[PATCH net-next 1/5] net: microchip: sparx5: Differentiate IPv4 and IPv6 traffic in keyset config

From: Steen Hegelund
Date: Thu Oct 27 2022 - 10:43:30 EST


This changes the port keyset configuration for Sparx5 IS2 so that

- IPv4 generates a IP4_TCP_UDP keyset for IPv4 TCP/UDP frames and a
IP4_OTHER keyset for other IPv4 frames (both UC and MC)
- IPv6 generates a IP_7TUPLE keyset (both UC and MC)

ARP and non-IP traffic continues to generate the MAC_ETYPE keyset

Signed-off-by: Steen Hegelund <steen.hegelund@xxxxxxxxxxxxx>
---
.../microchip/sparx5/sparx5_vcap_impl.c | 21 ++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.c b/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.c
index 50153264179e..e4428d55af2b 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.c
@@ -21,6 +21,14 @@
#define STREAMSIZE (64 * 4) /* bytes in the VCAP cache area */

#define SPARX5_IS2_LOOKUPS 4
+#define VCAP_IS2_KEYSEL(_ena, _noneth, _v4_mc, _v4_uc, _v6_mc, _v6_uc, _arp) \
+ (ANA_ACL_VCAP_S2_KEY_SEL_KEY_SEL_ENA_SET(_ena) | \
+ ANA_ACL_VCAP_S2_KEY_SEL_NON_ETH_KEY_SEL_SET(_noneth) | \
+ ANA_ACL_VCAP_S2_KEY_SEL_IP4_MC_KEY_SEL_SET(_v4_mc) | \
+ ANA_ACL_VCAP_S2_KEY_SEL_IP4_UC_KEY_SEL_SET(_v4_uc) | \
+ ANA_ACL_VCAP_S2_KEY_SEL_IP6_MC_KEY_SEL_SET(_v6_mc) | \
+ ANA_ACL_VCAP_S2_KEY_SEL_IP6_UC_KEY_SEL_SET(_v6_uc) | \
+ ANA_ACL_VCAP_S2_KEY_SEL_ARP_KEY_SEL_SET(_arp))

/* IS2 port keyset selection control */

@@ -368,13 +376,12 @@ static void sparx5_vcap_port_key_selection(struct sparx5 *sparx5,
/* all traffic types generate the MAC_ETYPE keyset for now in all
* lookups on all ports
*/
- keysel = ANA_ACL_VCAP_S2_KEY_SEL_KEY_SEL_ENA_SET(true) |
- ANA_ACL_VCAP_S2_KEY_SEL_NON_ETH_KEY_SEL_SET(VCAP_IS2_PS_NONETH_MAC_ETYPE) |
- ANA_ACL_VCAP_S2_KEY_SEL_IP4_MC_KEY_SEL_SET(VCAP_IS2_PS_IPV4_MC_MAC_ETYPE) |
- ANA_ACL_VCAP_S2_KEY_SEL_IP4_UC_KEY_SEL_SET(VCAP_IS2_PS_IPV4_UC_MAC_ETYPE) |
- ANA_ACL_VCAP_S2_KEY_SEL_IP6_MC_KEY_SEL_SET(VCAP_IS2_PS_IPV6_MC_MAC_ETYPE) |
- ANA_ACL_VCAP_S2_KEY_SEL_IP6_UC_KEY_SEL_SET(VCAP_IS2_PS_IPV6_UC_MAC_ETYPE) |
- ANA_ACL_VCAP_S2_KEY_SEL_ARP_KEY_SEL_SET(VCAP_IS2_PS_ARP_MAC_ETYPE);
+ keysel = VCAP_IS2_KEYSEL(true, VCAP_IS2_PS_NONETH_MAC_ETYPE,
+ VCAP_IS2_PS_IPV4_MC_IP4_TCP_UDP_OTHER,
+ VCAP_IS2_PS_IPV4_UC_IP4_TCP_UDP_OTHER,
+ VCAP_IS2_PS_IPV6_MC_IP_7TUPLE,
+ VCAP_IS2_PS_IPV6_UC_IP_7TUPLE,
+ VCAP_IS2_PS_ARP_MAC_ETYPE);
for (lookup = 0; lookup < admin->lookups; ++lookup) {
for (portno = 0; portno < SPX5_PORTS; ++portno) {
spx5_wr(keysel, sparx5,
--
2.38.1