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myri10ge: workaround buggy adopted firmwares 

Work around a bug which occurs when adopting firmware versions
1.4.4 though 1.4.11 where broadcasts are filtered as if they
were multicasts.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Brice Goglin 2007-02-21 18:05:17 +01:00 committed by Jeff Garzik
parent b1adf031a1
commit 9dc6f0e789
1 changed files with 23 additions and 4 deletions
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27
drivers/net/myri10ge/myri10ge.c
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@ -195,6 +195,10 @@ struct myri10ge_priv {
char *fw_name;
char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE];
char fw_version[128];
int fw_ver_major;
int fw_ver_minor;
int fw_ver_tiny;
int adopted_rx_filter_bug;
u8 mac_addr[6]; /* eeprom mac address */
unsigned long serial_number;
int vendor_specific_offset;
@ -447,7 +451,6 @@ myri10ge_validate_firmware(struct myri10ge_priv *mgp,
struct mcp_gen_header *hdr)
{
struct device *dev = &mgp->pdev->dev;
int major, minor;
/* check firmware type */
if (ntohl(hdr->mcp_type) != MCP_TYPE_ETH) {
@ -458,9 +461,11 @@ myri10ge_validate_firmware(struct myri10ge_priv *mgp,
/* save firmware version for ethtool */
strncpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version));
sscanf(mgp->fw_version, "%d.%d", &major, &minor);
sscanf(mgp->fw_version, "%d.%d.%d", &mgp->fw_ver_major,
&mgp->fw_ver_minor, &mgp->fw_ver_tiny);
if (!(major == MXGEFW_VERSION_MAJOR && minor == MXGEFW_VERSION_MINOR)) {
if (!(mgp->fw_ver_major == MXGEFW_VERSION_MAJOR
&& mgp->fw_ver_minor == MXGEFW_VERSION_MINOR)) {
dev_err(dev, "Found firmware version %s\n", mgp->fw_version);
dev_err(dev, "Driver needs %d.%d\n", MXGEFW_VERSION_MAJOR,
MXGEFW_VERSION_MINOR);
@ -561,6 +566,18 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp)
memcpy_fromio(hdr, mgp->sram + hdr_offset, bytes);
status = myri10ge_validate_firmware(mgp, hdr);
kfree(hdr);
/* check to see if adopted firmware has bug where adopting
* it will cause broadcasts to be filtered unless the NIC
* is kept in ALLMULTI mode */
if (mgp->fw_ver_major == 1 && mgp->fw_ver_minor == 4 &&
mgp->fw_ver_tiny >= 4 && mgp->fw_ver_tiny <= 11) {
mgp->adopted_rx_filter_bug = 1;
dev_warn(dev, "Adopting fw %d.%d.%d: "
"working around rx filter bug\n",
mgp->fw_ver_major, mgp->fw_ver_minor,
mgp->fw_ver_tiny);
}
return status;
}
@ -794,6 +811,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr);
myri10ge_change_promisc(mgp, 0, 0);
myri10ge_change_pause(mgp, mgp->pause);
if (mgp->adopted_rx_filter_bug)
(void)myri10ge_send_cmd(mgp, MXGEFW_ENABLE_ALLMULTI, &cmd, 1);
return status;
}
@ -2239,7 +2258,7 @@ static void myri10ge_set_multicast_list(struct net_device *dev)
myri10ge_change_promisc(mgp, dev->flags & IFF_PROMISC, 1);
/* This firmware is known to not support multicast */
if (!mgp->fw_multicast_support)
if (!mgp->fw_multicast_support || mgp->adopted_rx_filter_bug)
return;
/* Disable multicast filtering */