ice: Add support for PPPoE hardware offload
Add support for creating PPPoE filters in switchdev mode. Add support
for parsing PPPoE and PPP-specific tc options: pppoe_sid and ppp_proto.
Example filter:
tc filter add dev $PF1 ingress protocol ppp_ses prio 1 flower pppoe_sid \
1234 ppp_proto ip skip_sw action mirred egress redirect dev $VF1_PR
Changes in iproute2 are required to use the new fields.
ICE COMMS DDP package is required to create a filter as it contains PPPoE
profiles. Added a warning message when loaded DDP package does not contain
required profiles.
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Marcin Szycik
Tony Nguyen
parent
6a21b0856d
commit
cd8efeeed1
@ -52,6 +52,7 @@
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#include <net/udp_tunnel.h>
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#include <net/vxlan.h>
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#include <net/gtp.h>
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#include <linux/ppp_defs.h>
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#include "ice_devids.h"
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#include "ice_type.h"
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#include "ice_txrx.h"
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@ -1964,8 +1964,11 @@ ice_get_sw_fv_list(struct ice_hw *hw, struct ice_prot_lkup_ext *lkups,
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}
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}
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} while (fv);
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if (list_empty(fv_list))
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if (list_empty(fv_list)) {
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dev_warn(ice_hw_to_dev(hw), "Required profiles not found in currently loaded DDP package");
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return -EIO;
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}
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return 0;
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err:
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@ -43,6 +43,7 @@ enum ice_protocol_type {
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ICE_NVGRE,
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ICE_GTP,
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ICE_GTP_NO_PAY,
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ICE_PPPOE,
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ICE_VLAN_EX,
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ICE_VLAN_IN,
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ICE_VXLAN_GPE,
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@ -109,6 +110,7 @@ enum ice_prot_id {
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#define ICE_TCP_IL_HW 49
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#define ICE_UDP_ILOS_HW 53
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#define ICE_GRE_OF_HW 64
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#define ICE_PPPOE_HW 103
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#define ICE_UDP_OF_HW 52 /* UDP Tunnels */
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#define ICE_META_DATA_ID_HW 255 /* this is used for tunnel and VLAN type */
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@ -207,6 +209,14 @@ struct ice_udp_gtp_hdr {
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u8 rsvrd;
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};
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struct ice_pppoe_hdr {
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u8 rsrvd_ver_type;
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u8 rsrvd_code;
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__be16 session_id;
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__be16 length;
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__be16 ppp_prot_id; /* control and data only */
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};
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struct ice_nvgre_hdr {
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__be16 flags;
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__be16 protocol;
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@ -224,6 +234,7 @@ union ice_prot_hdr {
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struct ice_udp_tnl_hdr tnl_hdr;
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struct ice_nvgre_hdr nvgre_hdr;
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struct ice_udp_gtp_hdr gtp_hdr;
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struct ice_pppoe_hdr pppoe_hdr;
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};
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/* This is mapping table entry that maps every word within a given protocol
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@ -41,6 +41,7 @@ enum {
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ICE_PKT_INNER_UDP = BIT(7),
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ICE_PKT_GTP_NOPAY = BIT(8),
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ICE_PKT_KMALLOC = BIT(9),
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ICE_PKT_PPPOE = BIT(10),
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};
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struct ice_dummy_pkt_offsets {
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@ -1109,6 +1110,154 @@ ICE_DECLARE_PKT_TEMPLATE(ipv6_gtp) = {
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0x00, 0x00,
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};
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ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_tcp) = {
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{ ICE_MAC_OFOS, 0 },
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{ ICE_ETYPE_OL, 12 },
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{ ICE_PPPOE, 14 },
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{ ICE_IPV4_OFOS, 22 },
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{ ICE_TCP_IL, 42 },
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{ ICE_PROTOCOL_LAST, 0 },
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};
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ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv4_tcp) = {
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0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x88, 0x64, /* ICE_ETYPE_OL 12 */
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0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
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0x00, 0x16,
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0x00, 0x21, /* PPP Link Layer 20 */
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0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_OFOS 22 */
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0x00, 0x01, 0x00, 0x00,
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0x00, 0x06, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 42 */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x50, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, /* 2 bytes for 4 bytes alignment */
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};
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ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_udp) = {
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{ ICE_MAC_OFOS, 0 },
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{ ICE_ETYPE_OL, 12 },
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{ ICE_PPPOE, 14 },
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{ ICE_IPV4_OFOS, 22 },
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{ ICE_UDP_ILOS, 42 },
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{ ICE_PROTOCOL_LAST, 0 },
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};
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ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv4_udp) = {
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0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x88, 0x64, /* ICE_ETYPE_OL 12 */
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0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
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0x00, 0x16,
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0x00, 0x21, /* PPP Link Layer 20 */
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0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_OFOS 22 */
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0x00, 0x01, 0x00, 0x00,
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0x00, 0x11, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 42 */
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0x00, 0x08, 0x00, 0x00,
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0x00, 0x00, /* 2 bytes for 4 bytes alignment */
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};
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ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_tcp) = {
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{ ICE_MAC_OFOS, 0 },
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{ ICE_ETYPE_OL, 12 },
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{ ICE_PPPOE, 14 },
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{ ICE_IPV6_OFOS, 22 },
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{ ICE_TCP_IL, 62 },
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{ ICE_PROTOCOL_LAST, 0 },
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};
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ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv6_tcp) = {
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0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x88, 0x64, /* ICE_ETYPE_OL 12 */
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0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
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0x00, 0x2a,
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0x00, 0x57, /* PPP Link Layer 20 */
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0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 22 */
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0x00, 0x14, 0x06, 0x00, /* Next header is TCP */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 62 */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x50, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, /* 2 bytes for 4 bytes alignment */
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};
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ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_udp) = {
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{ ICE_MAC_OFOS, 0 },
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{ ICE_ETYPE_OL, 12 },
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{ ICE_PPPOE, 14 },
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{ ICE_IPV6_OFOS, 22 },
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{ ICE_UDP_ILOS, 62 },
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{ ICE_PROTOCOL_LAST, 0 },
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};
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ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv6_udp) = {
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0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x88, 0x64, /* ICE_ETYPE_OL 12 */
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0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */
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0x00, 0x2a,
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0x00, 0x57, /* PPP Link Layer 20 */
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0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 22 */
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0x00, 0x08, 0x11, 0x00, /* Next header UDP*/
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 62 */
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0x00, 0x08, 0x00, 0x00,
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0x00, 0x00, /* 2 bytes for 4 bytes alignment */
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};
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static const struct ice_dummy_pkt_profile ice_dummy_pkt_profiles[] = {
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ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6 |
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ICE_PKT_GTP_NOPAY),
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@ -1135,6 +1284,11 @@ static const struct ice_dummy_pkt_profile ice_dummy_pkt_profiles[] = {
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ICE_PKT_PROFILE(ipv4_gtpu_ipv4_tcp, ICE_PKT_TUN_GTPU),
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ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPC | ICE_PKT_OUTER_IPV6),
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ICE_PKT_PROFILE(ipv4_gtpu_ipv4, ICE_PKT_TUN_GTPC),
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ICE_PKT_PROFILE(pppoe_ipv6_udp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6 |
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ICE_PKT_INNER_UDP),
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ICE_PKT_PROFILE(pppoe_ipv6_tcp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6),
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ICE_PKT_PROFILE(pppoe_ipv4_udp, ICE_PKT_PPPOE | ICE_PKT_INNER_UDP),
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ICE_PKT_PROFILE(pppoe_ipv4_tcp, ICE_PKT_PPPOE),
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ICE_PKT_PROFILE(gre_ipv6_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_IPV6 |
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ICE_PKT_INNER_TCP),
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ICE_PKT_PROFILE(gre_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_TCP),
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@ -4480,6 +4634,7 @@ static const struct ice_prot_ext_tbl_entry ice_prot_ext[ICE_PROTOCOL_LAST] = {
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{ ICE_NVGRE, { 0, 2, 4, 6 } },
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{ ICE_GTP, { 8, 10, 12, 14, 16, 18, 20, 22 } },
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{ ICE_GTP_NO_PAY, { 8, 10, 12, 14 } },
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{ ICE_PPPOE, { 0, 2, 4, 6 } },
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{ ICE_VLAN_EX, { 2, 0 } },
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{ ICE_VLAN_IN, { 2, 0 } },
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};
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@ -4502,6 +4657,7 @@ static struct ice_protocol_entry ice_prot_id_tbl[ICE_PROTOCOL_LAST] = {
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{ ICE_NVGRE, ICE_GRE_OF_HW },
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{ ICE_GTP, ICE_UDP_OF_HW },
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{ ICE_GTP_NO_PAY, ICE_UDP_ILOS_HW },
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{ ICE_PPPOE, ICE_PPPOE_HW },
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{ ICE_VLAN_EX, ICE_VLAN_OF_HW },
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{ ICE_VLAN_IN, ICE_VLAN_OL_HW },
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};
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@ -5580,6 +5736,12 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
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match |= ICE_PKT_INNER_IPV6;
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else if (lkups[i].type == ICE_GTP_NO_PAY)
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match |= ICE_PKT_GTP_NOPAY;
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else if (lkups[i].type == ICE_PPPOE) {
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match |= ICE_PKT_PPPOE;
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if (lkups[i].h_u.pppoe_hdr.ppp_prot_id ==
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htons(PPP_IPV6))
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match |= ICE_PKT_OUTER_IPV6;
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}
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}
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while (ret->match && (match & ret->match) != ret->match)
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@ -5677,6 +5839,9 @@ ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
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case ICE_GTP:
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len = sizeof(struct ice_udp_gtp_hdr);
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break;
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case ICE_PPPOE:
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len = sizeof(struct ice_pppoe_hdr);
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break;
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default:
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return -EINVAL;
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}
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@ -54,6 +54,11 @@ ice_tc_count_lkups(u32 flags, struct ice_tc_flower_lyr_2_4_hdrs *headers,
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if (flags & ICE_TC_FLWR_FIELD_CVLAN)
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lkups_cnt++;
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/* are PPPoE options specified? */
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if (flags & (ICE_TC_FLWR_FIELD_PPPOE_SESSID |
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ICE_TC_FLWR_FIELD_PPP_PROTO))
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lkups_cnt++;
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/* are IPv[4|6] fields specified? */
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if (flags & (ICE_TC_FLWR_FIELD_DEST_IPV4 | ICE_TC_FLWR_FIELD_SRC_IPV4 |
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ICE_TC_FLWR_FIELD_DEST_IPV6 | ICE_TC_FLWR_FIELD_SRC_IPV6))
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@ -350,6 +355,28 @@ ice_tc_fill_rules(struct ice_hw *hw, u32 flags,
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i++;
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}
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if (flags & (ICE_TC_FLWR_FIELD_PPPOE_SESSID |
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ICE_TC_FLWR_FIELD_PPP_PROTO)) {
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struct ice_pppoe_hdr *vals, *masks;
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vals = &list[i].h_u.pppoe_hdr;
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masks = &list[i].m_u.pppoe_hdr;
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list[i].type = ICE_PPPOE;
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if (flags & ICE_TC_FLWR_FIELD_PPPOE_SESSID) {
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vals->session_id = headers->pppoe_hdr.session_id;
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masks->session_id = cpu_to_be16(0xFFFF);
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}
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if (flags & ICE_TC_FLWR_FIELD_PPP_PROTO) {
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vals->ppp_prot_id = headers->pppoe_hdr.ppp_proto;
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masks->ppp_prot_id = cpu_to_be16(0xFFFF);
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}
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i++;
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}
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/* copy L3 (IPv[4|6]: src, dest) address */
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if (flags & (ICE_TC_FLWR_FIELD_DEST_IPV4 |
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ICE_TC_FLWR_FIELD_SRC_IPV4)) {
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@ -693,6 +720,31 @@ exit:
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return ret;
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}
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/**
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* ice_tc_set_pppoe - Parse PPPoE fields from TC flower filter
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* @match: Pointer to flow match structure
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* @fltr: Pointer to filter structure
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* @headers: Pointer to outer header fields
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* @returns PPP protocol used in filter (ppp_ses or ppp_disc)
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*/
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static u16
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ice_tc_set_pppoe(struct flow_match_pppoe *match,
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struct ice_tc_flower_fltr *fltr,
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struct ice_tc_flower_lyr_2_4_hdrs *headers)
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{
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if (match->mask->session_id) {
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fltr->flags |= ICE_TC_FLWR_FIELD_PPPOE_SESSID;
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headers->pppoe_hdr.session_id = match->key->session_id;
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}
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if (match->mask->ppp_proto) {
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fltr->flags |= ICE_TC_FLWR_FIELD_PPP_PROTO;
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headers->pppoe_hdr.ppp_proto = match->key->ppp_proto;
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}
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return be16_to_cpu(match->key->type);
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}
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/**
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* ice_tc_set_ipv4 - Parse IPv4 addresses from TC flower filter
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* @match: Pointer to flow match structure
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@ -988,7 +1040,8 @@ ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi,
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BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) |
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BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) |
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BIT(FLOW_DISSECTOR_KEY_ENC_IP) |
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BIT(FLOW_DISSECTOR_KEY_PORTS))) {
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BIT(FLOW_DISSECTOR_KEY_PORTS) |
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BIT(FLOW_DISSECTOR_KEY_PPPOE))) {
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NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported key used");
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return -EOPNOTSUPP;
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}
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@ -1124,6 +1177,22 @@ ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi,
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headers->cvlan_hdr.vlan_prio = match.key->vlan_priority;
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}
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if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PPPOE)) {
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struct flow_match_pppoe match;
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flow_rule_match_pppoe(rule, &match);
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n_proto_key = ice_tc_set_pppoe(&match, fltr, headers);
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/* If ethertype equals ETH_P_PPP_SES, n_proto might be
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* overwritten by encapsulated protocol (ppp_proto field) or set
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* to 0. To correct this, flow_match_pppoe provides the type
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* field, which contains the actual ethertype (ETH_P_PPP_SES).
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*/
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headers->l2_key.n_proto = cpu_to_be16(n_proto_key);
|
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headers->l2_mask.n_proto = cpu_to_be16(0xFFFF);
|
||||
fltr->flags |= ICE_TC_FLWR_FIELD_ETH_TYPE_ID;
|
||||
}
|
||||
|
||||
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
|
||||
struct flow_match_control match;
|
||||
|
||||
|
||||
@ -24,6 +24,8 @@
|
||||
#define ICE_TC_FLWR_FIELD_ETH_TYPE_ID BIT(17)
|
||||
#define ICE_TC_FLWR_FIELD_ENC_OPTS BIT(18)
|
||||
#define ICE_TC_FLWR_FIELD_CVLAN BIT(19)
|
||||
#define ICE_TC_FLWR_FIELD_PPPOE_SESSID BIT(20)
|
||||
#define ICE_TC_FLWR_FIELD_PPP_PROTO BIT(21)
|
||||
|
||||
#define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF
|
||||
|
||||
@ -44,6 +46,11 @@ struct ice_tc_vlan_hdr {
|
||||
__be16 vlan_tpid;
|
||||
};
|
||||
|
||||
struct ice_tc_pppoe_hdr {
|
||||
__be16 session_id;
|
||||
__be16 ppp_proto;
|
||||
};
|
||||
|
||||
struct ice_tc_l2_hdr {
|
||||
u8 dst_mac[ETH_ALEN];
|
||||
u8 src_mac[ETH_ALEN];
|
||||
@ -84,6 +91,7 @@ struct ice_tc_flower_lyr_2_4_hdrs {
|
||||
struct ice_tc_l2_hdr l2_mask;
|
||||
struct ice_tc_vlan_hdr vlan_hdr;
|
||||
struct ice_tc_vlan_hdr cvlan_hdr;
|
||||
struct ice_tc_pppoe_hdr pppoe_hdr;
|
||||
/* L3 (IPv4[6]) layer fields with their mask */
|
||||
struct ice_tc_l3_hdr l3_key;
|
||||
struct ice_tc_l3_hdr l3_mask;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user