d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Correctly program the RSS redirection table entries.

Browse Source 
Without this, the RSS bucket assignments aren't correct - they're
DCBA instead of ABCD in each DWORD.

Tested:	82599EB ixgbe(4), TCP and UDP RSS
This commit is contained in:
Adrian Chadd 2014-07-20 04:11:18 +00:00
parent 31411fea11
commit c64a6bc62d
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sys/dev/ixgbe/ixgbe.c
View File

@ -4230,10 +4230,16 @@ ixgbe_initialise_rss_mapping(struct adapter *adapter)
#else
queue_id = (j * 0x11);
#endif
/* XXX endian? */
reta = (reta << 8) | queue_id;
if ((i & 3) == 3)
/*
* 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) {
IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta);
reta = 0;
}
}
/* Now fill our hash function seeds */