/* * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for * any purpose with or without fee is hereby granted, provided that the * above copyright notice and this permission notice appear in all * copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #ifndef _DP_LI_RX_H_ #define _DP_LI_RX_H_ #include #include #include "dp_li.h" uint32_t dp_rx_process_li(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl, uint8_t reo_ring_num, uint32_t quota); /** * dp_rx_desc_pool_init_li() - Initialize Rx Descriptor pool(s) * @soc: Handle to DP Soc structure * @rx_desc_pool: Rx descriptor pool handler * @pool_id: Rx descriptor pool ID * * Return: None */ QDF_STATUS dp_rx_desc_pool_init_li(struct dp_soc *soc, struct rx_desc_pool *rx_desc_pool, uint32_t pool_id); /** * dp_rx_desc_pool_deinit_li() - De-initialize Rx Descriptor pool(s) * @soc: Handle to DP Soc structure * @rx_desc_pool: Rx descriptor pool handler * @pool_id: Rx descriptor pool ID * * Return: None */ void dp_rx_desc_pool_deinit_li(struct dp_soc *soc, struct rx_desc_pool *rx_desc_pool, uint32_t pool_id); /** * dp_wbm_get_rx_desc_from_hal_desc_li() - Get corresponding Rx Desc * address from WBM ring Desc * @soc: Handle to DP Soc structure * @ring_desc: ring descriptor structure pointer * @r_rx_desc: pointer to a pointer of Rx Desc * * Return: QDF_STATUS_SUCCESS - succeeded, others - failed */ QDF_STATUS dp_wbm_get_rx_desc_from_hal_desc_li( struct dp_soc *soc, void *ring_desc, struct dp_rx_desc **r_rx_desc); /** * dp_rx_desc_cookie_2_va_li() - Convert RX Desc cookie ID to VA * @soc:Handle to DP Soc structure * @cookie: cookie used to lookup virtual address * * Return: Rx descriptor virtual address */ static inline struct dp_rx_desc *dp_rx_desc_cookie_2_va_li(struct dp_soc *soc, uint32_t cookie) { return dp_rx_cookie_2_va_rxdma_buf(soc, cookie); } #define DP_PEER_METADATA_VDEV_ID_MASK 0x003f0000 #define DP_PEER_METADATA_VDEV_ID_SHIFT 16 #define DP_PEER_METADATA_OFFLOAD_MASK 0x01000000 #define DP_PEER_METADATA_OFFLOAD_SHIFT 24 #define DP_PEER_METADATA_VDEV_ID_GET_LI(_peer_metadata) \ (((_peer_metadata) & DP_PEER_METADATA_VDEV_ID_MASK) \ >> DP_PEER_METADATA_VDEV_ID_SHIFT) #define DP_PEER_METADATA_OFFLOAD_GET_LI(_peer_metadata) \ (((_peer_metadata) & DP_PEER_METADATA_OFFLOAD_MASK) \ >> DP_PEER_METADATA_OFFLOAD_SHIFT) static inline uint16_t dp_rx_peer_metadata_peer_id_get_li(struct dp_soc *soc, uint32_t peer_metadata) { struct htt_rx_peer_metadata_v0 *metadata = (struct htt_rx_peer_metadata_v0 *)&peer_metadata; return metadata->peer_id; } #ifdef QCA_DP_RX_NBUF_AND_NBUF_DATA_PREFETCH static inline void dp_rx_prefetch_nbuf_data(qdf_nbuf_t nbuf, qdf_nbuf_t next) { struct rx_pkt_tlvs *pkt_tlvs; if (next) { /* prefetch skb->next and first few bytes of skb->cb */ qdf_prefetch(next); /* skb->cb spread across 2 cache lines hence below prefetch */ qdf_prefetch(&next->_skb_refdst); qdf_prefetch(&next->len); qdf_prefetch(&next->protocol); pkt_tlvs = (struct rx_pkt_tlvs *)next->data; /* sa_idx, da_idx, l3_pad in RX msdu_end TLV */ qdf_prefetch(pkt_tlvs); /* msdu_done in RX attention TLV */ qdf_prefetch(&pkt_tlvs->attn_tlv); /* fr_ds & to_ds in RX MPDU start TLV */ if (qdf_nbuf_is_rx_chfrag_end(nbuf)) qdf_prefetch(&pkt_tlvs->mpdu_start_tlv); } } #else static inline void dp_rx_prefetch_nbuf_data(qdf_nbuf_t nbuf, qdf_nbuf_t next) { } #endif #endif