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path: root/drivers/net/myri10ge/myri10ge.c
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Diffstat (limited to 'drivers/net/myri10ge/myri10ge.c')
-rw-r--r--drivers/net/myri10ge/myri10ge.c62
1 files changed, 7 insertions, 55 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index b3981ed..3ab0e52 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -125,7 +125,6 @@ struct myri10ge_cmd {
struct myri10ge_rx_buf {
struct mcp_kreq_ether_recv __iomem *lanai; /* lanai ptr for recv ring */
- u8 __iomem *wc_fifo; /* w/c rx dma addr fifo address */
struct mcp_kreq_ether_recv *shadow; /* host shadow of recv ring */
struct myri10ge_rx_buffer_state *info;
struct page *page;
@@ -140,7 +139,6 @@ struct myri10ge_rx_buf {
struct myri10ge_tx_buf {
struct mcp_kreq_ether_send __iomem *lanai; /* lanai ptr for sendq */
- u8 __iomem *wc_fifo; /* w/c send fifo address */
struct mcp_kreq_ether_send *req_list; /* host shadow of sendq */
char *req_bytes;
struct myri10ge_tx_buffer_state *info;
@@ -332,10 +330,6 @@ MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed");
static int myri10ge_reset_recover = 1;
-static int myri10ge_wcfifo = 0;
-module_param(myri10ge_wcfifo, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled");
-
static int myri10ge_max_slices = 1;
module_param(myri10ge_max_slices, int, S_IRUGO);
MODULE_PARM_DESC(myri10ge_max_slices, "Max tx/rx queues");
@@ -1218,14 +1212,8 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
/* copy 8 descriptors to the firmware at a time */
if ((idx & 7) == 7) {
- if (rx->wc_fifo == NULL)
- myri10ge_submit_8rx(&rx->lanai[idx - 7],
- &rx->shadow[idx - 7]);
- else {
- mb();
- myri10ge_pio_copy(rx->wc_fifo,
- &rx->shadow[idx - 7], 64);
- }
+ myri10ge_submit_8rx(&rx->lanai[idx - 7],
+ &rx->shadow[idx - 7]);
}
}
}
@@ -2229,18 +2217,6 @@ static int myri10ge_get_txrx(struct myri10ge_priv *mgp, int slice)
ss->rx_big.lanai = (struct mcp_kreq_ether_recv __iomem *)
(mgp->sram + cmd.data0);
- if (myri10ge_wcfifo && mgp->wc_enabled) {
- ss->tx.wc_fifo = (u8 __iomem *)
- mgp->sram + MXGEFW_ETH_SEND_4 + 64 * slice;
- ss->rx_small.wc_fifo = (u8 __iomem *)
- mgp->sram + MXGEFW_ETH_RECV_SMALL + 64 * slice;
- ss->rx_big.wc_fifo = (u8 __iomem *)
- mgp->sram + MXGEFW_ETH_RECV_BIG + 64 * slice;
- } else {
- ss->tx.wc_fifo = NULL;
- ss->rx_small.wc_fifo = NULL;
- ss->rx_big.wc_fifo = NULL;
- }
return status;
}
@@ -2573,27 +2549,6 @@ myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src,
mb();
}
-static inline void
-myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
- struct mcp_kreq_ether_send *src, int cnt)
-{
- tx->req += cnt;
- mb();
- while (cnt >= 4) {
- myri10ge_pio_copy(tx->wc_fifo, src, 64);
- mb();
- src += 4;
- cnt -= 4;
- }
- if (cnt > 0) {
- /* pad it to 64 bytes. The src is 64 bytes bigger than it
- * needs to be so that we don't overrun it */
- myri10ge_pio_copy(tx->wc_fifo + MXGEFW_ETH_SEND_OFFSET(cnt),
- src, 64);
- mb();
- }
-}
-
/*
* Transmit a packet. We need to split the packet so that a single
* segment does not cross myri10ge->tx_boundary, so this makes segment
@@ -2830,10 +2785,7 @@ again:
MXGEFW_FLAGS_FIRST)));
idx = ((count - 1) + tx->req) & tx->mask;
tx->info[idx].last = 1;
- if (tx->wc_fifo == NULL)
- myri10ge_submit_req(tx, tx->req_list, count);
- else
- myri10ge_submit_req_wc(tx, tx->req_list, count);
+ myri10ge_submit_req(tx, tx->req_list, count);
tx->pkt_start++;
if ((avail - count) < MXGEFW_MAX_SEND_DESC) {
tx->stop_queue++;
@@ -3768,14 +3720,14 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (mgp->sram_size > mgp->board_span) {
dev_err(&pdev->dev, "board span %ld bytes too small\n",
mgp->board_span);
- goto abort_with_wc;
+ goto abort_with_mtrr;
}
- mgp->sram = ioremap(mgp->iomem_base, mgp->board_span);
+ mgp->sram = ioremap_wc(mgp->iomem_base, mgp->board_span);
if (mgp->sram == NULL) {
dev_err(&pdev->dev, "ioremap failed for %ld bytes at 0x%lx\n",
mgp->board_span, mgp->iomem_base);
status = -ENXIO;
- goto abort_with_wc;
+ goto abort_with_mtrr;
}
memcpy_fromio(mgp->eeprom_strings,
mgp->sram + mgp->sram_size - MYRI10GE_EEPROM_STRINGS_SIZE,
@@ -3876,7 +3828,7 @@ abort_with_firmware:
abort_with_ioremap:
iounmap(mgp->sram);
-abort_with_wc:
+abort_with_mtrr:
#ifdef CONFIG_MTRR
if (mgp->mtrr >= 0)
mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
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