From 6065f4cdc31ba83e41688691b61f025c03edb1c6 Mon Sep 17 00:00:00 2001 From: Qi Zhang Date: Fri, 17 Sep 2021 22:43:21 +0800 Subject: [PATCH] net/ice/base: support tunnel port 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: Qi Zhang Acked-by: Junfeng Guo --- drivers/net/ice/base/ice_parser.c | 75 +++++++++++++++++++++++++++++++ drivers/net/ice/base/ice_parser.h | 6 +++ 2 files changed, 81 insertions(+) diff --git a/drivers/net/ice/base/ice_parser.c b/drivers/net/ice/base/ice_parser.c index 395ad220a0..a657e826a3 100644 --- a/drivers/net/ice/base/ice_parser.c +++ b/drivers/net/ice/base/ice_parser.c @@ -367,3 +367,78 @@ void ice_parser_dvm_set(struct ice_parser *psr, bool on) _bst_vm_set(psr, "BOOST_MAC_VLAN_DVM", on); _bst_vm_set(psr, "BOOST_MAC_VLAN_SVM", !on); } + +static enum ice_status +_tunnel_port_set(struct ice_parser *psr, const char *prefix, u16 udp_port, + bool on) +{ + u8 *buf = (u8 *)&udp_port; + struct ice_bst_tcam_item *item; + u16 i = 0; + + while (true) { + 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[16] == 0xfe && item->key_inv[16] == 0xfe) { + item->key_inv[15] = buf[0]; + item->key_inv[16] = buf[1]; + item->key[15] = (u8)(0xff - buf[0]); + item->key[16] = (u8)(0xff - buf[1]); + + return ICE_SUCCESS; + /* found a matched slot to delete */ + } else if (!on && (item->key_inv[15] == buf[0] || + item->key_inv[16] == buf[1])) { + item->key_inv[15] = 0xff; + item->key_inv[16] = 0xfe; + item->key[15] = 0xff; + item->key[16] = 0xfe; + + return ICE_SUCCESS; + } + i++; + } + + return ICE_ERR_PARAM; +} + +/** + * 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 + */ +enum ice_status ice_parser_vxlan_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return _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 + */ +enum ice_status ice_parser_geneve_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return _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 + */ +enum ice_status ice_parser_ecpri_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return _tunnel_port_set(psr, "TNL_UDP_ECPRI", udp_port, on); +} diff --git a/drivers/net/ice/base/ice_parser.h b/drivers/net/ice/base/ice_parser.h index e310466678..105d908ebe 100644 --- a/drivers/net/ice/base/ice_parser.h +++ b/drivers/net/ice/base/ice_parser.h @@ -58,6 +58,12 @@ struct ice_parser { enum ice_status 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); +enum ice_status ice_parser_vxlan_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on); +enum ice_status ice_parser_geneve_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on); +enum ice_status 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 */ -- 2.20.1