diff options
| author |   Dimitris Michailidis <d.michailidis@fungible.com> | 2022-06-27 11:20:00 -0700 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2022-06-28 21:26:26 -0700 |
| commit | f03c8a1e33ce5f28851b8077a5a417a2d0600c2f (patch) | |
| tree | 9a4648fbf7f75455fd25576ed0dbca98a1ef973d /drivers/net/ethernet/fungible/funeth/funeth_ethtool.c | |
| parent | af_unix: Do not call kmemdup() for init_net's sysctl table. (diff) | |
| download | linux-dev-f03c8a1e33ce5f28851b8077a5a417a2d0600c2f.tar.xz linux-dev-f03c8a1e33ce5f28851b8077a5a417a2d0600c2f.zip | |
net/funeth: Support for ethtool -m
Add the FW command for reading port module memory pages and implement
ethtool's get_module_eeprom_by_page operation.
Signed-off-by: Dimitris Michailidis <dmichail@fungible.com>
Link: https://lore.kernel.org/r/20220627182000.8198-1-dmichail@fungible.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/fungible/funeth/funeth_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/fungible/funeth/funeth_ethtool.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/ethernet/fungible/funeth/funeth_ethtool.c b/drivers/net/ethernet/fungible/funeth/funeth_ethtool.c index da42dd53a87c..31aa185f4d17 100644 --- a/drivers/net/ethernet/fungible/funeth/funeth_ethtool.c +++ b/drivers/net/ethernet/fungible/funeth/funeth_ethtool.c @@ -1118,6 +1118,39 @@ static int fun_set_fecparam(struct net_device *netdev, return fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_FEC, fec_mode); } +static int fun_get_port_module_page(struct net_device *netdev, + const struct ethtool_module_eeprom *req, + struct netlink_ext_ack *extack) +{ + union { + struct fun_admin_port_req req; + struct fun_admin_port_xcvr_read_rsp rsp; + } cmd; + struct funeth_priv *fp = netdev_priv(netdev); + int rc; + + if (fp->port_caps & FUN_PORT_CAP_VPORT) { + NL_SET_ERR_MSG_MOD(extack, + "Specified port is virtual, only physical ports have modules"); + return -EOPNOTSUPP; + } + + cmd.req.common = FUN_ADMIN_REQ_COMMON_INIT2(FUN_ADMIN_OP_PORT, + sizeof(cmd.req)); + cmd.req.u.xcvr_read = + FUN_ADMIN_PORT_XCVR_READ_REQ_INIT(0, netdev->dev_port, + req->bank, req->page, + req->offset, req->length, + req->i2c_address); + rc = fun_submit_admin_sync_cmd(fp->fdev, &cmd.req.common, &cmd.rsp, + sizeof(cmd.rsp), 0); + if (rc) + return rc; + + memcpy(req->data, cmd.rsp.data, req->length); + return req->length; +} + static const struct ethtool_ops fun_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES, @@ -1156,6 +1189,7 @@ static const struct ethtool_ops fun_ethtool_ops = { .get_eth_mac_stats = fun_get_802_3_stats, .get_eth_ctrl_stats = fun_get_802_3_ctrl_stats, .get_rmon_stats = fun_get_rmon_stats, + .get_module_eeprom_by_page = fun_get_port_module_page, }; void fun_set_ethtool_ops(struct net_device *netdev) |