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Fix the igb(4) redirection table to correctly populate.

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This is similar to the ixgbe(4) fix.

Tested:

* Intel I350 gigabit adapter
This commit is contained in:
adrian 2014-07-23 05:40:28 +00:00
parent e972917c13
commit 632785a095
1 changed files with 14 additions and 10 deletions
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24
sys/dev/e1000/if_igb.c
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@ -4569,12 +4569,8 @@ igb_initialise_rss_mapping(struct adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
int i;
int queue_id;
u32 reta;
u32 rss_key[10], mrqc, shift = 0;
union igb_reta {
u32 dword;
u8 bytes[4];
} reta;
/* XXX? */
if (adapter->hw.mac.type == e1000_82575)
@ -4594,6 +4590,7 @@ igb_initialise_rss_mapping(struct adapter *adapter)
*/
/* Warning FM follows */
reta = 0;
for (i = 0; i < 128; i++) {
#ifdef RSS
queue_id = rss_get_indirection_to_bucket(i);
@ -4614,14 +4611,21 @@ igb_initialise_rss_mapping(struct adapter *adapter)
#else
queue_id = (i % adapter->num_queues);
#endif
reta.bytes[i & 3] = queue_id << shift;
/* Adjust if required */
queue_id = queue_id << shift;
if ((i & 3) == 3)
E1000_WRITE_REG(hw,
E1000_RETA(i >> 2), reta.dword);
/*
* The low 8 bits are for hash value (n+0);
* The next 8 bits are for hash value (n+1), etc.
*/
reta = reta >> 8;
reta = reta | ( ((uint32_t) queue_id) << 24);
if ((i & 3) == 3) {
E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
reta = 0;
}
}
/* Now fill in hash table */
/* XXX This means RSS enable + 8 queues for my igb (82580.) */