diff options
| author | Alexander Lobakin <alobakin@marvell.com> | 2020-07-20 21:08:07 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-20 17:59:44 -0700 |
| commit | ae7e69379fd5a87141fd8c7f2efab8e73f2a9f7e (patch) | |
| tree | f6fdda7d5a8779edcfb14bbe7946eea466697efa /drivers/net/ethernet/qlogic/qed/qed_dev.c | |
| parent | 37237b5b7104f91b519133d7862d1b5169a3ba8e (diff) | |
qed: add support for Forward Error Correction
Add all necessary routines for reading supported FEC modes from NVM and
querying FEC control to the MFW (if the running version supports it).
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_dev.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dev.c | 54 |
1 files changed, 37 insertions, 17 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 491a6dbb5d73..d929556247a5 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -3968,7 +3968,7 @@ unlock_and_exit: static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { - u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities; + u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities, fc; u32 nvm_cfg1_offset, mf_mode, addr, generic_cont0, core_cfg; struct qed_mcp_link_capabilities *p_caps; struct qed_mcp_link_params *link; @@ -4081,16 +4081,38 @@ static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) p_hwfn->mcp_info->link_capabilities.default_speed_autoneg = link->speed.autoneg; - link_temp &= NVM_CFG1_PORT_DRV_FLOW_CONTROL_MASK; - link_temp >>= NVM_CFG1_PORT_DRV_FLOW_CONTROL_OFFSET; - link->pause.autoneg = !!(link_temp & - NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG); - link->pause.forced_rx = !!(link_temp & - NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX); - link->pause.forced_tx = !!(link_temp & - NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX); + fc = GET_MFW_FIELD(link_temp, NVM_CFG1_PORT_DRV_FLOW_CONTROL); + link->pause.autoneg = !!(fc & NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG); + link->pause.forced_rx = !!(fc & NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX); + link->pause.forced_tx = !!(fc & NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX); link->loopback_mode = 0; + if (p_hwfn->mcp_info->capabilities & + FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) { + switch (GET_MFW_FIELD(link_temp, + NVM_CFG1_PORT_FEC_FORCE_MODE)) { + case NVM_CFG1_PORT_FEC_FORCE_MODE_NONE: + p_caps->fec_default |= QED_FEC_MODE_NONE; + break; + case NVM_CFG1_PORT_FEC_FORCE_MODE_FIRECODE: + p_caps->fec_default |= QED_FEC_MODE_FIRECODE; + break; + case NVM_CFG1_PORT_FEC_FORCE_MODE_RS: + p_caps->fec_default |= QED_FEC_MODE_RS; + break; + case NVM_CFG1_PORT_FEC_FORCE_MODE_AUTO: + p_caps->fec_default |= QED_FEC_MODE_AUTO; + break; + default: + DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, + "unknown FEC mode in 0x%08x\n", link_temp); + } + } else { + p_caps->fec_default = QED_FEC_MODE_UNSUPPORTED; + } + + link->fec = p_caps->fec_default; + if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) { link_temp = qed_rd(p_hwfn, p_ptt, port_cfg_addr + offsetof(struct nvm_cfg1_port, ext_phy)); @@ -4122,14 +4144,12 @@ static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) p_caps->default_eee = QED_MCP_EEE_UNSUPPORTED; } - DP_VERBOSE(p_hwfn, - NETIF_MSG_LINK, - "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x EEE: %02x [%08x usec]\n", - link->speed.forced_speed, - link->speed.advertised_speeds, - link->speed.autoneg, - link->pause.autoneg, - p_caps->default_eee, p_caps->eee_lpi_timer); + DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, + "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x, EEE: 0x%02x [0x%08x usec], FEC: 0x%02x\n", + link->speed.forced_speed, link->speed.advertised_speeds, + link->speed.autoneg, link->pause.autoneg, + p_caps->default_eee, p_caps->eee_lpi_timer, + p_caps->fec_default); if (IS_LEAD_HWFN(p_hwfn)) { struct qed_dev *cdev = p_hwfn->cdev; |