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e1000e: specify max supported frame size in adapter struct

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By putting the maximum frame size supported by the hardware into the
adapter structure, the change_mtu entry point function can be cleaned
up of checks for all the different max frame sizes supported by

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bruce Allan
2009-06-02 11:28:58 +00:00
committed by David S. Miller
parent 3ec2a2b80f
commit 2adc55c959
5 changed files with 31 additions and 20 deletions
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11
drivers/net/e1000e/82571.c
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@@ -341,8 +341,10 @@ static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
if (e1000_read_nvm(&adapter->hw, NVM_INIT_3GIO_3, 1,
&eeprom_data) < 0)
break;
if (eeprom_data & NVM_WORD1A_ASPM_MASK)
adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES;
if (!(eeprom_data & NVM_WORD1A_ASPM_MASK)) {
adapter->flags |= FLAG_HAS_JUMBO_FRAMES;
adapter->max_hw_frame_size = DEFAULT_JUMBO;
}
}
break;
default:
@@ -1672,6 +1674,7 @@ struct e1000_info e1000_82571_info = {
| FLAG_TARC_SPEED_MODE_BIT /* errata */
| FLAG_APME_CHECK_PORT_B,
.pba = 38,
.max_hw_frame_size = DEFAULT_JUMBO,
.get_variants = e1000_get_variants_82571,
.mac_ops = &e82571_mac_ops,
.phy_ops = &e82_phy_ops_igp,
@@ -1688,6 +1691,7 @@ struct e1000_info e1000_82572_info = {
| FLAG_HAS_CTRLEXT_ON_LOAD
| FLAG_TARC_SPEED_MODE_BIT, /* errata */
.pba = 38,
.max_hw_frame_size = DEFAULT_JUMBO,
.get_variants = e1000_get_variants_82571,
.mac_ops = &e82571_mac_ops,
.phy_ops = &e82_phy_ops_igp,
@@ -1706,6 +1710,7 @@ struct e1000_info e1000_82573_info = {
| FLAG_HAS_ERT
| FLAG_HAS_SWSM_ON_LOAD,
.pba = 20,
.max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN,
.get_variants = e1000_get_variants_82571,
.mac_ops = &e82571_mac_ops,
.phy_ops = &e82_phy_ops_m88,
@@ -1724,6 +1729,7 @@ struct e1000_info e1000_82574_info = {
| FLAG_HAS_AMT
| FLAG_HAS_CTRLEXT_ON_LOAD,
.pba = 20,
.max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN,
.get_variants = e1000_get_variants_82571,
.mac_ops = &e82571_mac_ops,
.phy_ops = &e82_phy_ops_bm,
@@ -1740,6 +1746,7 @@ struct e1000_info e1000_82583_info = {
| FLAG_HAS_AMT
| FLAG_HAS_CTRLEXT_ON_LOAD,
.pba = 20,
.max_hw_frame_size = DEFAULT_JUMBO,
.get_variants = e1000_get_variants_82571,
.mac_ops = &e82571_mac_ops,
.phy_ops = &e82_phy_ops_bm,