From: Weilin Chang
1. Add functions for get_fecparam and set_fecparam.
2. Modify lio_get_link_ksettings to display FEC setting.
Signed-off-by: Weilin Chang
Acked-by: Derek Chickles
Signed-off-by: Felix Manlunas
---
drivers/net/ethernet/cavium/liquidio/lio_core.c| 148 +
drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 76 ++-
drivers/net/ethernet/cavium/liquidio/lio_main.c| 8 ++
.../net/ethernet/cavium/liquidio/liquidio_common.h | 5 +
.../net/ethernet/cavium/liquidio/octeon_device.h | 2 +
.../net/ethernet/cavium/liquidio/octeon_network.h | 7 +-
6 files changed, 243 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c
b/drivers/net/ethernet/cavium/liquidio/lio_core.c
index 52b32b8..eb96b06 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -1654,3 +1654,151 @@ int liquidio_get_speed(struct lio *lio)
return retval;
}
+
+int liquidio_set_fec(struct lio *lio, int on_off)
+{
+ struct oct_nic_seapi_resp *resp;
+ struct octeon_soft_command *sc;
+ struct octeon_device *oct;
+ union octnet_cmd *ncmd;
+ int retval;
+ u32 var;
+
+ oct = lio->oct_dev;
+
+ if (oct->props[lio->ifidx].fec == on_off)
+ return 0;
+
+ if (!OCTEON_CN23XX_PF(oct)) {
+ dev_err(>pci_dev->dev, "%s: SET FEC only for PF\n",
+ __func__);
+ return -1;
+ }
+
+ if (oct->speed_boot != 25) {
+ dev_err(>pci_dev->dev,
+ "Set FEC only when link speed is 25G during insmod\n");
+ return -1;
+ }
+
+ sc = octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,
+ sizeof(struct oct_nic_seapi_resp), 0);
+
+ ncmd = sc->virtdptr;
+ resp = sc->virtrptr;
+ memset(resp, 0, sizeof(struct oct_nic_seapi_resp));
+
+ init_completion(>complete);
+ sc->sc_status = OCTEON_REQUEST_PENDING;
+
+ ncmd->u64 = 0;
+ ncmd->s.cmd = SEAPI_CMD_FEC_SET;
+ ncmd->s.param1 = on_off;
+ /* SEAPI_CMD_FEC_DISABLE(0) or SEAPI_CMD_FEC_RS(1) */
+
+ octeon_swap_8B_data((u64 *)ncmd, (OCTNET_CMD_SIZE >> 3));
+
+ sc->iq_no = lio->linfo.txpciq[0].s.q_no;
+
+ octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
+ OPCODE_NIC_UBOOT_CTL, 0, 0, 0);
+
+ retval = octeon_send_soft_command(oct, sc);
+ if (retval == IQ_SEND_FAILED) {
+ dev_info(>pci_dev->dev, "Failed to send soft command\n");
+ octeon_free_soft_command(oct, sc);
+ return -EIO;
+ }
+
+ retval = wait_for_sc_completion_timeout(oct, sc, 0);
+ if (retval)
+ return (-EIO);
+
+ var = be32_to_cpu(resp->fec_setting);
+ resp->fec_setting = var;
+ if (var != on_off) {
+ dev_err(>pci_dev->dev,
+ "Setting failed fec= %x, expect %x\n",
+ var, on_off);
+ oct->props[lio->ifidx].fec = var;
+ if (resp->fec_setting == SEAPI_CMD_FEC_SET_RS)
+ oct->props[lio->ifidx].fec = 1;
+ else
+ oct->props[lio->ifidx].fec = 0;
+ }
+
+ WRITE_ONCE(sc->caller_is_done, true);
+
+ if (oct->props[lio->ifidx].fec !=
+ oct->props[lio->ifidx].fec_boot) {
+ dev_dbg(>pci_dev->dev,
+ "Reloade driver to chang fec to %s\n",
+ oct->props[lio->ifidx].fec ? "on" : "off");
+ }
+
+ return retval;
+}
+
+int liquidio_get_fec(struct lio *lio)
+{
+ struct oct_nic_seapi_resp *resp;
+ struct octeon_soft_command *sc;
+ struct octeon_device *oct;
+ union octnet_cmd *ncmd;
+ int retval;
+ u32 var;
+
+ oct = lio->oct_dev;
+
+ sc = octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,
+ sizeof(struct oct_nic_seapi_resp), 0);
+ if (!sc)
+ return -ENOMEM;
+
+ ncmd = sc->virtdptr;
+ resp = sc->virtrptr;
+ memset(resp, 0, sizeof(struct oct_nic_seapi_resp));
+
+ init_completion(>complete);
+ sc->sc_status = OCTEON_REQUEST_PENDING;
+
+ ncmd->u64 = 0;
+ ncmd->s.cmd = SEAPI_CMD_FEC_GET;
+
+ octeon_swap_8B_data((u64 *)ncmd, (OCTNET_CMD_SIZE >> 3));
+
+ sc->iq_no = lio->linfo.txpciq[0].s.q_no;
+
+ octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
+ OPCODE_NIC_UBOOT_CTL, 0, 0, 0);
+
+ retval = octeon_send_soft_command(oct, sc);
+ if (retval == IQ_SEND_FAILED) {
+ dev_info(>pci_dev->dev,
+"%s: Failed to send soft command\n", __func__);
+ octeon_free_soft_command(oct, sc);
+ return -EIO;
+ }
+
+ retval =
