Add table of ethernet link mode names and make it available as a string set to userspace GET_STRSET requests.
Signed-off-by: Michal Kubecek <[email protected]> --- include/linux/ethtool.h | 4 ++ include/uapi/linux/ethtool.h | 2 + net/ethtool/netlink.c | 81 ++++++++++++++++++++++++++++++++++++ net/ethtool/netlink.h | 1 + net/ethtool/strset.c | 6 +++ 5 files changed, 94 insertions(+) diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index e6ebc9761822..ac3612599450 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -102,6 +102,10 @@ static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings) #define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS) +/* compose link mode index from speed, type and duplex */ +#define ETHTOOL_LINK_MODE(speed, type, duplex) \ + ETHTOOL_LINK_MODE_ ## speed ## base ## type ## _ ## duplex ## _BIT + /* drivers must ignore base.cmd and base.link_mode_masks_nwords * fields, but they are allowed to overwrite them (will be ignored). */ diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 882a542eaaa9..ef1288eb737c 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -566,6 +566,7 @@ struct ethtool_pauseparam { * @ETH_SS_TSTAMP_SOF: timestamping flag names * @ETH_SS_TSTAMP_TX_TYPE: timestamping Tx type names * @ETH_SS_TSTAMP_RX_FILTER: timestamping Rx filter names + * @ETH_SS_LINK_MODES: link mode names */ enum ethtool_stringset { ETH_SS_TEST = 0, @@ -580,6 +581,7 @@ enum ethtool_stringset { ETH_SS_TSTAMP_SOF, ETH_SS_TSTAMP_TX_TYPE, ETH_SS_TSTAMP_RX_FILTER, + ETH_SS_LINK_MODES, ETH_SS_COUNT }; diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index 7f9597c0c7a7..f0385c30169b 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -8,6 +8,84 @@ u32 ethnl_bcast_seq; static bool ethnl_ok __read_mostly; +#define __LINK_MODE_NAME(speed, type, duplex) \ + #speed "base" #type "/" #duplex +#define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \ + [ETHTOOL_LINK_MODE(speed, type, duplex)] = \ + __LINK_MODE_NAME(speed, type, duplex) +#define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \ + [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name + +const char *const link_mode_names[] = { + __DEFINE_LINK_MODE_NAME(10, T, Half), + __DEFINE_LINK_MODE_NAME(10, T, Full), + __DEFINE_LINK_MODE_NAME(100, T, Half), + __DEFINE_LINK_MODE_NAME(100, T, Full), + __DEFINE_LINK_MODE_NAME(1000, T, Half), + __DEFINE_LINK_MODE_NAME(1000, T, Full), + __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"), + __DEFINE_SPECIAL_MODE_NAME(TP, "TP"), + __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"), + __DEFINE_SPECIAL_MODE_NAME(MII, "MII"), + __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"), + __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"), + __DEFINE_LINK_MODE_NAME(10000, T, Full), + __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"), + __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"), + __DEFINE_LINK_MODE_NAME(2500, X, Full), + __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"), + __DEFINE_LINK_MODE_NAME(1000, KX, Full), + __DEFINE_LINK_MODE_NAME(10000, KX4, Full), + __DEFINE_LINK_MODE_NAME(10000, KR, Full), + [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = "10000baseR_FEC", + __DEFINE_LINK_MODE_NAME(20000, MLD2, Full), + __DEFINE_LINK_MODE_NAME(20000, KR2, Full), + __DEFINE_LINK_MODE_NAME(40000, KR4, Full), + __DEFINE_LINK_MODE_NAME(40000, CR4, Full), + __DEFINE_LINK_MODE_NAME(40000, SR4, Full), + __DEFINE_LINK_MODE_NAME(40000, LR4, Full), + __DEFINE_LINK_MODE_NAME(56000, KR4, Full), + __DEFINE_LINK_MODE_NAME(56000, CR4, Full), + __DEFINE_LINK_MODE_NAME(56000, SR4, Full), + __DEFINE_LINK_MODE_NAME(56000, LR4, Full), + __DEFINE_LINK_MODE_NAME(25000, CR, Full), + __DEFINE_LINK_MODE_NAME(25000, KR, Full), + __DEFINE_LINK_MODE_NAME(25000, SR, Full), + __DEFINE_LINK_MODE_NAME(50000, CR2, Full), + __DEFINE_LINK_MODE_NAME(50000, KR2, Full), + __DEFINE_LINK_MODE_NAME(100000, KR4, Full), + __DEFINE_LINK_MODE_NAME(100000, SR4, Full), + __DEFINE_LINK_MODE_NAME(100000, CR4, Full), + __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full), + __DEFINE_LINK_MODE_NAME(50000, SR2, Full), + __DEFINE_LINK_MODE_NAME(1000, X, Full), + __DEFINE_LINK_MODE_NAME(10000, CR, Full), + __DEFINE_LINK_MODE_NAME(10000, SR, Full), + __DEFINE_LINK_MODE_NAME(10000, LR, Full), + __DEFINE_LINK_MODE_NAME(10000, LRM, Full), + __DEFINE_LINK_MODE_NAME(10000, ER, Full), + __DEFINE_LINK_MODE_NAME(2500, T, Full), + __DEFINE_LINK_MODE_NAME(5000, T, Full), + __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"), + __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"), + __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"), + __DEFINE_LINK_MODE_NAME(50000, KR, Full), + __DEFINE_LINK_MODE_NAME(50000, SR, Full), + __DEFINE_LINK_MODE_NAME(50000, CR, Full), + __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full), + __DEFINE_LINK_MODE_NAME(50000, DR, Full), + __DEFINE_LINK_MODE_NAME(100000, KR2, Full), + __DEFINE_LINK_MODE_NAME(100000, SR2, Full), + __DEFINE_LINK_MODE_NAME(100000, CR2, Full), + __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full), + __DEFINE_LINK_MODE_NAME(100000, DR2, Full), + __DEFINE_LINK_MODE_NAME(200000, KR4, Full), + __DEFINE_LINK_MODE_NAME(200000, SR4, Full), + __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full), + __DEFINE_LINK_MODE_NAME(200000, DR4, Full), + __DEFINE_LINK_MODE_NAME(200000, CR4, Full), +}; + static const struct nla_policy dev_policy[ETHA_DEV_MAX + 1] = { [ETHA_DEV_UNSPEC] = { .type = NLA_REJECT }, [ETHA_DEV_INDEX] = { .type = NLA_U32 }, @@ -600,6 +678,9 @@ static int __init ethnl_init(void) { int ret; + BUILD_BUG_ON(ARRAY_SIZE(link_mode_names) < + __ETHTOOL_LINK_MODE_MASK_NBITS); + ret = genl_register_family(ðtool_genl_family); if (WARN(ret < 0, "ethtool: genetlink family registration failed")) return ret; diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h index 4ad9a3eee3e5..ce60d7e18651 100644 --- a/net/ethtool/netlink.h +++ b/net/ethtool/netlink.h @@ -23,6 +23,7 @@ extern struct genl_family ethtool_genl_family; extern const char *const so_timestamping_labels[]; extern const char *const tstamp_tx_type_labels[]; extern const char *const tstamp_rx_filter_labels[]; +extern const char *const link_mode_names[]; struct net_device *ethnl_dev_get(struct genl_info *info, struct nlattr *nest); int ethnl_fill_dev(struct sk_buff *msg, struct net_device *dev, u16 attrtype); diff --git a/net/ethtool/strset.c b/net/ethtool/strset.c index e1b831097ca7..577d1309ba6f 100644 --- a/net/ethtool/strset.c +++ b/net/ethtool/strset.c @@ -85,6 +85,12 @@ static const struct strset_info info_template[] = { .count = __HWTSTAMP_FILTER_COUNT, .data = { .simple = tstamp_rx_filter_labels }, }, + [ETH_SS_LINK_MODES] = { + .type = ETH_SS_TYPE_SIMPLE, + .per_dev = false, + .count = __ETHTOOL_LINK_MODE_MASK_NBITS, + .data = { .simple = link_mode_names }, + }, }; struct strset_data { -- 2.21.0
