diff options
Diffstat (limited to 'net/ethtool/common.c')
| -rw-r--r-- | net/ethtool/common.c | 1169 |
1 files changed, 1169 insertions, 0 deletions
diff --git a/net/ethtool/common.c b/net/ethtool/common.c new file mode 100644 index 000000000000..369c05cf8163 --- /dev/null +++ b/net/ethtool/common.c @@ -0,0 +1,1169 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/ethtool_netlink.h> +#include <linux/net_tstamp.h> +#include <linux/phy.h> +#include <linux/rtnetlink.h> +#include <linux/ptp_clock_kernel.h> +#include <linux/phy_link_topology.h> +#include <net/netdev_queues.h> + +#include "netlink.h" +#include "common.h" +#include "../core/dev.h" + + +const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = { + [NETIF_F_SG_BIT] = "tx-scatter-gather", + [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4", + [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic", + [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6", + [NETIF_F_HIGHDMA_BIT] = "highdma", + [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist", + [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert", + + [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse", + [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter", + [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert", + [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse", + [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter", + [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", + [NETIF_F_GSO_BIT] = "tx-generic-segmentation", + [NETIF_F_GRO_BIT] = "rx-gro", + [NETIF_F_GRO_HW_BIT] = "rx-gro-hw", + [NETIF_F_LRO_BIT] = "rx-lro", + + [NETIF_F_TSO_BIT] = "tx-tcp-segmentation", + [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust", + [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation", + [NETIF_F_GSO_ACCECN_BIT] = "tx-tcp-accecn-segmentation", + [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation", + [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", + [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", + [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation", + [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation", + [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation", + [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation", + [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation", + [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation", + [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial", + [NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation", + [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation", + [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation", + [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation", + [NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list", + + [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", + [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp", + [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter", + [NETIF_F_RXHASH_BIT] = "rx-hashing", + [NETIF_F_RXCSUM_BIT] = "rx-checksum", + [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", + [NETIF_F_LOOPBACK_BIT] = "loopback", + [NETIF_F_RXFCS_BIT] = "rx-fcs", + [NETIF_F_RXALL_BIT] = "rx-all", + [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload", + [NETIF_F_HW_TC_BIT] = "hw-tc-offload", + [NETIF_F_HW_ESP_BIT] = "esp-hw-offload", + [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload", + [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload", + [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record", + [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload", + [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload", + [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list", + [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload", + [NETIF_F_GRO_UDP_FWD_BIT] = "rx-udp-gro-forwarding", + [NETIF_F_HW_HSR_TAG_INS_BIT] = "hsr-tag-ins-offload", + [NETIF_F_HW_HSR_TAG_RM_BIT] = "hsr-tag-rm-offload", + [NETIF_F_HW_HSR_FWD_BIT] = "hsr-fwd-offload", + [NETIF_F_HW_HSR_DUP_BIT] = "hsr-dup-offload", +}; + +const char +rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = { + [ETH_RSS_HASH_TOP_BIT] = "toeplitz", + [ETH_RSS_HASH_XOR_BIT] = "xor", + [ETH_RSS_HASH_CRC32_BIT] = "crc32", +}; + +const char +tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { + [ETHTOOL_ID_UNSPEC] = "Unspec", + [ETHTOOL_RX_COPYBREAK] = "rx-copybreak", + [ETHTOOL_TX_COPYBREAK] = "tx-copybreak", + [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout", + [ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size", +}; + +const char +phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = { + [ETHTOOL_ID_UNSPEC] = "Unspec", + [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift", + [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down", + [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down", +}; + +#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 link_mode_names[][ETH_GSTRING_LEN] = { + __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), + __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "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), + __DEFINE_LINK_MODE_NAME(100, T1, Full), + __DEFINE_LINK_MODE_NAME(1000, T1, Full), + __DEFINE_LINK_MODE_NAME(400000, KR8, Full), + __DEFINE_LINK_MODE_NAME(400000, SR8, Full), + __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full), + __DEFINE_LINK_MODE_NAME(400000, DR8, Full), + __DEFINE_LINK_MODE_NAME(400000, CR8, Full), + __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"), + __DEFINE_LINK_MODE_NAME(100000, KR, Full), + __DEFINE_LINK_MODE_NAME(100000, SR, Full), + __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full), + __DEFINE_LINK_MODE_NAME(100000, DR, Full), + __DEFINE_LINK_MODE_NAME(100000, CR, Full), + __DEFINE_LINK_MODE_NAME(200000, KR2, Full), + __DEFINE_LINK_MODE_NAME(200000, SR2, Full), + __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full), + __DEFINE_LINK_MODE_NAME(200000, DR2, Full), + __DEFINE_LINK_MODE_NAME(200000, CR2, Full), + __DEFINE_LINK_MODE_NAME(400000, KR4, Full), + __DEFINE_LINK_MODE_NAME(400000, SR4, Full), + __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full), + __DEFINE_LINK_MODE_NAME(400000, DR4, Full), + __DEFINE_LINK_MODE_NAME(400000, CR4, Full), + __DEFINE_LINK_MODE_NAME(100, FX, Half), + __DEFINE_LINK_MODE_NAME(100, FX, Full), + __DEFINE_LINK_MODE_NAME(10, T1L, Full), + __DEFINE_LINK_MODE_NAME(800000, CR8, Full), + __DEFINE_LINK_MODE_NAME(800000, KR8, Full), + __DEFINE_LINK_MODE_NAME(800000, DR8, Full), + __DEFINE_LINK_MODE_NAME(800000, DR8_2, Full), + __DEFINE_LINK_MODE_NAME(800000, SR8, Full), + __DEFINE_LINK_MODE_NAME(800000, VR8, Full), + __DEFINE_LINK_MODE_NAME(10, T1S, Full), + __DEFINE_LINK_MODE_NAME(10, T1S, Half), + __DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half), + __DEFINE_LINK_MODE_NAME(10, T1BRR, Full), + __DEFINE_LINK_MODE_NAME(200000, CR, Full), + __DEFINE_LINK_MODE_NAME(200000, KR, Full), + __DEFINE_LINK_MODE_NAME(200000, DR, Full), + __DEFINE_LINK_MODE_NAME(200000, DR_2, Full), + __DEFINE_LINK_MODE_NAME(200000, SR, Full), + __DEFINE_LINK_MODE_NAME(200000, VR, Full), + __DEFINE_LINK_MODE_NAME(400000, CR2, Full), + __DEFINE_LINK_MODE_NAME(400000, KR2, Full), + __DEFINE_LINK_MODE_NAME(400000, DR2, Full), + __DEFINE_LINK_MODE_NAME(400000, DR2_2, Full), + __DEFINE_LINK_MODE_NAME(400000, SR2, Full), + __DEFINE_LINK_MODE_NAME(400000, VR2, Full), + __DEFINE_LINK_MODE_NAME(800000, CR4, Full), + __DEFINE_LINK_MODE_NAME(800000, KR4, Full), + __DEFINE_LINK_MODE_NAME(800000, DR4, Full), + __DEFINE_LINK_MODE_NAME(800000, DR4_2, Full), + __DEFINE_LINK_MODE_NAME(800000, SR4, Full), + __DEFINE_LINK_MODE_NAME(800000, VR4, Full), + __DEFINE_LINK_MODE_NAME(1600000, CR8, Full), + __DEFINE_LINK_MODE_NAME(1600000, KR8, Full), + __DEFINE_LINK_MODE_NAME(1600000, DR8, Full), + __DEFINE_LINK_MODE_NAME(1600000, DR8_2, Full), +}; +static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); + +#define __LINK_MODE_LANES_CR 1 +#define __LINK_MODE_LANES_CR2 2 +#define __LINK_MODE_LANES_CR4 4 +#define __LINK_MODE_LANES_CR8 8 +#define __LINK_MODE_LANES_DR 1 +#define __LINK_MODE_LANES_DR_2 1 +#define __LINK_MODE_LANES_DR2 2 +#define __LINK_MODE_LANES_DR2_2 2 +#define __LINK_MODE_LANES_DR4 4 +#define __LINK_MODE_LANES_DR4_2 4 +#define __LINK_MODE_LANES_DR8 8 +#define __LINK_MODE_LANES_KR 1 +#define __LINK_MODE_LANES_KR2 2 +#define __LINK_MODE_LANES_KR4 4 +#define __LINK_MODE_LANES_KR8 8 +#define __LINK_MODE_LANES_SR 1 +#define __LINK_MODE_LANES_SR2 2 +#define __LINK_MODE_LANES_SR4 4 +#define __LINK_MODE_LANES_SR8 8 +#define __LINK_MODE_LANES_ER 1 +#define __LINK_MODE_LANES_KX 1 +#define __LINK_MODE_LANES_KX4 4 +#define __LINK_MODE_LANES_LR 1 +#define __LINK_MODE_LANES_LR4 4 +#define __LINK_MODE_LANES_LR4_ER4 4 +#define __LINK_MODE_LANES_LR_ER_FR 1 +#define __LINK_MODE_LANES_LR2_ER2_FR2 2 +#define __LINK_MODE_LANES_LR4_ER4_FR4 4 +#define __LINK_MODE_LANES_LR8_ER8_FR8 8 +#define __LINK_MODE_LANES_LRM 1 +#define __LINK_MODE_LANES_MLD2 2 +#define __LINK_MODE_LANES_T 1 +#define __LINK_MODE_LANES_T1 1 +#define __LINK_MODE_LANES_X 1 +#define __LINK_MODE_LANES_FX 1 +#define __LINK_MODE_LANES_T1L 1 +#define __LINK_MODE_LANES_T1S 1 +#define __LINK_MODE_LANES_T1S_P2MP 1 +#define __LINK_MODE_LANES_VR 1 +#define __LINK_MODE_LANES_VR2 2 +#define __LINK_MODE_LANES_VR4 4 +#define __LINK_MODE_LANES_VR8 8 +#define __LINK_MODE_LANES_DR8_2 8 +#define __LINK_MODE_LANES_T1BRR 1 + +#define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex) \ + [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ + .speed = SPEED_ ## _speed, \ + .lanes = __LINK_MODE_LANES_ ## _type, \ + .duplex = __DUPLEX_ ## _duplex \ + } +#define __DUPLEX_Half DUPLEX_HALF +#define __DUPLEX_Full DUPLEX_FULL +#define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \ + [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \ + .speed = SPEED_UNKNOWN, \ + .lanes = 0, \ + .duplex = DUPLEX_UNKNOWN, \ + } + +const struct link_mode_info link_mode_params[] = { + __DEFINE_LINK_MODE_PARAMS(10, T, Half), + __DEFINE_LINK_MODE_PARAMS(10, T, Full), + __DEFINE_LINK_MODE_PARAMS(100, T, Half), + __DEFINE_LINK_MODE_PARAMS(100, T, Full), + __DEFINE_LINK_MODE_PARAMS(1000, T, Half), + __DEFINE_LINK_MODE_PARAMS(1000, T, Full), + __DEFINE_SPECIAL_MODE_PARAMS(Autoneg), + __DEFINE_SPECIAL_MODE_PARAMS(TP), + __DEFINE_SPECIAL_MODE_PARAMS(AUI), + __DEFINE_SPECIAL_MODE_PARAMS(MII), + __DEFINE_SPECIAL_MODE_PARAMS(FIBRE), + __DEFINE_SPECIAL_MODE_PARAMS(BNC), + __DEFINE_LINK_MODE_PARAMS(10000, T, Full), + __DEFINE_SPECIAL_MODE_PARAMS(Pause), + __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause), + __DEFINE_LINK_MODE_PARAMS(2500, X, Full), + __DEFINE_SPECIAL_MODE_PARAMS(Backplane), + __DEFINE_LINK_MODE_PARAMS(1000, KX, Full), + __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full), + __DEFINE_LINK_MODE_PARAMS(10000, KR, Full), + [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = { + .speed = SPEED_10000, + .lanes = 1, + .duplex = DUPLEX_FULL, + }, + __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full), + __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full), + __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full), + __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full), + __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full), + __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full), + __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full), + __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full), + __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full), + __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full), + __DEFINE_LINK_MODE_PARAMS(25000, CR, Full), + __DEFINE_LINK_MODE_PARAMS(25000, KR, Full), + __DEFINE_LINK_MODE_PARAMS(25000, SR, Full), + __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full), + __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full), + __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full), + __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full), + __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full), + __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full), + __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full), + __DEFINE_LINK_MODE_PARAMS(1000, X, Full), + __DEFINE_LINK_MODE_PARAMS(10000, CR, Full), + __DEFINE_LINK_MODE_PARAMS(10000, SR, Full), + __DEFINE_LINK_MODE_PARAMS(10000, LR, Full), + __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full), + __DEFINE_LINK_MODE_PARAMS(10000, ER, Full), + __DEFINE_LINK_MODE_PARAMS(2500, T, Full), + __DEFINE_LINK_MODE_PARAMS(5000, T, Full), + __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE), + __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS), + __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER), + __DEFINE_LINK_MODE_PARAMS(50000, KR, Full), + __DEFINE_LINK_MODE_PARAMS(50000, SR, Full), + __DEFINE_LINK_MODE_PARAMS(50000, CR, Full), + __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full), + __DEFINE_LINK_MODE_PARAMS(50000, DR, Full), + __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full), + __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full), + __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full), + __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full), + __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full), + __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full), + __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full), + __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full), + __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full), + __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full), + __DEFINE_LINK_MODE_PARAMS(100, T1, Full), + __DEFINE_LINK_MODE_PARAMS(1000, T1, Full), + __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full), + __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full), + __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full), + __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full), + __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full), + __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS), + __DEFINE_LINK_MODE_PARAMS(100000, KR, Full), + __DEFINE_LINK_MODE_PARAMS(100000, SR, Full), + __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full), + __DEFINE_LINK_MODE_PARAMS(100000, DR, Full), + __DEFINE_LINK_MODE_PARAMS(100000, CR, Full), + __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full), + __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full), + __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full), + __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full), + __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full), + __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full), + __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full), + __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full), + __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full), + __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full), + __DEFINE_LINK_MODE_PARAMS(100, FX, Half), + __DEFINE_LINK_MODE_PARAMS(100, FX, Full), + __DEFINE_LINK_MODE_PARAMS(10, T1L, Full), + __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full), + __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full), + __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full), + __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full), + __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full), + __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full), + __DEFINE_LINK_MODE_PARAMS(10, T1S, Full), + __DEFINE_LINK_MODE_PARAMS(10, T1S, Half), + __DEFINE_LINK_MODE_PARAMS(10, T1S_P2MP, Half), + __DEFINE_LINK_MODE_PARAMS(10, T1BRR, Full), + __DEFINE_LINK_MODE_PARAMS(200000, CR, Full), + __DEFINE_LINK_MODE_PARAMS(200000, KR, Full), + __DEFINE_LINK_MODE_PARAMS(200000, DR, Full), + __DEFINE_LINK_MODE_PARAMS(200000, DR_2, Full), + __DEFINE_LINK_MODE_PARAMS(200000, SR, Full), + __DEFINE_LINK_MODE_PARAMS(200000, VR, Full), + __DEFINE_LINK_MODE_PARAMS(400000, CR2, Full), + __DEFINE_LINK_MODE_PARAMS(400000, KR2, Full), + __DEFINE_LINK_MODE_PARAMS(400000, DR2, Full), + __DEFINE_LINK_MODE_PARAMS(400000, DR2_2, Full), + __DEFINE_LINK_MODE_PARAMS(400000, SR2, Full), + __DEFINE_LINK_MODE_PARAMS(400000, VR2, Full), + __DEFINE_LINK_MODE_PARAMS(800000, CR4, Full), + __DEFINE_LINK_MODE_PARAMS(800000, KR4, Full), + __DEFINE_LINK_MODE_PARAMS(800000, DR4, Full), + __DEFINE_LINK_MODE_PARAMS(800000, DR4_2, Full), + __DEFINE_LINK_MODE_PARAMS(800000, SR4, Full), + __DEFINE_LINK_MODE_PARAMS(800000, VR4, Full), + __DEFINE_LINK_MODE_PARAMS(1600000, CR8, Full), + __DEFINE_LINK_MODE_PARAMS(1600000, KR8, Full), + __DEFINE_LINK_MODE_PARAMS(1600000, DR8, Full), + __DEFINE_LINK_MODE_PARAMS(1600000, DR8_2, Full), +}; +static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); +EXPORT_SYMBOL_GPL(link_mode_params); + +const char netif_msg_class_names[][ETH_GSTRING_LEN] = { + [NETIF_MSG_DRV_BIT] = "drv", + [NETIF_MSG_PROBE_BIT] = "probe", + [NETIF_MSG_LINK_BIT] = "link", + [NETIF_MSG_TIMER_BIT] = "timer", + [NETIF_MSG_IFDOWN_BIT] = "ifdown", + [NETIF_MSG_IFUP_BIT] = "ifup", + [NETIF_MSG_RX_ERR_BIT] = "rx_err", + [NETIF_MSG_TX_ERR_BIT] = "tx_err", + [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", + [NETIF_MSG_INTR_BIT] = "intr", + [NETIF_MSG_TX_DONE_BIT] = "tx_done", + [NETIF_MSG_RX_STATUS_BIT] = "rx_status", + [NETIF_MSG_PKTDATA_BIT] = "pktdata", + [NETIF_MSG_HW_BIT] = "hw", + [NETIF_MSG_WOL_BIT] = "wol", +}; +static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); + +const char wol_mode_names[][ETH_GSTRING_LEN] = { + [const_ilog2(WAKE_PHY)] = "phy", + [const_ilog2(WAKE_UCAST)] = "ucast", + [const_ilog2(WAKE_MCAST)] = "mcast", + [const_ilog2(WAKE_BCAST)] = "bcast", + [const_ilog2(WAKE_ARP)] = "arp", + [const_ilog2(WAKE_MAGIC)] = "magic", + [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", + [const_ilog2(WAKE_FILTER)] = "filter", +}; +static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); + +const char sof_timestamping_names[][ETH_GSTRING_LEN] = { + [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit", + [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit", + [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive", + [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive", + [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock", + [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock", + [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock", + [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id", + [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit", + [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit", + [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg", + [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly", + [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", + [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", + [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", + [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc", + [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp", + [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter", + [const_ilog2(SOF_TIMESTAMPING_TX_COMPLETION)] = "tx-completion", +}; +static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); + +const char ts_tx_type_names[][ETH_GSTRING_LEN] = { + [HWTSTAMP_TX_OFF] = "off", + [HWTSTAMP_TX_ON] = "on", + [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", + [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", +}; +static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); + +const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { + [HWTSTAMP_FILTER_NONE] = "none", + [HWTSTAMP_FILTER_ALL] = "all", + [HWTSTAMP_FILTER_SOME] = "some", + [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", + [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", + [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", + [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", + [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", + [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", + [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", + [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", + [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", + [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", + [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", + [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", + [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", +}; +static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); + +const char ts_flags_names[][ETH_GSTRING_LEN] = { + [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index", +}; +static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT); + +const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = { + [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan", + [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve", + [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe", +}; +static_assert(ARRAY_SIZE(udp_tunnel_type_names) == + __ETHTOOL_UDP_TUNNEL_TYPE_CNT); + +/* return false if legacy contained non-0 deprecated fields + * maxtxpkt/maxrxpkt. rest of ksettings always updated + */ +bool +convert_legacy_settings_to_link_ksettings( + struct ethtool_link_ksettings *link_ksettings, + const struct ethtool_cmd *legacy_settings) +{ + bool retval = true; + + memset(link_ksettings, 0, sizeof(*link_ksettings)); + + /* This is used to tell users that driver is still using these + * deprecated legacy fields, and they should not use + * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS + */ + if (legacy_settings->maxtxpkt || + legacy_settings->maxrxpkt) + retval = false; + + ethtool_convert_legacy_u32_to_link_mode( + link_ksettings->link_modes.supported, + legacy_settings->supported); + ethtool_convert_legacy_u32_to_link_mode( + link_ksettings->link_modes.advertising, + legacy_settings->advertising); + ethtool_convert_legacy_u32_to_link_mode( + link_ksettings->link_modes.lp_advertising, + legacy_settings->lp_advertising); + link_ksettings->base.speed + = ethtool_cmd_speed(legacy_settings); + link_ksettings->base.duplex + = legacy_settings->duplex; + link_ksettings->base.port + = legacy_settings->port; + link_ksettings->base.phy_address + = legacy_settings->phy_address; + link_ksettings->base.autoneg + = legacy_settings->autoneg; + link_ksettings->base.mdio_support + = legacy_settings->mdio_support; + link_ksettings->base.eth_tp_mdix + = legacy_settings->eth_tp_mdix; + link_ksettings->base.eth_tp_mdix_ctrl + = legacy_settings->eth_tp_mdix_ctrl; + return retval; +} + +int __ethtool_get_link(struct net_device *dev) +{ + if (!dev->ethtool_ops->get_link) + return -EOPNOTSUPP; + + return netif_running(dev) && dev->ethtool_ops->get_link(dev); +} + +int ethtool_get_rx_ring_count(struct net_device *dev) +{ + const struct ethtool_ops *ops = dev->ethtool_ops; + struct ethtool_rxnfc rx_rings = {}; + int ret; + + if (ops->get_rx_ring_count) + return ops->get_rx_ring_count(dev); + + if (!ops->get_rxnfc) + return -EOPNOTSUPP; + + rx_rings.cmd = ETHTOOL_GRXRINGS; + ret = ops->get_rxnfc(dev, &rx_rings, NULL); + if (ret < 0) + return ret; + + return rx_rings.data; +} + +static int ethtool_get_rxnfc_rule_count(struct net_device *dev) +{ + const struct ethtool_ops *ops = dev->ethtool_ops; + struct ethtool_rxnfc info = { + .cmd = ETHTOOL_GRXCLSRLCNT, + }; + int err; + + err = ops->get_rxnfc(dev, &info, NULL); + if (err) + return err; + + return info.rule_cnt; +} + +/* Max offset for one RSS context */ +static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx) +{ + u32 max_ring = 0; + u32 i, *tbl; + + if (WARN_ON_ONCE(!ctx)) + return 0; + tbl = ethtool_rxfh_context_indir(ctx); + for (i = 0; i < ctx->indir_size; i++) + max_ring = max(max_ring, tbl[i]); + return max_ring; +} + +static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max) +{ + const struct ethtool_ops *ops = dev->ethtool_ops; + struct ethtool_rxnfc *info; + int err, i, rule_cnt; + u64 max_ring = 0; + + if (!ops->get_rxnfc) + return -EOPNOTSUPP; + + rule_cnt = ethtool_get_rxnfc_rule_count(dev); + if (rule_cnt <= 0) + return -EINVAL; + + info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->cmd = ETHTOOL_GRXCLSRLALL; + info->rule_cnt = rule_cnt; + err = ops->get_rxnfc(dev, info, info->rule_locs); + if (err) + goto err_free_info; + + for (i = 0; i < rule_cnt; i++) { + struct ethtool_rxnfc rule_info = { + .cmd = ETHTOOL_GRXCLSRULE, + .fs.location = info->rule_locs[i], + }; + + err = ops->get_rxnfc(dev, &rule_info, NULL); + if (err) + goto err_free_info; + + if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC && + rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE && + !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) { + u64 ring = rule_info.fs.ring_cookie; + + if (rule_info.flow_type & FLOW_RSS) { + struct ethtool_rxfh_context *ctx; + + ctx = xa_load(&dev->ethtool->rss_ctx, + rule_info.rss_context); + ring += ethtool_get_rss_ctx_max_channel(ctx); + } + max_ring = max_t(u64, max_ring, ring); + } + } + + kvfree(info); + *max = max_ring; + return 0; + +err_free_info: + kvfree(info); + return err; +} + +/* Max offset across all of a device's RSS contexts */ +static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev) +{ + struct ethtool_rxfh_context *ctx; + unsigned long context; + u32 max_ring = 0; + + mutex_lock(&dev->ethtool->rss_lock); + xa_for_each(&dev->ethtool->rss_ctx, context, ctx) + max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx)); + mutex_unlock(&dev->ethtool->rss_lock); + + return max_ring; +} + +static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) +{ + struct ethtool_rxfh_param rxfh = {}; + u32 dev_size, current_max = 0; + int ret; + + /* While we do track whether RSS context has an indirection + * table explicitly set by the user, no driver looks at that bit. + * Assume drivers won't auto-regenerate the additional tables, + * to be safe. + */ + current_max = ethtool_get_max_rss_ctx_channel(dev); + + if (!netif_is_rxfh_configured(dev)) + return current_max; + + if (!dev->ethtool_ops->get_rxfh_indir_size || + !dev->ethtool_ops->get_rxfh) + return current_max; + dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); + if (dev_size == 0) + return current_max; + + rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER); + if (!rxfh.indir) + return U32_MAX; + + mutex_lock(&dev->ethtool->rss_lock); + ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); + mutex_unlock(&dev->ethtool->rss_lock); + if (ret) { + current_max = U32_MAX; + goto out_free; + } + + while (dev_size--) + current_max = max(current_max, rxfh.indir[dev_size]); + +out_free: + kfree(rxfh.indir); + return current_max; +} + +int ethtool_check_max_channel(struct net_device *dev, + struct ethtool_channels channels, + struct genl_info *info) +{ + u64 max_rxnfc_in_use; + u32 max_rxfh_in_use; + int max_mp_in_use; + + /* ensure the new Rx count fits within the configured Rx flow + * indirection table/rxnfc settings + */ + if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use)) + max_rxnfc_in_use = 0; + max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev); + if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) { + if (info) + GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use); + return -EINVAL; + } + if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) { + if (info) + GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings"); + return -EINVAL; + } + + max_mp_in_use = dev_get_min_mp_channel_count(dev); + if (channels.combined_count + channels.rx_count <= max_mp_in_use) { + if (info) + GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use); + return -EINVAL; + } + + return 0; +} + +int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context) +{ + const struct ethtool_ops *ops = dev->ethtool_ops; + struct ethtool_rxnfc *info; + int rc, i, rule_cnt; + + if (!ops->get_rxnfc) + return 0; + + rule_cnt = ethtool_get_rxnfc_rule_count(dev); + if (!rule_cnt) + return 0; + + if (rule_cnt < 0) + return -EINVAL; + + info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->cmd = ETHTOOL_GRXCLSRLALL; + info->rule_cnt = rule_cnt; + rc = ops->get_rxnfc(dev, info, info->rule_locs); + if (rc) + goto out_free; + + for (i = 0; i < rule_cnt; i++) { + struct ethtool_rxnfc rule_info = { + .cmd = ETHTOOL_GRXCLSRULE, + .fs.location = info->rule_locs[i], + }; + + rc = ops->get_rxnfc(dev, &rule_info, NULL); + if (rc) + goto out_free; + + if (rule_info.fs.flow_type & FLOW_RSS && + rule_info.rss_context == rss_context) { + rc = -EBUSY; + goto out_free; + } + } + +out_free: + kvfree(info); + return rc; +} + +struct ethtool_rxfh_context * +ethtool_rxfh_ctx_alloc(const struct ethtool_ops *ops, + u32 indir_size, u32 key_size) +{ + size_t indir_bytes, flex_len, key_off, size; + struct ethtool_rxfh_context *ctx; + u32 priv_bytes, indir_max; + u16 key_max; + + key_max = max(key_size, ops->rxfh_key_space); + indir_max = max(indir_size, ops->rxfh_indir_space); + + priv_bytes = ALIGN(ops->rxfh_priv_size, sizeof(u32)); + indir_bytes = array_size(indir_max, sizeof(u32)); + + key_off = size_add(priv_bytes, indir_bytes); + flex_len = size_add(key_off, key_max); + size = struct_size_t(struct ethtool_rxfh_context, data, flex_len); + + ctx = kzalloc(size, GFP_KERNEL_ACCOUNT); + if (!ctx) + return NULL; + + ctx->indir_size = indir_size; + ctx->key_size = key_size; + ctx->key_off = key_off; + ctx->priv_size = ops->rxfh_priv_size; + + ctx->hfunc = ETH_RSS_HASH_NO_CHANGE; + ctx->input_xfrm = RXH_XFRM_NO_CHANGE; + + return ctx; +} + +/* Check if fields configured for flow hash are symmetric - if src is included + * so is dst and vice versa. + */ +int ethtool_rxfh_config_is_sym(u64 rxfh) +{ + bool sym; + + sym = rxfh == (rxfh & (RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3)); + sym &= !!(rxfh & RXH_IP_SRC) == !!(rxfh & RXH_IP_DST); + sym &= !!(rxfh & RXH_L4_B_0_1) == !!(rxfh & RXH_L4_B_2_3); + + return sym; +} + +int ethtool_check_ops(const struct ethtool_ops *ops) +{ + if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) + return -EINVAL; + if (WARN_ON(ops->rxfh_max_num_contexts == 1)) + return -EINVAL; + if (WARN_ON(ops->supported_input_xfrm && !ops->get_rxfh_fields)) + return -EINVAL; + if (WARN_ON(ops->supported_input_xfrm && + ops->rxfh_per_ctx_fields != ops->rxfh_per_ctx_key)) + return -EINVAL; + + /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, + * the fact that ops are checked at registration time does not + * mean the ops attached to a netdev later on are sane. + */ + return 0; +} + +void ethtool_ringparam_get_cfg(struct net_device *dev, + struct ethtool_ringparam *param, + struct kernel_ethtool_ringparam *kparam, + struct netlink_ext_ack *extack) +{ + memset(param, 0, sizeof(*param)); + memset(kparam, 0, sizeof(*kparam)); + + param->cmd = ETHTOOL_GRINGPARAM; + dev->ethtool_ops->get_ringparam(dev, param, kparam, extack); + + /* Driver gives us current state, we want to return current config */ + kparam->tcp_data_split = dev->cfg->hds_config; + kparam->hds_thresh = dev->cfg->hds_thresh; +} + +static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info) +{ + memset(info, 0, sizeof(*info)); + info->cmd = ETHTOOL_GET_TS_INFO; + info->phc_index = -1; +} + +int ethtool_net_get_ts_info_by_phc(struct net_device *dev, + struct kernel_ethtool_ts_info *info, + struct hwtstamp_provider_desc *hwprov_desc) +{ + const struct ethtool_ops *ops = dev->ethtool_ops; + int err; + + if (!ops->get_ts_info) + return -EOPNOTSUPP; + + /* Does ptp comes from netdev */ + ethtool_init_tsinfo(info); + info->phc_qualifier = hwprov_desc->qualifier; + err = ops->get_ts_info(dev, info); + if (err) + return err; + + if (info->phc_index == hwprov_desc->index && + net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier)) + return 0; + + return -ENODEV; +} + +struct phy_device * +ethtool_phy_get_ts_info_by_phc(struct net_device *dev, + struct kernel_ethtool_ts_info *info, + struct hwtstamp_provider_desc *hwprov_desc) +{ + int err; + + /* Only precise qualifier is supported in phydev */ + if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) + return ERR_PTR(-ENODEV); + + /* Look in the phy topology */ + if (dev->link_topo) { + struct phy_device_node *pdn; + unsigned long phy_index; + + xa_for_each(&dev->link_topo->phys, phy_index, pdn) { + if (!phy_has_tsinfo(pdn->phy)) + continue; + + ethtool_init_tsinfo(info); + err = phy_ts_info(pdn->phy, info); + if (err) + return ERR_PTR(err); + + if (info->phc_index == hwprov_desc->index) + return pdn->phy; + } + return ERR_PTR(-ENODEV); + } + + /* Look on the dev->phydev */ + if (phy_has_tsinfo(dev->phydev)) { + ethtool_init_tsinfo(info); + err = phy_ts_info(dev->phydev, info); + if (err) + return ERR_PTR(err); + + if (info->phc_index == hwprov_desc->index) + return dev->phydev; + } + + return ERR_PTR(-ENODEV); +} + +int ethtool_get_ts_info_by_phc(struct net_device *dev, + struct kernel_ethtool_ts_info *info, + struct hwtstamp_provider_desc *hwprov_desc) +{ + int err; + + err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc); + if (err == -ENODEV || err == -EOPNOTSUPP) { + struct phy_device *phy; + + phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc); + if (IS_ERR(phy)) + return PTR_ERR(phy); + + /* Report the phc source only if we have a real + * phc source with an index. + */ + if (info->phc_index >= 0) { + info->phc_source = HWTSTAMP_SOURCE_PHYLIB; + info->phc_phyindex = phy->phyindex; + } + err = 0; + } else if (!err && info->phc_index >= 0) { + info->phc_source = HWTSTAMP_SOURCE_NETDEV; + } + + info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE; + + return err; +} + +int __ethtool_get_ts_info(struct net_device *dev, + struct kernel_ethtool_ts_info *info) +{ + struct hwtstamp_provider *hwprov; + int err = 0; + + rcu_read_lock(); + hwprov = rcu_dereference(dev->hwprov); + /* No provider specified, use default behavior */ + if (!hwprov) { + const struct ethtool_ops *ops = dev->ethtool_ops; + struct phy_device *phydev = dev->phydev; + + ethtool_init_tsinfo(info); + if (phy_is_default_hwtstamp(phydev) && + phy_has_tsinfo(phydev)) { + err = phy_ts_info(phydev, info); + /* Report the phc source only if we have a real + * phc source with an index. + */ + if (!err && info->phc_index >= 0) { + info->phc_source = HWTSTAMP_SOURCE_PHYLIB; + info->phc_phyindex = phydev->phyindex; + } + } else if (ops->get_ts_info) { + err = ops->get_ts_info(dev, info); + if (!err && info->phc_index >= 0) + info->phc_source = HWTSTAMP_SOURCE_NETDEV; + } + + info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE; + + rcu_read_unlock(); + return err; + } + + err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); + rcu_read_unlock(); + return err; +} + +bool net_support_hwtstamp_qualifier(struct net_device *dev, + enum hwtstamp_provider_qualifier qualifier) +{ + const struct ethtool_ops *ops = dev->ethtool_ops; + + if (!ops) + return false; + + /* Return true with precise qualifier and with NIC without + * qualifier description to not break the old behavior. + */ + if (!ops->supported_hwtstamp_qualifiers && + qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) + return true; + + if (ops->supported_hwtstamp_qualifiers & BIT(qualifier)) + return true; + + return false; +} + +int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) +{ + struct kernel_ethtool_ts_info info = { }; + int num = 0; + + if (!__ethtool_get_ts_info(dev, &info)) + num = ptp_get_vclocks_index(info.phc_index, vclock_index); + + return num; +} +EXPORT_SYMBOL(ethtool_get_phc_vclocks); + +int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info) +{ + return __ethtool_get_ts_info(dev, info); +} +EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); + +const struct ethtool_phy_ops *ethtool_phy_ops; + +void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) +{ + ASSERT_RTNL(); + ethtool_phy_ops = ops; +} +EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops); + +void +ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, + enum ethtool_link_mode_bit_indices link_mode) +{ + const struct link_mode_info *link_info; + + if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS)) + return; + + link_info = &link_mode_params[link_mode]; + link_ksettings->base.speed = link_info->speed; + link_ksettings->lanes = link_info->lanes; + link_ksettings->base.duplex = link_info->duplex; +} +EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode); + +/** + * ethtool_forced_speed_maps_init + * @maps: Pointer to an array of Ethtool forced speed map + * @size: Array size + * + * Initialize an array of Ethtool forced speed map to Ethtool link modes. This + * should be called during driver module init. + */ +void +ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size) +{ + for (u32 i = 0; i < size; i++) { + struct ethtool_forced_speed_map *map = &maps[i]; + + linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); + map->cap_arr = NULL; + map->arr_size = 0; + } +} +EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init); + +void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id) +{ + struct ethtool_rxfh_context *ctx; + + WARN_ONCE(!rtnl_is_locked() && + !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), + "RSS context lock assertion failed\n"); + + netdev_err(dev, "device error, RSS context %d lost\n", context_id); + ctx = xa_erase(&dev->ethtool->rss_ctx, context_id); + kfree(ctx); + ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_DELETE_NTF, context_id); +} +EXPORT_SYMBOL(ethtool_rxfh_context_lost); |