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authorBrice Goglin <brice@myri.com>2008-05-09 02:20:25 +0200
committerJeff Garzik <jgarzik@redhat.com>2008-05-13 01:30:30 -0400
commitfa0a90d96b08856203435b051dd1c155b58ccd0f (patch)
treeb3e62b80ec81ca376b024ecabcda76a1a8ab1254 /drivers/net/myri10ge
parentb53bef84c27e68efac9b608392acd1fc14cb6ce7 (diff)
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')
-rw-r--r--drivers/net/myri10ge/myri10ge.c42
1 files changed, 31 insertions, 11 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 5edcbfe9306..054168faf29 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)