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-rw-r--r--drivers/net/ethernet/intel/ice/ice.h1
-rw-r--r--drivers/net/ethernet/intel/ice/ice_flex_pipe.c53
-rw-r--r--drivers/net/ethernet/intel/ice/ice_flex_pipe.h2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_flex_type.h6
-rw-r--r--drivers/net/ethernet/intel/ice/ice_protocol_type.h19
-rw-r--r--drivers/net/ethernet/intel/ice/ice_switch.c654
-rw-r--r--drivers/net/ethernet/intel/ice/ice_switch.h9
-rw-r--r--drivers/net/ethernet/intel/ice/ice_tc_lib.c105
-rw-r--r--drivers/net/ethernet/intel/ice/ice_tc_lib.h3
-rw-r--r--drivers/net/gtp.c565
-rw-r--r--include/net/gtp.h42
-rw-r--r--include/uapi/linux/gtp.h1
-rw-r--r--include/uapi/linux/if_link.h2
-rw-r--r--include/uapi/linux/if_tunnel.h4
-rw-r--r--include/uapi/linux/pkt_cls.h15
-rw-r--r--net/sched/cls_flower.c116
16 files changed, 1478 insertions, 119 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 23c39805a1b0..1a130ff562af 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -51,6 +51,7 @@
#include <net/gre.h>
#include <net/udp_tunnel.h>
#include <net/vxlan.h>
+#include <net/gtp.h>
#if IS_ENABLED(CONFIG_DCB)
#include <scsi/iscsi_proto.h>
#endif /* CONFIG_DCB */
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
index 38fe0a7e6975..6a336e8d4e4d 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
@@ -1804,16 +1804,43 @@ static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
return bld;
}
+static bool ice_is_gtp_u_profile(u16 prof_idx)
+{
+ return (prof_idx >= ICE_PROFID_IPV6_GTPU_TEID &&
+ prof_idx <= ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER) ||
+ prof_idx == ICE_PROFID_IPV4_GTPU_TEID;
+}
+
+static bool ice_is_gtp_c_profile(u16 prof_idx)
+{
+ switch (prof_idx) {
+ case ICE_PROFID_IPV4_GTPC_TEID:
+ case ICE_PROFID_IPV4_GTPC_NO_TEID:
+ case ICE_PROFID_IPV6_GTPC_TEID:
+ case ICE_PROFID_IPV6_GTPC_NO_TEID:
+ return true;
+ default:
+ return false;
+ }
+}
+
/**
* ice_get_sw_prof_type - determine switch profile type
* @hw: pointer to the HW structure
* @fv: pointer to the switch field vector
+ * @prof_idx: profile index to check
*/
static enum ice_prof_type
-ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv)
+ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv, u32 prof_idx)
{
u16 i;
+ if (ice_is_gtp_c_profile(prof_idx))
+ return ICE_PROF_TUN_GTPC;
+
+ if (ice_is_gtp_u_profile(prof_idx))
+ return ICE_PROF_TUN_GTPU;
+
for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) {
/* UDP tunnel will have UDP_OF protocol ID and VNI offset */
if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF &&
@@ -1860,7 +1887,7 @@ ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs,
if (fv) {
/* Determine field vector type */
- prof_type = ice_get_sw_prof_type(hw, fv);
+ prof_type = ice_get_sw_prof_type(hw, fv, offset);
if (req_profs & prof_type)
set_bit((u16)offset, bm);
@@ -1871,20 +1898,19 @@ ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs,
/**
* ice_get_sw_fv_list
* @hw: pointer to the HW structure
- * @prot_ids: field vector to search for with a given protocol ID
- * @ids_cnt: lookup/protocol count
+ * @lkups: list of protocol types
* @bm: bitmap of field vectors to consider
* @fv_list: Head of a list
*
* Finds all the field vector entries from switch block that contain
- * a given protocol ID and returns a list of structures of type
+ * a given protocol ID and offset and returns a list of structures of type
* "ice_sw_fv_list_entry". Every structure in the list has a field vector
* definition and profile ID information
* NOTE: The caller of the function is responsible for freeing the memory
* allocated for every list entry.
*/
int
-ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt,
+ice_get_sw_fv_list(struct ice_hw *hw, struct ice_prot_lkup_ext *lkups,
unsigned long *bm, struct list_head *fv_list)
{
struct ice_sw_fv_list_entry *fvl;
@@ -1896,7 +1922,7 @@ ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt,
memset(&state, 0, sizeof(state));
- if (!ids_cnt || !hw->seg)
+ if (!lkups->n_val_words || !hw->seg)
return -EINVAL;
ice_seg = hw->seg;
@@ -1915,20 +1941,17 @@ ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt,
if (!test_bit((u16)offset, bm))
continue;
- for (i = 0; i < ids_cnt; i++) {
+ for (i = 0; i < lkups->n_val_words; i++) {
int j;
- /* This code assumes that if a switch field vector line
- * has a matching protocol, then this line will contain
- * the entries necessary to represent every field in
- * that protocol header.
- */
for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
- if (fv->ew[j].prot_id == prot_ids[i])
+ if (fv->ew[j].prot_id ==
+ lkups->fv_words[i].prot_id &&
+ fv->ew[j].off == lkups->fv_words[i].off)
break;
if (j >= hw->blk[ICE_BLK_SW].es.fvw)
break;
- if (i + 1 == ids_cnt) {
+ if (i + 1 == lkups->n_val_words) {
fvl = devm_kzalloc(ice_hw_to_dev(hw),
sizeof(*fvl), GFP_KERNEL);
if (!fvl)
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
index 2fd5312494c7..9c530c86703e 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
@@ -87,7 +87,7 @@ ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type type,
void
ice_init_prof_result_bm(struct ice_hw *hw);
int
-ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt,
+ice_get_sw_fv_list(struct ice_hw *hw, struct ice_prot_lkup_ext *lkups,
unsigned long *bm, struct list_head *fv_list);
int
ice_pkg_buf_unreserve_section(struct ice_buf_build *bld, u16 count);
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_type.h b/drivers/net/ethernet/intel/ice/ice_flex_type.h
index 5735e9542a49..974d14a83b2e 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_flex_type.h
@@ -417,6 +417,8 @@ enum ice_tunnel_type {
TNL_VXLAN = 0,
TNL_GENEVE,
TNL_GRETAP,
+ TNL_GTPC,
+ TNL_GTPU,
__TNL_TYPE_CNT,
TNL_LAST = 0xFF,
TNL_ALL = 0xFF,
@@ -673,7 +675,9 @@ enum ice_prof_type {
ICE_PROF_NON_TUN = 0x1,
ICE_PROF_TUN_UDP = 0x2,
ICE_PROF_TUN_GRE = 0x4,
- ICE_PROF_TUN_ALL = 0x6,
+ ICE_PROF_TUN_GTPU = 0x8,
+ ICE_PROF_TUN_GTPC = 0x10,
+ ICE_PROF_TUN_ALL = 0x1E,
ICE_PROF_ALL = 0xFF,
};
diff --git a/drivers/net/ethernet/intel/ice/ice_protocol_type.h b/drivers/net/ethernet/intel/ice/ice_protocol_type.h
index 385deaa021ac..3f64300b0e14 100644
--- a/drivers/net/ethernet/intel/ice/ice_protocol_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_protocol_type.h
@@ -41,6 +41,8 @@ enum ice_protocol_type {
ICE_VXLAN,
ICE_GENEVE,
ICE_NVGRE,
+ ICE_GTP,
+ ICE_GTP_NO_PAY,
ICE_VXLAN_GPE,
ICE_SCTP_IL,
ICE_PROTOCOL_LAST
@@ -52,6 +54,8 @@ enum ice_sw_tunnel_type {
ICE_SW_TUN_VXLAN,
ICE_SW_TUN_GENEVE,
ICE_SW_TUN_NVGRE,
+ ICE_SW_TUN_GTPU,
+ ICE_SW_TUN_GTPC,
ICE_ALL_TUNNELS /* All tunnel types including NVGRE */
};
@@ -182,6 +186,20 @@ struct ice_udp_tnl_hdr {
__be32 vni; /* only use lower 24-bits */
};
+struct ice_udp_gtp_hdr {
+ u8 flags;
+ u8 msg_type;
+ __be16 rsrvd_len;
+ __be32 teid;
+ __be16 rsrvd_seq_nbr;
+ u8 rsrvd_n_pdu_nbr;
+ u8 rsrvd_next_ext;
+ u8 rsvrd_ext_len;
+ u8 pdu_type;
+ u8 qfi;
+ u8 rsvrd;
+};
+
struct ice_nvgre_hdr {
__be16 flags;
__be16 protocol;
@@ -198,6 +216,7 @@ union ice_prot_hdr {
struct ice_sctp_hdr sctp_hdr;
struct ice_udp_tnl_hdr tnl_hdr;
struct ice_nvgre_hdr nvgre_hdr;
+ struct ice_udp_gtp_hdr gtp_hdr;
};
/* This is mapping table entry that maps every word within a given protocol
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index d98aa35c0337..7f3d97595890 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -726,6 +726,495 @@ static const u8 dummy_vlan_udp_ipv6_packet[] = {
0x00, 0x00, /* 2 bytes for 4 byte alignment */
};
+/* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner TCP */
+static const
+struct ice_dummy_pkt_offsets dummy_ipv4_gtpu_ipv4_tcp_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV4_OFOS, 14 },
+ { ICE_UDP_OF, 34 },
+ { ICE_GTP, 42 },
+ { ICE_IPV4_IL, 62 },
+ { ICE_TCP_IL, 82 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv4_gtpu_ipv4_tcp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x08, 0x00,
+
+ 0x45, 0x00, 0x00, 0x58, /* IP 14 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x11, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
+ 0x00, 0x44, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 42 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x45, 0x00, 0x00, 0x28, /* IP 62 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x06, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, 0x00, 0x00, /* TCP 82 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x50, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, /* 2 bytes for 4 byte alignment */
+};
+
+/* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner UDP */
+static const
+struct ice_dummy_pkt_offsets dummy_ipv4_gtpu_ipv4_udp_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV4_OFOS, 14 },
+ { ICE_UDP_OF, 34 },
+ { ICE_GTP, 42 },
+ { ICE_IPV4_IL, 62 },
+ { ICE_UDP_ILOS, 82 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv4_gtpu_ipv4_udp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x08, 0x00,
+
+ 0x45, 0x00, 0x00, 0x4c, /* IP 14 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x11, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
+ 0x00, 0x38, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 42 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x45, 0x00, 0x00, 0x1c, /* IP 62 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x11, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, 0x00, 0x00, /* UDP 82 */
+ 0x00, 0x08, 0x00, 0x00,
+
+ 0x00, 0x00, /* 2 bytes for 4 byte alignment */
+};
+
+/* Outer IPv6 + Outer UDP + GTP + Inner IPv4 + Inner TCP */
+static const
+struct ice_dummy_pkt_offsets dummy_ipv4_gtpu_ipv6_tcp_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV4_OFOS, 14 },
+ { ICE_UDP_OF, 34 },
+ { ICE_GTP, 42 },
+ { ICE_IPV6_IL, 62 },
+ { ICE_TCP_IL, 102 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv4_gtpu_ipv6_tcp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x08, 0x00,
+
+ 0x45, 0x00, 0x00, 0x6c, /* IP 14 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x11, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
+ 0x00, 0x58, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 42 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x60, 0x00, 0x00, 0x00, /* IPv6 62 */
+ 0x00, 0x14, 0x06, 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, 0x00, /* TCP 102 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x50, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, /* 2 bytes for 4 byte alignment */
+};
+
+static const
+struct ice_dummy_pkt_offsets dummy_ipv4_gtpu_ipv6_udp_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV4_OFOS, 14 },
+ { ICE_UDP_OF, 34 },
+ { ICE_GTP, 42 },
+ { ICE_IPV6_IL, 62 },
+ { ICE_UDP_ILOS, 102 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv4_gtpu_ipv6_udp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x08, 0x00,
+
+ 0x45, 0x00, 0x00, 0x60, /* IP 14 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x11, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, 0x08, 0x68, /* UDP 34 */
+ 0x00, 0x4c, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 42 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x60, 0x00, 0x00, 0x00, /* IPv6 62 */
+ 0x00, 0x08, 0x11, 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, 0x00, /* UDP 102 */
+ 0x00, 0x08, 0x00, 0x00,
+
+ 0x00, 0x00, /* 2 bytes for 4 byte alignment */
+};
+
+static const
+struct ice_dummy_pkt_offsets dummy_ipv6_gtpu_ipv4_tcp_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV6_OFOS, 14 },
+ { ICE_UDP_OF, 54 },
+ { ICE_GTP, 62 },
+ { ICE_IPV4_IL, 82 },
+ { ICE_TCP_IL, 102 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv6_gtpu_ipv4_tcp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x86, 0xdd,
+
+ 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */
+ 0x00, 0x44, 0x11, 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, 0x08, 0x68, /* UDP 54 */
+ 0x00, 0x44, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 62 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x45, 0x00, 0x00, 0x28, /* IP 82 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x06, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, 0x00, 0x00, /* TCP 102 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x50, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, /* 2 bytes for 4 byte alignment */
+};
+
+static const
+struct ice_dummy_pkt_offsets dummy_ipv6_gtpu_ipv4_udp_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV6_OFOS, 14 },
+ { ICE_UDP_OF, 54 },
+ { ICE_GTP, 62 },
+ { ICE_IPV4_IL, 82 },
+ { ICE_UDP_ILOS, 102 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv6_gtpu_ipv4_udp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x86, 0xdd,
+
+ 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */
+ 0x00, 0x38, 0x11, 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, 0x08, 0x68, /* UDP 54 */
+ 0x00, 0x38, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 62 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x45, 0x00, 0x00, 0x1c, /* IP 82 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x11, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, 0x00, 0x00, /* UDP 102 */
+ 0x00, 0x08, 0x00, 0x00,
+
+ 0x00, 0x00, /* 2 bytes for 4 byte alignment */
+};
+
+static const
+struct ice_dummy_pkt_offsets dummy_ipv6_gtpu_ipv6_tcp_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV6_OFOS, 14 },
+ { ICE_UDP_OF, 54 },
+ { ICE_GTP, 62 },
+ { ICE_IPV6_IL, 82 },
+ { ICE_TCP_IL, 122 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv6_gtpu_ipv6_tcp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x86, 0xdd,
+
+ 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */
+ 0x00, 0x58, 0x11, 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, 0x08, 0x68, /* UDP 54 */
+ 0x00, 0x58, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 62 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x60, 0x00, 0x00, 0x00, /* IPv6 82 */
+ 0x00, 0x14, 0x06, 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, 0x00, /* TCP 122 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x50, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00, /* 2 bytes for 4 byte alignment */
+};
+
+static const
+struct ice_dummy_pkt_offsets dummy_ipv6_gtpu_ipv6_udp_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV6_OFOS, 14 },
+ { ICE_UDP_OF, 54 },
+ { ICE_GTP, 62 },
+ { ICE_IPV6_IL, 82 },
+ { ICE_UDP_ILOS, 122 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv6_gtpu_ipv6_udp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x86, 0xdd,
+
+ 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */
+ 0x00, 0x4c, 0x11, 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, 0x08, 0x68, /* UDP 54 */
+ 0x00, 0x4c, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 62 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x60, 0x00, 0x00, 0x00, /* IPv6 82 */
+ 0x00, 0x08, 0x11, 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, 0x00, /* UDP 122 */
+ 0x00, 0x08, 0x00, 0x00,
+
+ 0x00, 0x00, /* 2 bytes for 4 byte alignment */
+};
+
+static const u8 dummy_ipv4_gtpu_ipv4_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x08, 0x00,
+
+ 0x45, 0x00, 0x00, 0x44, /* ICE_IPV4_OFOS 14 */
+ 0x00, 0x00, 0x40, 0x00,
+ 0x40, 0x11, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 34 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x34, 0xff, 0x00, 0x28, /* ICE_GTP 42 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x85,
+
+ 0x02, 0x00, 0x00, 0x00, /* PDU Session extension header */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 62 */
+ 0x00, 0x00, 0x40, 0x00,
+ 0x40, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00,
+};
+
+static const
+struct ice_dummy_pkt_offsets dummy_ipv4_gtp_no_pay_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV4_OFOS, 14 },
+ { ICE_UDP_OF, 34 },
+ { ICE_GTP_NO_PAY, 42 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const
+struct ice_dummy_pkt_offsets dummy_ipv6_gtp_no_pay_packet_offsets[] = {
+ { ICE_MAC_OFOS, 0 },
+ { ICE_IPV6_OFOS, 14 },
+ { ICE_UDP_OF, 54 },
+ { ICE_GTP_NO_PAY, 62 },
+ { ICE_PROTOCOL_LAST, 0 },
+};
+
+static const u8 dummy_ipv6_gtp_packet[] = {
+ 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x86, 0xdd,
+
+ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 14 */
+ 0x00, 0x6c, 0x11, 0x00, /* Next header UDP*/
+ 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,
+
+ 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 54 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x30, 0x00, 0x00, 0x28, /* ICE_GTP 62 */
+ 0x00, 0x00, 0x00, 0x00,
+
+ 0x00, 0x00,
+};
+
#define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \
(offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr) + \
(DUMMY_ETH_HDR_LEN * \
@@ -4057,7 +4546,9 @@ static const struct ice_prot_ext_tbl_entry ice_prot_ext[ICE_PROTOCOL_LAST] = {
{ ICE_UDP_ILOS, { 0, 2 } },
{ ICE_VXLAN, { 8, 10, 12, 14 } },
{ ICE_GENEVE, { 8, 10, 12, 14 } },
- { ICE_NVGRE, { 0, 2, 4, 6 } },
+ { ICE_NVGRE, { 0, 2, 4, 6 } },
+ { ICE_GTP, { 8, 10, 12, 14, 16, 18, 20, 22 } },
+ { ICE_GTP_NO_PAY, { 8, 10, 12, 14 } },
};
static struct ice_protocol_entry ice_prot_id_tbl[ICE_PROTOCOL_LAST] = {
@@ -4075,7 +4566,9 @@ static struct ice_protocol_entry ice_prot_id_tbl[ICE_PROTOCOL_LAST] = {
{ ICE_UDP_ILOS, ICE_UDP_ILOS_HW },
{ ICE_VXLAN, ICE_UDP_OF_HW },
{ ICE_GENEVE, ICE_UDP_OF_HW },
- { ICE_NVGRE, ICE_GRE_OF_HW },
+ { ICE_NVGRE, ICE_GRE_OF_HW },
+ { ICE_GTP, ICE_UDP_OF_HW },
+ { ICE_GTP_NO_PAY, ICE_UDP_ILOS_HW },
};
/**
@@ -4735,41 +5228,6 @@ ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm,
}
/**
- * ice_get_fv - get field vectors/extraction sequences for spec. lookup types
- * @hw: pointer to hardware structure
- * @lkups: lookup elements or match criteria for the advanced recipe, one
- * structure per protocol header
- * @lkups_cnt: number of protocols
- * @bm: bitmap of field vectors to consider
- * @fv_list: pointer to a list that holds the returned field vectors
- */
-static int
-ice_get_fv(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
- unsigned long *bm, struct list_head *fv_list)
-{
- u8 *prot_ids;
- int status;
- u16 i;
-
- prot_ids = kcalloc(lkups_cnt, sizeof(*prot_ids), GFP_KERNEL);
- if (!prot_ids)
- return -ENOMEM;
-
- for (i = 0; i < lkups_cnt; i++)
- if (!ice_prot_type_to_id(lkups[i].type, &prot_ids[i])) {
- status = -EIO;
- goto free_mem;
- }
-
- /* Find field vectors that include all specified protocol types */
- status = ice_get_sw_fv_list(hw, prot_ids, lkups_cnt, bm, fv_list);
-
-free_mem:
- kfree(prot_ids);
- return status;
-}
-
-/**
* ice_tun_type_match_word - determine if tun type needs a match mask
* @tun_type: tunnel type
* @mask: mask to be used for the tunnel
@@ -4780,6 +5238,8 @@ static bool ice_tun_type_match_word(enum ice_sw_tunnel_type tun_type, u16 *mask)
case ICE_SW_TUN_GENEVE:
case ICE_SW_TUN_VXLAN:
case ICE_SW_TUN_NVGRE:
+ case ICE_SW_TUN_GTPU:
+ case ICE_SW_TUN_GTPC:
*mask = ICE_TUN_FLAG_MASK;
return true;
@@ -4845,6 +5305,12 @@ ice_get_compat_fv_bitmap(struct ice_hw *hw, struct ice_adv_rule_info *rinfo,
case ICE_SW_TUN_NVGRE:
prof_type = ICE_PROF_TUN_GRE;
break;
+ case ICE_SW_TUN_GTPU:
+ prof_type = ICE_PROF_TUN_GTPU;
+ break;
+ case ICE_SW_TUN_GTPC:
+ prof_type = ICE_PROF_TUN_GTPC;
+ break;
case ICE_SW_TUN_AND_NON_TUN:
default:
prof_type = ICE_PROF_ALL;
@@ -4917,11 +5383,11 @@ ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
/* Get bitmap of field vectors (profiles) that are compatible with the
* rule request; only these will be searched in the subsequent call to
- * ice_get_fv.
+ * ice_get_sw_fv_list.
*/
ice_get_compat_fv_bitmap(hw, rinfo, fv_bitmap);
- status = ice_get_fv(hw, lkups, lkups_cnt, fv_bitmap, &rm->fv_list);
+ status = ice_get_sw_fv_list(hw, lkup_exts, fv_bitmap, &rm->fv_list);
if (status)
goto err_unroll;
@@ -5045,17 +5511,17 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
const u8 **pkt, u16 *pkt_len,
const struct ice_dummy_pkt_offsets **offsets)
{
- bool tcp = false, udp = false, ipv6 = false, vlan = false;
- bool ipv6_il = false;
+ bool inner_tcp = false, inner_udp = false, outer_ipv6 = false;
+ bool vlan = false, inner_ipv6 = false, gtp_no_pay = false;
u16 i;
for (i = 0; i < lkups_cnt; i++) {
if (lkups[i].type == ICE_UDP_ILOS)
- udp = true;
+ inner_udp = true;
else if (lkups[i].type == ICE_TCP_IL)
- tcp = true;
+ inner_tcp = true;
else if (lkups[i].type == ICE_IPV6_OFOS)
- ipv6 = true;
+ outer_ipv6 = true;
else if (lkups[i].type == ICE_VLAN_OFOS)
vlan = true;
else if (lkups[i].type == ICE_ETYPE_OL &&
@@ -5063,29 +5529,103 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
cpu_to_be16(ICE_IPV6_ETHER_ID) &&
lkups[i].m_u.ethertype.ethtype_id ==
cpu_to_be16(0xFFFF))
- ipv6 = true;
+ outer_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;
+ inner_ipv6 = true;
+ else if (lkups[i].type == ICE_IPV6_IL)
+ inner_ipv6 = true;
+ else if (lkups[i].type == ICE_GTP_NO_PAY)
+ gtp_no_pay = true;
+ }
+
+ if (tun_type == ICE_SW_TUN_GTPU) {
+ if (outer_ipv6) {
+ if (gtp_no_pay) {
+ *pkt = dummy_ipv6_gtp_packet;
+ *pkt_len = sizeof(dummy_ipv6_gtp_packet);
+ *offsets = dummy_ipv6_gtp_no_pay_packet_offsets;
+ } else if (inner_ipv6) {
+ if (inner_udp) {
+ *pkt = dummy_ipv6_gtpu_ipv6_udp_packet;
+ *pkt_len = sizeof(dummy_ipv6_gtpu_ipv6_udp_packet);
+ *offsets = dummy_ipv6_gtpu_ipv6_udp_packet_offsets;
+ } else {
+ *pkt = dummy_ipv6_gtpu_ipv6_tcp_packet;
+ *pkt_len = sizeof(dummy_ipv6_gtpu_ipv6_tcp_packet);
+ *offsets = dummy_ipv6_gtpu_ipv6_tcp_packet_offsets;
+ }
+ } else {
+ if (inner_udp) {
+ *pkt = dummy_ipv6_gtpu_ipv4_udp_packet;
+ *pkt_len = sizeof(dummy_ipv6_gtpu_ipv4_udp_packet);
+ *offsets = dummy_ipv6_gtpu_ipv4_udp_packet_offsets;
+ } else {
+ *pkt = dummy_ipv6_gtpu_ipv4_tcp_packet;
+ *pkt_len = sizeof(dummy_ipv6_gtpu_ipv4_tcp_packet);
+ *offsets = dummy_ipv6_gtpu_ipv4_tcp_packet_offsets;
+ }
+ }
+ } else {
+ if (gtp_no_pay) {
+ *pkt = dummy_ipv4_gtpu_ipv4_packet;
+ *pkt_len = sizeof(dummy_ipv4_gtpu_ipv4_packet);
+ *offsets = dummy_ipv4_gtp_no_pay_packet_offsets;
+ } else if (inner_ipv6) {
+ if (inner_udp) {
+ *pkt = dummy_ipv4_gtpu_ipv6_udp_packet;
+ *pkt_len = sizeof(dummy_ipv4_gtpu_ipv6_udp_packet);
+ *offsets = dummy_ipv4_gtpu_ipv6_udp_packet_offsets;
+ } else {
+ *pkt = dummy_ipv4_gtpu_ipv6_tcp_packet;
+ *pkt_len = sizeof(dummy_ipv4_gtpu_ipv6_tcp_packet);
+ *offsets = dummy_ipv4_gtpu_ipv6_tcp_packet_offsets;
+ }
+ } else {
+ if (inner_udp) {
+ *pkt = dummy_ipv4_gtpu_ipv4_udp_packet;
+ *pkt_len = sizeof(dummy_ipv4_gtpu_ipv4_udp_packet);
+ *offsets = dummy_ipv4_gtpu_ipv4_udp_packet_offsets;
+ } else {
+ *pkt = dummy_ipv4_gtpu_ipv4_tcp_packet;
+ *pkt_len = sizeof(dummy_ipv4_gtpu_ipv4_tcp_packet);
+ *offsets = dummy_ipv4_gtpu_ipv4_tcp_packet_offsets;
+ }
+ }
+ }
+ return;
+ }
+
+ if (tun_type == ICE_SW_TUN_GTPC) {
+ if (outer_ipv6) {
+ *pkt = dummy_ipv6_gtp_packet;
+ *pkt_len = sizeof(dummy_ipv6_gtp_packet);
+ *offsets = dummy_ipv6_gtp_no_pay_packet_offsets;
+ } else {
+ *pkt = dummy_ipv4_gtpu_ipv4_packet;
+ *pkt_len = sizeof(dummy_ipv4_gtpu_ipv4_packet);
+ *offsets = dummy_ipv4_gtp_no_pay_packet_offsets;
+ }
+ return;
}
if (tun_type == ICE_SW_TUN_NVGRE) {
- if (tcp && ipv6_il) {
+ if (inner_tcp && inner_ipv6) {
*pkt = dummy_gre_ipv6_tcp_packet;
*pkt_len = sizeof(dummy_gre_ipv6_tcp_packet);
*offsets = dummy_gre_ipv6_tcp_packet_offsets;
return;
}
- if (tcp) {
+ if (inner_tcp) {
*pkt = dummy_gre_tcp_packet;
*pkt_len = sizeof(dummy_gre_tcp_packet);
*offsets = dummy_gre_tcp_packet_offsets;
return;
}
- if (ipv6_il) {
+ if (inner_ipv6) {
*pkt = dummy_gre_ipv6_udp_packet;
*pkt_len = sizeof(dummy_gre_ipv6_udp_packet);
*offsets = dummy_gre_ipv6_udp_packet_offsets;
@@ -5099,19 +5639,19 @@ 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) {
+ if (inner_tcp && inner_ipv6) {
*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) {
+ if (inner_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) {
+ if (inner_ipv6) {
*pkt = dummy_udp_tun_ipv6_udp_packet;
*pkt_len = sizeof(dummy_udp_tun_ipv6_udp_packet);
*offsets = dummy_udp_tun_ipv6_udp_packet_offsets;
@@ -5123,7 +5663,7 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
return;
}
- if (udp && !ipv6) {
+ if (inner_udp && !outer_ipv6) {
if (vlan) {
*pkt = dummy_vlan_udp_packet;
*pkt_len = sizeof(dummy_vlan_udp_packet);
@@ -5134,7 +5674,7 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
*pkt_len = sizeof(dummy_udp_packet);
*offsets = dummy_udp_packet_offsets;
return;
- } else if (udp && ipv6) {
+ } else if (inner_udp && outer_ipv6) {
if (vlan) {
*pkt = dummy_vlan_udp_ipv6_packet;
*pkt_len = sizeof(dummy_vlan_udp_ipv6_packet);
@@ -5145,7 +5685,7 @@ ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
*pkt_len = sizeof(dummy_udp_ipv6_packet);
*offsets = dummy_udp_ipv6_packet_offsets;
return;
- } else if ((tcp && ipv6) || ipv6) {
+ } else if ((inner_tcp && outer_ipv6) || outer_ipv6) {
if (vlan) {
*pkt = dummy_vlan_tcp_ipv6_packet;
*pkt_len = sizeof(dummy_vlan_tcp_ipv6_packet);
@@ -5251,6 +5791,10 @@ ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
case ICE_GENEVE:
len = sizeof(struct ice_udp_tnl_hdr);
break;
+ case ICE_GTP_NO_PAY:
+ case ICE_GTP:
+ len = sizeof(struct ice_udp_gtp_hdr);
+ break;
default:
return -EINVAL;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.h b/drivers/net/ethernet/intel/ice/ice_switch.h
index 7b42c51a3eb0..ed3d1d03befa 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.h
+++ b/drivers/net/ethernet/intel/ice/ice_switch.h
@@ -14,6 +14,15 @@
#define ICE_VSI_INVAL_ID 0xffff
#define ICE_INVAL_Q_HANDLE 0xFFFF
+/* Switch Profile IDs for Profile related switch rules */
+#define ICE_PROFID_IPV4_GTPC_TEID 41
+#define ICE_PROFID_IPV4_GTPC_NO_TEID 42
+#define ICE_PROFID_IPV4_GTPU_TEID 43
+#define ICE_PROFID_IPV6_GTPC_TEID 44
+#define ICE_PROFID_IPV6_GTPC_NO_TEID 45
+#define ICE_PROFID_IPV6_GTPU_TEID 46
+#define ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER 70
+
#define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \
(offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr))
diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.c b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
index fedc310c376c..3acd9f921c44 100644
--- a/drivers/net/ethernet/intel/ice/ice_tc_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
@@ -27,6 +27,9 @@ ice_tc_count_lkups(u32 flags, struct ice_tc_flower_lyr_2_4_hdrs *headers,
if (flags & ICE_TC_FLWR_FIELD_ENC_DST_MAC)
lkups_cnt++;
+ if (flags & ICE_TC_FLWR_FIELD_ENC_OPTS)
+ lkups_cnt++;
+
if (flags & (ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 |
ICE_TC_FLWR_FIELD_ENC_DEST_IPV4 |
ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 |
@@ -102,6 +105,11 @@ ice_proto_type_from_tunnel(enum ice_tunnel_type type)
return ICE_GENEVE;
case TNL_GRETAP:
return ICE_NVGRE;
+ case TNL_GTPU:
+ /* NO_PAY profiles will not work with GTP-U */
+ return ICE_GTP;
+ case TNL_GTPC:
+ return ICE_GTP_NO_PAY;
default:
return 0;
}
@@ -117,6 +125,10 @@ ice_sw_type_from_tunnel(enum ice_tunnel_type type)
return ICE_SW_TUN_GENEVE;
case TNL_GRETAP:
return ICE_SW_TUN_NVGRE;
+ case TNL_GTPU:
+ return ICE_SW_TUN_GTPU;
+ case TNL_GTPC:
+ return ICE_SW_TUN_GTPC;
default:
return ICE_NON_TUN;
}
@@ -143,7 +155,15 @@ ice_tc_fill_tunnel_outer(u32 flags, struct ice_tc_flower_fltr *fltr,
break;
case TNL_GRETAP:
list[i].h_u.nvgre_hdr.tni_flow = fltr->tenant_id;
- memcpy(&list[i].m_u.nvgre_hdr.tni_flow, "\xff\xff\xff\xff", 4);
+ memcpy(&list[i].m_u.nvgre_hdr.tni_flow,
+ "\xff\xff\xff\xff", 4);
+ i++;
+ break;
+ case TNL_GTPC:
+ case TNL_GTPU:
+ list[i].h_u.gtp_hdr.teid = fltr->tenant_id;
+ memcpy(&list[i].m_u.gtp_hdr.teid,
+ "\xff\xff\xff\xff", 4);
i++;
break;
default:
@@ -160,6 +180,24 @@ ice_tc_fill_tunnel_outer(u32 flags, struct ice_tc_flower_fltr *fltr,
i++;
}
+ if (flags & ICE_TC_FLWR_FIELD_ENC_OPTS &&
+ (fltr->tunnel_type == TNL_GTPU || fltr->tunnel_type == TNL_GTPC)) {
+ list[i].type = ice_proto_type_from_tunnel(fltr->tunnel_type);
+
+ if (fltr->gtp_pdu_info_masks.pdu_type) {
+ list[i].h_u.gtp_hdr.pdu_type =
+ fltr->gtp_pdu_info_keys.pdu_type << 4;
+ memcpy(&list[i].m_u.gtp_hdr.pdu_type, "\xf0", 1);
+ }
+
+ if (fltr->gtp_pdu_info_masks.qfi) {
+ list[i].h_u.gtp_hdr.qfi = fltr->gtp_pdu_info_keys.qfi;
+ memcpy(&list[i].m_u.gtp_hdr.qfi, "\x3f", 1);
+ }
+
+ i++;
+ }
+
if (flags & (ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 |
ICE_TC_FLWR_FIELD_ENC_DEST_IPV4)) {
list[i].type = ice_proto_type_from_ipv4(false);
@@ -361,6 +399,12 @@ static int ice_tc_tun_get_type(struct net_device *tunnel_dev)
if (netif_is_gretap(tunnel_dev) ||
netif_is_ip6gretap(tunnel_dev))
return TNL_GRETAP;
+
+ /* Assume GTP-U by default in case of GTP netdev.
+ * GTP-C may be selected later, based on enc_dst_port.
+ */
+ if (netif_is_gtp(tunnel_dev))
+ return TNL_GTPU;
return TNL_LAST;
}
@@ -760,6 +804,40 @@ ice_get_tunnel_device(struct net_device *dev, struct flow_rule *rule)
return NULL;
}
+/**
+ * ice_parse_gtp_type - Sets GTP tunnel type to GTP-U or GTP-C
+ * @match: Flow match structure
+ * @fltr: Pointer to filter structure
+ *
+ * GTP-C/GTP-U is selected based on destination port number (enc_dst_port).
+ * Before calling this funtcion, fltr->tunnel_type should be set to TNL_GTPU,
+ * therefore making GTP-U the default choice (when destination port number is
+ * not specified).
+ */
+static int
+ice_parse_gtp_type(struct flow_match_ports match,
+ struct ice_tc_flower_fltr *fltr)
+{
+ u16 dst_port;
+
+ if (match.key->dst) {
+ dst_port = be16_to_cpu(match.key->dst);
+
+ switch (dst_port) {
+ case 2152:
+ break;
+ case 2123:
+ fltr->tunnel_type = TNL_GTPC;
+ break;
+ default:
+ NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported GTP port number");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
static int
ice_parse_tunnel_attr(struct net_device *dev, struct flow_rule *rule,
struct ice_tc_flower_fltr *fltr)
@@ -815,8 +893,28 @@ ice_parse_tunnel_attr(struct net_device *dev, struct flow_rule *rule,
struct flow_match_ports match;
flow_rule_match_enc_ports(rule, &match);
- if (ice_tc_set_port(match, fltr, headers, true))
- return -EINVAL;
+
+ if (fltr->tunnel_type != TNL_GTPU) {
+ if (ice_tc_set_port(match, fltr, headers, true))
+ return -EINVAL;
+ } else {
+ if (ice_parse_gtp_type(match, fltr))
+ return -EINVAL;
+ }
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_OPTS)) {
+ struct flow_match_enc_opts match;
+
+ flow_rule_match_enc_opts(rule, &match);
+
+ memcpy(&fltr->gtp_pdu_info_keys, &match.key->data[0],
+ sizeof(struct gtp_pdu_session_info));
+
+ memcpy(&fltr->gtp_pdu_info_masks, &match.mask->data[0],
+ sizeof(struct gtp_pdu_session_info));
+
+ fltr->flags |= ICE_TC_FLWR_FIELD_ENC_OPTS;
}
return 0;
@@ -854,6 +952,7 @@ ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi,
BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) |
BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) |
BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) |
+ BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) |
BIT(FLOW_DISSECTOR_KEY_ENC_IP) |
BIT(FLOW_DISSECTOR_KEY_PORTS))) {
NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported key used");
diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.h b/drivers/net/ethernet/intel/ice/ice_tc_lib.h
index 319049477959..e25e958f4396 100644
--- a/drivers/net/ethernet/intel/ice/ice_tc_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.h
@@ -22,6 +22,7 @@
#define ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT BIT(15)
#define ICE_TC_FLWR_FIELD_ENC_DST_MAC BIT(16)
#define ICE_TC_FLWR_FIELD_ETH_TYPE_ID BIT(17)
+#define ICE_TC_FLWR_FIELD_ENC_OPTS BIT(18)
#define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF
@@ -119,6 +120,8 @@ struct ice_tc_flower_fltr {
struct ice_tc_flower_lyr_2_4_hdrs inner_headers;
struct ice_vsi *src_vsi;
__be32 tenant_id;
+ struct gtp_pdu_session_info gtp_pdu_info_keys;
+ struct gtp_pdu_session_info gtp_pdu_info_masks;
u32 flags;
u8 tunnel_type;
struct ice_tc_flower_action action;
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index bf087171bcf0..756714d4ad92 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -66,13 +66,23 @@ struct gtp_dev {
struct sock *sk0;
struct sock *sk1u;
+ u8 sk_created;
struct net_device *dev;
+ struct net *net;
unsigned int role;
unsigned int hash_size;
struct hlist_head *tid_hash;
struct hlist_head *addr_hash;
+
+ u8 restart_count;
+};
+
+struct echo_info {
+ struct in_addr ms_addr_ip4;
+ struct in_addr peer_addr_ip4;
+ u8 gtp_version;
};
static unsigned int gtp_net_id __read_mostly;
@@ -83,6 +93,16 @@ struct gtp_net {
static u32 gtp_h_initval;
+static struct genl_family gtp_genl_family;
+
+enum gtp_multicast_groups {
+ GTP_GENL_MCGRP,
+};
+
+static const struct genl_multicast_group gtp_genl_mcgrps[] = {
+ [GTP_GENL_MCGRP] = { .name = GTP_GENL_MCGRP_NAME },
+};
+
static void pdp_context_delete(struct pdp_ctx *pctx);
static inline u32 gtp0_hashfn(u64 tid)
@@ -215,6 +235,174 @@ err:
return -1;
}
+static struct rtable *ip4_route_output_gtp(struct flowi4 *fl4,
+ const struct sock *sk,
+ __be32 daddr, __be32 saddr)
+{
+ memset(fl4, 0, sizeof(*fl4));
+ fl4->flowi4_oif = sk->sk_bound_dev_if;
+ fl4->daddr = daddr;
+ fl4->saddr = saddr;
+ fl4->flowi4_tos = RT_CONN_FLAGS(sk);
+ fl4->flowi4_proto = sk->sk_protocol;
+
+ return ip_route_output_key(sock_net(sk), fl4);
+}
+
+/* GSM TS 09.60. 7.3
+ * In all Path Management messages:
+ * - TID: is not used and shall be set to 0.
+ * - Flow Label is not used and shall be set to 0
+ * In signalling messages:
+ * - number: this field is not yet used in signalling messages.
+ * It shall be set to 255 by the sender and shall be ignored
+ * by the receiver
+ * Returns true if the echo req was correct, false otherwise.
+ */
+static bool gtp0_validate_echo_hdr(struct gtp0_header *gtp0)
+{
+ return !(gtp0->tid || (gtp0->flags ^ 0x1e) ||
+ gtp0->number != 0xff || gtp0->flow);
+}
+
+/* msg_type has to be GTP_ECHO_REQ or GTP_ECHO_RSP */
+static void gtp0_build_echo_msg(struct gtp0_header *hdr, __u8 msg_type)
+{
+ int len_pkt, len_hdr;
+
+ hdr->flags = 0x1e; /* v0, GTP-non-prime. */
+ hdr->type = msg_type;
+ /* GSM TS 09.60. 7.3 In all Path Management Flow Label and TID
+ * are not used and shall be set to 0.
+ */
+ hdr->flow = 0;
+ hdr->tid = 0;
+ hdr->number = 0xff;
+ hdr->spare[0] = 0xff;
+ hdr->spare[1] = 0xff;
+ hdr->spare[2] = 0xff;
+
+ len_pkt = sizeof(struct gtp0_packet);
+ len_hdr = sizeof(struct gtp0_header);
+
+ if (msg_type == GTP_ECHO_RSP)
+ hdr->length = htons(len_pkt - len_hdr);
+ else
+ hdr->length = 0;
+}
+
+static int gtp0_send_echo_resp(struct gtp_dev *gtp, struct sk_buff *skb)
+{
+ struct gtp0_packet *gtp_pkt;
+ struct gtp0_header *gtp0;
+ struct rtable *rt;
+ struct flowi4 fl4;
+ struct iphdr *iph;
+ __be16 seq;
+
+ gtp0 = (struct gtp0_header *)(skb->data + sizeof(struct udphdr));
+
+ if (!gtp0_validate_echo_hdr(gtp0))
+ return -1;
+
+ seq = gtp0->seq;
+
+ /* pull GTP and UDP headers */
+ skb_pull_data(skb, sizeof(struct gtp0_header) + sizeof(struct udphdr));
+
+ gtp_pkt = skb_push(skb, sizeof(struct gtp0_packet));
+ memset(gtp_pkt, 0, sizeof(struct gtp0_packet));
+
+ gtp0_build_echo_msg(&gtp_pkt->gtp0_h, GTP_ECHO_RSP);
+
+ /* GSM TS 09.60. 7.3 The Sequence Number in a signalling response
+ * message shall be copied from the signalling request message
+ * that the GSN is replying to.
+ */
+ gtp_pkt->gtp0_h.seq = seq;
+
+ gtp_pkt->ie.tag = GTPIE_RECOVERY;
+ gtp_pkt->ie.val = gtp->restart_count;
+
+ iph = ip_hdr(skb);
+
+ /* find route to the sender,
+ * src address becomes dst address and vice versa.
+ */
+ rt = ip4_route_output_gtp(&fl4, gtp->sk0, iph->saddr, iph->daddr);
+ if (IS_ERR(rt)) {
+ netdev_dbg(gtp->dev, "no route for echo response from %pI4\n",
+ &iph->saddr);
+ return -1;
+ }
+
+ udp_tunnel_xmit_skb(rt, gtp->sk0, skb,
+ fl4.saddr, fl4.daddr,
+ iph->tos,
+ ip4_dst_hoplimit(&rt->dst),
+ 0,
+ htons(GTP0_PORT), htons(GTP0_PORT),
+ !net_eq(sock_net(gtp->sk1u),
+ dev_net(gtp->dev)),
+ false);
+ return 0;
+}
+
+static int gtp_genl_fill_echo(struct sk_buff *skb, u32 snd_portid, u32 snd_seq,
+ int flags, u32 type, struct echo_info echo)
+{
+ void *genlh;
+
+ genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family, flags,
+ type);
+ if (!genlh)
+ goto failure;
+
+ if (nla_put_u32(skb, GTPA_VERSION, echo.gtp_version) ||
+ nla_put_be32(skb, GTPA_PEER_ADDRESS, echo.peer_addr_ip4.s_addr) ||
+ nla_put_be32(skb, GTPA_MS_ADDRESS, echo.ms_addr_ip4.s_addr))
+ goto failure;
+
+ genlmsg_end(skb, genlh);
+ return 0;
+
+failure:
+ genlmsg_cancel(skb, genlh);
+ return -EMSGSIZE;
+}
+
+static int gtp0_handle_echo_resp(struct gtp_dev *gtp, struct sk_buff *skb)
+{
+ struct gtp0_header *gtp0;
+ struct echo_info echo;
+ struct sk_buff *msg;
+ struct iphdr *iph;
+ int ret;
+
+ gtp0 = (struct gtp0_header *)(skb->data + sizeof(struct udphdr));
+
+ if (!gtp0_validate_echo_hdr(gtp0))
+ return -1;
+
+ iph = ip_hdr(skb);
+ echo.ms_addr_ip4.s_addr = iph->daddr;
+ echo.peer_addr_ip4.s_addr = iph->saddr;
+ echo.gtp_version = GTP_V0;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ if (!msg)
+ return -ENOMEM;
+
+ ret = gtp_genl_fill_echo(msg, 0, 0, 0, GTP_CMD_ECHOREQ, echo);
+ if (ret < 0) {
+ nlmsg_free(msg);
+ return ret;
+ }
+
+ return genlmsg_multicast_netns(&gtp_genl_family, dev_net(gtp->dev),
+ msg, 0, GTP_GENL_MCGRP, GFP_ATOMIC);
+}
+
/* 1 means pass up to the stack, -1 means drop and 0 means decapsulated. */
static int gtp0_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb)
{
@@ -231,6 +419,16 @@ static int gtp0_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb)
if ((gtp0->flags >> 5) != GTP_V0)
return 1;
+ /* If the sockets were created in kernel, it means that
+ * there is no daemon running in userspace which would
+ * handle echo request.
+ */
+ if (gtp0->type == GTP_ECHO_REQ && gtp->sk_created)
+ return gtp0_send_echo_resp(gtp, skb);
+
+ if (gtp0->type == GTP_ECHO_RSP && gtp->sk_created)
+ return gtp0_handle_echo_resp(gtp, skb);
+
if (gtp0->type != GTP_TPDU)
return 1;
@@ -243,6 +441,131 @@ static int gtp0_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb)
return gtp_rx(pctx, skb, hdrlen, gtp->role);
}
+/* msg_type has to be GTP_ECHO_REQ or GTP_ECHO_RSP */
+static void gtp1u_build_echo_msg(struct gtp1_header_long *hdr, __u8 msg_type)
+{
+ int len_pkt, len_hdr;
+
+ /* S flag must be set to 1 */
+ hdr->flags = 0x32; /* v1, GTP-non-prime. */
+ hdr->type = msg_type;
+ /* 3GPP TS 29.281 5.1 - TEID has to be set to 0 */
+ hdr->tid = 0;
+
+ /* seq, npdu and next should be counted to the length of the GTP packet
+ * that's why szie of gtp1_header should be subtracted,
+ * not size of gtp1_header_long.
+ */
+
+ len_hdr = sizeof(struct gtp1_header);
+
+ if (msg_type == GTP_ECHO_RSP) {
+ len_pkt = sizeof(struct gtp1u_packet);
+ hdr->length = htons(len_pkt - len_hdr);
+ } else {
+ /* GTP_ECHO_REQ does not carry GTP Information Element,
+ * the why gtp1_header_long is used here.
+ */
+ len_pkt = sizeof(struct gtp1_header_long);
+ hdr->length = htons(len_pkt - len_hdr);
+ }
+}
+
+static int gtp1u_send_echo_resp(struct gtp_dev *gtp, struct sk_buff *skb)
+{
+ struct gtp1_header_long *gtp1u;
+ struct gtp1u_packet *gtp_pkt;
+ struct rtable *rt;
+ struct flowi4 fl4;
+ struct iphdr *iph;
+
+ gtp1u = (struct gtp1_header_long *)(skb->data + sizeof(struct udphdr));
+
+ /* 3GPP TS 29.281 5.1 - For the Echo Request, Echo Response,
+ * Error Indication and Supported Extension Headers Notification
+ * messages, the S flag shall be set to 1 and TEID shall be set to 0.
+ */
+ if (!(gtp1u->flags & GTP1_F_SEQ) || gtp1u->tid)
+ return -1;
+
+ /* pull GTP and UDP headers */
+ skb_pull_data(skb,
+ sizeof(struct gtp1_header_long) + sizeof(struct udphdr));
+
+ gtp_pkt = skb_push(skb, sizeof(struct gtp1u_packet));
+ memset(gtp_pkt, 0, sizeof(struct gtp1u_packet));
+
+ gtp1u_build_echo_msg(&gtp_pkt->gtp1u_h, GTP_ECHO_RSP);
+
+ /* 3GPP TS 29.281 7.7.2 - The Restart Counter value in the
+ * Recovery information element shall not be used, i.e. it shall
+ * be set to zero by the sender and shall be ignored by the receiver.
+ * The Recovery information element is mandatory due to backwards
+ * compatibility reasons.
+ */
+ gtp_pkt->ie.tag = GTPIE_RECOVERY;
+ gtp_pkt->ie.val = 0;
+
+ iph = ip_hdr(skb);
+
+ /* find route to the sender,
+ * src address becomes dst address and vice versa.
+ */
+ rt = ip4_route_output_gtp(&fl4, gtp->sk1u, iph->saddr, iph->daddr);
+ if (IS_ERR(rt)) {
+ netdev_dbg(gtp->dev, "no route for echo response from %pI4\n",
+ &iph->saddr);
+ return -1;
+ }
+
+ udp_tunnel_xmit_skb(rt, gtp->sk1u, skb,
+ fl4.saddr, fl4.daddr,
+ iph->tos,
+ ip4_dst_hoplimit(&rt->dst),
+ 0,
+ htons(GTP1U_PORT), htons(GTP1U_PORT),
+ !net_eq(sock_net(gtp->sk1u),
+ dev_net(gtp->dev)),
+ false);
+ return 0;
+}
+
+static int gtp1u_handle_echo_resp(struct gtp_dev *gtp, struct sk_buff *skb)
+{
+ struct gtp1_header_long *gtp1u;
+ struct echo_info echo;
+ struct sk_buff *msg;
+ struct iphdr *iph;
+ int ret;
+
+ gtp1u = (struct gtp1_header_long *)(skb->data + sizeof(struct udphdr));
+
+ /* 3GPP TS 29.281 5.1 - For the Echo Request, Echo Response,
+ * Error Indication and Supported Extension Headers Notification
+ * messages, the S flag shall be set to 1 and TEID shall be set to 0.
+ */
+ if (!(gtp1u->flags & GTP1_F_SEQ) || gtp1u->tid)
+ return -1;
+
+ iph = ip_hdr(skb);
+ echo.ms_addr_ip4.s_addr = iph->daddr;
+ echo.peer_addr_ip4.s_addr = iph->saddr;
+ echo.gtp_version = GTP_V1;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ if (!msg)
+ return -ENOMEM;
+
+ ret = gtp_genl_fill_echo(msg, 0, 0, 0, GTP_CMD_ECHOREQ, echo);
+ if (ret < 0) {
+ nlmsg_free(msg);
+ return ret;
+ }
+
+ return genlmsg_multicast_netns(&gtp_genl_family, dev_net(gtp->dev),
+ msg, 0, GTP_GENL_MCGRP, GFP_ATOMIC);
+}
+
static int gtp1u_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb)
{
unsigned int hdrlen = sizeof(struct udphdr) +
@@ -258,6 +581,16 @@ static int gtp1u_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb)
if ((gtp1->flags >> 5) != GTP_V1)
return 1;
+ /* If the sockets were created in kernel, it means that
+ * there is no daemon running in userspace which would
+ * handle echo request.
+ */
+ if (gtp1->type == GTP_ECHO_REQ && gtp->sk_created)
+ return gtp1u_send_echo_resp(gtp, skb);
+
+ if (gtp1->type == GTP_ECHO_RSP && gtp->sk_created)
+ return gtp1u_handle_echo_resp(gtp, skb);
+
if (gtp1->type != GTP_TPDU)
return 1;
@@ -320,8 +653,16 @@ static void gtp_encap_disable_sock(struct sock *sk)
static void gtp_encap_disable(struct gtp_dev *gtp)
{
- gtp_encap_disable_sock(gtp->sk0);
- gtp_encap_disable_sock(gtp->sk1u);
+ if (gtp->sk_created) {
+ udp_tunnel_sock_release(gtp->sk0->sk_socket);
+ udp_tunnel_sock_release(gtp->sk1u->sk_socket);
+ gtp->sk_created = false;
+ gtp->sk0 = NULL;
+ gtp->sk1u = NULL;
+ } else {
+ gtp_encap_disable_sock(gtp->sk0);
+ gtp_encap_disable_sock(gtp->sk1u);
+ }
}
/* UDP encapsulation receive handler. See net/ipv4/udp.c.
@@ -388,20 +729,6 @@ static void gtp_dev_uninit(struct net_device *dev)
free_percpu(dev->tstats);
}
-static struct rtable *ip4_route_output_gtp(struct flowi4 *fl4,
- const struct sock *sk,
- __be32 daddr)
-{
- memset(fl4, 0, sizeof(*fl4));
- fl4->flowi4_oif = sk->sk_bound_dev_if;
- fl4->daddr = daddr;
- fl4->saddr = inet_sk(sk)->inet_saddr;
- fl4->flowi4_tos = RT_CONN_FLAGS(sk);
- fl4->flowi4_proto = sk->sk_protocol;
-
- return ip_route_output_key(sock_net(sk), fl4);
-}
-
static inline void gtp0_push_header(struct sk_buff *skb, struct pdp_ctx *pctx)
{
int payload_len = skb->len;
@@ -507,7 +834,8 @@ static int gtp_build_skb_ip4(struct sk_buff *skb, struct net_device *dev,
}
netdev_dbg(dev, "found PDP context %p\n", pctx);
- rt = ip4_route_output_gtp(&fl4, pctx->sk, pctx->peer_addr_ip4.s_addr);
+ rt = ip4_route_output_gtp(&fl4, pctx->sk, pctx->peer_addr_ip4.s_addr,
+ inet_sk(pctx->sk)->inet_saddr);
if (IS_ERR(rt)) {
netdev_dbg(dev, "no route to SSGN %pI4\n",
&pctx->peer_addr_ip4.s_addr);
@@ -656,17 +984,69 @@ static void gtp_destructor(struct net_device *dev)
kfree(gtp->tid_hash);
}
+static struct sock *gtp_create_sock(int type, struct gtp_dev *gtp)
+{
+ struct udp_tunnel_sock_cfg tuncfg = {};
+ struct udp_port_cfg udp_conf = {
+ .local_ip.s_addr = htonl(INADDR_ANY),
+ .family = AF_INET,
+ };
+ struct net *net = gtp->net;
+ struct socket *sock;
+ int err;
+
+ if (type == UDP_ENCAP_GTP0)
+ udp_conf.local_udp_port = htons(GTP0_PORT);
+ else if (type == UDP_ENCAP_GTP1U)
+ udp_conf.local_udp_port = htons(GTP1U_PORT);
+ else
+ return ERR_PTR(-EINVAL);
+
+ err = udp_sock_create(net, &udp_conf, &sock);
+ if (err)
+ return ERR_PTR(err);
+
+ tuncfg.sk_user_data = gtp;
+ tuncfg.encap_type = type;
+ tuncfg.encap_rcv = gtp_encap_recv;
+ tuncfg.encap_destroy = NULL;
+
+ setup_udp_tunnel_sock(net, sock, &tuncfg);
+
+ return sock->sk;
+}
+
+static int gtp_create_sockets(struct gtp_dev *gtp, struct nlattr *data[])
+{
+ struct sock *sk1u = NULL;
+ struct sock *sk0 = NULL;
+
+ sk0 = gtp_create_sock(UDP_ENCAP_GTP0, gtp);
+ if (IS_ERR(sk0))
+ return PTR_ERR(sk0);
+
+ sk1u = gtp_create_sock(UDP_ENCAP_GTP1U, gtp);
+ if (IS_ERR(sk1u)) {
+ udp_tunnel_sock_release(sk0->sk_socket);
+ return PTR_ERR(sk1u);
+ }
+
+ gtp->sk_created = true;
+ gtp->sk0 = sk0;
+ gtp->sk1u = sk1u;
+
+ return 0;
+}
+
static int gtp_newlink(struct net *src_net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[],
struct netlink_ext_ack *extack)
{
+ unsigned int role = GTP_ROLE_GGSN;
struct gtp_dev *gtp;
struct gtp_net *gn;
int hashsize, err;
- if (!data[IFLA_GTP_FD0] && !data[IFLA_GTP_FD1])
- return -EINVAL;
-
gtp = netdev_priv(dev);
if (!data[IFLA_GTP_PDP_HASHSIZE]) {
@@ -677,11 +1057,28 @@ static int gtp_newlink(struct net *src_net, struct net_device *dev,
hashsize = 1024;
}
+ if (data[IFLA_GTP_ROLE]) {
+ role = nla_get_u32(data[IFLA_GTP_ROLE]);
+ if (role > GTP_ROLE_SGSN)
+ return -EINVAL;
+ }
+ gtp->role = role;
+
+ if (!data[IFLA_GTP_RESTART_COUNT])
+ gtp->restart_count = 0;
+ else
+ gtp->restart_count = nla_get_u8(data[IFLA_GTP_RESTART_COUNT]);
+
+ gtp->net = src_net;
+
err = gtp_hashtable_new(gtp, hashsize);
if (err < 0)
return err;
- err = gtp_encap_enable(gtp, data);
+ if (data[IFLA_GTP_CREATE_SOCKETS])
+ err = gtp_create_sockets(gtp, data);
+ else
+ err = gtp_encap_enable(gtp, data);
if (err < 0)
goto out_hashtable;
@@ -726,6 +1123,8 @@ static const struct nla_policy gtp_policy[IFLA_GTP_MAX + 1] = {
[IFLA_GTP_FD1] = { .type = NLA_U32 },
[IFLA_GTP_PDP_HASHSIZE] = { .type = NLA_U32 },
[IFLA_GTP_ROLE] = { .type = NLA_U32 },
+ [IFLA_GTP_CREATE_SOCKETS] = { .type = NLA_U8 },
+ [IFLA_GTP_RESTART_COUNT] = { .type = NLA_U8 },
};
static int gtp_validate(struct nlattr *tb[], struct nlattr *data[],
@@ -740,7 +1139,8 @@ static int gtp_validate(struct nlattr *tb[], struct nlattr *data[],
static size_t gtp_get_size(const struct net_device *dev)
{
return nla_total_size(sizeof(__u32)) + /* IFLA_GTP_PDP_HASHSIZE */
- nla_total_size(sizeof(__u32)); /* IFLA_GTP_ROLE */
+ nla_total_size(sizeof(__u32)) + /* IFLA_GTP_ROLE */
+ nla_total_size(sizeof(__u8)); /* IFLA_GTP_RESTART_COUNT */
}
static int gtp_fill_info(struct sk_buff *skb, const struct net_device *dev)
@@ -751,6 +1151,8 @@ static int gtp_fill_info(struct sk_buff *skb, const struct net_device *dev)
goto nla_put_failure;
if (nla_put_u32(skb, IFLA_GTP_ROLE, gtp->role))
goto nla_put_failure;
+ if (nla_put_u8(skb, IFLA_GTP_RESTART_COUNT, gtp->restart_count))
+ goto nla_put_failure;
return 0;
@@ -848,7 +1250,9 @@ static int gtp_encap_enable(struct gtp_dev *gtp, struct nlattr *data[])
{
struct sock *sk1u = NULL;
struct sock *sk0 = NULL;
- unsigned int role = GTP_ROLE_GGSN;
+
+ if (!data[IFLA_GTP_FD0] && !data[IFLA_GTP_FD1])
+ return -EINVAL;
if (data[IFLA_GTP_FD0]) {
u32 fd0 = nla_get_u32(data[IFLA_GTP_FD0]);
@@ -868,18 +1272,8 @@ static int gtp_encap_enable(struct gtp_dev *gtp, struct nlattr *data[])
}
}
- if (data[IFLA_GTP_ROLE]) {
- role = nla_get_u32(data[IFLA_GTP_ROLE]);
- if (role > GTP_ROLE_SGSN) {
- gtp_encap_disable_sock(sk0);
- gtp_encap_disable_sock(sk1u);
- return -EINVAL;
- }
- }
-
gtp->sk0 = sk0;
gtp->sk1u = sk1u;
- gtp->role = role;
return 0;
}
@@ -1183,16 +1577,6 @@ out_unlock:
return err;
}
-static struct genl_family gtp_genl_family;
-
-enum gtp_multicast_groups {
- GTP_GENL_MCGRP,
-};
-
-static const struct genl_multicast_group gtp_genl_mcgrps[] = {
- [GTP_GENL_MCGRP] = { .name = GTP_GENL_MCGRP_NAME },
-};
-
static int gtp_genl_fill_info(struct sk_buff *skb, u32 snd_portid, u32 snd_seq,
int flags, u32 type, struct pdp_ctx *pctx)
{
@@ -1336,6 +1720,95 @@ out:
return skb->len;
}
+static int gtp_genl_send_echo_req(struct sk_buff *skb, struct genl_info *info)
+{
+ struct sk_buff *skb_to_send;
+ __be32 src_ip, dst_ip;
+ unsigned int version;
+ struct gtp_dev *gtp;
+ struct flowi4 fl4;
+ struct rtable *rt;
+ struct sock *sk;
+ __be16 port;
+ int len;
+
+ if (!info->attrs[GTPA_VERSION] ||
+ !info->attrs[GTPA_LINK] ||
+ !info->attrs[GTPA_PEER_ADDRESS] ||
+ !info->attrs[GTPA_MS_ADDRESS])
+ return -EINVAL;
+
+ version = nla_get_u32(info->attrs[GTPA_VERSION]);
+ dst_ip = nla_get_be32(info->attrs[GTPA_PEER_ADDRESS]);
+ src_ip = nla_get_be32(info->attrs[GTPA_MS_ADDRESS]);
+
+ gtp = gtp_find_dev(sock_net(skb->sk), info->attrs);
+ if (!gtp)
+ return -ENODEV;
+
+ if (!gtp->sk_created)
+ return -EOPNOTSUPP;
+ if (!(gtp->dev->flags & IFF_UP))
+ return -ENETDOWN;
+
+ if (version == GTP_V0) {
+ struct gtp0_header *gtp0_h;
+
+ len = LL_RESERVED_SPACE(gtp->dev) + sizeof(struct gtp0_header) +
+ sizeof(struct iphdr) + sizeof(struct udphdr);
+
+ skb_to_send = netdev_alloc_skb_ip_align(gtp->dev, len);
+ if (!skb_to_send)
+ return -ENOMEM;
+
+ sk = gtp->sk0;
+ port = htons(GTP0_PORT);
+
+ gtp0_h = skb_push(skb_to_send, sizeof(struct gtp0_header));
+ memset(gtp0_h, 0, sizeof(struct gtp0_header));
+ gtp0_build_echo_msg(gtp0_h, GTP_ECHO_REQ);
+ } else if (version == GTP_V1) {
+ struct gtp1_header_long *gtp1u_h;
+
+ len = LL_RESERVED_SPACE(gtp->dev) +
+ sizeof(struct gtp1_header_long) +
+ sizeof(struct iphdr) + sizeof(struct udphdr);
+
+ skb_to_send = netdev_alloc_skb_ip_align(gtp->dev, len);
+ if (!skb_to_send)
+ return -ENOMEM;
+
+ sk = gtp->sk1u;
+ port = htons(GTP1U_PORT);
+
+ gtp1u_h = skb_push(skb_to_send,
+ sizeof(struct gtp1_header_long));
+ memset(gtp1u_h, 0, sizeof(struct gtp1_header_long));
+ gtp1u_build_echo_msg(gtp1u_h, GTP_ECHO_REQ);
+ } else {
+ return -ENODEV;
+ }
+
+ rt = ip4_route_output_gtp(&fl4, sk, dst_ip, src_ip);
+ if (IS_ERR(rt)) {
+ netdev_dbg(gtp->dev, "no route for echo request to %pI4\n",
+ &dst_ip);
+ kfree_skb(skb_to_send);
+ return -ENODEV;
+ }
+
+ udp_tunnel_xmit_skb(rt, sk, skb_to_send,
+ fl4.saddr, fl4.daddr,
+ fl4.flowi4_tos,
+ ip4_dst_hoplimit(&rt->dst),
+ 0,
+ port, port,
+ !net_eq(sock_net(sk),
+ dev_net(gtp->dev)),
+ false);
+ return 0;
+}
+
static const struct nla_policy gtp_genl_policy[GTPA_MAX + 1] = {
[GTPA_LINK] = { .type = NLA_U32, },
[GTPA_VERSION] = { .type = NLA_U32, },
@@ -1368,6 +1841,12 @@ static const struct genl_small_ops gtp_genl_ops[] = {
.dumpit = gtp_genl_dump_pdp,
.flags = GENL_ADMIN_PERM,
},
+ {
+ .cmd = GTP_CMD_ECHOREQ,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+ .doit = gtp_genl_send_echo_req,
+ .flags = GENL_ADMIN_PERM,
+ },
};
static struct genl_family gtp_genl_family __ro_after_init = {
diff --git a/include/net/gtp.h b/include/net/gtp.h
index 0e16ebb2a82d..c1d6169df331 100644
--- a/include/net/gtp.h
+++ b/include/net/gtp.h
@@ -7,8 +7,13 @@
#define GTP0_PORT 3386
#define GTP1U_PORT 2152
+/* GTP messages types */
+#define GTP_ECHO_REQ 1 /* Echo Request */
+#define GTP_ECHO_RSP 2 /* Echo Response */
#define GTP_TPDU 255
+#define GTPIE_RECOVERY 14
+
struct gtp0_header { /* According to GSM TS 09.60. */
__u8 flags;
__u8 type;
@@ -27,6 +32,43 @@ struct gtp1_header { /* According to 3GPP TS 29.060. */
__be32 tid;
} __attribute__ ((packed));
+struct gtp1_header_long { /* According to 3GPP TS 29.060. */
+ __u8 flags;
+ __u8 type;
+ __be16 length;
+ __be32 tid;
+ __be16 seq;
+ __u8 npdu;
+ __u8 next;
+} __packed;
+
+/* GTP Information Element */
+struct gtp_ie {
+ __u8 tag;
+ __u8 val;
+} __packed;
+
+struct gtp0_packet {
+ struct gtp0_header gtp0_h;
+ struct gtp_ie ie;
+} __packed;
+
+struct gtp1u_packet {
+ struct gtp1_header_long gtp1u_h;
+ struct gtp_ie ie;
+} __packed;
+
+struct gtp_pdu_session_info { /* According to 3GPP TS 38.415. */
+ u8 pdu_type;
+ u8 qfi;
+};
+
+static inline bool netif_is_gtp(const struct net_device *dev)
+{
+ return dev->rtnl_link_ops &&
+ !strcmp(dev->rtnl_link_ops->kind, "gtp");
+}
+
#define GTP1_F_NPDU 0x01
#define GTP1_F_SEQ 0x02
#define GTP1_F_EXTHDR 0x04
diff --git a/include/uapi/linux/gtp.h b/include/uapi/linux/gtp.h
index 79f9191bbb24..2f61298a7b77 100644
--- a/include/uapi/linux/gtp.h
+++ b/include/uapi/linux/gtp.h
@@ -8,6 +8,7 @@ enum gtp_genl_cmds {
GTP_CMD_NEWPDP,
GTP_CMD_DELPDP,
GTP_CMD_GETPDP,
+ GTP_CMD_ECHOREQ,
GTP_CMD_MAX,
};
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index ddca20357e7e..bd24c7dc10a2 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -887,6 +887,8 @@ enum {
IFLA_GTP_FD1,
IFLA_GTP_PDP_HASHSIZE,
IFLA_GTP_ROLE,
+ IFLA_GTP_CREATE_SOCKETS,
+ IFLA_GTP_RESTART_COUNT,
__IFLA_GTP_MAX,
};
#define IFLA_GTP_MAX (__IFLA_GTP_MAX - 1)
diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h
index 7d9105533c7b..102119628ff5 100644
--- a/include/uapi/linux/if_tunnel.h
+++ b/include/uapi/linux/if_tunnel.h
@@ -176,8 +176,10 @@ enum {
#define TUNNEL_VXLAN_OPT __cpu_to_be16(0x1000)
#define TUNNEL_NOCACHE __cpu_to_be16(0x2000)
#define TUNNEL_ERSPAN_OPT __cpu_to_be16(0x4000)
+#define TUNNEL_GTP_OPT __cpu_to_be16(0x8000)
#define TUNNEL_OPTIONS_PRESENT \
- (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT)
+ (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT | \
+ TUNNEL_GTP_OPT)
#endif /* _UAPI_IF_TUNNEL_H_ */
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index ee38b35c3f57..404f97fb239c 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -616,6 +616,10 @@ enum {
* TCA_FLOWER_KEY_ENC_OPT_ERSPAN_
* attributes
*/
+ TCA_FLOWER_KEY_ENC_OPTS_GTP, /* Nested
+ * TCA_FLOWER_KEY_ENC_OPT_GTP_
+ * attributes
+ */
__TCA_FLOWER_KEY_ENC_OPTS_MAX,
};
@@ -655,6 +659,17 @@ enum {
(__TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX - 1)
enum {
+ TCA_FLOWER_KEY_ENC_OPT_GTP_UNSPEC,
+ TCA_FLOWER_KEY_ENC_OPT_GTP_PDU_TYPE, /* u8 */
+ TCA_FLOWER_KEY_ENC_OPT_GTP_QFI, /* u8 */
+
+ __TCA_FLOWER_KEY_ENC_OPT_GTP_MAX,
+};
+
+#define TCA_FLOWER_KEY_ENC_OPT_GTP_MAX \
+ (__TCA_FLOWER_KEY_ENC_OPT_GTP_MAX - 1)
+
+enum {
TCA_FLOWER_KEY_MPLS_OPTS_UNSPEC,
TCA_FLOWER_KEY_MPLS_OPTS_LSE,
__TCA_FLOWER_KEY_MPLS_OPTS_MAX,
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 1a9b1f140f9e..c80fc49c0da1 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -25,6 +25,7 @@
#include <net/geneve.h>
#include <net/vxlan.h>
#include <net/erspan.h>
+#include <net/gtp.h>
#include <net/dst.h>
#include <net/dst_metadata.h>
@@ -723,6 +724,7 @@ enc_opts_policy[TCA_FLOWER_KEY_ENC_OPTS_MAX + 1] = {
[TCA_FLOWER_KEY_ENC_OPTS_GENEVE] = { .type = NLA_NESTED },
[TCA_FLOWER_KEY_ENC_OPTS_VXLAN] = { .type = NLA_NESTED },
[TCA_FLOWER_KEY_ENC_OPTS_ERSPAN] = { .type = NLA_NESTED },
+ [TCA_FLOWER_KEY_ENC_OPTS_GTP] = { .type = NLA_NESTED },
};
static const struct nla_policy
@@ -747,6 +749,12 @@ erspan_opt_policy[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX + 1] = {
};
static const struct nla_policy
+gtp_opt_policy[TCA_FLOWER_KEY_ENC_OPT_GTP_MAX + 1] = {
+ [TCA_FLOWER_KEY_ENC_OPT_GTP_PDU_TYPE] = { .type = NLA_U8 },
+ [TCA_FLOWER_KEY_ENC_OPT_GTP_QFI] = { .type = NLA_U8 },
+};
+
+static const struct nla_policy
mpls_stack_entry_policy[TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX + 1] = {
[TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH] = { .type = NLA_U8 },
[TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL] = { .type = NLA_U8 },
@@ -1262,6 +1270,49 @@ static int fl_set_erspan_opt(const struct nlattr *nla, struct fl_flow_key *key,
return sizeof(*md);
}
+static int fl_set_gtp_opt(const struct nlattr *nla, struct fl_flow_key *key,
+ int depth, int option_len,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[TCA_FLOWER_KEY_ENC_OPT_GTP_MAX + 1];
+ struct gtp_pdu_session_info *sinfo;
+ u8 len = key->enc_opts.len;
+ int err;
+
+ sinfo = (struct gtp_pdu_session_info *)&key->enc_opts.data[len];
+ memset(sinfo, 0xff, option_len);
+
+ if (!depth)
+ return sizeof(*sinfo);
+
+ if (nla_type(nla) != TCA_FLOWER_KEY_ENC_OPTS_GTP) {
+ NL_SET_ERR_MSG_MOD(extack, "Non-gtp option type for mask");
+ return -EINVAL;
+ }
+
+ err = nla_parse_nested(tb, TCA_FLOWER_KEY_ENC_OPT_GTP_MAX, nla,
+ gtp_opt_policy, extack);
+ if (err < 0)
+ return err;
+
+ if (!option_len &&
+ (!tb[TCA_FLOWER_KEY_ENC_OPT_GTP_PDU_TYPE] ||
+ !tb[TCA_FLOWER_KEY_ENC_OPT_GTP_QFI])) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Missing tunnel key gtp option pdu type or qfi");
+ return -EINVAL;
+ }
+
+ if (tb[TCA_FLOWER_KEY_ENC_OPT_GTP_PDU_TYPE])
+ sinfo->pdu_type =
+ nla_get_u8(tb[TCA_FLOWER_KEY_ENC_OPT_GTP_PDU_TYPE]);
+
+ if (tb[TCA_FLOWER_KEY_ENC_OPT_GTP_QFI])
+ sinfo->qfi = nla_get_u8(tb[TCA_FLOWER_KEY_ENC_OPT_GTP_QFI]);
+
+ return sizeof(*sinfo);
+}
+
static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key,
struct fl_flow_key *mask,
struct netlink_ext_ack *extack)
@@ -1386,6 +1437,38 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key,
return -EINVAL;
}
break;
+ case TCA_FLOWER_KEY_ENC_OPTS_GTP:
+ if (key->enc_opts.dst_opt_type) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Duplicate type for gtp options");
+ return -EINVAL;
+ }
+ option_len = 0;
+ key->enc_opts.dst_opt_type = TUNNEL_GTP_OPT;
+ option_len = fl_set_gtp_opt(nla_opt_key, key,
+ key_depth, option_len,
+ extack);
+ if (option_len < 0)
+ return option_len;
+
+ key->enc_opts.len += option_len;
+ /* At the same time we need to parse through the mask
+ * in order to verify exact and mask attribute lengths.
+ */
+ mask->enc_opts.dst_opt_type = TUNNEL_GTP_OPT;
+ option_len = fl_set_gtp_opt(nla_opt_msk, mask,
+ msk_depth, option_len,
+ extack);
+ if (option_len < 0)
+ return option_len;
+
+ mask->enc_opts.len += option_len;
+ if (key->enc_opts.len != mask->enc_opts.len) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Key and mask miss aligned");
+ return -EINVAL;
+ }
+ break;
default:
NL_SET_ERR_MSG(extack, "Unknown tunnel option type");
return -EINVAL;
@@ -2761,6 +2844,34 @@ nla_put_failure:
return -EMSGSIZE;
}
+static int fl_dump_key_gtp_opt(struct sk_buff *skb,
+ struct flow_dissector_key_enc_opts *enc_opts)
+
+{
+ struct gtp_pdu_session_info *session_info;
+ struct nlattr *nest;
+
+ nest = nla_nest_start_noflag(skb, TCA_FLOWER_KEY_ENC_OPTS_GTP);
+ if (!nest)
+ goto nla_put_failure;
+
+ session_info = (struct gtp_pdu_session_info *)&enc_opts->data[0];
+
+ if (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_GTP_PDU_TYPE,
+ session_info->pdu_type))
+ goto nla_put_failure;
+
+ if (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_GTP_QFI, session_info->qfi))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, nest);
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, nest);
+ return -EMSGSIZE;
+}
+
static int fl_dump_key_ct(struct sk_buff *skb,
struct flow_dissector_key_ct *key,
struct flow_dissector_key_ct *mask)
@@ -2824,6 +2935,11 @@ static int fl_dump_key_options(struct sk_buff *skb, int enc_opt_type,
if (err)
goto nla_put_failure;
break;
+ case TUNNEL_GTP_OPT:
+ err = fl_dump_key_gtp_opt(skb, enc_opts);
+ if (err)
+ goto nla_put_failure;
+ break;
default:
goto nla_put_failure;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-18 16:40:21 +0300