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qcacmn: Fix QDF nbuf documentation

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The kernel-doc script identified a large number of documentation
issues in the QDF nbuf abstractions, so fix those issues. In addition,
there are a number of instances where public functions have their
implementation documented instead of having their interface
documented, so move that documentation.

Change-Id: I744e98469d0fd6d6a2c7c907b2f9af5307f84458
CRs-Fixed: 3398757
This commit is contained in:
Jeff Johnson
2023-02-06 22:35:11 -08:00
committed by Madan Koyyalamudi
parent 0571d2f7bf
commit a81eb57e42
9 changed files with 1293 additions and 1168 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
qdf/inc/i_qdf_nbuf_api_m.h
View File

@@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2014-2017,2019-2021 The Linux Foundation. All rights reserved. * Copyright (c) 2014-2017,2019-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* *
* Permission to use, copy, modify, and/or distribute this software for * Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the * any purpose with or without fee is hereby granted, provided that the
@@ -180,7 +180,7 @@ static inline uint8_t qdf_nbuf_is_rx_ipa_smmu_map(qdf_nbuf_t buf)
/** /**
* qdf_nbuf_set_rx_reo_dest_ind_or_sw_excpt() - set reo destination indication * qdf_nbuf_set_rx_reo_dest_ind_or_sw_excpt() - set reo destination indication
or sw exception flag * or sw exception flag
* @buf: Network buffer * @buf: Network buffer
* @value: value to set * @value: value to set
* *
@@ -194,7 +194,7 @@ static inline void qdf_nbuf_set_rx_reo_dest_ind_or_sw_excpt(qdf_nbuf_t buf,
/** /**
* qdf_nbuf_get_rx_reo_dest_ind_or_sw_excpt() - get reo destination indication * qdf_nbuf_get_rx_reo_dest_ind_or_sw_excpt() - get reo destination indication
or sw exception flag * or sw exception flag
* @buf: Network buffer * @buf: Network buffer
* *
* Return reo destination indication value (0 ~ 31) or sw exception (0 ~ 1) * Return reo destination indication value (0 ~ 31) or sw exception (0 ~ 1)

2
qdf/inc/i_qdf_nbuf_api_w.h
View File

@@ -236,7 +236,7 @@ static inline void qdf_nbuf_ipa_priv_set(qdf_nbuf_t buf, uint32_t priv)
/** /**
* qdf_nbuf_set_rx_reo_dest_ind_or_sw_excpt() - set reo destination indication * qdf_nbuf_set_rx_reo_dest_ind_or_sw_excpt() - set reo destination indication
or sw exception flag * or sw exception flag
* @buf: Network buffer * @buf: Network buffer
* @value: value to set * @value: value to set
* *

312
qdf/inc/qdf_nbuf.h
View File

@@ -243,11 +243,11 @@ enum wsc_op_code {
#define QDF_MON_STATUS_MPDU_FCS_BMAP_NWORDS 8 #define QDF_MON_STATUS_MPDU_FCS_BMAP_NWORDS 8
/** /**
* @qdf_nbuf_queue_t - Platform independent packet queue abstraction * typedef qdf_nbuf_queue_t - Platform independent packet queue abstraction
*/ */
typedef __qdf_nbuf_queue_t qdf_nbuf_queue_t; typedef __qdf_nbuf_queue_t qdf_nbuf_queue_t;
/** /*
* This is the length for radiotap, combined length * This is the length for radiotap, combined length
* (Mandatory part struct ieee80211_radiotap_header + RADIOTAP_HEADER_LEN) * (Mandatory part struct ieee80211_radiotap_header + RADIOTAP_HEADER_LEN)
* cannot be more than available headroom_sz. * cannot be more than available headroom_sz.
@@ -352,9 +352,9 @@ typedef __qdf_nbuf_queue_t qdf_nbuf_queue_t;
* @vht_flag_values3: VHT flag value 3 * @vht_flag_values3: VHT flag value 3
* @vht_flag_values4: VHT flag value 4 * @vht_flag_values4: VHT flag value 4
* @vht_flag_values5: VHT flag value 5 * @vht_flag_values5: VHT flag value 5
* @he_sig_b_common_RU[4]: HE (11ax) common RU assignment index * @he_sig_b_common_RU: HE (11ax) common RU assignment index
* @rssi_comb: Combined RSSI * @rssi_comb: Combined RSSI
* @rssi[MAX_CHAIN]: 8 bits RSSI per 20Mhz per chain * @rssi: 8 bits RSSI per 20 MHz per chain
* @duration: 802.11 Duration * @duration: 802.11 Duration
* @frame_control: frame control field * @frame_control: frame control field
* @ast_index: AST table hash index * @ast_index: AST table hash index
@@ -365,12 +365,14 @@ typedef __qdf_nbuf_queue_t qdf_nbuf_queue_t;
* @he_per_user_known: HE per user known info * @he_per_user_known: HE per user known info
* @he_flags1: HE flags * @he_flags1: HE flags
* @he_flags2: HE flags * @he_flags2: HE flags
* @he_RU[4]: HE RU assignment index * @he_RU: HE RU assignment index
* @he_data1: HE property of received frame * @he_data1: HE property of received frame
* @he_data2: HE property of received frame * @he_data2: HE property of received frame
* @he_data3: HE property of received frame * @he_data3: HE property of received frame
* @he_data4: HE property of received frame * @he_data4: HE property of received frame
* @he_data5: HE property of received frame * @he_data5: HE property of received frame
* @he_data6: HE property of received frame
* @ppdu_len: PPDU length
* @prev_ppdu_id: ppdu_id in previously received message * @prev_ppdu_id: ppdu_id in previously received message
* @ppdu_id: Id of the PLCP protocol data unit * @ppdu_id: Id of the PLCP protocol data unit
* *
@@ -555,16 +557,21 @@ struct mon_rx_status {
* @frame_control_info_valid: field indicates if fc value is valid * @frame_control_info_valid: field indicates if fc value is valid
* @frame_control: frame control field * @frame_control: frame control field
* @data_sequence_control_info_valid: field to indicate validity of seq control * @data_sequence_control_info_valid: field to indicate validity of seq control
* @ba_bitmap_sz: blockack bitmap size
* @filter_category: mpdu filter category * @filter_category: mpdu filter category
* @tcp_msdu_count: tcp protocol msdu count * @tcp_msdu_count: tcp protocol msdu count
* @udp_msdu_count: udp protocol msdu count * @udp_msdu_count: udp protocol msdu count
* @other_msdu_count: other protocol msdu count * @other_msdu_count: other protocol msdu count
* @first_data_seq_ctrl: Sequence ctrl field of first data frame * @first_data_seq_ctrl: Sequence ctrl field of first data frame
* @duration: 802.11 Duration * @duration: 802.11 Duration
* @vht_flag_values1-5: Contains corresponding data for flags field * @vht_flag_values2: Contains corresponding data for flags field
* @vht_flag_values3: Contains corresponding data for flags field
* @vht_flag_values4: Contains corresponding data for flags field
* @vht_flag_values5: Contains corresponding data for flags field
* @vht_flag_values6: Contains corresponding data for flags field
* @he_flags1: HE flags * @he_flags1: HE flags
* @he_flags2: HE flags * @he_flags2: HE flags
* @he_RU[4]: HE RU assignment index * @he_RU: HE RU assignment index
* @he_data1: HE property of received frame * @he_data1: HE property of received frame
* @he_data2: HE property of received frame * @he_data2: HE property of received frame
* @he_data3: HE property of received frame * @he_data3: HE property of received frame
@@ -666,6 +673,7 @@ struct qdf_radiotap_vendor_ns {
* struct qdf_radiotap_vendor_ns_ath - Combined QTI Vendor NS * struct qdf_radiotap_vendor_ns_ath - Combined QTI Vendor NS
* including the Radiotap specified Vendor Namespace header and * including the Radiotap specified Vendor Namespace header and
* QTI specific Vendor Namespace data * QTI specific Vendor Namespace data
* @hdr: radiotap vendor namespace header
* @lsig: L_SIG_A (or L_SIG) * @lsig: L_SIG_A (or L_SIG)
* @device_id: Device Identification * @device_id: Device Identification
* @lsig_b: L_SIG_B * @lsig_b: L_SIG_B
@@ -682,11 +690,12 @@ struct qdf_radiotap_vendor_ns_ath {
/** /**
* struct qdf_radiotap_ext2 - radiotap ext2 fields * struct qdf_radiotap_ext2 - radiotap ext2 fields
* ppdu_id: ppdu_id of current msdu * @ppdu_id: ppdu_id of current msdu
* prev_ppdu_id: ppdu_id of previous msdu * @prev_ppdu_id: ppdu_id of previous msdu
* tid: tid number of previous msdu * @tid: tid number of previous msdu
* start_seq: start sequence of previous msdu * @reserved: reserved bits
* ba_bitmap: block ack bitmap of previous msdu * @start_seq: start sequence of previous msdu
* @ba_bitmap: block ack bitmap of previous msdu
*/ */
struct qdf_radiotap_ext2 { struct qdf_radiotap_ext2 {
uint32_t ppdu_id; uint32_t ppdu_id;
@@ -1025,14 +1034,15 @@ struct qdf_radiotap_ext2 {
/** /**
* enum qdf_proto_type - protocol type * enum qdf_proto_type - protocol type
* @QDF_PROTO_TYPE_DHCP - DHCP * @QDF_PROTO_TYPE_DHCP: DHCP
* @QDF_PROTO_TYPE_EAPOL - EAPOL * @QDF_PROTO_TYPE_EAPOL: EAPOL
* @QDF_PROTO_TYPE_ARP - ARP * @QDF_PROTO_TYPE_ARP: ARP
* @QDF_PROTO_TYPE_MGMT - MGMT * @QDF_PROTO_TYPE_MGMT: MGMT
* @QDF_PROTO_TYPE_ICMP - ICMP * @QDF_PROTO_TYPE_ICMP: ICMP
* @QDF_PROTO_TYPE_ICMPv6 - ICMPv6 * @QDF_PROTO_TYPE_ICMPv6: ICMPv6
* @QDF_PROTO_TYPE_EVENT - EVENT * @QDF_PROTO_TYPE_EVENT: EVENT
* @QDF_PROTO_TYPE_DNS - DNS * @QDF_PROTO_TYPE_DNS: DNS
* @QDF_PROTO_TYPE_MAX: Max enumeration
*/ */
enum qdf_proto_type { enum qdf_proto_type {
QDF_PROTO_TYPE_DHCP, QDF_PROTO_TYPE_DHCP,
@@ -1047,11 +1057,11 @@ enum qdf_proto_type {
}; };
/** /**
* qdf_reception_type - reception type used by lithium phy TLV * enum qdf_reception_type - reception type used by lithium phy TLV
* @QDF_RECEPTION_TYPE_ULOFMDA - UL OFDMA * @QDF_RECEPTION_TYPE_ULOFMDA: UL OFDMA
* @QDF_RECEPTION_TYPE_ULMIMO - UL MIMO * @QDF_RECEPTION_TYPE_ULMIMO: UL MIMO
* @QQDF_RECEPTION_TYPE_FRAMELESS - Frame less * @QDF_RECEPTION_TYPE_FRAMELESS: Frame less
* @QDF_RECEPTION_TYPE_OTHER - All the other types * @QDF_RECEPTION_TYPE_OTHER: All the other types
*/ */
enum qdf_reception_type { enum qdf_reception_type {
QDF_RECEPTION_TYPE_ULOFMDA, QDF_RECEPTION_TYPE_ULOFMDA,
@@ -1061,19 +1071,19 @@ enum qdf_reception_type {
}; };
/** /**
* cb_ftype - Frame type information in skb cb * enum cb_ftype - Frame type information in skb cb
* @CB_FTYPE_INVALID - Invalid * @CB_FTYPE_INVALID: Invalid
* @CB_FTYPE_MCAST2UCAST - Multicast to Unicast converted packet * @CB_FTYPE_MCAST2UCAST: Multicast to Unicast converted packet
* @CB_FTYPE_TSO - TCP Segmentation Offload * @CB_FTYPE_TSO: TCP Segmentation Offload
* @CB_FTYPE_TSO_SG - TSO Scatter Gather * @CB_FTYPE_TSO_SG: TSO Scatter Gather
* @CB_FTYPE_SG - Scatter Gather * @CB_FTYPE_SG: Scatter Gather
* @CB_FTYPE_INTRABSS_FWD - Intra BSS forwarding * @CB_FTYPE_INTRABSS_FWD: Intra BSS forwarding
* @CB_FTYPE_RX_INFO - Rx information * @CB_FTYPE_RX_INFO: Rx information
* @CB_FTYPE_MESH_RX_INFO - Mesh Rx information * @CB_FTYPE_MESH_RX_INFO: Mesh Rx information
* @CB_FTYPE_MESH_TX_INFO - Mesh Tx information * @CB_FTYPE_MESH_TX_INFO: Mesh Tx information
* @CB_FTYPE_DMS - Directed Multicast Service * @CB_FTYPE_DMS: Directed Multicast Service
* @CB_FTYPE_SAWF - SAWF information * @CB_FTYPE_SAWF: SAWF information
* @CB_FTYPE_MLO_MCAST - MLO MCAST enable information * @CB_FTYPE_MLO_MCAST: MLO MCAST enable information
*/ */
enum cb_ftype { enum cb_ftype {
CB_FTYPE_INVALID = 0, CB_FTYPE_INVALID = 0,
@@ -1091,12 +1101,12 @@ enum cb_ftype {
}; };
/** /**
* @qdf_nbuf_t - Platform independent packet abstraction * typedef qdf_nbuf_t - Platform independent packet abstraction
*/ */
typedef __qdf_nbuf_t qdf_nbuf_t; typedef __qdf_nbuf_t qdf_nbuf_t;
/** /**
* @qdf_nbuf_shared_info_t- Platform independent shared info * typedef qdf_nbuf_shared_info_t - Platform independent shared info
*/ */
typedef __qdf_nbuf_shared_info_t qdf_nbuf_shared_info_t; typedef __qdf_nbuf_shared_info_t qdf_nbuf_shared_info_t;
@@ -1157,7 +1167,10 @@ typedef struct qdf_nbuf_track_t QDF_NBUF_TRACK;
typedef __qdf_nbuf_queue_head_t qdf_nbuf_queue_head_t; typedef __qdf_nbuf_queue_head_t qdf_nbuf_queue_head_t;
/** /**
* @qdf_dma_map_cb_t - Dma map callback prototype * typedef qdf_dma_map_cb_t() - Dma map callback prototype
* @arg: callback context
* @buf: netbuf
* @dmap: DMA map
*/ */
typedef void (*qdf_dma_map_cb_t)(void *arg, qdf_nbuf_t buf, typedef void (*qdf_dma_map_cb_t)(void *arg, qdf_nbuf_t buf,
qdf_dma_map_t dmap); qdf_dma_map_t dmap);
@@ -1885,7 +1898,7 @@ static inline uint8_t qdf_nbuf_get_tid_val(qdf_nbuf_t buf)
} }
/** /**
* qdf_nbuf_set_frag_list() - set frag list bit * qdf_nbuf_set_is_frag() - set frag list bit
* @buf: Network buffer * @buf: Network buffer
* @val: 0/1 * @val: 0/1
* *
@@ -1897,7 +1910,7 @@ static inline void qdf_nbuf_set_is_frag(qdf_nbuf_t buf, uint8_t val)
} }
/** /**
* qdf_nbuf_is_sa_valid() - get da frag list bit * qdf_nbuf_is_frag() - get da frag list bit
* @buf: Network buffer * @buf: Network buffer
* *
* Return: integer value - 0/1 * Return: integer value - 0/1
@@ -1986,7 +1999,7 @@ qdf_nbuf_dma_map_info(qdf_dma_map_t bmap, qdf_dmamap_info_t *sg)
/** /**
* qdf_nbuf_is_tso() - is the network buffer a jumbo packet? * qdf_nbuf_is_tso() - is the network buffer a jumbo packet?
* @buf: Network buffer * @nbuf: Network buffer
* *
* Return: 1 - this is a jumbo packet 0 - not a jumbo packet * Return: 1 - this is a jumbo packet 0 - not a jumbo packet
*/ */
@@ -2078,27 +2091,70 @@ enum qdf_nbuf_event_type {
QDF_NBUF_SMMU_UNMAP, QDF_NBUF_SMMU_UNMAP,
}; };
/**
* qdf_net_buf_debug_init() - initialize network buffer debug functionality
*
* QDF network buffer debug feature tracks all SKBs allocated by WLAN driver
* in a hash table and when driver is unloaded it reports about leaked SKBs.
* WLAN driver module whose allocated SKB is freed by network stack are
* suppose to call qdf_net_buf_debug_release_skb() such that the SKB is not
* reported as memory leak.
*
* Return: none
*/
void qdf_net_buf_debug_init(void); void qdf_net_buf_debug_init(void);
/**
* qdf_net_buf_debug_exit() - exit network buffer debug functionality
*
* Exit network buffer tracking debug functionality and log SKB memory leaks
* As part of exiting the functionality, free the leaked memory and
* cleanup the tracking buffers.
*
* Return: none
*/
void qdf_net_buf_debug_exit(void); void qdf_net_buf_debug_exit(void);
void qdf_net_buf_debug_clean(void); void qdf_net_buf_debug_clean(void);
void qdf_nbuf_history_add(qdf_nbuf_t nbuf, const char *func, uint32_t line, void qdf_nbuf_history_add(qdf_nbuf_t nbuf, const char *func, uint32_t line,
enum qdf_nbuf_event_type type); enum qdf_nbuf_event_type type);
/**
* qdf_net_buf_debug_add_node() - store skb in debug hash table
* @net_buf: network buffer
* @size: buffer size
* @func_name: function name that requests for mapping the nbuf
* @line_num: function line number
*
* Return: none
*/
void qdf_net_buf_debug_add_node(qdf_nbuf_t net_buf, size_t size, void qdf_net_buf_debug_add_node(qdf_nbuf_t net_buf, size_t size,
const char *func_name, uint32_t line_num); const char *func_name, uint32_t line_num);
/** /**
* qdf_net_buf_debug_update_node() - update nbuf in debug hash table * qdf_net_buf_debug_update_node() - update nbuf in debug hash table
* @net_buf: network buffer
* @func_name: function name that requests for mapping the nbuf
* @line_num: function line number
* *
* Return: none * Return: none
*/ */
void qdf_net_buf_debug_update_node(qdf_nbuf_t net_buf, const char *func_name, void qdf_net_buf_debug_update_node(qdf_nbuf_t net_buf, const char *func_name,
uint32_t line_num); uint32_t line_num);
/**
* qdf_net_buf_debug_delete_node() - remove skb from debug hash table
* @net_buf: network buffer
*
* Return: none
*/
void qdf_net_buf_debug_delete_node(qdf_nbuf_t net_buf); void qdf_net_buf_debug_delete_node(qdf_nbuf_t net_buf);
/** /**
* qdf_net_buf_debug_update_map_node() - update nbuf in debug * qdf_net_buf_debug_update_map_node() - update nbuf in debug
* hash table with the mapping function info * hash table with the mapping function info
* @nbuf: network buffer * @net_buf: network buffer
* @func: function name that requests for mapping the nbuf * @func_name: function name that requests for mapping the nbuf
* @line_num: function line number * @line_num: function line number
* *
* Return: none * Return: none
@@ -2155,8 +2211,8 @@ void qdf_net_buf_debug_update_smmu_unmap_node(qdf_nbuf_t nbuf,
/** /**
* qdf_net_buf_debug_update_unmap_node() - update nbuf in debug * qdf_net_buf_debug_update_unmap_node() - update nbuf in debug
* hash table with the unmap function info * hash table with the unmap function info
* @nbuf: network buffer * @net_buf: network buffer
* @func: function name that requests for unmapping the nbuf * @func_name: function name that requests for unmapping the nbuf
* @line_num: function line number * @line_num: function line number
* *
* Return: none * Return: none
@@ -2180,6 +2236,17 @@ void qdf_net_buf_debug_update_unmap_node(qdf_nbuf_t net_buf,
void qdf_net_buf_debug_acquire_skb(qdf_nbuf_t net_buf, void qdf_net_buf_debug_acquire_skb(qdf_nbuf_t net_buf,
const char *func_name, const char *func_name,
uint32_t line_num); uint32_t line_num);
/**
* qdf_net_buf_debug_release_skb() - release skb to avoid memory leak
* @net_buf: Network buf holding head segment (single)
*
* WLAN driver module whose allocated SKB is freed by network stack are
* suppose to call this API before returning SKB to network stack such
* that the SKB is not reported as memory leak.
*
* Return: none
*/
void qdf_net_buf_debug_release_skb(qdf_nbuf_t net_buf); void qdf_net_buf_debug_release_skb(qdf_nbuf_t net_buf);
/* nbuf allocation routines */ /* nbuf allocation routines */
@@ -2199,6 +2266,20 @@ qdf_nbuf_t qdf_nbuf_alloc_debug(qdf_device_t osdev, qdf_size_t size,
* @size: Size to be allocated for skb * @size: Size to be allocated for skb
* @reserve: Reserved headroom size * @reserve: Reserved headroom size
* @align: Align * @align: Align
*
* This API allocates skb of required size and aligns if needed and reserves
* some space in the front. This skb allocation is not from skb recycler pool.
*
* Return: Allocated nbuf pointer
*/
#define qdf_nbuf_alloc_no_recycler(size, reserve, align) \
qdf_nbuf_alloc_no_recycler_debug(size, reserve, align, __func__, __LINE__)
/**
* qdf_nbuf_alloc_no_recycler_debug() - Allocates skb
* @size: Size to be allocated for skb
* @reserve: Reserved headroom size
* @align: Align
* @func: Function name of the call site * @func: Function name of the call site
* @line: Line number of the callsite * @line: Line number of the callsite
* *
@@ -2207,9 +2288,6 @@ qdf_nbuf_t qdf_nbuf_alloc_debug(qdf_device_t osdev, qdf_size_t size,
* *
* Return: Allocated nbuf pointer * Return: Allocated nbuf pointer
*/ */
#define qdf_nbuf_alloc_no_recycler(s, r, a) \
qdf_nbuf_alloc_no_recycler_debug(s, r, a, __func__, __LINE__)
qdf_nbuf_t qdf_nbuf_alloc_no_recycler_debug(size_t size, int reserve, int align, qdf_nbuf_t qdf_nbuf_alloc_no_recycler_debug(size_t size, int reserve, int align,
const char *func, uint32_t line); const char *func, uint32_t line);
#define qdf_nbuf_free(d) \ #define qdf_nbuf_free(d) \
@@ -2282,23 +2360,23 @@ qdf_nbuf_copy_expand_debug(qdf_nbuf_t buf, int headroom, int tailroom,
* Return: New nbuf which is a copy of the received nbuf if it is cloned, * Return: New nbuf which is a copy of the received nbuf if it is cloned,
* else, return the original nbuf * else, return the original nbuf
*/ */
#define qdf_nbuf_unshare(d) \ #define qdf_nbuf_unshare(buf) \
qdf_nbuf_unshare_debug(d, __func__, __LINE__) qdf_nbuf_unshare_debug(buf, __func__, __LINE__)
qdf_nbuf_t qdf_nbuf_t
qdf_nbuf_unshare_debug(qdf_nbuf_t buf, const char *func_name, qdf_nbuf_unshare_debug(qdf_nbuf_t buf, const char *func_name,
uint32_t line_num); uint32_t line_num);
/** /**
* qdf_nbuf_kfree_list() - Free nbuf list using kfree * qdf_nbuf_dev_kfree_list() - Free nbuf list using kfree
* @buf: Pointer to network buffer head * @buf: Pointer to network buffer head
* *
* This function is called to free the nbuf list on failure cases * This function is called to free the nbuf list on failure cases
* *
* Return: None * Return: None
*/ */
#define qdf_nbuf_dev_kfree_list(d) \ #define qdf_nbuf_dev_kfree_list(buf) \
qdf_nbuf_dev_kfree_list_debug(d, __func__, __LINE__) qdf_nbuf_dev_kfree_list_debug(buf, __func__, __LINE__)
void void
qdf_nbuf_dev_kfree_list_debug(qdf_nbuf_queue_head_t *nbuf_queue_head, qdf_nbuf_dev_kfree_list_debug(qdf_nbuf_queue_head_t *nbuf_queue_head,
@@ -2435,8 +2513,8 @@ static inline qdf_nbuf_t qdf_nbuf_unshare(qdf_nbuf_t buf)
} }
/** /**
* qdf_nbuf_kfree_list() - Free nbuf list using kfree * qdf_nbuf_dev_kfree_list() - Free nbuf list using kfree
* @buf: Pointer to network buffer head * @nbuf_queue_head: Pointer to buffer list head
* *
* This function is called to free the nbuf list on failure cases * This function is called to free the nbuf list on failure cases
* *
@@ -2457,7 +2535,7 @@ qdf_nbuf_dev_kfree_list(qdf_nbuf_queue_head_t *nbuf_queue_head)
/** /**
* qdf_nbuf_dev_queue_head() - Queue a buffer at the list head * qdf_nbuf_dev_queue_head() - Queue a buffer at the list head
* @nbuf_queue_head: Pointer to buffer list head * @nbuf_queue_head: Pointer to buffer list head
* @buff: Pointer to network buffer head * @buf: Pointer to network buffer head
* *
* This function is called to queue a buffer at the list head * This function is called to queue a buffer at the list head
* *
@@ -2522,8 +2600,8 @@ qdf_nbuf_copy_expand_fraglist(qdf_nbuf_t buf, int headroom,
#ifdef WLAN_FEATURE_FASTPATH #ifdef WLAN_FEATURE_FASTPATH
/** /**
* qdf_nbuf_init_fast() - before put buf into pool,turn it to init state * qdf_nbuf_init_fast() - before put buf into pool,turn it to init state
* @nbuf: buf instance
* *
* @buf: buf instance
* Return: data pointer of this buf where new data has to be * Return: data pointer of this buf where new data has to be
* put, or NULL if there is not enough room in this buf. * put, or NULL if there is not enough room in this buf.
*/ */
@@ -2531,12 +2609,11 @@ void qdf_nbuf_init_fast(qdf_nbuf_t nbuf);
#endif /* WLAN_FEATURE_FASTPATH */ #endif /* WLAN_FEATURE_FASTPATH */
/** /**
* @qdf_nbuf_list_free() - free a list of nbufs * qdf_nbuf_list_free() - free a list of nbufs
* @buf_list: A list of nbufs to be freed * @buf_list: A list of nbufs to be freed
* *
* Return: none * Return: none
*/ */
static inline void qdf_nbuf_list_free(qdf_nbuf_t buf_list) static inline void qdf_nbuf_list_free(qdf_nbuf_t buf_list)
{ {
while (buf_list) { while (buf_list) {
@@ -2567,8 +2644,8 @@ static inline QDF_STATUS qdf_nbuf_cat(qdf_nbuf_t dst, qdf_nbuf_t src)
} }
/** /**
* @qdf_nbuf_copy_bits() - return the length of the copy bits for skb * qdf_nbuf_copy_bits() - return the length of the copy bits for skb
* @skb: SKB pointer * @nbuf: netbuf
* @offset: offset * @offset: offset
* @len: Length * @len: Length
* @to: To * @to: To
@@ -2585,7 +2662,7 @@ qdf_nbuf_copy_bits(qdf_nbuf_t nbuf, uint32_t offset, uint32_t len, void *to)
/* nbuf manipulation routines */ /* nbuf manipulation routines */
/** /**
* @qdf_nbuf_head() - return the address of an nbuf's buffer * qdf_nbuf_head() - return the address of an nbuf's buffer
* @buf: netbuf * @buf: netbuf
* *
* Return: head address * Return: head address
@@ -2704,7 +2781,7 @@ static inline qdf_size_t qdf_nbuf_len(qdf_nbuf_t buf)
/** /**
* qdf_nbuf_set_pktlen() - set the length of the buf * qdf_nbuf_set_pktlen() - set the length of the buf
* @buf: Network buf instance * @buf: Network buf instance
* @size: Size to be set * @len: Size to be set
* *
* Return: none * Return: none
*/ */
@@ -2790,7 +2867,7 @@ static inline void qdf_nbuf_reset(qdf_nbuf_t buf, int reserve, int align)
} }
/** /**
* qdf_nbuf_dev_scratch_is_supported() - dev_scratch support for network buffer * qdf_nbuf_is_dev_scratch_supported() - dev_scratch support for network buffer
* in kernel * in kernel
* *
* Return: true if dev_scratch is supported * Return: true if dev_scratch is supported
@@ -2827,7 +2904,7 @@ static inline void qdf_nbuf_set_dev_scratch(qdf_nbuf_t buf, unsigned long value)
/** /**
* qdf_nbuf_set_dev() - set dev in network buffer * qdf_nbuf_set_dev() - set dev in network buffer
* @buf: Pointer to network buffer * @nbuf: Pointer to network buffer
* @dev: netdev to be set in network buffer * @dev: netdev to be set in network buffer
* *
* Return: void * Return: void
@@ -2840,7 +2917,7 @@ void qdf_nbuf_set_dev(qdf_nbuf_t nbuf, qdf_netdev_t dev)
/** /**
* qdf_nbuf_get_dev_mtu() - get dev mtu in n/w buffer * qdf_nbuf_get_dev_mtu() - get dev mtu in n/w buffer
* @buf: Pointer to network buffer * @nbuf: Pointer to network buffer
* *
* Return: dev mtu value in nbuf * Return: dev mtu value in nbuf
*/ */
@@ -2852,7 +2929,7 @@ unsigned int qdf_nbuf_get_dev_mtu(qdf_nbuf_t nbuf)
/** /**
* qdf_nbuf_set_protocol_eth_tye_trans() - set protocol using eth trans os API * qdf_nbuf_set_protocol_eth_tye_trans() - set protocol using eth trans os API
* @buf: Pointer to network buffer * @nbuf: Pointer to network buffer
* *
* Return: None * Return: None
*/ */
@@ -2959,7 +3036,7 @@ static inline qdf_nbuf_t qdf_nbuf_queue_next(qdf_nbuf_t buf)
} }
/** /**
* @qdf_nbuf_is_queue_empty() - check if the buf queue is empty * qdf_nbuf_is_queue_empty() - check if the buf queue is empty
* @nbq: Network buf queue handle * @nbq: Network buf queue handle
* *
* Return: true if queue is empty * Return: true if queue is empty
@@ -3267,7 +3344,7 @@ qdf_nbuf_get_dhcp_subtype(qdf_nbuf_t buf)
/** /**
* qdf_nbuf_data_get_dhcp_subtype() - get the subtype * qdf_nbuf_data_get_dhcp_subtype() - get the subtype
* of DHCP packet. * of DHCP packet.
* @buf: Pointer to DHCP packet data buffer * @data: Pointer to DHCP packet data buffer
* *
* This func. returns the subtype of DHCP packet. * This func. returns the subtype of DHCP packet.
* *
@@ -3564,8 +3641,8 @@ bool qdf_nbuf_data_is_ipv4_dhcp_pkt(uint8_t *data)
} }
/** /**
* qdf_nbuf_data_is_ipv6_mdsn_pkt() - check if it is MDNS packet. * qdf_nbuf_is_ipv6_mdns_pkt() - check if it is MDNS packet.
* @data: Pointer to packet data buffer * @buf: Pointer to packet data buffer
* *
* This func. checks whether it is a MDNS packet or not. * This func. checks whether it is a MDNS packet or not.
* *
@@ -3578,8 +3655,8 @@ bool qdf_nbuf_is_ipv6_mdns_pkt(qdf_nbuf_t buf)
} }
/** /**
* qdf_nbuf_data_is_ipv6_dhcp_pkt() - check if it is DHCP packet. * qdf_nbuf_is_ipv6_dhcp_pkt() - check if it is DHCP packet.
* @data: Pointer to DHCP packet data buffer * @buf: Pointer to DHCP packet data buffer
* *
* This func. checks whether it is a DHCP packet or not. * This func. checks whether it is a DHCP packet or not.
* *
@@ -3763,7 +3840,7 @@ bool qdf_nbuf_data_is_arp_rsp(qdf_nbuf_t buf)
} }
/** /**
* qdf_nbuf_data_get_arp_src_ip() - get ARP packet source IP gateway. * qdf_nbuf_get_arp_src_ip() - get ARP packet source IP gateway.
* @buf: buffer * @buf: buffer
* *
* Return: ARP packet source IP value. * Return: ARP packet source IP value.
@@ -3775,7 +3852,7 @@ uint32_t qdf_nbuf_get_arp_src_ip(qdf_nbuf_t buf)
} }
/** /**
* qdf_nbuf_data_get_arp_tgt_ip() - get ARP packet target IP gateway. * qdf_nbuf_get_arp_tgt_ip() - get ARP packet target IP gateway.
* @buf: buffer * @buf: buffer
* *
* Return: ARP packet target IP value. * Return: ARP packet target IP value.
@@ -3973,7 +4050,7 @@ uint32_t qdf_nbuf_get_icmpv4_src_ip(qdf_nbuf_t buf)
} }
/** /**
* qdf_nbuf_data_get_icmpv4_tgt_ip() - get icmpv4 target IP * qdf_nbuf_get_icmpv4_tgt_ip() - get icmpv4 target IP
* @buf: buffer * @buf: buffer
* *
* Return: icmpv4 packet target IP value. * Return: icmpv4 packet target IP value.
@@ -4328,7 +4405,7 @@ void qdf_nbuf_set_priority_pkt_type(qdf_nbuf_t nbuf, uint8_t pkt_type)
/** /**
* qdf_nbuf_remove_priority_pkt_type() - Remove the packet type bits * qdf_nbuf_remove_priority_pkt_type() - Remove the packet type bits
* from priority * from priority
* @@nbuf: pointer to network buffer * @nbuf: pointer to network buffer
* *
* Return: none * Return: none
*/ */
@@ -4382,6 +4459,9 @@ static inline void qdf_nbuf_reset_num_frags(qdf_nbuf_t buf)
/** /**
* qdf_dmaaddr_to_32s - return high and low parts of dma_addr * qdf_dmaaddr_to_32s - return high and low parts of dma_addr
* @dmaaddr: DMA address
* @lo: low 32-bits of @dmaaddr
* @hi: high 32-bits of @dmaaddr
* *
* Returns the high and low 32-bits of the DMA addr in the provided ptrs * Returns the high and low 32-bits of the DMA addr in the provided ptrs
* *
@@ -4395,10 +4475,11 @@ static inline void qdf_dmaaddr_to_32s(qdf_dma_addr_t dmaaddr,
/** /**
* qdf_nbuf_get_tso_info() - function to divide a jumbo TSO * qdf_nbuf_get_tso_info() - function to divide a jumbo TSO
* network buffer into segments * network buffer into segments
* @osdev: qdf device handle
* @nbuf: network buffer to be segmented * @nbuf: network buffer to be segmented
* @tso_info: This is the output. The information about the * @tso_info: This is the output. The information about the
* TSO segments will be populated within this. * TSO segments will be populated within this.
* *
* This function fragments a TCP jumbo packet into smaller * This function fragments a TCP jumbo packet into smaller
* segments to be transmitted by the driver. It chains the TSO * segments to be transmitted by the driver. It chains the TSO
@@ -4445,7 +4526,7 @@ static inline size_t qdf_nbuf_get_tcp_payload_len(qdf_nbuf_t nbuf)
* @nbuf: TSO jumbo network buffer to be segmented * @nbuf: TSO jumbo network buffer to be segmented
* *
* This function calculates the number of TCP segments that the * This function calculates the number of TCP segments that the
network buffer can be divided into. * network buffer can be divided into.
* *
* Return: number of TCP segments * Return: number of TCP segments
*/ */
@@ -4455,8 +4536,7 @@ static inline uint32_t qdf_nbuf_get_tso_num_seg(qdf_nbuf_t nbuf)
} }
/** /**
* qdf_nbuf_get_gso_segs() - Return the number of gso segments in * qdf_nbuf_get_gso_segs() - Return the number of gso segments in nbuf
* nbuf
* @nbuf: Network buffer * @nbuf: Network buffer
* *
* Return: number of gso segments in nbuf * Return: number of gso segments in nbuf
@@ -4467,8 +4547,7 @@ static inline uint16_t qdf_nbuf_get_gso_segs(qdf_nbuf_t nbuf)
} }
/** /**
* qdf_nbuf_set_gso_segs() - set the number of gso segments in * qdf_nbuf_set_gso_segs() - set the number of gso segments in nbuf
* nbuf
* @nbuf: Network buffer * @nbuf: Network buffer
* @val: val to be set * @val: val to be set
* *
@@ -4502,8 +4581,7 @@ static inline void qdf_nbuf_set_ip_summed_partial(qdf_nbuf_t nbuf)
} }
/** /**
* qdf_nbuf_get_gso_size() - Return the number of gso size in * qdf_nbuf_get_gso_size() - Return the number of gso size in nbuf
* nbuf
* @nbuf: Network buffer * @nbuf: Network buffer
* *
* Return: number of gso segments in nbuf * Return: number of gso segments in nbuf
@@ -4515,9 +4593,10 @@ static inline unsigned int qdf_nbuf_get_gso_size(qdf_nbuf_t nbuf)
/** /**
* qdf_nbuf_set_gso_size() - Set the gso size in nbuf * qdf_nbuf_set_gso_size() - Set the gso size in nbuf
* @skb: Pointer to network buffer * @nbuf: Pointer to network buffer
* @val: number of gso segments in nbuf
* *
* Return: Return the number of gso segments * Return: None
*/ */
static inline void qdf_nbuf_set_gso_size(qdf_nbuf_t nbuf, unsigned int val) static inline void qdf_nbuf_set_gso_size(qdf_nbuf_t nbuf, unsigned int val)
{ {
@@ -4526,8 +4605,7 @@ static inline void qdf_nbuf_set_gso_size(qdf_nbuf_t nbuf, unsigned int val)
/** /**
* qdf_nbuf_inc_users() - function to increment the number of * qdf_nbuf_inc_users() - function to increment the number of
* users referencing this network buffer * users referencing this network buffer
*
* @nbuf: network buffer * @nbuf: network buffer
* *
* This function increments the number of users referencing this * This function increments the number of users referencing this
@@ -4542,8 +4620,7 @@ static inline qdf_nbuf_t qdf_nbuf_inc_users(qdf_nbuf_t nbuf)
/** /**
* qdf_nbuf_data_attr_get() - Get data_attr field from cvg_nbuf_cb * qdf_nbuf_data_attr_get() - Get data_attr field from cvg_nbuf_cb
* * @buf: Network buffer (skb on linux)
* @nbuf: Network buffer (skb on linux)
* *
* This function returns the values of data_attr field * This function returns the values of data_attr field
* in struct cvg_nbuf_cb{}, to which skb->cb is typecast. * in struct cvg_nbuf_cb{}, to which skb->cb is typecast.
@@ -4558,8 +4635,7 @@ static inline uint32_t qdf_nbuf_data_attr_get(qdf_nbuf_t buf)
/** /**
* qdf_nbuf_data_attr_set() - Sets data_attr field in cvg_nbuf_cb * qdf_nbuf_data_attr_set() - Sets data_attr field in cvg_nbuf_cb
* * @buf: Network buffer (skb on linux)
* @nbuf: Network buffer (skb on linux)
* @data_attr: Value to be stored cvg_nbuf_cb->data_attr * @data_attr: Value to be stored cvg_nbuf_cb->data_attr
* *
* This function stores the value to be programmed in CE * This function stores the value to be programmed in CE
@@ -4575,8 +4651,15 @@ void qdf_nbuf_data_attr_set(qdf_nbuf_t buf, uint32_t data_attr)
/** /**
* qdf_nbuf_tx_info_get() - Parse skb and get Tx metadata * qdf_nbuf_tx_info_get() - Parse skb and get Tx metadata
* * @nbuf: Network buffer
* @nbuf: Network buffer (skb on linux) * @pkt_type: Pkt type (from enum htt_pkt_type)
* @pkt_subtype: Bit 4 of this field in HTT descriptor
* needs to be set in case of CE classification support
* Is set by this macro.
* @hw_classify: This is a flag which is set to indicate
* CE classification is enabled.
* Do not set this bit for VLAN packets
* OR for mcast / bcast frames.
* *
* This function parses the payload to figure out relevant * This function parses the payload to figure out relevant
* Tx meta-data e.g. whether to enable tx_classify bit * Tx meta-data e.g. whether to enable tx_classify bit
@@ -4584,10 +4667,34 @@ void qdf_nbuf_data_attr_set(qdf_nbuf_t buf, uint32_t data_attr)
* *
* Return: void * Return: void
*/ */
#define qdf_nbuf_tx_info_get __qdf_nbuf_tx_info_get #define qdf_nbuf_tx_info_get(nbuf, pkt_type, pkt_subtype, hw_classify) \
__qdf_nbuf_tx_info_get(nbuf, pkt_type, \
pkt_subtype, hw_classify)
/**
* qdf_nbuf_set_state() - Updates the packet state
* @nbuf: network buffer
* @current_state : layer at which the packet currently is
*
* This function updates the packet state to the layer at which the packet
* currently is
*
* Return: none
*/
void qdf_nbuf_set_state(qdf_nbuf_t nbuf, uint8_t current_state); void qdf_nbuf_set_state(qdf_nbuf_t nbuf, uint8_t current_state);
/**
* qdf_nbuf_tx_desc_count_display() - Displays the packet counter
*
* Return: none
*/
void qdf_nbuf_tx_desc_count_display(void); void qdf_nbuf_tx_desc_count_display(void);
/**
* qdf_nbuf_tx_desc_count_clear() - Clears packet counter for both data, mgmt
*
* Return: none
*/
void qdf_nbuf_tx_desc_count_clear(void); void qdf_nbuf_tx_desc_count_clear(void);
static inline qdf_nbuf_t static inline qdf_nbuf_t
@@ -4706,7 +4813,7 @@ static inline qdf_size_t qdf_nbuf_l2l3l4_hdr_len(qdf_nbuf_t buf)
/** /**
* qdf_nbuf_get_tcp_hdr_len() - return TCP header length of the skb * qdf_nbuf_get_tcp_hdr_len() - return TCP header length of the skb
* @skb: sk buff * @nbuf: sk buff
* *
* Return: size of TCP header length * Return: size of TCP header length
*/ */
@@ -4841,7 +4948,7 @@ static inline void qdf_nbuf_mod_init(void)
} }
/** /**
* qdf_nbuf_mod_init() - Unintialization routine for qdf_nbuf * qdf_nbuf_mod_exit() - Unintialization routine for qdf_nbuf
* *
* Return void * Return void
*/ */
@@ -5450,6 +5557,7 @@ static inline void qdf_set_smmu_fault_state(bool smmu_fault_state)
* Return: void * Return: void
*/ */
void qdf_nbuf_stop_replenish_timer(void); void qdf_nbuf_stop_replenish_timer(void);
/** /**
* qdf_get_nbuf_valid_frag() - Get nbuf to store frag * qdf_get_nbuf_valid_frag() - Get nbuf to store frag
* @nbuf: qdf_nbuf_t master nbuf * @nbuf: qdf_nbuf_t master nbuf

10
qdf/inc/qdf_nbuf_frag.h
View File

@@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2020 The Linux Foundation. All rights reserved. * Copyright (c) 2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* *
* Permission to use, copy, modify, and/or distribute this software for * Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the * any purpose with or without fee is hereby granted, provided that the
@@ -40,7 +40,7 @@ typedef __qdf_frag_cache_t qdf_frag_cache_t;
*/ */
typedef __qdf_frag_t qdf_frag_t; typedef __qdf_frag_t qdf_frag_t;
/** /*
* Maximum number of frags an SKB can hold * Maximum number of frags an SKB can hold
*/ */
#define QDF_NBUF_MAX_FRAGS __QDF_NBUF_MAX_FRAGS #define QDF_NBUF_MAX_FRAGS __QDF_NBUF_MAX_FRAGS
@@ -54,7 +54,9 @@ typedef __qdf_frag_t qdf_frag_t;
void qdf_frag_debug_init(void); void qdf_frag_debug_init(void);
/** /**
* qdf_frag_debug_exit() - Destroy frag debug tracker * qdf_frag_debug_exit() - Exit network frag debug functionality
*
* Exit network frag tracking debug functionality and log frag memory leaks
* *
* Return: none * Return: none
*/ */
@@ -272,7 +274,7 @@ static inline void qdf_frag_mod_exit(void)
* @buf: Virtual page address to be mapped * @buf: Virtual page address to be mapped
* @dir: qdf_dma_dir_t * @dir: qdf_dma_dir_t
* @nbytes: Size of memory to be mapped * @nbytes: Size of memory to be mapped
* @paddr: Corresponding mapped physical address * @phy_addr: Corresponding mapped physical address
* *
* Return: QDF_STATUS * Return: QDF_STATUS
*/ */

1184
qdf/linux/src/i_qdf_nbuf.h
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File diff suppressed because it is too large Load Diff

8
qdf/linux/src/i_qdf_nbuf_frag.h
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@@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2020 The Linux Foundation. All rights reserved. * Copyright (c) 2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* *
* Permission to use, copy, modify, and/or distribute this software for * Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the * any purpose with or without fee is hereby granted, provided that the
@@ -36,7 +36,7 @@
*/ */
typedef struct page_frag_cache __qdf_frag_cache_t; typedef struct page_frag_cache __qdf_frag_cache_t;
/** /*
* typedef __qdf_frag_t - Abstraction for void * for frag address * typedef __qdf_frag_t - Abstraction for void * for frag address
*/ */
typedef void *__qdf_frag_t; typedef void *__qdf_frag_t;
@@ -103,7 +103,7 @@ static inline void __qdf_frag_mod_exit(void)
} }
#endif /* QDF_NBUF_FRAG_GLOBAL_COUNT */ #endif /* QDF_NBUF_FRAG_GLOBAL_COUNT */
/** /*
* Maximum number of frags an SKB can hold * Maximum number of frags an SKB can hold
*/ */
#define __QDF_NBUF_MAX_FRAGS MAX_SKB_FRAGS #define __QDF_NBUF_MAX_FRAGS MAX_SKB_FRAGS
@@ -124,7 +124,7 @@ void __qdf_mem_unmap_page(qdf_device_t osdev, qdf_dma_addr_t paddr,
* @buf: Vaddr to be mapped * @buf: Vaddr to be mapped
* @dir: qdf_dma_dir_t * @dir: qdf_dma_dir_t
* @nbytes: Number of bytes to be mapped * @nbytes: Number of bytes to be mapped
* @paddr: Mapped physical address * @phy_addr: Mapped physical address
* *
* Return: QDF_STATUS * Return: QDF_STATUS
*/ */

17
qdf/linux/src/i_qdf_nbuf_m.h
View File

@@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2014-2021 The Linux Foundation. All rights reserved. * Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* *
* Permission to use, copy, modify, and/or distribute this software for * Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the * any purpose with or without fee is hereby granted, provided that the
@@ -121,7 +121,22 @@ qdf_nbuf_cb_update_vdev_id(struct sk_buff *skb, uint8_t vdev_id)
QDF_NBUF_CB_RX_VDEV_ID(skb) = vdev_id; QDF_NBUF_CB_RX_VDEV_ID(skb) = vdev_id;
} }
/**
* __qdf_nbuf_init_replenish_timer() - Initialize the alloc replenish timer
*
* This function initializes the nbuf alloc fail replenish timer.
*
* Return: void
*/
void __qdf_nbuf_init_replenish_timer(void); void __qdf_nbuf_init_replenish_timer(void);
/**
* __qdf_nbuf_deinit_replenish_timer() - Deinitialize the alloc replenish timer
*
* This function deinitializes the nbuf alloc fail replenish timer.
*
* Return: void
*/
void __qdf_nbuf_deinit_replenish_timer(void); void __qdf_nbuf_deinit_replenish_timer(void);
/** /**

907
qdf/linux/src/qdf_nbuf.c
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15
qdf/linux/src/qdf_nbuf_frag.c
View File

@@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2020 The Linux Foundation. All rights reserved. * Copyright (c) 2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* *
* Permission to use, copy, modify, and/or distribute this software for * Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the * any purpose with or without fee is hereby granted, provided that the
@@ -93,7 +93,7 @@ void __qdf_frag_mod_exit(void)
* @alloc_func_line: Allocation function line no. * @alloc_func_line: Allocation function line no.
* @refcount: No. of references to the frag * @refcount: No. of references to the frag
* @last_func_name: Function where frag recently accessed * @last_func_name: Function where frag recently accessed
* @last_func_line_num: Line number of last function * @last_func_line: Line number of last function
* *
**/ **/
struct qdf_frag_track_node_t { struct qdf_frag_track_node_t {
@@ -119,7 +119,7 @@ typedef struct qdf_frag_tracking_list_t {
typedef struct qdf_frag_track_node_t QDF_FRAG_TRACK; typedef struct qdf_frag_track_node_t QDF_FRAG_TRACK;
/** /*
* Array of tracking list for maintaining * Array of tracking list for maintaining
* allocated debug frag nodes as per the calculated * allocated debug frag nodes as per the calculated
* hash value. * hash value.
@@ -131,7 +131,7 @@ static struct kmem_cache *frag_tracking_cache;
/* Tracking list for maintaining the free debug frag nodes */ /* Tracking list for maintaining the free debug frag nodes */
static qdf_frag_tracking_list qdf_frag_track_free_list; static qdf_frag_tracking_list qdf_frag_track_free_list;
/** /*
* Parameters for statistics * Parameters for statistics
* qdf_frag_track_free_list_count: No. of free nodes * qdf_frag_track_free_list_count: No. of free nodes
* qdf_frag_track_used_list_count : No. of nodes used * qdf_frag_track_used_list_count : No. of nodes used
@@ -412,13 +412,6 @@ void qdf_frag_debug_init(void)
qdf_export_symbol(qdf_frag_debug_init); qdf_export_symbol(qdf_frag_debug_init);
/**
* qdf_frag_buf_debug_exit() - Exit network frag debug functionality
*
* Exit network frag tracking debug functionality and log frag memory leaks
*
* Return: none
*/
void qdf_frag_debug_exit(void) void qdf_frag_debug_exit(void)
{ {
uint32_t index; uint32_t index;