diff options
| author |   Brice Goglin <brice@myri.com> | 2008-05-09 02:20:25 +0200 |
|---|---|---|
| committer |   Jeff Garzik <jgarzik@redhat.com> | 2008-05-13 01:30:30 -0400 |
| commit | fa0a90d96b08856203435b051dd1c155b58ccd0f (patch) | |
| tree | b3e62b80ec81ca376b024ecabcda76a1a8ab1254 /drivers/net/myri10ge/myri10ge.c | |
| parent | myri10ge: move data structures into a single slice (diff) | |
| download | linux-dev-fa0a90d96b08856203435b051dd1c155b58ccd0f.tar.xz linux-dev-fa0a90d96b08856203435b051dd1c155b58ccd0f.zip | |
myri10ge: cleanup retrieving of firmware capabilities
Add myri10ge_get_firmware_capabilities() to retrieve TSO6 and
interrupt slots capabilities from the firmware.
Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew Gallatin <gallatin@myri.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/myri10ge/myri10ge.c')
| -rw-r--r-- | drivers/net/myri10ge/myri10ge.c | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 5edcbfe93065..054168faf292 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -194,6 +194,7 @@ struct myri10ge_priv { int csum_flag; /* rx_csums? */ int small_bytes; int big_bytes; + int max_intr_slots; struct net_device *dev; struct net_device_stats stats; spinlock_t stats_lock; @@ -634,13 +635,38 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp) return status; } +int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp) +{ + struct myri10ge_cmd cmd; + int status; + + /* probe for IPv6 TSO support */ + mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO; + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE, + &cmd, 0); + if (status == 0) { + mgp->max_tso6 = cmd.data0; + mgp->features |= NETIF_F_TSO6; + } + + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0); + if (status != 0) { + dev_err(&mgp->pdev->dev, + "failed MXGEFW_CMD_GET_RX_RING_SIZE\n"); + return -ENXIO; + } + + mgp->max_intr_slots = 2 * (cmd.data0 / sizeof(struct mcp_dma_addr)); + + return 0; +} + static int myri10ge_load_firmware(struct myri10ge_priv *mgp) { char __iomem *submit; __be32 buf[16] __attribute__ ((__aligned__(8))); u32 dma_low, dma_high, size; int status, i; - struct myri10ge_cmd cmd; size = 0; status = myri10ge_load_hotplug_firmware(mgp, &size); @@ -672,6 +698,8 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp) mgp->fw_name = "adopted"; mgp->tx_boundary = 2048; + myri10ge_dummy_rdma(mgp, 1); + status = myri10ge_get_firmware_capabilities(mgp); return status; } @@ -714,18 +742,10 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp) dev_err(&mgp->pdev->dev, "handoff failed\n"); return -ENXIO; } - dev_info(&mgp->pdev->dev, "handoff confirmed\n"); myri10ge_dummy_rdma(mgp, 1); + status = myri10ge_get_firmware_capabilities(mgp); - /* probe for IPv6 TSO support */ - mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO; - status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE, - &cmd, 0); - if (status == 0) { - mgp->max_tso6 = cmd.data0; - mgp->features |= NETIF_F_TSO6; - } - return 0; + return status; } static int myri10ge_update_mac_address(struct myri10ge_priv *mgp, u8 * addr) |