diff options
Diffstat (limited to 'drivers/net/sfc/net_driver.h')
| -rw-r--r-- | drivers/net/sfc/net_driver.h | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h index 883086e3945..fb8d72527a3 100644 --- a/drivers/net/sfc/net_driver.h +++ b/drivers/net/sfc/net_driver.h @@ -511,6 +511,35 @@ enum efx_mac_type { EFX_XMAC = 2, }; +static inline unsigned int efx_fc_advertise(enum efx_fc_type wanted_fc) +{ + unsigned int adv = 0; + if (wanted_fc & EFX_FC_RX) + adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + if (wanted_fc & EFX_FC_TX) + adv ^= ADVERTISE_PAUSE_ASYM; + return adv; +} + +static inline enum efx_fc_type efx_fc_resolve(enum efx_fc_type wanted_fc, + unsigned int lpa) +{ + unsigned int adv = efx_fc_advertise(wanted_fc); + + if (!(wanted_fc & EFX_FC_AUTO)) + return wanted_fc; + + if (adv & lpa & ADVERTISE_PAUSE_CAP) + return EFX_FC_RX | EFX_FC_TX; + if (adv & lpa & ADVERTISE_PAUSE_ASYM) { + if (adv & ADVERTISE_PAUSE_CAP) + return EFX_FC_RX; + if (lpa & ADVERTISE_PAUSE_CAP) + return EFX_FC_TX; + } + return 0; +} + /** * struct efx_mac_operations - Efx MAC operations table * @reconfigure: Reconfigure MAC. Serialised by the mac_lock @@ -533,6 +562,8 @@ struct efx_mac_operations { * @check_hw: Check hardware * @get_settings: Get ethtool settings. Serialised by the mac_lock. * @set_settings: Set ethtool settings. Serialised by the mac_lock. + * @set_xnp_advertise: Set abilities advertised in Extended Next Page + * (only needed where AN bit is set in mmds) * @mmds: MMD presence mask * @loopbacks: Supported loopback modes mask */ @@ -548,6 +579,7 @@ struct efx_phy_operations { struct ethtool_cmd *ecmd); int (*set_settings) (struct efx_nic *efx, struct ethtool_cmd *ecmd); + bool (*set_xnp_advertise) (struct efx_nic *efx, u32); int mmds; unsigned loopbacks; }; @@ -724,11 +756,12 @@ union efx_multicast_hash { * @mac_up: MAC link state * @link_up: Link status * @link_fd: Link is full duplex + * @link_fc: Actualy flow control flags * @link_speed: Link speed (Mbps) * @n_link_state_changes: Number of times the link has changed state * @promiscuous: Promiscuous flag. Protected by netif_tx_lock. * @multicast_hash: Multicast hash table - * @flow_control: Flow control flags - separate RX/TX so can't use link_options + * @wanted_fc: Wanted flow control flags * @reconfigure_work: work item for dealing with PHY events * @loopback_mode: Loopback status * @loopback_modes: Supported loopback mode bitmask @@ -805,12 +838,13 @@ struct efx_nic { bool mac_up; bool link_up; bool link_fd; + enum efx_fc_type link_fc; unsigned int link_speed; unsigned int n_link_state_changes; bool promiscuous; union efx_multicast_hash multicast_hash; - enum efx_fc_type flow_control; + enum efx_fc_type wanted_fc; struct work_struct reconfigure_work; atomic_t rx_reset; |