[18/30] net/ice/base: add VLAN TPID in switchdev

Message ID 20230427062001.478032-19-qiming.yang@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Qi Zhang
Headers
Series net/ice/base: share code update |

Checks

Context Check Description
ci/checkpatch warning coding style issues

Commit Message

Qiming Yang April 27, 2023, 6:19 a.m. UTC
  Signed-off-by: Qiming Yang <qiming.yang@intel.com>
---
 drivers/net/ice/base/ice_protocol_type.h |  6 +++-
 drivers/net/ice/base/ice_switch.c        | 42 ++++++++++++++++++------
 drivers/net/ice/base/ice_switch.h        |  1 +
 3 files changed, 38 insertions(+), 11 deletions(-)
  

Patch

diff --git a/drivers/net/ice/base/ice_protocol_type.h b/drivers/net/ice/base/ice_protocol_type.h
index 1d9baea624..7f5f5069b6 100644
--- a/drivers/net/ice/base/ice_protocol_type.h
+++ b/drivers/net/ice/base/ice_protocol_type.h
@@ -215,7 +215,7 @@  enum ice_prot_id {
  */
 #define ICE_UDP_OF_HW	52 /* UDP Tunnels */
 #define ICE_GRE_OF_HW	64 /* NVGRE */
-#define ICE_META_DATA_ID_HW 255 /* this is used for tunnel type */
+#define ICE_META_DATA_ID_HW 255 /* this is used for tunnel and VLAN type */
 
 #define ICE_MDID_SIZE 2
 #define ICE_TUN_FLAG_MDID 20
@@ -226,6 +226,10 @@  enum ice_prot_id {
 #define ICE_TUN_FLAG_VLAN_MASK 0x01
 #define ICE_TUN_FLAG_FV_IND 2
 
+#define ICE_VLAN_FLAG_MDID 20
+#define ICE_VLAN_FLAG_MDID_OFF (ICE_MDID_SIZE * ICE_VLAN_FLAG_MDID)
+#define ICE_PKT_FLAGS_0_TO_15_VLAN_FLAGS_MASK 0xD000
+
 #define ICE_PROTOCOL_MAX_ENTRIES 16
 
 /* Mapping of software defined protocol ID to hardware defined protocol ID */
diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index 1b8311fdc7..7b3c367e94 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -7502,13 +7502,14 @@  ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm,
 
 /**
  * ice_tun_type_match_word - determine if tun type needs a match mask
- * @tun_type: tunnel type
+ * @rinfo: other information regarding the rule e.g. priority and action info
  * @off: offset of packet flag
  * @mask: mask to be used for the tunnel
  */
-static bool ice_tun_type_match_word(enum ice_sw_tunnel_type tun_type, u16 *off, u16 *mask)
+static bool
+ice_tun_type_match_word(struct ice_adv_rule_info *rinfo, u16 *off, u16 *mask)
 {
-	switch (tun_type) {
+	switch (rinfo->tun_type) {
 	case ICE_SW_TUN_VXLAN_GPE:
 	case ICE_SW_TUN_GENEVE:
 	case ICE_SW_TUN_VXLAN:
@@ -7526,9 +7527,14 @@  static bool ice_tun_type_match_word(enum ice_sw_tunnel_type tun_type, u16 *off,
 		return true;
 
 	case ICE_SW_TUN_AND_NON_TUN:
-		*mask = ICE_DIR_FLAG_MASK;
-		*off = ICE_TUN_FLAG_MDID_OFF(0);
-		return true;
+		if (rinfo->add_dir_lkup) {
+			*mask = ICE_DIR_FLAG_MASK;
+			*off = ICE_TUN_FLAG_MDID_OFF(0);
+			return true;
+		}
+		*mask = 0;
+		*off = 0;
+		return false;
 
 	case ICE_SW_TUN_GENEVE_VLAN:
 	case ICE_SW_TUN_VXLAN_VLAN:
@@ -7548,10 +7554,11 @@  static bool ice_tun_type_match_word(enum ice_sw_tunnel_type tun_type, u16 *off,
  * ice_add_special_words - Add words that are not protocols, such as metadata
  * @rinfo: other information regarding the rule e.g. priority and action info
  * @lkup_exts: lookup word structure
+ * @dvm_ena: is double VLAN mode enabled
  */
 static enum ice_status
 ice_add_special_words(struct ice_adv_rule_info *rinfo,
-		      struct ice_prot_lkup_ext *lkup_exts)
+		      struct ice_prot_lkup_ext *lkup_exts, bool dvm_ena)
 {
 	u16 mask;
 	u16 off;
@@ -7560,7 +7567,7 @@  ice_add_special_words(struct ice_adv_rule_info *rinfo,
 	 * tunnel bit in the packet metadata flags. If this is a tun_and_non_tun
 	 * packet, then add recipe index to match the direction bit in the flag.
 	 */
-	if (ice_tun_type_match_word(rinfo->tun_type, &off, &mask)) {
+	if (ice_tun_type_match_word(rinfo, &off, &mask)) {
 		if (lkup_exts->n_val_words < ICE_MAX_CHAIN_WORDS) {
 			u8 word = lkup_exts->n_val_words++;
 
@@ -7572,6 +7579,19 @@  ice_add_special_words(struct ice_adv_rule_info *rinfo,
 		}
 	}
 
+	if (rinfo->vlan_type != 0 && dvm_ena) {
+		if (lkup_exts->n_val_words < ICE_MAX_CHAIN_WORDS) {
+			u8 word = lkup_exts->n_val_words++;
+
+			lkup_exts->fv_words[word].prot_id = ICE_META_DATA_ID_HW;
+			lkup_exts->fv_words[word].off = ICE_VLAN_FLAG_MDID_OFF;
+			lkup_exts->field_mask[word] =
+					ICE_PKT_FLAGS_0_TO_15_VLAN_FLAGS_MASK;
+		} else {
+			return ICE_ERR_MAX_LIMIT;
+		}
+	}
+
 	return ICE_SUCCESS;
 }
 
@@ -7898,7 +7918,7 @@  ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
 	/* Create any special protocol/offset pairs, such as looking at tunnel
 	 * bits by extracting metadata
 	 */
-	status = ice_add_special_words(rinfo, lkup_exts);
+	status = ice_add_special_words(rinfo, lkup_exts, ice_is_dvm_ena(hw));
 	if (status)
 		goto err_free_lkup_exts;
 
@@ -8745,6 +8765,7 @@  ice_find_adv_rule_entry(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
 			}
 		if (rinfo->sw_act.flag == list_itr->rule_info.sw_act.flag &&
 		    rinfo->tun_type == list_itr->rule_info.tun_type &&
+		    rinfo->vlan_type == list_itr->rule_info.vlan_type &&
 		    lkups_matched)
 			return list_itr;
 	}
@@ -9240,6 +9261,7 @@  ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
 	} else {
 		adv_fltr->lkups = NULL;
 	}
+
 	if (!adv_fltr->lkups && !prof_rule) {
 		status = ICE_ERR_NO_MEMORY;
 		goto err_ice_add_adv_rule;
@@ -9410,7 +9432,7 @@  ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
 	/* Create any special protocol/offset pairs, such as looking at tunnel
 	 * bits by extracting metadata
 	 */
-	status = ice_add_special_words(rinfo, &lkup_exts);
+	status = ice_add_special_words(rinfo, &lkup_exts, ice_is_dvm_ena(hw));
 	if (status)
 		return status;
 
diff --git a/drivers/net/ice/base/ice_switch.h b/drivers/net/ice/base/ice_switch.h
index adb467eb66..366b9bb425 100644
--- a/drivers/net/ice/base/ice_switch.h
+++ b/drivers/net/ice/base/ice_switch.h
@@ -300,6 +300,7 @@  struct ice_adv_rule_info {
 	struct ice_sw_act_ctrl sw_act;
 	u32 priority;
 	u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */
+	u8 add_dir_lkup;
 	u16 fltr_rule_id;
 	u16 lg_id;
 	u16 vlan_type;