diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-25 20:02:57 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-25 20:02:57 -0800 |
commit | 386403a115f95997c2715691226e11a7b5cffcfd (patch) | |
tree | a685df70bd3d5b295683713818ddf0752c3d75b6 /drivers/net/ethernet/ti/cpsw_ale.c | |
parent | 642356cb5f4a8c82b5ca5ebac288c327d10df236 (diff) | |
parent | 622dc5ad8052f4f0c6b7a12787696a5caa3c6a58 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:
"Another merge window, another pull full of stuff:
1) Support alternative names for network devices, from Jiri Pirko.
2) Introduce per-netns netdev notifiers, also from Jiri Pirko.
3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara
Larsen.
4) Allow compiling out the TLS TOE code, from Jakub Kicinski.
5) Add several new tracepoints to the kTLS code, also from Jakub.
6) Support set channels ethtool callback in ena driver, from Sameeh
Jubran.
7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED,
SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long.
8) Add XDP support to mvneta driver, from Lorenzo Bianconi.
9) Lots of netfilter hw offload fixes, cleanups and enhancements,
from Pablo Neira Ayuso.
10) PTP support for aquantia chips, from Egor Pomozov.
11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From
Josh Hunt.
12) Add smart nagle to tipc, from Jon Maloy.
13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat
Duvvuru.
14) Add a flow mask cache to OVS, from Tonghao Zhang.
15) Add XDP support to ice driver, from Maciej Fijalkowski.
16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak.
17) Support UDP GSO offload in atlantic driver, from Igor Russkikh.
18) Support it in stmmac driver too, from Jose Abreu.
19) Support TIPC encryption and auth, from Tuong Lien.
20) Introduce BPF trampolines, from Alexei Starovoitov.
21) Make page_pool API more numa friendly, from Saeed Mahameed.
22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni.
23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy"
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits)
libbpf: Fix usage of u32 in userspace code
mm: Implement no-MMU variant of vmalloc_user_node_flags
slip: Fix use-after-free Read in slip_open
net: dsa: sja1105: fix sja1105_parse_rgmii_delays()
macvlan: schedule bc_work even if error
enetc: add support Credit Based Shaper(CBS) for hardware offload
net: phy: add helpers phy_(un)lock_mdio_bus
mdio_bus: don't use managed reset-controller
ax88179_178a: add ethtool_op_get_ts_info()
mlxsw: spectrum_router: Fix use of uninitialized adjacency index
mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels
bpf: Simplify __bpf_arch_text_poke poke type handling
bpf: Introduce BPF_TRACE_x helper for the tracing tests
bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT
bpf, testing: Add various tail call test cases
bpf, x86: Emit patchable direct jump as tail call
bpf: Constant map key tracking for prog array pokes
bpf: Add poke dependency tracking for prog array maps
bpf: Add initial poke descriptor table for jit images
bpf: Move owner type, jited info into array auxiliary data
...
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw_ale.c')
-rw-r--r-- | drivers/net/ethernet/ti/cpsw_ale.c | 150 |
1 files changed, 140 insertions, 10 deletions
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 84025dcc78d5..929f3d3354e3 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -5,6 +5,8 @@ * Copyright (C) 2012 Texas Instruments * */ +#include <linux/bitmap.h> +#include <linux/if_vlan.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -382,6 +384,7 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask, int flags, u16 vid) { u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0}; + int mcast_members; int idx; idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0); @@ -390,11 +393,15 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask, cpsw_ale_read(ale, idx, ale_entry); - if (port_mask) - cpsw_ale_set_port_mask(ale_entry, port_mask, + if (port_mask) { + mcast_members = cpsw_ale_get_port_mask(ale_entry, + ale->port_mask_bits); + mcast_members &= ~port_mask; + cpsw_ale_set_port_mask(ale_entry, mcast_members, ale->port_mask_bits); - else + } else { cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE); + } cpsw_ale_write(ale, idx, ale_entry); return 0; @@ -415,7 +422,18 @@ 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)); } -int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag, +static void cpsw_ale_set_vlan_untag(struct cpsw_ale *ale, u32 *ale_entry, + u16 vid, int untag_mask) +{ + cpsw_ale_set_vlan_untag_force(ale_entry, + untag_mask, ale->vlan_field_bits); + if (untag_mask & ALE_PORT_HOST) + bitmap_set(ale->p0_untag_vid_mask, vid, 1); + else + bitmap_clear(ale->p0_untag_vid_mask, vid, 1); +} + +int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port_mask, int untag, int reg_mcast, int unreg_mcast) { u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0}; @@ -427,8 +445,8 @@ int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag, cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_VLAN); cpsw_ale_set_vlan_id(ale_entry, vid); + cpsw_ale_set_vlan_untag(ale, ale_entry, vid, untag); - 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); @@ -437,7 +455,8 @@ int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag, } else { cpsw_ale_set_vlan_mcast(ale, ale_entry, reg_mcast, unreg_mcast); } - cpsw_ale_set_vlan_member_list(ale_entry, port, ale->vlan_field_bits); + cpsw_ale_set_vlan_member_list(ale_entry, port_mask, + ale->vlan_field_bits); if (idx < 0) idx = cpsw_ale_match_free(ale); @@ -450,6 +469,41 @@ int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag, return 0; } +static void cpsw_ale_del_vlan_modify(struct cpsw_ale *ale, u32 *ale_entry, + u16 vid, int port_mask) +{ + int reg_mcast, unreg_mcast; + int members, untag; + + members = cpsw_ale_get_vlan_member_list(ale_entry, + ale->vlan_field_bits); + members &= ~port_mask; + + untag = cpsw_ale_get_vlan_untag_force(ale_entry, + ale->vlan_field_bits); + reg_mcast = cpsw_ale_get_vlan_reg_mcast(ale_entry, + ale->vlan_field_bits); + unreg_mcast = cpsw_ale_get_vlan_unreg_mcast(ale_entry, + ale->vlan_field_bits); + untag &= members; + reg_mcast &= members; + unreg_mcast &= members; + + cpsw_ale_set_vlan_untag(ale, ale_entry, vid, untag); + + 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, members, + ale->vlan_field_bits); +} + int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask) { u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0}; @@ -461,16 +515,83 @@ int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask) cpsw_ale_read(ale, idx, ale_entry); - if (port_mask) - cpsw_ale_set_vlan_member_list(ale_entry, port_mask, - ale->vlan_field_bits); - else + if (port_mask) { + cpsw_ale_del_vlan_modify(ale, ale_entry, vid, port_mask); + } else { + cpsw_ale_set_vlan_untag(ale, ale_entry, vid, 0); 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) +{ + u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0}; + int reg_mcast_members, unreg_mcast_members; + int vlan_members, untag_members; + int idx, ret = 0; + + idx = cpsw_ale_match_vlan(ale, vid); + if (idx >= 0) + cpsw_ale_read(ale, idx, ale_entry); + + vlan_members = cpsw_ale_get_vlan_member_list(ale_entry, + ale->vlan_field_bits); + reg_mcast_members = cpsw_ale_get_vlan_reg_mcast(ale_entry, + ale->vlan_field_bits); + unreg_mcast_members = + cpsw_ale_get_vlan_unreg_mcast(ale_entry, + ale->vlan_field_bits); + untag_members = cpsw_ale_get_vlan_untag_force(ale_entry, + ale->vlan_field_bits); + + vlan_members |= port_mask; + untag_members = (untag_members & ~port_mask) | untag_mask; + reg_mcast_members = (reg_mcast_members & ~port_mask) | reg_mask; + unreg_mcast_members = (unreg_mcast_members & ~port_mask) | 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; +} + +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]; @@ -779,6 +900,7 @@ void cpsw_ale_start(struct cpsw_ale *ale) void cpsw_ale_stop(struct cpsw_ale *ale) { del_timer_sync(&ale->timer); + cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1); cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0); } @@ -791,6 +913,13 @@ struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params) if (!ale) return NULL; + ale->p0_untag_vid_mask = + devm_kmalloc_array(params->dev, BITS_TO_LONGS(VLAN_N_VID), + sizeof(unsigned long), + GFP_KERNEL); + if (!ale->p0_untag_vid_mask) + return ERR_PTR(-ENOMEM); + ale->params = *params; ale->ageout = ale->params.ale_ageout * HZ; @@ -862,6 +991,7 @@ struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params) ALE_UNKNOWNVLAN_FORCE_UNTAG_EGRESS; } + cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1); return ale; } |