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ice: Add support for inner etype in switchdev

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Enable support for adding TC rules that filter on the inner
EtherType field of tunneled packet headers.

Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@intel.com>
Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Martyna Szapar-Mudlaw 2022-01-16 10:01:43 +01:00 committed by Tony Nguyen
parent 7f415828f9
commit 34a897758e
3 changed files with 277 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/intel/ice/ice_protocol_type.h
View File

@ -29,6 +29,7 @@ enum ice_protocol_type {
ICE_MAC_OFOS = 0,
ICE_MAC_IL,
ICE_ETYPE_OL,
ICE_ETYPE_IL,
ICE_VLAN_OFOS,
ICE_IPV4_OFOS,
ICE_IPV4_IL,
@ -92,6 +93,7 @@ enum ice_prot_id {
#define ICE_MAC_OFOS_HW 1
#define ICE_MAC_IL_HW 4
#define ICE_ETYPE_OL_HW 9
#define ICE_ETYPE_IL_HW 10
#define ICE_VLAN_OF_HW 16
#define ICE_VLAN_OL_HW 17
#define ICE_IPV4_OFOS_HW 32

272
drivers/net/ethernet/intel/ice/ice_switch.c
View File

@ -41,6 +41,7 @@ static const struct ice_dummy_pkt_offsets dummy_gre_tcp_packet_offsets[] = {
{ ICE_IPV4_OFOS, 14 },
{ ICE_NVGRE, 34 },
{ ICE_MAC_IL, 42 },
{ ICE_ETYPE_IL, 54 },
{ ICE_IPV4_IL, 56 },
{ ICE_TCP_IL, 76 },
{ ICE_PROTOCOL_LAST, 0 },
@ -65,7 +66,8 @@ static const u8 dummy_gre_tcp_packet[] = {
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x08, 0x00,
0x08, 0x00, /* ICE_ETYPE_IL 54 */
0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 56 */
0x00, 0x00, 0x00, 0x00,
@ -86,6 +88,7 @@ static const struct ice_dummy_pkt_offsets dummy_gre_udp_packet_offsets[] = {
{ ICE_IPV4_OFOS, 14 },
{ ICE_NVGRE, 34 },
{ ICE_MAC_IL, 42 },
{ ICE_ETYPE_IL, 54 },
{ ICE_IPV4_IL, 56 },
{ ICE_UDP_ILOS, 76 },
{ ICE_PROTOCOL_LAST, 0 },
@ -110,7 +113,8 @@ static const u8 dummy_gre_udp_packet[] = {
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x08, 0x00,
0x08, 0x00, /* ICE_ETYPE_IL 54 */
0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 56 */
0x00, 0x00, 0x00, 0x00,
@ -131,6 +135,7 @@ static const struct ice_dummy_pkt_offsets dummy_udp_tun_tcp_packet_offsets[] = {
{ ICE_GENEVE, 42 },
{ ICE_VXLAN_GPE, 42 },
{ ICE_MAC_IL, 50 },
{ ICE_ETYPE_IL, 62 },
{ ICE_IPV4_IL, 64 },
{ ICE_TCP_IL, 84 },
{ ICE_PROTOCOL_LAST, 0 },
@ -158,7 +163,8 @@ static const u8 dummy_udp_tun_tcp_packet[] = {
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x08, 0x00,
0x08, 0x00, /* ICE_ETYPE_IL 62 */
0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_IL 64 */
0x00, 0x01, 0x00, 0x00,
@ -182,6 +188,7 @@ static const struct ice_dummy_pkt_offsets dummy_udp_tun_udp_packet_offsets[] = {
{ ICE_GENEVE, 42 },
{ ICE_VXLAN_GPE, 42 },
{ ICE_MAC_IL, 50 },
{ ICE_ETYPE_IL, 62 },
{ ICE_IPV4_IL, 64 },
{ ICE_UDP_ILOS, 84 },
{ ICE_PROTOCOL_LAST, 0 },
@ -209,7 +216,8 @@ static const u8 dummy_udp_tun_udp_packet[] = {
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x08, 0x00,
0x08, 0x00, /* ICE_ETYPE_IL 62 */
0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_IL 64 */
0x00, 0x01, 0x00, 0x00,
@ -221,6 +229,224 @@ static const u8 dummy_udp_tun_udp_packet[] = {
0x00, 0x08, 0x00, 0x00,
};
static const struct ice_dummy_pkt_offsets
dummy_gre_ipv6_tcp_packet_offsets[] = {
{ ICE_MAC_OFOS, 0 },
{ ICE_ETYPE_OL, 12 },
{ ICE_IPV4_OFOS, 14 },
{ ICE_NVGRE, 34 },
{ ICE_MAC_IL, 42 },
{ ICE_ETYPE_IL, 54 },
{ ICE_IPV6_IL, 56 },
{ ICE_TCP_IL, 96 },
{ ICE_PROTOCOL_LAST, 0 },
};
static const u8 dummy_gre_ipv6_tcp_packet[] = {
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x08, 0x00, /* ICE_ETYPE_OL 12 */
0x45, 0x00, 0x00, 0x66, /* ICE_IPV4_OFOS 14 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x2F, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x86, 0xdd, /* ICE_ETYPE_IL 54 */
0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 56 */
0x00, 0x08, 0x06, 0x40,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 96 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x50, 0x02, 0x20, 0x00,
0x00, 0x00, 0x00, 0x00
};
static const struct ice_dummy_pkt_offsets
dummy_gre_ipv6_udp_packet_offsets[] = {
{ ICE_MAC_OFOS, 0 },
{ ICE_ETYPE_OL, 12 },
{ ICE_IPV4_OFOS, 14 },
{ ICE_NVGRE, 34 },
{ ICE_MAC_IL, 42 },
{ ICE_ETYPE_IL, 54 },
{ ICE_IPV6_IL, 56 },
{ ICE_UDP_ILOS, 96 },
{ ICE_PROTOCOL_LAST, 0 },
};
static const u8 dummy_gre_ipv6_udp_packet[] = {
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x08, 0x00, /* ICE_ETYPE_OL 12 */
0x45, 0x00, 0x00, 0x5a, /* ICE_IPV4_OFOS 14 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x2F, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x86, 0xdd, /* ICE_ETYPE_IL 54 */
0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 56 */
0x00, 0x08, 0x11, 0x40,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 96 */
0x00, 0x08, 0x00, 0x00,
};
static const struct ice_dummy_pkt_offsets
dummy_udp_tun_ipv6_tcp_packet_offsets[] = {
{ ICE_MAC_OFOS, 0 },
{ ICE_ETYPE_OL, 12 },
{ ICE_IPV4_OFOS, 14 },
{ ICE_UDP_OF, 34 },
{ ICE_VXLAN, 42 },
{ ICE_GENEVE, 42 },
{ ICE_VXLAN_GPE, 42 },
{ ICE_MAC_IL, 50 },
{ ICE_ETYPE_IL, 62 },
{ ICE_IPV6_IL, 64 },
{ ICE_TCP_IL, 104 },
{ ICE_PROTOCOL_LAST, 0 },
};
static const u8 dummy_udp_tun_ipv6_tcp_packet[] = {
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x08, 0x00, /* ICE_ETYPE_OL 12 */
0x45, 0x00, 0x00, 0x6e, /* ICE_IPV4_OFOS 14 */
0x00, 0x01, 0x00, 0x00,
0x40, 0x11, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
0x00, 0x5a, 0x00, 0x00,
0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x86, 0xdd, /* ICE_ETYPE_IL 62 */
0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 64 */
0x00, 0x08, 0x06, 0x40,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 104 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x50, 0x02, 0x20, 0x00,
0x00, 0x00, 0x00, 0x00
};
static const struct ice_dummy_pkt_offsets
dummy_udp_tun_ipv6_udp_packet_offsets[] = {
{ ICE_MAC_OFOS, 0 },
{ ICE_ETYPE_OL, 12 },
{ ICE_IPV4_OFOS, 14 },
{ ICE_UDP_OF, 34 },
{ ICE_VXLAN, 42 },
{ ICE_GENEVE, 42 },
{ ICE_VXLAN_GPE, 42 },
{ ICE_MAC_IL, 50 },
{ ICE_ETYPE_IL, 62 },
{ ICE_IPV6_IL, 64 },
{ ICE_UDP_ILOS, 104 },
{ ICE_PROTOCOL_LAST, 0 },
};
static const u8 dummy_udp_tun_ipv6_udp_packet[] = {
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x08, 0x00, /* ICE_ETYPE_OL 12 */
0x45, 0x00, 0x00, 0x62, /* ICE_IPV4_OFOS 14 */
0x00, 0x01, 0x00, 0x00,
0x00, 0x11, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */
0x00, 0x4e, 0x00, 0x00,
0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x86, 0xdd, /* ICE_ETYPE_IL 62 */
0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 64 */
0x00, 0x08, 0x11, 0x40,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 104 */
0x00, 0x08, 0x00, 0x00,
};
/* offset info for MAC + IPv4 + UDP dummy packet */
static const struct ice_dummy_pkt_offsets dummy_udp_packet_offsets[] = {
{ ICE_MAC_OFOS, 0 },
@ -3818,6 +4044,7 @@ static const struct ice_prot_ext_tbl_entry ice_prot_ext[ICE_PROTOCOL_LAST] = {
{ ICE_MAC_OFOS, { 0, 2, 4, 6, 8, 10, 12 } },
{ ICE_MAC_IL, { 0, 2, 4, 6, 8, 10, 12 } },
{ ICE_ETYPE_OL, { 0 } },
{ ICE_ETYPE_IL, { 0 } },
{ ICE_VLAN_OFOS, { 2, 0 } },
{ ICE_IPV4_OFOS, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } },
{ ICE_IPV4_IL, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } },
@ -3837,6 +4064,7 @@ static struct ice_protocol_entry ice_prot_id_tbl[ICE_PROTOCOL_LAST] = {
{ ICE_MAC_OFOS, ICE_MAC_OFOS_HW },
{ ICE_MAC_IL, ICE_MAC_IL_HW },
{ ICE_ETYPE_OL, ICE_ETYPE_OL_HW },
{ ICE_ETYPE_IL, ICE_ETYPE_IL_HW },
{ ICE_VLAN_OFOS, ICE_VLAN_OL_HW },
{ ICE_IPV4_OFOS, ICE_IPV4_OFOS_HW },
{ ICE_IPV4_IL, ICE_IPV4_IL_HW },
@ -4818,6 +5046,7 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
const struct ice_dummy_pkt_offsets **offsets)
{
bool tcp = false, udp = false, ipv6 = false, vlan = false;
bool ipv6_il = false;
u16 i;
for (i = 0; i < lkups_cnt; i++) {
@ -4833,18 +5062,35 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
lkups[i].h_u.ethertype.ethtype_id ==
cpu_to_be16(ICE_IPV6_ETHER_ID) &&
lkups[i].m_u.ethertype.ethtype_id ==
cpu_to_be16(0xFFFF))
cpu_to_be16(0xFFFF))
ipv6 = true;
else if (lkups[i].type == ICE_ETYPE_IL &&
lkups[i].h_u.ethertype.ethtype_id ==
cpu_to_be16(ICE_IPV6_ETHER_ID) &&
lkups[i].m_u.ethertype.ethtype_id ==
cpu_to_be16(0xFFFF))
ipv6_il = true;
}
if (tun_type == ICE_SW_TUN_NVGRE) {
if (tcp && ipv6_il) {
*pkt = dummy_gre_ipv6_tcp_packet;
*pkt_len = sizeof(dummy_gre_ipv6_tcp_packet);
*offsets = dummy_gre_ipv6_tcp_packet_offsets;
return;
}
if (tcp) {
*pkt = dummy_gre_tcp_packet;
*pkt_len = sizeof(dummy_gre_tcp_packet);
*offsets = dummy_gre_tcp_packet_offsets;
return;
}
if (ipv6_il) {
*pkt = dummy_gre_ipv6_udp_packet;
*pkt_len = sizeof(dummy_gre_ipv6_udp_packet);
*offsets = dummy_gre_ipv6_udp_packet_offsets;
return;
}
*pkt = dummy_gre_udp_packet;
*pkt_len = sizeof(dummy_gre_udp_packet);
*offsets = dummy_gre_udp_packet_offsets;
@ -4853,13 +5099,24 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
if (tun_type == ICE_SW_TUN_VXLAN ||
tun_type == ICE_SW_TUN_GENEVE) {
if (tcp && ipv6_il) {
*pkt = dummy_udp_tun_ipv6_tcp_packet;
*pkt_len = sizeof(dummy_udp_tun_ipv6_tcp_packet);
*offsets = dummy_udp_tun_ipv6_tcp_packet_offsets;
return;
}
if (tcp) {
*pkt = dummy_udp_tun_tcp_packet;
*pkt_len = sizeof(dummy_udp_tun_tcp_packet);
*offsets = dummy_udp_tun_tcp_packet_offsets;
return;
}
if (ipv6_il) {
*pkt = dummy_udp_tun_ipv6_udp_packet;
*pkt_len = sizeof(dummy_udp_tun_ipv6_udp_packet);
*offsets = dummy_udp_tun_ipv6_udp_packet_offsets;
return;
}
*pkt = dummy_udp_tun_udp_packet;
*pkt_len = sizeof(dummy_udp_tun_udp_packet);
*offsets = dummy_udp_tun_udp_packet_offsets;
@ -4965,6 +5222,7 @@ ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
len = sizeof(struct ice_ether_hdr);
break;
case ICE_ETYPE_OL:
case ICE_ETYPE_IL:
len = sizeof(struct ice_ethtype_hdr);
break;
case ICE_VLAN_OFOS:

15
drivers/net/ethernet/intel/ice/ice_tc_lib.c
View File

@ -33,9 +33,7 @@ ice_tc_count_lkups(u32 flags, struct ice_tc_flower_lyr_2_4_hdrs *headers,
if (flags & ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT)
lkups_cnt++;
/* currently inner etype filter isn't supported */
if ((flags & ICE_TC_FLWR_FIELD_ETH_TYPE_ID) &&
fltr->tunnel_type == TNL_LAST)
if (flags & ICE_TC_FLWR_FIELD_ETH_TYPE_ID)
lkups_cnt++;
/* are MAC fields specified? */
@ -64,6 +62,11 @@ static enum ice_protocol_type ice_proto_type_from_mac(bool inner)
return inner ? ICE_MAC_IL : ICE_MAC_OFOS;
}
static enum ice_protocol_type ice_proto_type_from_etype(bool inner)
{
return inner ? ICE_ETYPE_IL : ICE_ETYPE_OL;
}
static enum ice_protocol_type ice_proto_type_from_ipv4(bool inner)
{
return inner ? ICE_IPV4_IL : ICE_IPV4_OFOS;
@ -224,8 +227,10 @@ ice_tc_fill_rules(struct ice_hw *hw, u32 flags,
headers = &tc_fltr->inner_headers;
inner = true;
} else if (flags & ICE_TC_FLWR_FIELD_ETH_TYPE_ID) {
list[i].type = ICE_ETYPE_OL;
}
if (flags & ICE_TC_FLWR_FIELD_ETH_TYPE_ID) {
list[i].type = ice_proto_type_from_etype(inner);
list[i].h_u.ethertype.ethtype_id = headers->l2_key.n_proto;
list[i].m_u.ethertype.ethtype_id = headers->l2_mask.n_proto;
i++;