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net: microchip: sparx5: Add raw VCAP debugFS support for the VCAP API
This adds support for decoding VCAP rules with a minimum number of attributes: address, rule size and keyset. This allows for a quick inspection of a VCAP instance to determine if the rule are present and in the correct order. Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steen Hegelund
David S. Miller
parent
e0305cc1d1
commit
d4134d41e3
@ -13,11 +13,188 @@
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#include "sparx5_vcap_impl.h"
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#include "sparx5_vcap_ag_api.h"
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static void sparx5_vcap_port_keys(struct sparx5 *sparx5,
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struct vcap_admin *admin,
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struct sparx5_port *port,
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struct vcap_output_print *out)
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{
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int lookup;
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u32 value;
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out->prf(out->dst, " port[%02d] (%s): ", port->portno,
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netdev_name(port->ndev));
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for (lookup = 0; lookup < admin->lookups; ++lookup) {
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out->prf(out->dst, "\n Lookup %d: ", lookup);
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/* Get lookup state */
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value = spx5_rd(sparx5, ANA_ACL_VCAP_S2_CFG(port->portno));
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out->prf(out->dst, "\n state: ");
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if (ANA_ACL_VCAP_S2_CFG_SEC_ENA_GET(value))
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out->prf(out->dst, "on");
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else
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out->prf(out->dst, "off");
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/* Get key selection state */
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value = spx5_rd(sparx5,
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ANA_ACL_VCAP_S2_KEY_SEL(port->portno, lookup));
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out->prf(out->dst, "\n noneth: ");
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switch (ANA_ACL_VCAP_S2_KEY_SEL_NON_ETH_KEY_SEL_GET(value)) {
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case VCAP_IS2_PS_NONETH_MAC_ETYPE:
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out->prf(out->dst, "mac_etype");
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break;
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case VCAP_IS2_PS_NONETH_CUSTOM_1:
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out->prf(out->dst, "custom1");
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break;
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case VCAP_IS2_PS_NONETH_CUSTOM_2:
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out->prf(out->dst, "custom2");
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break;
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case VCAP_IS2_PS_NONETH_NO_LOOKUP:
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out->prf(out->dst, "none");
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break;
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}
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out->prf(out->dst, "\n ipv4_mc: ");
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switch (ANA_ACL_VCAP_S2_KEY_SEL_IP4_MC_KEY_SEL_GET(value)) {
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case VCAP_IS2_PS_IPV4_MC_MAC_ETYPE:
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out->prf(out->dst, "mac_etype");
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break;
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case VCAP_IS2_PS_IPV4_MC_IP4_TCP_UDP_OTHER:
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out->prf(out->dst, "ip4_tcp_udp ip4_other");
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break;
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case VCAP_IS2_PS_IPV4_MC_IP_7TUPLE:
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out->prf(out->dst, "ip_7tuple");
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break;
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case VCAP_IS2_PS_IPV4_MC_IP4_VID:
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out->prf(out->dst, "ip4_vid");
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break;
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}
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out->prf(out->dst, "\n ipv4_uc: ");
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switch (ANA_ACL_VCAP_S2_KEY_SEL_IP4_UC_KEY_SEL_GET(value)) {
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case VCAP_IS2_PS_IPV4_UC_MAC_ETYPE:
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out->prf(out->dst, "mac_etype");
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break;
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case VCAP_IS2_PS_IPV4_UC_IP4_TCP_UDP_OTHER:
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out->prf(out->dst, "ip4_tcp_udp ip4_other");
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break;
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case VCAP_IS2_PS_IPV4_UC_IP_7TUPLE:
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out->prf(out->dst, "ip_7tuple");
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break;
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}
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out->prf(out->dst, "\n ipv6_mc: ");
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switch (ANA_ACL_VCAP_S2_KEY_SEL_IP6_MC_KEY_SEL_GET(value)) {
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case VCAP_IS2_PS_IPV6_MC_MAC_ETYPE:
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out->prf(out->dst, "mac_etype");
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break;
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case VCAP_IS2_PS_IPV6_MC_IP_7TUPLE:
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out->prf(out->dst, "ip_7tuple");
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break;
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case VCAP_IS2_PS_IPV6_MC_IP6_VID:
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out->prf(out->dst, "ip6_vid");
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break;
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case VCAP_IS2_PS_IPV6_MC_IP6_STD:
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out->prf(out->dst, "ip6_std");
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break;
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case VCAP_IS2_PS_IPV6_MC_IP4_TCP_UDP_OTHER:
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out->prf(out->dst, "ip4_tcp_udp ipv4_other");
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break;
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}
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out->prf(out->dst, "\n ipv6_uc: ");
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switch (ANA_ACL_VCAP_S2_KEY_SEL_IP6_UC_KEY_SEL_GET(value)) {
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case VCAP_IS2_PS_IPV6_UC_MAC_ETYPE:
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out->prf(out->dst, "mac_etype");
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break;
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case VCAP_IS2_PS_IPV6_UC_IP_7TUPLE:
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out->prf(out->dst, "ip_7tuple");
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break;
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case VCAP_IS2_PS_IPV6_UC_IP6_STD:
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out->prf(out->dst, "ip6_std");
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break;
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case VCAP_IS2_PS_IPV6_UC_IP4_TCP_UDP_OTHER:
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out->prf(out->dst, "ip4_tcp_udp ip4_other");
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break;
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}
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out->prf(out->dst, "\n arp: ");
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switch (ANA_ACL_VCAP_S2_KEY_SEL_ARP_KEY_SEL_GET(value)) {
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case VCAP_IS2_PS_ARP_MAC_ETYPE:
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out->prf(out->dst, "mac_etype");
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break;
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case VCAP_IS2_PS_ARP_ARP:
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out->prf(out->dst, "arp");
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break;
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}
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}
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out->prf(out->dst, "\n");
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}
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static void sparx5_vcap_port_stickies(struct sparx5 *sparx5,
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struct vcap_admin *admin,
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struct vcap_output_print *out)
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{
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int lookup;
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u32 value;
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out->prf(out->dst, " Sticky bits: ");
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for (lookup = 0; lookup < admin->lookups; ++lookup) {
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out->prf(out->dst, "\n Lookup %d: ", lookup);
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/* Get lookup sticky bits */
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value = spx5_rd(sparx5, ANA_ACL_SEC_LOOKUP_STICKY(lookup));
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if (ANA_ACL_SEC_LOOKUP_STICKY_KEY_SEL_CLM_STICKY_GET(value))
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out->prf(out->dst, " sel_clm");
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if (ANA_ACL_SEC_LOOKUP_STICKY_KEY_SEL_IRLEG_STICKY_GET(value))
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out->prf(out->dst, " sel_irleg");
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if (ANA_ACL_SEC_LOOKUP_STICKY_KEY_SEL_ERLEG_STICKY_GET(value))
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out->prf(out->dst, " sel_erleg");
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if (ANA_ACL_SEC_LOOKUP_STICKY_KEY_SEL_PORT_STICKY_GET(value))
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out->prf(out->dst, " sel_port");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_CUSTOM2_STICKY_GET(value))
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out->prf(out->dst, " custom2");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_CUSTOM1_STICKY_GET(value))
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out->prf(out->dst, " custom1");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_OAM_STICKY_GET(value))
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out->prf(out->dst, " oam");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_IP6_VID_STICKY_GET(value))
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out->prf(out->dst, " ip6_vid");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_IP6_STD_STICKY_GET(value))
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out->prf(out->dst, " ip6_std");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_IP6_TCPUDP_STICKY_GET(value))
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out->prf(out->dst, " ip6_tcpudp");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_IP_7TUPLE_STICKY_GET(value))
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out->prf(out->dst, " ip_7tuple");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_IP4_VID_STICKY_GET(value))
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out->prf(out->dst, " ip4_vid");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_IP4_TCPUDP_STICKY_GET(value))
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out->prf(out->dst, " ip4_tcpudp");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_IP4_OTHER_STICKY_GET(value))
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out->prf(out->dst, " ip4_other");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_ARP_STICKY_GET(value))
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out->prf(out->dst, " arp");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_MAC_SNAP_STICKY_GET(value))
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out->prf(out->dst, " mac_snap");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_MAC_LLC_STICKY_GET(value))
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out->prf(out->dst, " mac_llc");
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if (ANA_ACL_SEC_LOOKUP_STICKY_SEC_TYPE_MAC_ETYPE_STICKY_GET(value))
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out->prf(out->dst, " mac_etype");
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/* Clear stickies */
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spx5_wr(value, sparx5, ANA_ACL_SEC_LOOKUP_STICKY(lookup));
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}
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out->prf(out->dst, "\n");
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}
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/* Provide port information via a callback interface */
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int sparx5_port_info(struct net_device *ndev,
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struct vcap_admin *admin,
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struct vcap_output_print *out)
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{
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/* this will be added later */
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struct sparx5_port *port = netdev_priv(ndev);
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struct sparx5 *sparx5 = port->sparx5;
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const struct vcap_info *vcap;
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struct vcap_control *vctrl;
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vctrl = sparx5->vcap_ctrl;
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vcap = &vctrl->vcaps[admin->vtype];
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out->prf(out->dst, "%s:\n", vcap->name);
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sparx5_vcap_port_keys(sparx5, admin, port, out);
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sparx5_vcap_port_stickies(sparx5, admin, out);
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return 0;
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}
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@ -6,28 +6,7 @@
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#include <linux/types.h>
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#include "vcap_api.h"
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#include "vcap_api_client.h"
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#define to_intrule(rule) container_of((rule), struct vcap_rule_internal, data)
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/* Private VCAP API rule data */
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struct vcap_rule_internal {
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struct vcap_rule data; /* provided by the client */
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struct list_head list; /* for insertion in the vcap admin list of rules */
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struct vcap_admin *admin; /* vcap hw instance */
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struct net_device *ndev; /* the interface that the rule applies to */
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struct vcap_control *vctrl; /* the client control */
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u32 sort_key; /* defines the position in the VCAP */
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int keyset_sw; /* subwords in a keyset */
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int actionset_sw; /* subwords in an actionset */
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int keyset_sw_regs; /* registers in a subword in an keyset */
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int actionset_sw_regs; /* registers in a subword in an actionset */
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int size; /* the size of the rule: max(entry, action) */
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u32 addr; /* address in the VCAP at insertion */
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u32 counter_id; /* counter id (if a dedicated counter is available) */
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struct vcap_counter counter; /* last read counter value */
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};
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#include "vcap_api_private.h"
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/* Moving a rule in the VCAP address space */
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struct vcap_rule_move {
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@ -36,16 +15,6 @@ struct vcap_rule_move {
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int count; /* blocksize of addresses to move */
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};
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/* Bit iterator for the VCAP cache streams */
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struct vcap_stream_iter {
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u32 offset; /* bit offset from the stream start */
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u32 sw_width; /* subword width in bits */
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u32 regs_per_sw; /* registers per subword */
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u32 reg_idx; /* current register index */
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u32 reg_bitpos; /* bit offset in current register */
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const struct vcap_typegroup *tg; /* current typegroup */
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};
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/* Stores the filter cookie that enabled the port */
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struct vcap_enabled_port {
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struct list_head list; /* for insertion in enabled ports list */
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@ -53,8 +22,8 @@ struct vcap_enabled_port {
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unsigned long cookie; /* filter that enabled the port */
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};
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static void vcap_iter_set(struct vcap_stream_iter *itr, int sw_width,
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const struct vcap_typegroup *tg, u32 offset)
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void vcap_iter_set(struct vcap_stream_iter *itr, int sw_width,
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const struct vcap_typegroup *tg, u32 offset)
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{
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memset(itr, 0, sizeof(*itr));
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itr->offset = offset;
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@ -74,7 +43,7 @@ static void vcap_iter_skip_tg(struct vcap_stream_iter *itr)
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}
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}
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static void vcap_iter_update(struct vcap_stream_iter *itr)
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void vcap_iter_update(struct vcap_stream_iter *itr)
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{
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int sw_idx, sw_bitpos;
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@ -86,15 +55,15 @@ static void vcap_iter_update(struct vcap_stream_iter *itr)
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itr->reg_bitpos = sw_bitpos % 32;
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}
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static void vcap_iter_init(struct vcap_stream_iter *itr, int sw_width,
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const struct vcap_typegroup *tg, u32 offset)
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void vcap_iter_init(struct vcap_stream_iter *itr, int sw_width,
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const struct vcap_typegroup *tg, u32 offset)
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{
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vcap_iter_set(itr, sw_width, tg, offset);
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vcap_iter_skip_tg(itr);
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vcap_iter_update(itr);
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}
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static void vcap_iter_next(struct vcap_stream_iter *itr)
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void vcap_iter_next(struct vcap_stream_iter *itr)
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{
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itr->offset++;
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vcap_iter_skip_tg(itr);
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@ -179,9 +148,9 @@ static void vcap_encode_typegroups(u32 *stream, int sw_width,
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}
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/* Return the list of keyfields for the keyset */
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static const struct vcap_field *vcap_keyfields(struct vcap_control *vctrl,
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enum vcap_type vt,
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enum vcap_keyfield_set keyset)
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const struct vcap_field *vcap_keyfields(struct vcap_control *vctrl,
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enum vcap_type vt,
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enum vcap_keyfield_set keyset)
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{
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/* Check that the keyset exists in the vcap keyset list */
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if (keyset >= vctrl->vcaps[vt].keyfield_set_size)
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@ -190,9 +159,9 @@ static const struct vcap_field *vcap_keyfields(struct vcap_control *vctrl,
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}
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/* Return the keyset information for the keyset */
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static const struct vcap_set *vcap_keyfieldset(struct vcap_control *vctrl,
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enum vcap_type vt,
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enum vcap_keyfield_set keyset)
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const struct vcap_set *vcap_keyfieldset(struct vcap_control *vctrl,
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enum vcap_type vt,
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enum vcap_keyfield_set keyset)
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{
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const struct vcap_set *kset;
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@ -206,7 +175,7 @@ static const struct vcap_set *vcap_keyfieldset(struct vcap_control *vctrl,
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}
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/* Return the typegroup table for the matching keyset (using subword size) */
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static const struct vcap_typegroup *
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const struct vcap_typegroup *
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vcap_keyfield_typegroup(struct vcap_control *vctrl,
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enum vcap_type vt, enum vcap_keyfield_set keyset)
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{
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@ -219,8 +188,8 @@ vcap_keyfield_typegroup(struct vcap_control *vctrl,
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}
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/* Return the number of keyfields in the keyset */
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static int vcap_keyfield_count(struct vcap_control *vctrl,
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enum vcap_type vt, enum vcap_keyfield_set keyset)
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int vcap_keyfield_count(struct vcap_control *vctrl,
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enum vcap_type vt, enum vcap_keyfield_set keyset)
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{
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/* Check that the keyset exists in the vcap keyset list */
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if (keyset >= vctrl->vcaps[vt].keyfield_set_size)
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@ -515,7 +484,7 @@ static int vcap_encode_rule(struct vcap_rule_internal *ri)
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return 0;
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}
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static int vcap_api_check(struct vcap_control *ctrl)
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int vcap_api_check(struct vcap_control *ctrl)
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{
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if (!ctrl) {
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pr_err("%s:%d: vcap control is missing\n", __func__, __LINE__);
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@ -5,11 +5,7 @@
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*
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*/
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#include <linux/types.h>
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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#include <linux/netdevice.h>
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#include "vcap_api_private.h"
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#include "vcap_api_debugfs.h"
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struct vcap_admin_debugfs_info {
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@ -22,6 +18,265 @@ struct vcap_port_debugfs_info {
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struct net_device *ndev;
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};
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static bool vcap_bitarray_zero(int width, u8 *value)
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{
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int bytes = DIV_ROUND_UP(width, BITS_PER_BYTE);
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u8 total = 0, bmask = 0xff;
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int rwidth = width;
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int idx;
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for (idx = 0; idx < bytes; ++idx, rwidth -= BITS_PER_BYTE) {
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if (rwidth && rwidth < BITS_PER_BYTE)
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bmask = (1 << rwidth) - 1;
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total += value[idx] & bmask;
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}
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return total == 0;
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}
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static bool vcap_get_bit(u32 *stream, struct vcap_stream_iter *itr)
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{
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u32 mask = BIT(itr->reg_bitpos);
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u32 *p = &stream[itr->reg_idx];
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return !!(*p & mask);
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}
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static void vcap_decode_field(u32 *stream, struct vcap_stream_iter *itr,
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int width, u8 *value)
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{
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int idx;
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/* Loop over the field value bits and get the field bits and
|
||||
* set them in the output value byte array
|
||||
*/
|
||||
for (idx = 0; idx < width; idx++) {
|
||||
u8 bidx = idx & 0x7;
|
||||
|
||||
/* Decode one field value bit */
|
||||
if (vcap_get_bit(stream, itr))
|
||||
*value |= 1 << bidx;
|
||||
vcap_iter_next(itr);
|
||||
if (bidx == 7)
|
||||
value++;
|
||||
}
|
||||
}
|
||||
|
||||
/* Verify that the typegroup bits have the correct values */
|
||||
static int vcap_verify_typegroups(u32 *stream, int sw_width,
|
||||
const struct vcap_typegroup *tgt, bool mask,
|
||||
int sw_max)
|
||||
{
|
||||
struct vcap_stream_iter iter;
|
||||
int sw_cnt, idx;
|
||||
|
||||
vcap_iter_set(&iter, sw_width, tgt, 0);
|
||||
sw_cnt = 0;
|
||||
while (iter.tg->width) {
|
||||
u32 value = 0;
|
||||
u32 tg_value = iter.tg->value;
|
||||
|
||||
if (mask)
|
||||
tg_value = (1 << iter.tg->width) - 1;
|
||||
/* Set position to current typegroup bit */
|
||||
iter.offset = iter.tg->offset;
|
||||
vcap_iter_update(&iter);
|
||||
for (idx = 0; idx < iter.tg->width; idx++) {
|
||||
/* Decode one typegroup bit */
|
||||
if (vcap_get_bit(stream, &iter))
|
||||
value |= 1 << idx;
|
||||
iter.offset++;
|
||||
vcap_iter_update(&iter);
|
||||
}
|
||||
if (value != tg_value)
|
||||
return -EINVAL;
|
||||
iter.tg++; /* next typegroup */
|
||||
sw_cnt++;
|
||||
/* Stop checking more typegroups */
|
||||
if (sw_max && sw_cnt >= sw_max)
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Find the subword width of the key typegroup that matches the stream data */
|
||||
static int vcap_find_keystream_typegroup_sw(struct vcap_control *vctrl,
|
||||
enum vcap_type vt, u32 *stream,
|
||||
bool mask, int sw_max)
|
||||
{
|
||||
const struct vcap_typegroup **tgt;
|
||||
int sw_idx, res;
|
||||
|
||||
tgt = vctrl->vcaps[vt].keyfield_set_typegroups;
|
||||
/* Try the longest subword match first */
|
||||
for (sw_idx = vctrl->vcaps[vt].sw_count; sw_idx >= 0; sw_idx--) {
|
||||
if (!tgt[sw_idx])
|
||||
continue;
|
||||
|
||||
res = vcap_verify_typegroups(stream, vctrl->vcaps[vt].sw_width,
|
||||
tgt[sw_idx], mask, sw_max);
|
||||
if (res == 0)
|
||||
return sw_idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* Verify that the type id in the stream matches the type id of the keyset */
|
||||
static bool vcap_verify_keystream_keyset(struct vcap_control *vctrl,
|
||||
enum vcap_type vt,
|
||||
u32 *keystream,
|
||||
u32 *mskstream,
|
||||
enum vcap_keyfield_set keyset)
|
||||
{
|
||||
const struct vcap_info *vcap = &vctrl->vcaps[vt];
|
||||
const struct vcap_field *typefld;
|
||||
const struct vcap_typegroup *tgt;
|
||||
const struct vcap_field *fields;
|
||||
struct vcap_stream_iter iter;
|
||||
const struct vcap_set *info;
|
||||
u32 value = 0;
|
||||
u32 mask = 0;
|
||||
|
||||
if (vcap_keyfield_count(vctrl, vt, keyset) == 0)
|
||||
return false;
|
||||
|
||||
info = vcap_keyfieldset(vctrl, vt, keyset);
|
||||
/* Check that the keyset is valid */
|
||||
if (!info)
|
||||
return false;
|
||||
|
||||
/* a type_id of value -1 means that there is no type field */
|
||||
if (info->type_id == (u8)-1)
|
||||
return true;
|
||||
|
||||
/* Get a valid typegroup for the specific keyset */
|
||||
tgt = vcap_keyfield_typegroup(vctrl, vt, keyset);
|
||||
if (!tgt)
|
||||
return false;
|
||||
|
||||
fields = vcap_keyfields(vctrl, vt, keyset);
|
||||
if (!fields)
|
||||
return false;
|
||||
|
||||
typefld = &fields[VCAP_KF_TYPE];
|
||||
vcap_iter_init(&iter, vcap->sw_width, tgt, typefld->offset);
|
||||
vcap_decode_field(mskstream, &iter, typefld->width, (u8 *)&mask);
|
||||
/* no type info if there are no mask bits */
|
||||
if (vcap_bitarray_zero(typefld->width, (u8 *)&mask))
|
||||
return false;
|
||||
|
||||
/* Get the value of the type field in the stream and compare to the
|
||||
* one define in the vcap keyset
|
||||
*/
|
||||
vcap_iter_init(&iter, vcap->sw_width, tgt, typefld->offset);
|
||||
vcap_decode_field(keystream, &iter, typefld->width, (u8 *)&value);
|
||||
|
||||
return (value == info->type_id);
|
||||
}
|
||||
|
||||
/* Verify that the typegroup information, subword count, keyset and type id
|
||||
* are in sync and correct, return the keyset
|
||||
*/
|
||||
static enum
|
||||
vcap_keyfield_set vcap_find_keystream_keyset(struct vcap_control *vctrl,
|
||||
enum vcap_type vt,
|
||||
u32 *keystream,
|
||||
u32 *mskstream,
|
||||
bool mask, int sw_max)
|
||||
{
|
||||
const struct vcap_set *keyfield_set;
|
||||
int sw_count, idx;
|
||||
bool res;
|
||||
|
||||
sw_count = vcap_find_keystream_typegroup_sw(vctrl, vt, keystream, mask,
|
||||
sw_max);
|
||||
if (sw_count < 0)
|
||||
return sw_count;
|
||||
|
||||
keyfield_set = vctrl->vcaps[vt].keyfield_set;
|
||||
for (idx = 0; idx < vctrl->vcaps[vt].keyfield_set_size; ++idx) {
|
||||
if (keyfield_set[idx].sw_per_item != sw_count)
|
||||
continue;
|
||||
|
||||
res = vcap_verify_keystream_keyset(vctrl, vt, keystream,
|
||||
mskstream, idx);
|
||||
if (res)
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* Read key data from a VCAP address and discover if there is a rule keyset
|
||||
* here
|
||||
*/
|
||||
static int vcap_addr_keyset(struct vcap_control *vctrl,
|
||||
struct net_device *ndev,
|
||||
struct vcap_admin *admin,
|
||||
int addr)
|
||||
{
|
||||
enum vcap_type vt = admin->vtype;
|
||||
int keyset_sw_regs, idx;
|
||||
u32 key = 0, mask = 0;
|
||||
|
||||
/* Read the cache at the specified address */
|
||||
keyset_sw_regs = DIV_ROUND_UP(vctrl->vcaps[vt].sw_width, 32);
|
||||
vctrl->ops->update(ndev, admin, VCAP_CMD_READ, VCAP_SEL_ALL, addr);
|
||||
vctrl->ops->cache_read(ndev, admin, VCAP_SEL_ENTRY, 0,
|
||||
keyset_sw_regs);
|
||||
/* Skip uninitialized key/mask entries */
|
||||
for (idx = 0; idx < keyset_sw_regs; ++idx) {
|
||||
key |= ~admin->cache.keystream[idx];
|
||||
mask |= admin->cache.maskstream[idx];
|
||||
}
|
||||
if (key == 0 && mask == 0)
|
||||
return -EINVAL;
|
||||
/* Decode and locate the keyset */
|
||||
return vcap_find_keystream_keyset(vctrl, vt, admin->cache.keystream,
|
||||
admin->cache.maskstream, false, 0);
|
||||
}
|
||||
|
||||
static int vcap_show_admin_raw(struct vcap_control *vctrl,
|
||||
struct vcap_admin *admin,
|
||||
struct vcap_output_print *out)
|
||||
{
|
||||
enum vcap_type vt = admin->vtype;
|
||||
struct vcap_rule_internal *ri;
|
||||
const struct vcap_set *info;
|
||||
int keyset;
|
||||
int addr;
|
||||
int ret;
|
||||
|
||||
if (list_empty(&admin->rules))
|
||||
return 0;
|
||||
|
||||
ret = vcap_api_check(vctrl);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ri = list_first_entry(&admin->rules, struct vcap_rule_internal, list);
|
||||
|
||||
/* Go from higher to lower addresses searching for a keyset */
|
||||
for (addr = admin->last_valid_addr; addr >= admin->first_valid_addr;
|
||||
--addr) {
|
||||
keyset = vcap_addr_keyset(vctrl, ri->ndev, admin, addr);
|
||||
if (keyset < 0)
|
||||
continue;
|
||||
info = vcap_keyfieldset(vctrl, vt, keyset);
|
||||
if (!info)
|
||||
continue;
|
||||
if (addr % info->sw_per_item)
|
||||
pr_info("addr: %d X%d error rule, keyset: %s\n",
|
||||
addr,
|
||||
info->sw_per_item,
|
||||
vcap_keyset_name(vctrl, keyset));
|
||||
else
|
||||
out->prf(out->dst, " addr: %d, X%d rule, keyset: %s\n",
|
||||
addr,
|
||||
info->sw_per_item,
|
||||
vcap_keyset_name(vctrl, keyset));
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Show the port configuration and status */
|
||||
static int vcap_port_debugfs_show(struct seq_file *m, void *unused)
|
||||
{
|
||||
@ -61,8 +316,13 @@ EXPORT_SYMBOL_GPL(vcap_port_debugfs);
|
||||
/* Show the raw VCAP instance data (rules with address info) */
|
||||
static int vcap_raw_debugfs_show(struct seq_file *m, void *unused)
|
||||
{
|
||||
/* The output will be added later */
|
||||
return 0;
|
||||
struct vcap_admin_debugfs_info *info = m->private;
|
||||
struct vcap_output_print out = {
|
||||
.prf = (void *)seq_printf,
|
||||
.dst = m,
|
||||
};
|
||||
|
||||
return vcap_show_admin_raw(info->vctrl, info->admin, &out);
|
||||
}
|
||||
DEFINE_SHOW_ATTRIBUTE(vcap_raw_debugfs);
|
||||
|
||||
|
||||
73
drivers/net/ethernet/microchip/vcap/vcap_api_private.h
Normal file
73
drivers/net/ethernet/microchip/vcap/vcap_api_private.h
Normal file
@ -0,0 +1,73 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0+ */
|
||||
/* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries.
|
||||
* Microchip VCAP API
|
||||
*/
|
||||
|
||||
#ifndef __VCAP_API_PRIVATE__
|
||||
#define __VCAP_API_PRIVATE__
|
||||
|
||||
#include <linux/types.h>
|
||||
|
||||
#include "vcap_api.h"
|
||||
#include "vcap_api_client.h"
|
||||
|
||||
#define to_intrule(rule) container_of((rule), struct vcap_rule_internal, data)
|
||||
|
||||
/* Private VCAP API rule data */
|
||||
struct vcap_rule_internal {
|
||||
struct vcap_rule data; /* provided by the client */
|
||||
struct list_head list; /* the vcap admin list of rules */
|
||||
struct vcap_admin *admin; /* vcap hw instance */
|
||||
struct net_device *ndev; /* the interface that the rule applies to */
|
||||
struct vcap_control *vctrl; /* the client control */
|
||||
u32 sort_key; /* defines the position in the VCAP */
|
||||
int keyset_sw; /* subwords in a keyset */
|
||||
int actionset_sw; /* subwords in an actionset */
|
||||
int keyset_sw_regs; /* registers in a subword in an keyset */
|
||||
int actionset_sw_regs; /* registers in a subword in an actionset */
|
||||
int size; /* the size of the rule: max(entry, action) */
|
||||
u32 addr; /* address in the VCAP at insertion */
|
||||
u32 counter_id; /* counter id (if a dedicated counter is available) */
|
||||
struct vcap_counter counter; /* last read counter value */
|
||||
};
|
||||
|
||||
/* Bit iterator for the VCAP cache streams */
|
||||
struct vcap_stream_iter {
|
||||
u32 offset; /* bit offset from the stream start */
|
||||
u32 sw_width; /* subword width in bits */
|
||||
u32 regs_per_sw; /* registers per subword */
|
||||
u32 reg_idx; /* current register index */
|
||||
u32 reg_bitpos; /* bit offset in current register */
|
||||
const struct vcap_typegroup *tg; /* current typegroup */
|
||||
};
|
||||
|
||||
/* Check that the control has a valid set of callbacks */
|
||||
int vcap_api_check(struct vcap_control *ctrl);
|
||||
|
||||
/* Iterator functionality */
|
||||
|
||||
void vcap_iter_init(struct vcap_stream_iter *itr, int sw_width,
|
||||
const struct vcap_typegroup *tg, u32 offset);
|
||||
void vcap_iter_next(struct vcap_stream_iter *itr);
|
||||
void vcap_iter_set(struct vcap_stream_iter *itr, int sw_width,
|
||||
const struct vcap_typegroup *tg, u32 offset);
|
||||
void vcap_iter_update(struct vcap_stream_iter *itr);
|
||||
|
||||
/* Keyset and keyfield functionality */
|
||||
|
||||
/* Return the keyset information for the keyset */
|
||||
const struct vcap_set *vcap_keyfieldset(struct vcap_control *vctrl,
|
||||
enum vcap_type vt,
|
||||
enum vcap_keyfield_set keyset);
|
||||
/* Return the number of keyfields in the keyset */
|
||||
int vcap_keyfield_count(struct vcap_control *vctrl,
|
||||
enum vcap_type vt, enum vcap_keyfield_set keyset);
|
||||
/* Return the typegroup table for the matching keyset (using subword size) */
|
||||
const struct vcap_typegroup *
|
||||
vcap_keyfield_typegroup(struct vcap_control *vctrl,
|
||||
enum vcap_type vt, enum vcap_keyfield_set keyset);
|
||||
/* Return the list of keyfields for the keyset */
|
||||
const struct vcap_field *vcap_keyfields(struct vcap_control *vctrl,
|
||||
enum vcap_type vt,
|
||||
enum vcap_keyfield_set keyset);
|
||||
#endif /* __VCAP_API_PRIVATE__ */
|
||||
Loading…
Reference in New Issue
Block a user