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eth: fbnic: Add ethtool support for fbnic

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Add ethtool ops support and enable 'get_drvinfo' for fbnic. The driver
provides firmware version information while the driver name and bus
information is provided by ethtool_get_drvinfo().

Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mohsin Bashir 2024-09-02 10:39:06 -07:00 committed by David S. Miller
parent 5c26516f09
commit bd2557a554
7 changed files with 49 additions and 3 deletions
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1
drivers/net/ethernet/meta/fbnic/Makefile
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@ -8,6 +8,7 @@
obj-$(CONFIG_FBNIC) += fbnic.o
fbnic-y := fbnic_devlink.o \
fbnic_ethtool.o \
fbnic_fw.o \
fbnic_irq.o \
fbnic_mac.o \

3
drivers/net/ethernet/meta/fbnic/fbnic.h
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@ -132,6 +132,9 @@ 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
};

26
drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c Normal file
View File

@ -0,0 +1,26 @@
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#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 const struct ethtool_ops fbnic_ethtool_ops = {
.get_drvinfo = fbnic_get_drvinfo,
};
void fbnic_set_ethtool_ops(struct net_device *dev)
{
dev->ethtool_ops = &fbnic_ethtool_ops;
}

13
drivers/net/ethernet/meta/fbnic/fbnic_fw.c
View File

@ -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);
}

6
drivers/net/ethernet/meta/fbnic/fbnic_fw.h
View File

@ -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)

2
drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
View File

@ -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;

1
drivers/net/ethernet/meta/fbnic/fbnic_netdev.h
View File

@ -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);