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sfc: move some port link state/caps code
The moved code handles MCDI port link state and capabilities. Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alex Maftei (amaftei)
David S. Miller
parent
43ad352dc8
commit
a2ba4b971a
4 changed files with 204 additions and 195 deletions
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@ -3,7 +3,7 @@ sfc-y += efx.o efx_common.o efx_channels.o nic.o \
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farch.o siena.o ef10.o \
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tx.o tx_common.o rx.o rx_common.o \
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selftest.o ethtool.o ptp.o tx_tso.o \
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mcdi.o mcdi_port.o \
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mcdi.o mcdi_port.o mcdi_port_common.o \
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mcdi_mon.o
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sfc-$(CONFIG_SFC_MTD) += mtd.o
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sfc-$(CONFIG_SFC_SRIOV) += sriov.o siena_sriov.o ef10_sriov.o
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@ -134,21 +134,6 @@ static int efx_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **xdpfs,
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*
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**************************************************************************/
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void efx_link_set_advertising(struct efx_nic *efx,
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const unsigned long *advertising)
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{
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memcpy(efx->link_advertising, advertising,
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sizeof(__ETHTOOL_DECLARE_LINK_MODE_MASK()));
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efx->link_advertising[0] |= ADVERTISED_Autoneg;
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if (advertising[0] & ADVERTISED_Pause)
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efx->wanted_fc |= (EFX_FC_TX | EFX_FC_RX);
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else
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efx->wanted_fc &= ~(EFX_FC_TX | EFX_FC_RX);
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if (advertising[0] & ADVERTISED_Asym_Pause)
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efx->wanted_fc ^= EFX_FC_TX;
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}
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/* Equivalent to efx_link_set_advertising with all-zeroes, except does not
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* force the Autoneg bit on.
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*/
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@ -16,91 +16,6 @@
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#include "selftest.h"
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#include "mcdi_port_common.h"
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int efx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_data *cfg)
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{
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MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_CFG_OUT_LEN);
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size_t outlen;
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int rc;
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BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_IN_LEN != 0);
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BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_OUT_NAME_LEN != sizeof(cfg->name));
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rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_CFG, NULL, 0,
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outbuf, sizeof(outbuf), &outlen);
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if (rc)
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goto fail;
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if (outlen < MC_CMD_GET_PHY_CFG_OUT_LEN) {
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rc = -EIO;
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goto fail;
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}
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cfg->flags = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_FLAGS);
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cfg->type = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_TYPE);
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cfg->supported_cap =
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MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_SUPPORTED_CAP);
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cfg->channel = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_CHANNEL);
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cfg->port = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_PRT);
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cfg->stats_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_STATS_MASK);
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memcpy(cfg->name, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_NAME),
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sizeof(cfg->name));
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cfg->media = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MEDIA_TYPE);
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cfg->mmd_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MMD_MASK);
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memcpy(cfg->revision, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_REVISION),
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sizeof(cfg->revision));
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return 0;
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fail:
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netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
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return rc;
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}
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int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities,
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u32 flags, u32 loopback_mode,
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u32 loopback_speed)
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{
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MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_LINK_IN_LEN);
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int rc;
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BUILD_BUG_ON(MC_CMD_SET_LINK_OUT_LEN != 0);
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MCDI_SET_DWORD(inbuf, SET_LINK_IN_CAP, capabilities);
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MCDI_SET_DWORD(inbuf, SET_LINK_IN_FLAGS, flags);
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MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_MODE, loopback_mode);
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MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_SPEED, loopback_speed);
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rc = efx_mcdi_rpc(efx, MC_CMD_SET_LINK, inbuf, sizeof(inbuf),
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NULL, 0, NULL);
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return rc;
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}
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int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes)
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{
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MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LOOPBACK_MODES_OUT_LEN);
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size_t outlen;
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int rc;
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rc = efx_mcdi_rpc(efx, MC_CMD_GET_LOOPBACK_MODES, NULL, 0,
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outbuf, sizeof(outbuf), &outlen);
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if (rc)
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goto fail;
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if (outlen < (MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_OFST +
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MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_LEN)) {
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rc = -EIO;
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goto fail;
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}
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*loopback_modes = MCDI_QWORD(outbuf, GET_LOOPBACK_MODES_OUT_SUGGESTED);
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return 0;
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fail:
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netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
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return rc;
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}
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static int efx_mcdi_mdio_read(struct net_device *net_dev,
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int prtad, int devad, u16 addr)
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{
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@ -154,70 +69,6 @@ static int efx_mcdi_mdio_write(struct net_device *net_dev,
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return 0;
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}
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void mcdi_to_ethtool_linkset(u32 media, u32 cap, unsigned long *linkset)
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{
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#define SET_BIT(name) __set_bit(ETHTOOL_LINK_MODE_ ## name ## _BIT, \
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linkset)
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bitmap_zero(linkset, __ETHTOOL_LINK_MODE_MASK_NBITS);
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switch (media) {
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case MC_CMD_MEDIA_KX4:
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SET_BIT(Backplane);
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if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
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SET_BIT(1000baseKX_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
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SET_BIT(10000baseKX4_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
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SET_BIT(40000baseKR4_Full);
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break;
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case MC_CMD_MEDIA_XFP:
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case MC_CMD_MEDIA_SFP_PLUS:
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case MC_CMD_MEDIA_QSFP_PLUS:
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SET_BIT(FIBRE);
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if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
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SET_BIT(1000baseT_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
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SET_BIT(10000baseT_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
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SET_BIT(40000baseCR4_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_100000FDX_LBN))
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SET_BIT(100000baseCR4_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_25000FDX_LBN))
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SET_BIT(25000baseCR_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_50000FDX_LBN))
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SET_BIT(50000baseCR2_Full);
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break;
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case MC_CMD_MEDIA_BASE_T:
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SET_BIT(TP);
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if (cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN))
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SET_BIT(10baseT_Half);
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if (cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN))
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SET_BIT(10baseT_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN))
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SET_BIT(100baseT_Half);
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if (cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN))
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SET_BIT(100baseT_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN))
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SET_BIT(1000baseT_Half);
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if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
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SET_BIT(1000baseT_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
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SET_BIT(10000baseT_Full);
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break;
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}
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if (cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
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SET_BIT(Pause);
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if (cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
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SET_BIT(Asym_Pause);
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if (cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
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SET_BIT(Autoneg);
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#undef SET_BIT
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}
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u32 ethtool_linkset_to_mcdi_cap(const unsigned long *linkset)
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{
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u32 result = 0;
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@ -308,34 +159,6 @@ u8 mcdi_to_ethtool_media(u32 media)
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}
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}
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void efx_mcdi_phy_decode_link(struct efx_nic *efx,
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struct efx_link_state *link_state,
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u32 speed, u32 flags, u32 fcntl)
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{
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switch (fcntl) {
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case MC_CMD_FCNTL_AUTO:
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WARN_ON(1); /* This is not a link mode */
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link_state->fc = EFX_FC_AUTO | EFX_FC_TX | EFX_FC_RX;
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break;
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case MC_CMD_FCNTL_BIDIR:
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link_state->fc = EFX_FC_TX | EFX_FC_RX;
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break;
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case MC_CMD_FCNTL_RESPOND:
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link_state->fc = EFX_FC_RX;
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break;
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default:
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WARN_ON(1);
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/* Fall through */
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case MC_CMD_FCNTL_OFF:
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link_state->fc = 0;
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break;
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}
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link_state->up = !!(flags & (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN));
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link_state->fd = !!(flags & (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN));
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link_state->speed = speed;
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}
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/* The semantics of the ethtool FEC mode bitmask are not well defined,
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* particularly the meaning of combinations of bits. Which means we get to
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* define our own semantics, as follows:
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@ -652,8 +475,7 @@ efx_mcdi_phy_set_link_ksettings(struct efx_nic *efx,
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return 0;
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}
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int efx_mcdi_phy_get_fecparam(struct efx_nic *efx,
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struct ethtool_fecparam *fec)
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int efx_mcdi_phy_get_fecparam(struct efx_nic *efx, struct ethtool_fecparam *fec)
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{
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MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_V2_LEN);
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u32 caps, active, speed; /* MCDI format */
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202
drivers/net/ethernet/sfc/mcdi_port_common.c
Normal file
202
drivers/net/ethernet/sfc/mcdi_port_common.c
Normal file
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@ -0,0 +1,202 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/****************************************************************************
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* Driver for Solarflare network controllers and boards
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* Copyright 2018 Solarflare Communications Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation, incorporated herein by reference.
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*/
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#include "mcdi_port_common.h"
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int efx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_data *cfg)
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{
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MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_CFG_OUT_LEN);
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size_t outlen;
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int rc;
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BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_IN_LEN != 0);
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BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_OUT_NAME_LEN != sizeof(cfg->name));
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rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_CFG, NULL, 0,
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outbuf, sizeof(outbuf), &outlen);
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if (rc)
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goto fail;
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if (outlen < MC_CMD_GET_PHY_CFG_OUT_LEN) {
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rc = -EIO;
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goto fail;
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}
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cfg->flags = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_FLAGS);
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cfg->type = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_TYPE);
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cfg->supported_cap =
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MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_SUPPORTED_CAP);
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cfg->channel = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_CHANNEL);
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cfg->port = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_PRT);
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cfg->stats_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_STATS_MASK);
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memcpy(cfg->name, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_NAME),
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sizeof(cfg->name));
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cfg->media = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MEDIA_TYPE);
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cfg->mmd_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MMD_MASK);
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memcpy(cfg->revision, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_REVISION),
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sizeof(cfg->revision));
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return 0;
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fail:
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netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
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return rc;
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}
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void efx_link_set_advertising(struct efx_nic *efx,
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const unsigned long *advertising)
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{
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memcpy(efx->link_advertising, advertising,
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sizeof(__ETHTOOL_DECLARE_LINK_MODE_MASK()));
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efx->link_advertising[0] |= ADVERTISED_Autoneg;
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if (advertising[0] & ADVERTISED_Pause)
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efx->wanted_fc |= (EFX_FC_TX | EFX_FC_RX);
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else
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efx->wanted_fc &= ~(EFX_FC_TX | EFX_FC_RX);
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if (advertising[0] & ADVERTISED_Asym_Pause)
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efx->wanted_fc ^= EFX_FC_TX;
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}
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int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities,
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u32 flags, u32 loopback_mode, u32 loopback_speed)
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{
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MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_LINK_IN_LEN);
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int rc;
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BUILD_BUG_ON(MC_CMD_SET_LINK_OUT_LEN != 0);
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MCDI_SET_DWORD(inbuf, SET_LINK_IN_CAP, capabilities);
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MCDI_SET_DWORD(inbuf, SET_LINK_IN_FLAGS, flags);
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MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_MODE, loopback_mode);
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MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_SPEED, loopback_speed);
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rc = efx_mcdi_rpc(efx, MC_CMD_SET_LINK, inbuf, sizeof(inbuf),
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NULL, 0, NULL);
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return rc;
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}
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int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes)
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{
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MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LOOPBACK_MODES_OUT_LEN);
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size_t outlen;
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int rc;
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rc = efx_mcdi_rpc(efx, MC_CMD_GET_LOOPBACK_MODES, NULL, 0,
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outbuf, sizeof(outbuf), &outlen);
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if (rc)
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goto fail;
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if (outlen < (MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_OFST +
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MC_CMD_GET_LOOPBACK_MODES_OUT_SUGGESTED_LEN)) {
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rc = -EIO;
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goto fail;
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}
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*loopback_modes = MCDI_QWORD(outbuf, GET_LOOPBACK_MODES_OUT_SUGGESTED);
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return 0;
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fail:
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netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
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return rc;
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}
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void mcdi_to_ethtool_linkset(u32 media, u32 cap, unsigned long *linkset)
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{
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#define SET_BIT(name) __set_bit(ETHTOOL_LINK_MODE_ ## name ## _BIT, \
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linkset)
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bitmap_zero(linkset, __ETHTOOL_LINK_MODE_MASK_NBITS);
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switch (media) {
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case MC_CMD_MEDIA_KX4:
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SET_BIT(Backplane);
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if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
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SET_BIT(1000baseKX_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
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SET_BIT(10000baseKX4_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
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SET_BIT(40000baseKR4_Full);
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break;
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case MC_CMD_MEDIA_XFP:
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case MC_CMD_MEDIA_SFP_PLUS:
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case MC_CMD_MEDIA_QSFP_PLUS:
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SET_BIT(FIBRE);
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if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
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SET_BIT(1000baseT_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
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SET_BIT(10000baseT_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
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SET_BIT(40000baseCR4_Full);
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if (cap & (1 << MC_CMD_PHY_CAP_100000FDX_LBN))
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SET_BIT(100000baseCR4_Full);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_25000FDX_LBN))
|
||||
SET_BIT(25000baseCR_Full);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_50000FDX_LBN))
|
||||
SET_BIT(50000baseCR2_Full);
|
||||
break;
|
||||
|
||||
case MC_CMD_MEDIA_BASE_T:
|
||||
SET_BIT(TP);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN))
|
||||
SET_BIT(10baseT_Half);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN))
|
||||
SET_BIT(10baseT_Full);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN))
|
||||
SET_BIT(100baseT_Half);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN))
|
||||
SET_BIT(100baseT_Full);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN))
|
||||
SET_BIT(1000baseT_Half);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
|
||||
SET_BIT(1000baseT_Full);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
|
||||
SET_BIT(10000baseT_Full);
|
||||
break;
|
||||
}
|
||||
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
|
||||
SET_BIT(Pause);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
|
||||
SET_BIT(Asym_Pause);
|
||||
if (cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
|
||||
SET_BIT(Autoneg);
|
||||
|
||||
#undef SET_BIT
|
||||
}
|
||||
|
||||
void efx_mcdi_phy_decode_link(struct efx_nic *efx,
|
||||
struct efx_link_state *link_state,
|
||||
u32 speed, u32 flags, u32 fcntl)
|
||||
{
|
||||
switch (fcntl) {
|
||||
case MC_CMD_FCNTL_AUTO:
|
||||
WARN_ON(1); /* This is not a link mode */
|
||||
link_state->fc = EFX_FC_AUTO | EFX_FC_TX | EFX_FC_RX;
|
||||
break;
|
||||
case MC_CMD_FCNTL_BIDIR:
|
||||
link_state->fc = EFX_FC_TX | EFX_FC_RX;
|
||||
break;
|
||||
case MC_CMD_FCNTL_RESPOND:
|
||||
link_state->fc = EFX_FC_RX;
|
||||
break;
|
||||
default:
|
||||
WARN_ON(1);
|
||||
/* Fall through */
|
||||
case MC_CMD_FCNTL_OFF:
|
||||
link_state->fc = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
link_state->up = !!(flags & (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN));
|
||||
link_state->fd = !!(flags & (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN));
|
||||
link_state->speed = speed;
|
||||
}
|
||||
Loading…
Reference in a new issue