diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4vf')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c | 73 |
4 files changed, 94 insertions, 12 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index 9a81b52307a9..ff84791a0ff8 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -274,7 +274,7 @@ static int link_start(struct net_device *dev) * is enabled on a port. */ if (ret == 0) - ret = t4vf_enable_vi(pi->adapter, pi->viid, true, true); + ret = t4vf_enable_pi(pi->adapter, pi, true, true); /* The Virtual Interfaces are connected to an internal switch on the * chip which allows VIs attached to the same port to talk to each @@ -822,8 +822,7 @@ static int cxgb4vf_stop(struct net_device *dev) netif_tx_stop_all_queues(dev); netif_carrier_off(dev); - t4vf_enable_vi(adapter, pi->viid, false, false); - pi->link_cfg.link_ok = 0; + t4vf_enable_pi(adapter, pi, false, false); clear_bit(pi->port_id, &adapter->open_device_map); if (adapter->open_device_map == 0) @@ -1419,6 +1418,22 @@ static int cxgb4vf_get_link_ksettings(struct net_device *dev, base->duplex = DUPLEX_UNKNOWN; } + if (pi->link_cfg.fc & PAUSE_RX) { + if (pi->link_cfg.fc & PAUSE_TX) { + ethtool_link_ksettings_add_link_mode(link_ksettings, + advertising, + Pause); + } else { + ethtool_link_ksettings_add_link_mode(link_ksettings, + advertising, + Asym_Pause); + } + } else if (pi->link_cfg.fc & PAUSE_TX) { + ethtool_link_ksettings_add_link_mode(link_ksettings, + advertising, + Asym_Pause); + } + base->autoneg = pi->link_cfg.autoneg; if (pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG) ethtool_link_ksettings_add_link_mode(link_ksettings, diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index dfce5df7538e..3007e1ac1e61 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -756,7 +756,7 @@ static void *alloc_ring(struct device *dev, size_t nelem, size_t hwsize, * Allocate the hardware ring and PCI DMA bus address space for said. */ size_t hwlen = nelem * hwsize + stat_size; - void *hwring = dma_alloc_coherent(dev, hwlen, busaddrp, GFP_KERNEL); + void *hwring = dma_zalloc_coherent(dev, hwlen, busaddrp, GFP_KERNEL); if (!hwring) return NULL; @@ -776,11 +776,6 @@ static void *alloc_ring(struct device *dev, size_t nelem, size_t hwsize, *(void **)swringp = swring; } - /* - * Zero out the hardware ring and return its address as our function - * value. - */ - memset(hwring, 0, hwlen); return hwring; } diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h index 712e8f0c71b4..ccca67cf4487 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h @@ -391,7 +391,10 @@ int t4vf_config_rss_range(struct adapter *, unsigned int, int, int, int t4vf_alloc_vi(struct adapter *, int); int t4vf_free_vi(struct adapter *, int); -int t4vf_enable_vi(struct adapter *, unsigned int, bool, bool); +int t4vf_enable_vi(struct adapter *adapter, unsigned int viid, bool rx_en, + bool tx_en); +int t4vf_enable_pi(struct adapter *adapter, struct port_info *pi, bool rx_en, + bool tx_en); int t4vf_identify_port(struct adapter *, unsigned int, unsigned int); int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int, diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c index 798695bf8678..5b8c08cf523f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c @@ -341,8 +341,8 @@ static fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16) CAP16_TO_CAP32(FC_RX); CAP16_TO_CAP32(FC_TX); CAP16_TO_CAP32(ANEG); - CAP16_TO_CAP32(MDIX); CAP16_TO_CAP32(MDIAUTO); + CAP16_TO_CAP32(MDISTRAIGHT); CAP16_TO_CAP32(FEC_RS); CAP16_TO_CAP32(FEC_BASER_RS); CAP16_TO_CAP32(802_3_PAUSE); @@ -405,6 +405,36 @@ static unsigned int fwcap_to_speed(fw_port_cap32_t caps) return 0; } +/** + * fwcap_to_fwspeed - return highest speed in Port Capabilities + * @acaps: advertised Port Capabilities + * + * Get the highest speed for the port from the advertised Port + * Capabilities. It will be either the highest speed from the list of + * speeds or whatever user has set using ethtool. + */ +static fw_port_cap32_t fwcap_to_fwspeed(fw_port_cap32_t acaps) +{ + #define TEST_SPEED_RETURN(__caps_speed) \ + do { \ + if (acaps & FW_PORT_CAP32_SPEED_##__caps_speed) \ + return FW_PORT_CAP32_SPEED_##__caps_speed; \ + } while (0) + + TEST_SPEED_RETURN(400G); + TEST_SPEED_RETURN(200G); + TEST_SPEED_RETURN(100G); + TEST_SPEED_RETURN(50G); + TEST_SPEED_RETURN(40G); + TEST_SPEED_RETURN(25G); + TEST_SPEED_RETURN(10G); + TEST_SPEED_RETURN(1G); + TEST_SPEED_RETURN(100M); + + #undef TEST_SPEED_RETURN + return 0; +} + /* * init_link_config - initialize a link's SW state * @lc: structure holding the link state @@ -431,6 +461,13 @@ static void init_link_config(struct link_config *lc, lc->requested_fec = FEC_AUTO; lc->fec = lc->auto_fec; + /* If the Port is capable of Auto-Negtotiation, initialize it as + * "enabled" and copy over all of the Physical Port Capabilities + * to the Advertised Port Capabilities. Otherwise mark it as + * Auto-Negotiate disabled and select the highest supported speed + * for the link. Note parallel structure in t4_link_l1cfg_core() + * and t4_handle_get_port_info(). + */ if (lc->pcaps & FW_PORT_CAP32_ANEG) { lc->acaps = acaps & ADVERT_MASK; lc->autoneg = AUTONEG_ENABLE; @@ -438,6 +475,7 @@ static void init_link_config(struct link_config *lc, } else { lc->acaps = 0; lc->autoneg = AUTONEG_DISABLE; + lc->speed_caps = fwcap_to_fwspeed(acaps); } } @@ -1362,6 +1400,30 @@ int t4vf_enable_vi(struct adapter *adapter, unsigned int viid, } /** + * t4vf_enable_pi - enable/disable a Port's virtual interface + * @adapter: the adapter + * @pi: the Port Information structure + * @rx_en: 1=enable Rx, 0=disable Rx + * @tx_en: 1=enable Tx, 0=disable Tx + * + * Enables/disables a Port's virtual interface. If the Virtual + * Interface enable/disable operation is successful, we notify the + * OS-specific code of a potential Link Status change via the OS Contract + * API t4vf_os_link_changed(). + */ +int t4vf_enable_pi(struct adapter *adapter, struct port_info *pi, + bool rx_en, bool tx_en) +{ + int ret = t4vf_enable_vi(adapter, pi->viid, rx_en, tx_en); + + if (ret) + return ret; + t4vf_os_link_changed(adapter, pi->pidx, + rx_en && tx_en && pi->link_cfg.link_ok); + return 0; +} + +/** * t4vf_identify_port - identify a VI's port by blinking its LED * @adapter: the adapter * @viid: the Virtual Interface ID @@ -1955,7 +2017,14 @@ static void t4vf_handle_get_port_info(struct port_info *pi, lc->lpacaps = lpacaps; lc->acaps = acaps & ADVERT_MASK; - if (lc->acaps & FW_PORT_CAP32_ANEG) { + /* If we're not physically capable of Auto-Negotiation, note + * this as Auto-Negotiation disabled. Otherwise, we track + * what Auto-Negotiation settings we have. Note parallel + * structure in init_link_config(). + */ + if (!(lc->pcaps & FW_PORT_CAP32_ANEG)) { + lc->autoneg = AUTONEG_DISABLE; + } else if (lc->acaps & FW_PORT_CAP32_ANEG) { lc->autoneg = AUTONEG_ENABLE; } else { /* When Autoneg is disabled, user needs to set |