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Message-Id: <20230821023833.2700902-15-junfeng.guo@intel.com> Date: Mon, 21 Aug 2023 10:38:32 +0800 From: Junfeng Guo <junfeng.guo@...el.com> To: intel-wired-lan@...ts.osuosl.org Cc: netdev@...r.kernel.org, anthony.l.nguyen@...el.com, jesse.brandeburg@...el.com, qi.z.zhang@...el.com, ivecera@...hat.com, sridhar.samudrala@...el.com, Junfeng Guo <junfeng.guo@...el.com> Subject: [PATCH iwl-next v5 14/15] ice: add tunnel port support for parser UDP tunnel can be added/deleted for vxlan, geneve, ecpri through below APIs: - ice_parser_vxlan_tunnel_set - ice_parser_geneve_tunnel_set - ice_parser_ecpri_tunnel_set Signed-off-by: Junfeng Guo <junfeng.guo@...el.com> --- drivers/net/ethernet/intel/ice/ice_parser.c | 85 +++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_parser.h | 10 +++ 2 files changed, 95 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c index 5ce98cd303e1..85a2833ffc58 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.c +++ b/drivers/net/ethernet/intel/ice/ice_parser.c @@ -361,3 +361,88 @@ void ice_parser_dvm_set(struct ice_parser *psr, bool on) _ice_bst_vm_set(psr, "BOOST_MAC_VLAN_DVM", on); _ice_bst_vm_set(psr, "BOOST_MAC_VLAN_SVM", !on); } + +static int _ice_tunnel_port_set(struct ice_parser *psr, const char *prefix, + u16 udp_port, bool on) +{ + u8 *buf = (u8 *)&udp_port; + u16 i = 0; + + while (true) { + struct ice_bst_tcam_item *item; + + item = ice_bst_tcam_search(psr->bst_tcam_table, + psr->bst_lbl_table, + prefix, &i); + if (!item) + break; + + /* found empty slot to add */ + if (on && item->key[ICE_BT_TUN_PORT_OFF_H] == ICE_BT_INV_KEY && + item->key_inv[ICE_BT_TUN_PORT_OFF_H] == ICE_BT_INV_KEY) { + item->key_inv[ICE_BT_TUN_PORT_OFF_L] = + buf[ICE_UDP_PORT_OFF_L]; + item->key_inv[ICE_BT_TUN_PORT_OFF_H] = + buf[ICE_UDP_PORT_OFF_H]; + + item->key[ICE_BT_TUN_PORT_OFF_L] = + (u8)(ICE_BT_VLD_KEY - buf[ICE_UDP_PORT_OFF_L]); + item->key[ICE_BT_TUN_PORT_OFF_H] = + (u8)(ICE_BT_VLD_KEY - buf[ICE_UDP_PORT_OFF_H]); + + return 0; + /* found a matched slot to delete */ + } else if (!on && + (item->key_inv[ICE_BT_TUN_PORT_OFF_L] == + buf[ICE_UDP_PORT_OFF_L] || + item->key_inv[ICE_BT_TUN_PORT_OFF_H] == + buf[ICE_UDP_PORT_OFF_H])) { + item->key_inv[ICE_BT_TUN_PORT_OFF_L] = ICE_BT_VLD_KEY; + item->key_inv[ICE_BT_TUN_PORT_OFF_H] = ICE_BT_INV_KEY; + + item->key[ICE_BT_TUN_PORT_OFF_L] = ICE_BT_VLD_KEY; + item->key[ICE_BT_TUN_PORT_OFF_H] = ICE_BT_INV_KEY; + + return 0; + } + i++; + } + + return -EINVAL; +} + +/** + * ice_parser_vxlan_tunnel_set - configure vxlan tunnel for parser + * @psr: pointer to a parser instance + * @udp_port: vxlan tunnel port in UDP header + * @on: true to turn on; false to turn off + */ +int ice_parser_vxlan_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return _ice_tunnel_port_set(psr, "TNL_VXLAN", udp_port, on); +} + +/** + * ice_parser_geneve_tunnel_set - configure geneve tunnel for parser + * @psr: pointer to a parser instance + * @udp_port: geneve tunnel port in UDP header + * @on: true to turn on; false to turn off + */ +int ice_parser_geneve_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return _ice_tunnel_port_set(psr, "TNL_GENEVE", udp_port, on); +} + +/** + * ice_parser_ecpri_tunnel_set - configure ecpri tunnel for parser + * @psr: pointer to a parser instance + * @udp_port: ecpri tunnel port in UDP header + * @on: true to turn on; false to turn off + */ +int ice_parser_ecpri_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return _ice_tunnel_port_set(psr, "TNL_UDP_ECPRI", udp_port, on); +} diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h index c9eee988ebb2..3cfcec4dc477 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.h +++ b/drivers/net/ethernet/intel/ice/ice_parser.h @@ -33,6 +33,10 @@ #define ICE_SID_LBL_ENTRY_SIZE 66 #define ICE_PARSER_PROTO_OFF_PAIR_SIZE 16 +#define ICE_BT_TUN_PORT_OFF_H 16 +#define ICE_BT_TUN_PORT_OFF_L 15 +#define ICE_UDP_PORT_OFF_H 1 +#define ICE_UDP_PORT_OFF_L 0 #define ICE_BT_VM_OFF 0 struct ice_parser { @@ -76,6 +80,12 @@ struct ice_parser { int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr); void ice_parser_destroy(struct ice_parser *psr); void ice_parser_dvm_set(struct ice_parser *psr, bool on); +int ice_parser_vxlan_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on); +int ice_parser_geneve_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on); +int ice_parser_ecpri_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on); struct ice_parser_proto_off { u8 proto_id; /* hardware protocol ID */ -- 2.25.1
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