linux-kernel - [PATCH net-next 12/19] net: ethernet: ti: ale: do not auto delete mcast super entries

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Date:   Tue, 23 Apr 2019 16:09:03 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     <netdev@...r.kernel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        "David S . Miller" <davem@...emloft.net>,
        Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
CC:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>, Sekhar Nori <nsekhar@...com>,
        <linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
        Murali Karicheri <m-karicheri2@...com>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: [PATCH net-next 12/19] net: ethernet: ti: ale: do not auto delete mcast super entries

Do not delete multicast supervisory packet's (SUPER) entries while flushing
multicast addresses from ALE table cpsw_ale_flush_multicast(). Those
entries have to be added/removed only explicitly.

Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
---
 drivers/net/ethernet/ti/cpsw_ale.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index f7369982ae33..d09768368dbd 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -280,6 +280,9 @@ int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid)
 		if (cpsw_ale_get_mcast(ale_entry)) {
 			u8 addr[6];
 
+			if (cpsw_ale_get_super(ale_entry))
+				continue;
+
 			cpsw_ale_get_addr(ale_entry, addr);
 			if (!is_broadcast_ether_addr(addr))
 				cpsw_ale_flush_mcast(ale, ale_entry, port_mask);
-- 
2.17.1