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Date: Thu, 25 Apr 2019 01:24:19 +0300
From: Grygorii Strashko <grygorii.strashko@...com>
To: <netdev@...r.kernel.org>,
Ilias Apalodimas <ilias.apalodimas@...aro.org>,
Andrew Lunn <andrew@...n.ch>,
"David S . Miller" <davem@...emloft.net>,
Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
Jiri Pirko <jiri@...nulli.us>
CC: Florian Fainelli <f.fainelli@...il.com>,
Sekhar Nori <nsekhar@...com>, <linux-kernel@...r.kernel.org>,
<linux-omap@...r.kernel.org>,
Murali Karicheri <m-karicheri2@...com>,
Ivan Vecera <ivecera@...hat.com>,
Grygorii Strashko <grygorii.strashko@...com>
Subject: [RFC PATCH v3 net-next 03/11] net: ethernet: ti: cpsw: ale: add functions to modify VLANs/MDBs
From: Ilias Apalodimas <ilias.apalodimas@...aro.org>
A following patch introduces switchdev functionality. Add functions
to cpsw ALE engine to modify VLANs/MDBs
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@...aro.org>
Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
---
drivers/net/ethernet/ti/cpsw_ale.c | 179 ++++++++++++++++++++++++++++-
drivers/net/ethernet/ti/cpsw_ale.h | 10 ++
2 files changed, 187 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index d09768368dbd..add3f6e4917b 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -400,6 +400,45 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,
return 0;
}
+static int cpsw_ale_read_mc(struct cpsw_ale *ale, u8 *addr, int flags, u16 vid)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx;
+
+ idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0);
+ if (idx >= 0)
+ cpsw_ale_read(ale, idx, ale_entry);
+
+ return cpsw_ale_get_port_mask(ale_entry, ale->port_mask_bits);
+}
+
+int cpsw_ale_mcast_add_modify(struct cpsw_ale *ale, u8 *addr, int port_mask,
+ int flags, u16 vid, int mcast_state)
+{
+ int mcast_members, ret;
+
+ mcast_members = cpsw_ale_read_mc(ale, addr, flags, vid) | port_mask;
+ ret = cpsw_ale_add_mcast(ale, addr, mcast_members, flags, vid,
+ mcast_state);
+
+ return ret;
+}
+
+int cpsw_ale_mcast_del_modify(struct cpsw_ale *ale, u8 *addr, int port_mask,
+ int flags, u16 vid)
+{
+ int mcast_members, ret;
+ int idx;
+
+ mcast_members = cpsw_ale_read_mc(ale, addr, flags, vid) & ~port_mask;
+ idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0);
+ if (idx < 0)
+ return 0;
+ ret = cpsw_ale_del_mcast(ale, addr, mcast_members, flags, vid);
+
+ return ret;
+}
+
/* ALE NetCP NU switch specific vlan functions */
static void cpsw_ale_set_vlan_mcast(struct cpsw_ale *ale, u32 *ale_entry,
int reg_mcast, int unreg_mcast)
@@ -415,6 +454,52 @@ static void cpsw_ale_set_vlan_mcast(struct cpsw_ale *ale, u32 *ale_entry,
writel(unreg_mcast, ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));
}
+static int cpsw_ale_read_untagged(struct cpsw_ale *ale, u16 vid)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx;
+
+ idx = cpsw_ale_match_vlan(ale, vid);
+ if (idx >= 0)
+ cpsw_ale_read(ale, idx, ale_entry);
+
+ return cpsw_ale_get_vlan_untag_force(ale_entry, ale->vlan_field_bits);
+}
+
+/* returns mask of current members for specificed vlan */
+static int cpsw_ale_read_vlan_members(struct cpsw_ale *ale, u16 vid)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx;
+
+ idx = cpsw_ale_match_vlan(ale, vid);
+ if (idx >= 0)
+ cpsw_ale_read(ale, idx, ale_entry);
+
+ return cpsw_ale_get_vlan_member_list(ale_entry, ale->vlan_field_bits);
+}
+
+/* returns mask of registered/unregistered multicast registration */
+static int cpsw_ale_read_reg_unreg_mc(struct cpsw_ale *ale, u16 vid, bool unreg)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx;
+ int ret;
+
+ idx = cpsw_ale_match_vlan(ale, vid);
+ if (idx >= 0)
+ cpsw_ale_read(ale, idx, ale_entry);
+
+ if (unreg)
+ ret = cpsw_ale_get_vlan_unreg_mcast(ale_entry,
+ ale->vlan_field_bits);
+ else
+ ret = cpsw_ale_get_vlan_reg_mcast(ale_entry,
+ ale->vlan_field_bits);
+
+ return ret;
+}
+
int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
int reg_mcast, int unreg_mcast)
{
@@ -452,6 +537,11 @@ int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask)
{
+ int reg_mcast =
+ cpsw_ale_read_reg_unreg_mc(ale, vid, 0) & port_mask;
+ int unreg_mcast =
+ cpsw_ale_read_reg_unreg_mc(ale, vid, 1) & port_mask;
+ int untag = cpsw_ale_read_untagged(ale, vid) & port_mask;
u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
int idx;
@@ -461,16 +551,101 @@ int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask)
cpsw_ale_read(ale, idx, ale_entry);
- if (port_mask)
+ if (port_mask) {
+ cpsw_ale_set_vlan_untag_force(ale_entry, untag,
+ ale->vlan_field_bits);
+ if (!ale->params.nu_switch_ale) {
+ cpsw_ale_set_vlan_reg_mcast(ale_entry, reg_mcast,
+ ale->vlan_field_bits);
+ cpsw_ale_set_vlan_unreg_mcast(ale_entry, unreg_mcast,
+ ale->vlan_field_bits);
+ } else {
+ cpsw_ale_set_vlan_mcast(ale, ale_entry, reg_mcast,
+ unreg_mcast);
+ }
cpsw_ale_set_vlan_member_list(ale_entry, port_mask,
ale->vlan_field_bits);
- else
+ } else {
cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
+ }
cpsw_ale_write(ale, idx, ale_entry);
+
return 0;
}
+int cpsw_ale_vlan_add_modify(struct cpsw_ale *ale, u16 vid, int port_mask,
+ int untag_mask, int reg_mask, int unreg_mask)
+{
+ int ret = 0;
+ int vlan_members = cpsw_ale_read_vlan_members(ale, vid) & ~port_mask;
+ int reg_mcast_members =
+ cpsw_ale_read_reg_unreg_mc(ale, vid, 0) & ~port_mask;
+ int unreg_mcast_members =
+ cpsw_ale_read_reg_unreg_mc(ale, vid, 1) & ~port_mask;
+ int untag_members = cpsw_ale_read_untagged(ale, vid) & ~port_mask;
+
+ vlan_members |= port_mask;
+ untag_members |= untag_mask;
+ reg_mcast_members |= reg_mask;
+ unreg_mcast_members |= unreg_mask;
+
+ ret = cpsw_ale_add_vlan(ale, vid, vlan_members, untag_members,
+ reg_mcast_members, unreg_mcast_members);
+ if (ret) {
+ dev_err(ale->params.dev, "Unable to add vlan\n");
+ return ret;
+ }
+ dev_dbg(ale->params.dev, "port mask 0x%x untag 0x%x\n", vlan_members,
+ untag_mask);
+
+ return ret;
+}
+
+int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask)
+{
+ int ret = 0;
+ int vlan_members;
+
+ vlan_members = cpsw_ale_read_vlan_members(ale, vid);
+ vlan_members &= ~port_mask;
+
+ ret = cpsw_ale_del_vlan(ale, vid, vlan_members);
+ if (ret) {
+ dev_err(ale->params.dev, "Unable to del vlan\n");
+ return ret;
+ }
+ dev_dbg(ale->params.dev, "port mask 0x%x\n", port_mask);
+
+ return ret;
+}
+
+void cpsw_ale_set_unreg_mcast(struct cpsw_ale *ale, int unreg_mcast_mask,
+ bool add)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS];
+ int unreg_members = 0;
+ int type, idx;
+
+ for (idx = 0; idx < ale->params.ale_entries; idx++) {
+ cpsw_ale_read(ale, idx, ale_entry);
+ type = cpsw_ale_get_entry_type(ale_entry);
+ if (type != ALE_TYPE_VLAN)
+ continue;
+
+ unreg_members =
+ cpsw_ale_get_vlan_unreg_mcast(ale_entry,
+ ale->vlan_field_bits);
+ if (add)
+ unreg_members |= unreg_mcast_mask;
+ else
+ unreg_members &= ~unreg_mcast_mask;
+ cpsw_ale_set_vlan_unreg_mcast(ale_entry, unreg_members,
+ ale->vlan_field_bits);
+ cpsw_ale_write(ale, idx, ale_entry);
+ }
+}
+
void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti, int port)
{
u32 ale_entry[ALE_ENTRY_WORDS];
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
index 8a0d25950dc1..b5ac8cc7c677 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.h
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -116,4 +116,14 @@ int cpsw_ale_control_set(struct cpsw_ale *ale, int port,
int control, int value);
void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data);
+int cpsw_ale_vlan_add_modify(struct cpsw_ale *ale, u16 vid, int port_mask,
+ int untag_mask, int reg_mcast, int unreg_mcast);
+int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask);
+int cpsw_ale_mcast_add_modify(struct cpsw_ale *ale, u8 *addr, int port_mask,
+ int flags, u16 vid, int mcast_state);
+int cpsw_ale_mcast_del_modify(struct cpsw_ale *ale, u8 *addr, int port,
+ int flags, u16 vid);
+void cpsw_ale_set_unreg_mcast(struct cpsw_ale *ale, int unreg_mcast_mask,
+ bool add);
+
#endif
--
2.17.1
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