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ath10k: register per copy engine send completion callbacks 

Register send completion callbacks for every copy engines (CE) separately
instead of having common completion handler. Since some of the copy
engines delivers different type of messages, per-CE callbacks help to
service them differently.

Reviewed-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Rajkumar Manoharan 2015-10-12 18:27:01 +05:30 committed by Kalle Valo
parent aed1dc8231
commit 0e5b295091
6 changed files with 13 additions and 17 deletions
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3
drivers/net/wireless/ath/ath10k/ce.c
View File

@ -1077,7 +1077,6 @@ void ath10k_ce_deinit_pipe(struct ath10k *ar, unsigned int ce_id)
int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
const struct ce_attr *attr,
void (*send_cb)(struct ath10k_ce_pipe *),
void (*recv_cb)(struct ath10k_ce_pipe *))
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
@ -1104,7 +1103,7 @@ int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
ce_state->src_sz_max = attr->src_sz_max;
if (attr->src_nentries)
ce_state->send_cb = send_cb;
ce_state->send_cb = attr->send_cb;
if (attr->dest_nentries)
ce_state->recv_cb = recv_cb;

3
drivers/net/wireless/ath/ath10k/ce.h
View File

@ -210,7 +210,6 @@ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id,
void ath10k_ce_deinit_pipe(struct ath10k *ar, unsigned int ce_id);
int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
const struct ce_attr *attr,
void (*send_cb)(struct ath10k_ce_pipe *),
void (*recv_cb)(struct ath10k_ce_pipe *));
void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id);
@ -277,6 +276,8 @@ struct ce_attr {
/* #entries in destination ring - Must be a power of 2 */
unsigned int dest_nentries;
void (*send_cb)(struct ath10k_ce_pipe *);
};
#define SR_BA_ADDRESS 0x0000

2
drivers/net/wireless/ath/ath10k/hif.h
View File

@ -31,8 +31,6 @@ struct ath10k_hif_sg_item {
};
struct ath10k_hif_cb {
int (*tx_completion)(struct ath10k *ar,
struct sk_buff *wbuf);
int (*rx_completion)(struct ath10k *ar,
struct sk_buff *wbuf);
};

7
drivers/net/wireless/ath/ath10k/htc.c
View File

@ -181,22 +181,20 @@ int ath10k_htc_send(struct ath10k_htc *htc,
return ret;
}
int ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb)
void ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb)
{
struct ath10k_htc *htc = &ar->htc;
struct ath10k_skb_cb *skb_cb;
struct ath10k_htc_ep *ep;
if (WARN_ON_ONCE(!skb))
return 0;
return;
skb_cb = ATH10K_SKB_CB(skb);
ep = &htc->endpoint[skb_cb->eid];
ath10k_htc_notify_tx_completion(ep, skb);
/* the skb now belongs to the completion handler */
return 0;
}
EXPORT_SYMBOL(ath10k_htc_tx_completion_handler);
@ -851,7 +849,6 @@ int ath10k_htc_init(struct ath10k *ar)
/* setup HIF layer callbacks */
htc_callbacks.rx_completion = ath10k_htc_rx_completion_handler;
htc_callbacks.tx_completion = ath10k_htc_tx_completion_handler;
htc->ar = ar;
/* Get HIF default pipe for HTC message exchange */

2
drivers/net/wireless/ath/ath10k/htc.h
View File

@ -355,7 +355,7 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
int ath10k_htc_send(struct ath10k_htc *htc, enum ath10k_htc_ep_id eid,
struct sk_buff *packet);
struct sk_buff *ath10k_htc_alloc_skb(struct ath10k *ar, int size);
int ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
void ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
int ath10k_htc_rx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
#endif

13
drivers/net/wireless/ath/ath10k/pci.c
View File

@ -104,6 +104,7 @@ static int ath10k_pci_bmi_wait(struct ath10k_ce_pipe *tx_pipe,
struct ath10k_ce_pipe *rx_pipe,
struct bmi_xfer *xfer);
static int ath10k_pci_qca99x0_chip_reset(struct ath10k *ar);
static void ath10k_pci_htc_tx_cb(struct ath10k_ce_pipe *ce_state);
static const struct ce_attr host_ce_config_wlan[] = {
/* CE0: host->target HTC control and raw streams */
@ -112,6 +113,7 @@ static const struct ce_attr host_ce_config_wlan[] = {
.src_nentries = 16,
.src_sz_max = 256,
.dest_nentries = 0,
.send_cb = ath10k_pci_htc_tx_cb,
},
/* CE1: target->host HTT + HTC control */
@ -136,6 +138,7 @@ static const struct ce_attr host_ce_config_wlan[] = {
.src_nentries = 32,
.src_sz_max = 2048,
.dest_nentries = 0,
.send_cb = ath10k_pci_htc_tx_cb,
},
/* CE4: host->target HTT */
@ -144,6 +147,7 @@ static const struct ce_attr host_ce_config_wlan[] = {
.src_nentries = CE_HTT_H2T_MSG_SRC_NENTRIES,
.src_sz_max = 256,
.dest_nentries = 0,
.send_cb = ath10k_pci_htc_tx_cb,
},
/* CE5: unused */
@ -1095,11 +1099,9 @@ static int ath10k_pci_diag_write32(struct ath10k *ar, u32 address, u32 value)
}
/* Called by lower (CE) layer when a send to Target completes. */
static void ath10k_pci_ce_send_done(struct ath10k_ce_pipe *ce_state)
static void ath10k_pci_htc_tx_cb(struct ath10k_ce_pipe *ce_state)
{
struct ath10k *ar = ce_state->ar;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_hif_cb *cb = &ar_pci->msg_callbacks_current;
struct sk_buff_head list;
struct sk_buff *skb;
u32 ce_data;
@ -1117,7 +1119,7 @@ static void ath10k_pci_ce_send_done(struct ath10k_ce_pipe *ce_state)
}
while ((skb = __skb_dequeue(&list)))
cb->tx_completion(ar, skb);
ath10k_htc_tx_completion_handler(ar, skb);
}
/* Called by lower (CE) layer when data is received from the Target. */
@ -1573,7 +1575,7 @@ static void ath10k_pci_tx_pipe_cleanup(struct ath10k_pci_pipe *pci_pipe)
ce_ring->per_transfer_context[i] = NULL;
ar_pci->msg_callbacks_current.tx_completion(ar, skb);
ath10k_htc_tx_completion_handler(ar, skb);
}
}
@ -1994,7 +1996,6 @@ static int ath10k_pci_alloc_pipes(struct ath10k *ar)
pipe->hif_ce_state = ar;
ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i],
ath10k_pci_ce_send_done,
ath10k_pci_ce_recv_data);
if (ret) {
ath10k_err(ar, "failed to allocate copy engine pipe %d: %d\n",