netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Raju Rangoju <rajur@chelsio.com>
To: netdev@vger.kernel.org, davem@davemloft.net
Cc: nirranjan@chelsio.com, dt@chelsio.com, rajur@chelsio.com
Subject: [PATCH v3 net-next 2/4] cxgb4: Add MPS TCAM refcounting for raw mac filters
Date: Mon, 24 Jun 2019 23:05:33 +0530	[thread overview]
Message-ID: <20190624173535.12572-3-rajur@chelsio.com> (raw)
In-Reply-To: <20190624173535.12572-1-rajur@chelsio.com>

This patch adds TCAM reference counting
support for raw mac filters.

Signed-off-by: Raju Rangoju <rajur@chelsio.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4.h     | 16 +++++++++
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c | 46 ++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 39ccd4c64d48..c7ab57fd03be 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -1919,5 +1919,21 @@ int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
 			       u8 dip_hit, u8 lookup_type, bool sleep_ok);
 int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
 			      int idx, bool sleep_ok);
+int cxgb4_free_raw_mac_filt(struct adapter *adap,
+			    unsigned int viid,
+			    const u8 *addr,
+			    const u8 *mask,
+			    unsigned int idx,
+			    u8 lookup_type,
+			    u8 port_id,
+			    bool sleep_ok);
+int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
+			     unsigned int viid,
+			     const u8 *addr,
+			     const u8 *mask,
+			     unsigned int idx,
+			     u8 lookup_type,
+			     u8 port_id,
+			     bool sleep_ok);
 
 #endif /* __CXGB4_H__ */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c
index b8a5375bf64d..b942748c7dfa 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c
@@ -54,6 +54,52 @@ static int cxgb4_mps_ref_inc(struct adapter *adap, const u8 *mac_addr,
 	return ret;
 }
 
+int cxgb4_free_raw_mac_filt(struct adapter *adap,
+			    unsigned int viid,
+			    const u8 *addr,
+			    const u8 *mask,
+			    unsigned int idx,
+			    u8 lookup_type,
+			    u8 port_id,
+			    bool sleep_ok)
+{
+	int ret = 0;
+
+	if (!cxgb4_mps_ref_dec(adap, idx))
+		ret = t4_free_raw_mac_filt(adap, viid, addr,
+					   mask, idx, lookup_type,
+					   port_id, sleep_ok);
+
+	return ret;
+}
+
+int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
+			     unsigned int viid,
+			     const u8 *addr,
+			     const u8 *mask,
+			     unsigned int idx,
+			     u8 lookup_type,
+			     u8 port_id,
+			     bool sleep_ok)
+{
+	int ret;
+
+	ret = t4_alloc_raw_mac_filt(adap, viid, addr,
+				    mask, idx, lookup_type,
+				    port_id, sleep_ok);
+	if (ret < 0)
+		return ret;
+
+	if (cxgb4_mps_ref_inc(adap, addr, ret, mask)) {
+		ret = -ENOMEM;
+		t4_free_raw_mac_filt(adap, viid, addr,
+				     mask, idx, lookup_type,
+				     port_id, sleep_ok);
+	}
+
+	return ret;
+}
+
 int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
 			      int idx, bool sleep_ok)
 {
-- 
2.12.0


  parent reply	other threads:[~2019-06-24 17:36 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-24 17:35 [PATCH v3 net-next 0/4] cxgb4: Reference count MPS TCAM entries within a PF Raju Rangoju
2019-06-24 17:35 ` [PATCH v3 net-next 1/4] cxgb4: Re-work the logic for mps refcounting Raju Rangoju
2019-06-24 17:35 ` Raju Rangoju [this message]
2019-06-24 17:35 ` [PATCH v3 net-next 3/4] cxgb4: Add MPS TCAM refcounting for cxgb4 change mac Raju Rangoju
2019-06-24 17:35 ` [PATCH v3 net-next 4/4] cxgb4: Add MPS refcounting for alloc/free mac filters Raju Rangoju
2019-06-24 21:56 ` [PATCH v3 net-next 0/4] cxgb4: Reference count MPS TCAM entries within a PF David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190624173535.12572-3-rajur@chelsio.com \
    --to=rajur@chelsio.com \
    --cc=davem@davemloft.net \
    --cc=dt@chelsio.com \
    --cc=netdev@vger.kernel.org \
    --cc=nirranjan@chelsio.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).