52511a17d1
Check for vdev_id mismatch to deliver NBUFs to stack to avoid hold peer reference while giving nbuf list to stack Change-Id: Ic475e00d5b1793ada7b26b7af3322ca2fa51836f
1101 righe
32 KiB
C
1101 righe
32 KiB
C
/*
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* Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _DP_RX_H
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#define _DP_RX_H
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#include "hal_rx.h"
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#include "dp_tx.h"
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#include "dp_peer.h"
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#include "dp_internal.h"
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#ifdef RXDMA_OPTIMIZATION
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#ifdef NO_RX_PKT_HDR_TLV
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#define RX_BUFFER_ALIGNMENT 0
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#else
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#define RX_BUFFER_ALIGNMENT 128
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#endif /* NO_RX_PKT_HDR_TLV */
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#else /* RXDMA_OPTIMIZATION */
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#define RX_BUFFER_ALIGNMENT 4
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#endif /* RXDMA_OPTIMIZATION */
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#ifdef QCA_HOST2FW_RXBUF_RING
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#define DP_WBM2SW_RBM HAL_RX_BUF_RBM_SW1_BM
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/* RBM value used for re-injecting defragmented packets into REO */
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#define DP_DEFRAG_RBM HAL_RX_BUF_RBM_SW3_BM
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#else
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#define DP_WBM2SW_RBM HAL_RX_BUF_RBM_SW3_BM
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#define DP_DEFRAG_RBM DP_WBM2SW_RBM
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#endif /* QCA_HOST2FW_RXBUF_RING */
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#define RX_BUFFER_RESERVATION 0
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#define DP_PEER_METADATA_PEER_ID_MASK 0x0000ffff
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#define DP_PEER_METADATA_PEER_ID_SHIFT 0
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#define DP_PEER_METADATA_VDEV_ID_MASK 0x003f0000
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#define DP_PEER_METADATA_VDEV_ID_SHIFT 16
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#define DP_PEER_METADATA_PEER_ID_GET(_peer_metadata) \
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(((_peer_metadata) & DP_PEER_METADATA_PEER_ID_MASK) \
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>> DP_PEER_METADATA_PEER_ID_SHIFT)
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#define DP_PEER_METADATA_VDEV_ID_GET(_peer_metadata) \
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(((_peer_metadata) & DP_PEER_METADATA_VDEV_ID_MASK) \
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>> DP_PEER_METADATA_VDEV_ID_SHIFT)
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#define DP_RX_DESC_MAGIC 0xdec0de
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/**
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* struct dp_rx_desc
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*
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* @nbuf : VA of the "skb" posted
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* @rx_buf_start : VA of the original Rx buffer, before
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* movement of any skb->data pointer
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* @cookie : index into the sw array which holds
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* the sw Rx descriptors
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* Cookie space is 21 bits:
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* lower 18 bits -- index
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* upper 3 bits -- pool_id
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* @pool_id : pool Id for which this allocated.
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* Can only be used if there is no flow
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* steering
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* @in_use rx_desc is in use
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* @unmapped used to mark rx_desc an unmapped if the corresponding
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* nbuf is already unmapped
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*/
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struct dp_rx_desc {
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qdf_nbuf_t nbuf;
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uint8_t *rx_buf_start;
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uint32_t cookie;
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uint8_t pool_id;
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#ifdef RX_DESC_DEBUG_CHECK
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uint32_t magic;
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#endif
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uint8_t in_use:1,
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unmapped:1;
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};
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/* RX Descriptor Multi Page memory alloc related */
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#define DP_RX_DESC_OFFSET_NUM_BITS 8
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#define DP_RX_DESC_PAGE_ID_NUM_BITS 8
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#define DP_RX_DESC_POOL_ID_NUM_BITS 4
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#define DP_RX_DESC_PAGE_ID_SHIFT DP_RX_DESC_OFFSET_NUM_BITS
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#define DP_RX_DESC_POOL_ID_SHIFT \
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(DP_RX_DESC_OFFSET_NUM_BITS + DP_RX_DESC_PAGE_ID_NUM_BITS)
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#define RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK \
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(((1 << DP_RX_DESC_POOL_ID_NUM_BITS) - 1) << DP_RX_DESC_POOL_ID_SHIFT)
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#define RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK \
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(((1 << DP_RX_DESC_PAGE_ID_NUM_BITS) - 1) << \
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DP_RX_DESC_PAGE_ID_SHIFT)
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#define RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK \
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((1 << DP_RX_DESC_OFFSET_NUM_BITS) - 1)
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#define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(_cookie) \
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(((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_POOL_ID_MASK) >> \
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DP_RX_DESC_POOL_ID_SHIFT)
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#define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(_cookie) \
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(((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_PAGE_ID_MASK) >> \
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DP_RX_DESC_PAGE_ID_SHIFT)
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#define DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(_cookie) \
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((_cookie) & RX_DESC_MULTI_PAGE_COOKIE_OFFSET_MASK)
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#define RX_DESC_COOKIE_INDEX_SHIFT 0
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#define RX_DESC_COOKIE_INDEX_MASK 0x3ffff /* 18 bits */
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#define RX_DESC_COOKIE_POOL_ID_SHIFT 18
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#define RX_DESC_COOKIE_POOL_ID_MASK 0x1c0000
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#define DP_RX_DESC_COOKIE_MAX \
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(RX_DESC_COOKIE_INDEX_MASK | RX_DESC_COOKIE_POOL_ID_MASK)
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#define DP_RX_DESC_COOKIE_POOL_ID_GET(_cookie) \
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(((_cookie) & RX_DESC_COOKIE_POOL_ID_MASK) >> \
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RX_DESC_COOKIE_POOL_ID_SHIFT)
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#define DP_RX_DESC_COOKIE_INDEX_GET(_cookie) \
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(((_cookie) & RX_DESC_COOKIE_INDEX_MASK) >> \
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RX_DESC_COOKIE_INDEX_SHIFT)
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/* DOC: Offset to obtain LLC hdr
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*
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* In the case of Wifi parse error
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* to reach LLC header from beginning
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* of VLAN tag we need to skip 8 bytes.
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* Vlan_tag(4)+length(2)+length added
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* by HW(2) = 8 bytes.
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*/
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#define DP_SKIP_VLAN 8
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/**
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* struct dp_rx_cached_buf - rx cached buffer
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* @list: linked list node
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* @buf: skb buffer
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*/
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struct dp_rx_cached_buf {
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qdf_list_node_t node;
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qdf_nbuf_t buf;
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};
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/*
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*dp_rx_xor_block() - xor block of data
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*@b: destination data block
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*@a: source data block
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*@len: length of the data to process
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*
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*Returns: None
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*/
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static inline void dp_rx_xor_block(uint8_t *b, const uint8_t *a, qdf_size_t len)
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{
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qdf_size_t i;
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for (i = 0; i < len; i++)
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b[i] ^= a[i];
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}
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/*
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*dp_rx_rotl() - rotate the bits left
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*@val: unsigned integer input value
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*@bits: number of bits
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*
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*Returns: Integer with left rotated by number of 'bits'
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*/
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static inline uint32_t dp_rx_rotl(uint32_t val, int bits)
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{
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return (val << bits) | (val >> (32 - bits));
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}
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/*
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*dp_rx_rotr() - rotate the bits right
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*@val: unsigned integer input value
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*@bits: number of bits
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*
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*Returns: Integer with right rotated by number of 'bits'
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*/
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static inline uint32_t dp_rx_rotr(uint32_t val, int bits)
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{
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return (val >> bits) | (val << (32 - bits));
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}
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/*
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* dp_set_rx_queue() - set queue_mapping in skb
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* @nbuf: skb
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* @queue_id: rx queue_id
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*
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* Return: void
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*/
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#ifdef QCA_OL_RX_MULTIQ_SUPPORT
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static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
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{
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qdf_nbuf_record_rx_queue(nbuf, queue_id);
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return;
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}
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#else
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static inline void dp_set_rx_queue(qdf_nbuf_t nbuf, uint8_t queue_id)
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{
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}
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#endif
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/*
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*dp_rx_xswap() - swap the bits left
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*@val: unsigned integer input value
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*
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*Returns: Integer with bits swapped
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*/
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static inline uint32_t dp_rx_xswap(uint32_t val)
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{
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return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8);
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}
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/*
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*dp_rx_get_le32_split() - get little endian 32 bits split
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*@b0: byte 0
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*@b1: byte 1
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*@b2: byte 2
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*@b3: byte 3
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*
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*Returns: Integer with split little endian 32 bits
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*/
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static inline uint32_t dp_rx_get_le32_split(uint8_t b0, uint8_t b1, uint8_t b2,
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uint8_t b3)
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{
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return b0 | (b1 << 8) | (b2 << 16) | (b3 << 24);
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}
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/*
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*dp_rx_get_le32() - get little endian 32 bits
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*@b0: byte 0
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*@b1: byte 1
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*@b2: byte 2
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*@b3: byte 3
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*
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*Returns: Integer with little endian 32 bits
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*/
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static inline uint32_t dp_rx_get_le32(const uint8_t *p)
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{
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return dp_rx_get_le32_split(p[0], p[1], p[2], p[3]);
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}
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/*
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* dp_rx_put_le32() - put little endian 32 bits
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* @p: destination char array
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* @v: source 32-bit integer
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*
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* Returns: None
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*/
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static inline void dp_rx_put_le32(uint8_t *p, uint32_t v)
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{
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p[0] = (v) & 0xff;
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p[1] = (v >> 8) & 0xff;
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p[2] = (v >> 16) & 0xff;
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p[3] = (v >> 24) & 0xff;
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}
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/* Extract michal mic block of data */
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#define dp_rx_michael_block(l, r) \
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do { \
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r ^= dp_rx_rotl(l, 17); \
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l += r; \
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r ^= dp_rx_xswap(l); \
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l += r; \
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r ^= dp_rx_rotl(l, 3); \
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l += r; \
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r ^= dp_rx_rotr(l, 2); \
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l += r; \
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} while (0)
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/**
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* struct dp_rx_desc_list_elem_t
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*
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* @next : Next pointer to form free list
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* @rx_desc : DP Rx descriptor
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*/
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union dp_rx_desc_list_elem_t {
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union dp_rx_desc_list_elem_t *next;
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struct dp_rx_desc rx_desc;
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};
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#ifdef RX_DESC_MULTI_PAGE_ALLOC
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/**
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* dp_rx_desc_find() - find dp rx descriptor from page ID and offset
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* @page_id: Page ID
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* @offset: Offset of the descriptor element
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*
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* Return: RX descriptor element
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*/
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union dp_rx_desc_list_elem_t *dp_rx_desc_find(uint16_t page_id, uint16_t offset,
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struct rx_desc_pool *rx_pool);
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static inline
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struct dp_rx_desc *dp_get_rx_desc_from_cookie(struct dp_soc *soc,
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struct rx_desc_pool *pool,
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uint32_t cookie)
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{
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uint8_t pool_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_POOL_ID(cookie);
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uint16_t page_id = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_PAGE_ID(cookie);
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uint8_t offset = DP_RX_DESC_MULTI_PAGE_COOKIE_GET_OFFSET(cookie);
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struct rx_desc_pool *rx_desc_pool;
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union dp_rx_desc_list_elem_t *rx_desc_elem;
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if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS))
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return NULL;
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rx_desc_pool = &pool[pool_id];
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rx_desc_elem = (union dp_rx_desc_list_elem_t *)
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(rx_desc_pool->desc_pages.cacheable_pages[page_id] +
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rx_desc_pool->elem_size * offset);
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return &rx_desc_elem->rx_desc;
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}
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/**
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* dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
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* the Rx descriptor on Rx DMA source ring buffer
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* @soc: core txrx main context
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* @cookie: cookie used to lookup virtual address
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*
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* Return: Pointer to the Rx descriptor
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*/
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static inline
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struct dp_rx_desc *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc,
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uint32_t cookie)
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{
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return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_buf[0], cookie);
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}
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/**
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* dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
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* the Rx descriptor on monitor ring buffer
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* @soc: core txrx main context
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* @cookie: cookie used to lookup virtual address
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*
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* Return: Pointer to the Rx descriptor
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*/
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static inline
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struct dp_rx_desc *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc,
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uint32_t cookie)
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{
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return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_mon[0], cookie);
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}
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/**
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* dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
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* the Rx descriptor on monitor status ring buffer
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* @soc: core txrx main context
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* @cookie: cookie used to lookup virtual address
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*
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* Return: Pointer to the Rx descriptor
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*/
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static inline
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struct dp_rx_desc *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc,
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uint32_t cookie)
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{
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return dp_get_rx_desc_from_cookie(soc, &soc->rx_desc_status[0], cookie);
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}
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#else
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/**
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* dp_rx_cookie_2_va_rxdma_buf() - Converts cookie to a virtual address of
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* the Rx descriptor on Rx DMA source ring buffer
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* @soc: core txrx main context
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* @cookie: cookie used to lookup virtual address
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*
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* Return: void *: Virtual Address of the Rx descriptor
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*/
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static inline
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void *dp_rx_cookie_2_va_rxdma_buf(struct dp_soc *soc, uint32_t cookie)
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{
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uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
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uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
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struct rx_desc_pool *rx_desc_pool;
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if (qdf_unlikely(pool_id >= MAX_RXDESC_POOLS))
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return NULL;
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rx_desc_pool = &soc->rx_desc_buf[pool_id];
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if (qdf_unlikely(index >= rx_desc_pool->pool_size))
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return NULL;
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return &(soc->rx_desc_buf[pool_id].array[index].rx_desc);
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}
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/**
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* dp_rx_cookie_2_va_mon_buf() - Converts cookie to a virtual address of
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* the Rx descriptor on monitor ring buffer
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* @soc: core txrx main context
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* @cookie: cookie used to lookup virtual address
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*
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* Return: void *: Virtual Address of the Rx descriptor
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*/
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static inline
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void *dp_rx_cookie_2_va_mon_buf(struct dp_soc *soc, uint32_t cookie)
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{
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uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
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uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
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/* TODO */
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/* Add sanity for pool_id & index */
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return &(soc->rx_desc_mon[pool_id].array[index].rx_desc);
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}
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/**
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* dp_rx_cookie_2_va_mon_status() - Converts cookie to a virtual address of
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* the Rx descriptor on monitor status ring buffer
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* @soc: core txrx main context
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* @cookie: cookie used to lookup virtual address
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*
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* Return: void *: Virtual Address of the Rx descriptor
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*/
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static inline
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void *dp_rx_cookie_2_va_mon_status(struct dp_soc *soc, uint32_t cookie)
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{
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uint8_t pool_id = DP_RX_DESC_COOKIE_POOL_ID_GET(cookie);
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uint16_t index = DP_RX_DESC_COOKIE_INDEX_GET(cookie);
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/* TODO */
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/* Add sanity for pool_id & index */
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return &(soc->rx_desc_status[pool_id].array[index].rx_desc);
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}
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#endif /* RX_DESC_MULTI_PAGE_ALLOC */
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void dp_rx_add_desc_list_to_free_list(struct dp_soc *soc,
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union dp_rx_desc_list_elem_t **local_desc_list,
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union dp_rx_desc_list_elem_t **tail,
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uint16_t pool_id,
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struct rx_desc_pool *rx_desc_pool);
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uint16_t dp_rx_get_free_desc_list(struct dp_soc *soc, uint32_t pool_id,
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struct rx_desc_pool *rx_desc_pool,
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uint16_t num_descs,
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union dp_rx_desc_list_elem_t **desc_list,
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union dp_rx_desc_list_elem_t **tail);
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QDF_STATUS dp_rx_pdev_attach(struct dp_pdev *pdev);
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void dp_rx_pdev_detach(struct dp_pdev *pdev);
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void dp_print_napi_stats(struct dp_soc *soc);
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/**
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* dp_rx_vdev_detach() - detach vdev from dp rx
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* @vdev: virtual device instance
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*
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* Return: QDF_STATUS_SUCCESS: success
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* QDF_STATUS_E_RESOURCES: Error return
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*/
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QDF_STATUS dp_rx_vdev_detach(struct dp_vdev *vdev);
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uint32_t
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dp_rx_process(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl,
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uint8_t reo_ring_num,
|
|
uint32_t quota);
|
|
|
|
/**
|
|
* dp_rx_err_process() - Processes error frames routed to REO error ring
|
|
* @int_ctx: pointer to DP interrupt context
|
|
* @soc: core txrx main context
|
|
* @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced
|
|
* @quota: No. of units (packets) that can be serviced in one shot.
|
|
*
|
|
* This function implements error processing and top level demultiplexer
|
|
* for all the frames routed to REO error ring.
|
|
*
|
|
* Return: uint32_t: No. of elements processed
|
|
*/
|
|
uint32_t dp_rx_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
|
|
hal_ring_handle_t hal_ring_hdl, uint32_t quota);
|
|
|
|
/**
|
|
* dp_rx_wbm_err_process() - Processes error frames routed to WBM release ring
|
|
* @int_ctx: pointer to DP interrupt context
|
|
* @soc: core txrx main context
|
|
* @hal_ring: opaque pointer to the HAL Rx Error Ring, which will be serviced
|
|
* @quota: No. of units (packets) that can be serviced in one shot.
|
|
*
|
|
* This function implements error processing and top level demultiplexer
|
|
* for all the frames routed to WBM2HOST sw release ring.
|
|
*
|
|
* Return: uint32_t: No. of elements processed
|
|
*/
|
|
uint32_t
|
|
dp_rx_wbm_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
|
|
hal_ring_handle_t hal_ring_hdl, uint32_t quota);
|
|
|
|
/**
|
|
* dp_rx_sg_create() - create a frag_list for MSDUs which are spread across
|
|
* multiple nbufs.
|
|
* @nbuf: pointer to the first msdu of an amsdu.
|
|
* @rx_tlv_hdr: pointer to the start of RX TLV headers.
|
|
*
|
|
* This function implements the creation of RX frag_list for cases
|
|
* where an MSDU is spread across multiple nbufs.
|
|
*
|
|
* Return: returns the head nbuf which contains complete frag_list.
|
|
*/
|
|
qdf_nbuf_t dp_rx_sg_create(qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr);
|
|
|
|
/*
|
|
* dp_rx_desc_pool_alloc() - create a pool of software rx_descs
|
|
* at the time of dp rx initialization
|
|
*
|
|
* @soc: core txrx main context
|
|
* @pool_id: pool_id which is one of 3 mac_ids
|
|
* @pool_size: number of Rx descriptor in the pool
|
|
* @rx_desc_pool: rx descriptor pool pointer
|
|
*
|
|
* Return: QDF status
|
|
*/
|
|
QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc, uint32_t pool_id,
|
|
uint32_t pool_size, struct rx_desc_pool *pool);
|
|
|
|
/*
|
|
* dp_rx_desc_nbuf_and_pool_free() - free the sw rx desc pool called during
|
|
* de-initialization of wifi module.
|
|
*
|
|
* @soc: core txrx main context
|
|
* @pool_id: pool_id which is one of 3 mac_ids
|
|
* @rx_desc_pool: rx descriptor pool pointer
|
|
*
|
|
* Return: None
|
|
*/
|
|
void dp_rx_desc_nbuf_and_pool_free(struct dp_soc *soc, uint32_t pool_id,
|
|
struct rx_desc_pool *rx_desc_pool);
|
|
|
|
/*
|
|
* dp_rx_desc_nbuf_free() - free the sw rx desc nbufs called during
|
|
* de-initialization of wifi module.
|
|
*
|
|
* @soc: core txrx main context
|
|
* @pool_id: pool_id which is one of 3 mac_ids
|
|
* @rx_desc_pool: rx descriptor pool pointer
|
|
*
|
|
* Return: None
|
|
*/
|
|
void dp_rx_desc_nbuf_free(struct dp_soc *soc,
|
|
struct rx_desc_pool *rx_desc_pool);
|
|
|
|
/*
|
|
* dp_rx_desc_pool_free() - free the sw rx desc array called during
|
|
* de-initialization of wifi module.
|
|
*
|
|
* @soc: core txrx main context
|
|
* @rx_desc_pool: rx descriptor pool pointer
|
|
*
|
|
* Return: None
|
|
*/
|
|
void dp_rx_desc_pool_free(struct dp_soc *soc,
|
|
struct rx_desc_pool *rx_desc_pool);
|
|
|
|
void dp_rx_deliver_raw(struct dp_vdev *vdev, qdf_nbuf_t nbuf_list,
|
|
struct dp_peer *peer);
|
|
|
|
/**
|
|
* dp_rx_add_to_free_desc_list() - Adds to a local free descriptor list
|
|
*
|
|
* @head: pointer to the head of local free list
|
|
* @tail: pointer to the tail of local free list
|
|
* @new: new descriptor that is added to the free list
|
|
*
|
|
* Return: void:
|
|
*/
|
|
static inline
|
|
void dp_rx_add_to_free_desc_list(union dp_rx_desc_list_elem_t **head,
|
|
union dp_rx_desc_list_elem_t **tail,
|
|
struct dp_rx_desc *new)
|
|
{
|
|
qdf_assert(head && new);
|
|
|
|
new->nbuf = NULL;
|
|
new->in_use = 0;
|
|
|
|
((union dp_rx_desc_list_elem_t *)new)->next = *head;
|
|
*head = (union dp_rx_desc_list_elem_t *)new;
|
|
if (!*tail)
|
|
*tail = *head;
|
|
|
|
}
|
|
|
|
uint8_t dp_rx_process_invalid_peer(struct dp_soc *soc, qdf_nbuf_t nbuf,
|
|
uint8_t mac_id);
|
|
void dp_rx_process_invalid_peer_wrapper(struct dp_soc *soc,
|
|
qdf_nbuf_t mpdu, bool mpdu_done, uint8_t mac_id);
|
|
void dp_rx_process_mic_error(struct dp_soc *soc, qdf_nbuf_t nbuf,
|
|
uint8_t *rx_tlv_hdr, struct dp_peer *peer);
|
|
void dp_2k_jump_handle(struct dp_soc *soc, qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
|
|
uint16_t peer_id, uint8_t tid);
|
|
|
|
|
|
#define DP_RX_LIST_APPEND(head, tail, elem) \
|
|
do { \
|
|
if (!(head)) { \
|
|
(head) = (elem); \
|
|
QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head) = 1;\
|
|
} else { \
|
|
qdf_nbuf_set_next((tail), (elem)); \
|
|
QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head)++; \
|
|
} \
|
|
(tail) = (elem); \
|
|
qdf_nbuf_set_next((tail), NULL); \
|
|
} while (0)
|
|
|
|
/*for qcn9000 emulation the pcie is complete phy and no address restrictions*/
|
|
#if !defined(BUILD_X86) || defined(QCA_WIFI_QCN9000)
|
|
static inline int check_x86_paddr(struct dp_soc *dp_soc, qdf_nbuf_t *rx_netbuf,
|
|
qdf_dma_addr_t *paddr, struct dp_pdev *pdev)
|
|
{
|
|
return QDF_STATUS_SUCCESS;
|
|
}
|
|
#else
|
|
#define MAX_RETRY 100
|
|
static inline int check_x86_paddr(struct dp_soc *dp_soc, qdf_nbuf_t *rx_netbuf,
|
|
qdf_dma_addr_t *paddr, struct dp_pdev *pdev)
|
|
{
|
|
uint32_t nbuf_retry = 0;
|
|
int32_t ret;
|
|
const uint32_t x86_phy_addr = 0x50000000;
|
|
/*
|
|
* in M2M emulation platforms (x86) the memory below 0x50000000
|
|
* is reserved for target use, so any memory allocated in this
|
|
* region should not be used by host
|
|
*/
|
|
do {
|
|
if (qdf_likely(*paddr > x86_phy_addr))
|
|
return QDF_STATUS_SUCCESS;
|
|
else {
|
|
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
|
|
"phy addr %pK exceeded 0x50000000 trying again",
|
|
paddr);
|
|
|
|
nbuf_retry++;
|
|
if ((*rx_netbuf)) {
|
|
qdf_nbuf_unmap_single(dp_soc->osdev, *rx_netbuf,
|
|
QDF_DMA_FROM_DEVICE);
|
|
/* Not freeing buffer intentionally.
|
|
* Observed that same buffer is getting
|
|
* re-allocated resulting in longer load time
|
|
* WMI init timeout.
|
|
* This buffer is anyway not useful so skip it.
|
|
**/
|
|
}
|
|
|
|
*rx_netbuf = qdf_nbuf_alloc(dp_soc->osdev,
|
|
RX_BUFFER_SIZE,
|
|
RX_BUFFER_RESERVATION,
|
|
RX_BUFFER_ALIGNMENT,
|
|
FALSE);
|
|
|
|
if (qdf_unlikely(!(*rx_netbuf)))
|
|
return QDF_STATUS_E_FAILURE;
|
|
|
|
ret = qdf_nbuf_map_single(dp_soc->osdev, *rx_netbuf,
|
|
QDF_DMA_FROM_DEVICE);
|
|
|
|
if (qdf_unlikely(ret == QDF_STATUS_E_FAILURE)) {
|
|
qdf_nbuf_free(*rx_netbuf);
|
|
*rx_netbuf = NULL;
|
|
continue;
|
|
}
|
|
|
|
*paddr = qdf_nbuf_get_frag_paddr(*rx_netbuf, 0);
|
|
}
|
|
} while (nbuf_retry < MAX_RETRY);
|
|
|
|
if ((*rx_netbuf)) {
|
|
qdf_nbuf_unmap_single(dp_soc->osdev, *rx_netbuf,
|
|
QDF_DMA_FROM_DEVICE);
|
|
qdf_nbuf_free(*rx_netbuf);
|
|
}
|
|
|
|
return QDF_STATUS_E_FAILURE;
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* dp_rx_cookie_2_link_desc_va() - Converts cookie to a virtual address of
|
|
* the MSDU Link Descriptor
|
|
* @soc: core txrx main context
|
|
* @buf_info: buf_info include cookie that used to lookup virtual address of
|
|
* link descriptor Normally this is just an index into a per SOC array.
|
|
*
|
|
* This is the VA of the link descriptor, that HAL layer later uses to
|
|
* retrieve the list of MSDU's for a given MPDU.
|
|
*
|
|
* Return: void *: Virtual Address of the Rx descriptor
|
|
*/
|
|
static inline
|
|
void *dp_rx_cookie_2_link_desc_va(struct dp_soc *soc,
|
|
struct hal_buf_info *buf_info)
|
|
{
|
|
void *link_desc_va;
|
|
uint32_t bank_id = LINK_DESC_COOKIE_BANK_ID(buf_info->sw_cookie);
|
|
|
|
|
|
/* TODO */
|
|
/* Add sanity for cookie */
|
|
|
|
link_desc_va = soc->link_desc_banks[bank_id].base_vaddr +
|
|
(buf_info->paddr -
|
|
soc->link_desc_banks[bank_id].base_paddr);
|
|
|
|
return link_desc_va;
|
|
}
|
|
|
|
/**
|
|
* dp_rx_cookie_2_mon_link_desc_va() - Converts cookie to a virtual address of
|
|
* the MSDU Link Descriptor
|
|
* @pdev: core txrx pdev context
|
|
* @buf_info: buf_info includes cookie that used to lookup virtual address of
|
|
* link descriptor. Normally this is just an index into a per pdev array.
|
|
*
|
|
* This is the VA of the link descriptor in monitor mode destination ring,
|
|
* that HAL layer later uses to retrieve the list of MSDU's for a given MPDU.
|
|
*
|
|
* Return: void *: Virtual Address of the Rx descriptor
|
|
*/
|
|
static inline
|
|
void *dp_rx_cookie_2_mon_link_desc_va(struct dp_pdev *pdev,
|
|
struct hal_buf_info *buf_info,
|
|
int mac_id)
|
|
{
|
|
void *link_desc_va;
|
|
int mac_for_pdev = dp_get_mac_id_for_mac(pdev->soc, mac_id);
|
|
|
|
/* TODO */
|
|
/* Add sanity for cookie */
|
|
|
|
link_desc_va =
|
|
pdev->link_desc_banks[mac_for_pdev][buf_info->sw_cookie].base_vaddr +
|
|
(buf_info->paddr -
|
|
pdev->link_desc_banks[mac_for_pdev][buf_info->sw_cookie].base_paddr);
|
|
|
|
return link_desc_va;
|
|
}
|
|
|
|
/**
|
|
* dp_rx_defrag_concat() - Concatenate the fragments
|
|
*
|
|
* @dst: destination pointer to the buffer
|
|
* @src: source pointer from where the fragment payload is to be copied
|
|
*
|
|
* Return: QDF_STATUS
|
|
*/
|
|
static inline QDF_STATUS dp_rx_defrag_concat(qdf_nbuf_t dst, qdf_nbuf_t src)
|
|
{
|
|
/*
|
|
* Inside qdf_nbuf_cat, if it is necessary to reallocate dst
|
|
* to provide space for src, the headroom portion is copied from
|
|
* the original dst buffer to the larger new dst buffer.
|
|
* (This is needed, because the headroom of the dst buffer
|
|
* contains the rx desc.)
|
|
*/
|
|
if (!qdf_nbuf_cat(dst, src)) {
|
|
/*
|
|
* qdf_nbuf_cat does not free the src memory.
|
|
* Free src nbuf before returning
|
|
* For failure case the caller takes of freeing the nbuf
|
|
*/
|
|
qdf_nbuf_free(src);
|
|
return QDF_STATUS_SUCCESS;
|
|
}
|
|
|
|
return QDF_STATUS_E_DEFRAG_ERROR;
|
|
}
|
|
|
|
#ifndef FEATURE_WDS
|
|
static inline QDF_STATUS dp_rx_ast_set_active(struct dp_soc *soc, uint16_t sa_idx, bool is_active)
|
|
{
|
|
return QDF_STATUS_SUCCESS;
|
|
}
|
|
|
|
static inline void
|
|
dp_rx_wds_srcport_learn(struct dp_soc *soc,
|
|
uint8_t *rx_tlv_hdr,
|
|
struct dp_peer *ta_peer,
|
|
qdf_nbuf_t nbuf)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* dp_rx_desc_dump() - dump the sw rx descriptor
|
|
*
|
|
* @rx_desc: sw rx descriptor
|
|
*/
|
|
static inline void dp_rx_desc_dump(struct dp_rx_desc *rx_desc)
|
|
{
|
|
dp_info("rx_desc->nbuf: %pK, rx_desc->cookie: %d, rx_desc->pool_id: %d, rx_desc->in_use: %d, rx_desc->unmapped: %d",
|
|
rx_desc->nbuf, rx_desc->cookie, rx_desc->pool_id,
|
|
rx_desc->in_use, rx_desc->unmapped);
|
|
}
|
|
|
|
/*
|
|
* check_qwrap_multicast_loopback() - Check if rx packet is a loopback packet.
|
|
* In qwrap mode, packets originated from
|
|
* any vdev should not loopback and
|
|
* should be dropped.
|
|
* @vdev: vdev on which rx packet is received
|
|
* @nbuf: rx pkt
|
|
*
|
|
*/
|
|
#if ATH_SUPPORT_WRAP
|
|
static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
|
|
qdf_nbuf_t nbuf)
|
|
{
|
|
struct dp_vdev *psta_vdev;
|
|
struct dp_pdev *pdev = vdev->pdev;
|
|
uint8_t *data = qdf_nbuf_data(nbuf);
|
|
|
|
if (qdf_unlikely(vdev->proxysta_vdev)) {
|
|
/* In qwrap isolation mode, allow loopback packets as all
|
|
* packets go to RootAP and Loopback on the mpsta.
|
|
*/
|
|
if (vdev->isolation_vdev)
|
|
return false;
|
|
TAILQ_FOREACH(psta_vdev, &pdev->vdev_list, vdev_list_elem) {
|
|
if (qdf_unlikely(psta_vdev->proxysta_vdev &&
|
|
!qdf_mem_cmp(psta_vdev->mac_addr.raw,
|
|
&data[QDF_MAC_ADDR_SIZE],
|
|
QDF_MAC_ADDR_SIZE))) {
|
|
/* Drop packet if source address is equal to
|
|
* any of the vdev addresses.
|
|
*/
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
#else
|
|
static inline bool check_qwrap_multicast_loopback(struct dp_vdev *vdev,
|
|
qdf_nbuf_t nbuf)
|
|
{
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
#if defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) ||\
|
|
defined(WLAN_SUPPORT_RX_TAG_STATISTICS) ||\
|
|
defined(WLAN_SUPPORT_RX_FLOW_TAG)
|
|
#include "dp_rx_tag.h"
|
|
#endif
|
|
|
|
#ifndef WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG
|
|
/**
|
|
* dp_rx_update_protocol_tag() - Reads CCE metadata from the RX MSDU end TLV
|
|
* and set the corresponding tag in QDF packet
|
|
* @soc: core txrx main context
|
|
* @vdev: vdev on which the packet is received
|
|
* @nbuf: QDF pkt buffer on which the protocol tag should be set
|
|
* @rx_tlv_hdr: rBbase address where the RX TLVs starts
|
|
* @ring_index: REO ring number, not used for error & monitor ring
|
|
* @is_reo_exception: flag to indicate if rx from REO ring or exception ring
|
|
* @is_update_stats: flag to indicate whether to update stats or not
|
|
* Return: void
|
|
*/
|
|
static inline void
|
|
dp_rx_update_protocol_tag(struct dp_soc *soc, struct dp_vdev *vdev,
|
|
qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr,
|
|
uint16_t ring_index,
|
|
bool is_reo_exception, bool is_update_stats)
|
|
{
|
|
}
|
|
#endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG */
|
|
|
|
#ifndef WLAN_SUPPORT_RX_FLOW_TAG
|
|
/**
|
|
* dp_rx_update_flow_tag() - Reads FSE metadata from the RX MSDU end TLV
|
|
* and set the corresponding tag in QDF packet
|
|
* @soc: core txrx main context
|
|
* @vdev: vdev on which the packet is received
|
|
* @nbuf: QDF pkt buffer on which the protocol tag should be set
|
|
* @rx_tlv_hdr: base address where the RX TLVs starts
|
|
* @is_update_stats: flag to indicate whether to update stats or not
|
|
*
|
|
* Return: void
|
|
*/
|
|
static inline void
|
|
dp_rx_update_flow_tag(struct dp_soc *soc, struct dp_vdev *vdev,
|
|
qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr, bool update_stats)
|
|
{
|
|
}
|
|
#endif /* WLAN_SUPPORT_RX_FLOW_TAG */
|
|
|
|
#if !defined(WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG) &&\
|
|
!defined(WLAN_SUPPORT_RX_FLOW_TAG)
|
|
/**
|
|
* dp_rx_mon_update_protocol_flow_tag() - Performs necessary checks for monitor
|
|
* mode and then tags appropriate packets
|
|
* @soc: core txrx main context
|
|
* @vdev: pdev on which packet is received
|
|
* @msdu: QDF packet buffer on which the protocol tag should be set
|
|
* @rx_desc: base address where the RX TLVs start
|
|
* Return: void
|
|
*/
|
|
static inline
|
|
void dp_rx_mon_update_protocol_flow_tag(struct dp_soc *soc,
|
|
struct dp_pdev *dp_pdev,
|
|
qdf_nbuf_t msdu, void *rx_desc)
|
|
{
|
|
}
|
|
#endif /* WLAN_SUPPORT_RX_PROTOCOL_TYPE_TAG || WLAN_SUPPORT_RX_FLOW_TAG */
|
|
|
|
/*
|
|
* dp_rx_buffers_replenish() - replenish rxdma ring with rx nbufs
|
|
* called during dp rx initialization
|
|
* and at the end of dp_rx_process.
|
|
*
|
|
* @soc: core txrx main context
|
|
* @mac_id: mac_id which is one of 3 mac_ids
|
|
* @dp_rxdma_srng: dp rxdma circular ring
|
|
* @rx_desc_pool: Pointer to free Rx descriptor pool
|
|
* @num_req_buffers: number of buffer to be replenished
|
|
* @desc_list: list of descs if called from dp_rx_process
|
|
* or NULL during dp rx initialization or out of buffer
|
|
* interrupt.
|
|
* @tail: tail of descs list
|
|
* Return: return success or failure
|
|
*/
|
|
QDF_STATUS dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
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struct dp_srng *dp_rxdma_srng,
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struct rx_desc_pool *rx_desc_pool,
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uint32_t num_req_buffers,
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union dp_rx_desc_list_elem_t **desc_list,
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union dp_rx_desc_list_elem_t **tail);
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|
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/*
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* dp_pdev_rx_buffers_attach() - replenish rxdma ring with rx nbufs
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* called during dp rx initialization
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*
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* @soc: core txrx main context
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* @mac_id: mac_id which is one of 3 mac_ids
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* @dp_rxdma_srng: dp rxdma circular ring
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* @rx_desc_pool: Pointer to free Rx descriptor pool
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* @num_req_buffers: number of buffer to be replenished
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*
|
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* Return: return success or failure
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|
*/
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QDF_STATUS
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dp_pdev_rx_buffers_attach(struct dp_soc *dp_soc, uint32_t mac_id,
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struct dp_srng *dp_rxdma_srng,
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struct rx_desc_pool *rx_desc_pool,
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uint32_t num_req_buffers);
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|
|
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/**
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* dp_rx_link_desc_return() - Return a MPDU link descriptor to HW
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* (WBM), following error handling
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*
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* @soc: core DP main context
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* @buf_addr_info: opaque pointer to the REO error ring descriptor
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* @buf_addr_info: void pointer to the buffer_addr_info
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* @bm_action: put to idle_list or release to msdu_list
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*
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* Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
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|
*/
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|
QDF_STATUS
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dp_rx_link_desc_return(struct dp_soc *soc, hal_ring_desc_t ring_desc,
|
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uint8_t bm_action);
|
|
|
|
/**
|
|
* dp_rx_link_desc_return_by_addr - Return a MPDU link descriptor to
|
|
* (WBM) by address
|
|
*
|
|
* @soc: core DP main context
|
|
* @link_desc_addr: link descriptor addr
|
|
*
|
|
* Return: QDF_STATUS_E_FAILURE for failure else QDF_STATUS_SUCCESS
|
|
*/
|
|
QDF_STATUS
|
|
dp_rx_link_desc_return_by_addr(struct dp_soc *soc,
|
|
hal_buff_addrinfo_t link_desc_addr,
|
|
uint8_t bm_action);
|
|
|
|
/**
|
|
* dp_rxdma_err_process() - RxDMA error processing functionality
|
|
* @soc: core txrx main contex
|
|
* @mac_id: mac id which is one of 3 mac_ids
|
|
* @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
|
|
* @quota: No. of units (packets) that can be serviced in one shot.
|
|
*
|
|
* Return: num of buffers processed
|
|
*/
|
|
uint32_t
|
|
dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
|
|
uint32_t mac_id, uint32_t quota);
|
|
|
|
void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
|
|
uint8_t *rx_tlv_hdr, struct dp_peer *peer);
|
|
QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
|
|
uint8_t *rx_tlv_hdr);
|
|
|
|
int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr, struct dp_vdev *vdev,
|
|
struct dp_peer *peer);
|
|
|
|
qdf_nbuf_t
|
|
dp_rx_nbuf_prepare(struct dp_soc *soc, struct dp_pdev *pdev);
|
|
|
|
/*
|
|
* dp_rx_dump_info_and_assert() - dump RX Ring info and Rx Desc info
|
|
*
|
|
* @soc: core txrx main context
|
|
* @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
|
|
* @ring_desc: opaque pointer to the RX ring descriptor
|
|
* @rx_desc: host rs descriptor
|
|
*
|
|
* Return: void
|
|
*/
|
|
void dp_rx_dump_info_and_assert(struct dp_soc *soc,
|
|
hal_ring_handle_t hal_ring_hdl,
|
|
hal_ring_desc_t ring_desc,
|
|
struct dp_rx_desc *rx_desc);
|
|
|
|
void dp_rx_compute_delay(struct dp_vdev *vdev, qdf_nbuf_t nbuf);
|
|
#ifdef RX_DESC_DEBUG_CHECK
|
|
/**
|
|
* dp_rx_desc_check_magic() - check the magic value in dp_rx_desc
|
|
* @rx_desc: rx descriptor pointer
|
|
*
|
|
* Return: true, if magic is correct, else false.
|
|
*/
|
|
static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
|
|
{
|
|
if (qdf_unlikely(rx_desc->magic != DP_RX_DESC_MAGIC))
|
|
return false;
|
|
|
|
rx_desc->magic = 0;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* dp_rx_desc_prep() - prepare rx desc
|
|
* @rx_desc: rx descriptor pointer to be prepared
|
|
* @nbuf: nbuf to be associated with rx_desc
|
|
*
|
|
* Note: assumption is that we are associating a nbuf which is mapped
|
|
*
|
|
* Return: none
|
|
*/
|
|
static inline void dp_rx_desc_prep(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf)
|
|
{
|
|
rx_desc->magic = DP_RX_DESC_MAGIC;
|
|
rx_desc->nbuf = nbuf;
|
|
rx_desc->unmapped = 0;
|
|
}
|
|
|
|
#else
|
|
|
|
static inline bool dp_rx_desc_check_magic(struct dp_rx_desc *rx_desc)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static inline void dp_rx_desc_prep(struct dp_rx_desc *rx_desc, qdf_nbuf_t nbuf)
|
|
{
|
|
rx_desc->nbuf = nbuf;
|
|
rx_desc->unmapped = 0;
|
|
}
|
|
#endif /* RX_DESC_DEBUG_CHECK */
|
|
|
|
void dp_rx_process_rxdma_err(struct dp_soc *soc, qdf_nbuf_t nbuf,
|
|
uint8_t *rx_tlv_hdr, struct dp_peer *peer,
|
|
uint8_t err_code, uint8_t mac_id);
|
|
|
|
#ifdef PEER_CACHE_RX_PKTS
|
|
/**
|
|
* dp_rx_flush_rx_cached() - flush cached rx frames
|
|
* @peer: peer
|
|
* @drop: set flag to drop frames
|
|
*
|
|
* Return: None
|
|
*/
|
|
void dp_rx_flush_rx_cached(struct dp_peer *peer, bool drop);
|
|
#else
|
|
static inline void dp_rx_flush_rx_cached(struct dp_peer *peer, bool drop)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#ifndef QCA_MULTIPASS_SUPPORT
|
|
static inline
|
|
bool dp_rx_multipass_process(struct dp_peer *peer, qdf_nbuf_t nbuf, uint8_t tid)
|
|
{
|
|
return false;
|
|
}
|
|
#else
|
|
bool dp_rx_multipass_process(struct dp_peer *peer, qdf_nbuf_t nbuf,
|
|
uint8_t tid);
|
|
#endif
|
|
|
|
#endif /* _DP_RX_H */
|