Commit Graph

4 Commits

Author SHA1 Message Date
Raju Rangoju e381a1cb65 cxgb4: add tcb flags and tcb rpl struct
This patch adds the tcb flags and structures needed for querying tcb
information.

Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-02-08 17:02:05 -07:00
Kumar Sanghvi 3b0b3bee56 cxgb4: add support to delete hash filter
Use a combined ulptx work-request to send hash filter deletion
request to hw. Hash filter deletion reply is processed on
getting cpl_abort_rpl_rss.

Release any L2T/SMT/CLIP entries on filter deletion.
Also, free up the corresponding filter entry.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-01 22:06:03 +09:00
Kumar Sanghvi 12b276fbf6 cxgb4: add support to create hash filters
Add support to create hash (exact-match) filters based on the value
of 'hash' field in ch_filter_specification.

Allocate SMT/L2T entries if DMAC-rewrite/SMAC-rewrite is requested.

Allocate CLIP entry in case of IPv6 filter.

Use cpl_act_open_req[6] to send hash filter create request to hw.
Also, the filter tuple is calculated as part of sending this request.

Hash-filter reply is processed on getting cpl_act_open_rpl.
In case of success, various bits/fields in filter-tcb are set per
filter requirement, such as enabling filter hitcnts, and/or various
header rewrite operations, such as VLAN-rewrite, NAT or
(L3/L4)-rewrite, and SMAC/DMAC-rewrite. In case of failure, clear the
filter entry and release any hw resources occupied by it.

The patch also moves the functions set_tcb_field, set_tcb_tflag and
configure_filter_smac towards beginning of file.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-01 22:06:03 +09:00
Kumar Sanghvi 3bdb376e69 cxgb4: introduce SMT ops to prepare for SMAC rewrite support
Introduce SMT operations for allocating/removing entries from
SMAC table. Make TCAM filters use the SMT ops whenever SMAC rewrite
is required.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-20 13:06:53 +01:00