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Date: Mon, 17 Aug 2015 01:02:33 -0700 From: Scott Feldman <sfeldma@...il.com> To: Jiri Pirko <jiri@...nulli.us> Cc: Netdev <netdev@...r.kernel.org> Subject: Re: [PATCH net-next v2] rocker: add debugfs support to dump internal tables On Sun, Aug 16, 2015 at 11:36 PM, Jiri Pirko <jiri@...nulli.us> wrote: > Mon, Aug 17, 2015 at 05:32:06AM CEST, sfeldma@...il.com wrote: >>From: Scott Feldman <sfeldma@...il.com> >> >>> tree /sys/kernel/debug/rocker >>/sys/kernel/debug/rocker >>└── 5254001235010000 >> ├── fdb_tbl >> ├── internal_vlan_tbl >> ├── neigh_tbl >> ├── of_dpa_flow_tbl >> └── of_dpa_group_tbl >> >>1 directory, 5 files >> >>> cat /sys/kernel/debug/rocker/5254001235010000/internal_vlan_tbl >>ifindex 5 ref_count 1 vlan 3843 >>ifindex 7 ref_count 2 vlan 3840 >>ifindex 4 ref_count 1 vlan 3842 >> >>> cat /sys/kernel/debug/rocker/5254001235010000/fdb_tbl >>learned 1 pport 1 addr 00:02:00:00:02:00 vlan 3840 >>learned 1 pport 2 addr 00:02:00:00:03:00 vlan 3840 >> >>> cat /sys/kernel/debug/rocker/5254001235010000/neigh_tbl >>11.0.0.9 dev sw1p2 ref_count 3 index 1 dst 00:02:00:00:01:00 ttl_check 1 >>11.0.0.1 dev sw1p1 ref_count 3 index 0 dst 00:02:00:00:00:00 ttl_check 1 >> >>> cat /sys/kernel/debug/rocker/5254001235010000/of_dpa_flow_tbl >>cmd 3 cookie 15 priority 3 tbl acl in_pport 2 01:80:c2:00:00:00/ff:ff:ff:ff:ff:f0 eth_type 0x0000 vlan_id 3841 ip proto 0/0 ip tos 0/0 group_id 0x0f010000 >>cmd 3 cookie 2 priority 0 tbl term_mac in_pport 1 eth_type 0x0800 52:54:00:12:35:01 vlan_id 3840 goto_tbl ucast_routing copy_to_cpu 0 >>cmd 3 cookie 1f priority 3 tbl bridge 00:02:00:00:00:00 vlan_id 3840 tunnel_id 0 goto_tbl acl group_id 0x00000000 copy_to_cpu 0 >>cmd 3 cookie 4 priority 1 tbl vlan in_pport 2 vlan_id 0 goto_tbl term_mac untagged 1 new_vlan_id 3841 >>cmd 3 cookie 20 priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.1 goto_tbl acl group_id 0x20000000 >>cmd 3 cookie 21 priority 3 tbl bridge 00:02:00:00:01:00 vlan_id 3841 tunnel_id 0 goto_tbl acl group_id 0x00000000 copy_to_cpu 0 >>cmd 3 cookie 16 priority 2 tbl acl in_pport 2 eth_type 0x0806 vlan_id 3841 ip proto 0/0 ip tos 0/0 group_id 0x0f010000 >>cmd 3 cookie 12 priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.0 goto_tbl acl group_id 0x0f000000 >>cmd 3 cookie 9 priority 3 tbl acl in_pport 1 01:80:c2:00:00:00/ff:ff:ff:ff:ff:f0 eth_type 0x0000 vlan_id 3840 ip proto 0/0 ip tos 0/0 group_id 0x0f000000 >>cmd 3 cookie 6 priority 0 tbl term_mac in_pport 2 eth_type 0x86dd 52:54:00:12:35:02 vlan_id 3841 goto_tbl ucast_routing copy_to_cpu 0 >>cmd 4 cookie 0 priority 1 tbl ig_port in_pport 0/0xffff0000 goto_tbl vlan >>cmd 4 cookie e priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.3 goto_tbl acl group_id 0x0f000000 >>cmd 3 cookie 1 priority 1 tbl vlan in_pport 1 vlan_id 0 goto_tbl term_mac untagged 1 new_vlan_id 3840 >>cmd 3 cookie 24 priority 20 tbl ucast_routing eth_type 0x0800 11.0.0.4/255.255.255.252 goto_tbl acl group_id 0x20000000 >>cmd 4 cookie 14 priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.10 goto_tbl acl group_id 0x0f010000 >>cmd 3 cookie 2c priority 20 tbl ucast_routing eth_type 0x0800 12.0.0.4 goto_tbl acl group_id 0x20000001 >>cmd 3 cookie 17 priority 1 tbl term_mac in_pport 2 eth_type 0x0800 01:00:5e:00:00:00/ff:ff:ff:80:00:00 vlan_id 3841 goto_tbl mcast_routing copy_to_cpu 1 >>cmd 3 cookie 26 priority 20 tbl ucast_routing eth_type 0x0800 12.0.0.3 goto_tbl acl group_id 0x20000000 >>cmd 3 cookie 2e priority 30 tbl ucast_routing eth_type 0x0800 12.0.0.2 goto_tbl acl group_id 0x0f010000 >>cmd 3 cookie 22 priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.9 goto_tbl acl group_id 0x20000001 >>cmd 3 cookie 1c priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.8/255.255.255.252 goto_tbl acl group_id 0x0f010000 >>cmd 3 cookie 18 priority 1 tbl term_mac in_pport 2 eth_type 0x86dd 33:33:00:00:00:00/ff:ff:00:00:00:00 vlan_id 3841 goto_tbl mcast_routing copy_to_cpu 1 >>cmd 3 cookie 5 priority 0 tbl term_mac in_pport 2 eth_type 0x0800 52:54:00:12:35:02 vlan_id 3841 goto_tbl ucast_routing copy_to_cpu 0 >>cmd 3 cookie a priority 2 tbl acl in_pport 1 eth_type 0x0806 vlan_id 3840 ip proto 0/0 ip tos 0/0 group_id 0x0f000000 >>cmd 4 cookie 1a priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.11 goto_tbl acl group_id 0x0f010000 >>cmd 3 cookie 1e priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.8 goto_tbl acl group_id 0x0f010000 >>cmd 3 cookie 3 priority 0 tbl term_mac in_pport 1 eth_type 0x86dd 52:54:00:12:35:01 vlan_id 3840 goto_tbl ucast_routing copy_to_cpu 0 >>cmd 3 cookie b priority 1 tbl term_mac in_pport 1 eth_type 0x0800 01:00:5e:00:00:00/ff:ff:ff:80:00:00 vlan_id 3840 goto_tbl mcast_routing copy_to_cpu 1 >>cmd 4 cookie 8 priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.2 goto_tbl acl group_id 0x0f000000 >>cmd 3 cookie 10 priority 0 tbl ucast_routing eth_type 0x0800 11.0.0.0/255.255.255.252 goto_tbl acl group_id 0x0f000000 >>cmd 3 cookie 28 priority 20 tbl ucast_routing eth_type 0x0800 11.0.0.12/255.255.255.252 goto_tbl acl group_id 0x20000001 >>cmd 3 cookie c priority 1 tbl term_mac in_pport 1 eth_type 0x86dd 33:33:00:00:00:00/ff:ff:00:00:00:00 vlan_id 3840 goto_tbl mcast_routing copy_to_cpu 1 >> >>> cat /sys/kernel/debug/rocker/5254001235010000/of_dpa_group_tbl >>cmd 7 group_id 0x0f000000 (L2 interface vlan 3840 port 0) pop_vlan 1 >>cmd 7 group_id 0x0f010000 (L2 interface vlan 3841 port 0) pop_vlan 1 >>cmd 7 group_id 0x20000000 (L3 unicast index 0) src 52:54:00:12:35:01 dst 00:02:00:00:00:00 vlan 3840 ttl_check 1 group_id 0x0f000001 >>cmd 7 group_id 0x0f010002 (L2 interface vlan 3841 port 2) pop_vlan 1 >>cmd 7 group_id 0x0f000001 (L2 interface vlan 3840 port 1) pop_vlan 1 >>cmd 8 group_id 0x20000001 (L3 unicast index 1) src 52:54:00:12:35:02 dst 00:02:00:00:01:00 vlan 3841 ttl_check 1 group_id 0x0f010002 >> >>Signed-off-by: Scott Feldman <sfeldma@...il.com> >>--- >>v2: wrap feature with CONFIG_ROCKER_DEBUGFS to allow config-time >> enable/disable >> >> drivers/net/ethernet/rocker/Kconfig | 8 + >> drivers/net/ethernet/rocker/rocker.c | 397 ++++++++++++++++++++++++++++++++++ >> drivers/net/ethernet/rocker/rocker.h | 2 +- >> 3 files changed, 406 insertions(+), 1 deletion(-) >> >>diff --git a/drivers/net/ethernet/rocker/Kconfig b/drivers/net/ethernet/rocker/Kconfig >>index b9952ef..8fcbcff 100644 >>--- a/drivers/net/ethernet/rocker/Kconfig >>+++ b/drivers/net/ethernet/rocker/Kconfig >>@@ -24,4 +24,12 @@ config ROCKER >> To compile this driver as a module, choose M here: the >> module will be called rocker. >> >>+config ROCKER_DEBUGFS >>+ bool "Enable debugfs for rocker" >>+ depends on ROCKER >>+ depends on DEBUG_FS > > Is this necessary? Why don't just ignore retvals of debugfs_create_dir > and such functions? Hmmm....good point, looks unnecessary. I'll revert back to v1 and confirm everything is OK with CONFIG_DEBUG_FS=n. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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