^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include "netlink.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include "common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include "bitset.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) struct linkmodes_req_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) struct ethnl_req_info base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct linkmodes_reply_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) struct ethnl_reply_data base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct ethtool_link_ksettings ksettings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct ethtool_link_settings *lsettings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) bool peer_empty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define LINKMODES_REPDATA(__reply_base) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) container_of(__reply_base, struct linkmodes_reply_data, base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) const struct nla_policy ethnl_linkmodes_get_policy[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) [ETHTOOL_A_LINKMODES_HEADER] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) NLA_POLICY_NESTED(ethnl_header_policy),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static int linkmodes_prepare_data(const struct ethnl_req_info *req_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct ethnl_reply_data *reply_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct genl_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct linkmodes_reply_data *data = LINKMODES_REPDATA(reply_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct net_device *dev = reply_base->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) data->lsettings = &data->ksettings.base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) ret = ethnl_ops_begin(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) ret = __ethtool_get_link_ksettings(dev, &data->ksettings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (ret < 0 && info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) GENL_SET_ERR_MSG(info, "failed to retrieve link settings");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) data->peer_empty =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) bitmap_empty(data->ksettings.link_modes.lp_advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) __ETHTOOL_LINK_MODE_MASK_NBITS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) ethnl_ops_complete(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static int linkmodes_reply_size(const struct ethnl_req_info *req_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) const struct ethnl_reply_data *reply_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) const struct linkmodes_reply_data *data = LINKMODES_REPDATA(reply_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) const struct ethtool_link_ksettings *ksettings = &data->ksettings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) const struct ethtool_link_settings *lsettings = &ksettings->base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int len, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) len = nla_total_size(sizeof(u8)) /* LINKMODES_AUTONEG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) + nla_total_size(sizeof(u32)) /* LINKMODES_SPEED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) + nla_total_size(sizeof(u8)) /* LINKMODES_DUPLEX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) + 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) ret = ethnl_bitset_size(ksettings->link_modes.advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) ksettings->link_modes.supported,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) __ETHTOOL_LINK_MODE_MASK_NBITS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) link_mode_names, compact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) len += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (!data->peer_empty) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) ret = ethnl_bitset_size(ksettings->link_modes.lp_advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) NULL, __ETHTOOL_LINK_MODE_MASK_NBITS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) link_mode_names, compact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) len += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (lsettings->master_slave_cfg != MASTER_SLAVE_CFG_UNSUPPORTED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) len += nla_total_size(sizeof(u8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) if (lsettings->master_slave_state != MASTER_SLAVE_STATE_UNSUPPORTED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) len += nla_total_size(sizeof(u8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static int linkmodes_fill_reply(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) const struct ethnl_req_info *req_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) const struct ethnl_reply_data *reply_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) const struct linkmodes_reply_data *data = LINKMODES_REPDATA(reply_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) const struct ethtool_link_ksettings *ksettings = &data->ksettings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) const struct ethtool_link_settings *lsettings = &ksettings->base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (nla_put_u8(skb, ETHTOOL_A_LINKMODES_AUTONEG, lsettings->autoneg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) ret = ethnl_put_bitset(skb, ETHTOOL_A_LINKMODES_OURS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) ksettings->link_modes.advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ksettings->link_modes.supported,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) __ETHTOOL_LINK_MODE_MASK_NBITS, link_mode_names,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) compact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if (!data->peer_empty) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) ret = ethnl_put_bitset(skb, ETHTOOL_A_LINKMODES_PEER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) ksettings->link_modes.lp_advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) NULL, __ETHTOOL_LINK_MODE_MASK_NBITS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) link_mode_names, compact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (nla_put_u32(skb, ETHTOOL_A_LINKMODES_SPEED, lsettings->speed) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) nla_put_u8(skb, ETHTOOL_A_LINKMODES_DUPLEX, lsettings->duplex))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (lsettings->master_slave_cfg != MASTER_SLAVE_CFG_UNSUPPORTED &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) nla_put_u8(skb, ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) lsettings->master_slave_cfg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (lsettings->master_slave_state != MASTER_SLAVE_STATE_UNSUPPORTED &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) nla_put_u8(skb, ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) lsettings->master_slave_state))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) const struct ethnl_request_ops ethnl_linkmodes_request_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .request_cmd = ETHTOOL_MSG_LINKMODES_GET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .reply_cmd = ETHTOOL_MSG_LINKMODES_GET_REPLY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .hdr_attr = ETHTOOL_A_LINKMODES_HEADER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .req_info_size = sizeof(struct linkmodes_req_info),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) .reply_data_size = sizeof(struct linkmodes_reply_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .prepare_data = linkmodes_prepare_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .reply_size = linkmodes_reply_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .fill_reply = linkmodes_fill_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) /* LINKMODES_SET */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct link_mode_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) int speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) u8 duplex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .speed = SPEED_ ## _speed, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .duplex = __DUPLEX_ ## _duplex \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) #define __DUPLEX_Half DUPLEX_HALF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #define __DUPLEX_Full DUPLEX_FULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .speed = SPEED_UNKNOWN, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .duplex = DUPLEX_UNKNOWN, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static const struct link_mode_info link_mode_params[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) __DEFINE_LINK_MODE_PARAMS(10, T, Half),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) __DEFINE_LINK_MODE_PARAMS(10, T, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) __DEFINE_LINK_MODE_PARAMS(100, T, Half),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) __DEFINE_LINK_MODE_PARAMS(100, T, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) __DEFINE_LINK_MODE_PARAMS(1000, T, Half),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) __DEFINE_LINK_MODE_PARAMS(1000, T, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) __DEFINE_SPECIAL_MODE_PARAMS(Autoneg),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) __DEFINE_SPECIAL_MODE_PARAMS(TP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) __DEFINE_SPECIAL_MODE_PARAMS(AUI),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) __DEFINE_SPECIAL_MODE_PARAMS(MII),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) __DEFINE_SPECIAL_MODE_PARAMS(FIBRE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) __DEFINE_SPECIAL_MODE_PARAMS(BNC),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) __DEFINE_LINK_MODE_PARAMS(10000, T, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) __DEFINE_SPECIAL_MODE_PARAMS(Pause),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) __DEFINE_LINK_MODE_PARAMS(2500, X, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) __DEFINE_SPECIAL_MODE_PARAMS(Backplane),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) __DEFINE_LINK_MODE_PARAMS(1000, KX, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) __DEFINE_LINK_MODE_PARAMS(10000, KR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .speed = SPEED_10000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .duplex = DUPLEX_FULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) __DEFINE_LINK_MODE_PARAMS(25000, CR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) __DEFINE_LINK_MODE_PARAMS(25000, KR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) __DEFINE_LINK_MODE_PARAMS(25000, SR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) __DEFINE_LINK_MODE_PARAMS(1000, X, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) __DEFINE_LINK_MODE_PARAMS(10000, CR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) __DEFINE_LINK_MODE_PARAMS(10000, SR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) __DEFINE_LINK_MODE_PARAMS(10000, LR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) __DEFINE_LINK_MODE_PARAMS(10000, ER, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) __DEFINE_LINK_MODE_PARAMS(2500, T, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) __DEFINE_LINK_MODE_PARAMS(5000, T, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) __DEFINE_LINK_MODE_PARAMS(50000, KR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) __DEFINE_LINK_MODE_PARAMS(50000, SR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) __DEFINE_LINK_MODE_PARAMS(50000, CR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) __DEFINE_LINK_MODE_PARAMS(50000, DR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) __DEFINE_LINK_MODE_PARAMS(100, T1, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) __DEFINE_LINK_MODE_PARAMS(1000, T1, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) __DEFINE_LINK_MODE_PARAMS(100000, KR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) __DEFINE_LINK_MODE_PARAMS(100000, SR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) __DEFINE_LINK_MODE_PARAMS(100000, DR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) __DEFINE_LINK_MODE_PARAMS(100000, CR, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) __DEFINE_LINK_MODE_PARAMS(100, FX, Half),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) __DEFINE_LINK_MODE_PARAMS(100, FX, Full),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) const struct nla_policy ethnl_linkmodes_set_policy[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) [ETHTOOL_A_LINKMODES_HEADER] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) NLA_POLICY_NESTED(ethnl_header_policy),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) [ETHTOOL_A_LINKMODES_AUTONEG] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) [ETHTOOL_A_LINKMODES_OURS] = { .type = NLA_NESTED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) [ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) [ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) /* Set advertised link modes to all supported modes matching requested speed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) * and duplex values. Called when autonegotiation is on, speed or duplex is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) * requested but no link mode change. This is done in userspace with ioctl()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) * interface, move it into kernel for netlink.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * Returns true if advertised modes bitmap was modified.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) static bool ethnl_auto_linkmodes(struct ethtool_link_ksettings *ksettings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) bool req_speed, bool req_duplex)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) unsigned long *advertising = ksettings->link_modes.advertising;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) unsigned long *supported = ksettings->link_modes.supported;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) DECLARE_BITMAP(old_adv, __ETHTOOL_LINK_MODE_MASK_NBITS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) BUILD_BUG_ON(ARRAY_SIZE(link_mode_params) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) __ETHTOOL_LINK_MODE_MASK_NBITS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) bitmap_copy(old_adv, advertising, __ETHTOOL_LINK_MODE_MASK_NBITS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) for (i = 0; i < __ETHTOOL_LINK_MODE_MASK_NBITS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) const struct link_mode_info *info = &link_mode_params[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (info->speed == SPEED_UNKNOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if (test_bit(i, supported) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) (!req_speed || info->speed == ksettings->base.speed) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) (!req_duplex || info->duplex == ksettings->base.duplex))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) set_bit(i, advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) clear_bit(i, advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return !bitmap_equal(old_adv, advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) __ETHTOOL_LINK_MODE_MASK_NBITS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static bool ethnl_validate_master_slave_cfg(u8 cfg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) switch (cfg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) case MASTER_SLAVE_CFG_MASTER_PREFERRED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) case MASTER_SLAVE_CFG_SLAVE_PREFERRED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) case MASTER_SLAVE_CFG_MASTER_FORCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) case MASTER_SLAVE_CFG_SLAVE_FORCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) static int ethnl_update_linkmodes(struct genl_info *info, struct nlattr **tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) struct ethtool_link_ksettings *ksettings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) bool *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct ethtool_link_settings *lsettings = &ksettings->base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) bool req_speed, req_duplex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) const struct nlattr *master_slave_cfg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) master_slave_cfg = tb[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) if (master_slave_cfg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) u8 cfg = nla_get_u8(master_slave_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (lsettings->master_slave_cfg == MASTER_SLAVE_CFG_UNSUPPORTED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) NL_SET_ERR_MSG_ATTR(info->extack, master_slave_cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) "master/slave configuration not supported by device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) if (!ethnl_validate_master_slave_cfg(cfg)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) NL_SET_ERR_MSG_ATTR(info->extack, master_slave_cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) "master/slave value is invalid");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) *mod = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) req_speed = tb[ETHTOOL_A_LINKMODES_SPEED];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) req_duplex = tb[ETHTOOL_A_LINKMODES_DUPLEX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) ethnl_update_u8(&lsettings->autoneg, tb[ETHTOOL_A_LINKMODES_AUTONEG],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) ret = ethnl_update_bitset(ksettings->link_modes.advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) __ETHTOOL_LINK_MODE_MASK_NBITS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) tb[ETHTOOL_A_LINKMODES_OURS], link_mode_names,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) info->extack, mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) ethnl_update_u32(&lsettings->speed, tb[ETHTOOL_A_LINKMODES_SPEED],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) ethnl_update_u8(&lsettings->duplex, tb[ETHTOOL_A_LINKMODES_DUPLEX],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) ethnl_update_u8(&lsettings->master_slave_cfg, master_slave_cfg, mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) if (!tb[ETHTOOL_A_LINKMODES_OURS] && lsettings->autoneg &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) (req_speed || req_duplex) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) ethnl_auto_linkmodes(ksettings, req_speed, req_duplex))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) *mod = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) int ethnl_set_linkmodes(struct sk_buff *skb, struct genl_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) struct ethtool_link_ksettings ksettings = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) struct ethnl_req_info req_info = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) struct nlattr **tb = info->attrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) struct net_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) bool mod = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) ret = ethnl_parse_header_dev_get(&req_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) tb[ETHTOOL_A_LINKMODES_HEADER],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) genl_info_net(info), info->extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) dev = req_info.dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) ret = -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (!dev->ethtool_ops->get_link_ksettings ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) !dev->ethtool_ops->set_link_ksettings)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) goto out_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) rtnl_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) ret = ethnl_ops_begin(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) goto out_rtnl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) ret = __ethtool_get_link_ksettings(dev, &ksettings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) GENL_SET_ERR_MSG(info, "failed to retrieve link settings");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) goto out_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) ret = ethnl_update_linkmodes(info, tb, &ksettings, &mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) goto out_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) if (mod) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) ret = dev->ethtool_ops->set_link_ksettings(dev, &ksettings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) GENL_SET_ERR_MSG(info, "link settings update failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) ethtool_notify(dev, ETHTOOL_MSG_LINKMODES_NTF, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) out_ops:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) ethnl_ops_complete(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) out_rtnl:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) out_dev:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) dev_put(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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