diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mvpp2.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c index 9683439..f063b04 100644 --- a/drivers/net/mvpp2.c +++ b/drivers/net/mvpp2.c @@ -797,7 +797,8 @@ struct mvpp2_port { #define MVPP2_RXD_L3_IP6 BIT(30) #define MVPP2_RXD_BUF_HDR BIT(31) -struct mvpp2_tx_desc { +/* HW TX descriptor for PPv2.1 */ +struct mvpp21_tx_desc { u32 command; /* Options used by HW for packet transmitting.*/ u8 packet_offset; /* the offset from the buffer beginning */ u8 phys_txq; /* destination queue ID */ @@ -808,7 +809,8 @@ struct mvpp2_tx_desc { u32 reserved2; /* reserved (for future use) */ }; -struct mvpp2_rx_desc { +/* HW RX descriptor for PPv2.1 */ +struct mvpp21_rx_desc { u32 status; /* info about received packet */ u16 reserved1; /* parser_info (for future use, PnC) */ u16 data_size; /* size of received packet in bytes */ @@ -823,6 +825,21 @@ struct mvpp2_rx_desc { u32 reserved8; }; +/* Opaque type used by the driver to manipulate the HW TX and RX + * descriptors + */ +struct mvpp2_tx_desc { + union { + struct mvpp21_tx_desc pp21; + }; +}; + +struct mvpp2_rx_desc { + union { + struct mvpp21_rx_desc pp21; + }; +}; + /* Per-CPU Tx queue control */ struct mvpp2_txq_pcpu { int cpu; @@ -1023,59 +1040,59 @@ static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port, struct mvpp2_tx_desc *tx_desc, dma_addr_t dma_addr) { - tx_desc->buf_dma_addr = dma_addr; + tx_desc->pp21.buf_dma_addr = dma_addr; } static void mvpp2_txdesc_size_set(struct mvpp2_port *port, struct mvpp2_tx_desc *tx_desc, size_t size) { - tx_desc->data_size = size; + tx_desc->pp21.data_size = size; } static void mvpp2_txdesc_txq_set(struct mvpp2_port *port, struct mvpp2_tx_desc *tx_desc, unsigned int txq) { - tx_desc->phys_txq = txq; + tx_desc->pp21.phys_txq = txq; } static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port, struct mvpp2_tx_desc *tx_desc, unsigned int command) { - tx_desc->command = command; + tx_desc->pp21.command = command; } static void mvpp2_txdesc_offset_set(struct mvpp2_port *port, struct mvpp2_tx_desc *tx_desc, unsigned int offset) { - tx_desc->packet_offset = offset; + tx_desc->pp21.packet_offset = offset; } static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port, struct mvpp2_rx_desc *rx_desc) { - return rx_desc->buf_dma_addr; + return rx_desc->pp21.buf_dma_addr; } static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port, struct mvpp2_rx_desc *rx_desc) { - return rx_desc->buf_cookie; + return rx_desc->pp21.buf_cookie; } static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port, struct mvpp2_rx_desc *rx_desc) { - return rx_desc->data_size; + return rx_desc->pp21.data_size; } static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port, struct mvpp2_rx_desc *rx_desc) { - return rx_desc->status; + return rx_desc->pp21.status; } static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu) |