net: dsa: bcm_sf2: Add support for IPv6 CFP rules

Inserting IPv6 CFP rules complicates the code a little bit in that we need to insert two rules side by side and chain them to match a full IPv6 tuple (src, dst IPv6 + port + protocol). Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Oct 23, 2017 · ba0696c · ba0696c
1 parent 4daa70c
commit ba0696c
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Showing 4 changed files with 534 additions and 40 deletions.
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
@@ -1067,6 +1067,7 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
 	 * permanently used
 	 */
 	set_bit(0, priv->cfp.used);
+	set_bit(0, priv->cfp.unique);
 
 	bcm_sf2_identify_ports(priv, dn->child);
 

diff --git a/drivers/net/dsa/bcm_sf2.h b/drivers/net/dsa/bcm_sf2.h
@@ -54,6 +54,7 @@ struct bcm_sf2_cfp_priv {
 	/* Mutex protecting concurrent accesses to the CFP registers */
 	struct mutex lock;
 	DECLARE_BITMAP(used, CFP_NUM_RULES);
+	DECLARE_BITMAP(unique, CFP_NUM_RULES);
 	unsigned int rules_cnt;
 };