[net-next,11/28] sfc/siena: Rename functions in tx_common.h to avoid conflicts with sfc

Message ID	165063956828.27138.4319663390402064592.stgit@palantir17.mph.net (mailing list archive)
State	Superseded
Delegated to:	Netdev Maintainers
Headers	show Return-Path: <netdev-owner@kernel.org> Subject: [PATCH net-next 11/28] sfc/siena: Rename functions in tx_common.h to avoid conflicts with sfc From: Martin Habets <habetsm.xilinx@gmail.com> To: kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net Cc: netdev@vger.kernel.org, ecree.xilinx@gmail.com Date: Fri, 22 Apr 2022 15:59:28 +0100 Message-ID: <165063956828.27138.4319663390402064592.stgit@palantir17.mph.net> In-Reply-To: <165063937837.27138.6911229584057659609.stgit@palantir17.mph.net> References: <165063937837.27138.6911229584057659609.stgit@palantir17.mph.net> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk
Series	: Move Siena into a separate subdirectory \| expand [linx-net,00/28] : Move Siena into a separate subdirectory [net-next,01/28] sfc: Disable Siena support [net-next,02/28] sfc: Move Siena specific files [net-next,03/28] sfc: Copy shared files needed for Siena [net-next,04/28] sfc: Remove build references to missing functionality [net-next,05/28] sfc/siena: Rename functions in efx_common.h to avoid conflicts with sfc [net-next,06/28] sfc/siena: Rename functions in efx.h to avoid conflicts with sfc [net-next,07/28] sfc/siena: Rename functions in efx_channels.h to avoid conflicts with sfc [net-next,08/28] sfc/siena: Update nic.h to avoid conflicts with sfc [net-next,09/28] sfc/siena: Remove unused functions in tx.h to avoid conflicts with sfc [net-next,10/28] sfc/siena: Rename functions in rx_common.h to avoid conflicts with sfc [net-next,11/28] sfc/siena: Rename functions in tx_common.h to avoid conflicts with sfc [net-next,12/28] sfc/siena: Rename functions in selftest.h to avoid conflicts with sfc [net-next,13/28] sfc/siena: Rename functions in ethtool_common.h to avoid conflicts with sfc [net-next,14/28] sfc/siena: Rename functions in ptp.h to avoid conflicts with sfc [net-next,15/28] sfc/siena: Rename functions in mcdi.h to avoid conflicts with sfc [net-next,16/28] sfc/siena: Rename functions in mcdi_port.h to avoid conflicts with sfc [net-next,17/28] sfc/siena: Rename functions in mcdi_port_common.h to avoid conflicts with sfc [net-next,18/28] sfc/siena: Rename loopback_mode in net_driver.h to avoid a conflict with sfc [net-next,19/28] sfc/siena: Rename functions in nic_common.h to avoid conflicts with sfc [net-next,20/28] sfc/siena: Inline functions in sriov.h to avoid conflicts with sfc [net-next,21/28] sfc: Add a basic Siena module [net-next,22/28] siena: Make the (un)load message more specific [net-next,23/28] siena: Make MTD support specific for Siena [net-next,24/28] siena: Make SRIOV support specific for Siena [net-next,25/28] siena: Make HWMON support specific for Siena [net-next,26/28] sfc/siena: Make MCDI logging support specific for Siena [net-next,27/28] sfc/siena: Make PTP and reset support specific for Siena [net-next,28/28] sfc/siena: Reinstate SRIOV init/fini function calls

diff --git a/drivers/net/ethernet/sfc/siena/efx.c b/drivers/net/ethernet/sfc/siena/efx.c index f1a46a28b934..70da9d7afbc5 100644 --- a/drivers/net/ethernet/sfc/siena/efx.c +++ b/drivers/net/ethernet/sfc/siena/efx.c @@ -58,8 +58,9 @@ MODULE_PARM_DESC(rss_cpus, "Number of CPUs to use for Receive-Side Scaling"); * * This is only used in MSI-X interrupt mode */ -bool efx_separate_tx_channels; -module_param(efx_separate_tx_channels, bool, 0444); +bool efx_siena_separate_tx_channels; +module_param_named(efx_separate_tx_channels, efx_siena_separate_tx_channels, + bool, 0444); MODULE_PARM_DESC(efx_separate_tx_channels, "Use separate channels for TX and RX"); diff --git a/drivers/net/ethernet/sfc/siena/efx.h b/drivers/net/ethernet/sfc/siena/efx.h index 18099bb21f61..f91f3c94a275 100644 --- a/drivers/net/ethernet/sfc/siena/efx.h +++ b/drivers/net/ethernet/sfc/siena/efx.h @@ -44,7 +44,7 @@ static inline void efx_rx_flush_packet(struct efx_channel *channel) * TSO skbs. */ #define EFX_RXQ_MIN_ENT 128U -#define EFX_TXQ_MIN_ENT(efx) (2 * efx_tx_max_skb_descs(efx)) +#define EFX_TXQ_MIN_ENT(efx) (2 * efx_siena_tx_max_skb_descs(efx)) /* All EF10 architecture NICs steal one bit of the DMAQ size for various * other purposes when counting TxQ entries, so we halve the queue size. diff --git a/drivers/net/ethernet/sfc/siena/efx_channels.c b/drivers/net/ethernet/sfc/siena/efx_channels.c index bc17d8e7c6bc..9fc299d7a048 100644 --- a/drivers/net/ethernet/sfc/siena/efx_channels.c +++ b/drivers/net/ethernet/sfc/siena/efx_channels.c @@ -138,7 +138,7 @@ static int efx_allocate_msix_channels(struct efx_nic *efx, int n_xdp_tx; int n_xdp_ev; - if (efx_separate_tx_channels) + if (efx_siena_separate_tx_channels) n_channels *= 2; n_channels += extra_channels; @@ -220,7 +220,7 @@ static int efx_allocate_msix_channels(struct efx_nic *efx, /* Ignore XDP tx channels when creating rx channels. */ n_channels -= efx->n_xdp_channels; - if (efx_separate_tx_channels) { + if (efx_siena_separate_tx_channels) { efx->n_tx_channels = min(max(n_channels / 2, 1U), efx->max_tx_channels); @@ -321,7 +321,7 @@ int efx_siena_probe_interrupts(struct efx_nic *efx) /* Assume legacy interrupts */ if (efx->interrupt_mode == EFX_INT_MODE_LEGACY) { - efx->n_channels = 1 + (efx_separate_tx_channels ? 1 : 0); + efx->n_channels = 1 + (efx_siena_separate_tx_channels ? 1 : 0); efx->n_rx_channels = 1; efx->n_tx_channels = 1; efx->n_xdp_channels = 0; @@ -658,7 +658,7 @@ static int efx_probe_channel(struct efx_channel *channel) goto fail; efx_for_each_channel_tx_queue(tx_queue, channel) { - rc = efx_probe_tx_queue(tx_queue); + rc = efx_siena_probe_tx_queue(tx_queue); if (rc) goto fail; } @@ -754,7 +754,7 @@ void efx_siena_remove_channel(struct efx_channel *channel) efx_for_each_channel_rx_queue(rx_queue, channel) efx_siena_remove_rx_queue(rx_queue); efx_for_each_channel_tx_queue(tx_queue, channel) - efx_remove_tx_queue(tx_queue); + efx_siena_remove_tx_queue(tx_queue); efx_remove_eventq(channel); channel->type->post_remove(channel); } @@ -901,7 +901,7 @@ int efx_siena_set_channels(struct efx_nic *efx) int rc; efx->tx_channel_offset = - efx_separate_tx_channels ? + efx_siena_separate_tx_channels ? efx->n_channels - efx->n_tx_channels : 0; if (efx->xdp_tx_queue_count) { @@ -1115,7 +1115,7 @@ void efx_siena_start_channels(struct efx_nic *efx) efx_for_each_channel(channel, efx) { efx_for_each_channel_tx_queue(tx_queue, channel) { - efx_init_tx_queue(tx_queue); + efx_siena_init_tx_queue(tx_queue); atomic_inc(&efx->active_queues); } @@ -1171,7 +1171,7 @@ void efx_siena_stop_channels(struct efx_nic *efx) efx_for_each_channel_rx_queue(rx_queue, channel) efx_siena_fini_rx_queue(rx_queue); efx_for_each_channel_tx_queue(tx_queue, channel) - efx_fini_tx_queue(tx_queue); + efx_siena_fini_tx_queue(tx_queue); } } diff --git a/drivers/net/ethernet/sfc/siena/efx_common.c b/drivers/net/ethernet/sfc/siena/efx_common.c index e12083d28a47..f245d03c4caa 100644 --- a/drivers/net/ethernet/sfc/siena/efx_common.c +++ b/drivers/net/ethernet/sfc/siena/efx_common.c @@ -428,7 +428,7 @@ static void efx_start_datapath(struct efx_nic *efx) * the ring completely. We wake it when half way back to * empty. */ - efx->txq_stop_thresh = efx->txq_entries - efx_tx_max_skb_descs(efx); + efx->txq_stop_thresh = efx->txq_entries - efx_siena_tx_max_skb_descs(efx); efx->txq_wake_thresh = efx->txq_stop_thresh / 2; /* Initialise the channels */ diff --git a/drivers/net/ethernet/sfc/siena/tx.c b/drivers/net/ethernet/sfc/siena/tx.c index bfc15c018e66..2e9b0f172b4a 100644 --- a/drivers/net/ethernet/sfc/siena/tx.c +++ b/drivers/net/ethernet/sfc/siena/tx.c @@ -156,7 +156,7 @@ netdev_tx_t __efx_siena_enqueue_skb(struct efx_tx_queue *tx_queue, * size limit. */ if (segments) { - rc = efx_tx_tso_fallback(tx_queue, skb); + rc = efx_siena_tx_tso_fallback(tx_queue, skb); tx_queue->tso_fallbacks++; if (rc == 0) return 0; @@ -170,7 +170,7 @@ netdev_tx_t __efx_siena_enqueue_skb(struct efx_tx_queue *tx_queue, } /* Map for DMA and create descriptors if we haven't done so already. */ - if (!data_mapped && (efx_tx_map_data(tx_queue, skb, segments))) + if (!data_mapped && (efx_siena_tx_map_data(tx_queue, skb, segments))) goto err; efx_tx_maybe_stop_queue(tx_queue); @@ -193,7 +193,7 @@ netdev_tx_t __efx_siena_enqueue_skb(struct efx_tx_queue *tx_queue, err: - efx_enqueue_unwind(tx_queue, old_insert_count); + efx_siena_enqueue_unwind(tx_queue, old_insert_count); dev_kfree_skb_any(skb); /* If we're not expecting another transmit and we had something to push @@ -274,7 +274,7 @@ int efx_siena_xdp_tx_buffers(struct efx_nic *efx, int n, struct xdp_frame **xdpf break; /* Create descriptor and set up for unmapping DMA. */ - tx_buffer = efx_tx_map_chunk(tx_queue, dma_addr, len); + tx_buffer = efx_siena_tx_map_chunk(tx_queue, dma_addr, len); tx_buffer->xdpf = xdpf; tx_buffer->flags = EFX_TX_BUF_XDP | EFX_TX_BUF_MAP_SINGLE; diff --git a/drivers/net/ethernet/sfc/siena/tx_common.c b/drivers/net/ethernet/sfc/siena/tx_common.c index 298eb198f23d..66adc8525a3a 100644 --- a/drivers/net/ethernet/sfc/siena/tx_common.c +++ b/drivers/net/ethernet/sfc/siena/tx_common.c @@ -19,7 +19,7 @@ static unsigned int efx_tx_cb_page_count(struct efx_tx_queue *tx_queue) PAGE_SIZE >> EFX_TX_CB_ORDER); } -int efx_probe_tx_queue(struct efx_tx_queue *tx_queue) +int efx_siena_probe_tx_queue(struct efx_tx_queue *tx_queue) { struct efx_nic *efx = tx_queue->efx; unsigned int entries; @@ -64,7 +64,7 @@ int efx_probe_tx_queue(struct efx_tx_queue *tx_queue) return rc; } -void efx_init_tx_queue(struct efx_tx_queue *tx_queue) +void efx_siena_init_tx_queue(struct efx_tx_queue *tx_queue) { struct efx_nic *efx = tx_queue->efx; @@ -94,30 +94,7 @@ void efx_init_tx_queue(struct efx_tx_queue *tx_queue) tx_queue->initialised = true; } -void efx_fini_tx_queue(struct efx_tx_queue *tx_queue) -{ - struct efx_tx_buffer *buffer; - - netif_dbg(tx_queue->efx, drv, tx_queue->efx->net_dev, - "shutting down TX queue %d\n", tx_queue->queue); - - if (!tx_queue->buffer) - return; - - /* Free any buffers left in the ring */ - while (tx_queue->read_count != tx_queue->write_count) { - unsigned int pkts_compl = 0, bytes_compl = 0; - - buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask]; - efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl); - - ++tx_queue->read_count; - } - tx_queue->xmit_pending = false; - netdev_tx_reset_queue(tx_queue->core_txq); -} - -void efx_remove_tx_queue(struct efx_tx_queue *tx_queue) +void efx_siena_remove_tx_queue(struct efx_tx_queue *tx_queue) { int i; @@ -141,10 +118,10 @@ void efx_remove_tx_queue(struct efx_tx_queue *tx_queue) tx_queue->channel->tx_queue_by_type[tx_queue->type] = NULL; } -void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, - struct efx_tx_buffer *buffer, - unsigned int *pkts_compl, - unsigned int *bytes_compl) +static void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, + struct efx_tx_buffer *buffer, + unsigned int *pkts_compl, + unsigned int *bytes_compl) { if (buffer->unmap_len) { struct device *dma_dev = &tx_queue->efx->pci_dev->dev; @@ -189,6 +166,29 @@ void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, buffer->flags = 0; } +void efx_siena_fini_tx_queue(struct efx_tx_queue *tx_queue) +{ + struct efx_tx_buffer *buffer; + + netif_dbg(tx_queue->efx, drv, tx_queue->efx->net_dev, + "shutting down TX queue %d\n", tx_queue->queue); + + if (!tx_queue->buffer) + return; + + /* Free any buffers left in the ring */ + while (tx_queue->read_count != tx_queue->write_count) { + unsigned int pkts_compl = 0, bytes_compl = 0; + + buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask]; + efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl); + + ++tx_queue->read_count; + } + tx_queue->xmit_pending = false; + netdev_tx_reset_queue(tx_queue->core_txq); +} + /* Remove packets from the TX queue * * This removes packets from the TX queue, up to and including the @@ -269,8 +269,8 @@ void efx_siena_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) /* Remove buffers put into a tx_queue for the current packet. * None of the buffers must have an skb attached. */ -void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, - unsigned int insert_count) +void efx_siena_enqueue_unwind(struct efx_tx_queue *tx_queue, + unsigned int insert_count) { struct efx_tx_buffer *buffer; unsigned int bytes_compl = 0; @@ -284,8 +284,8 @@ void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, } } -struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, - dma_addr_t dma_addr, size_t len) +struct efx_tx_buffer *efx_siena_tx_map_chunk(struct efx_tx_queue *tx_queue, + dma_addr_t dma_addr, size_t len) { const struct efx_nic_type *nic_type = tx_queue->efx->type; struct efx_tx_buffer *buffer; @@ -311,7 +311,7 @@ struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, return buffer; } -int efx_tx_tso_header_length(struct sk_buff *skb) +static int efx_tx_tso_header_length(struct sk_buff *skb) { size_t header_len; @@ -326,8 +326,8 @@ int efx_tx_tso_header_length(struct sk_buff *skb) } /* Map all data from an SKB for DMA and create descriptors on the queue. */ -int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, - unsigned int segment_count) +int efx_siena_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, + unsigned int segment_count) { struct efx_nic *efx = tx_queue->efx; struct device *dma_dev = &efx->pci_dev->dev; @@ -357,7 +357,7 @@ int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, if (header_len != len) { tx_queue->tso_long_headers++; - efx_tx_map_chunk(tx_queue, dma_addr, header_len); + efx_siena_tx_map_chunk(tx_queue, dma_addr, header_len); len -= header_len; dma_addr += header_len; } @@ -368,7 +368,7 @@ int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, struct efx_tx_buffer *buffer; skb_frag_t *fragment; - buffer = efx_tx_map_chunk(tx_queue, dma_addr, len); + buffer = efx_siena_tx_map_chunk(tx_queue, dma_addr, len); /* The final descriptor for a fragment is responsible for * unmapping the whole fragment. @@ -400,7 +400,7 @@ int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, } while (1); } -unsigned int efx_tx_max_skb_descs(struct efx_nic *efx) +unsigned int efx_siena_tx_max_skb_descs(struct efx_nic *efx) { /* Header and payload descriptor for each output segment, plus * one for every input fragment boundary within a segment @@ -428,7 +428,8 @@ unsigned int efx_tx_max_skb_descs(struct efx_nic *efx) * * Returns 0 on success, error code otherwise. */ -int efx_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb) +int efx_siena_tx_tso_fallback(struct efx_tx_queue *tx_queue, + struct sk_buff *skb) { struct sk_buff *segments, *next; diff --git a/drivers/net/ethernet/sfc/siena/tx_common.h b/drivers/net/ethernet/sfc/siena/tx_common.h index 602f5a052918..31ca52a25015 100644 --- a/drivers/net/ethernet/sfc/siena/tx_common.h +++ b/drivers/net/ethernet/sfc/siena/tx_common.h @@ -11,15 +11,10 @@ #ifndef EFX_TX_COMMON_H #define EFX_TX_COMMON_H -int efx_probe_tx_queue(struct efx_tx_queue *tx_queue); -void efx_init_tx_queue(struct efx_tx_queue *tx_queue); -void efx_fini_tx_queue(struct efx_tx_queue *tx_queue); -void efx_remove_tx_queue(struct efx_tx_queue *tx_queue); - -void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, - struct efx_tx_buffer *buffer, - unsigned int *pkts_compl, - unsigned int *bytes_compl); +int efx_siena_probe_tx_queue(struct efx_tx_queue *tx_queue); +void efx_siena_init_tx_queue(struct efx_tx_queue *tx_queue); +void efx_siena_fini_tx_queue(struct efx_tx_queue *tx_queue); +void efx_siena_remove_tx_queue(struct efx_tx_queue *tx_queue); static inline bool efx_tx_buffer_in_use(struct efx_tx_buffer *buffer) { @@ -29,17 +24,16 @@ static inline bool efx_tx_buffer_in_use(struct efx_tx_buffer *buffer) void efx_siena_xmit_done_check_empty(struct efx_tx_queue *tx_queue); void efx_siena_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index); -void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, - unsigned int insert_count); +void efx_siena_enqueue_unwind(struct efx_tx_queue *tx_queue, + unsigned int insert_count); -struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, - dma_addr_t dma_addr, size_t len); -int efx_tx_tso_header_length(struct sk_buff *skb); -int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, - unsigned int segment_count); +struct efx_tx_buffer *efx_siena_tx_map_chunk(struct efx_tx_queue *tx_queue, + dma_addr_t dma_addr, size_t len); +int efx_siena_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, + unsigned int segment_count); -unsigned int efx_tx_max_skb_descs(struct efx_nic *efx); -int efx_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb); +unsigned int efx_siena_tx_max_skb_descs(struct efx_nic *efx); +int efx_siena_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb); -extern bool efx_separate_tx_channels; +extern bool efx_siena_separate_tx_channels; #endif

[net-next,11/28] sfc/siena: Rename functions in tx_common.h to avoid conflicts with sfc

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