diff options
| author | Vasundhara Volam <vasundhara-v.volam@broadcom.com> | 2017-10-26 18:51:26 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-27 18:02:45 +0300 |
| commit | 49f7972fd16407b3d1f03c2d447d2f1e1b95e9ba (patch) | |
| tree | dceb7f4a16edcbfeb854138a681d7ff2aa12ea84 /drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | |
| parent | 7eb9bb3a0c7c29741df2249cc3b99f06a7978d61 (diff) | |
| download | linux-49f7972fd16407b3d1f03c2d447d2f1e1b95e9ba.tar.xz | |
bnxt_en: Add ethtool reset method
This is a firmware internal reset after driver is unloaded.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index fe93625e0539..fc32df7f979f 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1337,7 +1337,6 @@ static int bnxt_firmware_reset(struct net_device *dev, bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); - /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ /* (e.g. when firmware isn't already running) */ switch (dir_type) { @@ -1363,6 +1362,10 @@ static int bnxt_firmware_reset(struct net_device *dev, case BNX_DIR_TYPE_BONO_PATCH: req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; break; + case BNXT_FW_RESET_CHIP: + req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP; + req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP; + break; default: return -EINVAL; } @@ -2485,6 +2488,37 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest, } } +static int bnxt_reset(struct net_device *dev, u32 *flags) +{ + struct bnxt *bp = netdev_priv(dev); + int rc = 0; + + if (!BNXT_PF(bp)) { + netdev_err(dev, "Reset is not supported from a VF\n"); + return -EOPNOTSUPP; + } + + if (pci_vfs_assigned(bp->pdev)) { + netdev_err(dev, + "Reset not allowed when VFs are assigned to VMs\n"); + return -EBUSY; + } + + if (*flags == ETH_RESET_ALL) { + /* This feature is not supported in older firmware versions */ + if (bp->hwrm_spec_code < 0x10803) + return -EOPNOTSUPP; + + rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP); + if (!rc) + netdev_info(dev, "Reset request successful. Reload driver to complete reset\n"); + } else { + rc = -EINVAL; + } + + return rc; +} + void bnxt_ethtool_init(struct bnxt *bp) { struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr; @@ -2597,4 +2631,5 @@ const struct ethtool_ops bnxt_ethtool_ops = { .nway_reset = bnxt_nway_reset, .set_phys_id = bnxt_set_phys_id, .self_test = bnxt_self_test, + .reset = bnxt_reset, }; |