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Message-ID: <1359403945-28585-2-git-send-email-mugunthanvnm@ti.com>
Date: Tue, 29 Jan 2013 01:42:24 +0530
From: Mugunthan V N <mugunthanvnm@...com>
To: <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <linux-arm-kernel@...ts.infradead.org>,
<linux-omap@...r.kernel.org>, Mugunthan V N <mugunthanvnm@...com>
Subject: [PATCH 1/2] drivers: net: cpsw: Add helper functions for VLAN ALE implementation
Add helper functions for VLAN ALE implementations for Add, Delete
Dump VLAN related ALE entries
Signed-off-by: Mugunthan V N <mugunthanvnm@...com>
---
drivers/net/ethernet/ti/cpsw_ale.c | 172 ++++++++++++++++++++++++++++++++++--
drivers/net/ethernet/ti/cpsw_ale.h | 11 +++
2 files changed, 178 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 0e9ccc2..0d7a60a 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -148,7 +148,7 @@ static int cpsw_ale_write(struct cpsw_ale *ale, int idx, u32 *ale_entry)
return idx;
}
-static int cpsw_ale_match_addr(struct cpsw_ale *ale, u8 *addr)
+int cpsw_ale_match_addr(struct cpsw_ale *ale, u8 *addr, u16 vid)
{
u32 ale_entry[ALE_ENTRY_WORDS];
int type, idx;
@@ -160,6 +160,8 @@ static int cpsw_ale_match_addr(struct cpsw_ale *ale, u8 *addr)
type = cpsw_ale_get_entry_type(ale_entry);
if (type != ALE_TYPE_ADDR && type != ALE_TYPE_VLAN_ADDR)
continue;
+ if (cpsw_ale_get_vlan_id(ale_entry) != vid)
+ continue;
cpsw_ale_get_addr(ale_entry, entry_addr);
if (memcmp(entry_addr, addr, 6) == 0)
return idx;
@@ -167,6 +169,22 @@ static int cpsw_ale_match_addr(struct cpsw_ale *ale, u8 *addr)
return -ENOENT;
}
+int cpsw_ale_match_vlan(struct cpsw_ale *ale, u16 vid)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS];
+ 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;
+ if (cpsw_ale_get_vlan_id(ale_entry) == vid)
+ return idx;
+ }
+ return -ENOENT;
+}
+
static int cpsw_ale_match_free(struct cpsw_ale *ale)
{
u32 ale_entry[ALE_ENTRY_WORDS];
@@ -286,7 +304,7 @@ int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port, int flags)
cpsw_ale_set_blocked(ale_entry, (flags & ALE_BLOCKED) ? 1 : 0);
cpsw_ale_set_port_num(ale_entry, port);
- idx = cpsw_ale_match_addr(ale, addr);
+ idx = cpsw_ale_match_addr(ale, addr, 0);
if (idx < 0)
idx = cpsw_ale_match_free(ale);
if (idx < 0)
@@ -303,7 +321,7 @@ int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port)
u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
int idx;
- idx = cpsw_ale_match_addr(ale, addr);
+ idx = cpsw_ale_match_addr(ale, addr, 0);
if (idx < 0)
return -ENOENT;
@@ -318,7 +336,7 @@ int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
int idx, mask;
- idx = cpsw_ale_match_addr(ale, addr);
+ idx = cpsw_ale_match_addr(ale, addr, 0);
if (idx >= 0)
cpsw_ale_read(ale, idx, ale_entry);
@@ -347,7 +365,151 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask)
u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
int idx;
- idx = cpsw_ale_match_addr(ale, addr);
+ idx = cpsw_ale_match_addr(ale, addr, 0);
+ if (idx < 0)
+ return -EINVAL;
+
+ cpsw_ale_read(ale, idx, ale_entry);
+
+ if (port_mask)
+ cpsw_ale_set_port_mask(ale_entry, port_mask);
+ else
+ cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
+
+ cpsw_ale_write(ale, idx, ale_entry);
+ return 0;
+}
+
+int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
+ int reg_mcast, int unreg_mcast)
+{
+ 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);
+
+ cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_VLAN);
+ cpsw_ale_set_vlan_id(ale_entry, vid);
+
+ cpsw_ale_set_vlan_untag_force(ale_entry, untag);
+ cpsw_ale_set_vlan_reg_mcast(ale_entry, reg_mcast);
+ cpsw_ale_set_vlan_unreg_mcast(ale_entry, unreg_mcast);
+ cpsw_ale_set_vlan_member_list(ale_entry, port);
+
+ if (idx < 0)
+ idx = cpsw_ale_match_free(ale);
+ if (idx < 0)
+ idx = cpsw_ale_find_ageable(ale);
+ if (idx < 0)
+ return -ENOMEM;
+
+ cpsw_ale_write(ale, idx, ale_entry);
+ return 0;
+}
+
+int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx, mask;
+
+ idx = cpsw_ale_match_vlan(ale, vid);
+ if (idx < 0)
+ return -ENOENT;
+
+ cpsw_ale_read(ale, idx, ale_entry);
+
+ mask = cpsw_ale_get_vlan_member_list(ale_entry);
+ mask &= ~port;
+ if (!mask)
+ cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
+ else
+ cpsw_ale_set_vlan_member_list(ale_entry, mask);
+
+ cpsw_ale_write(ale, idx, ale_entry);
+ return 0;
+}
+
+int cpsw_ale_vlan_add_ucast(struct cpsw_ale *ale, u8 *addr, int port,
+ int flags, u16 vid)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx;
+
+ cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_VLAN_ADDR);
+ cpsw_ale_set_addr(ale_entry, addr);
+ cpsw_ale_set_ucast_type(ale_entry, ALE_UCAST_PERSISTANT);
+ cpsw_ale_set_secure(ale_entry, (flags & ALE_SECURE) ? 1 : 0);
+ cpsw_ale_set_blocked(ale_entry, (flags & ALE_BLOCKED) ? 1 : 0);
+ cpsw_ale_set_port_num(ale_entry, port);
+ cpsw_ale_set_vlan_id(ale_entry, vid);
+
+ idx = cpsw_ale_match_addr(ale, addr, vid);
+ if (idx < 0)
+ idx = cpsw_ale_match_free(ale);
+ if (idx < 0)
+ idx = cpsw_ale_find_ageable(ale);
+ if (idx < 0)
+ return -ENOMEM;
+
+ cpsw_ale_write(ale, idx, ale_entry);
+ return 0;
+}
+
+int cpsw_ale_vlan_del_ucast(struct cpsw_ale *ale, u8 *addr, int port, u16 vid)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx;
+
+ idx = cpsw_ale_match_addr(ale, addr, vid);
+ if (idx < 0)
+ return -ENOENT;
+
+ cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
+ cpsw_ale_write(ale, idx, ale_entry);
+ return 0;
+}
+
+int cpsw_ale_vlan_add_mcast(struct cpsw_ale *ale, u8 *addr,
+ int port_mask, u16 vid, int super, int mcast_state)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx, mask;
+
+ idx = cpsw_ale_match_addr(ale, addr, vid);
+ if (idx >= 0)
+ cpsw_ale_read(ale, idx, ale_entry);
+
+ cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_VLAN_ADDR);
+ cpsw_ale_set_addr(ale_entry, addr);
+ cpsw_ale_set_mcast_state(ale_entry, ALE_MCAST_FWD_2);
+ cpsw_ale_set_vlan_id(ale_entry, vid);
+ cpsw_ale_set_super(ale_entry, super);
+ cpsw_ale_set_mcast_state(ale_entry, mcast_state);
+
+ mask = cpsw_ale_get_port_mask(ale_entry);
+ port_mask |= mask;
+ cpsw_ale_set_port_mask(ale_entry, port_mask);
+
+ if (idx < 0)
+ idx = cpsw_ale_match_free(ale);
+ if (idx < 0)
+ idx = cpsw_ale_find_ageable(ale);
+ if (idx < 0)
+ return -ENOMEM;
+
+ cpsw_ale_write(ale, idx, ale_entry);
+ return 0;
+}
+
+int cpsw_ale_vlan_del_mcast(struct cpsw_ale *ale, u8 *addr,
+ int port_mask, u16 vid)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0};
+ int idx;
+
+ idx = cpsw_ale_match_addr(ale, addr, vid);
if (idx < 0)
return -EINVAL;
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
index 2bd09cb..fbb0f7e 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.h
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -86,6 +86,17 @@ int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port);
int cpsw_ale_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
int super, int mcast_state);
int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask);
+int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
+ int reg_mcast, int unreg_mcast);
+int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port);
+int cpsw_ale_vlan_add_ucast(struct cpsw_ale *ale, u8 *addr, int port,
+ int flags, u16 vid);
+int cpsw_ale_vlan_del_ucast(struct cpsw_ale *ale, u8 *addr, int port,
+ u16 vid);
+int cpsw_ale_vlan_add_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
+ u16 vid, int super, int mcast_state);
+int cpsw_ale_vlan_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask,
+ u16 vid);
int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control);
int cpsw_ale_control_set(struct cpsw_ale *ale, int port,
--
1.7.9.5
--
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