summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath10k/ce.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/ce.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/ce.c50
1 files changed, 26 insertions, 24 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index edf3629288bc..9fb8d7472d18 100644
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -411,7 +411,8 @@ int __ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr)
lockdep_assert_held(&ar_pci->ce_lock);
- if (CE_RING_DELTA(nentries_mask, write_index, sw_index - 1) == 0)
+ if ((pipe->id != 5) &&
+ CE_RING_DELTA(nentries_mask, write_index, sw_index - 1) == 0)
return -ENOSPC;
desc->addr = __cpu_to_le32(paddr);
@@ -425,6 +426,19 @@ int __ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr)
return 0;
}
+void ath10k_ce_rx_update_write_idx(struct ath10k_ce_pipe *pipe, u32 nentries)
+{
+ struct ath10k *ar = pipe->ar;
+ struct ath10k_ce_ring *dest_ring = pipe->dest_ring;
+ unsigned int nentries_mask = dest_ring->nentries_mask;
+ unsigned int write_index = dest_ring->write_index;
+ u32 ctrl_addr = pipe->ctrl_addr;
+
+ write_index = CE_RING_IDX_ADD(nentries_mask, write_index, nentries);
+ ath10k_ce_dest_ring_write_index_set(ar, ctrl_addr, write_index);
+ dest_ring->write_index = write_index;
+}
+
int ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr)
{
struct ath10k *ar = pipe->ar;
@@ -444,14 +458,10 @@ int ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr)
*/
int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state,
void **per_transfer_contextp,
- u32 *bufferp,
- unsigned int *nbytesp,
- unsigned int *transfer_idp,
- unsigned int *flagsp)
+ unsigned int *nbytesp)
{
struct ath10k_ce_ring *dest_ring = ce_state->dest_ring;
unsigned int nentries_mask = dest_ring->nentries_mask;
- struct ath10k *ar = ce_state->ar;
unsigned int sw_index = dest_ring->sw_index;
struct ce_desc *base = dest_ring->base_addr_owner_space;
@@ -476,21 +486,17 @@ int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state,
desc->nbytes = 0;
/* Return data from completed destination descriptor */
- *bufferp = __le32_to_cpu(sdesc.addr);
*nbytesp = nbytes;
- *transfer_idp = MS(__le16_to_cpu(sdesc.flags), CE_DESC_FLAGS_META_DATA);
-
- if (__le16_to_cpu(sdesc.flags) & CE_DESC_FLAGS_BYTE_SWAP)
- *flagsp = CE_RECV_FLAG_SWAPPED;
- else
- *flagsp = 0;
if (per_transfer_contextp)
*per_transfer_contextp =
dest_ring->per_transfer_context[sw_index];
- /* sanity */
- dest_ring->per_transfer_context[sw_index] = NULL;
+ /* Copy engine 5 (HTT Rx) will reuse the same transfer context.
+ * So update transfer context all CEs except CE5.
+ */
+ if (ce_state->id != 5)
+ dest_ring->per_transfer_context[sw_index] = NULL;
/* Update sw_index */
sw_index = CE_RING_IDX_INCR(nentries_mask, sw_index);
@@ -501,10 +507,7 @@ int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state,
int ath10k_ce_completed_recv_next(struct ath10k_ce_pipe *ce_state,
void **per_transfer_contextp,
- u32 *bufferp,
- unsigned int *nbytesp,
- unsigned int *transfer_idp,
- unsigned int *flagsp)
+ unsigned int *nbytesp)
{
struct ath10k *ar = ce_state->ar;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
@@ -513,8 +516,7 @@ int ath10k_ce_completed_recv_next(struct ath10k_ce_pipe *ce_state,
spin_lock_bh(&ar_pci->ce_lock);
ret = ath10k_ce_completed_recv_next_nolock(ce_state,
per_transfer_contextp,
- bufferp, nbytesp,
- transfer_idp, flagsp);
+ nbytesp);
spin_unlock_bh(&ar_pci->ce_lock);
return ret;
@@ -1048,11 +1050,11 @@ int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
*
* For the lack of a better place do the check here.
*/
- BUILD_BUG_ON(2*TARGET_NUM_MSDU_DESC >
+ BUILD_BUG_ON(2 * TARGET_NUM_MSDU_DESC >
(CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
- BUILD_BUG_ON(2*TARGET_10X_NUM_MSDU_DESC >
+ BUILD_BUG_ON(2 * TARGET_10X_NUM_MSDU_DESC >
(CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
- BUILD_BUG_ON(2*TARGET_TLV_NUM_MSDU_DESC >
+ BUILD_BUG_ON(2 * TARGET_TLV_NUM_MSDU_DESC >
(CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
ce_state->ar = ar;