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qcacmn: Add support to send packet marked by upper layer to FW

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Upper layer (OS_IF) can mark certain packets to be sent
to FW. Mark such packets as exception, so that it is sent
to the FW.

Change-Id: I653a7ea657e9dffc18ffd88662aa2082214bc469
CRs-Fixed: 2826442
This commit is contained in:
Rakesh Pillai 2020-11-24 23:25:55 -08:00 • committed by snandini
commit dcf0ee1707
2 changed files with 27 additions and 62 deletions
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87
dp/wifi3.0/dp_tx.c
View file

@ -870,6 +870,29 @@ dp_tx_wds_ext(struct dp_soc *soc, struct dp_vdev *vdev, uint16_t peer_id,
}
#endif
#ifdef WLAN_DP_FEATURE_MARK_ICMP_REQ_TO_FW
/**
* dp_tx_is_nbuf_marked_exception() - Check if the packet has been marked as
* exception by the upper layer (OS_IF)
* @soc: DP soc handle
* @nbuf: packet to be transmitted
*
* Returns: 1 if the packet is marked as exception,
* 0, if the packet is not marked as exception.
*/
static inline int dp_tx_is_nbuf_marked_exception(struct dp_soc *soc,
qdf_nbuf_t nbuf)
{
return QDF_NBUF_CB_TX_PACKET_TO_FW(nbuf);
}
#else
static inline int dp_tx_is_nbuf_marked_exception(struct dp_soc *soc,
qdf_nbuf_t nbuf)
{
return 0;
}
#endif
/**
* dp_tx_desc_prepare_single - Allocate and prepare Tx descriptor
* @vdev: DP vdev handle
@ -928,6 +951,9 @@ struct dp_tx_desc_s *dp_tx_prepare_desc_single(struct dp_vdev *vdev,
if (qdf_unlikely(dp_is_tx_extended(vdev, tx_exc_metadata)))
return tx_desc;
/* Packets marked by upper layer (OS-IF) to be sent to FW */
if (dp_tx_is_nbuf_marked_exception(soc, nbuf))
is_exception = 1;
/*
* For special modes (vdev_type == ocb or mesh), data frames should be
* transmitted using varying transmit parameters (tx spec) which include
@ -1414,7 +1440,7 @@ dp_tx_hw_enqueue(struct dp_soc *soc, struct dp_vdev *vdev,
hal_tx_desc_set_addr_search_flags(hal_tx_desc_cached,
vdev->hal_desc_addr_search_flags);
if (tx_desc->flags & DP_TX_DESC_FLAG_TO_FW || msdu_info->send_to_fw)
if (tx_desc->flags & DP_TX_DESC_FLAG_TO_FW)
hal_tx_desc_set_to_fw(hal_tx_desc_cached, 1);
/* verify checksum offload configuration*/
@ -3019,63 +3045,6 @@ void dp_tx_nawds_handler(struct dp_soc *soc, struct dp_vdev *vdev,
qdf_spin_unlock_bh(&vdev->peer_list_lock);
}
#ifdef WLAN_DP_FEATURE_SEND_ICMP_TO_FW
/**
* dp_tx_mark_icmp_req_exception() - Mark the ICMP request at certain intervals
* as exception packets to be sent to FW.
* @soc: DP soc handle
* @nbuf: packet to be transmitted
* @msdu_info: MSDU info where the exception flag is setup.
*
* This function sets the is_exception flag in the msdu_info if the current
* packet is an ICMP request packet after a preset interval post the last
* marked ICMP request packet.
* The time interval is decided by an INI, which can be set to -1, to indicate
* that all the ICMP request packets need to be sent to FW.
*
* Since HTT metadata is not to be sent to FW, exception_fw flag cannot be used.
*
* Returns: None
*/
static void
dp_tx_mark_icmp_req_exception(struct dp_soc *soc,
qdf_nbuf_t nbuf,
struct dp_tx_msdu_info_s *msdu_info)
{
uint64_t curr_time, time_delta;
int time_interval_ms;
static uint64_t prev_marked_icmp_time;
/* If its an ICMP request packet, to_fw will be set in context block */
if (!qdf_unlikely(QDF_NBUF_CB_TX_PACKET_TO_FW(nbuf) == 1))
return;
time_interval_ms = wlan_cfg_send_icmp_req_to_fw(soc->wlan_cfg_ctx);
if (!time_interval_ms)
return;
if (time_interval_ms == WLAN_CFG_SEND_ALL_ICMP_REQ_TO_FW) {
msdu_info->send_to_fw = 1;
return;
}
curr_time = qdf_get_log_timestamp();
time_delta = curr_time - prev_marked_icmp_time;
if (time_delta >= (time_interval_ms *
QDF_LOG_TIMESTAMP_CYCLES_PER_10_US * 100)) {
msdu_info->send_to_fw = 1;
prev_marked_icmp_time = curr_time;
}
}
#else
static inline void
dp_tx_mark_icmp_req_exception(struct dp_soc *soc,
qdf_nbuf_t nbuf,
struct dp_tx_msdu_info_s *msdu_info)
{
}
#endif
/**
* dp_tx_send() - Transmit a frame on a given VAP
* @soc: DP soc handle
@ -3126,8 +3095,6 @@ qdf_nbuf_t dp_tx_send(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
dp_tx_wds_ext(soc, vdev, peer_id, &msdu_info);
DP_STATS_INC_PKT(vdev, tx_i.rcvd, 1, qdf_nbuf_len(nbuf));
dp_tx_mark_icmp_req_exception(soc, nbuf, &msdu_info);
if (qdf_unlikely(vdev->mesh_vdev)) {
qdf_nbuf_t nbuf_mesh = dp_tx_extract_mesh_meta_data(vdev, nbuf,
&msdu_info);

2
dp/wifi3.0/dp_tx.h
View file

@ -143,7 +143,6 @@ struct dp_tx_queue {
* @exception_fw: Duplicate frame to be sent to firmware
* @ppdu_cookie: 16-bit ppdu_cookie that has to be replayed back in completions
* @ix_tx_sniffer: Indicates if the packet has to be sniffed
* @send_to_fw: Send the packet to FW, without HTT meta data
*
* This structure holds the complete MSDU information needed to program the
* Hardware TCL and MSDU extension descriptors for different frame types
@ -165,7 +164,6 @@ struct dp_tx_msdu_info_s {
uint16_t ppdu_cookie;
uint16_t ast_idx;
uint16_t ast_hash;
uint8_t send_to_fw;
};
/**