diff options
Diffstat (limited to 'drivers/net/ethernet/sfc')
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_port.c | 33 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_port_common.c | 34 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_port_common.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/tx.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/tx_common.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/tx_common.h | 3 |
6 files changed, 56 insertions, 51 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c index a5785205c32b..ab5227b13ae6 100644 --- a/drivers/net/ethernet/sfc/mcdi_port.c +++ b/drivers/net/ethernet/sfc/mcdi_port.c @@ -675,39 +675,6 @@ u32 efx_mcdi_phy_get_caps(struct efx_nic *efx) return phy_data->supported_cap; } -static unsigned int efx_mcdi_event_link_speed[] = { - [MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100, - [MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000, - [MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000, - [MCDI_EVENT_LINKCHANGE_SPEED_40G] = 40000, - [MCDI_EVENT_LINKCHANGE_SPEED_25G] = 25000, - [MCDI_EVENT_LINKCHANGE_SPEED_50G] = 50000, - [MCDI_EVENT_LINKCHANGE_SPEED_100G] = 100000, -}; - -void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev) -{ - u32 flags, fcntl, speed, lpa; - - speed = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_SPEED); - EFX_WARN_ON_PARANOID(speed >= ARRAY_SIZE(efx_mcdi_event_link_speed)); - speed = efx_mcdi_event_link_speed[speed]; - - flags = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LINK_FLAGS); - fcntl = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_FCNTL); - lpa = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LP_CAP); - - /* efx->link_state is only modified by efx_mcdi_phy_get_link(), - * which is only run after flushing the event queues. Therefore, it - * is safe to modify the link state outside of the mac_lock here. - */ - efx_mcdi_phy_decode_link(efx, &efx->link_state, speed, flags, fcntl); - - efx_mcdi_phy_check_fcntl(efx, lpa); - - efx_link_status_changed(efx); -} - bool efx_mcdi_mac_check_fault(struct efx_nic *efx) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); diff --git a/drivers/net/ethernet/sfc/mcdi_port_common.c b/drivers/net/ethernet/sfc/mcdi_port_common.c index 0f3237fc68af..a6a072ba46d3 100644 --- a/drivers/net/ethernet/sfc/mcdi_port_common.c +++ b/drivers/net/ethernet/sfc/mcdi_port_common.c @@ -9,6 +9,7 @@ */ #include "mcdi_port_common.h" +#include "efx_common.h" int efx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_data *cfg) { @@ -532,3 +533,36 @@ int efx_mcdi_port_get_number(struct efx_nic *efx) return MCDI_DWORD(outbuf, GET_PORT_ASSIGNMENT_OUT_PORT); } + +static unsigned int efx_mcdi_event_link_speed[] = { + [MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100, + [MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000, + [MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000, + [MCDI_EVENT_LINKCHANGE_SPEED_40G] = 40000, + [MCDI_EVENT_LINKCHANGE_SPEED_25G] = 25000, + [MCDI_EVENT_LINKCHANGE_SPEED_50G] = 50000, + [MCDI_EVENT_LINKCHANGE_SPEED_100G] = 100000, +}; + +void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev) +{ + u32 flags, fcntl, speed, lpa; + + speed = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_SPEED); + EFX_WARN_ON_PARANOID(speed >= ARRAY_SIZE(efx_mcdi_event_link_speed)); + speed = efx_mcdi_event_link_speed[speed]; + + flags = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LINK_FLAGS); + fcntl = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_FCNTL); + lpa = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LP_CAP); + + /* efx->link_state is only modified by efx_mcdi_phy_get_link(), + * which is only run after flushing the event queues. Therefore, it + * is safe to modify the link state outside of the mac_lock here. + */ + efx_mcdi_phy_decode_link(efx, &efx->link_state, speed, flags, fcntl); + + efx_mcdi_phy_check_fcntl(efx, lpa); + + efx_link_status_changed(efx); +} diff --git a/drivers/net/ethernet/sfc/mcdi_port_common.h b/drivers/net/ethernet/sfc/mcdi_port_common.h index 6b08a2b7eddf..b16f11265269 100644 --- a/drivers/net/ethernet/sfc/mcdi_port_common.h +++ b/drivers/net/ethernet/sfc/mcdi_port_common.h @@ -52,5 +52,6 @@ int efx_mcdi_phy_get_fecparam(struct efx_nic *efx, int efx_mcdi_phy_test_alive(struct efx_nic *efx); int efx_mcdi_set_mac(struct efx_nic *efx); int efx_mcdi_port_get_number(struct efx_nic *efx); +void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev); #endif diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 696e12c1d9e7..04d7f41d7ed9 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -268,24 +268,6 @@ static int efx_enqueue_skb_pio(struct efx_tx_queue *tx_queue, } #endif /* EFX_USE_PIO */ -/* Remove buffers put into a tx_queue for the current packet. - * None of the buffers must have an skb attached. - */ -static void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, - unsigned int insert_count) -{ - struct efx_tx_buffer *buffer; - unsigned int bytes_compl = 0; - unsigned int pkts_compl = 0; - - /* Work backwards until we hit the original insert pointer value */ - while (tx_queue->insert_count != insert_count) { - --tx_queue->insert_count; - buffer = __efx_tx_queue_get_insert_buffer(tx_queue); - efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl); - } -} - /* * Fallback to software TSO. * diff --git a/drivers/net/ethernet/sfc/tx_common.c b/drivers/net/ethernet/sfc/tx_common.c index 0ce699ecae5a..b1571e9789d0 100644 --- a/drivers/net/ethernet/sfc/tx_common.c +++ b/drivers/net/ethernet/sfc/tx_common.c @@ -267,6 +267,24 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) } } +/* Remove buffers put into a tx_queue for the current packet. + * None of the buffers must have an skb attached. + */ +void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, + unsigned int insert_count) +{ + struct efx_tx_buffer *buffer; + unsigned int bytes_compl = 0; + unsigned int pkts_compl = 0; + + /* Work backwards until we hit the original insert pointer value */ + while (tx_queue->insert_count != insert_count) { + --tx_queue->insert_count; + buffer = __efx_tx_queue_get_insert_buffer(tx_queue); + efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl); + } +} + struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, dma_addr_t dma_addr, size_t len) { diff --git a/drivers/net/ethernet/sfc/tx_common.h b/drivers/net/ethernet/sfc/tx_common.h index 58add94ab500..f92f1fe3a87f 100644 --- a/drivers/net/ethernet/sfc/tx_common.h +++ b/drivers/net/ethernet/sfc/tx_common.h @@ -23,6 +23,9 @@ void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index); +void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, + unsigned int insert_count); + struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, dma_addr_t dma_addr, size_t len); int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, |