diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/ef10.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef10.c | 2820 |
1 files changed, 89 insertions, 2731 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index a6ae2cdc1986..52113b7529d6 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -5,11 +5,15 @@ */ #include "net_driver.h" +#include "rx_common.h" #include "ef10_regs.h" #include "io.h" #include "mcdi.h" #include "mcdi_pcol.h" +#include "mcdi_port_common.h" +#include "mcdi_functions.h" #include "nic.h" +#include "mcdi_filters.h" #include "workarounds.h" #include "selftest.h" #include "ef10_sriov.h" @@ -25,28 +29,6 @@ enum { EFX_EF10_TEST = 1, EFX_EF10_REFILL, }; -/* The maximum size of a shared RSS context */ -/* TODO: this should really be from the mcdi protocol export */ -#define EFX_EF10_MAX_SHARED_RSS_CONTEXT_SIZE 64UL - -/* The filter table(s) are managed by firmware and we have write-only - * access. When removing filters we must identify them to the - * firmware by a 64-bit handle, but this is too wide for Linux kernel - * interfaces (32-bit for RX NFC, 16-bit for RFS). Also, we need to - * be able to tell in advance whether a requested insertion will - * replace an existing filter. Therefore we maintain a software hash - * table, which should be at least as large as the hardware hash - * table. - * - * Huntington has a single 8K filter table shared between all filter - * types and both ports. - */ -#define HUNT_FILTER_TBL_ROWS 8192 - -#define EFX_EF10_FILTER_ID_INVALID 0xffff - -#define EFX_EF10_FILTER_DEV_UC_MAX 32 -#define EFX_EF10_FILTER_DEV_MC_MAX 256 /* VLAN list entry */ struct efx_ef10_vlan { @@ -54,95 +36,8 @@ struct efx_ef10_vlan { u16 vid; }; -enum efx_ef10_default_filters { - EFX_EF10_BCAST, - EFX_EF10_UCDEF, - EFX_EF10_MCDEF, - EFX_EF10_VXLAN4_UCDEF, - EFX_EF10_VXLAN4_MCDEF, - EFX_EF10_VXLAN6_UCDEF, - EFX_EF10_VXLAN6_MCDEF, - EFX_EF10_NVGRE4_UCDEF, - EFX_EF10_NVGRE4_MCDEF, - EFX_EF10_NVGRE6_UCDEF, - EFX_EF10_NVGRE6_MCDEF, - EFX_EF10_GENEVE4_UCDEF, - EFX_EF10_GENEVE4_MCDEF, - EFX_EF10_GENEVE6_UCDEF, - EFX_EF10_GENEVE6_MCDEF, - - EFX_EF10_NUM_DEFAULT_FILTERS -}; - -/* Per-VLAN filters information */ -struct efx_ef10_filter_vlan { - struct list_head list; - u16 vid; - u16 uc[EFX_EF10_FILTER_DEV_UC_MAX]; - u16 mc[EFX_EF10_FILTER_DEV_MC_MAX]; - u16 default_filters[EFX_EF10_NUM_DEFAULT_FILTERS]; -}; - -struct efx_ef10_dev_addr { - u8 addr[ETH_ALEN]; -}; - -struct efx_ef10_filter_table { -/* The MCDI match masks supported by this fw & hw, in order of priority */ - u32 rx_match_mcdi_flags[ - MC_CMD_GET_PARSER_DISP_INFO_OUT_SUPPORTED_MATCHES_MAXNUM * 2]; - unsigned int rx_match_count; - - struct rw_semaphore lock; /* Protects entries */ - struct { - unsigned long spec; /* pointer to spec plus flag bits */ -/* AUTO_OLD is used to mark and sweep MAC filters for the device address lists. */ -/* unused flag 1UL */ -#define EFX_EF10_FILTER_FLAG_AUTO_OLD 2UL -#define EFX_EF10_FILTER_FLAGS 3UL - u64 handle; /* firmware handle */ - } *entry; -/* Shadow of net_device address lists, guarded by mac_lock */ - struct efx_ef10_dev_addr dev_uc_list[EFX_EF10_FILTER_DEV_UC_MAX]; - struct efx_ef10_dev_addr dev_mc_list[EFX_EF10_FILTER_DEV_MC_MAX]; - int dev_uc_count; - int dev_mc_count; - bool uc_promisc; - bool mc_promisc; -/* Whether in multicast promiscuous mode when last changed */ - bool mc_promisc_last; - bool mc_overflow; /* Too many MC addrs; should always imply mc_promisc */ - bool vlan_filter; - struct list_head vlan_list; -}; - -/* An arbitrary search limit for the software hash table */ -#define EFX_EF10_FILTER_SEARCH_LIMIT 200 - -static void efx_ef10_rx_free_indir_table(struct efx_nic *efx); -static void efx_ef10_filter_table_remove(struct efx_nic *efx); -static int efx_ef10_filter_add_vlan(struct efx_nic *efx, u16 vid); -static void efx_ef10_filter_del_vlan_internal(struct efx_nic *efx, - struct efx_ef10_filter_vlan *vlan); -static void efx_ef10_filter_del_vlan(struct efx_nic *efx, u16 vid); static int efx_ef10_set_udp_tnl_ports(struct efx_nic *efx, bool unloading); -static u32 efx_ef10_filter_get_unsafe_id(u32 filter_id) -{ - WARN_ON_ONCE(filter_id == EFX_EF10_FILTER_ID_INVALID); - return filter_id & (HUNT_FILTER_TBL_ROWS - 1); -} - -static unsigned int efx_ef10_filter_get_unsafe_pri(u32 filter_id) -{ - return filter_id / (HUNT_FILTER_TBL_ROWS * 2); -} - -static u32 efx_ef10_make_filter_id(unsigned int pri, u16 idx) -{ - return pri * HUNT_FILTER_TBL_ROWS * 2 + idx; -} - static int efx_ef10_get_warm_boot_count(struct efx_nic *efx) { efx_dword_t reg; @@ -185,24 +80,6 @@ static bool efx_ef10_is_vf(struct efx_nic *efx) return efx->type->is_vf; } -static int efx_ef10_get_pf_index(struct efx_nic *efx) -{ - MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN); - struct efx_ef10_nic_data *nic_data = efx->nic_data; - size_t outlen; - int rc; - - rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf, - sizeof(outbuf), &outlen); - if (rc) - return rc; - if (outlen < sizeof(outbuf)) - return -EIO; - - nic_data->pf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_PF); - return 0; -} - #ifdef CONFIG_SFC_SRIOV static int efx_ef10_get_vf_index(struct efx_nic *efx) { @@ -273,24 +150,9 @@ static int efx_ef10_init_datapath_caps(struct efx_nic *efx) u8 vi_window_mode = MCDI_BYTE(outbuf, GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE); - switch (vi_window_mode) { - case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_8K: - efx->vi_stride = 8192; - break; - case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_16K: - efx->vi_stride = 16384; - break; - case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_64K: - efx->vi_stride = 65536; - break; - default: - netif_err(efx, probe, efx->net_dev, - "Unrecognised VI window mode %d\n", - vi_window_mode); - return -EIO; - } - netif_dbg(efx, probe, efx->net_dev, "vi_stride = %u\n", - efx->vi_stride); + rc = efx_mcdi_window_mode_to_stride(efx, vi_window_mode); + if (rc) + return rc; } else { /* keep default VI stride */ netif_dbg(efx, probe, efx->net_dev, @@ -576,7 +438,7 @@ static int efx_ef10_add_vlan(struct efx_nic *efx, u16 vid) if (efx->filter_state) { mutex_lock(&efx->mac_lock); down_write(&efx->filter_sem); - rc = efx_ef10_filter_add_vlan(efx, vlan->vid); + rc = efx_mcdi_filter_add_vlan(efx, vlan->vid); up_write(&efx->filter_sem); mutex_unlock(&efx->mac_lock); if (rc) @@ -605,7 +467,7 @@ static void efx_ef10_del_vlan_internal(struct efx_nic *efx, if (efx->filter_state) { down_write(&efx->filter_sem); - efx_ef10_filter_del_vlan(efx, vlan->vid); + efx_mcdi_filter_del_vlan(efx, vlan->vid); up_write(&efx->filter_sem); } @@ -689,7 +551,7 @@ static int efx_ef10_probe(struct efx_nic *efx) } nic_data->warm_boot_count = rc; - efx->rss_context.context_id = EFX_EF10_RSS_CONTEXT_INVALID; + efx->rss_context.context_id = EFX_MCDI_RSS_CONTEXT_INVALID; nic_data->vport_id = EVB_PORT_ID_ASSIGNED; @@ -725,7 +587,7 @@ static int efx_ef10_probe(struct efx_nic *efx) if (rc) goto fail4; - rc = efx_ef10_get_pf_index(efx); + rc = efx_get_pf_index(efx, &nic_data->pf_index); if (rc) goto fail5; @@ -831,22 +693,6 @@ 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) @@ -1084,12 +930,12 @@ static void efx_ef10_remove(struct efx_nic *efx) efx_mcdi_mon_remove(efx); - efx_ef10_rx_free_indir_table(efx); + efx_mcdi_rx_free_indir_table(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) @@ -1260,28 +1106,10 @@ 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 @@ -1363,7 +1191,7 @@ 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; @@ -1384,7 +1212,7 @@ 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; } @@ -1490,7 +1318,7 @@ static int efx_ef10_init_nic(struct efx_nic *efx) return 0; } -static void efx_ef10_reset_mc_allocations(struct efx_nic *efx) +static void efx_ef10_table_reset_mc_allocations(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; #ifdef CONFIG_SFC_SRIOV @@ -1503,7 +1331,7 @@ static void efx_ef10_reset_mc_allocations(struct efx_nic *efx) nic_data->must_restore_filters = true; nic_data->must_restore_piobufs = true; efx_ef10_forget_old_piobufs(efx); - efx->rss_context.context_id = EFX_EF10_RSS_CONTEXT_INVALID; + efx->rss_context.context_id = EFX_MCDI_RSS_CONTEXT_INVALID; /* Driver-created vswitches and vports must be re-created */ nic_data->must_probe_vswitching = true; @@ -1571,7 +1399,7 @@ static int efx_ef10_reset(struct efx_nic *efx, enum reset_type reset_type) */ if ((reset_type == RESET_TYPE_ALL || reset_type == RESET_TYPE_MCDI_TIMEOUT) && !rc) - efx_ef10_reset_mc_allocations(efx); + efx_ef10_table_reset_mc_allocations(efx); return rc; } @@ -2187,7 +2015,7 @@ static void efx_ef10_mcdi_reboot_detected(struct efx_nic *efx) struct efx_ef10_nic_data *nic_data = efx->nic_data; /* All our allocations have been reset */ - efx_ef10_reset_mc_allocations(efx); + efx_ef10_table_reset_mc_allocations(efx); /* The datapath firmware might have been changed */ nic_data->must_check_datapath_caps = true; @@ -2408,20 +2236,15 @@ 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 @@ -2448,51 +2271,9 @@ 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 @@ -2530,35 +2311,6 @@ 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) { @@ -2637,527 +2389,6 @@ static void efx_ef10_tx_write(struct efx_tx_queue *tx_queue) } } -#define RSS_MODE_HASH_ADDRS (1 << RSS_MODE_HASH_SRC_ADDR_LBN |\ - 1 << RSS_MODE_HASH_DST_ADDR_LBN) -#define RSS_MODE_HASH_PORTS (1 << RSS_MODE_HASH_SRC_PORT_LBN |\ - 1 << RSS_MODE_HASH_DST_PORT_LBN) -#define RSS_CONTEXT_FLAGS_DEFAULT (1 << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_TOEPLITZ_IPV4_EN_LBN |\ - 1 << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_TOEPLITZ_TCPV4_EN_LBN |\ - 1 << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_TOEPLITZ_IPV6_EN_LBN |\ - 1 << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_TOEPLITZ_TCPV6_EN_LBN |\ - (RSS_MODE_HASH_ADDRS | RSS_MODE_HASH_PORTS) << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_TCP_IPV4_RSS_MODE_LBN |\ - RSS_MODE_HASH_ADDRS << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_UDP_IPV4_RSS_MODE_LBN |\ - RSS_MODE_HASH_ADDRS << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_OTHER_IPV4_RSS_MODE_LBN |\ - (RSS_MODE_HASH_ADDRS | RSS_MODE_HASH_PORTS) << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_TCP_IPV6_RSS_MODE_LBN |\ - RSS_MODE_HASH_ADDRS << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_UDP_IPV6_RSS_MODE_LBN |\ - RSS_MODE_HASH_ADDRS << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_OTHER_IPV6_RSS_MODE_LBN) - -static int efx_ef10_get_rss_flags(struct efx_nic *efx, u32 context, u32 *flags) -{ - /* Firmware had a bug (sfc bug 61952) where it would not actually - * fill in the flags field in the response to MC_CMD_RSS_CONTEXT_GET_FLAGS. - * This meant that it would always contain whatever was previously - * in the MCDI buffer. Fortunately, all firmware versions with - * this bug have the same default flags value for a newly-allocated - * RSS context, and the only time we want to get the flags is just - * after allocating. Moreover, the response has a 32-bit hole - * where the context ID would be in the request, so we can use an - * overlength buffer in the request and pre-fill the flags field - * with what we believe the default to be. Thus if the firmware - * has the bug, it will leave our pre-filled value in the flags - * field of the response, and we will get the right answer. - * - * However, this does mean that this function should NOT be used if - * the RSS context flags might not be their defaults - it is ONLY - * reliably correct for a newly-allocated RSS context. - */ - MCDI_DECLARE_BUF(inbuf, MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_LEN); - MCDI_DECLARE_BUF(outbuf, MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_LEN); - size_t outlen; - int rc; - - /* Check we have a hole for the context ID */ - BUILD_BUG_ON(MC_CMD_RSS_CONTEXT_GET_FLAGS_IN_LEN != MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_FLAGS_OFST); - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_GET_FLAGS_IN_RSS_CONTEXT_ID, context); - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_GET_FLAGS_OUT_FLAGS, - RSS_CONTEXT_FLAGS_DEFAULT); - rc = efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_GET_FLAGS, inbuf, - sizeof(inbuf), outbuf, sizeof(outbuf), &outlen); - if (rc == 0) { - if (outlen < MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_LEN) - rc = -EIO; - else - *flags = MCDI_DWORD(outbuf, RSS_CONTEXT_GET_FLAGS_OUT_FLAGS); - } - return rc; -} - -/* Attempt to enable 4-tuple UDP hashing on the specified RSS context. - * If we fail, we just leave the RSS context at its default hash settings, - * which is safe but may slightly reduce performance. - * Defaults are 4-tuple for TCP and 2-tuple for UDP and other-IP, so we - * just need to set the UDP ports flags (for both IP versions). - */ -static void efx_ef10_set_rss_flags(struct efx_nic *efx, - struct efx_rss_context *ctx) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN); - u32 flags; - - BUILD_BUG_ON(MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN != 0); - - if (efx_ef10_get_rss_flags(efx, ctx->context_id, &flags) != 0) - return; - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_SET_FLAGS_IN_RSS_CONTEXT_ID, - ctx->context_id); - flags |= RSS_MODE_HASH_PORTS << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_UDP_IPV4_RSS_MODE_LBN; - flags |= RSS_MODE_HASH_PORTS << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_UDP_IPV6_RSS_MODE_LBN; - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_SET_FLAGS_IN_FLAGS, flags); - if (!efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_SET_FLAGS, inbuf, sizeof(inbuf), - NULL, 0, NULL)) - /* Succeeded, so UDP 4-tuple is now enabled */ - ctx->rx_hash_udp_4tuple = true; -} - -static int efx_ef10_alloc_rss_context(struct efx_nic *efx, bool exclusive, - struct efx_rss_context *ctx, - unsigned *context_size) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN); - MCDI_DECLARE_BUF(outbuf, MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN); - struct efx_ef10_nic_data *nic_data = efx->nic_data; - size_t outlen; - int rc; - u32 alloc_type = exclusive ? - MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_EXCLUSIVE : - MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_SHARED; - unsigned rss_spread = exclusive ? - efx->rss_spread : - min(rounddown_pow_of_two(efx->rss_spread), - EFX_EF10_MAX_SHARED_RSS_CONTEXT_SIZE); - - if (!exclusive && rss_spread == 1) { - ctx->context_id = EFX_EF10_RSS_CONTEXT_INVALID; - if (context_size) - *context_size = 1; - return 0; - } - - if (nic_data->datapath_caps & - 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_RSS_LIMITED_LBN) - return -EOPNOTSUPP; - - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID, - nic_data->vport_id); - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_TYPE, alloc_type); - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, rss_spread); - - rc = efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_ALLOC, inbuf, sizeof(inbuf), - outbuf, sizeof(outbuf), &outlen); - if (rc != 0) - return rc; - - if (outlen < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) - return -EIO; - - ctx->context_id = MCDI_DWORD(outbuf, RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID); - - if (context_size) - *context_size = rss_spread; - - if (nic_data->datapath_caps & - 1 << MC_CMD_GET_CAPABILITIES_OUT_ADDITIONAL_RSS_MODES_LBN) - efx_ef10_set_rss_flags(efx, ctx); - - return 0; -} - -static int efx_ef10_free_rss_context(struct efx_nic *efx, u32 context) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_RSS_CONTEXT_FREE_IN_LEN); - - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_FREE_IN_RSS_CONTEXT_ID, - context); - return efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_FREE, inbuf, sizeof(inbuf), - NULL, 0, NULL); -} - -static int efx_ef10_populate_rss_table(struct efx_nic *efx, u32 context, - const u32 *rx_indir_table, const u8 *key) -{ - MCDI_DECLARE_BUF(tablebuf, MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN); - MCDI_DECLARE_BUF(keybuf, MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN); - int i, rc; - - MCDI_SET_DWORD(tablebuf, RSS_CONTEXT_SET_TABLE_IN_RSS_CONTEXT_ID, - context); - BUILD_BUG_ON(ARRAY_SIZE(efx->rss_context.rx_indir_table) != - MC_CMD_RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE_LEN); - - /* This iterates over the length of efx->rss_context.rx_indir_table, but - * copies bytes from rx_indir_table. That's because the latter is a - * pointer rather than an array, but should have the same length. - * The efx->rss_context.rx_hash_key loop below is similar. - */ - for (i = 0; i < ARRAY_SIZE(efx->rss_context.rx_indir_table); ++i) - MCDI_PTR(tablebuf, - RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE)[i] = - (u8) rx_indir_table[i]; - - rc = efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_SET_TABLE, tablebuf, - sizeof(tablebuf), NULL, 0, NULL); - if (rc != 0) - return rc; - - MCDI_SET_DWORD(keybuf, RSS_CONTEXT_SET_KEY_IN_RSS_CONTEXT_ID, - context); - BUILD_BUG_ON(ARRAY_SIZE(efx->rss_context.rx_hash_key) != - MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN); - for (i = 0; i < ARRAY_SIZE(efx->rss_context.rx_hash_key); ++i) - MCDI_PTR(keybuf, RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY)[i] = key[i]; - - return efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_SET_KEY, keybuf, - sizeof(keybuf), NULL, 0, NULL); -} - -static void efx_ef10_rx_free_indir_table(struct efx_nic *efx) -{ - int rc; - - if (efx->rss_context.context_id != EFX_EF10_RSS_CONTEXT_INVALID) { - rc = efx_ef10_free_rss_context(efx, efx->rss_context.context_id); - WARN_ON(rc != 0); - } - efx->rss_context.context_id = EFX_EF10_RSS_CONTEXT_INVALID; -} - -static int efx_ef10_rx_push_shared_rss_config(struct efx_nic *efx, - unsigned *context_size) -{ - struct efx_ef10_nic_data *nic_data = efx->nic_data; - int rc = efx_ef10_alloc_rss_context(efx, false, &efx->rss_context, - context_size); - - if (rc != 0) - return rc; - - nic_data->rx_rss_context_exclusive = false; - efx_set_default_rx_indir_table(efx, &efx->rss_context); - return 0; -} - -static int efx_ef10_rx_push_exclusive_rss_config(struct efx_nic *efx, - const u32 *rx_indir_table, - const u8 *key) -{ - u32 old_rx_rss_context = efx->rss_context.context_id; - struct efx_ef10_nic_data *nic_data = efx->nic_data; - int rc; - - if (efx->rss_context.context_id == EFX_EF10_RSS_CONTEXT_INVALID || - !nic_data->rx_rss_context_exclusive) { - rc = efx_ef10_alloc_rss_context(efx, true, &efx->rss_context, - NULL); - if (rc == -EOPNOTSUPP) - return rc; - else if (rc != 0) - goto fail1; - } - - rc = efx_ef10_populate_rss_table(efx, efx->rss_context.context_id, - rx_indir_table, key); - if (rc != 0) - goto fail2; - - if (efx->rss_context.context_id != old_rx_rss_context && - old_rx_rss_context != EFX_EF10_RSS_CONTEXT_INVALID) - WARN_ON(efx_ef10_free_rss_context(efx, old_rx_rss_context) != 0); - nic_data->rx_rss_context_exclusive = true; - if (rx_indir_table != efx->rss_context.rx_indir_table) - memcpy(efx->rss_context.rx_indir_table, rx_indir_table, - sizeof(efx->rss_context.rx_indir_table)); - if (key != efx->rss_context.rx_hash_key) - memcpy(efx->rss_context.rx_hash_key, key, - efx->type->rx_hash_key_size); - - return 0; - -fail2: - if (old_rx_rss_context != efx->rss_context.context_id) { - WARN_ON(efx_ef10_free_rss_context(efx, efx->rss_context.context_id) != 0); - efx->rss_context.context_id = old_rx_rss_context; - } -fail1: - netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc); - return rc; -} - -static int efx_ef10_rx_push_rss_context_config(struct efx_nic *efx, - struct efx_rss_context *ctx, - const u32 *rx_indir_table, - const u8 *key) -{ - int rc; - - WARN_ON(!mutex_is_locked(&efx->rss_lock)); - - if (ctx->context_id == EFX_EF10_RSS_CONTEXT_INVALID) { - rc = efx_ef10_alloc_rss_context(efx, true, ctx, NULL); - if (rc) - return rc; - } - - if (!rx_indir_table) /* Delete this context */ - return efx_ef10_free_rss_context(efx, ctx->context_id); - - rc = efx_ef10_populate_rss_table(efx, ctx->context_id, - rx_indir_table, key); - if (rc) - return rc; - - memcpy(ctx->rx_indir_table, rx_indir_table, - sizeof(efx->rss_context.rx_indir_table)); - memcpy(ctx->rx_hash_key, key, efx->type->rx_hash_key_size); - - return 0; -} - -static int efx_ef10_rx_pull_rss_context_config(struct efx_nic *efx, - struct efx_rss_context *ctx) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_RSS_CONTEXT_GET_TABLE_IN_LEN); - MCDI_DECLARE_BUF(tablebuf, MC_CMD_RSS_CONTEXT_GET_TABLE_OUT_LEN); - MCDI_DECLARE_BUF(keybuf, MC_CMD_RSS_CONTEXT_GET_KEY_OUT_LEN); - size_t outlen; - int rc, i; - - WARN_ON(!mutex_is_locked(&efx->rss_lock)); - - BUILD_BUG_ON(MC_CMD_RSS_CONTEXT_GET_TABLE_IN_LEN != - MC_CMD_RSS_CONTEXT_GET_KEY_IN_LEN); - - if (ctx->context_id == EFX_EF10_RSS_CONTEXT_INVALID) - return -ENOENT; - - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_GET_TABLE_IN_RSS_CONTEXT_ID, - ctx->context_id); - BUILD_BUG_ON(ARRAY_SIZE(ctx->rx_indir_table) != - MC_CMD_RSS_CONTEXT_GET_TABLE_OUT_INDIRECTION_TABLE_LEN); - rc = efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_GET_TABLE, inbuf, sizeof(inbuf), - tablebuf, sizeof(tablebuf), &outlen); - if (rc != 0) - return rc; - - if (WARN_ON(outlen != MC_CMD_RSS_CONTEXT_GET_TABLE_OUT_LEN)) - return -EIO; - - for (i = 0; i < ARRAY_SIZE(ctx->rx_indir_table); i++) - ctx->rx_indir_table[i] = MCDI_PTR(tablebuf, - RSS_CONTEXT_GET_TABLE_OUT_INDIRECTION_TABLE)[i]; - - MCDI_SET_DWORD(inbuf, RSS_CONTEXT_GET_KEY_IN_RSS_CONTEXT_ID, - ctx->context_id); - BUILD_BUG_ON(ARRAY_SIZE(ctx->rx_hash_key) != - MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN); - rc = efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_GET_KEY, inbuf, sizeof(inbuf), - keybuf, sizeof(keybuf), &outlen); - if (rc != 0) - return rc; - - if (WARN_ON(outlen != MC_CMD_RSS_CONTEXT_GET_KEY_OUT_LEN)) - return -EIO; - - for (i = 0; i < ARRAY_SIZE(ctx->rx_hash_key); ++i) - ctx->rx_hash_key[i] = MCDI_PTR( - keybuf, RSS_CONTEXT_GET_KEY_OUT_TOEPLITZ_KEY)[i]; - - return 0; -} - -static int efx_ef10_rx_pull_rss_config(struct efx_nic *efx) -{ - int rc; - - mutex_lock(&efx->rss_lock); - rc = efx_ef10_rx_pull_rss_context_config(efx, &efx->rss_context); - mutex_unlock(&efx->rss_lock); - return rc; -} - -static void efx_ef10_rx_restore_rss_contexts(struct efx_nic *efx) -{ - struct efx_ef10_nic_data *nic_data = efx->nic_data; - struct efx_rss_context *ctx; - int rc; - - WARN_ON(!mutex_is_locked(&efx->rss_lock)); - - if (!nic_data->must_restore_rss_contexts) - return; - - list_for_each_entry(ctx, &efx->rss_context.list, list) { - /* previous NIC RSS context is gone */ - ctx->context_id = EFX_EF10_RSS_CONTEXT_INVALID; - /* so try to allocate a new one */ - rc = efx_ef10_rx_push_rss_context_config(efx, ctx, - ctx->rx_indir_table, - ctx->rx_hash_key); - if (rc) - netif_warn(efx, probe, efx->net_dev, - "failed to restore RSS context %u, rc=%d" - "; RSS filters may fail to be applied\n", - ctx->user_id, rc); - } - nic_data->must_restore_rss_contexts = false; -} - -static int efx_ef10_pf_rx_push_rss_config(struct efx_nic *efx, bool user, - const u32 *rx_indir_table, - const u8 *key) -{ - int rc; - - if (efx->rss_spread == 1) - return 0; - - if (!key) - key = efx->rss_context.rx_hash_key; - - rc = efx_ef10_rx_push_exclusive_rss_config(efx, rx_indir_table, key); - - if (rc == -ENOBUFS && !user) { - unsigned context_size; - bool mismatch = false; - size_t i; - - for (i = 0; - i < ARRAY_SIZE(efx->rss_context.rx_indir_table) && !mismatch; - i++) - mismatch = rx_indir_table[i] != - ethtool_rxfh_indir_default(i, efx->rss_spread); - - rc = efx_ef10_rx_push_shared_rss_config(efx, &context_size); - if (rc == 0) { - if (context_size != efx->rss_spread) - netif_warn(efx, probe, efx->net_dev, - "Could not allocate an exclusive RSS" - " context; allocated a shared one of" - " different size." - " Wanted %u, got %u.\n", - efx->rss_spread, context_size); - else if (mismatch) - netif_warn(efx, probe, efx->net_dev, - "Could not allocate an exclusive RSS" - " context; allocated a shared one but" - " could not apply custom" - " indirection.\n"); - else - netif_info(efx, probe, efx->net_dev, - "Could not allocate an exclusive RSS" - " context; allocated a shared one.\n"); - } - } - return rc; -} - -static int efx_ef10_vf_rx_push_rss_config(struct efx_nic *efx, bool user, - const u32 *rx_indir_table - __attribute__ ((unused)), - const u8 *key - __attribute__ ((unused))) -{ - if (user) - return -EOPNOTSUPP; - if (efx->rss_context.context_id != EFX_EF10_RSS_CONTEXT_INVALID) - return 0; - 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) @@ -3229,106 +2460,20 @@ 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) @@ -3386,15 +2531,10 @@ 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) { @@ -3976,9 +3116,9 @@ 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, @@ -4000,1538 +3140,6 @@ static void efx_ef10_prepare_flr(struct efx_nic *efx) atomic_set(&efx->active_queues, 0); } -/* Decide whether a filter should be exclusive or else should allow - * delivery to additional recipients. Currently we decide that - * filters for specific local unicast MAC and IP addresses are - * exclusive. - */ -static bool efx_ef10_filter_is_exclusive(const struct efx_filter_spec *spec) -{ - if (spec->match_flags & EFX_FILTER_MATCH_LOC_MAC && - !is_multicast_ether_addr(spec->loc_mac)) - return true; - - if ((spec->match_flags & - (EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_LOC_HOST)) == - (EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_LOC_HOST)) { - if (spec->ether_type == htons(ETH_P_IP) && - !ipv4_is_multicast(spec->loc_host[0])) - return true; - if (spec->ether_type == htons(ETH_P_IPV6) && - ((const u8 *)spec->loc_host)[0] != 0xff) - return true; - } - - return false; -} - -static struct efx_filter_spec * -efx_ef10_filter_entry_spec(const struct efx_ef10_filter_table *table, - unsigned int filter_idx) -{ - return (struct efx_filter_spec *)(table->entry[filter_idx].spec & - ~EFX_EF10_FILTER_FLAGS); -} - -static unsigned int -efx_ef10_filter_entry_flags(const struct efx_ef10_filter_table *table, - unsigned int filter_idx) -{ - return table->entry[filter_idx].spec & EFX_EF10_FILTER_FLAGS; -} - -static void -efx_ef10_filter_set_entry(struct efx_ef10_filter_table *table, - unsigned int filter_idx, - const struct efx_filter_spec *spec, - unsigned int flags) -{ - table->entry[filter_idx].spec = (unsigned long)spec | flags; -} - -static void -efx_ef10_filter_push_prep_set_match_fields(struct efx_nic *efx, - const struct efx_filter_spec *spec, - efx_dword_t *inbuf) -{ - enum efx_encap_type encap_type = efx_filter_get_encap_type(spec); - u32 match_fields = 0, uc_match, mc_match; - - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, - efx_ef10_filter_is_exclusive(spec) ? - MC_CMD_FILTER_OP_IN_OP_INSERT : - MC_CMD_FILTER_OP_IN_OP_SUBSCRIBE); - - /* Convert match flags and values. Unlike almost - * everything else in MCDI, these fields are in - * network byte order. - */ -#define COPY_VALUE(value, mcdi_field) \ - do { \ - match_fields |= \ - 1 << MC_CMD_FILTER_OP_IN_MATCH_ ## \ - mcdi_field ## _LBN; \ - BUILD_BUG_ON( \ - MC_CMD_FILTER_OP_IN_ ## mcdi_field ## _LEN < \ - sizeof(value)); \ - memcpy(MCDI_PTR(inbuf, FILTER_OP_IN_ ## mcdi_field), \ - &value, sizeof(value)); \ - } while (0) -#define COPY_FIELD(gen_flag, gen_field, mcdi_field) \ - if (spec->match_flags & EFX_FILTER_MATCH_ ## gen_flag) { \ - COPY_VALUE(spec->gen_field, mcdi_field); \ - } - /* Handle encap filters first. They will always be mismatch - * (unknown UC or MC) filters - */ - if (encap_type) { - /* ether_type and outer_ip_proto need to be variables - * because COPY_VALUE wants to memcpy them - */ - __be16 ether_type = - htons(encap_type & EFX_ENCAP_FLAG_IPV6 ? - ETH_P_IPV6 : ETH_P_IP); - u8 vni_type = MC_CMD_FILTER_OP_EXT_IN_VNI_TYPE_GENEVE; - u8 outer_ip_proto; - - switch (encap_type & EFX_ENCAP_TYPES_MASK) { - case EFX_ENCAP_TYPE_VXLAN: - vni_type = MC_CMD_FILTER_OP_EXT_IN_VNI_TYPE_VXLAN; - /* fallthrough */ - case EFX_ENCAP_TYPE_GENEVE: - COPY_VALUE(ether_type, ETHER_TYPE); - outer_ip_proto = IPPROTO_UDP; - COPY_VALUE(outer_ip_proto, IP_PROTO); - /* We always need to set the type field, even - * though we're not matching on the TNI. - */ - MCDI_POPULATE_DWORD_1(inbuf, - FILTER_OP_EXT_IN_VNI_OR_VSID, - FILTER_OP_EXT_IN_VNI_TYPE, - vni_type); - break; - case EFX_ENCAP_TYPE_NVGRE: - COPY_VALUE(ether_type, ETHER_TYPE); - outer_ip_proto = IPPROTO_GRE; - COPY_VALUE(outer_ip_proto, IP_PROTO); - break; - default: - WARN_ON(1); - } - - uc_match = MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_UCAST_DST_LBN; - mc_match = MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_MCAST_DST_LBN; - } else { - uc_match = MC_CMD_FILTER_OP_EXT_IN_MATCH_UNKNOWN_UCAST_DST_LBN; - mc_match = MC_CMD_FILTER_OP_EXT_IN_MATCH_UNKNOWN_MCAST_DST_LBN; - } - - if (spec->match_flags & EFX_FILTER_MATCH_LOC_MAC_IG) - match_fields |= - is_multicast_ether_addr(spec->loc_mac) ? - 1 << mc_match : - 1 << uc_match; - COPY_FIELD(REM_HOST, rem_host, SRC_IP); - COPY_FIELD(LOC_HOST, loc_host, DST_IP); - COPY_FIELD(REM_MAC, rem_mac, SRC_MAC); - COPY_FIELD(REM_PORT, rem_port, SRC_PORT); - COPY_FIELD(LOC_MAC, loc_mac, DST_MAC); - COPY_FIELD(LOC_PORT, loc_port, DST_PORT); - COPY_FIELD(ETHER_TYPE, ether_type, ETHER_TYPE); - COPY_FIELD(INNER_VID, inner_vid, INNER_VLAN); - COPY_FIELD(OUTER_VID, outer_vid, OUTER_VLAN); - COPY_FIELD(IP_PROTO, ip_proto, IP_PROTO); -#undef COPY_FIELD -#undef COPY_VALUE - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_MATCH_FIELDS, - match_fields); -} - -static void efx_ef10_filter_push_prep(struct efx_nic *efx, - const struct efx_filter_spec *spec, - efx_dword_t *inbuf, u64 handle, - struct efx_rss_context *ctx, - bool replacing) -{ - struct efx_ef10_nic_data *nic_data = efx->nic_data; - u32 flags = spec->flags; - - memset(inbuf, 0, MC_CMD_FILTER_OP_EXT_IN_LEN); - - /* If RSS filter, caller better have given us an RSS context */ - if (flags & EFX_FILTER_FLAG_RX_RSS) { - /* We don't have the ability to return an error, so we'll just - * log a warning and disable RSS for the filter. - */ - if (WARN_ON_ONCE(!ctx)) - flags &= ~EFX_FILTER_FLAG_RX_RSS; - else if (WARN_ON_ONCE(ctx->context_id == EFX_EF10_RSS_CONTEXT_INVALID)) - flags &= ~EFX_FILTER_FLAG_RX_RSS; - } - - if (replacing) { - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, - MC_CMD_FILTER_OP_IN_OP_REPLACE); - MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, handle); - } else { - efx_ef10_filter_push_prep_set_match_fields(efx, spec, inbuf); - } - - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_PORT_ID, nic_data->vport_id); - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_DEST, - spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ? - MC_CMD_FILTER_OP_IN_RX_DEST_DROP : - MC_CMD_FILTER_OP_IN_RX_DEST_HOST); - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_TX_DOMAIN, 0); - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_TX_DEST, - MC_CMD_FILTER_OP_IN_TX_DEST_DEFAULT); - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_QUEUE, - spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ? - 0 : spec->dmaq_id); - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE, - (flags & EFX_FILTER_FLAG_RX_RSS) ? - MC_CMD_FILTER_OP_IN_RX_MODE_RSS : - MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE); - if (flags & EFX_FILTER_FLAG_RX_RSS) - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_CONTEXT, ctx->context_id); -} - -static int efx_ef10_filter_push(struct efx_nic *efx, - const struct efx_filter_spec *spec, u64 *handle, - struct efx_rss_context *ctx, bool replacing) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); - MCDI_DECLARE_BUF(outbuf, MC_CMD_FILTER_OP_EXT_OUT_LEN); - size_t outlen; - int rc; - - efx_ef10_filter_push_prep(efx, spec, inbuf, *handle, ctx, replacing); - rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FILTER_OP, inbuf, sizeof(inbuf), - outbuf, sizeof(outbuf), &outlen); - if (rc && spec->priority != EFX_FILTER_PRI_HINT) - efx_mcdi_display_error(efx, MC_CMD_FILTER_OP, sizeof(inbuf), - outbuf, outlen, rc); - if (rc == 0) - *handle = MCDI_QWORD(outbuf, FILTER_OP_OUT_HANDLE); - if (rc == -ENOSPC) - rc = -EBUSY; /* to match efx_farch_filter_insert() */ - return rc; -} - -static u32 efx_ef10_filter_mcdi_flags_from_spec(const struct efx_filter_spec *spec) -{ - enum efx_encap_type encap_type = efx_filter_get_encap_type(spec); - unsigned int match_flags = spec->match_flags; - unsigned int uc_match, mc_match; - u32 mcdi_flags = 0; - -#define MAP_FILTER_TO_MCDI_FLAG(gen_flag, mcdi_field, encap) { \ - unsigned int old_match_flags = match_flags; \ - match_flags &= ~EFX_FILTER_MATCH_ ## gen_flag; \ - if (match_flags != old_match_flags) \ - mcdi_flags |= \ - (1 << ((encap) ? \ - MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_ ## \ - mcdi_field ## _LBN : \ - MC_CMD_FILTER_OP_EXT_IN_MATCH_ ##\ - mcdi_field ## _LBN)); \ - } - /* inner or outer based on encap type */ - MAP_FILTER_TO_MCDI_FLAG(REM_HOST, SRC_IP, encap_type); - MAP_FILTER_TO_MCDI_FLAG(LOC_HOST, DST_IP, encap_type); - MAP_FILTER_TO_MCDI_FLAG(REM_MAC, SRC_MAC, encap_type); - MAP_FILTER_TO_MCDI_FLAG(REM_PORT, SRC_PORT, encap_type); - MAP_FILTER_TO_MCDI_FLAG(LOC_MAC, DST_MAC, encap_type); - MAP_FILTER_TO_MCDI_FLAG(LOC_PORT, DST_PORT, encap_type); - MAP_FILTER_TO_MCDI_FLAG(ETHER_TYPE, ETHER_TYPE, encap_type); - MAP_FILTER_TO_MCDI_FLAG(IP_PROTO, IP_PROTO, encap_type); - /* always outer */ - MAP_FILTER_TO_MCDI_FLAG(INNER_VID, INNER_VLAN, false); - MAP_FILTER_TO_MCDI_FLAG(OUTER_VID, OUTER_VLAN, false); -#undef MAP_FILTER_TO_MCDI_FLAG - - /* special handling for encap type, and mismatch */ - if (encap_type) { - match_flags &= ~EFX_FILTER_MATCH_ENCAP_TYPE; - mcdi_flags |= - (1 << MC_CMD_FILTER_OP_EXT_IN_MATCH_ETHER_TYPE_LBN); - mcdi_flags |= (1 << MC_CMD_FILTER_OP_EXT_IN_MATCH_IP_PROTO_LBN); - - uc_match = MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_UCAST_DST_LBN; - mc_match = MC_CMD_FILTER_OP_EXT_IN_MATCH_IFRM_UNKNOWN_MCAST_DST_LBN; - } else { - uc_match = MC_CMD_FILTER_OP_EXT_IN_MATCH_UNKNOWN_UCAST_DST_LBN; - mc_match = MC_CMD_FILTER_OP_EXT_IN_MATCH_UNKNOWN_MCAST_DST_LBN; - } - - if (match_flags & EFX_FILTER_MATCH_LOC_MAC_IG) { - match_flags &= ~EFX_FILTER_MATCH_LOC_MAC_IG; - mcdi_flags |= - is_multicast_ether_addr(spec->loc_mac) ? - 1 << mc_match : - 1 << uc_match; - } - - /* Did we map them all? */ - WARN_ON_ONCE(match_flags); - - return mcdi_flags; -} - -static int efx_ef10_filter_pri(struct efx_ef10_filter_table *table, - const struct efx_filter_spec *spec) -{ - u32 mcdi_flags = efx_ef10_filter_mcdi_flags_from_spec(spec); - unsigned int match_pri; - - for (match_pri = 0; - match_pri < table->rx_match_count; - match_pri++) - if (table->rx_match_mcdi_flags[match_pri] == mcdi_flags) - return match_pri; - - return -EPROTONOSUPPORT; -} - -static s32 efx_ef10_filter_insert_locked(struct efx_nic *efx, - struct efx_filter_spec *spec, - bool replace_equal) -{ - DECLARE_BITMAP(mc_rem_map, EFX_EF10_FILTER_SEARCH_LIMIT); - struct efx_ef10_nic_data *nic_data = efx->nic_data; - struct efx_ef10_filter_table *table; - struct efx_filter_spec *saved_spec; - struct efx_rss_context *ctx = NULL; - unsigned int match_pri, hash; - unsigned int priv_flags; - bool rss_locked = false; - bool replacing = false; - unsigned int depth, i; - int ins_index = -1; - DEFINE_WAIT(wait); - bool is_mc_recip; - s32 rc; - - WARN_ON(!rwsem_is_locked(&efx->filter_sem)); - table = efx->filter_state; - down_write(&table->lock); - - /* For now, only support RX filters */ - if ((spec->flags & (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_TX)) != - EFX_FILTER_FLAG_RX) { - rc = -EINVAL; - goto out_unlock; - } - - rc = efx_ef10_filter_pri(table, spec); - if (rc < 0) - goto out_unlock; - match_pri = rc; - - hash = efx_filter_spec_hash(spec); - is_mc_recip = efx_filter_is_mc_recipient(spec); - if (is_mc_recip) - bitmap_zero(mc_rem_map, EFX_EF10_FILTER_SEARCH_LIMIT); - - if (spec->flags & EFX_FILTER_FLAG_RX_RSS) { - mutex_lock(&efx->rss_lock); - rss_locked = true; - if (spec->rss_context) - ctx = efx_find_rss_context_entry(efx, spec->rss_context); - else - ctx = &efx->rss_context; - if (!ctx) { - rc = -ENOENT; - goto out_unlock; - } - if (ctx->context_id == EFX_EF10_RSS_CONTEXT_INVALID) { - rc = -EOPNOTSUPP; - goto out_unlock; - } - } - - /* Find any existing filters with the same match tuple or - * else a free slot to insert at. - */ - for (depth = 1; depth < EFX_EF10_FILTER_SEARCH_LIMIT; depth++) { - i = (hash + depth) & (HUNT_FILTER_TBL_ROWS - 1); - saved_spec = efx_ef10_filter_entry_spec(table, i); - - if (!saved_spec) { - if (ins_index < 0) - ins_index = i; - } else if (efx_filter_spec_equal(spec, saved_spec)) { - if (spec->priority < saved_spec->priority && - spec->priority != EFX_FILTER_PRI_AUTO) { - rc = -EPERM; - goto out_unlock; - } - if (!is_mc_recip) { - /* This is the only one */ - if (spec->priority == - saved_spec->priority && - !replace_equal) { - rc = -EEXIST; - goto out_unlock; - } - ins_index = i; - break; - } else if (spec->priority > - saved_spec->priority || - (spec->priority == - saved_spec->priority && - replace_equal)) { - if (ins_index < 0) - ins_index = i; - else - __set_bit(depth, mc_rem_map); - } - } - } - - /* Once we reach the maximum search depth, use the first suitable - * slot, or return -EBUSY if there was none - */ - if (ins_index < 0) { - rc = -EBUSY; - goto out_unlock; - } - - /* Create a software table entry if necessary. */ - saved_spec = efx_ef10_filter_entry_spec(table, ins_index); - if (saved_spec) { - if (spec->priority == EFX_FILTER_PRI_AUTO && - saved_spec->priority >= EFX_FILTER_PRI_AUTO) { - /* Just make sure it won't be removed */ - if (saved_spec->priority > EFX_FILTER_PRI_AUTO) - saved_spec->flags |= EFX_FILTER_FLAG_RX_OVER_AUTO; - table->entry[ins_index].spec &= - ~EFX_EF10_FILTER_FLAG_AUTO_OLD; - rc = ins_index; - goto out_unlock; - } - replacing = true; - priv_flags = efx_ef10_filter_entry_flags(table, ins_index); - } else { - saved_spec = kmalloc(sizeof(*spec), GFP_ATOMIC); - if (!saved_spec) { - rc = -ENOMEM; - goto out_unlock; - } - *saved_spec = *spec; - priv_flags = 0; - } - efx_ef10_filter_set_entry(table, ins_index, saved_spec, priv_flags); - - /* Actually insert the filter on the HW */ - rc = efx_ef10_filter_push(efx, spec, &table->entry[ins_index].handle, - ctx, replacing); - - if (rc == -EINVAL && nic_data->must_realloc_vis) - /* The MC rebooted under us, causing it to reject our filter - * insertion as pointing to an invalid VI (spec->dmaq_id). - */ - rc = -EAGAIN; - - /* Finalise the software table entry */ - if (rc == 0) { - if (replacing) { - /* Update the fields that may differ */ - if (saved_spec->priority == EFX_FILTER_PRI_AUTO) - saved_spec->flags |= - EFX_FILTER_FLAG_RX_OVER_AUTO; - saved_spec->priority = spec->priority; - saved_spec->flags &= EFX_FILTER_FLAG_RX_OVER_AUTO; - saved_spec->flags |= spec->flags; - saved_spec->rss_context = spec->rss_context; - saved_spec->dmaq_id = spec->dmaq_id; - } - } else if (!replacing) { - kfree(saved_spec); - saved_spec = NULL; - } else { - /* We failed to replace, so the old filter is still present. - * Roll back the software table to reflect this. In fact the - * efx_ef10_filter_set_entry() call below will do the right - * thing, so nothing extra is needed here. - */ - } - efx_ef10_filter_set_entry(table, ins_index, saved_spec, priv_flags); - - /* Remove and finalise entries for lower-priority multicast - * recipients - */ - if (is_mc_recip) { - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); - unsigned int depth, i; - - memset(inbuf, 0, sizeof(inbuf)); - - for (depth = 0; depth < EFX_EF10_FILTER_SEARCH_LIMIT; depth++) { - if (!test_bit(depth, mc_rem_map)) - continue; - - i = (hash + depth) & (HUNT_FILTER_TBL_ROWS - 1); - saved_spec = efx_ef10_filter_entry_spec(table, i); - priv_flags = efx_ef10_filter_entry_flags(table, i); - - if (rc == 0) { - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, - MC_CMD_FILTER_OP_IN_OP_UNSUBSCRIBE); - MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, - table->entry[i].handle); - rc = efx_mcdi_rpc(efx, MC_CMD_FILTER_OP, - inbuf, sizeof(inbuf), - NULL, 0, NULL); - } - - if (rc == 0) { - kfree(saved_spec); - saved_spec = NULL; - priv_flags = 0; - } - efx_ef10_filter_set_entry(table, i, saved_spec, - priv_flags); - } - } - - /* If successful, return the inserted filter ID */ - if (rc == 0) - rc = efx_ef10_make_filter_id(match_pri, ins_index); - -out_unlock: - if (rss_locked) - mutex_unlock(&efx->rss_lock); - up_write(&table->lock); - return rc; -} - -static s32 efx_ef10_filter_insert(struct efx_nic *efx, - struct efx_filter_spec *spec, - bool replace_equal) -{ - s32 ret; - - down_read(&efx->filter_sem); - ret = efx_ef10_filter_insert_locked(efx, spec, replace_equal); - up_read(&efx->filter_sem); - - return ret; -} - -static void efx_ef10_filter_update_rx_scatter(struct efx_nic *efx) -{ - /* no need to do anything here on EF10 */ -} - -/* Remove a filter. - * If !by_index, remove by ID - * If by_index, remove by index - * Filter ID may come from userland and must be range-checked. - * Caller must hold efx->filter_sem for read, and efx->filter_state->lock - * for write. - */ -static int efx_ef10_filter_remove_internal(struct efx_nic *efx, - unsigned int priority_mask, - u32 filter_id, bool by_index) -{ - unsigned int filter_idx = efx_ef10_filter_get_unsafe_id(filter_id); - struct efx_ef10_filter_table *table = efx->filter_state; - MCDI_DECLARE_BUF(inbuf, - MC_CMD_FILTER_OP_IN_HANDLE_OFST + - MC_CMD_FILTER_OP_IN_HANDLE_LEN); - struct efx_filter_spec *spec; - DEFINE_WAIT(wait); - int rc; - - spec = efx_ef10_filter_entry_spec(table, filter_idx); - if (!spec || - (!by_index && - efx_ef10_filter_pri(table, spec) != - efx_ef10_filter_get_unsafe_pri(filter_id))) - return -ENOENT; - - if (spec->flags & EFX_FILTER_FLAG_RX_OVER_AUTO && - priority_mask == (1U << EFX_FILTER_PRI_AUTO)) { - /* Just remove flags */ - spec->flags &= ~EFX_FILTER_FLAG_RX_OVER_AUTO; - table->entry[filter_idx].spec &= ~EFX_EF10_FILTER_FLAG_AUTO_OLD; - return 0; - } - - if (!(priority_mask & (1U << spec->priority))) - return -ENOENT; - - if (spec->flags & EFX_FILTER_FLAG_RX_OVER_AUTO) { - /* Reset to an automatic filter */ - - struct efx_filter_spec new_spec = *spec; - - new_spec.priority = EFX_FILTER_PRI_AUTO; - new_spec.flags = (EFX_FILTER_FLAG_RX | - (efx_rss_active(&efx->rss_context) ? - EFX_FILTER_FLAG_RX_RSS : 0)); - new_spec.dmaq_id = 0; - new_spec.rss_context = 0; - rc = efx_ef10_filter_push(efx, &new_spec, - &table->entry[filter_idx].handle, - &efx->rss_context, - true); - - if (rc == 0) - *spec = new_spec; - } else { - /* Really remove the filter */ - - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, - efx_ef10_filter_is_exclusive(spec) ? - MC_CMD_FILTER_OP_IN_OP_REMOVE : - MC_CMD_FILTER_OP_IN_OP_UNSUBSCRIBE); - MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, - table->entry[filter_idx].handle); - rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FILTER_OP, - inbuf, sizeof(inbuf), NULL, 0, NULL); - - if ((rc == 0) || (rc == -ENOENT)) { - /* Filter removed OK or didn't actually exist */ - kfree(spec); - efx_ef10_filter_set_entry(table, filter_idx, NULL, 0); - } else { - efx_mcdi_display_error(efx, MC_CMD_FILTER_OP, - MC_CMD_FILTER_OP_EXT_IN_LEN, - NULL, 0, rc); - } - } - - return rc; -} - -static int efx_ef10_filter_remove_safe(struct efx_nic *efx, - enum efx_filter_priority priority, - u32 filter_id) -{ - struct efx_ef10_filter_table *table; - int rc; - - down_read(&efx->filter_sem); - table = efx->filter_state; - down_write(&table->lock); - rc = efx_ef10_filter_remove_internal(efx, 1U << priority, filter_id, - false); - up_write(&table->lock); - up_read(&efx->filter_sem); - return rc; -} - -/* Caller must hold efx->filter_sem for read */ -static void efx_ef10_filter_remove_unsafe(struct efx_nic *efx, - enum efx_filter_priority priority, - u32 filter_id) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - - if (filter_id == EFX_EF10_FILTER_ID_INVALID) - return; - - down_write(&table->lock); - efx_ef10_filter_remove_internal(efx, 1U << priority, filter_id, - true); - up_write(&table->lock); -} - -static int efx_ef10_filter_get_safe(struct efx_nic *efx, - enum efx_filter_priority priority, - u32 filter_id, struct efx_filter_spec *spec) -{ - unsigned int filter_idx = efx_ef10_filter_get_unsafe_id(filter_id); - const struct efx_filter_spec *saved_spec; - struct efx_ef10_filter_table *table; - int rc; - - down_read(&efx->filter_sem); - table = efx->filter_state; - down_read(&table->lock); - saved_spec = efx_ef10_filter_entry_spec(table, filter_idx); - if (saved_spec && saved_spec->priority == priority && - efx_ef10_filter_pri(table, saved_spec) == - efx_ef10_filter_get_unsafe_pri(filter_id)) { - *spec = *saved_spec; - rc = 0; - } else { - rc = -ENOENT; - } - up_read(&table->lock); - up_read(&efx->filter_sem); - return rc; -} - -static int efx_ef10_filter_clear_rx(struct efx_nic *efx, - enum efx_filter_priority priority) -{ - struct efx_ef10_filter_table *table; - unsigned int priority_mask; - unsigned int i; - int rc; - - priority_mask = (((1U << (priority + 1)) - 1) & - ~(1U << EFX_FILTER_PRI_AUTO)); - - down_read(&efx->filter_sem); - table = efx->filter_state; - down_write(&table->lock); - for (i = 0; i < HUNT_FILTER_TBL_ROWS; i++) { - rc = efx_ef10_filter_remove_internal(efx, priority_mask, - i, true); - if (rc && rc != -ENOENT) - break; - rc = 0; - } - - up_write(&table->lock); - up_read(&efx->filter_sem); - return rc; -} - -static u32 efx_ef10_filter_count_rx_used(struct efx_nic *efx, - enum efx_filter_priority priority) -{ - struct efx_ef10_filter_table *table; - unsigned int filter_idx; - s32 count = 0; - - down_read(&efx->filter_sem); - table = efx->filter_state; - down_read(&table->lock); - for (filter_idx = 0; filter_idx < HUNT_FILTER_TBL_ROWS; filter_idx++) { - if (table->entry[filter_idx].spec && - efx_ef10_filter_entry_spec(table, filter_idx)->priority == - priority) - ++count; - } - up_read(&table->lock); - up_read(&efx->filter_sem); - return count; -} - -static u32 efx_ef10_filter_get_rx_id_limit(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - - return table->rx_match_count * HUNT_FILTER_TBL_ROWS * 2; -} - -static s32 efx_ef10_filter_get_rx_ids(struct efx_nic *efx, - enum efx_filter_priority priority, - u32 *buf, u32 size) -{ - struct efx_ef10_filter_table *table; - struct efx_filter_spec *spec; - unsigned int filter_idx; - s32 count = 0; - - down_read(&efx->filter_sem); - table = efx->filter_state; - down_read(&table->lock); - - for (filter_idx = 0; filter_idx < HUNT_FILTER_TBL_ROWS; filter_idx++) { - spec = efx_ef10_filter_entry_spec(table, filter_idx); - if (spec && spec->priority == priority) { - if (count == size) { - count = -EMSGSIZE; - break; - } - buf[count++] = - efx_ef10_make_filter_id( - efx_ef10_filter_pri(table, spec), - filter_idx); - } - } - up_read(&table->lock); - up_read(&efx->filter_sem); - return count; -} - -#ifdef CONFIG_RFS_ACCEL - -static bool efx_ef10_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id, - unsigned int filter_idx) -{ - struct efx_filter_spec *spec, saved_spec; - struct efx_ef10_filter_table *table; - struct efx_arfs_rule *rule = NULL; - bool ret = true, force = false; - u16 arfs_id; - - down_read(&efx->filter_sem); - table = efx->filter_state; - down_write(&table->lock); - spec = efx_ef10_filter_entry_spec(table, filter_idx); - - if (!spec || spec->priority != EFX_FILTER_PRI_HINT) - goto out_unlock; - - spin_lock_bh(&efx->rps_hash_lock); - if (!efx->rps_hash_table) { - /* In the absence of the table, we always return 0 to ARFS. */ - arfs_id = 0; - } else { - rule = efx_rps_hash_find(efx, spec); - if (!rule) - /* ARFS table doesn't know of this filter, so remove it */ - goto expire; - arfs_id = rule->arfs_id; - ret = efx_rps_check_rule(rule, filter_idx, &force); - if (force) - goto expire; - if (!ret) { - spin_unlock_bh(&efx->rps_hash_lock); - goto out_unlock; - } - } - if (!rps_may_expire_flow(efx->net_dev, spec->dmaq_id, flow_id, arfs_id)) - ret = false; - else if (rule) - rule->filter_id = EFX_ARFS_FILTER_ID_REMOVING; -expire: - saved_spec = *spec; /* remove operation will kfree spec */ - spin_unlock_bh(&efx->rps_hash_lock); - /* At this point (since we dropped the lock), another thread might queue - * up a fresh insertion request (but the actual insertion will be held - * up by our possession of the filter table lock). In that case, it - * will set rule->filter_id to EFX_ARFS_FILTER_ID_PENDING, meaning that - * the rule is not removed by efx_rps_hash_del() below. - */ - if (ret) - ret = efx_ef10_filter_remove_internal(efx, 1U << spec->priority, - filter_idx, true) == 0; - /* While we can't safely dereference rule (we dropped the lock), we can - * still test it for NULL. - */ - if (ret && rule) { - /* Expiring, so remove entry from ARFS table */ - spin_lock_bh(&efx->rps_hash_lock); - efx_rps_hash_del(efx, &saved_spec); - spin_unlock_bh(&efx->rps_hash_lock); - } -out_unlock: - up_write(&table->lock); - up_read(&efx->filter_sem); - return ret; -} - -#endif /* CONFIG_RFS_ACCEL */ - -static int efx_ef10_filter_match_flags_from_mcdi(bool encap, u32 mcdi_flags) -{ - int match_flags = 0; - -#define MAP_FLAG(gen_flag, mcdi_field) do { \ - u32 old_mcdi_flags = mcdi_flags; \ - mcdi_flags &= ~(1 << MC_CMD_FILTER_OP_EXT_IN_MATCH_ ## \ - mcdi_field ## _LBN); \ - if (mcdi_flags != old_mcdi_flags) \ - match_flags |= EFX_FILTER_MATCH_ ## gen_flag; \ - } while (0) - - if (encap) { - /* encap filters must specify encap type */ - match_flags |= EFX_FILTER_MATCH_ENCAP_TYPE; - /* and imply ethertype and ip proto */ - mcdi_flags &= - ~(1 << MC_CMD_FILTER_OP_EXT_IN_MATCH_IP_PROTO_LBN); - mcdi_flags &= - ~(1 << MC_CMD_FILTER_OP_EXT_IN_MATCH_ETHER_TYPE_LBN); - /* VLAN tags refer to the outer packet */ - MAP_FLAG(INNER_VID, INNER_VLAN); - MAP_FLAG(OUTER_VID, OUTER_VLAN); - /* everything else refers to the inner packet */ - MAP_FLAG(LOC_MAC_IG, IFRM_UNKNOWN_UCAST_DST); - MAP_FLAG(LOC_MAC_IG, IFRM_UNKNOWN_MCAST_DST); - MAP_FLAG(REM_HOST, IFRM_SRC_IP); - MAP_FLAG(LOC_HOST, IFRM_DST_IP); - MAP_FLAG(REM_MAC, IFRM_SRC_MAC); - MAP_FLAG(REM_PORT, IFRM_SRC_PORT); - MAP_FLAG(LOC_MAC, IFRM_DST_MAC); - MAP_FLAG(LOC_PORT, IFRM_DST_PORT); - MAP_FLAG(ETHER_TYPE, IFRM_ETHER_TYPE); - MAP_FLAG(IP_PROTO, IFRM_IP_PROTO); - } else { - MAP_FLAG(LOC_MAC_IG, UNKNOWN_UCAST_DST); - MAP_FLAG(LOC_MAC_IG, UNKNOWN_MCAST_DST); - MAP_FLAG(REM_HOST, SRC_IP); - MAP_FLAG(LOC_HOST, DST_IP); - MAP_FLAG(REM_MAC, SRC_MAC); - MAP_FLAG(REM_PORT, SRC_PORT); - MAP_FLAG(LOC_MAC, DST_MAC); - MAP_FLAG(LOC_PORT, DST_PORT); - MAP_FLAG(ETHER_TYPE, ETHER_TYPE); - MAP_FLAG(INNER_VID, INNER_VLAN); - MAP_FLAG(OUTER_VID, OUTER_VLAN); - MAP_FLAG(IP_PROTO, IP_PROTO); - } -#undef MAP_FLAG - - /* Did we map them all? */ - if (mcdi_flags) - return -EINVAL; - - return match_flags; -} - -static void efx_ef10_filter_cleanup_vlans(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct efx_ef10_filter_vlan *vlan, *next_vlan; - - /* See comment in efx_ef10_filter_table_remove() */ - if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) - return; - - if (!table) - return; - - list_for_each_entry_safe(vlan, next_vlan, &table->vlan_list, list) - efx_ef10_filter_del_vlan_internal(efx, vlan); -} - -static bool efx_ef10_filter_match_supported(struct efx_ef10_filter_table *table, - bool encap, - enum efx_filter_match_flags match_flags) -{ - unsigned int match_pri; - int mf; - - for (match_pri = 0; - match_pri < table->rx_match_count; - match_pri++) { - mf = efx_ef10_filter_match_flags_from_mcdi(encap, - table->rx_match_mcdi_flags[match_pri]); - if (mf == match_flags) - return true; - } - - return false; -} - -static int -efx_ef10_filter_table_probe_matches(struct efx_nic *efx, - struct efx_ef10_filter_table *table, - bool encap) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_PARSER_DISP_INFO_IN_LEN); - MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PARSER_DISP_INFO_OUT_LENMAX); - unsigned int pd_match_pri, pd_match_count; - size_t outlen; - int rc; - - /* Find out which RX filter types are supported, and their priorities */ - MCDI_SET_DWORD(inbuf, GET_PARSER_DISP_INFO_IN_OP, - encap ? - MC_CMD_GET_PARSER_DISP_INFO_IN_OP_GET_SUPPORTED_ENCAP_RX_MATCHES : - MC_CMD_GET_PARSER_DISP_INFO_IN_OP_GET_SUPPORTED_RX_MATCHES); - rc = efx_mcdi_rpc(efx, MC_CMD_GET_PARSER_DISP_INFO, - inbuf, sizeof(inbuf), outbuf, sizeof(outbuf), - &outlen); - if (rc) - return rc; - - pd_match_count = MCDI_VAR_ARRAY_LEN( - outlen, GET_PARSER_DISP_INFO_OUT_SUPPORTED_MATCHES); - - for (pd_match_pri = 0; pd_match_pri < pd_match_count; pd_match_pri++) { - u32 mcdi_flags = - MCDI_ARRAY_DWORD( - outbuf, - GET_PARSER_DISP_INFO_OUT_SUPPORTED_MATCHES, - pd_match_pri); - rc = efx_ef10_filter_match_flags_from_mcdi(encap, mcdi_flags); - if (rc < 0) { - netif_dbg(efx, probe, efx->net_dev, - "%s: fw flags %#x pri %u not supported in driver\n", - __func__, mcdi_flags, pd_match_pri); - } else { - netif_dbg(efx, probe, efx->net_dev, - "%s: fw flags %#x pri %u supported as driver flags %#x pri %u\n", - __func__, mcdi_flags, pd_match_pri, - rc, table->rx_match_count); - table->rx_match_mcdi_flags[table->rx_match_count] = mcdi_flags; - table->rx_match_count++; - } - } - - return 0; -} - -static int efx_ef10_filter_table_probe(struct efx_nic *efx) -{ - struct efx_ef10_nic_data *nic_data = efx->nic_data; - struct net_device *net_dev = efx->net_dev; - struct efx_ef10_filter_table *table; - struct efx_ef10_vlan *vlan; - int rc; - - if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) - return -EINVAL; - - if (efx->filter_state) /* already probed */ - return 0; - - table = kzalloc(sizeof(*table), GFP_KERNEL); - if (!table) - return -ENOMEM; - - table->rx_match_count = 0; - rc = efx_ef10_filter_table_probe_matches(efx, table, false); - if (rc) - goto fail; - if (nic_data->datapath_caps & - (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN)) - rc = efx_ef10_filter_table_probe_matches(efx, table, true); - if (rc) - goto fail; - if ((efx_supported_features(efx) & NETIF_F_HW_VLAN_CTAG_FILTER) && - !(efx_ef10_filter_match_supported(table, false, - (EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_MAC)) && - efx_ef10_filter_match_supported(table, false, - (EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_MAC_IG)))) { - netif_info(efx, probe, net_dev, - "VLAN filters are not supported in this firmware variant\n"); - net_dev->features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; - efx->fixed_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; - net_dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; - } - - table->entry = vzalloc(array_size(HUNT_FILTER_TBL_ROWS, - sizeof(*table->entry))); - if (!table->entry) { - rc = -ENOMEM; - goto fail; - } - - table->mc_promisc_last = false; - table->vlan_filter = - !!(efx->net_dev->features & NETIF_F_HW_VLAN_CTAG_FILTER); - INIT_LIST_HEAD(&table->vlan_list); - init_rwsem(&table->lock); - - efx->filter_state = table; - - list_for_each_entry(vlan, &nic_data->vlan_list, list) { - rc = efx_ef10_filter_add_vlan(efx, vlan->vid); - if (rc) - goto fail_add_vlan; - } - - return 0; - -fail_add_vlan: - efx_ef10_filter_cleanup_vlans(efx); - efx->filter_state = NULL; -fail: - kfree(table); - return rc; -} - -/* Caller must hold efx->filter_sem for read if race against - * efx_ef10_filter_table_remove() is possible - */ -static void efx_ef10_filter_table_restore(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct efx_ef10_nic_data *nic_data = efx->nic_data; - unsigned int invalid_filters = 0, failed = 0; - struct efx_ef10_filter_vlan *vlan; - struct efx_filter_spec *spec; - struct efx_rss_context *ctx; - unsigned int filter_idx; - u32 mcdi_flags; - int match_pri; - int rc, i; - - WARN_ON(!rwsem_is_locked(&efx->filter_sem)); - - if (!nic_data->must_restore_filters) - return; - - if (!table) - return; - - down_write(&table->lock); - mutex_lock(&efx->rss_lock); - - for (filter_idx = 0; filter_idx < HUNT_FILTER_TBL_ROWS; filter_idx++) { - spec = efx_ef10_filter_entry_spec(table, filter_idx); - if (!spec) - continue; - - mcdi_flags = efx_ef10_filter_mcdi_flags_from_spec(spec); - match_pri = 0; - while (match_pri < table->rx_match_count && - table->rx_match_mcdi_flags[match_pri] != mcdi_flags) - ++match_pri; - if (match_pri >= table->rx_match_count) { - invalid_filters++; - goto not_restored; - } - if (spec->rss_context) - ctx = efx_find_rss_context_entry(efx, spec->rss_context); - else - ctx = &efx->rss_context; - if (spec->flags & EFX_FILTER_FLAG_RX_RSS) { - if (!ctx) { - netif_warn(efx, drv, efx->net_dev, - "Warning: unable to restore a filter with nonexistent RSS context %u.\n", - spec->rss_context); - invalid_filters++; - goto not_restored; - } - if (ctx->context_id == EFX_EF10_RSS_CONTEXT_INVALID) { - netif_warn(efx, drv, efx->net_dev, - "Warning: unable to restore a filter with RSS context %u as it was not created.\n", - spec->rss_context); - invalid_filters++; - goto not_restored; - } - } - - rc = efx_ef10_filter_push(efx, spec, - &table->entry[filter_idx].handle, - ctx, false); - if (rc) - failed++; - - if (rc) { -not_restored: - list_for_each_entry(vlan, &table->vlan_list, list) - for (i = 0; i < EFX_EF10_NUM_DEFAULT_FILTERS; ++i) - if (vlan->default_filters[i] == filter_idx) - vlan->default_filters[i] = - EFX_EF10_FILTER_ID_INVALID; - - kfree(spec); - efx_ef10_filter_set_entry(table, filter_idx, NULL, 0); - } - } - - mutex_unlock(&efx->rss_lock); - up_write(&table->lock); - - /* This can happen validly if the MC's capabilities have changed, so - * is not an error. - */ - if (invalid_filters) - netif_dbg(efx, drv, efx->net_dev, - "Did not restore %u filters that are now unsupported.\n", - invalid_filters); - - if (failed) - netif_err(efx, hw, efx->net_dev, - "unable to restore %u filters\n", failed); - else - nic_data->must_restore_filters = false; -} - -static void efx_ef10_filter_table_remove(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); - struct efx_filter_spec *spec; - unsigned int filter_idx; - int rc; - - efx_ef10_filter_cleanup_vlans(efx); - efx->filter_state = NULL; - /* If we were called without locking, then it's not safe to free - * the table as others might be using it. So we just WARN, leak - * the memory, and potentially get an inconsistent filter table - * state. - * This should never actually happen. - */ - if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) - return; - - if (!table) - return; - - for (filter_idx = 0; filter_idx < HUNT_FILTER_TBL_ROWS; filter_idx++) { - spec = efx_ef10_filter_entry_spec(table, filter_idx); - if (!spec) - continue; - - MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, - efx_ef10_filter_is_exclusive(spec) ? - MC_CMD_FILTER_OP_IN_OP_REMOVE : - MC_CMD_FILTER_OP_IN_OP_UNSUBSCRIBE); - MCDI_SET_QWORD(inbuf, FILTER_OP_IN_HANDLE, - table->entry[filter_idx].handle); - rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FILTER_OP, inbuf, - sizeof(inbuf), NULL, 0, NULL); - if (rc) - netif_info(efx, drv, efx->net_dev, - "%s: filter %04x remove failed\n", - __func__, filter_idx); - kfree(spec); - } - - vfree(table->entry); - kfree(table); -} - -static void efx_ef10_filter_mark_one_old(struct efx_nic *efx, uint16_t *id) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - unsigned int filter_idx; - - efx_rwsem_assert_write_locked(&table->lock); - - if (*id != EFX_EF10_FILTER_ID_INVALID) { - filter_idx = efx_ef10_filter_get_unsafe_id(*id); - if (!table->entry[filter_idx].spec) - netif_dbg(efx, drv, efx->net_dev, - "marked null spec old %04x:%04x\n", *id, - filter_idx); - table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_AUTO_OLD; - *id = EFX_EF10_FILTER_ID_INVALID; - } -} - -/* Mark old per-VLAN filters that may need to be removed */ -static void _efx_ef10_filter_vlan_mark_old(struct efx_nic *efx, - struct efx_ef10_filter_vlan *vlan) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - unsigned int i; - - for (i = 0; i < table->dev_uc_count; i++) - efx_ef10_filter_mark_one_old(efx, &vlan->uc[i]); - for (i = 0; i < table->dev_mc_count; i++) - efx_ef10_filter_mark_one_old(efx, &vlan->mc[i]); - for (i = 0; i < EFX_EF10_NUM_DEFAULT_FILTERS; i++) - efx_ef10_filter_mark_one_old(efx, &vlan->default_filters[i]); -} - -/* Mark old filters that may need to be removed. - * Caller must hold efx->filter_sem for read if race against - * efx_ef10_filter_table_remove() is possible - */ -static void efx_ef10_filter_mark_old(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct efx_ef10_filter_vlan *vlan; - - down_write(&table->lock); - list_for_each_entry(vlan, &table->vlan_list, list) - _efx_ef10_filter_vlan_mark_old(efx, vlan); - up_write(&table->lock); -} - -static void efx_ef10_filter_uc_addr_list(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct net_device *net_dev = efx->net_dev; - struct netdev_hw_addr *uc; - unsigned int i; - - table->uc_promisc = !!(net_dev->flags & IFF_PROMISC); - ether_addr_copy(table->dev_uc_list[0].addr, net_dev->dev_addr); - i = 1; - netdev_for_each_uc_addr(uc, net_dev) { - if (i >= EFX_EF10_FILTER_DEV_UC_MAX) { - table->uc_promisc = true; - break; - } - ether_addr_copy(table->dev_uc_list[i].addr, uc->addr); - i++; - } - - table->dev_uc_count = i; -} - -static void efx_ef10_filter_mc_addr_list(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct net_device *net_dev = efx->net_dev; - struct netdev_hw_addr *mc; - unsigned int i; - - table->mc_overflow = false; - table->mc_promisc = !!(net_dev->flags & (IFF_PROMISC | IFF_ALLMULTI)); - - i = 0; - netdev_for_each_mc_addr(mc, net_dev) { - if (i >= EFX_EF10_FILTER_DEV_MC_MAX) { - table->mc_promisc = true; - table->mc_overflow = true; - break; - } - ether_addr_copy(table->dev_mc_list[i].addr, mc->addr); - i++; - } - - table->dev_mc_count = i; -} - -static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, - struct efx_ef10_filter_vlan *vlan, - bool multicast, bool rollback) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct efx_ef10_dev_addr *addr_list; - enum efx_filter_flags filter_flags; - struct efx_filter_spec spec; - u8 baddr[ETH_ALEN]; - unsigned int i, j; - int addr_count; - u16 *ids; - int rc; - - if (multicast) { - addr_list = table->dev_mc_list; - addr_count = table->dev_mc_count; - ids = vlan->mc; - } else { - addr_list = table->dev_uc_list; - addr_count = table->dev_uc_count; - ids = vlan->uc; - } - - filter_flags = efx_rss_active(&efx->rss_context) ? EFX_FILTER_FLAG_RX_RSS : 0; - - /* Insert/renew filters */ - for (i = 0; i < addr_count; i++) { - EFX_WARN_ON_PARANOID(ids[i] != EFX_EF10_FILTER_ID_INVALID); - efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); - efx_filter_set_eth_local(&spec, vlan->vid, addr_list[i].addr); - rc = efx_ef10_filter_insert_locked(efx, &spec, true); - if (rc < 0) { - if (rollback) { - netif_info(efx, drv, efx->net_dev, - "efx_ef10_filter_insert failed rc=%d\n", - rc); - /* Fall back to promiscuous */ - for (j = 0; j < i; j++) { - efx_ef10_filter_remove_unsafe( - efx, EFX_FILTER_PRI_AUTO, - ids[j]); - ids[j] = EFX_EF10_FILTER_ID_INVALID; - } - return rc; - } else { - /* keep invalid ID, and carry on */ - } - } else { - ids[i] = efx_ef10_filter_get_unsafe_id(rc); - } - } - - if (multicast && rollback) { - /* Also need an Ethernet broadcast filter */ - EFX_WARN_ON_PARANOID(vlan->default_filters[EFX_EF10_BCAST] != - EFX_EF10_FILTER_ID_INVALID); - efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); - eth_broadcast_addr(baddr); - efx_filter_set_eth_local(&spec, vlan->vid, baddr); - rc = efx_ef10_filter_insert_locked(efx, &spec, true); - if (rc < 0) { - netif_warn(efx, drv, efx->net_dev, - "Broadcast filter insert failed rc=%d\n", rc); - /* Fall back to promiscuous */ - for (j = 0; j < i; j++) { - efx_ef10_filter_remove_unsafe( - efx, EFX_FILTER_PRI_AUTO, - ids[j]); - ids[j] = EFX_EF10_FILTER_ID_INVALID; - } - return rc; - } else { - vlan->default_filters[EFX_EF10_BCAST] = - efx_ef10_filter_get_unsafe_id(rc); - } - } - - return 0; -} - -static int efx_ef10_filter_insert_def(struct efx_nic *efx, - struct efx_ef10_filter_vlan *vlan, - enum efx_encap_type encap_type, - bool multicast, bool rollback) -{ - struct efx_ef10_nic_data *nic_data = efx->nic_data; - enum efx_filter_flags filter_flags; - struct efx_filter_spec spec; - u8 baddr[ETH_ALEN]; - int rc; - u16 *id; - - filter_flags = efx_rss_active(&efx->rss_context) ? EFX_FILTER_FLAG_RX_RSS : 0; - - efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); - - if (multicast) - efx_filter_set_mc_def(&spec); - else - efx_filter_set_uc_def(&spec); - - if (encap_type) { - if (nic_data->datapath_caps & - (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN)) - efx_filter_set_encap_type(&spec, encap_type); - else - /* don't insert encap filters on non-supporting - * platforms. ID will be left as INVALID. - */ - return 0; - } - - if (vlan->vid != EFX_FILTER_VID_UNSPEC) - efx_filter_set_eth_local(&spec, vlan->vid, NULL); - - rc = efx_ef10_filter_insert_locked(efx, &spec, true); - if (rc < 0) { - const char *um = multicast ? "Multicast" : "Unicast"; - const char *encap_name = ""; - const char *encap_ipv = ""; - - if ((encap_type & EFX_ENCAP_TYPES_MASK) == - EFX_ENCAP_TYPE_VXLAN) - encap_name = "VXLAN "; - else if ((encap_type & EFX_ENCAP_TYPES_MASK) == - EFX_ENCAP_TYPE_NVGRE) - encap_name = "NVGRE "; - else if ((encap_type & EFX_ENCAP_TYPES_MASK) == - EFX_ENCAP_TYPE_GENEVE) - encap_name = "GENEVE "; - if (encap_type & EFX_ENCAP_FLAG_IPV6) - encap_ipv = "IPv6 "; - else if (encap_type) - encap_ipv = "IPv4 "; - - /* unprivileged functions can't insert mismatch filters - * for encapsulated or unicast traffic, so downgrade - * those warnings to debug. - */ - netif_cond_dbg(efx, drv, efx->net_dev, - rc == -EPERM && (encap_type || !multicast), warn, - "%s%s%s mismatch filter insert failed rc=%d\n", - encap_name, encap_ipv, um, rc); - } else if (multicast) { - /* mapping from encap types to default filter IDs (multicast) */ - static enum efx_ef10_default_filters map[] = { - [EFX_ENCAP_TYPE_NONE] = EFX_EF10_MCDEF, - [EFX_ENCAP_TYPE_VXLAN] = EFX_EF10_VXLAN4_MCDEF, - [EFX_ENCAP_TYPE_NVGRE] = EFX_EF10_NVGRE4_MCDEF, - [EFX_ENCAP_TYPE_GENEVE] = EFX_EF10_GENEVE4_MCDEF, - [EFX_ENCAP_TYPE_VXLAN | EFX_ENCAP_FLAG_IPV6] = - EFX_EF10_VXLAN6_MCDEF, - [EFX_ENCAP_TYPE_NVGRE | EFX_ENCAP_FLAG_IPV6] = - EFX_EF10_NVGRE6_MCDEF, - [EFX_ENCAP_TYPE_GENEVE | EFX_ENCAP_FLAG_IPV6] = - EFX_EF10_GENEVE6_MCDEF, - }; - - /* quick bounds check (BCAST result impossible) */ - BUILD_BUG_ON(EFX_EF10_BCAST != 0); - if (encap_type >= ARRAY_SIZE(map) || map[encap_type] == 0) { - WARN_ON(1); - return -EINVAL; - } - /* then follow map */ - id = &vlan->default_filters[map[encap_type]]; - - EFX_WARN_ON_PARANOID(*id != EFX_EF10_FILTER_ID_INVALID); - *id = efx_ef10_filter_get_unsafe_id(rc); - if (!nic_data->workaround_26807 && !encap_type) { - /* Also need an Ethernet broadcast filter */ - efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, - filter_flags, 0); - eth_broadcast_addr(baddr); - efx_filter_set_eth_local(&spec, vlan->vid, baddr); - rc = efx_ef10_filter_insert_locked(efx, &spec, true); - if (rc < 0) { - netif_warn(efx, drv, efx->net_dev, - "Broadcast filter insert failed rc=%d\n", - rc); - if (rollback) { - /* Roll back the mc_def filter */ - efx_ef10_filter_remove_unsafe( - efx, EFX_FILTER_PRI_AUTO, - *id); - *id = EFX_EF10_FILTER_ID_INVALID; - return rc; - } - } else { - EFX_WARN_ON_PARANOID( - vlan->default_filters[EFX_EF10_BCAST] != - EFX_EF10_FILTER_ID_INVALID); - vlan->default_filters[EFX_EF10_BCAST] = - efx_ef10_filter_get_unsafe_id(rc); - } - } - rc = 0; - } else { - /* mapping from encap types to default filter IDs (unicast) */ - static enum efx_ef10_default_filters map[] = { - [EFX_ENCAP_TYPE_NONE] = EFX_EF10_UCDEF, - [EFX_ENCAP_TYPE_VXLAN] = EFX_EF10_VXLAN4_UCDEF, - [EFX_ENCAP_TYPE_NVGRE] = EFX_EF10_NVGRE4_UCDEF, - [EFX_ENCAP_TYPE_GENEVE] = EFX_EF10_GENEVE4_UCDEF, - [EFX_ENCAP_TYPE_VXLAN | EFX_ENCAP_FLAG_IPV6] = - EFX_EF10_VXLAN6_UCDEF, - [EFX_ENCAP_TYPE_NVGRE | EFX_ENCAP_FLAG_IPV6] = - EFX_EF10_NVGRE6_UCDEF, - [EFX_ENCAP_TYPE_GENEVE | EFX_ENCAP_FLAG_IPV6] = - EFX_EF10_GENEVE6_UCDEF, - }; - - /* quick bounds check (BCAST result impossible) */ - BUILD_BUG_ON(EFX_EF10_BCAST != 0); - if (encap_type >= ARRAY_SIZE(map) || map[encap_type] == 0) { - WARN_ON(1); - return -EINVAL; - } - /* then follow map */ - id = &vlan->default_filters[map[encap_type]]; - EFX_WARN_ON_PARANOID(*id != EFX_EF10_FILTER_ID_INVALID); - *id = rc; - rc = 0; - } - return rc; -} - -/* Remove filters that weren't renewed. */ -static void efx_ef10_filter_remove_old(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - int remove_failed = 0; - int remove_noent = 0; - int rc; - int i; - - down_write(&table->lock); - for (i = 0; i < HUNT_FILTER_TBL_ROWS; i++) { - if (READ_ONCE(table->entry[i].spec) & - EFX_EF10_FILTER_FLAG_AUTO_OLD) { - rc = efx_ef10_filter_remove_internal(efx, - 1U << EFX_FILTER_PRI_AUTO, i, true); - if (rc == -ENOENT) - remove_noent++; - else if (rc) - remove_failed++; - } - } - up_write(&table->lock); - - if (remove_failed) - netif_info(efx, drv, efx->net_dev, - "%s: failed to remove %d filters\n", - __func__, remove_failed); - if (remove_noent) - netif_info(efx, drv, efx->net_dev, - "%s: failed to remove %d non-existent filters\n", - __func__, remove_noent); -} - static int efx_ef10_vport_set_mac_address(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; @@ -5545,7 +3153,7 @@ static int efx_ef10_vport_set_mac_address(struct efx_nic *efx) efx_device_detach_sync(efx); efx_net_stop(efx->net_dev); down_write(&efx->filter_sem); - efx_ef10_filter_table_remove(efx); + efx_mcdi_filter_table_remove(efx); up_write(&efx->filter_sem); rc = efx_ef10_vadaptor_free(efx, nic_data->vport_id); @@ -5577,7 +3185,7 @@ restore_vadaptor: goto reset_nic; restore_filters: down_write(&efx->filter_sem); - rc2 = efx_ef10_filter_table_probe(efx); + rc2 = efx_mcdi_filter_table_probe(efx); up_write(&efx->filter_sem); if (rc2) goto reset_nic; @@ -5598,256 +3206,6 @@ reset_nic: return rc ? rc : rc2; } -/* Caller must hold efx->filter_sem for read if race against - * efx_ef10_filter_table_remove() is possible - */ -static void efx_ef10_filter_vlan_sync_rx_mode(struct efx_nic *efx, - struct efx_ef10_filter_vlan *vlan) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct efx_ef10_nic_data *nic_data = efx->nic_data; - - /* Do not install unspecified VID if VLAN filtering is enabled. - * Do not install all specified VIDs if VLAN filtering is disabled. - */ - if ((vlan->vid == EFX_FILTER_VID_UNSPEC) == table->vlan_filter) - return; - - /* Insert/renew unicast filters */ - if (table->uc_promisc) { - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_NONE, - false, false); - efx_ef10_filter_insert_addr_list(efx, vlan, false, false); - } else { - /* If any of the filters failed to insert, fall back to - * promiscuous mode - add in the uc_def filter. But keep - * our individual unicast filters. - */ - if (efx_ef10_filter_insert_addr_list(efx, vlan, false, false)) - efx_ef10_filter_insert_def(efx, vlan, - EFX_ENCAP_TYPE_NONE, - false, false); - } - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_VXLAN, - false, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_VXLAN | - EFX_ENCAP_FLAG_IPV6, - false, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_NVGRE, - false, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_NVGRE | - EFX_ENCAP_FLAG_IPV6, - false, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_GENEVE, - false, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_GENEVE | - EFX_ENCAP_FLAG_IPV6, - false, false); - - /* Insert/renew multicast filters */ - /* If changing promiscuous state with cascaded multicast filters, remove - * old filters first, so that packets are dropped rather than duplicated - */ - if (nic_data->workaround_26807 && - table->mc_promisc_last != table->mc_promisc) - efx_ef10_filter_remove_old(efx); - if (table->mc_promisc) { - if (nic_data->workaround_26807) { - /* If we failed to insert promiscuous filters, rollback - * and fall back to individual multicast filters - */ - if (efx_ef10_filter_insert_def(efx, vlan, - EFX_ENCAP_TYPE_NONE, - true, true)) { - /* Changing promisc state, so remove old filters */ - efx_ef10_filter_remove_old(efx); - efx_ef10_filter_insert_addr_list(efx, vlan, - true, false); - } - } else { - /* If we failed to insert promiscuous filters, don't - * rollback. Regardless, also insert the mc_list, - * unless it's incomplete due to overflow - */ - efx_ef10_filter_insert_def(efx, vlan, - EFX_ENCAP_TYPE_NONE, - true, false); - if (!table->mc_overflow) - efx_ef10_filter_insert_addr_list(efx, vlan, - true, false); - } - } else { - /* If any filters failed to insert, rollback and fall back to - * promiscuous mode - mc_def filter and maybe broadcast. If - * that fails, roll back again and insert as many of our - * individual multicast filters as we can. - */ - if (efx_ef10_filter_insert_addr_list(efx, vlan, true, true)) { - /* Changing promisc state, so remove old filters */ - if (nic_data->workaround_26807) - efx_ef10_filter_remove_old(efx); - if (efx_ef10_filter_insert_def(efx, vlan, - EFX_ENCAP_TYPE_NONE, - true, true)) - efx_ef10_filter_insert_addr_list(efx, vlan, - true, false); - } - } - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_VXLAN, - true, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_VXLAN | - EFX_ENCAP_FLAG_IPV6, - true, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_NVGRE, - true, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_NVGRE | - EFX_ENCAP_FLAG_IPV6, - true, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_GENEVE, - true, false); - efx_ef10_filter_insert_def(efx, vlan, EFX_ENCAP_TYPE_GENEVE | - EFX_ENCAP_FLAG_IPV6, - true, false); -} - -/* Caller must hold efx->filter_sem for read if race against - * efx_ef10_filter_table_remove() is possible - */ -static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct net_device *net_dev = efx->net_dev; - struct efx_ef10_filter_vlan *vlan; - bool vlan_filter; - - if (!efx_dev_registered(efx)) - return; - - if (!table) - return; - - efx_ef10_filter_mark_old(efx); - - /* Copy/convert the address lists; add the primary station - * address and broadcast address - */ - netif_addr_lock_bh(net_dev); - efx_ef10_filter_uc_addr_list(efx); - efx_ef10_filter_mc_addr_list(efx); - netif_addr_unlock_bh(net_dev); - - /* If VLAN filtering changes, all old filters are finally removed. - * Do it in advance to avoid conflicts for unicast untagged and - * VLAN 0 tagged filters. - */ - vlan_filter = !!(net_dev->features & NETIF_F_HW_VLAN_CTAG_FILTER); - if (table->vlan_filter != vlan_filter) { - table->vlan_filter = vlan_filter; - efx_ef10_filter_remove_old(efx); - } - - list_for_each_entry(vlan, &table->vlan_list, list) - efx_ef10_filter_vlan_sync_rx_mode(efx, vlan); - - efx_ef10_filter_remove_old(efx); - table->mc_promisc_last = table->mc_promisc; -} - -static struct efx_ef10_filter_vlan *efx_ef10_filter_find_vlan(struct efx_nic *efx, u16 vid) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct efx_ef10_filter_vlan *vlan; - - WARN_ON(!rwsem_is_locked(&efx->filter_sem)); - - list_for_each_entry(vlan, &table->vlan_list, list) { - if (vlan->vid == vid) - return vlan; - } - - return NULL; -} - -static int efx_ef10_filter_add_vlan(struct efx_nic *efx, u16 vid) -{ - struct efx_ef10_filter_table *table = efx->filter_state; - struct efx_ef10_filter_vlan *vlan; - unsigned int i; - - if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) - return -EINVAL; - - vlan = efx_ef10_filter_find_vlan(efx, vid); - if (WARN_ON(vlan)) { - netif_err(efx, drv, efx->net_dev, - "VLAN %u already added\n", vid); - return -EALREADY; - } - - vlan = kzalloc(sizeof(*vlan), GFP_KERNEL); - if (!vlan) - return -ENOMEM; - - vlan->vid = vid; - - for (i = 0; i < ARRAY_SIZE(vlan->uc); i++) - vlan->uc[i] = EFX_EF10_FILTER_ID_INVALID; - for (i = 0; i < ARRAY_SIZE(vlan->mc); i++) - vlan->mc[i] = EFX_EF10_FILTER_ID_INVALID; - for (i = 0; i < EFX_EF10_NUM_DEFAULT_FILTERS; i++) - vlan->default_filters[i] = EFX_EF10_FILTER_ID_INVALID; - - list_add_tail(&vlan->list, &table->vlan_list); - - if (efx_dev_registered(efx)) - efx_ef10_filter_vlan_sync_rx_mode(efx, vlan); - - return 0; -} - -static void efx_ef10_filter_del_vlan_internal(struct efx_nic *efx, - struct efx_ef10_filter_vlan *vlan) -{ - unsigned int i; - - /* See comment in efx_ef10_filter_table_remove() */ - if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) - return; - - list_del(&vlan->list); - - for (i = 0; i < ARRAY_SIZE(vlan->uc); i++) - efx_ef10_filter_remove_unsafe(efx, EFX_FILTER_PRI_AUTO, - vlan->uc[i]); - for (i = 0; i < ARRAY_SIZE(vlan->mc); i++) - efx_ef10_filter_remove_unsafe(efx, EFX_FILTER_PRI_AUTO, - vlan->mc[i]); - for (i = 0; i < EFX_EF10_NUM_DEFAULT_FILTERS; i++) - if (vlan->default_filters[i] != EFX_EF10_FILTER_ID_INVALID) - efx_ef10_filter_remove_unsafe(efx, EFX_FILTER_PRI_AUTO, - vlan->default_filters[i]); - - kfree(vlan); -} - -static void efx_ef10_filter_del_vlan(struct efx_nic *efx, u16 vid) -{ - struct efx_ef10_filter_vlan *vlan; - - /* See comment in efx_ef10_filter_table_remove() */ - if (!efx_rwsem_assert_write_locked(&efx->filter_sem)) - return; - - vlan = efx_ef10_filter_find_vlan(efx, vid); - if (!vlan) { - netif_err(efx, drv, efx->net_dev, - "VLAN %u not found in filter state\n", vid); - return; - } - - efx_ef10_filter_del_vlan_internal(efx, vlan); -} - static int efx_ef10_set_mac_address(struct efx_nic *efx) { MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_SET_MAC_IN_LEN); @@ -5860,7 +3218,7 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) mutex_lock(&efx->mac_lock); down_write(&efx->filter_sem); - efx_ef10_filter_table_remove(efx); + efx_mcdi_filter_table_remove(efx); ether_addr_copy(MCDI_PTR(inbuf, VADAPTOR_SET_MAC_IN_MACADDR), efx->net_dev->dev_addr); @@ -5869,7 +3227,7 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) rc = efx_mcdi_rpc_quiet(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf, sizeof(inbuf), NULL, 0, NULL); - efx_ef10_filter_table_probe(efx); + efx_mcdi_filter_table_probe(efx); up_write(&efx->filter_sem); mutex_unlock(&efx->mac_lock); @@ -5931,14 +3289,14 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) static int efx_ef10_mac_reconfigure(struct efx_nic *efx) { - efx_ef10_filter_sync_rx_mode(efx); + efx_mcdi_filter_sync_rx_mode(efx); return efx_mcdi_set_mac(efx); } static int efx_ef10_mac_reconfigure_vf(struct efx_nic *efx) { - efx_ef10_filter_sync_rx_mode(efx); + efx_mcdi_filter_sync_rx_mode(efx); return 0; } @@ -6650,36 +4008,36 @@ 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_push_rss_config = efx_mcdi_vf_rx_push_rss_config, + .rx_pull_rss_config = efx_mcdi_rx_pull_rss_config, + .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, - .filter_table_probe = efx_ef10_filter_table_probe, - .filter_table_restore = efx_ef10_filter_table_restore, - .filter_table_remove = efx_ef10_filter_table_remove, - .filter_update_rx_scatter = efx_ef10_filter_update_rx_scatter, - .filter_insert = efx_ef10_filter_insert, - .filter_remove_safe = efx_ef10_filter_remove_safe, - .filter_get_safe = efx_ef10_filter_get_safe, - .filter_clear_rx = efx_ef10_filter_clear_rx, - .filter_count_rx_used = efx_ef10_filter_count_rx_used, - .filter_get_rx_id_limit = efx_ef10_filter_get_rx_id_limit, - .filter_get_rx_ids = efx_ef10_filter_get_rx_ids, + .filter_table_probe = efx_mcdi_filter_table_probe, + .filter_table_restore = efx_mcdi_filter_table_restore, + .filter_table_remove = efx_mcdi_filter_table_remove, + .filter_update_rx_scatter = efx_mcdi_update_rx_scatter, + .filter_insert = efx_mcdi_filter_insert, + .filter_remove_safe = efx_mcdi_filter_remove_safe, + .filter_get_safe = efx_mcdi_filter_get_safe, + .filter_clear_rx = efx_mcdi_filter_clear_rx, + .filter_count_rx_used = efx_mcdi_filter_count_rx_used, + .filter_get_rx_id_limit = efx_mcdi_filter_get_rx_id_limit, + .filter_get_rx_ids = efx_mcdi_filter_get_rx_ids, #ifdef CONFIG_RFS_ACCEL - .filter_rfs_expire_one = efx_ef10_filter_rfs_expire_one, + .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one, #endif #ifdef CONFIG_SFC_MTD .mtd_probe = efx_port_dummy_op_int, @@ -6709,7 +4067,7 @@ const struct efx_nic_type efx_hunt_a0_vf_nic_type = { .timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH, .offload_features = EF10_OFFLOAD_FEATURES, .mcdi_max_ver = 2, - .max_rx_ip_filters = HUNT_FILTER_TBL_ROWS, + .max_rx_ip_filters = EFX_MCDI_FILTER_TBL_ROWS, .hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE | 1 << HWTSTAMP_FILTER_ALL, .rx_hash_key_size = 40, @@ -6759,39 +4117,39 @@ 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, - .rx_pull_rss_config = efx_ef10_rx_pull_rss_config, - .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_push_rss_config = efx_mcdi_pf_rx_push_rss_config, + .rx_pull_rss_config = efx_mcdi_rx_pull_rss_config, + .rx_push_rss_context_config = efx_mcdi_rx_push_rss_context_config, + .rx_pull_rss_context_config = efx_mcdi_rx_pull_rss_context_config, + .rx_restore_rss_contexts = efx_mcdi_rx_restore_rss_contexts, + .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, - .filter_table_probe = efx_ef10_filter_table_probe, - .filter_table_restore = efx_ef10_filter_table_restore, - .filter_table_remove = efx_ef10_filter_table_remove, - .filter_update_rx_scatter = efx_ef10_filter_update_rx_scatter, - .filter_insert = efx_ef10_filter_insert, - .filter_remove_safe = efx_ef10_filter_remove_safe, - .filter_get_safe = efx_ef10_filter_get_safe, - .filter_clear_rx = efx_ef10_filter_clear_rx, - .filter_count_rx_used = efx_ef10_filter_count_rx_used, - .filter_get_rx_id_limit = efx_ef10_filter_get_rx_id_limit, - .filter_get_rx_ids = efx_ef10_filter_get_rx_ids, + .filter_table_probe = efx_mcdi_filter_table_probe, + .filter_table_restore = efx_mcdi_filter_table_restore, + .filter_table_remove = efx_mcdi_filter_table_remove, + .filter_update_rx_scatter = efx_mcdi_update_rx_scatter, + .filter_insert = efx_mcdi_filter_insert, + .filter_remove_safe = efx_mcdi_filter_remove_safe, + .filter_get_safe = efx_mcdi_filter_get_safe, + .filter_clear_rx = efx_mcdi_filter_clear_rx, + .filter_count_rx_used = efx_mcdi_filter_count_rx_used, + .filter_get_rx_id_limit = efx_mcdi_filter_get_rx_id_limit, + .filter_get_rx_ids = efx_mcdi_filter_get_rx_ids, #ifdef CONFIG_RFS_ACCEL - .filter_rfs_expire_one = efx_ef10_filter_rfs_expire_one, + .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one, #endif #ifdef CONFIG_SFC_MTD .mtd_probe = efx_ef10_mtd_probe, @@ -6844,7 +4202,7 @@ const struct efx_nic_type efx_hunt_a0_nic_type = { .timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH, .offload_features = EF10_OFFLOAD_FEATURES, .mcdi_max_ver = 2, - .max_rx_ip_filters = HUNT_FILTER_TBL_ROWS, + .max_rx_ip_filters = EFX_MCDI_FILTER_TBL_ROWS, .hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE | 1 << HWTSTAMP_FILTER_ALL, .rx_hash_key_size = 40, |