diff options
Diffstat (limited to 'drivers/net/sfc')
-rw-r--r-- | drivers/net/sfc/efx.c | 32 | ||||
-rw-r--r-- | drivers/net/sfc/ethtool.c | 106 | ||||
-rw-r--r-- | drivers/net/sfc/falcon.c | 8 | ||||
-rw-r--r-- | drivers/net/sfc/falcon_xmac.c | 2 | ||||
-rw-r--r-- | drivers/net/sfc/io.h | 2 | ||||
-rw-r--r-- | drivers/net/sfc/mac.h | 4 | ||||
-rw-r--r-- | drivers/net/sfc/mcdi.c | 2 | ||||
-rw-r--r-- | drivers/net/sfc/mcdi_mac.c | 2 | ||||
-rw-r--r-- | drivers/net/sfc/mcdi_pcol.h | 6 | ||||
-rw-r--r-- | drivers/net/sfc/mcdi_phy.c | 4 | ||||
-rw-r--r-- | drivers/net/sfc/net_driver.h | 12 | ||||
-rw-r--r-- | drivers/net/sfc/nic.c | 28 | ||||
-rw-r--r-- | drivers/net/sfc/nic.h | 7 | ||||
-rw-r--r-- | drivers/net/sfc/phy.h | 8 | ||||
-rw-r--r-- | drivers/net/sfc/qt202x_phy.c | 2 | ||||
-rw-r--r-- | drivers/net/sfc/rx.c | 3 | ||||
-rw-r--r-- | drivers/net/sfc/selftest.c | 25 | ||||
-rw-r--r-- | drivers/net/sfc/siena.c | 2 | ||||
-rw-r--r-- | drivers/net/sfc/tenxpress.c | 2 | ||||
-rw-r--r-- | drivers/net/sfc/tx.c | 3 | ||||
-rw-r--r-- | drivers/net/sfc/txc43128_phy.c | 2 |
21 files changed, 102 insertions, 160 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index d890679e4c4..38a55e9e89e 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -328,7 +328,8 @@ static int efx_poll(struct napi_struct *napi, int budget) * processing to finish, then directly poll (and ack ) the eventq. * Finally reenable NAPI and interrupts. * - * Since we are touching interrupts the caller should hold the suspend lock + * This is for use only during a loopback self-test. It must not + * deliver any packets up the stack as this can result in deadlock. */ void efx_process_channel_now(struct efx_channel *channel) { @@ -336,6 +337,7 @@ void efx_process_channel_now(struct efx_channel *channel) BUG_ON(channel->channel >= efx->n_channels); BUG_ON(!channel->enabled); + BUG_ON(!efx->loopback_selftest); /* Disable interrupts and wait for ISRs to complete */ efx_nic_disable_interrupts(efx); @@ -1436,7 +1438,7 @@ static void efx_start_all(struct efx_nic *efx) * restart the transmit interface early so the watchdog timer stops */ efx_start_port(efx); - if (efx_dev_registered(efx)) + if (efx_dev_registered(efx) && !efx->port_inhibited) netif_tx_wake_all_queues(efx->net_dev); efx_for_each_channel(channel, efx) @@ -1874,6 +1876,17 @@ static void efx_set_multicast_list(struct net_device *net_dev) /* Otherwise efx_start_port() will do this */ } +static int efx_set_features(struct net_device *net_dev, u32 data) +{ + struct efx_nic *efx = netdev_priv(net_dev); + + /* If disabling RX n-tuple filtering, clear existing filters */ + if (net_dev->features & ~data & NETIF_F_NTUPLE) + efx_filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL); + + return 0; +} + static const struct net_device_ops efx_netdev_ops = { .ndo_open = efx_net_open, .ndo_stop = efx_net_stop, @@ -1885,6 +1898,7 @@ static const struct net_device_ops efx_netdev_ops = { .ndo_change_mtu = efx_change_mtu, .ndo_set_mac_address = efx_set_mac_address, .ndo_set_multicast_list = efx_set_multicast_list, + .ndo_set_features = efx_set_features, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = efx_netpoll, #endif @@ -2233,7 +2247,7 @@ static bool efx_port_dummy_op_poll(struct efx_nic *efx) return false; } -static struct efx_phy_operations efx_dummy_phy_operations = { +static const struct efx_phy_operations efx_dummy_phy_operations = { .init = efx_port_dummy_op_int, .reconfigure = efx_port_dummy_op_int, .poll = efx_port_dummy_op_poll, @@ -2249,7 +2263,7 @@ static struct efx_phy_operations efx_dummy_phy_operations = { /* This zeroes out and then fills in the invariants in a struct * efx_nic (including all sub-structures). */ -static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type, +static int efx_init_struct(struct efx_nic *efx, const struct efx_nic_type *type, struct pci_dev *pci_dev, struct net_device *net_dev) { int i; @@ -2269,7 +2283,6 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type, strlcpy(efx->name, pci_name(pci_dev), sizeof(efx->name)); efx->net_dev = net_dev; - efx->rx_checksum_enabled = true; spin_lock_init(&efx->stats_lock); mutex_init(&efx->mac_lock); efx->mac_op = type->default_mac_ops; @@ -2440,7 +2453,7 @@ static int efx_pci_probe_main(struct efx_nic *efx) static int __devinit efx_pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *entry) { - struct efx_nic_type *type = (struct efx_nic_type *) entry->driver_data; + const struct efx_nic_type *type = (const struct efx_nic_type *) entry->driver_data; struct net_device *net_dev; struct efx_nic *efx; int i, rc; @@ -2452,12 +2465,15 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev, return -ENOMEM; net_dev->features |= (type->offload_features | NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_TSO | - NETIF_F_GRO); + NETIF_F_RXCSUM); if (type->offload_features & NETIF_F_V6_CSUM) net_dev->features |= NETIF_F_TSO6; /* Mask for features that also apply to VLAN devices */ net_dev->vlan_features |= (NETIF_F_ALL_CSUM | NETIF_F_SG | - NETIF_F_HIGHDMA | NETIF_F_TSO); + NETIF_F_HIGHDMA | NETIF_F_ALL_TSO | + NETIF_F_RXCSUM); + /* All offloads can be toggled */ + net_dev->hw_features = net_dev->features & ~NETIF_F_HIGHDMA; efx = netdev_priv(net_dev); pci_set_drvdata(pci_dev, efx); SET_NETDEV_DEV(net_dev, &pci_dev->dev); diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c index 807178ef65a..5d8468fc580 100644 --- a/drivers/net/sfc/ethtool.c +++ b/drivers/net/sfc/ethtool.c @@ -178,19 +178,27 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = { */ /* Identify device by flashing LEDs */ -static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count) +static int efx_ethtool_phys_id(struct net_device *net_dev, + enum ethtool_phys_id_state state) { struct efx_nic *efx = netdev_priv(net_dev); + enum efx_led_mode mode = EFX_LED_DEFAULT; - do { - efx->type->set_id_led(efx, EFX_LED_ON); - schedule_timeout_interruptible(HZ / 2); - - efx->type->set_id_led(efx, EFX_LED_OFF); - schedule_timeout_interruptible(HZ / 2); - } while (!signal_pending(current) && --count != 0); + switch (state) { + case ETHTOOL_ID_ON: + mode = EFX_LED_ON; + break; + case ETHTOOL_ID_OFF: + mode = EFX_LED_OFF; + break; + case ETHTOOL_ID_INACTIVE: + mode = EFX_LED_DEFAULT; + break; + case ETHTOOL_ID_ACTIVE: + return 1; /* cycle on/off once per second */ + } - efx->type->set_id_led(efx, EFX_LED_DEFAULT); + efx->type->set_id_led(efx, mode); return 0; } @@ -518,72 +526,6 @@ static void efx_ethtool_get_stats(struct net_device *net_dev, } } -static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable) -{ - struct efx_nic *efx __attribute__ ((unused)) = netdev_priv(net_dev); - u32 features; - - features = NETIF_F_TSO; - if (efx->type->offload_features & NETIF_F_V6_CSUM) - features |= NETIF_F_TSO6; - - if (enable) - net_dev->features |= features; - else - net_dev->features &= ~features; - - return 0; -} - -static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable) -{ - struct efx_nic *efx = netdev_priv(net_dev); - u32 features = efx->type->offload_features & NETIF_F_ALL_CSUM; - - if (enable) - net_dev->features |= features; - else - net_dev->features &= ~features; - - return 0; -} - -static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable) -{ - struct efx_nic *efx = netdev_priv(net_dev); - - /* No way to stop the hardware doing the checks; we just - * ignore the result. - */ - efx->rx_checksum_enabled = !!enable; - - return 0; -} - -static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev) -{ - struct efx_nic *efx = netdev_priv(net_dev); - - return efx->rx_checksum_enabled; -} - -static int efx_ethtool_set_flags(struct net_device *net_dev, u32 data) -{ - struct efx_nic *efx = netdev_priv(net_dev); - u32 supported = (efx->type->offload_features & - (ETH_FLAG_RXHASH | ETH_FLAG_NTUPLE)); - int rc; - - rc = ethtool_op_set_flags(net_dev, data, supported); - if (rc) - return rc; - - if (!(data & ETH_FLAG_NTUPLE)) - efx_filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL); - - return 0; -} - static void efx_ethtool_self_test(struct net_device *net_dev, struct ethtool_test *test, u64 *data) { @@ -1070,22 +1012,10 @@ const struct ethtool_ops efx_ethtool_ops = { .set_ringparam = efx_ethtool_set_ringparam, .get_pauseparam = efx_ethtool_get_pauseparam, .set_pauseparam = efx_ethtool_set_pauseparam, - .get_rx_csum = efx_ethtool_get_rx_csum, - .set_rx_csum = efx_ethtool_set_rx_csum, - .get_tx_csum = ethtool_op_get_tx_csum, - /* Need to enable/disable IPv6 too */ - .set_tx_csum = efx_ethtool_set_tx_csum, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .get_tso = ethtool_op_get_tso, - /* Need to enable/disable TSO-IPv6 too */ - .set_tso = efx_ethtool_set_tso, - .get_flags = ethtool_op_get_flags, - .set_flags = efx_ethtool_set_flags, .get_sset_count = efx_ethtool_get_sset_count, .self_test = efx_ethtool_self_test, .get_strings = efx_ethtool_get_strings, - .phys_id = efx_ethtool_phys_id, + .set_phys_id = efx_ethtool_phys_id, .get_ethtool_stats = efx_ethtool_get_stats, .get_wol = efx_ethtool_get_wol, .set_wol = efx_ethtool_set_wol, diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 734fcfb52e8..60176e873d6 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -692,7 +692,7 @@ static int falcon_gmii_wait(struct efx_nic *efx) efx_oword_t md_stat; int count; - /* wait upto 50ms - taken max from datasheet */ + /* wait up to 50ms - taken max from datasheet */ for (count = 0; count < 5000; count++) { efx_reado(efx, &md_stat, FR_AB_MD_STAT); if (EFX_OWORD_FIELD(md_stat, FRF_AB_MD_BSY) == 0) { @@ -1221,7 +1221,7 @@ static int falcon_reset_sram(struct efx_nic *efx) return 0; } - } while (++count < 20); /* wait upto 0.4 sec */ + } while (++count < 20); /* wait up to 0.4 sec */ netif_err(efx, hw, efx->net_dev, "timed out waiting for SRAM reset\n"); return -ETIMEDOUT; @@ -1703,7 +1703,7 @@ static int falcon_set_wol(struct efx_nic *efx, u32 type) ************************************************************************** */ -struct efx_nic_type falcon_a1_nic_type = { +const struct efx_nic_type falcon_a1_nic_type = { .probe = falcon_probe_nic, .remove = falcon_remove_nic, .init = falcon_init_nic, @@ -1744,7 +1744,7 @@ struct efx_nic_type falcon_a1_nic_type = { .reset_world_flags = ETH_RESET_IRQ, }; -struct efx_nic_type falcon_b0_nic_type = { +const struct efx_nic_type falcon_b0_nic_type = { .probe = falcon_probe_nic, .remove = falcon_remove_nic, .init = falcon_init_nic, diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c index 2c9ee5db3bf..9516452c079 100644 --- a/drivers/net/sfc/falcon_xmac.c +++ b/drivers/net/sfc/falcon_xmac.c @@ -362,7 +362,7 @@ void falcon_poll_xmac(struct efx_nic *efx) falcon_ack_status_intr(efx); } -struct efx_mac_operations falcon_xmac_operations = { +const struct efx_mac_operations falcon_xmac_operations = { .reconfigure = falcon_reconfigure_xmac, .update_stats = falcon_update_stats_xmac, .check_fault = falcon_xmac_check_fault, diff --git a/drivers/net/sfc/io.h b/drivers/net/sfc/io.h index d9d8c2ef107..cc978803d48 100644 --- a/drivers/net/sfc/io.h +++ b/drivers/net/sfc/io.h @@ -152,6 +152,7 @@ static inline void efx_reado(struct efx_nic *efx, efx_oword_t *value, spin_lock_irqsave(&efx->biu_lock, flags); value->u32[0] = _efx_readd(efx, reg + 0); + rmb(); value->u32[1] = _efx_readd(efx, reg + 4); value->u32[2] = _efx_readd(efx, reg + 8); value->u32[3] = _efx_readd(efx, reg + 12); @@ -174,6 +175,7 @@ static inline void efx_sram_readq(struct efx_nic *efx, void __iomem *membase, value->u64[0] = (__force __le64)__raw_readq(membase + addr); #else value->u32[0] = (__force __le32)__raw_readl(membase + addr); + rmb(); value->u32[1] = (__force __le32)__raw_readl(membase + addr + 4); #endif spin_unlock_irqrestore(&efx->biu_lock, flags); diff --git a/drivers/net/sfc/mac.h b/drivers/net/sfc/mac.h index 6886cdf87c1..d6a255d0856 100644 --- a/drivers/net/sfc/mac.h +++ b/drivers/net/sfc/mac.h @@ -13,8 +13,8 @@ #include "net_driver.h" -extern struct efx_mac_operations falcon_xmac_operations; -extern struct efx_mac_operations efx_mcdi_mac_operations; +extern const struct efx_mac_operations falcon_xmac_operations; +extern const struct efx_mac_operations efx_mcdi_mac_operations; extern int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr, u32 dma_len, int enable, int clear); diff --git a/drivers/net/sfc/mcdi.c b/drivers/net/sfc/mcdi.c index 5e118f0d247..d98479030ef 100644 --- a/drivers/net/sfc/mcdi.c +++ b/drivers/net/sfc/mcdi.c @@ -453,7 +453,7 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc) * * There's a race here with efx_mcdi_rpc(), because we might receive * a REBOOT event *before* the request has been copied out. In polled - * mode (during startup) this is irrelevent, because efx_mcdi_complete() + * mode (during startup) this is irrelevant, because efx_mcdi_complete() * is ignored. In event mode, this condition is just an edge-case of * receiving a REBOOT event after posting the MCDI request. Did the mc * reboot before or after the copyout? The best we can do always is diff --git a/drivers/net/sfc/mcdi_mac.c b/drivers/net/sfc/mcdi_mac.c index 33f7294edb4..50c20777a56 100644 --- a/drivers/net/sfc/mcdi_mac.c +++ b/drivers/net/sfc/mcdi_mac.c @@ -138,7 +138,7 @@ static bool efx_mcdi_mac_check_fault(struct efx_nic *efx) } -struct efx_mac_operations efx_mcdi_mac_operations = { +const struct efx_mac_operations efx_mcdi_mac_operations = { .reconfigure = efx_mcdi_mac_reconfigure, .update_stats = efx_port_dummy_op_void, .check_fault = efx_mcdi_mac_check_fault, diff --git a/drivers/net/sfc/mcdi_pcol.h b/drivers/net/sfc/mcdi_pcol.h index b86a15f221a..41fe06fa060 100644 --- a/drivers/net/sfc/mcdi_pcol.h +++ b/drivers/net/sfc/mcdi_pcol.h @@ -103,7 +103,7 @@ * * If Code==CMDDONE, then the fields are further interpreted as: * - * - LEVEL==INFO Command succeded + * - LEVEL==INFO Command succeeded * - LEVEL==ERR Command failed * * 0 8 16 24 32 @@ -572,7 +572,7 @@ (4*(_numwords)) /* MC_CMD_SET_RAND_SEED: - * Set the 16byte seed for the MC psuedo-random generator + * Set the 16byte seed for the MC pseudo-random generator */ #define MC_CMD_SET_RAND_SEED 0x1a #define MC_CMD_SET_RAND_SEED_IN_LEN 16 @@ -1162,7 +1162,7 @@ #define MC_CMD_MAC_STATS_CMD_CLEAR_WIDTH 1 #define MC_CMD_MAC_STATS_CMD_PERIODIC_CHANGE_LBN 2 #define MC_CMD_MAC_STATS_CMD_PERIODIC_CHANGE_WIDTH 1 -/* Remaining PERIOD* fields only relevent when PERIODIC_CHANGE is set */ +/* Remaining PERIOD* fields only relevant when PERIODIC_CHANGE is set */ #define MC_CMD_MAC_STATS_CMD_PERIODIC_ENABLE_LBN 3 #define MC_CMD_MAC_STATS_CMD_PERIODIC_ENABLE_WIDTH 1 #define MC_CMD_MAC_STATS_CMD_PERIODIC_CLEAR_LBN 4 diff --git a/drivers/net/sfc/mcdi_phy.c b/drivers/net/sfc/mcdi_phy.c index ec3f740f546..1fcda2d8239 100644 --- a/drivers/net/sfc/mcdi_phy.c +++ b/drivers/net/sfc/mcdi_phy.c @@ -449,7 +449,7 @@ void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa) struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; u32 rmtadv; - /* The link partner capabilities are only relevent if the + /* The link partner capabilities are only relevant if the * link supports flow control autonegotiation */ if (~phy_cfg->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) return; @@ -739,7 +739,7 @@ static const char *efx_mcdi_phy_test_name(struct efx_nic *efx, return NULL; } -struct efx_phy_operations efx_mcdi_phy_ops = { +const struct efx_phy_operations efx_mcdi_phy_ops = { .probe = efx_mcdi_phy_probe, .init = efx_port_dummy_op_int, .reconfigure = efx_mcdi_phy_reconfigure, diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h index 215d5c51bfa..5718260298c 100644 --- a/drivers/net/sfc/net_driver.h +++ b/drivers/net/sfc/net_driver.h @@ -330,7 +330,6 @@ enum efx_rx_alloc_method { * @eventq_mask: Event queue pointer mask * @eventq_read_ptr: Event queue read pointer * @last_eventq_read_ptr: Last event queue read pointer value. - * @magic_count: Event queue test event count * @irq_count: Number of IRQs since last adaptive moderation decision * @irq_mod_score: IRQ moderation score * @rx_alloc_level: Watermark based heuristic counter for pushing descriptors @@ -360,7 +359,6 @@ struct efx_channel { unsigned int eventq_mask; unsigned int eventq_read_ptr; unsigned int last_eventq_read_ptr; - unsigned int magic_count; unsigned int irq_count; unsigned int irq_mod_score; @@ -670,7 +668,7 @@ struct efx_filter_state; * @irq_zero_count: Number of legacy IRQs seen with queue flags == 0 * @fatal_irq_level: IRQ level (bit number) used for serious errors * @mtd_list: List of MTDs attached to the NIC - * @nic_data: Hardware dependant state + * @nic_data: Hardware dependent state * @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode, * @port_inhibited, efx_monitor() and efx_reconfigure_port() * @port_enabled: Port enabled indicator. @@ -681,7 +679,6 @@ struct efx_filter_state; * @port_inhibited: If set, the netif_carrier is always off. Hold the mac_lock * @port_initialized: Port initialized? * @net_dev: Operating system network device. Consider holding the rtnl lock - * @rx_checksum_enabled: RX checksumming enabled * @stats_buffer: DMA buffer for statistics * @mac_op: MAC interface * @phy_type: PHY type @@ -771,14 +768,13 @@ struct efx_nic { bool port_initialized; struct net_device *net_dev; - bool rx_checksum_enabled; struct efx_buffer stats_buffer; - struct efx_mac_operations *mac_op; + const struct efx_mac_operations *mac_op; unsigned int phy_type; - struct efx_phy_operations *phy_op; + const struct efx_phy_operations *phy_op; void *phy_data; struct mdio_if_info mdio; unsigned int mdio_bus; @@ -899,7 +895,7 @@ struct efx_nic_type { void (*resume_wol)(struct efx_nic *efx); int (*test_registers)(struct efx_nic *efx); int (*test_nvram)(struct efx_nic *efx); - struct efx_mac_operations *default_mac_ops; + const struct efx_mac_operations *default_mac_ops; int revision; unsigned int mem_map_size; diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c index e8396614daf..5ac9fa2cd3b 100644 --- a/drivers/net/sfc/nic.c +++ b/drivers/net/sfc/nic.c @@ -84,7 +84,8 @@ static inline void efx_write_buf_tbl(struct efx_nic *efx, efx_qword_t *value, static inline efx_qword_t *efx_event(struct efx_channel *channel, unsigned int index) { - return ((efx_qword_t *) (channel->eventq.addr)) + index; + return ((efx_qword_t *) (channel->eventq.addr)) + + (index & channel->eventq_mask); } /* See if an event is present @@ -673,7 +674,8 @@ void efx_nic_eventq_read_ack(struct efx_channel *channel) efx_dword_t reg; struct efx_nic *efx = channel->efx; - EFX_POPULATE_DWORD_1(reg, FRF_AZ_EVQ_RPTR, channel->eventq_read_ptr); + EFX_POPULATE_DWORD_1(reg, FRF_AZ_EVQ_RPTR, + channel->eventq_read_ptr & channel->eventq_mask); efx_writed_table(efx, ®, efx->type->evq_rptr_tbl_base, channel->channel); } @@ -850,7 +852,6 @@ efx_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event) unsigned expected_ptr; bool rx_ev_pkt_ok, discard = false, checksummed; struct efx_rx_queue *rx_queue; - struct efx_nic *efx = channel->efx; /* Basic packet information */ rx_ev_byte_cnt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_BYTE_CNT); @@ -873,9 +874,8 @@ efx_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event) * UDP/IP, then we can rely on the hardware checksum. */ checksummed = - likely(efx->rx_checksum_enabled) && - (rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP || - rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP); + rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP || + rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP; } else { efx_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok, &discard); checksummed = false; @@ -908,7 +908,7 @@ efx_handle_generated_event(struct efx_channel *channel, efx_qword_t *event) code = EFX_QWORD_FIELD(*event, FSF_AZ_DRV_GEN_EV_MAGIC); if (code == EFX_CHANNEL_MAGIC_TEST(channel)) - ++channel->magic_count; + ; /* ignore */ else if (code == EFX_CHANNEL_MAGIC_FILL(channel)) /* The queue must be empty, so we won't receive any rx * events, so efx_process_channel() won't refill the @@ -1015,8 +1015,7 @@ int efx_nic_process_eventq(struct efx_channel *channel, int budget) /* Clear this event by marking it all ones */ EFX_SET_QWORD(*p_event); - /* Increment read pointer */ - read_ptr = (read_ptr + 1) & channel->eventq_mask; + ++read_ptr; ev_code = EFX_QWORD_FIELD(event, FSF_AZ_EV_CODE); @@ -1060,6 +1059,13 @@ out: return spent; } +/* Check whether an event is present in the eventq at the current + * read pointer. Only useful for self-test. + */ +bool efx_nic_event_present(struct efx_channel *channel) +{ + return efx_event_present(efx_event(channel, channel->eventq_read_ptr)); +} /* Allocate buffer table entries for event queue */ int efx_nic_probe_eventq(struct efx_channel *channel) @@ -1165,7 +1171,7 @@ static void efx_poll_flush_events(struct efx_nic *efx) struct efx_tx_queue *tx_queue; struct efx_rx_queue *rx_queue; unsigned int read_ptr = channel->eventq_read_ptr; - unsigned int end_ptr = (read_ptr - 1) & channel->eventq_mask; + unsigned int end_ptr = read_ptr + channel->eventq_mask - 1; do { efx_qword_t *event = efx_event(channel, read_ptr); @@ -1205,7 +1211,7 @@ static void efx_poll_flush_events(struct efx_nic *efx) * it's ok to throw away every non-flush event */ EFX_SET_QWORD(*event); - read_ptr = (read_ptr + 1) & channel->eventq_mask; + ++read_ptr; } while (read_ptr != end_ptr); channel->eventq_read_ptr = read_ptr; diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h index d9de1b647d4..7443f99c977 100644 --- a/drivers/net/sfc/nic.h +++ b/drivers/net/sfc/nic.h @@ -150,9 +150,9 @@ struct siena_nic_data { int wol_filter_id; }; -extern struct efx_nic_type falcon_a1_nic_type; -extern struct efx_nic_type falcon_b0_nic_type; -extern struct efx_nic_type siena_a0_nic_type; +extern const struct efx_nic_type falcon_a1_nic_type; +extern const struct efx_nic_type falcon_b0_nic_type; +extern const struct efx_nic_type siena_a0_nic_type; /************************************************************************** * @@ -184,6 +184,7 @@ extern void efx_nic_fini_eventq(struct efx_channel *channel); extern void efx_nic_remove_eventq(struct efx_channel *channel); extern int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota); extern void efx_nic_eventq_read_ack(struct efx_channel *channel); +extern bool efx_nic_event_present(struct efx_channel *channel); /* MAC/PHY */ extern void falcon_drain_tx_fifo(struct efx_nic *efx); diff --git a/drivers/net/sfc/phy.h b/drivers/net/sfc/phy.h index b3b79472421..11d148cd844 100644 --- a/drivers/net/sfc/phy.h +++ b/drivers/net/sfc/phy.h @@ -13,14 +13,14 @@ /**************************************************************************** * 10Xpress (SFX7101) PHY */ -extern struct efx_phy_operations falcon_sfx7101_phy_ops; +extern const struct efx_phy_operations falcon_sfx7101_phy_ops; extern void tenxpress_set_id_led(struct efx_nic *efx, enum efx_led_mode mode); /**************************************************************************** * AMCC/Quake QT202x PHYs */ -extern struct efx_phy_operations falcon_qt202x_phy_ops; +extern const struct efx_phy_operations falcon_qt202x_phy_ops; /* These PHYs provide various H/W control states for LEDs */ #define QUAKE_LED_LINK_INVAL (0) @@ -39,7 +39,7 @@ extern void falcon_qt202x_set_led(struct efx_nic *p, int led, int state); /**************************************************************************** * Transwitch CX4 retimer */ -extern struct efx_phy_operations falcon_txc_phy_ops; +extern const struct efx_phy_operations falcon_txc_phy_ops; #define TXC_GPIO_DIR_INPUT 0 #define TXC_GPIO_DIR_OUTPUT 1 @@ -50,7 +50,7 @@ extern void falcon_txc_set_gpio_val(struct efx_nic *efx, int pin, int val); /**************************************************************************** * Siena managed PHYs */ -extern struct efx_phy_operations efx_mcdi_phy_ops; +extern const struct efx_phy_operations efx_mcdi_phy_ops; extern int efx_mcdi_mdio_read(struct efx_nic *efx, unsigned int bus, unsigned int prtad, unsigned int devad, diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c index 55f90924247..7ad97e39740 100644 --- a/drivers/net/sfc/qt202x_phy.c +++ b/drivers/net/sfc/qt202x_phy.c @@ -449,7 +449,7 @@ static void qt202x_phy_remove(struct efx_nic *efx) efx->phy_data = NULL; } -struct efx_phy_operations falcon_qt202x_phy_ops = { +const struct efx_phy_operations falcon_qt202x_phy_ops = { .probe = qt202x_phy_probe, .init = qt202x_phy_init, .reconfigure = qt202x_phy_reconfigure, diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c index c0fdb59030f..b7dc891b446 100644 --- a/drivers/net/sfc/rx.c +++ b/drivers/net/sfc/rx.c @@ -605,6 +605,9 @@ void __efx_rx_packet(struct efx_channel *channel, skb_record_rx_queue(skb, channel->channel); } + if (unlikely(!(efx->net_dev->features & NETIF_F_RXCSUM))) + checksummed = false; + if (likely(checksummed || rx_buf->is_page)) { efx_rx_packet_gro(channel, rx_buf, eh, checksummed); return; diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c index a0f49b348d6..50ad3bcaf68 100644 --- a/drivers/net/sfc/selftest.c +++ b/drivers/net/sfc/selftest.c @@ -131,8 +131,6 @@ static int efx_test_chip(struct efx_nic *efx, struct efx_self_tests *tests) static int efx_test_interrupts(struct efx_nic *efx, struct efx_self_tests *tests) { - struct efx_channel *channel; - netif_dbg(efx, drv, efx->net_dev, "testing interrupts\n"); tests->interrupt = -1; @@ -140,15 +138,6 @@ static int efx_test_interrupts(struct efx_nic *efx, efx->last_irq_cpu = -1; smp_wmb(); - /* ACK each interrupting event queue. Receiving an interrupt due to - * traffic before a test event is raised is considered a pass */ - efx_for_each_channel(channel, efx) { - if (channel->work_pending) - efx_process_channel_now(channel); - if (efx->last_irq_cpu >= 0) - goto success; - } - efx_nic_generate_interrupt(efx); /* Wait for arrival of test interrupt. */ @@ -173,13 +162,13 @@ static int efx_test_eventq_irq(struct efx_channel *channel, struct efx_self_tests *tests) { struct efx_nic *efx = channel->efx; - unsigned int magic_count, count; + unsigned int read_ptr, count; tests->eventq_dma[channel->channel] = -1; tests->eventq_int[channel->channel] = -1; tests->eventq_poll[channel->channel] = -1; - magic_count = channel->magic_count; + read_ptr = channel->eventq_read_ptr; channel->efx->last_irq_cpu = -1; smp_wmb(); @@ -190,10 +179,7 @@ static int efx_test_eventq_irq(struct efx_channel *channel, do { schedule_timeout_uninterruptible(HZ / 100); - if (channel->work_pending) - efx_process_channel_now(channel); - - if (channel->magic_count != magic_count) + if (ACCESS_ONCE(channel->eventq_read_ptr) != read_ptr) goto eventq_ok; } while (++count < 2); @@ -211,8 +197,7 @@ static int efx_test_eventq_irq(struct efx_channel *channel, } /* Check to see if event was received even if interrupt wasn't */ - efx_process_channel_now(channel); - if (channel->magic_count != magic_count) { + if (efx_nic_event_present(channel)) { netif_err(efx, drv, efx->net_dev, "channel %d event was generated, but " "failed to trigger an interrupt\n", channel->channel); @@ -770,6 +755,8 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests, __efx_reconfigure_port(efx); mutex_unlock(&efx->mac_lock); + netif_tx_wake_all_queues(efx->net_dev); + return rc_test; } diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c index e4dd8986b1f..ceac1c9907f 100644 --- a/drivers/net/sfc/siena.c +++ b/drivers/net/sfc/siena.c @@ -581,7 +581,7 @@ static void siena_init_wol(struct efx_nic *efx) ************************************************************************** */ -struct efx_nic_type siena_a0_nic_type = { +const struct efx_nic_type siena_a0_nic_type = { .probe = siena_probe_nic, .remove = siena_remove_nic, .init = siena_init_nic, diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index efdceb35aaa..204ecdaac9a 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -478,7 +478,7 @@ static void sfx7101_set_npage_adv(struct efx_nic *efx, u32 advertising) advertising & ADVERTISED_10000baseT_Full); } -struct efx_phy_operations falcon_sfx7101_phy_ops = { +const struct efx_phy_operations falcon_sfx7101_phy_ops = { .probe = tenxpress_phy_probe, .init = tenxpress_phy_init, .reconfigure = tenxpress_phy_reconfigure, diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c index 13980190821..d2c85dfdf3b 100644 --- a/drivers/net/sfc/tx.c +++ b/drivers/net/sfc/tx.c @@ -435,7 +435,8 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) * queue state. */ smp_mb(); if (unlikely(netif_tx_queue_stopped(tx_queue->core_txq)) && - likely(efx->port_enabled)) { + likely(efx->port_enabled) && + likely(!efx->port_inhibited)) { fill_level = tx_queue->insert_count - tx_queue->read_count; if (fill_level < EFX_TXQ_THRESHOLD(efx)) { EFX_BUG_ON_PARANOID(!efx_dev_registered(efx)); diff --git a/drivers/net/sfc/txc43128_phy.c b/drivers/net/sfc/txc43128_phy.c index d9886addcc9..7c21b334a75 100644 --- a/drivers/net/sfc/txc43128_phy.c +++ b/drivers/net/sfc/txc43128_phy.c @@ -545,7 +545,7 @@ static void txc43128_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) mdio45_ethtool_gset(&efx->mdio, ecmd); } -struct efx_phy_operations falcon_txc_phy_ops = { +const struct efx_phy_operations falcon_txc_phy_ops = { .probe = txc43128_phy_probe, .init = txc43128_phy_init, .reconfigure = txc43128_phy_reconfigure, |