diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-06 18:05:43 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-06 18:05:43 -0700 |
commit | 3989203290fba6fdf6bc4825fbf6526e1bf17977 (patch) | |
tree | 2fb2012e6136d3b8acbf10eaee6dce95afc6f781 /drivers/net/e1000/e1000_main.c | |
parent | d508afb437daee7cf07da085b635c44a4ebf9b38 (diff) | |
parent | 37efa239901493694a48f1d6f59f8de17c2c4509 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
b44: Use kernel DMA addresses for the kernel DMA API
forcedeth: Fix resume from hibernation regression.
xfrm: fix fragmentation on inter family tunnels
ibm_newemac: Fix dangerous struct assumption
gigaset: documentation update
gigaset: in file ops, check for device disconnect before anything else
bas_gigaset: use tasklet_hi_schedule for timing critical tasklets
net/802/fddi.c: add MODULE_LICENSE
smsc911x: remove unused #include <linux/version.h>
axnet_cs: fix phy_id detection for bogus Asix chip.
bnx2: Use request_firmware()
b44: Fix sizes passed to b44_sync_dma_desc_for_{device,cpu}()
socket: use percpu_add() while updating sockets_in_use
virtio_net: Set the mac config only when VIRITO_NET_F_MAC
myri_sbus: use request_firmware
e1000: fix loss of multicast packets
vxge: should include tcp.h
Conflict in firmware/WHENCE (SCSI vs net firmware)
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r-- | drivers/net/e1000/e1000_main.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 93b861d032b..a65023d772c 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2335,6 +2335,12 @@ static void e1000_set_rx_mode(struct net_device *netdev) int mta_reg_count = (hw->mac_type == e1000_ich8lan) ? E1000_NUM_MTA_REGISTERS_ICH8LAN : E1000_NUM_MTA_REGISTERS; + u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC); + + if (!mcarray) { + DPRINTK(PROBE, ERR, "memory allocation failed\n"); + return; + } if (hw->mac_type == e1000_ich8lan) rar_entries = E1000_RAR_ENTRIES_ICH8LAN; @@ -2401,22 +2407,34 @@ static void e1000_set_rx_mode(struct net_device *netdev) } WARN_ON(uc_ptr != NULL); - /* clear the old settings from the multicast hash table */ - - for (i = 0; i < mta_reg_count; i++) { - E1000_WRITE_REG_ARRAY(hw, MTA, i, 0); - E1000_WRITE_FLUSH(); - } - /* load any remaining addresses into the hash table */ for (; mc_ptr; mc_ptr = mc_ptr->next) { + u32 hash_reg, hash_bit, mta; hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr); - e1000_mta_set(hw, hash_value); + hash_reg = (hash_value >> 5) & 0x7F; + hash_bit = hash_value & 0x1F; + mta = (1 << hash_bit); + mcarray[hash_reg] |= mta; } + /* write the hash table completely, write from bottom to avoid + * both stupid write combining chipsets, and flushing each write */ + for (i = mta_reg_count - 1; i >= 0 ; i--) { + /* + * If we are on an 82544 has an errata where writing odd + * offsets overwrites the previous even offset, but writing + * backwards over the range solves the issue by always + * writing the odd offset first + */ + E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]); + } + E1000_WRITE_FLUSH(); + if (hw->mac_type == e1000_82542_rev2_0) e1000_leave_82542_rst(adapter); + + kfree(mcarray); } /* Need to wait a few seconds after link up to get diagnostic information from |