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authorAvinash Patil <patila@marvell.com>2013-02-08 18:18:08 -0800
committerJohn W. Linville <linville@tuxdriver.com>2013-02-11 15:34:57 -0500
commite05dc3e93c136ecd329ed2d57d4eb2e82f530304 (patch)
treedd1fca715955c8670939780871d1aa398222882d /drivers/net/wireless/mwifiex/pcie.h
parent0732484b47b57ef90bb08408d60fddbad0262d82 (diff)
downloadlinux-next-e05dc3e93c136ecd329ed2d57d4eb2e82f530304.tar.gz
mwifiex: define generic data type for PCIe ring buffers
This patch defines PCIe ring buffer array pointer as void instead of mwifiex_pcie_buf_desc. This will enable us to use same pointers for ring operations instead of new structures if buffer descriptor structure changes. Also split out event buffer descriptor structure from struct mwifiex_pcie_buf_desc. For PCIe8766 TX/RX buffer descriptor is same as evevt buffer descriptor. Newer chips could use different TX/RX buffer descriptor while event descriptor remains the same. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/pcie.h')
-rw-r--r--drivers/net/wireless/mwifiex/pcie.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h
index 7ef660ec058e..7ebdc74f2bbf 100644
--- a/drivers/net/wireless/mwifiex/pcie.h
+++ b/drivers/net/wireless/mwifiex/pcie.h
@@ -155,6 +155,12 @@ static const struct mwifiex_pcie_device mwifiex_pcie8766 = {
.blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD,
};
+struct mwifiex_evt_buf_desc {
+ u64 paddr;
+ u16 len;
+ u16 flags;
+} __packed;
+
struct mwifiex_pcie_buf_desc {
u64 paddr;
u16 len;
@@ -172,7 +178,7 @@ struct pcie_service_card {
u32 txbd_ring_size;
u8 *txbd_ring_vbase;
dma_addr_t txbd_ring_pbase;
- struct mwifiex_pcie_buf_desc *txbd_ring[MWIFIEX_MAX_TXRX_BD];
+ void *txbd_ring[MWIFIEX_MAX_TXRX_BD];
struct sk_buff *tx_buf_list[MWIFIEX_MAX_TXRX_BD];
u32 rxbd_wrptr;
@@ -180,7 +186,7 @@ struct pcie_service_card {
u32 rxbd_ring_size;
u8 *rxbd_ring_vbase;
dma_addr_t rxbd_ring_pbase;
- struct mwifiex_pcie_buf_desc *rxbd_ring[MWIFIEX_MAX_TXRX_BD];
+ void *rxbd_ring[MWIFIEX_MAX_TXRX_BD];
struct sk_buff *rx_buf_list[MWIFIEX_MAX_TXRX_BD];
u32 evtbd_wrptr;
@@ -188,7 +194,7 @@ struct pcie_service_card {
u32 evtbd_ring_size;
u8 *evtbd_ring_vbase;
dma_addr_t evtbd_ring_pbase;
- struct mwifiex_pcie_buf_desc *evtbd_ring[MWIFIEX_MAX_EVT_BD];
+ void *evtbd_ring[MWIFIEX_MAX_EVT_BD];
struct sk_buff *evt_buf_list[MWIFIEX_MAX_EVT_BD];
struct sk_buff *cmd_buf;