diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/ef10.c')
-rw-r--r-- | drivers/net/ethernet/sfc/ef10.c | 355 |
1 files changed, 35 insertions, 320 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index d752ed34672d..dc037dd927f8 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -11,6 +11,7 @@ #include "mcdi.h" #include "mcdi_pcol.h" #include "mcdi_port_common.h" +#include "mcdi_functions.h" #include "nic.h" #include "workarounds.h" #include "selftest.h" @@ -834,22 +835,6 @@ fail1: return rc; } -static int efx_ef10_free_vis(struct efx_nic *efx) -{ - MCDI_DECLARE_BUF_ERR(outbuf); - size_t outlen; - int rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FREE_VIS, NULL, 0, - outbuf, sizeof(outbuf), &outlen); - - /* -EALREADY means nothing to free, so ignore */ - if (rc == -EALREADY) - rc = 0; - if (rc) - efx_mcdi_display_error(efx, MC_CMD_FREE_VIS, 0, outbuf, outlen, - rc); - return rc; -} - #ifdef EFX_USE_PIO static void efx_ef10_free_piobufs(struct efx_nic *efx) @@ -1092,7 +1077,7 @@ static void efx_ef10_remove(struct efx_nic *efx) if (nic_data->wc_membase) iounmap(nic_data->wc_membase); - rc = efx_ef10_free_vis(efx); + rc = efx_mcdi_free_vis(efx); WARN_ON(rc != 0); if (!nic_data->must_restore_piobufs) @@ -1263,28 +1248,10 @@ static int efx_ef10_probe_vf(struct efx_nic *efx __attribute__ ((unused))) static int efx_ef10_alloc_vis(struct efx_nic *efx, unsigned int min_vis, unsigned int max_vis) { - MCDI_DECLARE_BUF(inbuf, MC_CMD_ALLOC_VIS_IN_LEN); - MCDI_DECLARE_BUF(outbuf, MC_CMD_ALLOC_VIS_OUT_LEN); struct efx_ef10_nic_data *nic_data = efx->nic_data; - size_t outlen; - int rc; - - MCDI_SET_DWORD(inbuf, ALLOC_VIS_IN_MIN_VI_COUNT, min_vis); - MCDI_SET_DWORD(inbuf, ALLOC_VIS_IN_MAX_VI_COUNT, max_vis); - rc = efx_mcdi_rpc(efx, MC_CMD_ALLOC_VIS, inbuf, sizeof(inbuf), - outbuf, sizeof(outbuf), &outlen); - if (rc != 0) - return rc; - if (outlen < MC_CMD_ALLOC_VIS_OUT_LEN) - return -EIO; - - netif_dbg(efx, drv, efx->net_dev, "base VI is A0x%03x\n", - MCDI_DWORD(outbuf, ALLOC_VIS_OUT_VI_BASE)); - - nic_data->vi_base = MCDI_DWORD(outbuf, ALLOC_VIS_OUT_VI_BASE); - nic_data->n_allocated_vis = MCDI_DWORD(outbuf, ALLOC_VIS_OUT_VI_COUNT); - return 0; + return efx_mcdi_alloc_vis(efx, min_vis, max_vis, &nic_data->vi_base, + &nic_data->n_allocated_vis); } /* Note that the failure path of this function does not free @@ -1366,7 +1333,7 @@ static int efx_ef10_dimension_resources(struct efx_nic *efx) } /* In case the last attached driver failed to free VIs, do it now */ - rc = efx_ef10_free_vis(efx); + rc = efx_mcdi_free_vis(efx); if (rc != 0) return rc; @@ -1387,7 +1354,7 @@ static int efx_ef10_dimension_resources(struct efx_nic *efx) efx->max_tx_channels = nic_data->n_allocated_vis / EFX_TXQ_TYPES; - efx_ef10_free_vis(efx); + efx_mcdi_free_vis(efx); return -EAGAIN; } @@ -2411,20 +2378,15 @@ static u32 efx_ef10_tso_versions(struct efx_nic *efx) static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue) { - MCDI_DECLARE_BUF(inbuf, MC_CMD_INIT_TXQ_IN_LEN(EFX_MAX_DMAQ_SIZE * 8 / - EFX_BUF_SIZE)); bool csum_offload = tx_queue->queue & EFX_TXQ_TYPE_OFFLOAD; - size_t entries = tx_queue->txd.buf.len / EFX_BUF_SIZE; struct efx_channel *channel = tx_queue->channel; struct efx_nic *efx = tx_queue->efx; - struct efx_ef10_nic_data *nic_data = efx->nic_data; + struct efx_ef10_nic_data *nic_data; bool tso_v2 = false; - size_t inlen; - dma_addr_t dma_addr; efx_qword_t *txd; int rc; - int i; - BUILD_BUG_ON(MC_CMD_INIT_TXQ_OUT_LEN != 0); + + nic_data = efx->nic_data; /* Only attempt to enable TX timestamping if we have the license for it, * otherwise TXQ init will fail @@ -2451,51 +2413,9 @@ static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue) channel->channel); } - MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_SIZE, tx_queue->ptr_mask + 1); - MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_TARGET_EVQ, channel->channel); - MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_LABEL, tx_queue->queue); - MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_INSTANCE, tx_queue->queue); - MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_OWNER_ID, 0); - MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_PORT_ID, nic_data->vport_id); - - dma_addr = tx_queue->txd.buf.dma_addr; - - netif_dbg(efx, hw, efx->net_dev, "pushing TXQ %d. %zu entries (%llx)\n", - tx_queue->queue, entries, (u64)dma_addr); - - for (i = 0; i < entries; ++i) { - MCDI_SET_ARRAY_QWORD(inbuf, INIT_TXQ_IN_DMA_ADDR, i, dma_addr); - dma_addr += EFX_BUF_SIZE; - } - - inlen = MC_CMD_INIT_TXQ_IN_LEN(entries); - - do { - MCDI_POPULATE_DWORD_4(inbuf, INIT_TXQ_IN_FLAGS, - /* This flag was removed from mcdi_pcol.h for - * the non-_EXT version of INIT_TXQ. However, - * firmware still honours it. - */ - INIT_TXQ_EXT_IN_FLAG_TSOV2_EN, tso_v2, - INIT_TXQ_IN_FLAG_IP_CSUM_DIS, !csum_offload, - INIT_TXQ_IN_FLAG_TCP_CSUM_DIS, !csum_offload, - INIT_TXQ_EXT_IN_FLAG_TIMESTAMP, - tx_queue->timestamping); - - rc = efx_mcdi_rpc_quiet(efx, MC_CMD_INIT_TXQ, inbuf, inlen, - NULL, 0, NULL); - if (rc == -ENOSPC && tso_v2) { - /* Retry without TSOv2 if we're short on contexts. */ - tso_v2 = false; - netif_warn(efx, probe, efx->net_dev, - "TSOv2 context not available to segment in hardware. TCP performance may be reduced.\n"); - } else if (rc) { - efx_mcdi_display_error(efx, MC_CMD_INIT_TXQ, - MC_CMD_INIT_TXQ_EXT_IN_LEN, - NULL, 0, rc); - goto fail; - } - } while (rc); + rc = efx_mcdi_tx_init(tx_queue, tso_v2); + if (rc) + goto fail; /* A previous user of this TX queue might have set us up the * bomb by writing a descriptor to the TX push collector but @@ -2533,35 +2453,6 @@ fail: tx_queue->queue); } -static void efx_ef10_tx_fini(struct efx_tx_queue *tx_queue) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_TXQ_IN_LEN); - MCDI_DECLARE_BUF_ERR(outbuf); - struct efx_nic *efx = tx_queue->efx; - size_t outlen; - int rc; - - MCDI_SET_DWORD(inbuf, FINI_TXQ_IN_INSTANCE, - tx_queue->queue); - - rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_TXQ, inbuf, sizeof(inbuf), - outbuf, sizeof(outbuf), &outlen); - - if (rc && rc != -EALREADY) - goto fail; - - return; - -fail: - efx_mcdi_display_error(efx, MC_CMD_FINI_TXQ, MC_CMD_FINI_TXQ_IN_LEN, - outbuf, outlen, rc); -} - -static void efx_ef10_tx_remove(struct efx_tx_queue *tx_queue) -{ - efx_nic_free_buffer(tx_queue->efx, &tx_queue->txd.buf); -} - /* This writes to the TX_DESC_WPTR; write pointer for TX descriptor ring */ static inline void efx_ef10_notify_tx_desc(struct efx_tx_queue *tx_queue) { @@ -3076,91 +2967,6 @@ static int efx_ef10_vf_rx_push_rss_config(struct efx_nic *efx, bool user, return efx_ef10_rx_push_shared_rss_config(efx, NULL); } -static int efx_ef10_rx_probe(struct efx_rx_queue *rx_queue) -{ - return efx_nic_alloc_buffer(rx_queue->efx, &rx_queue->rxd.buf, - (rx_queue->ptr_mask + 1) * - sizeof(efx_qword_t), - GFP_KERNEL); -} - -static void efx_ef10_rx_init(struct efx_rx_queue *rx_queue) -{ - MCDI_DECLARE_BUF(inbuf, - MC_CMD_INIT_RXQ_IN_LEN(EFX_MAX_DMAQ_SIZE * 8 / - EFX_BUF_SIZE)); - struct efx_channel *channel = efx_rx_queue_channel(rx_queue); - size_t entries = rx_queue->rxd.buf.len / EFX_BUF_SIZE; - struct efx_nic *efx = rx_queue->efx; - struct efx_ef10_nic_data *nic_data = efx->nic_data; - size_t inlen; - dma_addr_t dma_addr; - int rc; - int i; - BUILD_BUG_ON(MC_CMD_INIT_RXQ_OUT_LEN != 0); - - rx_queue->scatter_n = 0; - rx_queue->scatter_len = 0; - - MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_SIZE, rx_queue->ptr_mask + 1); - MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_TARGET_EVQ, channel->channel); - MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_LABEL, efx_rx_queue_index(rx_queue)); - MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_INSTANCE, - efx_rx_queue_index(rx_queue)); - MCDI_POPULATE_DWORD_2(inbuf, INIT_RXQ_IN_FLAGS, - INIT_RXQ_IN_FLAG_PREFIX, 1, - INIT_RXQ_IN_FLAG_TIMESTAMP, 1); - MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_OWNER_ID, 0); - MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_PORT_ID, nic_data->vport_id); - - dma_addr = rx_queue->rxd.buf.dma_addr; - - netif_dbg(efx, hw, efx->net_dev, "pushing RXQ %d. %zu entries (%llx)\n", - efx_rx_queue_index(rx_queue), entries, (u64)dma_addr); - - for (i = 0; i < entries; ++i) { - MCDI_SET_ARRAY_QWORD(inbuf, INIT_RXQ_IN_DMA_ADDR, i, dma_addr); - dma_addr += EFX_BUF_SIZE; - } - - inlen = MC_CMD_INIT_RXQ_IN_LEN(entries); - - rc = efx_mcdi_rpc(efx, MC_CMD_INIT_RXQ, inbuf, inlen, - NULL, 0, NULL); - if (rc) - netdev_WARN(efx->net_dev, "failed to initialise RXQ %d\n", - efx_rx_queue_index(rx_queue)); -} - -static void efx_ef10_rx_fini(struct efx_rx_queue *rx_queue) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_RXQ_IN_LEN); - MCDI_DECLARE_BUF_ERR(outbuf); - struct efx_nic *efx = rx_queue->efx; - size_t outlen; - int rc; - - MCDI_SET_DWORD(inbuf, FINI_RXQ_IN_INSTANCE, - efx_rx_queue_index(rx_queue)); - - rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_RXQ, inbuf, sizeof(inbuf), - outbuf, sizeof(outbuf), &outlen); - - if (rc && rc != -EALREADY) - goto fail; - - return; - -fail: - efx_mcdi_display_error(efx, MC_CMD_FINI_RXQ, MC_CMD_FINI_RXQ_IN_LEN, - outbuf, outlen, rc); -} - -static void efx_ef10_rx_remove(struct efx_rx_queue *rx_queue) -{ - efx_nic_free_buffer(rx_queue->efx, &rx_queue->rxd.buf); -} - /* This creates an entry in the RX descriptor queue */ static inline void efx_ef10_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned int index) @@ -3232,106 +3038,20 @@ efx_ef10_rx_defer_refill_complete(struct efx_nic *efx, unsigned long cookie, /* nothing to do */ } -static int efx_ef10_ev_probe(struct efx_channel *channel) -{ - return efx_nic_alloc_buffer(channel->efx, &channel->eventq.buf, - (channel->eventq_mask + 1) * - sizeof(efx_qword_t), - GFP_KERNEL); -} - -static void efx_ef10_ev_fini(struct efx_channel *channel) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_FINI_EVQ_IN_LEN); - MCDI_DECLARE_BUF_ERR(outbuf); - struct efx_nic *efx = channel->efx; - size_t outlen; - int rc; - - MCDI_SET_DWORD(inbuf, FINI_EVQ_IN_INSTANCE, channel->channel); - - rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_EVQ, inbuf, sizeof(inbuf), - outbuf, sizeof(outbuf), &outlen); - - if (rc && rc != -EALREADY) - goto fail; - - return; - -fail: - efx_mcdi_display_error(efx, MC_CMD_FINI_EVQ, MC_CMD_FINI_EVQ_IN_LEN, - outbuf, outlen, rc); -} - static int efx_ef10_ev_init(struct efx_channel *channel) { - MCDI_DECLARE_BUF(inbuf, - MC_CMD_INIT_EVQ_V2_IN_LEN(EFX_MAX_EVQ_SIZE * 8 / - EFX_BUF_SIZE)); - MCDI_DECLARE_BUF(outbuf, MC_CMD_INIT_EVQ_V2_OUT_LEN); - size_t entries = channel->eventq.buf.len / EFX_BUF_SIZE; struct efx_nic *efx = channel->efx; struct efx_ef10_nic_data *nic_data; - size_t inlen, outlen; unsigned int enabled, implemented; - dma_addr_t dma_addr; + bool use_v2, cut_thru; int rc; - int i; nic_data = efx->nic_data; - - /* Fill event queue with all ones (i.e. empty events) */ - memset(channel->eventq.buf.addr, 0xff, channel->eventq.buf.len); - - MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_SIZE, channel->eventq_mask + 1); - MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_INSTANCE, channel->channel); - /* INIT_EVQ expects index in vector table, not absolute */ - MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_IRQ_NUM, channel->channel); - MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_TMR_MODE, - MC_CMD_INIT_EVQ_IN_TMR_MODE_DIS); - MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_TMR_LOAD, 0); - MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_TMR_RELOAD, 0); - MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_COUNT_MODE, - MC_CMD_INIT_EVQ_IN_COUNT_MODE_DIS); - MCDI_SET_DWORD(inbuf, INIT_EVQ_IN_COUNT_THRSHLD, 0); - - if (nic_data->datapath_caps2 & - 1 << MC_CMD_GET_CAPABILITIES_V2_OUT_INIT_EVQ_V2_LBN) { - /* Use the new generic approach to specifying event queue - * configuration, requesting lower latency or higher throughput. - * The options that actually get used appear in the output. - */ - MCDI_POPULATE_DWORD_2(inbuf, INIT_EVQ_V2_IN_FLAGS, - INIT_EVQ_V2_IN_FLAG_INTERRUPTING, 1, - INIT_EVQ_V2_IN_FLAG_TYPE, - MC_CMD_INIT_EVQ_V2_IN_FLAG_TYPE_AUTO); - } else { - bool cut_thru = !(nic_data->datapath_caps & - 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_BATCHING_LBN); - - MCDI_POPULATE_DWORD_4(inbuf, INIT_EVQ_IN_FLAGS, - INIT_EVQ_IN_FLAG_INTERRUPTING, 1, - INIT_EVQ_IN_FLAG_RX_MERGE, 1, - INIT_EVQ_IN_FLAG_TX_MERGE, 1, - INIT_EVQ_IN_FLAG_CUT_THRU, cut_thru); - } - - dma_addr = channel->eventq.buf.dma_addr; - for (i = 0; i < entries; ++i) { - MCDI_SET_ARRAY_QWORD(inbuf, INIT_EVQ_IN_DMA_ADDR, i, dma_addr); - dma_addr += EFX_BUF_SIZE; - } - - inlen = MC_CMD_INIT_EVQ_IN_LEN(entries); - - rc = efx_mcdi_rpc(efx, MC_CMD_INIT_EVQ, inbuf, inlen, - outbuf, sizeof(outbuf), &outlen); - - if (outlen >= MC_CMD_INIT_EVQ_V2_OUT_LEN) - netif_dbg(efx, drv, efx->net_dev, - "Channel %d using event queue flags %08x\n", - channel->channel, - MCDI_DWORD(outbuf, INIT_EVQ_V2_OUT_FLAGS)); + use_v2 = nic_data->datapath_caps2 & + 1 << MC_CMD_GET_CAPABILITIES_V2_OUT_INIT_EVQ_V2_LBN; + cut_thru = !(nic_data->datapath_caps & + 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_BATCHING_LBN); + rc = efx_mcdi_ev_init(channel, cut_thru, use_v2); /* IRQ return is ignored */ if (channel->channel || rc) @@ -3389,15 +3109,10 @@ static int efx_ef10_ev_init(struct efx_channel *channel) return 0; fail: - efx_ef10_ev_fini(channel); + efx_mcdi_ev_fini(channel); return rc; } -static void efx_ef10_ev_remove(struct efx_channel *channel) -{ - efx_nic_free_buffer(channel->efx, &channel->eventq.buf); -} - static void efx_ef10_handle_rx_wrong_queue(struct efx_rx_queue *rx_queue, unsigned int rx_queue_label) { @@ -3979,9 +3694,9 @@ static int efx_ef10_fini_dmaq(struct efx_nic *efx) if (efx->state != STATE_RECOVERY) { efx_for_each_channel(channel, efx) { efx_for_each_channel_rx_queue(rx_queue, channel) - efx_ef10_rx_fini(rx_queue); + efx_mcdi_rx_fini(rx_queue); efx_for_each_channel_tx_queue(tx_queue, channel) - efx_ef10_tx_fini(tx_queue); + efx_mcdi_tx_fini(tx_queue); } wait_event_timeout(efx->flush_wq, @@ -6653,20 +6368,20 @@ const struct efx_nic_type efx_hunt_a0_vf_nic_type = { .irq_handle_legacy = efx_ef10_legacy_interrupt, .tx_probe = efx_ef10_tx_probe, .tx_init = efx_ef10_tx_init, - .tx_remove = efx_ef10_tx_remove, + .tx_remove = efx_mcdi_tx_remove, .tx_write = efx_ef10_tx_write, .tx_limit_len = efx_ef10_tx_limit_len, .rx_push_rss_config = efx_ef10_vf_rx_push_rss_config, .rx_pull_rss_config = efx_ef10_rx_pull_rss_config, - .rx_probe = efx_ef10_rx_probe, - .rx_init = efx_ef10_rx_init, - .rx_remove = efx_ef10_rx_remove, + .rx_probe = efx_mcdi_rx_probe, + .rx_init = efx_mcdi_rx_init, + .rx_remove = efx_mcdi_rx_remove, .rx_write = efx_ef10_rx_write, .rx_defer_refill = efx_ef10_rx_defer_refill, - .ev_probe = efx_ef10_ev_probe, + .ev_probe = efx_mcdi_ev_probe, .ev_init = efx_ef10_ev_init, - .ev_fini = efx_ef10_ev_fini, - .ev_remove = efx_ef10_ev_remove, + .ev_fini = efx_mcdi_ev_fini, + .ev_remove = efx_mcdi_ev_remove, .ev_process = efx_ef10_ev_process, .ev_read_ack = efx_ef10_ev_read_ack, .ev_test_generate = efx_ef10_ev_test_generate, @@ -6762,7 +6477,7 @@ const struct efx_nic_type efx_hunt_a0_nic_type = { .irq_handle_legacy = efx_ef10_legacy_interrupt, .tx_probe = efx_ef10_tx_probe, .tx_init = efx_ef10_tx_init, - .tx_remove = efx_ef10_tx_remove, + .tx_remove = efx_mcdi_tx_remove, .tx_write = efx_ef10_tx_write, .tx_limit_len = efx_ef10_tx_limit_len, .rx_push_rss_config = efx_ef10_pf_rx_push_rss_config, @@ -6770,15 +6485,15 @@ const struct efx_nic_type efx_hunt_a0_nic_type = { .rx_push_rss_context_config = efx_ef10_rx_push_rss_context_config, .rx_pull_rss_context_config = efx_ef10_rx_pull_rss_context_config, .rx_restore_rss_contexts = efx_ef10_rx_restore_rss_contexts, - .rx_probe = efx_ef10_rx_probe, - .rx_init = efx_ef10_rx_init, - .rx_remove = efx_ef10_rx_remove, + .rx_probe = efx_mcdi_rx_probe, + .rx_init = efx_mcdi_rx_init, + .rx_remove = efx_mcdi_rx_remove, .rx_write = efx_ef10_rx_write, .rx_defer_refill = efx_ef10_rx_defer_refill, - .ev_probe = efx_ef10_ev_probe, + .ev_probe = efx_mcdi_ev_probe, .ev_init = efx_ef10_ev_init, - .ev_fini = efx_ef10_ev_fini, - .ev_remove = efx_ef10_ev_remove, + .ev_fini = efx_mcdi_ev_fini, + .ev_remove = efx_mcdi_ev_remove, .ev_process = efx_ef10_ev_process, .ev_read_ack = efx_ef10_ev_read_ack, .ev_test_generate = efx_ef10_ev_test_generate, |