[PATCH v2 net-next 14/16] sfc_ef100: populate BUFFER_SIZE_BYTES in INIT_RXQ

[Edward Cree]

The QDMA subsystem on EF100 needs this information.

Signed-off-by: Edward Cree <ec...@solarflare.com>
---
 drivers/net/ethernet/sfc/mcdi_functions.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/sfc/mcdi_functions.c 
b/drivers/net/ethernet/sfc/mcdi_functions.c
index 92b9a741c286..d8a3af86ef78 100644
--- a/drivers/net/ethernet/sfc/mcdi_functions.c
+++ b/drivers/net/ethernet/sfc/mcdi_functions.c
@@ -267,20 +267,22 @@ int efx_mcdi_rx_probe(struct efx_rx_queue *rx_queue)
 
 void efx_mcdi_rx_init(struct efx_rx_queue *rx_queue)
 {
-       MCDI_DECLARE_BUF(inbuf,
-                        MC_CMD_INIT_RXQ_IN_LEN(EFX_MAX_DMAQ_SIZE * 8 /
-                                               EFX_BUF_SIZE));
        struct efx_channel *channel = efx_rx_queue_channel(rx_queue);
        size_t entries = rx_queue->rxd.buf.len / EFX_BUF_SIZE;
+       MCDI_DECLARE_BUF(inbuf, MC_CMD_INIT_RXQ_V4_IN_LEN);
        struct efx_nic *efx = rx_queue->efx;
+       unsigned int buffer_size;
        dma_addr_t dma_addr;
-       size_t inlen;
        int rc;
        int i;
        BUILD_BUG_ON(MC_CMD_INIT_RXQ_OUT_LEN != 0);
 
        rx_queue->scatter_n = 0;
        rx_queue->scatter_len = 0;
+       if (efx->type->revision == EFX_REV_EF100)
+               buffer_size = efx->rx_page_buf_step;
+       else
+               buffer_size = 0;
 
        MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_SIZE, rx_queue->ptr_mask + 1);
        MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_TARGET_EVQ, channel->channel);
@@ -292,6 +294,7 @@ void efx_mcdi_rx_init(struct efx_rx_queue *rx_queue)
                              INIT_RXQ_IN_FLAG_TIMESTAMP, 1);
        MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_OWNER_ID, 0);
        MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_PORT_ID, efx->vport_id);
+       MCDI_SET_DWORD(inbuf, INIT_RXQ_V4_IN_BUFFER_SIZE_BYTES, buffer_size);
 
        dma_addr = rx_queue->rxd.buf.dma_addr;
 
@@ -303,9 +306,7 @@ void efx_mcdi_rx_init(struct efx_rx_queue *rx_queue)
                dma_addr += EFX_BUF_SIZE;
        }
 
-       inlen = MC_CMD_INIT_RXQ_IN_LEN(entries);
-
-       rc = efx_mcdi_rpc(efx, MC_CMD_INIT_RXQ, inbuf, inlen,
+       rc = efx_mcdi_rpc(efx, MC_CMD_INIT_RXQ, inbuf, sizeof(inbuf),
                          NULL, 0, NULL);
        if (rc)
                netdev_WARN(efx->net_dev, "failed to initialise RXQ %d\n",