summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-15 15:04:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-15 15:04:25 -0700
commit9a76aba02a37718242d7cdc294f0a3901928aa57 (patch)
tree2040d038f85d2120f21af83b0793efd5af1864e3 /drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h
parent0a957467c5fd46142bc9c52758ffc552d4c5e2f7 (diff)
parent26a1ccc6c117be8e33e0410fce8c5298b0015b99 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: "Highlights: - Gustavo A. R. Silva keeps working on the implicit switch fallthru changes. - Support 802.11ax High-Efficiency wireless in cfg80211 et al, From Luca Coelho. - Re-enable ASPM in r8169, from Kai-Heng Feng. - Add virtual XFRM interfaces, which avoids all of the limitations of existing IPSEC tunnels. From Steffen Klassert. - Convert GRO over to use a hash table, so that when we have many flows active we don't traverse a long list during accumluation. - Many new self tests for routing, TC, tunnels, etc. Too many contributors to mention them all, but I'm really happy to keep seeing this stuff. - Hardware timestamping support for dpaa_eth/fsl-fman from Yangbo Lu. - Lots of cleanups and fixes in L2TP code from Guillaume Nault. - Add IPSEC offload support to netdevsim, from Shannon Nelson. - Add support for slotting with non-uniform distribution to netem packet scheduler, from Yousuk Seung. - Add UDP GSO support to mlx5e, from Boris Pismenny. - Support offloading of Team LAG in NFP, from John Hurley. - Allow to configure TX queue selection based upon RX queue, from Amritha Nambiar. - Support ethtool ring size configuration in aquantia, from Anton Mikaev. - Support DSCP and flowlabel per-transport in SCTP, from Xin Long. - Support list based batching and stack traversal of SKBs, this is very exciting work. From Edward Cree. - Busyloop optimizations in vhost_net, from Toshiaki Makita. - Introduce the ETF qdisc, which allows time based transmissions. IGB can offload this in hardware. From Vinicius Costa Gomes. - Add parameter support to devlink, from Moshe Shemesh. - Several multiplication and division optimizations for BPF JIT in nfp driver, from Jiong Wang. - Lots of prepatory work to make more of the packet scheduler layer lockless, when possible, from Vlad Buslov. - Add ACK filter and NAT awareness to sch_cake packet scheduler, from Toke Høiland-Jørgensen. - Support regions and region snapshots in devlink, from Alex Vesker. - Allow to attach XDP programs to both HW and SW at the same time on a given device, with initial support in nfp. From Jakub Kicinski. - Add TLS RX offload and support in mlx5, from Ilya Lesokhin. - Use PHYLIB in r8169 driver, from Heiner Kallweit. - All sorts of changes to support Spectrum 2 in mlxsw driver, from Ido Schimmel. - PTP support in mv88e6xxx DSA driver, from Andrew Lunn. - Make TCP_USER_TIMEOUT socket option more accurate, from Jon Maxwell. - Support for templates in packet scheduler classifier, from Jiri Pirko. - IPV6 support in RDS, from Ka-Cheong Poon. - Native tproxy support in nf_tables, from Máté Eckl. - Maintain IP fragment queue in an rbtree, but optimize properly for in-order frags. From Peter Oskolkov. - Improvde handling of ACKs on hole repairs, from Yuchung Cheng" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1996 commits) bpf: test: fix spelling mistake "REUSEEPORT" -> "REUSEPORT" hv/netvsc: Fix NULL dereference at single queue mode fallback net: filter: mark expected switch fall-through xen-netfront: fix warn message as irq device name has '/' cxgb4: Add new T5 PCI device ids 0x50af and 0x50b0 net: dsa: mv88e6xxx: missing unlock on error path rds: fix building with IPV6=m inet/connection_sock: prefer _THIS_IP_ to current_text_addr net: dsa: mv88e6xxx: bitwise vs logical bug net: sock_diag: Fix spectre v1 gadget in __sock_diag_cmd() ieee802154: hwsim: using right kind of iteration net: hns3: Add vlan filter setting by ethtool command -K net: hns3: Set tx ring' tc info when netdev is up net: hns3: Remove tx ring BD len register in hns3_enet net: hns3: Fix desc num set to default when setting channel net: hns3: Fix for phy link issue when using marvell phy driver net: hns3: Fix for information of phydev lost problem when down/up net: hns3: Fix for command format parsing error in hclge_is_all_function_id_zero net: hns3: Add support for serdes loopback selftest bnxt_en: take coredump_record structure off stack ...
Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h')
-rw-r--r--drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h75
1 files changed, 47 insertions, 28 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h
index 22fbbc4c8b28..e22f6c85d380 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h
@@ -1,22 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Header Parser definitions for Marvell PPv2 Network Controller
*
* Copyright (C) 2014 Marvell
*
* Marcin Wojtas <mw@semihalf.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
+#ifndef _MVPP2_PRS_H_
+#define _MVPP2_PRS_H_
+
#include <linux/kernel.h>
#include <linux/netdevice.h>
+#include <linux/platform_device.h>
#include "mvpp2.h"
-#ifndef _MVPP2_PRS_H_
-#define _MVPP2_PRS_H_
-
/* Parser constants */
#define MVPP2_PRS_TCAM_SRAM_SIZE 256
#define MVPP2_PRS_TCAM_WORDS 6
@@ -50,17 +48,25 @@
* The fields are represented by MVPP2_PRS_TCAM_DATA_REG(5)->(0).
*/
#define MVPP2_PRS_AI_BITS 8
+#define MVPP2_PRS_AI_MASK 0xff
#define MVPP2_PRS_PORT_MASK 0xff
#define MVPP2_PRS_LU_MASK 0xf
-#define MVPP2_PRS_TCAM_DATA_BYTE(offs) \
- (((offs) - ((offs) % 2)) * 2 + ((offs) % 2))
-#define MVPP2_PRS_TCAM_DATA_BYTE_EN(offs) \
- (((offs) * 2) - ((offs) % 2) + 2)
-#define MVPP2_PRS_TCAM_AI_BYTE 16
-#define MVPP2_PRS_TCAM_PORT_BYTE 17
-#define MVPP2_PRS_TCAM_LU_BYTE 20
-#define MVPP2_PRS_TCAM_EN_OFFS(offs) ((offs) + 2)
-#define MVPP2_PRS_TCAM_INV_WORD 5
+
+/* TCAM entries in registers are accessed using 16 data bits + 16 enable bits */
+#define MVPP2_PRS_BYTE_TO_WORD(byte) ((byte) / 2)
+#define MVPP2_PRS_BYTE_IN_WORD(byte) ((byte) % 2)
+
+#define MVPP2_PRS_TCAM_EN(data) ((data) << 16)
+#define MVPP2_PRS_TCAM_AI_WORD 4
+#define MVPP2_PRS_TCAM_AI(ai) (ai)
+#define MVPP2_PRS_TCAM_AI_EN(ai) MVPP2_PRS_TCAM_EN(MVPP2_PRS_TCAM_AI(ai))
+#define MVPP2_PRS_TCAM_PORT_WORD 4
+#define MVPP2_PRS_TCAM_PORT(p) ((p) << 8)
+#define MVPP2_PRS_TCAM_PORT_EN(p) MVPP2_PRS_TCAM_EN(MVPP2_PRS_TCAM_PORT(p))
+#define MVPP2_PRS_TCAM_LU_WORD 5
+#define MVPP2_PRS_TCAM_LU(lu) (lu)
+#define MVPP2_PRS_TCAM_LU_EN(lu) MVPP2_PRS_TCAM_EN(MVPP2_PRS_TCAM_LU(lu))
+#define MVPP2_PRS_TCAM_INV_WORD 5
#define MVPP2_PRS_VID_TCAM_BYTE 2
@@ -146,6 +152,7 @@
#define MVPP2_PRS_SRAM_RI_CTRL_BITS 32
#define MVPP2_PRS_SRAM_SHIFT_OFFS 64
#define MVPP2_PRS_SRAM_SHIFT_SIGN_BIT 72
+#define MVPP2_PRS_SRAM_SHIFT_MASK 0xff
#define MVPP2_PRS_SRAM_UDF_OFFS 73
#define MVPP2_PRS_SRAM_UDF_BITS 8
#define MVPP2_PRS_SRAM_UDF_MASK 0xff
@@ -214,6 +221,10 @@
#define MVPP2_PRS_RI_UDF7_IP6_LITE BIT(29)
#define MVPP2_PRS_RI_DROP_MASK 0x80000000
+#define MVPP2_PRS_IP_MASK (MVPP2_PRS_RI_L3_PROTO_MASK | \
+ MVPP2_PRS_RI_IP_FRAG_MASK | \
+ MVPP2_PRS_RI_L4_PROTO_MASK)
+
/* Sram additional info bits assignment */
#define MVPP2_PRS_IPV4_DIP_AI_BIT BIT(0)
#define MVPP2_PRS_IPV6_NO_EXT_AI_BIT BIT(0)
@@ -255,20 +266,15 @@ enum mvpp2_prs_lookup {
MVPP2_PRS_LU_LAST,
};
-union mvpp2_prs_tcam_entry {
- u32 word[MVPP2_PRS_TCAM_WORDS];
- u8 byte[MVPP2_PRS_TCAM_WORDS * 4];
-};
-
-union mvpp2_prs_sram_entry {
- u32 word[MVPP2_PRS_SRAM_WORDS];
- u8 byte[MVPP2_PRS_SRAM_WORDS * 4];
-};
-
struct mvpp2_prs_entry {
u32 index;
- union mvpp2_prs_tcam_entry tcam;
- union mvpp2_prs_sram_entry sram;
+ u32 tcam[MVPP2_PRS_TCAM_WORDS];
+ u32 sram[MVPP2_PRS_SRAM_WORDS];
+};
+
+struct mvpp2_prs_result_info {
+ u32 ri;
+ u32 ri_mask;
};
struct mvpp2_prs_shadow {
@@ -288,10 +294,21 @@ struct mvpp2_prs_shadow {
int mvpp2_prs_default_init(struct platform_device *pdev, struct mvpp2 *priv);
+int mvpp2_prs_init_from_hw(struct mvpp2 *priv, struct mvpp2_prs_entry *pe,
+ int tid);
+
+unsigned int mvpp2_prs_tcam_port_map_get(struct mvpp2_prs_entry *pe);
+
+void mvpp2_prs_tcam_data_byte_get(struct mvpp2_prs_entry *pe,
+ unsigned int offs, unsigned char *byte,
+ unsigned char *enable);
+
int mvpp2_prs_mac_da_accept(struct mvpp2_port *port, const u8 *da, bool add);
int mvpp2_prs_tag_mode_set(struct mvpp2 *priv, int port, int type);
+int mvpp2_prs_add_flow(struct mvpp2 *priv, int flow, u32 ri, u32 ri_mask);
+
int mvpp2_prs_def_flow(struct mvpp2_port *port);
void mvpp2_prs_vid_enable_filtering(struct mvpp2_port *port);
@@ -311,4 +328,6 @@ void mvpp2_prs_mac_del_all(struct mvpp2_port *port);
int mvpp2_prs_update_mac_da(struct net_device *dev, const u8 *da);
+int mvpp2_prs_hits(struct mvpp2 *priv, int index);
+
#endif