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authorMartyna Szapar-Mudlaw <martyna.szapar-mudlaw@intel.com>2022-01-16 10:01:43 +0100
committerTony Nguyen <anthony.l.nguyen@intel.com>2022-03-09 08:02:58 -0800
commit34a897758efed21e8b06c1ee3c550b528e93a375 (patch)
tree4d2696347dc3c04f7e2a14d81bb93aeb962c220d /drivers/net/ethernet/intel/ice/ice_switch.c
parent7f415828f987fca9651694c7589560e55ffdf9a6 (diff)
downloadlwn-34a897758efed21e8b06c1ee3c550b528e93a375.tar.gz
lwn-34a897758efed21e8b06c1ee3c550b528e93a375.zip
ice: Add support for inner etype in switchdev
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>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_switch.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_switch.c272
1 files changed, 265 insertions, 7 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index 9c40a8d58c71..d98aa35c0337 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -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: