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cxgb4: use CLIP with LIP6 on T6 for TCAM filters

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On T6, LIP compression is always enabled for IPv6 and uncompressed
IPv6 for LIP is not supported. So, for IPv6 TCAM filters on T6,
add LIP6 to CLIP on filter creation, and release the same on filter
deletion.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ganesh Goudar 2017-12-27 13:12:57 +05:30 committed by David S. Miller
parent ef27e2ccde
commit a9add1944e
1 changed files with 11 additions and 1 deletions
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12
drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
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@ -694,7 +694,7 @@ void clear_filter(struct adapter *adap, struct filter_entry *f)
if (f->smt)
cxgb4_smt_release(f->smt);
if (f->fs.hash && f->fs.type)
if ((f->fs.hash || is_t6(adap->params.chip)) && f->fs.type)
cxgb4_clip_release(f->dev, (const u32 *)&f->fs.val.lip, 1);
/* The zeroing of the filter rule below clears the filter valid,
@ -1291,6 +1291,16 @@ int __cxgb4_set_filter(struct net_device *dev, int filter_id,
if (f->valid)
clear_filter(adapter, f);
if (is_t6(adapter->params.chip) && fs->type &&
ipv6_addr_type((const struct in6_addr *)fs->val.lip) !=
IPV6_ADDR_ANY) {
ret = cxgb4_clip_get(dev, (const u32 *)&fs->val.lip, 1);
if (ret) {
cxgb4_clear_ftid(&adapter->tids, filter_id, PF_INET6);
return ret;
}
}
/* Convert the filter specification into our internal format.
* We copy the PF/VF specification into the Outer VLAN field
* here so the rest of the code -- including the interface to