diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa/dpaa_eth.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa/dpaa_eth.h | 80 |
1 files changed, 40 insertions, 40 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.h b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.h index af320f83c742..7ed659eb08de 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.h +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.h @@ -1,37 +1,14 @@ -/* Copyright 2008 - 2016 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ +/* + * Copyright 2008 - 2016 Freescale Semiconductor Inc. */ #ifndef __DPAA_H #define __DPAA_H #include <linux/netdevice.h> +#include <linux/refcount.h> +#include <net/xdp.h> #include <soc/fsl/qman.h> #include <soc/fsl/bman.h> @@ -41,12 +18,6 @@ /* Number of prioritised traffic classes */ #define DPAA_TC_NUM 4 -/* Number of Tx queues per traffic class */ -#define DPAA_TC_TXQ_NUM NR_CPUS -/* Total number of Tx queues */ -#define DPAA_ETH_TXQ_NUM (DPAA_TC_NUM * DPAA_TC_TXQ_NUM) - -#define DPAA_BPS_NUM 3 /* number of bpools per interface */ /* More detailed FQ types - used for fine-grained WQ assignments */ enum dpaa_fq_type { @@ -69,6 +40,7 @@ struct dpaa_fq { u16 channel; u8 wq; enum dpaa_fq_type fq_type; + struct xdp_rxq_info xdp_rxq; }; struct dpaa_fq_cbs { @@ -79,9 +51,11 @@ struct dpaa_fq_cbs { struct qman_fq egress_ern; }; +struct dpaa_priv; + struct dpaa_bp { - /* device used in the DMA mapping operations */ - struct device *dev; + /* used in the DMA mapping operations */ + struct dpaa_priv *priv; /* current number of buffers in the buffer pool alloted to each CPU */ int __percpu *percpu_count; /* all buffers allocated for this pool have this raw size */ @@ -99,7 +73,7 @@ struct dpaa_bp { int (*seed_cb)(struct dpaa_bp *); /* bpool can be emptied before freeing by this cb */ void (*free_buf_cb)(const struct dpaa_bp *, struct bm_buffer *); - atomic_t refs; + refcount_t refs; }; struct dpaa_rx_errors { @@ -125,6 +99,7 @@ struct dpaa_napi_portal { struct napi_struct napi; struct qman_portal *p; bool down; + int xdp_act; }; struct dpaa_percpu_priv { @@ -143,17 +118,28 @@ struct dpaa_buffer_layout { u16 priv_data_size; }; +/* Information to be used on the Tx confirmation path. Stored just + * before the start of the transmit buffer. Maximum size allowed + * is DPAA_TX_PRIV_DATA_SIZE bytes. + */ +struct dpaa_eth_swbp { + struct sk_buff *skb; + struct xdp_frame *xdpf; +}; + struct dpaa_priv { struct dpaa_percpu_priv __percpu *percpu_priv; - struct dpaa_bp *dpaa_bps[DPAA_BPS_NUM]; + struct dpaa_bp *dpaa_bp; /* Store here the needed Tx headroom for convenience and speed * (even though it can be computed based on the fields of buf_layout) */ u16 tx_headroom; struct net_device *net_dev; struct mac_device *mac_dev; - struct qman_fq *egress_fqs[DPAA_ETH_TXQ_NUM]; - struct qman_fq *conf_fqs[DPAA_ETH_TXQ_NUM]; + struct device *rx_dma_dev; + struct device *tx_dma_dev; + struct qman_fq **egress_fqs; + struct qman_fq **conf_fqs; u16 channel; struct list_head dpaa_fq_list; @@ -185,6 +171,8 @@ struct dpaa_priv { bool tx_tstamp; /* Tx timestamping enabled */ bool rx_tstamp; /* Rx timestamping enabled */ + + struct bpf_prog *xdp_prog; }; /* from dpaa_ethtool.c */ @@ -193,4 +181,16 @@ extern const struct ethtool_ops dpaa_ethtool_ops; /* from dpaa_eth_sysfs.c */ void dpaa_eth_sysfs_remove(struct device *dev); void dpaa_eth_sysfs_init(struct device *dev); + +static inline size_t dpaa_num_txqs_per_tc(void) +{ + return num_possible_cpus(); +} + +/* Total number of Tx queues */ +static inline size_t dpaa_max_num_txqs(void) +{ + return DPAA_TC_NUM * dpaa_num_txqs_per_tc(); +} + #endif /* __DPAA_H */ |