed70ce | 2015-07-31 11:42:56 -0700 | [diff] [blame] | 412 | nskb = p->xmit(skb, dev); |
Vivien Didelot | fe47d56 | 2017-06-01 16:07:15 -0400 | [diff] [blame] | 413 | if (!nskb) { |
| 414 | kfree_skb(skb); |
Florian Fainelli | 4ed70ce | 2015-07-31 11:42:56 -0700 | [diff] [blame] | 415 | return NETDEV_TX_OK; |
Vivien Didelot | fe47d56 | 2017-06-01 16:07:15 -0400 | [diff] [blame] | 416 | } |
Florian Fainelli | 5aed85c | 2014-08-27 17:04:52 -0700 | [diff] [blame] | 417 | |
Florian Fainelli | 04ff53f | 2015-07-31 11:42:57 -0700 | [diff] [blame] | 418 | /* SKB for netpoll still need to be mangled with the protocol-specific |
| 419 | * tag to be successfully transmitted |
| 420 | */ |
| 421 | if (unlikely(netpoll_tx_running(dev))) |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 422 | return dsa_slave_netpoll_send_skb(dev, nskb); |
Florian Fainelli | 04ff53f | 2015-07-31 11:42:57 -0700 | [diff] [blame] | 423 | |
Florian Fainelli | 4ed70ce | 2015-07-31 11:42:56 -0700 | [diff] [blame] | 424 | /* Queue the SKB for transmission on the parent interface, but |
| 425 | * do not modify its EtherType |
| 426 | */ |
Florian Fainelli | 6d3c8c0 | 2017-06-13 13:27:19 -0700 | [diff] [blame] | 427 | nskb->dev = dsa_master_netdev(p); |
Florian Fainelli | 4ed70ce | 2015-07-31 11:42:56 -0700 | [diff] [blame] | 428 | dev_queue_xmit(nskb); |
Florian Fainelli | 5aed85c | 2014-08-27 17:04:52 -0700 | [diff] [blame] | 429 | |
| 430 | return NETDEV_TX_OK; |
| 431 | } |
| 432 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 433 | /* ethtool operations *******************************************************/ |
| 434 | static int |
Philippe Reynes | bb10bb3 | 2016-10-09 17:00:53 +0200 | [diff] [blame] | 435 | dsa_slave_get_link_ksettings(struct net_device *dev, |
| 436 | struct ethtool_link_ksettings *cmd) |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 437 | { |
| 438 | struct dsa_slave_priv *p = netdev_priv(dev); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 439 | |
yuval.shaia@oracle.com | 5514174 | 2017-06-13 10:09:46 +0300 | [diff] [blame] | 440 | if (!p->phy) |
| 441 | return -EOPNOTSUPP; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 442 | |
yuval.shaia@oracle.com | 5514174 | 2017-06-13 10:09:46 +0300 | [diff] [blame] | 443 | phy_ethtool_ksettings_get(p->phy, cmd); |
| 444 | |
| 445 | return 0; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | static int |
Philippe Reynes | bb10bb3 | 2016-10-09 17:00:53 +0200 | [diff] [blame] | 449 | dsa_slave_set_link_ksettings(struct net_device *dev, |
| 450 | const struct ethtool_link_ksettings *cmd) |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 451 | { |
| 452 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 453 | |
| 454 | if (p->phy != NULL) |
Philippe Reynes | bb10bb3 | 2016-10-09 17:00:53 +0200 | [diff] [blame] | 455 | return phy_ethtool_ksettings_set(p->phy, cmd); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 456 | |
| 457 | return -EOPNOTSUPP; |
| 458 | } |
| 459 | |
| 460 | static void dsa_slave_get_drvinfo(struct net_device *dev, |
| 461 | struct ethtool_drvinfo *drvinfo) |
| 462 | { |
Jiri Pirko | 7826d43 | 2013-01-06 00:44:26 +0000 | [diff] [blame] | 463 | strlcpy(drvinfo->driver, "dsa", sizeof(drvinfo->driver)); |
Jiri Pirko | 7826d43 | 2013-01-06 00:44:26 +0000 | [diff] [blame] | 464 | strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); |
| 465 | strlcpy(drvinfo->bus_info, "platform", sizeof(drvinfo->bus_info)); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 466 | } |
| 467 | |
Guenter Roeck | 3d762a0 | 2014-10-29 10:45:04 -0700 | [diff] [blame] | 468 | static int dsa_slave_get_regs_len(struct net_device *dev) |
| 469 | { |
| 470 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 471 | struct dsa_switch *ds = p->dp->ds; |
Guenter Roeck | 3d762a0 | 2014-10-29 10:45:04 -0700 | [diff] [blame] | 472 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 473 | if (ds->ops->get_regs_len) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 474 | return ds->ops->get_regs_len(ds, p->dp->index); |
Guenter Roeck | 3d762a0 | 2014-10-29 10:45:04 -0700 | [diff] [blame] | 475 | |
| 476 | return -EOPNOTSUPP; |
| 477 | } |
| 478 | |
| 479 | static void |
| 480 | dsa_slave_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p) |
| 481 | { |
| 482 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 483 | struct dsa_switch *ds = p->dp->ds; |
Guenter Roeck | 3d762a0 | 2014-10-29 10:45:04 -0700 | [diff] [blame] | 484 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 485 | if (ds->ops->get_regs) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 486 | ds->ops->get_regs(ds, p->dp->index, regs, _p); |
Guenter Roeck | 3d762a0 | 2014-10-29 10:45:04 -0700 | [diff] [blame] | 487 | } |
| 488 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 489 | static int dsa_slave_nway_reset(struct net_device *dev) |
| 490 | { |
| 491 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 492 | |
| 493 | if (p->phy != NULL) |
| 494 | return genphy_restart_aneg(p->phy); |
| 495 | |
| 496 | return -EOPNOTSUPP; |
| 497 | } |
| 498 | |
| 499 | static u32 dsa_slave_get_link(struct net_device *dev) |
| 500 | { |
| 501 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 502 | |
| 503 | if (p->phy != NULL) { |
| 504 | genphy_update_link(p->phy); |
| 505 | return p->phy->link; |
| 506 | } |
| 507 | |
| 508 | return -EOPNOTSUPP; |
| 509 | } |
| 510 | |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 511 | static int dsa_slave_get_eeprom_len(struct net_device *dev) |
| 512 | { |
| 513 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 514 | struct dsa_switch *ds = p->dp->ds; |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 515 | |
Andrew Lunn | 0e57604 | 2016-06-04 21:16:52 +0200 | [diff] [blame] | 516 | if (ds->cd && ds->cd->eeprom_len) |
Andrew Lunn | ff04955 | 2016-05-10 23:27:24 +0200 | [diff] [blame] | 517 | return ds->cd->eeprom_len; |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 518 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 519 | if (ds->ops->get_eeprom_len) |
| 520 | return ds->ops->get_eeprom_len(ds); |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 521 | |
| 522 | return 0; |
| 523 | } |
| 524 | |
| 525 | static int dsa_slave_get_eeprom(struct net_device *dev, |
| 526 | struct ethtool_eeprom *eeprom, u8 *data) |
| 527 | { |
| 528 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 529 | struct dsa_switch *ds = p->dp->ds; |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 530 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 531 | if (ds->ops->get_eeprom) |
| 532 | return ds->ops->get_eeprom(ds, eeprom, data); |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 533 | |
| 534 | return -EOPNOTSUPP; |
| 535 | } |
| 536 | |
| 537 | static int dsa_slave_set_eeprom(struct net_device *dev, |
| 538 | struct ethtool_eeprom *eeprom, u8 *data) |
| 539 | { |
| 540 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 541 | struct dsa_switch *ds = p->dp->ds; |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 542 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 543 | if (ds->ops->set_eeprom) |
| 544 | return ds->ops->set_eeprom(ds, eeprom, data); |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 545 | |
| 546 | return -EOPNOTSUPP; |
| 547 | } |
| 548 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 549 | static void dsa_slave_get_strings(struct net_device *dev, |
| 550 | uint32_t stringset, uint8_t *data) |
| 551 | { |
| 552 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 553 | struct dsa_switch *ds = p->dp->ds; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 554 | |
| 555 | if (stringset == ETH_SS_STATS) { |
| 556 | int len = ETH_GSTRING_LEN; |
| 557 | |
| 558 | strncpy(data, "tx_packets", len); |
| 559 | strncpy(data + len, "tx_bytes", len); |
| 560 | strncpy(data + 2 * len, "rx_packets", len); |
| 561 | strncpy(data + 3 * len, "rx_bytes", len); |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 562 | if (ds->ops->get_strings) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 563 | ds->ops->get_strings(ds, p->dp->index, data + 4 * len); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 564 | } |
| 565 | } |
| 566 | |
| 567 | static void dsa_slave_get_ethtool_stats(struct net_device *dev, |
| 568 | struct ethtool_stats *stats, |
| 569 | uint64_t *data) |
| 570 | { |
| 571 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 572 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 573 | struct pcpu_sw_netstats *s; |
Florian Fainelli | f613ed6 | 2017-08-01 15:00:36 -0700 | [diff] [blame] | 574 | unsigned int start; |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 575 | int i; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 576 | |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 577 | for_each_possible_cpu(i) { |
| 578 | u64 tx_packets, tx_bytes, rx_packets, rx_bytes; |
| 579 | |
| 580 | s = per_cpu_ptr(p->stats64, i); |
| 581 | do { |
| 582 | start = u64_stats_fetch_begin_irq(&s->syncp); |
| 583 | tx_packets = s->tx_packets; |
| 584 | tx_bytes = s->tx_bytes; |
| 585 | rx_packets = s->rx_packets; |
| 586 | rx_bytes = s->rx_bytes; |
| 587 | } while (u64_stats_fetch_retry_irq(&s->syncp, start)); |
| 588 | data[0] += tx_packets; |
| 589 | data[1] += tx_bytes; |
| 590 | data[2] += rx_packets; |
| 591 | data[3] += rx_bytes; |
| 592 | } |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 593 | if (ds->ops->get_ethtool_stats) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 594 | ds->ops->get_ethtool_stats(ds, p->dp->index, data + 4); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 595 | } |
| 596 | |
| 597 | static int dsa_slave_get_sset_count(struct net_device *dev, int sset) |
| 598 | { |
| 599 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 600 | struct dsa_switch *ds = p->dp->ds; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 601 | |
| 602 | if (sset == ETH_SS_STATS) { |
| 603 | int count; |
| 604 | |
| 605 | count = 4; |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 606 | if (ds->ops->get_sset_count) |
| 607 | count += ds->ops->get_sset_count(ds); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 608 | |
| 609 | return count; |
| 610 | } |
| 611 | |
| 612 | return -EOPNOTSUPP; |
| 613 | } |
| 614 | |
Florian Fainelli | 19e57c4 | 2014-09-18 17:31:24 -0700 | [diff] [blame] | 615 | static void dsa_slave_get_wol(struct net_device *dev, struct ethtool_wolinfo *w) |
| 616 | { |
| 617 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 618 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | 19e57c4 | 2014-09-18 17:31:24 -0700 | [diff] [blame] | 619 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 620 | if (ds->ops->get_wol) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 621 | ds->ops->get_wol(ds, p->dp->index, w); |
Florian Fainelli | 19e57c4 | 2014-09-18 17:31:24 -0700 | [diff] [blame] | 622 | } |
| 623 | |
| 624 | static int dsa_slave_set_wol(struct net_device *dev, struct ethtool_wolinfo *w) |
| 625 | { |
| 626 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 627 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | 19e57c4 | 2014-09-18 17:31:24 -0700 | [diff] [blame] | 628 | int ret = -EOPNOTSUPP; |
| 629 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 630 | if (ds->ops->set_wol) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 631 | ret = ds->ops->set_wol(ds, p->dp->index, w); |
Florian Fainelli | 19e57c4 | 2014-09-18 17:31:24 -0700 | [diff] [blame] | 632 | |
| 633 | return ret; |
| 634 | } |
| 635 | |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 636 | static int dsa_slave_set_eee(struct net_device *dev, struct ethtool_eee *e) |
| 637 | { |
| 638 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 639 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 640 | int ret; |
| 641 | |
Vivien Didelot | 7b9cc73 | 2017-08-01 16:32:31 -0400 | [diff] [blame] | 642 | /* Port's PHY and MAC both need to be EEE capable */ |
| 643 | if (!p->phy) |
| 644 | return -ENODEV; |
| 645 | |
Vivien Didelot | 08f5006 | 2017-08-01 16:32:41 -0400 | [diff] [blame] | 646 | if (!ds->ops->set_mac_eee) |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 647 | return -EOPNOTSUPP; |
| 648 | |
Vivien Didelot | 08f5006 | 2017-08-01 16:32:41 -0400 | [diff] [blame] | 649 | ret = ds->ops->set_mac_eee(ds, p->dp->index, e); |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 650 | if (ret) |
| 651 | return ret; |
| 652 | |
Vivien Didelot | c48f7eb | 2017-08-01 16:32:38 -0400 | [diff] [blame] | 653 | if (e->eee_enabled) { |
| 654 | ret = phy_init_eee(p->phy, 0); |
| 655 | if (ret) |
| 656 | return ret; |
| 657 | } |
| 658 | |
Vivien Didelot | 7b9cc73 | 2017-08-01 16:32:31 -0400 | [diff] [blame] | 659 | return phy_ethtool_set_eee(p->phy, e); |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | static int dsa_slave_get_eee(struct net_device *dev, struct ethtool_eee *e) |
| 663 | { |
| 664 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 665 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 666 | int ret; |
| 667 | |
Vivien Didelot | 7b9cc73 | 2017-08-01 16:32:31 -0400 | [diff] [blame] | 668 | /* Port's PHY and MAC both need to be EEE capable */ |
| 669 | if (!p->phy) |
| 670 | return -ENODEV; |
| 671 | |
Vivien Didelot | 08f5006 | 2017-08-01 16:32:41 -0400 | [diff] [blame] | 672 | if (!ds->ops->get_mac_eee) |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 673 | return -EOPNOTSUPP; |
| 674 | |
Vivien Didelot | 08f5006 | 2017-08-01 16:32:41 -0400 | [diff] [blame] | 675 | ret = ds->ops->get_mac_eee(ds, p->dp->index, e); |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 676 | if (ret) |
| 677 | return ret; |
| 678 | |
Vivien Didelot | 7b9cc73 | 2017-08-01 16:32:31 -0400 | [diff] [blame] | 679 | return phy_ethtool_get_eee(p->phy, e); |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 680 | } |
| 681 | |
Florian Fainelli | 04ff53f | 2015-07-31 11:42:57 -0700 | [diff] [blame] | 682 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 683 | static int dsa_slave_netpoll_setup(struct net_device *dev, |
| 684 | struct netpoll_info *ni) |
| 685 | { |
| 686 | struct dsa_slave_priv *p = netdev_priv(dev); |
Florian Fainelli | 6d3c8c0 | 2017-06-13 13:27:19 -0700 | [diff] [blame] | 687 | struct net_device *master = dsa_master_netdev(p); |
Florian Fainelli | 04ff53f | 2015-07-31 11:42:57 -0700 | [diff] [blame] | 688 | struct netpoll *netpoll; |
| 689 | int err = 0; |
| 690 | |
| 691 | netpoll = kzalloc(sizeof(*netpoll), GFP_KERNEL); |
| 692 | if (!netpoll) |
| 693 | return -ENOMEM; |
| 694 | |
| 695 | err = __netpoll_setup(netpoll, master); |
| 696 | if (err) { |
| 697 | kfree(netpoll); |
| 698 | goto out; |
| 699 | } |
| 700 | |
| 701 | p->netpoll = netpoll; |
| 702 | out: |
| 703 | return err; |
| 704 | } |
| 705 | |
| 706 | static void dsa_slave_netpoll_cleanup(struct net_device *dev) |
| 707 | { |
| 708 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 709 | struct netpoll *netpoll = p->netpoll; |
| 710 | |
| 711 | if (!netpoll) |
| 712 | return; |
| 713 | |
| 714 | p->netpoll = NULL; |
| 715 | |
| 716 | __netpoll_free_async(netpoll); |
| 717 | } |
| 718 | |
| 719 | static void dsa_slave_poll_controller(struct net_device *dev) |
| 720 | { |
| 721 | } |
| 722 | #endif |
| 723 | |
Florian Fainelli | 44bb765 | 2017-01-10 12:32:36 -0800 | [diff] [blame] | 724 | static int dsa_slave_get_phys_port_name(struct net_device *dev, |
| 725 | char *name, size_t len) |
| 726 | { |
| 727 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 728 | |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 729 | if (snprintf(name, len, "p%d", p->dp->index) >= len) |
Florian Fainelli | 44bb765 | 2017-01-10 12:32:36 -0800 | [diff] [blame] | 730 | return -EINVAL; |
Florian Fainelli | 3a543ef | 2016-12-29 14:20:56 -0800 | [diff] [blame] | 731 | |
| 732 | return 0; |
| 733 | } |
| 734 | |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 735 | static struct dsa_mall_tc_entry * |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 736 | dsa_slave_mall_tc_entry_find(struct net_device *dev, unsigned long cookie) |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 737 | { |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 738 | struct dsa_slave_priv *p = netdev_priv(dev); |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 739 | struct dsa_mall_tc_entry *mall_tc_entry; |
| 740 | |
| 741 | list_for_each_entry(mall_tc_entry, &p->mall_tc_list, list) |
| 742 | if (mall_tc_entry->cookie == cookie) |
| 743 | return mall_tc_entry; |
| 744 | |
| 745 | return NULL; |
| 746 | } |
| 747 | |
| 748 | static int dsa_slave_add_cls_matchall(struct net_device *dev, |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 749 | struct tc_cls_matchall_offload *cls, |
| 750 | bool ingress) |
| 751 | { |
| 752 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 753 | struct dsa_mall_tc_entry *mall_tc_entry; |
Jiri Pirko | 5fd9fc4 | 2017-08-07 10:15:29 +0200 | [diff] [blame] | 754 | __be16 protocol = cls->common.protocol; |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 755 | struct dsa_switch *ds = p->dp->ds; |
| 756 | struct net *net = dev_net(dev); |
| 757 | struct dsa_slave_priv *to_p; |
| 758 | struct net_device *to_dev; |
| 759 | const struct tc_action *a; |
| 760 | int err = -EOPNOTSUPP; |
| 761 | LIST_HEAD(actions); |
| 762 | int ifindex; |
| 763 | |
| 764 | if (!ds->ops->port_mirror_add) |
| 765 | return err; |
| 766 | |
Jiri Pirko | 3bcc0ce | 2017-08-04 14:28:58 +0200 | [diff] [blame] | 767 | if (!tcf_exts_has_one_action(cls->exts)) |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 768 | return err; |
| 769 | |
| 770 | tcf_exts_to_list(cls->exts, &actions); |
| 771 | a = list_first_entry(&actions, struct tc_action, list); |
| 772 | |
| 773 | if (is_tcf_mirred_egress_mirror(a) && protocol == htons(ETH_P_ALL)) { |
| 774 | struct dsa_mall_mirror_tc_entry *mirror; |
| 775 | |
| 776 | ifindex = tcf_mirred_ifindex(a); |
| 777 | to_dev = __dev_get_by_index(net, ifindex); |
| 778 | if (!to_dev) |
| 779 | return -EINVAL; |
| 780 | |
| 781 | if (!dsa_slave_dev_check(to_dev)) |
| 782 | return -EOPNOTSUPP; |
| 783 | |
| 784 | mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL); |
| 785 | if (!mall_tc_entry) |
| 786 | return -ENOMEM; |
| 787 | |
| 788 | mall_tc_entry->cookie = cls->cookie; |
| 789 | mall_tc_entry->type = DSA_PORT_MALL_MIRROR; |
| 790 | mirror = &mall_tc_entry->mirror; |
| 791 | |
| 792 | to_p = netdev_priv(to_dev); |
| 793 | |
| 794 | mirror->to_local_port = to_p->dp->index; |
| 795 | mirror->ingress = ingress; |
| 796 | |
| 797 | err = ds->ops->port_mirror_add(ds, p->dp->index, mirror, |
| 798 | ingress); |
| 799 | if (err) { |
| 800 | kfree(mall_tc_entry); |
| 801 | return err; |
| 802 | } |
| 803 | |
| 804 | list_add_tail(&mall_tc_entry->list, &p->mall_tc_list); |
| 805 | } |
| 806 | |
| 807 | return 0; |
| 808 | } |
| 809 | |
| 810 | static void dsa_slave_del_cls_matchall(struct net_device *dev, |
| 811 | struct tc_cls_matchall_offload *cls) |
| 812 | { |
| 813 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 814 | struct dsa_mall_tc_entry *mall_tc_entry; |
| 815 | struct dsa_switch *ds = p->dp->ds; |
| 816 | |
| 817 | if (!ds->ops->port_mirror_del) |
| 818 | return; |
| 819 | |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 820 | mall_tc_entry = dsa_slave_mall_tc_entry_find(dev, cls->cookie); |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 821 | if (!mall_tc_entry) |
| 822 | return; |
| 823 | |
| 824 | list_del(&mall_tc_entry->list); |
| 825 | |
| 826 | switch (mall_tc_entry->type) { |
| 827 | case DSA_PORT_MALL_MIRROR: |
| 828 | ds->ops->port_mirror_del(ds, p->dp->index, |
| 829 | &mall_tc_entry->mirror); |
| 830 | break; |
| 831 | default: |
| 832 | WARN_ON(1); |
| 833 | } |
| 834 | |
| 835 | kfree(mall_tc_entry); |
| 836 | } |
| 837 | |
Jiri Pirko | 3fbae38 | 2017-08-07 10:15:26 +0200 | [diff] [blame] | 838 | static int dsa_slave_setup_tc_cls_matchall(struct net_device *dev, |
Jiri Pirko | 3fbae38 | 2017-08-07 10:15:26 +0200 | [diff] [blame] | 839 | struct tc_cls_matchall_offload *cls) |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 840 | { |
Jiri Pirko | a2e8da9 | 2017-08-09 14:30:33 +0200 | [diff] [blame] | 841 | bool ingress; |
| 842 | |
| 843 | if (is_classid_clsact_ingress(cls->common.classid)) |
| 844 | ingress = true; |
| 845 | else if (is_classid_clsact_egress(cls->common.classid)) |
| 846 | ingress = false; |
| 847 | else |
| 848 | return -EOPNOTSUPP; |
Jiri Pirko | a5fcf8a | 2017-06-06 17:00:16 +0200 | [diff] [blame] | 849 | |
Jiri Pirko | 5fd9fc4 | 2017-08-07 10:15:29 +0200 | [diff] [blame] | 850 | if (cls->common.chain_index) |
Jiri Pirko | a5fcf8a | 2017-06-06 17:00:16 +0200 | [diff] [blame] | 851 | return -EOPNOTSUPP; |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 852 | |
Jiri Pirko | 3fbae38 | 2017-08-07 10:15:26 +0200 | [diff] [blame] | 853 | switch (cls->command) { |
| 854 | case TC_CLSMATCHALL_REPLACE: |
Jiri Pirko | 5fd9fc4 | 2017-08-07 10:15:29 +0200 | [diff] [blame] | 855 | return dsa_slave_add_cls_matchall(dev, cls, ingress); |
Jiri Pirko | 3fbae38 | 2017-08-07 10:15:26 +0200 | [diff] [blame] | 856 | case TC_CLSMATCHALL_DESTROY: |
| 857 | dsa_slave_del_cls_matchall(dev, cls); |
| 858 | return 0; |
| 859 | default: |
| 860 | return -EOPNOTSUPP; |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | static int dsa_slave_setup_tc(struct net_device *dev, enum tc_setup_type type, |
Jiri Pirko | de4784c | 2017-08-07 10:15:32 +0200 | [diff] [blame] | 865 | void *type_data) |
Jiri Pirko | 3fbae38 | 2017-08-07 10:15:26 +0200 | [diff] [blame] | 866 | { |
Jiri Pirko | 2572ac5 | 2017-08-07 10:15:17 +0200 | [diff] [blame] | 867 | switch (type) { |
Jiri Pirko | ade9b65 | 2017-08-07 10:15:18 +0200 | [diff] [blame] | 868 | case TC_SETUP_CLSMATCHALL: |
Jiri Pirko | de4784c | 2017-08-07 10:15:32 +0200 | [diff] [blame] | 869 | return dsa_slave_setup_tc_cls_matchall(dev, type_data); |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 870 | default: |
Jiri Pirko | a5fcf8a | 2017-06-06 17:00:16 +0200 | [diff] [blame] | 871 | return -EOPNOTSUPP; |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 872 | } |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 873 | } |
| 874 | |
Florian Fainelli | f613ed6 | 2017-08-01 15:00:36 -0700 | [diff] [blame] | 875 | static void dsa_slave_get_stats64(struct net_device *dev, |
| 876 | struct rtnl_link_stats64 *stats) |
| 877 | { |
| 878 | struct dsa_slave_priv *p = netdev_priv(dev); |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 879 | struct pcpu_sw_netstats *s; |
Florian Fainelli | f613ed6 | 2017-08-01 15:00:36 -0700 | [diff] [blame] | 880 | unsigned int start; |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 881 | int i; |
Florian Fainelli | f613ed6 | 2017-08-01 15:00:36 -0700 | [diff] [blame] | 882 | |
| 883 | netdev_stats_to_stats64(stats, &dev->stats); |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 884 | for_each_possible_cpu(i) { |
| 885 | u64 tx_packets, tx_bytes, rx_packets, rx_bytes; |
| 886 | |
| 887 | s = per_cpu_ptr(p->stats64, i); |
| 888 | do { |
| 889 | start = u64_stats_fetch_begin_irq(&s->syncp); |
| 890 | tx_packets = s->tx_packets; |
| 891 | tx_bytes = s->tx_bytes; |
| 892 | rx_packets = s->rx_packets; |
| 893 | rx_bytes = s->rx_bytes; |
| 894 | } while (u64_stats_fetch_retry_irq(&s->syncp, start)); |
| 895 | |
| 896 | stats->tx_packets += tx_packets; |
| 897 | stats->tx_bytes += tx_bytes; |
| 898 | stats->rx_packets += rx_packets; |
| 899 | stats->rx_bytes += rx_bytes; |
| 900 | } |
Florian Fainelli | f613ed6 | 2017-08-01 15:00:36 -0700 | [diff] [blame] | 901 | } |
| 902 | |
Florian Fainelli | bf9f264 | 2017-01-30 09:48:40 -0800 | [diff] [blame] | 903 | static int dsa_slave_get_rxnfc(struct net_device *dev, |
| 904 | struct ethtool_rxnfc *nfc, u32 *rule_locs) |
| 905 | { |
| 906 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 907 | struct dsa_switch *ds = p->dp->ds; |
| 908 | |
| 909 | if (!ds->ops->get_rxnfc) |
| 910 | return -EOPNOTSUPP; |
| 911 | |
| 912 | return ds->ops->get_rxnfc(ds, p->dp->index, nfc, rule_locs); |
| 913 | } |
| 914 | |
| 915 | static int dsa_slave_set_rxnfc(struct net_device *dev, |
| 916 | struct ethtool_rxnfc *nfc) |
| 917 | { |
| 918 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 919 | struct dsa_switch *ds = p->dp->ds; |
| 920 | |
| 921 | if (!ds->ops->set_rxnfc) |
| 922 | return -EOPNOTSUPP; |
| 923 | |
| 924 | return ds->ops->set_rxnfc(ds, p->dp->index, nfc); |
| 925 | } |
| 926 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 927 | static const struct ethtool_ops dsa_slave_ethtool_ops = { |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 928 | .get_drvinfo = dsa_slave_get_drvinfo, |
Guenter Roeck | 3d762a0 | 2014-10-29 10:45:04 -0700 | [diff] [blame] | 929 | .get_regs_len = dsa_slave_get_regs_len, |
| 930 | .get_regs = dsa_slave_get_regs, |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 931 | .nway_reset = dsa_slave_nway_reset, |
| 932 | .get_link = dsa_slave_get_link, |
Guenter Roeck | 6793abb | 2014-10-29 10:45:01 -0700 | [diff] [blame] | 933 | .get_eeprom_len = dsa_slave_get_eeprom_len, |
| 934 | .get_eeprom = dsa_slave_get_eeprom, |
| 935 | .set_eeprom = dsa_slave_set_eeprom, |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 936 | .get_strings = dsa_slave_get_strings, |
| 937 | .get_ethtool_stats = dsa_slave_get_ethtool_stats, |
| 938 | .get_sset_count = dsa_slave_get_sset_count, |
Florian Fainelli | 19e57c4 | 2014-09-18 17:31:24 -0700 | [diff] [blame] | 939 | .set_wol = dsa_slave_set_wol, |
| 940 | .get_wol = dsa_slave_get_wol, |
Florian Fainelli | 7905288 | 2014-09-24 17:05:21 -0700 | [diff] [blame] | 941 | .set_eee = dsa_slave_set_eee, |
| 942 | .get_eee = dsa_slave_get_eee, |
Philippe Reynes | bb10bb3 | 2016-10-09 17:00:53 +0200 | [diff] [blame] | 943 | .get_link_ksettings = dsa_slave_get_link_ksettings, |
| 944 | .set_link_ksettings = dsa_slave_set_link_ksettings, |
Florian Fainelli | bf9f264 | 2017-01-30 09:48:40 -0800 | [diff] [blame] | 945 | .get_rxnfc = dsa_slave_get_rxnfc, |
| 946 | .set_rxnfc = dsa_slave_set_rxnfc, |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 947 | }; |
| 948 | |
Florian Fainelli | 3e8a72d | 2014-08-27 17:04:46 -0700 | [diff] [blame] | 949 | static const struct net_device_ops dsa_slave_netdev_ops = { |
Stephen Hemminger | d442ad4 | 2009-01-06 16:45:26 -0800 | [diff] [blame] | 950 | .ndo_open = dsa_slave_open, |
| 951 | .ndo_stop = dsa_slave_close, |
Florian Fainelli | 3e8a72d | 2014-08-27 17:04:46 -0700 | [diff] [blame] | 952 | .ndo_start_xmit = dsa_slave_xmit, |
Stephen Hemminger | d442ad4 | 2009-01-06 16:45:26 -0800 | [diff] [blame] | 953 | .ndo_change_rx_flags = dsa_slave_change_rx_flags, |
| 954 | .ndo_set_rx_mode = dsa_slave_set_rx_mode, |
Stephen Hemminger | d442ad4 | 2009-01-06 16:45:26 -0800 | [diff] [blame] | 955 | .ndo_set_mac_address = dsa_slave_set_mac_address, |
Arkadi Sharshevsky | 37b8da1 | 2017-08-06 16:15:43 +0300 | [diff] [blame] | 956 | .ndo_fdb_add = dsa_legacy_fdb_add, |
| 957 | .ndo_fdb_del = dsa_legacy_fdb_del, |
Arkadi Sharshevsky | 2bedde1 | 2017-08-06 16:15:49 +0300 | [diff] [blame] | 958 | .ndo_fdb_dump = dsa_slave_fdb_dump, |
Stephen Hemminger | d442ad4 | 2009-01-06 16:45:26 -0800 | [diff] [blame] | 959 | .ndo_do_ioctl = dsa_slave_ioctl, |
Nicolas Dichtel | abd2be0 | 2015-04-02 17:07:08 +0200 | [diff] [blame] | 960 | .ndo_get_iflink = dsa_slave_get_iflink, |
Florian Fainelli | 04ff53f | 2015-07-31 11:42:57 -0700 | [diff] [blame] | 961 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 962 | .ndo_netpoll_setup = dsa_slave_netpoll_setup, |
| 963 | .ndo_netpoll_cleanup = dsa_slave_netpoll_cleanup, |
| 964 | .ndo_poll_controller = dsa_slave_poll_controller, |
| 965 | #endif |
Florian Fainelli | 44bb765 | 2017-01-10 12:32:36 -0800 | [diff] [blame] | 966 | .ndo_get_phys_port_name = dsa_slave_get_phys_port_name, |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 967 | .ndo_setup_tc = dsa_slave_setup_tc, |
Florian Fainelli | f613ed6 | 2017-08-01 15:00:36 -0700 | [diff] [blame] | 968 | .ndo_get_stats64 = dsa_slave_get_stats64, |
Scott Feldman | 98237d4 | 2015-03-15 21:07:15 -0700 | [diff] [blame] | 969 | }; |
| 970 | |
Jiri Pirko | 9d47c0a | 2015-05-10 09:47:47 -0700 | [diff] [blame] | 971 | static const struct switchdev_ops dsa_slave_switchdev_ops = { |
Scott Feldman | f8e20a9 | 2015-05-10 09:47:49 -0700 | [diff] [blame] | 972 | .switchdev_port_attr_get = dsa_slave_port_attr_get, |
Scott Feldman | 3563606 | 2015-05-10 09:47:51 -0700 | [diff] [blame] | 973 | .switchdev_port_attr_set = dsa_slave_port_attr_set, |
Vivien Didelot | ba14d9e | 2015-08-10 09:09:53 -0400 | [diff] [blame] | 974 | .switchdev_port_obj_add = dsa_slave_port_obj_add, |
| 975 | .switchdev_port_obj_del = dsa_slave_port_obj_del, |
Stephen Hemminger | d442ad4 | 2009-01-06 16:45:26 -0800 | [diff] [blame] | 976 | }; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 977 | |
Florian Fainelli | f37db85 | 2015-09-23 18:19:58 -0700 | [diff] [blame] | 978 | static struct device_type dsa_type = { |
| 979 | .name = "dsa", |
| 980 | }; |
| 981 | |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 982 | static void dsa_slave_adjust_link(struct net_device *dev) |
| 983 | { |
| 984 | struct dsa_slave_priv *p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 985 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 986 | unsigned int status_changed = 0; |
| 987 | |
| 988 | if (p->old_link != p->phy->link) { |
| 989 | status_changed = 1; |
| 990 | p->old_link = p->phy->link; |
| 991 | } |
| 992 | |
| 993 | if (p->old_duplex != p->phy->duplex) { |
| 994 | status_changed = 1; |
| 995 | p->old_duplex = p->phy->duplex; |
| 996 | } |
| 997 | |
| 998 | if (p->old_pause != p->phy->pause) { |
| 999 | status_changed = 1; |
| 1000 | p->old_pause = p->phy->pause; |
| 1001 | } |
| 1002 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 1003 | if (ds->ops->adjust_link && status_changed) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1004 | ds->ops->adjust_link(ds, p->dp->index, p->phy); |
Florian Fainelli | ec9436b | 2014-08-27 17:04:53 -0700 | [diff] [blame] | 1005 | |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1006 | if (status_changed) |
| 1007 | phy_print_status(p->phy); |
| 1008 | } |
| 1009 | |
Florian Fainelli | ce31b31 | 2014-08-27 17:04:54 -0700 | [diff] [blame] | 1010 | static int dsa_slave_fixed_link_update(struct net_device *dev, |
| 1011 | struct fixed_phy_status *status) |
| 1012 | { |
Andrew Lunn | b71be35 | 2016-03-12 00:01:37 +0100 | [diff] [blame] | 1013 | struct dsa_slave_priv *p; |
| 1014 | struct dsa_switch *ds; |
Florian Fainelli | ce31b31 | 2014-08-27 17:04:54 -0700 | [diff] [blame] | 1015 | |
Andrew Lunn | b71be35 | 2016-03-12 00:01:37 +0100 | [diff] [blame] | 1016 | if (dev) { |
| 1017 | p = netdev_priv(dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1018 | ds = p->dp->ds; |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 1019 | if (ds->ops->fixed_link_update) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1020 | ds->ops->fixed_link_update(ds, p->dp->index, status); |
Andrew Lunn | b71be35 | 2016-03-12 00:01:37 +0100 | [diff] [blame] | 1021 | } |
Florian Fainelli | ce31b31 | 2014-08-27 17:04:54 -0700 | [diff] [blame] | 1022 | |
| 1023 | return 0; |
| 1024 | } |
| 1025 | |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1026 | /* slave device setup *******************************************************/ |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 1027 | static int dsa_slave_phy_connect(struct net_device *slave_dev, int addr) |
Florian Fainelli | c305c16 | 2015-03-10 16:57:12 -0700 | [diff] [blame] | 1028 | { |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 1029 | struct dsa_slave_priv *p = netdev_priv(slave_dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1030 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | c305c16 | 2015-03-10 16:57:12 -0700 | [diff] [blame] | 1031 | |
Andrew Lunn | 7f85442 | 2016-01-06 20:11:18 +0100 | [diff] [blame] | 1032 | p->phy = mdiobus_get_phy(ds->slave_mii_bus, addr); |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1033 | if (!p->phy) { |
| 1034 | netdev_err(slave_dev, "no phy at %d\n", addr); |
Florian Fainelli | c305c16 | 2015-03-10 16:57:12 -0700 | [diff] [blame] | 1035 | return -ENODEV; |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1036 | } |
Florian Fainelli | c305c16 | 2015-03-10 16:57:12 -0700 | [diff] [blame] | 1037 | |
| 1038 | /* Use already configured phy mode */ |
Florian Fainelli | 211c504 | 2015-08-08 12:58:57 -0700 | [diff] [blame] | 1039 | if (p->phy_interface == PHY_INTERFACE_MODE_NA) |
| 1040 | p->phy_interface = p->phy->interface; |
Florian Fainelli | 4078b76 | 2017-01-20 16:05:05 -0800 | [diff] [blame] | 1041 | return phy_connect_direct(slave_dev, p->phy, dsa_slave_adjust_link, |
| 1042 | p->phy_interface); |
Florian Fainelli | c305c16 | 2015-03-10 16:57:12 -0700 | [diff] [blame] | 1043 | } |
| 1044 | |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 1045 | static int dsa_slave_phy_setup(struct net_device *slave_dev) |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1046 | { |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 1047 | struct dsa_slave_priv *p = netdev_priv(slave_dev); |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1048 | struct dsa_switch *ds = p->dp->ds; |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1049 | struct device_node *phy_dn, *port_dn; |
Florian Fainelli | ce31b31 | 2014-08-27 17:04:54 -0700 | [diff] [blame] | 1050 | bool phy_is_fixed = false; |
Florian Fainelli | 6819563 | 2014-09-19 13:07:54 -0700 | [diff] [blame] | 1051 | u32 phy_flags = 0; |
Guenter Roeck | 1933492 | 2015-02-16 21:23:51 -0800 | [diff] [blame] | 1052 | int mode, ret; |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1053 | |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1054 | port_dn = p->dp->dn; |
Guenter Roeck | 1933492 | 2015-02-16 21:23:51 -0800 | [diff] [blame] | 1055 | mode = of_get_phy_mode(port_dn); |
| 1056 | if (mode < 0) |
| 1057 | mode = PHY_INTERFACE_MODE_NA; |
| 1058 | p->phy_interface = mode; |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1059 | |
| 1060 | phy_dn = of_parse_phandle(port_dn, "phy-handle", 0); |
Johan Hovold | 0d8f3c6 | 2016-11-28 19:24:54 +0100 | [diff] [blame] | 1061 | if (!phy_dn && of_phy_is_fixed_link(port_dn)) { |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1062 | /* In the case of a fixed PHY, the DT node associated |
| 1063 | * to the fixed PHY is the Port DT node |
| 1064 | */ |
| 1065 | ret = of_phy_register_fixed_link(port_dn); |
| 1066 | if (ret) { |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1067 | netdev_err(slave_dev, "failed to register fixed PHY: %d\n", ret); |
Florian Fainelli | 9697f1c | 2014-12-11 12:49:16 -0800 | [diff] [blame] | 1068 | return ret; |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1069 | } |
Florian Fainelli | ce31b31 | 2014-08-27 17:04:54 -0700 | [diff] [blame] | 1070 | phy_is_fixed = true; |
Johan Hovold | 0d8f3c6 | 2016-11-28 19:24:54 +0100 | [diff] [blame] | 1071 | phy_dn = of_node_get(port_dn); |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1072 | } |
| 1073 | |
Vivien Didelot | 9d490b4 | 2016-08-23 12:38:56 -0400 | [diff] [blame] | 1074 | if (ds->ops->get_phy_flags) |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1075 | phy_flags = ds->ops->get_phy_flags(ds, p->dp->index); |
Florian Fainelli | 6819563 | 2014-09-19 13:07:54 -0700 | [diff] [blame] | 1076 | |
Florian Fainelli | cd28a1a | 2015-03-10 16:57:13 -0700 | [diff] [blame] | 1077 | if (phy_dn) { |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1078 | int phy_id = of_mdio_parse_addr(&slave_dev->dev, phy_dn); |
| 1079 | |
Florian Fainelli | cd28a1a | 2015-03-10 16:57:13 -0700 | [diff] [blame] | 1080 | /* If this PHY address is part of phys_mii_mask, which means |
| 1081 | * that we need to divert reads and writes to/from it, then we |
| 1082 | * want to bind this device using the slave MII bus created by |
| 1083 | * DSA to make that happen. |
| 1084 | */ |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1085 | if (!phy_is_fixed && phy_id >= 0 && |
| 1086 | (ds->phys_mii_mask & (1 << phy_id))) { |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 1087 | ret = dsa_slave_phy_connect(slave_dev, phy_id); |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1088 | if (ret) { |
| 1089 | netdev_err(slave_dev, "failed to connect to phy%d: %d\n", phy_id, ret); |
Johan Hovold | 0d8f3c6 | 2016-11-28 19:24:54 +0100 | [diff] [blame] | 1090 | of_node_put(phy_dn); |
Florian Fainelli | cd28a1a | 2015-03-10 16:57:13 -0700 | [diff] [blame] | 1091 | return ret; |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1092 | } |
Florian Fainelli | cd28a1a | 2015-03-10 16:57:13 -0700 | [diff] [blame] | 1093 | } else { |
| 1094 | p->phy = of_phy_connect(slave_dev, phy_dn, |
| 1095 | dsa_slave_adjust_link, |
| 1096 | phy_flags, |
| 1097 | p->phy_interface); |
| 1098 | } |
Johan Hovold | 0d8f3c6 | 2016-11-28 19:24:54 +0100 | [diff] [blame] | 1099 | |
| 1100 | of_node_put(phy_dn); |
Florian Fainelli | cd28a1a | 2015-03-10 16:57:13 -0700 | [diff] [blame] | 1101 | } |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1102 | |
Florian Fainelli | ce31b31 | 2014-08-27 17:04:54 -0700 | [diff] [blame] | 1103 | if (p->phy && phy_is_fixed) |
| 1104 | fixed_phy_set_link_update(p->phy, dsa_slave_fixed_link_update); |
| 1105 | |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1106 | /* We could not connect to a designated PHY, so use the switch internal |
| 1107 | * MDIO bus instead |
| 1108 | */ |
Andrew Lunn | b31f65f | 2014-11-05 19:47:28 +0100 | [diff] [blame] | 1109 | if (!p->phy) { |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 1110 | ret = dsa_slave_phy_connect(slave_dev, p->dp->index); |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1111 | if (ret) { |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1112 | netdev_err(slave_dev, "failed to connect to port %d: %d\n", |
| 1113 | p->dp->index, ret); |
Johan Hovold | 881eada | 2016-11-28 19:25:09 +0100 | [diff] [blame] | 1114 | if (phy_is_fixed) |
| 1115 | of_phy_deregister_fixed_link(port_dn); |
Florian Fainelli | c305c16 | 2015-03-10 16:57:12 -0700 | [diff] [blame] | 1116 | return ret; |
Russell King | d25b8e7 | 2015-10-03 18:09:07 +0100 | [diff] [blame] | 1117 | } |
Andrew Lunn | b31f65f | 2014-11-05 19:47:28 +0100 | [diff] [blame] | 1118 | } |
Florian Fainelli | 9697f1c | 2014-12-11 12:49:16 -0800 | [diff] [blame] | 1119 | |
Andrew Lunn | 2220943 | 2016-01-06 20:11:13 +0100 | [diff] [blame] | 1120 | phy_attached_info(p->phy); |
| 1121 | |
Florian Fainelli | 9697f1c | 2014-12-11 12:49:16 -0800 | [diff] [blame] | 1122 | return 0; |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1123 | } |
| 1124 | |
Andrew Lunn | 448b448 | 2015-05-06 01:09:56 +0200 | [diff] [blame] | 1125 | static struct lock_class_key dsa_slave_netdev_xmit_lock_key; |
| 1126 | static void dsa_slave_set_lockdep_class_one(struct net_device *dev, |
| 1127 | struct netdev_queue *txq, |
| 1128 | void *_unused) |
| 1129 | { |
| 1130 | lockdep_set_class(&txq->_xmit_lock, |
| 1131 | &dsa_slave_netdev_xmit_lock_key); |
| 1132 | } |
| 1133 | |
Florian Fainelli | 2446254 | 2014-09-18 17:31:22 -0700 | [diff] [blame] | 1134 | int dsa_slave_suspend(struct net_device *slave_dev) |
| 1135 | { |
| 1136 | struct dsa_slave_priv *p = netdev_priv(slave_dev); |
| 1137 | |
Florian Fainelli | f154be2 | 2017-01-25 09:10:41 -0800 | [diff] [blame] | 1138 | netif_device_detach(slave_dev); |
| 1139 | |
Florian Fainelli | 2446254 | 2014-09-18 17:31:22 -0700 | [diff] [blame] | 1140 | if (p->phy) { |
| 1141 | phy_stop(p->phy); |
| 1142 | p->old_pause = -1; |
| 1143 | p->old_link = -1; |
| 1144 | p->old_duplex = -1; |
| 1145 | phy_suspend(p->phy); |
| 1146 | } |
| 1147 | |
| 1148 | return 0; |
| 1149 | } |
| 1150 | |
| 1151 | int dsa_slave_resume(struct net_device *slave_dev) |
| 1152 | { |
| 1153 | struct dsa_slave_priv *p = netdev_priv(slave_dev); |
| 1154 | |
| 1155 | netif_device_attach(slave_dev); |
| 1156 | |
| 1157 | if (p->phy) { |
| 1158 | phy_resume(p->phy); |
| 1159 | phy_start(p->phy); |
| 1160 | } |
| 1161 | |
| 1162 | return 0; |
| 1163 | } |
| 1164 | |
Vivien Didelot | 4cfbf09 | 2017-08-05 16:20:19 -0400 | [diff] [blame] | 1165 | int dsa_slave_create(struct dsa_port *port, const char *name) |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1166 | { |
Vivien Didelot | 4cfbf09 | 2017-08-05 16:20:19 -0400 | [diff] [blame] | 1167 | struct dsa_switch *ds = port->ds; |
Florian Fainelli | badf3ad | 2016-04-27 11:45:14 -0700 | [diff] [blame] | 1168 | struct dsa_switch_tree *dst = ds->dst; |
Andrew Lunn | 83c0afa | 2016-06-04 21:17:07 +0200 | [diff] [blame] | 1169 | struct net_device *master; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1170 | struct net_device *slave_dev; |
| 1171 | struct dsa_slave_priv *p; |
Florian Fainelli | a29342e | 2017-06-13 13:27:21 -0700 | [diff] [blame] | 1172 | struct dsa_port *cpu_dp; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1173 | int ret; |
| 1174 | |
Florian Fainelli | a29342e | 2017-06-13 13:27:21 -0700 | [diff] [blame] | 1175 | cpu_dp = ds->dst->cpu_dp; |
| 1176 | master = cpu_dp->netdev; |
Andrew Lunn | 83c0afa | 2016-06-04 21:17:07 +0200 | [diff] [blame] | 1177 | |
Florian Fainelli | 55199df | 2017-09-03 20:27:00 -0700 | [diff] [blame] | 1178 | if (!ds->num_tx_queues) |
| 1179 | ds->num_tx_queues = 1; |
| 1180 | |
| 1181 | slave_dev = alloc_netdev_mqs(sizeof(struct dsa_slave_priv), name, |
| 1182 | NET_NAME_UNKNOWN, ether_setup, |
| 1183 | ds->num_tx_queues, 1); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1184 | if (slave_dev == NULL) |
Guenter Roeck | d87d6f4 | 2015-02-24 13:15:32 -0800 | [diff] [blame] | 1185 | return -ENOMEM; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1186 | |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 1187 | slave_dev->features = master->vlan_features | NETIF_F_HW_TC; |
| 1188 | slave_dev->hw_features |= NETIF_F_HW_TC; |
Wilfried Klaebe | 7ad24ea | 2014-05-11 00:12:32 +0000 | [diff] [blame] | 1189 | slave_dev->ethtool_ops = &dsa_slave_ethtool_ops; |
Bjørn Mork | 2fcc800 | 2013-08-30 18:08:46 +0200 | [diff] [blame] | 1190 | eth_hw_addr_inherit(slave_dev, master); |
Phil Sutter | 0a5f107 | 2015-08-18 10:30:41 +0200 | [diff] [blame] | 1191 | slave_dev->priv_flags |= IFF_NO_QUEUE; |
Florian Fainelli | 3e8a72d | 2014-08-27 17:04:46 -0700 | [diff] [blame] | 1192 | slave_dev->netdev_ops = &dsa_slave_netdev_ops; |
Jiri Pirko | 9d47c0a | 2015-05-10 09:47:47 -0700 | [diff] [blame] | 1193 | slave_dev->switchdev_ops = &dsa_slave_switchdev_ops; |
Jarod Wilson | 8b1efc0 | 2016-10-20 23:25:27 -0400 | [diff] [blame] | 1194 | slave_dev->min_mtu = 0; |
| 1195 | slave_dev->max_mtu = ETH_MAX_MTU; |
Florian Fainelli | f37db85 | 2015-09-23 18:19:58 -0700 | [diff] [blame] | 1196 | SET_NETDEV_DEVTYPE(slave_dev, &dsa_type); |
Stephen Hemminger | d442ad4 | 2009-01-06 16:45:26 -0800 | [diff] [blame] | 1197 | |
Andrew Lunn | 448b448 | 2015-05-06 01:09:56 +0200 | [diff] [blame] | 1198 | netdev_for_each_tx_queue(slave_dev, dsa_slave_set_lockdep_class_one, |
| 1199 | NULL); |
| 1200 | |
Vivien Didelot | 4cfbf09 | 2017-08-05 16:20:19 -0400 | [diff] [blame] | 1201 | SET_NETDEV_DEV(slave_dev, port->ds->dev); |
| 1202 | slave_dev->dev.of_node = port->dn; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1203 | slave_dev->vlan_features = master->vlan_features; |
| 1204 | |
| 1205 | p = netdev_priv(slave_dev); |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 1206 | p->stats64 = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); |
| 1207 | if (!p->stats64) { |
| 1208 | free_netdev(slave_dev); |
| 1209 | return -ENOMEM; |
| 1210 | } |
Vivien Didelot | 4cfbf09 | 2017-08-05 16:20:19 -0400 | [diff] [blame] | 1211 | p->dp = port; |
Florian Fainelli | f50f212 | 2017-01-30 12:41:40 -0800 | [diff] [blame] | 1212 | INIT_LIST_HEAD(&p->mall_tc_list); |
Andrew Lunn | 39a7f2a | 2016-06-04 21:17:03 +0200 | [diff] [blame] | 1213 | p->xmit = dst->tag_ops->xmit; |
Alexander Duyck | 5075314 | 2014-09-15 13:00:19 -0400 | [diff] [blame] | 1214 | |
Florian Fainelli | 0d8bcdd | 2014-08-27 17:04:51 -0700 | [diff] [blame] | 1215 | p->old_pause = -1; |
| 1216 | p->old_link = -1; |
| 1217 | p->old_duplex = -1; |
| 1218 | |
Vivien Didelot | 4cfbf09 | 2017-08-05 16:20:19 -0400 | [diff] [blame] | 1219 | port->netdev = slave_dev; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1220 | ret = register_netdev(slave_dev); |
| 1221 | if (ret) { |
Joe Perches | a2ae600 | 2014-11-09 16:32:46 -0800 | [diff] [blame] | 1222 | netdev_err(master, "error %d registering interface %s\n", |
| 1223 | ret, slave_dev->name); |
Vivien Didelot | 4cfbf09 | 2017-08-05 16:20:19 -0400 | [diff] [blame] | 1224 | port->netdev = NULL; |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 1225 | free_percpu(p->stats64); |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1226 | free_netdev(slave_dev); |
Guenter Roeck | d87d6f4 | 2015-02-24 13:15:32 -0800 | [diff] [blame] | 1227 | return ret; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1228 | } |
| 1229 | |
| 1230 | netif_carrier_off(slave_dev); |
| 1231 | |
Vivien Didelot | 4fa7b71 | 2017-09-20 19:31:57 -0400 | [diff] [blame] | 1232 | ret = dsa_slave_phy_setup(slave_dev); |
Andrew Lunn | 0071f56 | 2016-01-06 20:11:20 +0100 | [diff] [blame] | 1233 | if (ret) { |
| 1234 | netdev_err(master, "error %d setting up slave phy\n", ret); |
Florian Fainelli | 73dcb55 | 2016-02-17 18:43:22 -0800 | [diff] [blame] | 1235 | unregister_netdev(slave_dev); |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 1236 | free_percpu(p->stats64); |
Andrew Lunn | 0071f56 | 2016-01-06 20:11:20 +0100 | [diff] [blame] | 1237 | free_netdev(slave_dev); |
| 1238 | return ret; |
| 1239 | } |
| 1240 | |
Guenter Roeck | d87d6f4 | 2015-02-24 13:15:32 -0800 | [diff] [blame] | 1241 | return 0; |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 1242 | } |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1243 | |
Neil Armstrong | cda5c15 | 2015-12-07 13:57:35 +0100 | [diff] [blame] | 1244 | void dsa_slave_destroy(struct net_device *slave_dev) |
| 1245 | { |
| 1246 | struct dsa_slave_priv *p = netdev_priv(slave_dev); |
Johan Hovold | 881eada | 2016-11-28 19:25:09 +0100 | [diff] [blame] | 1247 | struct device_node *port_dn; |
| 1248 | |
Vivien Didelot | afdcf15 | 2017-01-27 15:29:39 -0500 | [diff] [blame] | 1249 | port_dn = p->dp->dn; |
Neil Armstrong | cda5c15 | 2015-12-07 13:57:35 +0100 | [diff] [blame] | 1250 | |
| 1251 | netif_carrier_off(slave_dev); |
Johan Hovold | 881eada | 2016-11-28 19:25:09 +0100 | [diff] [blame] | 1252 | if (p->phy) { |
Neil Armstrong | cda5c15 | 2015-12-07 13:57:35 +0100 | [diff] [blame] | 1253 | phy_disconnect(p->phy); |
Johan Hovold | 881eada | 2016-11-28 19:25:09 +0100 | [diff] [blame] | 1254 | |
| 1255 | if (of_phy_is_fixed_link(port_dn)) |
| 1256 | of_phy_deregister_fixed_link(port_dn); |
| 1257 | } |
Neil Armstrong | cda5c15 | 2015-12-07 13:57:35 +0100 | [diff] [blame] | 1258 | unregister_netdev(slave_dev); |
Florian Fainelli | 5f6b4e1 | 2017-08-03 21:33:27 -0700 | [diff] [blame] | 1259 | free_percpu(p->stats64); |
Neil Armstrong | cda5c15 | 2015-12-07 13:57:35 +0100 | [diff] [blame] | 1260 | free_netdev(slave_dev); |
| 1261 | } |
| 1262 | |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1263 | static bool dsa_slave_dev_check(struct net_device *dev) |
| 1264 | { |
| 1265 | return dev->netdev_ops == &dsa_slave_netdev_ops; |
| 1266 | } |
| 1267 | |
Vivien Didelot | 8e92ab3 | 2017-02-03 13:20:17 -0500 | [diff] [blame] | 1268 | static int dsa_slave_changeupper(struct net_device *dev, |
| 1269 | struct netdev_notifier_changeupper_info *info) |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1270 | { |
Vivien Didelot | 17d7802 | 2017-05-19 17:00:38 -0400 | [diff] [blame] | 1271 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 1272 | struct dsa_port *dp = p->dp; |
Vivien Didelot | 8e92ab3 | 2017-02-03 13:20:17 -0500 | [diff] [blame] | 1273 | int err = NOTIFY_DONE; |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1274 | |
Vivien Didelot | 8e92ab3 | 2017-02-03 13:20:17 -0500 | [diff] [blame] | 1275 | if (netif_is_bridge_master(info->upper_dev)) { |
| 1276 | if (info->linking) { |
Vivien Didelot | 17d7802 | 2017-05-19 17:00:38 -0400 | [diff] [blame] | 1277 | err = dsa_port_bridge_join(dp, info->upper_dev); |
Vivien Didelot | 8e92ab3 | 2017-02-03 13:20:17 -0500 | [diff] [blame] | 1278 | err = notifier_from_errno(err); |
| 1279 | } else { |
Vivien Didelot | 17d7802 | 2017-05-19 17:00:38 -0400 | [diff] [blame] | 1280 | dsa_port_bridge_leave(dp, info->upper_dev); |
Vivien Didelot | 8e92ab3 | 2017-02-03 13:20:17 -0500 | [diff] [blame] | 1281 | err = NOTIFY_OK; |
Vivien Didelot | 6debb68 | 2016-03-13 16:21:34 -0400 | [diff] [blame] | 1282 | } |
Vivien Didelot | 6debb68 | 2016-03-13 16:21:34 -0400 | [diff] [blame] | 1283 | } |
| 1284 | |
Vivien Didelot | 8e92ab3 | 2017-02-03 13:20:17 -0500 | [diff] [blame] | 1285 | return err; |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1286 | } |
| 1287 | |
Vivien Didelot | 88e4f0c | 2017-02-03 13:20:16 -0500 | [diff] [blame] | 1288 | static int dsa_slave_netdevice_event(struct notifier_block *nb, |
| 1289 | unsigned long event, void *ptr) |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1290 | { |
Vivien Didelot | 6debb68 | 2016-03-13 16:21:34 -0400 | [diff] [blame] | 1291 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1292 | |
Florian Fainelli | 53bade8 | 2017-09-19 18:00:37 -0700 | [diff] [blame] | 1293 | if (!dsa_slave_dev_check(dev)) |
Vivien Didelot | 8e92ab3 | 2017-02-03 13:20:17 -0500 | [diff] [blame] | 1294 | return NOTIFY_DONE; |
| 1295 | |
| 1296 | if (event == NETDEV_CHANGEUPPER) |
| 1297 | return dsa_slave_changeupper(dev, ptr); |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1298 | |
Florian Fainelli | b73adef | 2015-02-24 13:15:33 -0800 | [diff] [blame] | 1299 | return NOTIFY_DONE; |
| 1300 | } |
Vivien Didelot | 88e4f0c | 2017-02-03 13:20:16 -0500 | [diff] [blame] | 1301 | |
Arkadi Sharshevsky | c9eb3e0 | 2017-08-06 16:15:42 +0300 | [diff] [blame] | 1302 | struct dsa_switchdev_event_work { |
| 1303 | struct work_struct work; |
| 1304 | struct switchdev_notifier_fdb_info fdb_info; |
| 1305 | struct net_device *dev; |
| 1306 | unsigned long event; |
| 1307 | }; |
| 1308 | |
| 1309 | static void dsa_slave_switchdev_event_work(struct work_struct *work) |
| 1310 | { |
| 1311 | struct dsa_switchdev_event_work *switchdev_work = |
| 1312 | container_of(work, struct dsa_switchdev_event_work, work); |
| 1313 | struct net_device *dev = switchdev_work->dev; |
| 1314 | struct switchdev_notifier_fdb_info *fdb_info; |
| 1315 | struct dsa_slave_priv *p = netdev_priv(dev); |
| 1316 | int err; |
| 1317 | |
| 1318 | rtnl_lock(); |
| 1319 | switch (switchdev_work->event) { |
| 1320 | case SWITCHDEV_FDB_ADD_TO_DEVICE: |
| 1321 | fdb_info = &switchdev_work->fdb_info; |
| 1322 | err = dsa_port_fdb_add(p->dp, fdb_info->addr, fdb_info->vid); |
| 1323 | if (err) { |
| 1324 | netdev_dbg(dev, "fdb add failed err=%d\n", err); |
| 1325 | break; |
| 1326 | } |
| 1327 | call_switchdev_notifiers(SWITCHDEV_FDB_OFFLOADED, dev, |
| 1328 | &fdb_info->info); |
| 1329 | break; |
| 1330 | |
| 1331 | case SWITCHDEV_FDB_DEL_TO_DEVICE: |
| 1332 | fdb_info = &switchdev_work->fdb_info; |
| 1333 | err = dsa_port_fdb_del(p->dp, fdb_info->addr, fdb_info->vid); |
| 1334 | if (err) { |
| 1335 | netdev_dbg(dev, "fdb del failed err=%d\n", err); |
| 1336 | dev_close(dev); |
| 1337 | } |
| 1338 | break; |
| 1339 | } |
| 1340 | rtnl_unlock(); |
| 1341 | |
| 1342 | kfree(switchdev_work->fdb_info.addr); |
| 1343 | kfree(switchdev_work); |
| 1344 | dev_put(dev); |
| 1345 | } |
| 1346 | |
| 1347 | static int |
| 1348 | dsa_slave_switchdev_fdb_work_init(struct dsa_switchdev_event_work * |
| 1349 | switchdev_work, |
| 1350 | const struct switchdev_notifier_fdb_info * |
| 1351 | fdb_info) |
| 1352 | { |
| 1353 | memcpy(&switchdev_work->fdb_info, fdb_info, |
| 1354 | sizeof(switchdev_work->fdb_info)); |
| 1355 | switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC); |
| 1356 | if (!switchdev_work->fdb_info.addr) |
| 1357 | return -ENOMEM; |
| 1358 | ether_addr_copy((u8 *)switchdev_work->fdb_info.addr, |
| 1359 | fdb_info->addr); |
| 1360 | return 0; |
| 1361 | } |
| 1362 | |
| 1363 | /* Called under rcu_read_lock() */ |
| 1364 | static int dsa_slave_switchdev_event(struct notifier_block *unused, |
| 1365 | unsigned long event, void *ptr) |
| 1366 | { |
| 1367 | struct net_device *dev = switchdev_notifier_info_to_dev(ptr); |
| 1368 | struct dsa_switchdev_event_work *switchdev_work; |
| 1369 | |
| 1370 | if (!dsa_slave_dev_check(dev)) |
| 1371 | return NOTIFY_DONE; |
| 1372 | |
| 1373 | switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC); |
| 1374 | if (!switchdev_work) |
| 1375 | return NOTIFY_BAD; |
| 1376 | |
| 1377 | INIT_WORK(&switchdev_work->work, |
| 1378 | dsa_slave_switchdev_event_work); |
| 1379 | switchdev_work->dev = dev; |
| 1380 | switchdev_work->event = event; |
| 1381 | |
| 1382 | switch (event) { |
| 1383 | case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */ |
| 1384 | case SWITCHDEV_FDB_DEL_TO_DEVICE: |
| 1385 | if (dsa_slave_switchdev_fdb_work_init(switchdev_work, |
| 1386 | ptr)) |
| 1387 | goto err_fdb_work_init; |
| 1388 | dev_hold(dev); |
| 1389 | break; |
| 1390 | default: |
| 1391 | kfree(switchdev_work); |
| 1392 | return NOTIFY_DONE; |
| 1393 | } |
| 1394 | |
| 1395 | dsa_schedule_work(&switchdev_work->work); |
| 1396 | return NOTIFY_OK; |
| 1397 | |
| 1398 | err_fdb_work_init: |
| 1399 | kfree(switchdev_work); |
| 1400 | return NOTIFY_BAD; |
| 1401 | } |
| 1402 | |
Vivien Didelot | 88e4f0c | 2017-02-03 13:20:16 -0500 | [diff] [blame] | 1403 | static struct notifier_block dsa_slave_nb __read_mostly = { |
Arkadi Sharshevsky | c9eb3e0 | 2017-08-06 16:15:42 +0300 | [diff] [blame] | 1404 | .notifier_call = dsa_slave_netdevice_event, |
| 1405 | }; |
| 1406 | |
| 1407 | static struct notifier_block dsa_slave_switchdev_notifier = { |
| 1408 | .notifier_call = dsa_slave_switchdev_event, |
Vivien Didelot | 88e4f0c | 2017-02-03 13:20:16 -0500 | [diff] [blame] | 1409 | }; |
| 1410 | |
| 1411 | int dsa_slave_register_notifier(void) |
| 1412 | { |
Arkadi Sharshevsky | c9eb3e0 | 2017-08-06 16:15:42 +0300 | [diff] [blame] | 1413 | int err; |
| 1414 | |
| 1415 | err = register_netdevice_notifier(&dsa_slave_nb); |
| 1416 | if (err) |
| 1417 | return err; |
| 1418 | |
| 1419 | err = register_switchdev_notifier(&dsa_slave_switchdev_notifier); |
| 1420 | if (err) |
| 1421 | goto err_switchdev_nb; |
| 1422 | |
| 1423 | return 0; |
| 1424 | |
| 1425 | err_switchdev_nb: |
| 1426 | unregister_netdevice_notifier(&dsa_slave_nb); |
| 1427 | return err; |
Vivien Didelot | 88e4f0c | 2017-02-03 13:20:16 -0500 | [diff] [blame] | 1428 | } |
| 1429 | |
| 1430 | void dsa_slave_unregister_notifier(void) |
| 1431 | { |
| 1432 | int err; |
| 1433 | |
Arkadi Sharshevsky | c9eb3e0 | 2017-08-06 16:15:42 +0300 | [diff] [blame] | 1434 | err = unregister_switchdev_notifier(&dsa_slave_switchdev_notifier); |
| 1435 | if (err) |
| 1436 | pr_err("DSA: failed to unregister switchdev notifier (%d)\n", err); |
| 1437 | |
Vivien Didelot | 88e4f0c | 2017-02-03 13:20:16 -0500 | [diff] [blame] | 1438 | err = unregister_netdevice_notifier(&dsa_slave_nb); |
| 1439 | if (err) |
| 1440 | pr_err("DSA: failed to unregister slave notifier (%d)\n", err); |
| 1441 | } |