diff options
| -rw-r--r-- | CORE/HDD/src/wlan_hdd_ipa.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/CORE/HDD/src/wlan_hdd_ipa.c b/CORE/HDD/src/wlan_hdd_ipa.c index 6d0aa84458e3..a198040111e3 100644 --- a/CORE/HDD/src/wlan_hdd_ipa.c +++ b/CORE/HDD/src/wlan_hdd_ipa.c @@ -912,13 +912,26 @@ static int hdd_ipa_setup_sys_pipe(struct hdd_ipa_priv *hdd_ipa) { int i, ret = 0; struct ipa_sys_connect_params *ipa; + uint32_t desc_fifo_sz; + + /* The maximum number of descriptors that can be provided to a BAM at + * once is one less than the total number of descriptors that the buffer + * can contain. + * If max_num_of_descriptors = (BAM_PIPE_DESCRIPTOR_FIFO_SIZE / sizeof + * (SPS_DESCRIPTOR)), then (max_num_of_descriptors - 1) descriptors can + * be provided at once. + * Because of above requirement, one extra descriptor will be added to + * make sure hardware always has one descriptor. + */ + desc_fifo_sz = hdd_ipa->hdd_ctx->cfg_ini->IpaDescSize + + sizeof(struct sps_iovec); /*setup TX pipes */ for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { ipa = &hdd_ipa->sys_pipe[i].ipa_sys_params; ipa->client = hdd_ipa_adapter_2_client[i].cons_client; - ipa->desc_fifo_sz = hdd_ipa->hdd_ctx->cfg_ini->IpaDescSize; + ipa->desc_fifo_sz = desc_fifo_sz; ipa->priv = &hdd_ipa->iface_context[i]; ipa->notify = hdd_ipa_i2w_cb; @@ -944,17 +957,7 @@ static int hdd_ipa_setup_sys_pipe(struct hdd_ipa_priv *hdd_ipa) ipa->client = hdd_ipa->prod_client; - /* The maximum number of descriptors that can be provided to a BAM at - * once is one less than the total number of descriptors that the buffer - * can contain. - * If max_num_of_descriptors = (BAM_PIPE_DESCRIPTOR_FIFO_SIZE / sizeof - * (SPS_DESCRIPTOR)), then (max_num_of_descriptors - 1) descriptors can - * be provided at once. - * Because of above requirement, one extra descriptor will be added to - * make sure hardware always has one descriptor. - */ - ipa->desc_fifo_sz = hdd_ipa->hdd_ctx->cfg_ini->IpaDescSize - + sizeof(struct sps_iovec); + ipa->desc_fifo_sz = desc_fifo_sz; ipa->priv = hdd_ipa; ipa->notify = hdd_ipa_w2i_cb; |