diff --git a/drivers/net/ethernet/meta/fbnic/Makefile b/drivers/net/ethernet/meta/fbnic/Makefile index 9373b558fdc92..ed4533a73c575 100644 --- a/drivers/net/ethernet/meta/fbnic/Makefile +++ b/drivers/net/ethernet/meta/fbnic/Makefile @@ -8,7 +8,9 @@ obj-$(CONFIG_FBNIC) += fbnic.o fbnic-y := fbnic_devlink.o \ + fbnic_ethtool.o \ fbnic_fw.o \ + fbnic_hw_stats.o \ fbnic_irq.o \ fbnic_mac.o \ fbnic_netdev.o \ diff --git a/drivers/net/ethernet/meta/fbnic/fbnic.h b/drivers/net/ethernet/meta/fbnic/fbnic.h index ad2689bfd6cb8..0f9e8d79461c6 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic.h +++ b/drivers/net/ethernet/meta/fbnic/fbnic.h @@ -11,6 +11,7 @@ #include "fbnic_csr.h" #include "fbnic_fw.h" +#include "fbnic_hw_stats.h" #include "fbnic_mac.h" #include "fbnic_rpc.h" @@ -47,6 +48,9 @@ struct fbnic_dev { /* Number of TCQs/RCQs available on hardware */ u16 max_num_queues; + + /* Local copy of hardware statistics */ + struct fbnic_hw_stats hw_stats; }; /* Reserve entry 0 in the MSI-X "others" array until we have filled all @@ -132,6 +136,9 @@ void fbnic_free_irq(struct fbnic_dev *dev, int nr, void *data); void fbnic_free_irqs(struct fbnic_dev *fbd); int fbnic_alloc_irqs(struct fbnic_dev *fbd); +void fbnic_get_fw_ver_commit_str(struct fbnic_dev *fbd, char *fw_version, + const size_t str_sz); + enum fbnic_boards { fbnic_board_asic }; diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_csr.h b/drivers/net/ethernet/meta/fbnic/fbnic_csr.h index a64360de05527..21db509acbc15 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_csr.h +++ b/drivers/net/ethernet/meta/fbnic/fbnic_csr.h @@ -660,6 +660,43 @@ enum { #define FBNIC_SIG_PCS_INTR_MASK 0x11816 /* 0x46058 */ #define FBNIC_CSR_END_SIG 0x1184e /* CSR section delimiter */ +#define FBNIC_CSR_START_MAC_STAT 0x11a00 +#define FBNIC_MAC_STAT_RX_BYTE_COUNT_L 0x11a08 /* 0x46820 */ +#define FBNIC_MAC_STAT_RX_BYTE_COUNT_H 0x11a09 /* 0x46824 */ +#define FBNIC_MAC_STAT_RX_ALIGN_ERROR_L \ + 0x11a0a /* 0x46828 */ +#define FBNIC_MAC_STAT_RX_ALIGN_ERROR_H \ + 0x11a0b /* 0x4682c */ +#define FBNIC_MAC_STAT_RX_TOOLONG_L 0x11a0e /* 0x46838 */ +#define FBNIC_MAC_STAT_RX_TOOLONG_H 0x11a0f /* 0x4683c */ +#define FBNIC_MAC_STAT_RX_RECEIVED_OK_L \ + 0x11a12 /* 0x46848 */ +#define FBNIC_MAC_STAT_RX_RECEIVED_OK_H \ + 0x11a13 /* 0x4684c */ +#define FBNIC_MAC_STAT_RX_PACKET_BAD_FCS_L \ + 0x11a14 /* 0x46850 */ +#define FBNIC_MAC_STAT_RX_PACKET_BAD_FCS_H \ + 0x11a15 /* 0x46854 */ +#define FBNIC_MAC_STAT_RX_IFINERRORS_L 0x11a18 /* 0x46860 */ +#define FBNIC_MAC_STAT_RX_IFINERRORS_H 0x11a19 /* 0x46864 */ +#define FBNIC_MAC_STAT_RX_MULTICAST_L 0x11a1c /* 0x46870 */ +#define FBNIC_MAC_STAT_RX_MULTICAST_H 0x11a1d /* 0x46874 */ +#define FBNIC_MAC_STAT_RX_BROADCAST_L 0x11a1e /* 0x46878 */ +#define FBNIC_MAC_STAT_RX_BROADCAST_H 0x11a1f /* 0x4687c */ +#define FBNIC_MAC_STAT_TX_BYTE_COUNT_L 0x11a3e /* 0x468f8 */ +#define FBNIC_MAC_STAT_TX_BYTE_COUNT_H 0x11a3f /* 0x468fc */ +#define FBNIC_MAC_STAT_TX_TRANSMITTED_OK_L \ + 0x11a42 /* 0x46908 */ +#define FBNIC_MAC_STAT_TX_TRANSMITTED_OK_H \ + 0x11a43 /* 0x4690c */ +#define FBNIC_MAC_STAT_TX_IFOUTERRORS_L \ + 0x11a46 /* 0x46918 */ +#define FBNIC_MAC_STAT_TX_IFOUTERRORS_H \ + 0x11a47 /* 0x4691c */ +#define FBNIC_MAC_STAT_TX_MULTICAST_L 0x11a4a /* 0x46928 */ +#define FBNIC_MAC_STAT_TX_MULTICAST_H 0x11a4b /* 0x4692c */ +#define FBNIC_MAC_STAT_TX_BROADCAST_L 0x11a4c /* 0x46930 */ +#define FBNIC_MAC_STAT_TX_BROADCAST_H 0x11a4d /* 0x46934 */ /* PUL User Registers */ #define FBNIC_CSR_START_PUL_USER 0x31000 /* CSR section delimiter */ #define FBNIC_PUL_OB_TLP_HDR_AW_CFG 0x3103d /* 0xc40f4 */ diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c new file mode 100644 index 0000000000000..5d980e1789414 --- /dev/null +++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c @@ -0,0 +1,75 @@ +#include +#include +#include + +#include "fbnic.h" +#include "fbnic_netdev.h" +#include "fbnic_tlv.h" + +static void +fbnic_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) +{ + struct fbnic_net *fbn = netdev_priv(netdev); + struct fbnic_dev *fbd = fbn->fbd; + + fbnic_get_fw_ver_commit_str(fbd, drvinfo->fw_version, + sizeof(drvinfo->fw_version)); +} + +static void fbnic_set_counter(u64 *stat, struct fbnic_stat_counter *counter) +{ + if (counter->reported) + *stat = counter->value; +} + +static void +fbnic_get_eth_mac_stats(struct net_device *netdev, + struct ethtool_eth_mac_stats *eth_mac_stats) +{ + struct fbnic_net *fbn = netdev_priv(netdev); + struct fbnic_mac_stats *mac_stats; + struct fbnic_dev *fbd = fbn->fbd; + const struct fbnic_mac *mac; + + mac_stats = &fbd->hw_stats.mac; + mac = fbd->mac; + + mac->get_eth_mac_stats(fbd, false, &mac_stats->eth_mac); + + fbnic_set_counter(ð_mac_stats->FramesTransmittedOK, + &mac_stats->eth_mac.FramesTransmittedOK); + fbnic_set_counter(ð_mac_stats->FramesReceivedOK, + &mac_stats->eth_mac.FramesReceivedOK); + fbnic_set_counter(ð_mac_stats->FrameCheckSequenceErrors, + &mac_stats->eth_mac.FrameCheckSequenceErrors); + fbnic_set_counter(ð_mac_stats->AlignmentErrors, + &mac_stats->eth_mac.AlignmentErrors); + fbnic_set_counter(ð_mac_stats->OctetsTransmittedOK, + &mac_stats->eth_mac.OctetsTransmittedOK); + fbnic_set_counter(ð_mac_stats->FramesLostDueToIntMACXmitError, + &mac_stats->eth_mac.FramesLostDueToIntMACXmitError); + fbnic_set_counter(ð_mac_stats->OctetsReceivedOK, + &mac_stats->eth_mac.OctetsReceivedOK); + fbnic_set_counter(ð_mac_stats->FramesLostDueToIntMACRcvError, + &mac_stats->eth_mac.FramesLostDueToIntMACRcvError); + fbnic_set_counter(ð_mac_stats->MulticastFramesXmittedOK, + &mac_stats->eth_mac.MulticastFramesXmittedOK); + fbnic_set_counter(ð_mac_stats->BroadcastFramesXmittedOK, + &mac_stats->eth_mac.BroadcastFramesXmittedOK); + fbnic_set_counter(ð_mac_stats->MulticastFramesReceivedOK, + &mac_stats->eth_mac.MulticastFramesReceivedOK); + fbnic_set_counter(ð_mac_stats->BroadcastFramesReceivedOK, + &mac_stats->eth_mac.BroadcastFramesReceivedOK); + fbnic_set_counter(ð_mac_stats->FrameTooLongErrors, + &mac_stats->eth_mac.FrameTooLongErrors); +} + +static const struct ethtool_ops fbnic_ethtool_ops = { + .get_drvinfo = fbnic_get_drvinfo, + .get_eth_mac_stats = fbnic_get_eth_mac_stats, +}; + +void fbnic_set_ethtool_ops(struct net_device *dev) +{ + dev->ethtool_ops = &fbnic_ethtool_ops; +} diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_fw.c b/drivers/net/ethernet/meta/fbnic/fbnic_fw.c index 0c6e1b4c119b6..8f7a2a19ddf80 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_fw.c +++ b/drivers/net/ethernet/meta/fbnic/fbnic_fw.c @@ -789,3 +789,16 @@ void fbnic_mbx_flush_tx(struct fbnic_dev *fbd) count += (tx_mbx->head - head) % FBNIC_IPC_MBX_DESC_LEN; } while (count < FBNIC_IPC_MBX_DESC_LEN && --attempts); } + +void fbnic_get_fw_ver_commit_str(struct fbnic_dev *fbd, char *fw_version, + const size_t str_sz) +{ + struct fbnic_fw_ver *mgmt = &fbd->fw_cap.running.mgmt; + const char *delim = ""; + + if (mgmt->commit[0]) + delim = "_"; + + fbnic_mk_full_fw_ver_str(mgmt->version, delim, mgmt->commit, + fw_version, str_sz); +} diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_fw.h b/drivers/net/ethernet/meta/fbnic/fbnic_fw.h index c65bca613665a..221faf8c67566 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_fw.h +++ b/drivers/net/ethernet/meta/fbnic/fbnic_fw.h @@ -53,10 +53,10 @@ int fbnic_fw_xmit_ownership_msg(struct fbnic_dev *fbd, bool take_ownership); int fbnic_fw_init_heartbeat(struct fbnic_dev *fbd, bool poll); void fbnic_fw_check_heartbeat(struct fbnic_dev *fbd); -#define fbnic_mk_full_fw_ver_str(_rev_id, _delim, _commit, _str) \ +#define fbnic_mk_full_fw_ver_str(_rev_id, _delim, _commit, _str, _str_sz) \ do { \ const u32 __rev_id = _rev_id; \ - snprintf(_str, sizeof(_str), "%02lu.%02lu.%02lu-%03lu%s%s", \ + snprintf(_str, _str_sz, "%02lu.%02lu.%02lu-%03lu%s%s", \ FIELD_GET(FBNIC_FW_CAP_RESP_VERSION_MAJOR, __rev_id), \ FIELD_GET(FBNIC_FW_CAP_RESP_VERSION_MINOR, __rev_id), \ FIELD_GET(FBNIC_FW_CAP_RESP_VERSION_PATCH, __rev_id), \ @@ -65,7 +65,7 @@ do { \ } while (0) #define fbnic_mk_fw_ver_str(_rev_id, _str) \ - fbnic_mk_full_fw_ver_str(_rev_id, "", "", _str) + fbnic_mk_full_fw_ver_str(_rev_id, "", "", _str, sizeof(_str)) #define FW_HEARTBEAT_PERIOD (10 * HZ) diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_hw_stats.c b/drivers/net/ethernet/meta/fbnic/fbnic_hw_stats.c new file mode 100644 index 0000000000000..a0acc7606aa1a --- /dev/null +++ b/drivers/net/ethernet/meta/fbnic/fbnic_hw_stats.c @@ -0,0 +1,27 @@ +#include "fbnic.h" + +u64 fbnic_stat_rd64(struct fbnic_dev *fbd, u32 reg, u32 offset) +{ + u32 prev_upper, upper, lower, diff; + + prev_upper = rd32(fbd, reg + offset); + lower = rd32(fbd, reg); + upper = rd32(fbd, reg + offset); + + diff = upper - prev_upper; + if (!diff) + return ((u64)upper << 32) | lower; + + if (diff > 1) + dev_warn_once(fbd->dev, + "Stats inconsistent, upper 32b of %#010x updating too quickly\n", + reg * 4); + + /* Return only the upper bits as we cannot guarantee + * the accuracy of the lower bits. We will add them in + * when the counter slows down enough that we can get + * a snapshot with both upper values being the same + * between reads. + */ + return ((u64)upper << 32); +} diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_hw_stats.h b/drivers/net/ethernet/meta/fbnic/fbnic_hw_stats.h new file mode 100644 index 0000000000000..30348904b5107 --- /dev/null +++ b/drivers/net/ethernet/meta/fbnic/fbnic_hw_stats.h @@ -0,0 +1,40 @@ +#include + +#include "fbnic_csr.h" + +struct fbnic_stat_counter { + u64 value; + union { + u32 old_reg_value_32; + u64 old_reg_value_64; + } u; + bool reported; +}; + +struct fbnic_eth_mac_stats { + struct fbnic_stat_counter FramesTransmittedOK; + struct fbnic_stat_counter FramesReceivedOK; + struct fbnic_stat_counter FrameCheckSequenceErrors; + struct fbnic_stat_counter AlignmentErrors; + struct fbnic_stat_counter OctetsTransmittedOK; + struct fbnic_stat_counter FramesLostDueToIntMACXmitError; + struct fbnic_stat_counter OctetsReceivedOK; + struct fbnic_stat_counter FramesLostDueToIntMACRcvError; + struct fbnic_stat_counter MulticastFramesXmittedOK; + struct fbnic_stat_counter BroadcastFramesXmittedOK; + struct fbnic_stat_counter MulticastFramesReceivedOK; + struct fbnic_stat_counter BroadcastFramesReceivedOK; + struct fbnic_stat_counter FrameTooLongErrors; +}; + +struct fbnic_mac_stats { + struct fbnic_eth_mac_stats eth_mac; +}; + +struct fbnic_hw_stats { + struct fbnic_mac_stats mac; +}; + +u64 fbnic_stat_rd64(struct fbnic_dev *fbd, u32 reg, u32 offset); + +void fbnic_get_hw_stats(struct fbnic_dev *fbd); diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_mac.c b/drivers/net/ethernet/meta/fbnic/fbnic_mac.c index 7920e7af82d9c..7b654d0a6dac6 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_mac.c +++ b/drivers/net/ethernet/meta/fbnic/fbnic_mac.c @@ -403,6 +403,21 @@ static void fbnic_mac_init_regs(struct fbnic_dev *fbd) fbnic_mac_init_txb(fbd); } +static void __fbnic_mac_stat_rd64(struct fbnic_dev *fbd, bool reset, u32 reg, + struct fbnic_stat_counter *stat) +{ + u64 new_reg_value; + + new_reg_value = fbnic_stat_rd64(fbd, reg, 1); + if (!reset) + stat->value += new_reg_value - stat->u.old_reg_value_64; + stat->u.old_reg_value_64 = new_reg_value; + stat->reported = true; +} + +#define fbnic_mac_stat_rd64(fbd, reset, __stat, __CSR) \ + __fbnic_mac_stat_rd64(fbd, reset, FBNIC_##__CSR##_L, &(__stat)) + static void fbnic_mac_tx_pause_config(struct fbnic_dev *fbd, bool tx_pause) { u32 rxb_pause_ctrl; @@ -637,12 +652,47 @@ static void fbnic_mac_link_up_asic(struct fbnic_dev *fbd, wr32(fbd, FBNIC_MAC_COMMAND_CONFIG, cmd_cfg); } +static void +fbnic_mac_get_eth_mac_stats(struct fbnic_dev *fbd, bool reset, + struct fbnic_eth_mac_stats *mac_stats) +{ + fbnic_mac_stat_rd64(fbd, reset, mac_stats->OctetsReceivedOK, + MAC_STAT_RX_BYTE_COUNT); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->AlignmentErrors, + MAC_STAT_RX_ALIGN_ERROR); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->FrameTooLongErrors, + MAC_STAT_RX_TOOLONG); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->FramesReceivedOK, + MAC_STAT_RX_RECEIVED_OK); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->FrameCheckSequenceErrors, + MAC_STAT_RX_PACKET_BAD_FCS); + fbnic_mac_stat_rd64(fbd, reset, + mac_stats->FramesLostDueToIntMACRcvError, + MAC_STAT_RX_IFINERRORS); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->MulticastFramesReceivedOK, + MAC_STAT_RX_MULTICAST); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->BroadcastFramesReceivedOK, + MAC_STAT_RX_BROADCAST); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->OctetsTransmittedOK, + MAC_STAT_TX_BYTE_COUNT); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->FramesTransmittedOK, + MAC_STAT_TX_TRANSMITTED_OK); + fbnic_mac_stat_rd64(fbd, reset, + mac_stats->FramesLostDueToIntMACXmitError, + MAC_STAT_TX_IFOUTERRORS); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->MulticastFramesXmittedOK, + MAC_STAT_TX_MULTICAST); + fbnic_mac_stat_rd64(fbd, reset, mac_stats->BroadcastFramesXmittedOK, + MAC_STAT_TX_BROADCAST); +} + static const struct fbnic_mac fbnic_mac_asic = { .init_regs = fbnic_mac_init_regs, .pcs_enable = fbnic_pcs_enable_asic, .pcs_disable = fbnic_pcs_disable_asic, .pcs_get_link = fbnic_pcs_get_link_asic, .pcs_get_link_event = fbnic_pcs_get_link_event_asic, + .get_eth_mac_stats = fbnic_mac_get_eth_mac_stats, .link_down = fbnic_mac_link_down_asic, .link_up = fbnic_mac_link_up_asic, }; diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_mac.h b/drivers/net/ethernet/meta/fbnic/fbnic_mac.h index f53be6e6aef9d..476239a9d381e 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_mac.h +++ b/drivers/net/ethernet/meta/fbnic/fbnic_mac.h @@ -78,6 +78,9 @@ struct fbnic_mac { bool (*pcs_get_link)(struct fbnic_dev *fbd); int (*pcs_get_link_event)(struct fbnic_dev *fbd); + void (*get_eth_mac_stats)(struct fbnic_dev *fbd, bool reset, + struct fbnic_eth_mac_stats *mac_stats); + void (*link_down)(struct fbnic_dev *fbd); void (*link_up)(struct fbnic_dev *fbd, bool tx_pause, bool rx_pause); }; diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c index 5713743612599..a400616a24d41 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c +++ b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c @@ -521,6 +521,8 @@ struct net_device *fbnic_netdev_alloc(struct fbnic_dev *fbd) netdev->netdev_ops = &fbnic_netdev_ops; netdev->stat_ops = &fbnic_stat_ops; + fbnic_set_ethtool_ops(netdev); + fbn = netdev_priv(netdev); fbn->netdev = netdev; diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h index 60199e634468d..6c27da09a6122 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h +++ b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h @@ -58,6 +58,7 @@ int fbnic_netdev_register(struct net_device *netdev); void fbnic_netdev_unregister(struct net_device *netdev); void fbnic_reset_queues(struct fbnic_net *fbn, unsigned int tx, unsigned int rx); +void fbnic_set_ethtool_ops(struct net_device *dev); void __fbnic_set_rx_mode(struct net_device *netdev); void fbnic_clear_rx_mode(struct net_device *netdev);